% Proof 1 at 4.05 (+ 0.03) seconds.

% Length of proof is 228.

% Level of proof is 31.

% Maximum clause weight is 25.000.

% Given clauses 464.

 

1 R(x * y,C,A) = R(x,C,A) * R(y,C,A) # label(non_clause) # label(goal).  [goal].

2 0 * x = x.  [assumption].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 C * ((x * y) * C) = (C * x) * (y * C).  [assumption].

15 (C * x) * (y * C) = C * ((x * y) * C).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 R(x,y,z) = ((x * y) * z) / (y * z).  [assumption].

18 ((x * y) * z) / (y * z) = R(x,y,z).  [copy(17),flip(a)].

19 R(c1 * c2,C,A) != R(c1,C,A) * R(c2,C,A).  [deny(1)].

20 R(c1,C,A) * R(c2,C,A) != R(c1 * c2,C,A).  [copy(19),flip(a)].

21 (C * x) * (y * C) = C * (C * (x * y)).  [back_rewrite(15),rewrite([16(9,R)])].

24 x / x = 0.  [para(2(a,1),6(a,1,1))].

25 x / 0 = x.  [para(3(a,1),6(a,1,1))].

30 0 / x = x'.  [para(8(a,1),6(a,1,1))].

32 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([30(3)])].

33 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

34 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

36 x * (x' * y) = y.  [back_rewrite(4),rewrite([33(1)])].

37 (x * (x * y)) / y = x * x.  [para(12(a,1),6(a,1,1))].

41 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

42 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

53 C * (x / C) = x.  [para(16(a,2),7(a,1))].

54 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

56 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

57 C * (x * x) = x * (x * C).  [para(16(a,2),12(a,1))].

60 C * (x * (C * y)) = C * (x * (y * C)).  [para(16(a,1),13(a,2,2,2)),rewrite([13(5)])].

61 (C * (C * x)) * y = C * (x * (C * y)).  [para(16(a,2),13(a,1,1,2))].

64 R(0,x,y) = 0.  [para(2(a,1),18(a,1,1,1)),rewrite([24(3)]),flip(a)].

67 R(x,y,z) * (y * z) = (x * y) * z.  [para(18(a,1),7(a,1,1))].

68 R(x / y,y,z) = (x * z) / (y * z).  [para(7(a,1),18(a,1,1,1)),flip(a)].

69 ((x * (y / z)) * z) / y = R(x,y / z,z).  [para(7(a,1),18(a,1,2))].

71 (x * y') * y = R(x,y',y).  [para(8(a,1),18(a,1,2)),rewrite([25(5)])].

74 (x * y) * y' = R(x,y,y').  [para(9(a,1),18(a,1,2)),rewrite([25(5)])].

75 R(x',x * y,z) = (y * z) / ((x * y) * z).  [para(10(a,1),18(a,1,1,1)),flip(a)].

87 (C * (x * y)) / (C * y) = R(x,y,C).  [para(16(a,2),18(a,1,2)),rewrite([16(3,R)])].

90 C * (C * (x * C')) = C * x.  [para(8(a,1),21(a,1,2)),rewrite([3(4)]),flip(a)].

99 (x * C) * (y * C) = C * (C * (x * y)).  [para(16(a,1),21(a,1,1))].

100 (C * x) * (C * y) = C * (C * (x * y)).  [para(16(a,2),21(a,1,2))].

106 x / C = C' * x.  [para(53(a,1),10(a,1,2)),flip(a)].

110 C * (C * ((C' * x) * y)) = x * (y * C).  [para(53(a,1),21(a,1,1)),rewrite([106(7)]),flip(a)].

112 x' * C = C * x'.  [para(16(a,2),33(a,2)),rewrite([33(2)])].

113 (x / y)' = y / x.  [para(7(a,1),34(a,1,2)),flip(a)].

115 x / (y * (z * (y * x))) = (y * (z * y))'.  [para(13(a,1),34(a,1,2))].

117 C / (C * x) = x'.  [para(16(a,2),34(a,1,2))].

129 C * (x * (C' * x)) = x * x.  [para(54(a,1),13(a,2,2)),rewrite([16(6,R)])].

132 ((x * C') * (y * C)) / y = R(x,C',y * C).  [para(54(a,1),18(a,1,2))].

139 (x * y) / ((z * x) * y) = R(z,x,y)'.  [para(18(a,1),113(a,1,1)),flip(a)].

141 (C' * x)' = C / x.  [para(106(a,1),113(a,1,1))].

143 R(x',x * y,z) = R(x,y,z)'.  [back_rewrite(75),rewrite([139(7)])].

169 (x * y) / (x' * y) = x * x.  [para(36(a,1),37(a,1,1,2))].

182 (C * (C * (x * y))) / (C * (C * y)) = R(x,C,y * C).  [para(56(a,2),18(a,1,2)),rewrite([99(5)])].

189 (C * x)' = (x * C)'.  [para(56(a,1),117(a,1,2)),rewrite([117(6)]),flip(a)].

200 (C * x) * ((x * C)' * y) = y.  [para(189(a,1),36(a,1,2,1))].

207 C * ((C' * x) * (C' * x)) = (C' * x) * x.  [para(7(a,1),57(a,2,2)),rewrite([106(3),106(6),106(11)])].

271 C * (x * C') = R(x,C',C).  [para(71(a,1),16(a,2))].

272 (x' * C) * x = R(C,x',x).  [para(16(a,1),71(a,1,1))].

275 C * (C * (x * (y * C'))) = (C * x) * R(y,C',C).  [para(71(a,1),21(a,1,2)),flip(a)].

278 C' * R(x,C',C) = x * C'.  [para(71(a,1),54(a,1,2))].

288 C * R(x,C',C) = C * x.  [back_rewrite(90),rewrite([271(6)])].

290 R(x,C',C) = x.  [para(288(a,1),10(a,1,2)),rewrite([10(5)]),flip(a)].

292 C' * x = x * C'.  [back_rewrite(278),rewrite([290(6)])].

293 C * (C * (x * (y * C'))) = (C * x) * y.  [back_rewrite(275),rewrite([290(14)])].

298 x' * (C' * x) = C'.  [para(292(a,2),10(a,1,2))].

304 (C' * (C' * x)) * y = C' * (x * (C' * y)).  [para(292(a,2),13(a,1,1,2))].

314 x * (C' * x') = C'.  [para(292(a,2),36(a,1,2))].

315 (x * C')' = C / x.  [para(292(a,1),141(a,1,1))].

329 (C * x)' * x = C'.  [para(10(a,1),298(a,1,2))].

333 R(C,x',x) = C.  [para(298(a,1),21(a,2,2,2)),rewrite([16(8,R),36(8),71(4),9(8),3(6)])].

340 (x' * C) * x = C.  [back_rewrite(272),rewrite([333(7)])].

341 R(C,x,x') = C.  [para(32(a,1),333(a,1,2))].

351 (C * x)' = C' / x.  [para(329(a,1),6(a,1,1)),flip(a)].

374 (x * C)' = C' / x.  [back_rewrite(189),rewrite([351(3)]),flip(a)].

380 (C * x) * ((C' / x) * y) = y.  [back_rewrite(200),rewrite([374(5)])].

387 x / C' = C * x.  [para(351(a,1),32(a,1,1)),rewrite([113(4)])].

408 (x * C) * x' = C.  [para(16(a,1),74(a,1,1)),rewrite([341(7)])].

429 C / x' = x * C.  [para(408(a,1),6(a,1,1))].

438 C' / x = C' * x'.  [para(408(a,1),34(a,1,2)),rewrite([106(3),374(7)]),flip(a)].

459 (C * x) * ((C' * x') * y) = y.  [back_rewrite(380),rewrite([438(5)])].

478 (C * x)' = C' * x'.  [back_rewrite(351),rewrite([438(6)])].

485 C / x = x' * C.  [para(32(a,1),429(a,1,2))].

503 (x * C')' = x' * C.  [back_rewrite(315),rewrite([485(6)])].

511 (C' * x)' = x' * C.  [back_rewrite(141),rewrite([485(6)])].

523 (C * x) * x = C * (x * x).  [para(129(a,1),21(a,2,2)),rewrite([16(7,R),36(7)])].

541 (C' * x) * x = x * (C' * x).  [para(36(a,1),523(a,1,1)),rewrite([207(13)]),flip(a)].

551 (x * x)' = x' * x'.  [para(8(a,1),169(a,1,1)),rewrite([32(3),30(3)])].

676 (C * x) * y = (x * C) * y.  [para(36(a,1),459(a,1,2)),rewrite([511(8),32(5)])].

694 ((x * (y * C)) * z) / ((C * y) * z) = R(x,y * C,z).  [para(676(a,2),18(a,1,2))].

724 (C' * x) * (C' * x) = C' * (x * (C' * x)).  [para(541(a,1),169(a,1,1)),rewrite([511(8),340(8),106(6)]),flip(a)].

759 R(x,y,z)' * ((x * y) * z) = y * z.  [para(67(a,1),10(a,1,2))].

765 R(x,y,C) * (C * y) = C * (x * y).  [para(16(a,2),67(a,1,2)),rewrite([16(8,R)])].

787 (C' * x) * y = (x * C') * y.  [para(292(a,1),67(a,2,1)),rewrite([67(5)])].

815 (C' * (x * (C' * x))) * y = (C' * x) * ((x * C') * y).  [para(787(a,1),12(a,2,2)),rewrite([724(7)])].

871 (x * y) / (C * y) = R(C' * x,C,y).  [para(106(a,1),68(a,1,1)),flip(a)].

899 (x * y) / (C' * y) = R(C * x,C',y).  [para(387(a,1),68(a,1,1)),flip(a)].

949 (C * (x * (C' * y))) / y = R(x,C' * y,C).  [para(36(a,1),87(a,1,2))].

962 R(x,C' * C',C) = x.  [para(314(a,1),87(a,1,2)),rewrite([387(11),293(10),292(5,R),10(5)]),flip(a)].

975 C * (x * (C' * C')) = x * C'.  [para(962(a,1),67(a,1,1)),rewrite([16(7,R),36(7),16(11,R)]),flip(a)].

1001 R(R(x,y,C),C * y,C) = R(x,C,y * C).  [para(765(a,1),87(a,1,1,2)),rewrite([182(10)]),flip(a)].

1009 C * (C * ((x * (C' * C')) * y)) = (x * C') * (y * C).  [para(975(a,1),21(a,1,1)),flip(a)].

1018 R(C,x * (C' * C'),y)' = R(C',x * C',y).  [para(975(a,1),143(a,1,2)),flip(a)].

1031 x * ((x * y)' * x) = x / y.  [para(8(a,1),41(a,1,1,2)),rewrite([3(2)]),flip(a)].

1032 (x * y) / x' = x * (y * x).  [para(9(a,1),41(a,1,1,2,2)),rewrite([3(2)])].

1119 x' / (x * y) = x' * (y' * x').  [para(10(a,1),1031(a,1,2,1,1)),flip(a)].

1152 (x * (y * x))' = x' * (y' * x').  [para(1032(a,1),113(a,1,1)),rewrite([1119(6)])].

1195 x / (y * (z * (y * x))) = y' * (z' * y').  [back_rewrite(115),rewrite([1152(7)])].

1235 (x * y) * x' = x * (y / x).  [para(9(a,1),42(a,1,2,2)),rewrite([3(3)]),flip(a)].

1236 (x / y) * (y * z) = y' * ((y * x) * z).  [para(42(a,1),10(a,1,2)),flip(a)].

1237 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(10(a,1),42(a,1,2,2)),flip(a)].

1245 C * ((C * x) * y) = x * (C * (C * y)).  [para(42(a,1),21(a,2,2)),rewrite([106(3),36(5),16(4,R)]),flip(a)].

1248 (x * y) * (x' * z) = x * ((y / x) * z).  [para(36(a,1),42(a,1,2,2)),flip(a)].

1333 (C * x) * R(y,x,C) = C * (x * y).  [para(87(a,1),1235(a,2,2)),rewrite([100(6),478(9),1248(11),106(7),10(8),1235(5),6(3)]),flip(a)].

1356 C' * ((C * x') * (x * y)) = R(y,x,C).  [para(1333(a,1),10(a,1,2)),rewrite([478(3),1237(8),387(6)])].

1440 x * (C * y) = x * (y * C).  [para(60(a,1),10(a,1,2)),rewrite([10(8)]),flip(a)].

1494 C * (x * C) = x * (C * C).  [para(60(a,2),41(a,1,1)),rewrite([106(8),10(9)]),flip(a)].

1512 R(x,C * y,z) = R(x,y * C,z).  [para(1440(a,1),18(a,1,1,1)),rewrite([694(8)]),flip(a)].

1526 (x * C) * (C * y) = C * (C * (x * y)).  [para(1440(a,1),676(a,1)),rewrite([21(5)]),flip(a)].

1532 (x * C') * (y * C) = C' * ((C * x) * y).  [para(1440(a,1),787(a,2)),rewrite([1237(6),387(5)]),flip(a)].

1551 C * (C * ((x * (C' * C')) * y)) = C' * ((C * x) * y).  [back_rewrite(1009),rewrite([1532(17)])].

1553 (C' * ((C * x) * y)) / y = R(x,C',y * C).  [back_rewrite(132),rewrite([1532(6)])].

1648 C * (C * x) = x * (C * C).  [para(61(a,1),54(a,1,2)),rewrite([10(9)]),flip(a)].

1699 (C * (C * (x * y))) / (y * (C * C)) = R(x,C,C * y).  [para(1648(a,1),18(a,1,2)),rewrite([1526(5)])].

1701 R(x,C,C * y) = R(x,y,C * C).  [para(1648(a,2),18(a,1,1)),rewrite([1699(10)])].

1702 R(x,C,y * C) = R(x,y,C * C).  [para(1648(a,2),18(a,1,2)),rewrite([1494(5,R),16(4,R),182(10)])].

1720 (x * (C * C)) * y = C * (x * (C * y)).  [para(1648(a,1),676(a,1,1)),rewrite([16(9,R),61(10)])].

1772 R(x,C * y,C * C) = R(x,C,C * (y * C)).  [para(1440(a,1),1701(a,1,3)),flip(a)].

2226 (x * (C' * C')) * y = C' * (x * (C' * y)).  [para(975(a,1),759(a,1,2,1)),rewrite([1018(9),67(11),13(7)]),flip(a)].

2266 C' * ((C * x) * y) = C * (x * (C' * y)).  [back_rewrite(1551),rewrite([2226(9),36(10)]),flip(a)].

2277 R(x,C' * y,C) = R(x,C',y * C).  [back_rewrite(1553),rewrite([2266(6),949(7)])].

2283 C * (x' * (C' * (x * y))) = R(y,x,C).  [back_rewrite(1356),rewrite([2266(8)])].

2325 (C * (x * y)) / (C * (C * y)) = R(C' * R(x,y,C),C,C * y).  [para(765(a,1),871(a,1,1))].

2436 R(C' * R(C * x,y,C),C,C * y) = x.  [para(1245(a,2),6(a,1,1)),rewrite([2325(10)])].

2438 C' * (x * (C * (C * y))) = (C * x) * y.  [para(1245(a,1),10(a,1,2))].

2476 C * (x * (x * y)) = x * ((C * x) * y).  [para(129(a,1),1245(a,1,2,1)),rewrite([12(3),13(13),2438(12)])].

2640 (x * (C * C))' = C' * (x' * C').  [para(1720(a,1),34(a,1,2)),rewrite([1195(6)]),flip(a)].

2724 R(x,C',C * (C * y)) = R(x,y,C).  [para(10(a,1),2277(a,1,2)),rewrite([16(8,R)]),flip(a)].

2728 R(x,y * C',C) = R(x,C',y * C).  [para(292(a,1),2277(a,1,2))].

2904 C * ((C' * x) * ((x * C') * y)) = (C' * x) * (x * y).  [para(787(a,1),2476(a,1,2,2)),rewrite([36(18)])].

3125 (C' * (x * (C * y))) / y = R(x,C * y,C').  [para(292(a,2),69(a,1,1)),rewrite([387(5),387(10)])].

3150 C' * (x * (y * C)) = C * ((C' * x) * y).  [para(110(a,1),10(a,1,2))].

3366 R(C * x,C',C * y) = (x * (C * y)) / y.  [para(10(a,1),899(a,1,2)),flip(a)].

3392 R(C * R(x,y,C),C',C * y) = (C * (x * y)) / y.  [para(765(a,1),899(a,1,1)),rewrite([10(8)]),flip(a)].

3399 R(C * x,C',y * C) = (x * (C * y)) / y.  [para(1440(a,2),899(a,1,1)),rewrite([54(8)]),flip(a)].

3416 R(R(x,C',y * C),y,C) = R(x,C,y).  [para(7(a,1),1001(a,2,3)),rewrite([106(2),2277(5),106(8),36(10)])].

3427 R(R(x,y * C,C),C * (C * y),C) = R(x,C,C * (y * C)).  [para(1440(a,2),1001(a,1,2)),rewrite([16(15,R)])].

3428 R(R(x,C * y,C),y * (C * C),C) = R(x,C,C * (C * y)).  [para(1648(a,1),1001(a,1,2)),rewrite([16(15,R)])].

3437 R(R(x,C,y * C),C * (C * y),C) = R(R(x,y,C),C,C * (C * y)).  [para(1001(a,1),1001(a,1,1)),rewrite([16(17,R)])].

3614 C' * ((x * C) * y) = C * (x * (C' * y)).  [para(16(a,1),1236(a,2,2,1)),rewrite([106(2),1237(6),387(5),2266(6)]),flip(a)].

3630 (C' * x') * (x * y) = x' * ((C' * x) * y).  [para(292(a,2),1236(a,2,2,1)),rewrite([438(3)])].

3655 R(x,y,C) * ((C * y) * z) = R(x * (y * (C * z)),y,C).  [para(87(a,1),1236(a,1,1)),rewrite([478(9),100(16),61(17),13(16),1237(18),387(12),

2266(18),2283(18)])].

3756 (x * C) * (C' * y) = C * ((C' * x) * y).  [para(16(a,1),1248(a,1,1)),rewrite([106(9)])].

3764 (C * x') * (x * y) = x' * ((x * C) * y).  [para(112(a,1),1248(a,1,1)),rewrite([32(5),485(9),32(8)])].

3775 (C' * x) * (x * y) = x * (x * (C' * y)).  [para(129(a,1),1248(a,1,1)),rewrite([12(5),106(12),815(14),2904(15)]),flip(a)].

3895 x' * (C' * (x * y)) = C' * R(y,x,C).  [para(2283(a,1),10(a,1,2)),flip(a)].

3897 C * (x' * (C' * R(x * y,x,C))) = R(y,x * x,C).  [para(12(a,1),2283(a,1,2,2,2)),rewrite([551(3),12(10),3895(9)])].

3900 x' * ((x * C) * y) = C * R(y,x,C).  [para(2283(a,1),21(a,2,2)),rewrite([16(9,R),36(9),3764(5)])].

3902 C * (x * (C' * (x' * y))) = R(y,x',C).  [para(32(a,1),2283(a,1,2,1))].

3916 x' * (C * ((C' * x) * y)) = R(y,C * x,C).  [para(676(a,1),2283(a,1,2,2,2)),rewrite([478(4),3614(11),1237(12),387(7),3764(11),3756(10),36

(13)])].

3920 R(x,C * y,C) = R(x,C',y * C).  [para(787(a,2),2283(a,1,2,2,2)),rewrite([503(5),3756(12),110(13),16(7,R),3916(8),2728(9)])].

3928 C * (x' * ((C' * x) * y)) = R(R(y,x,C),C',x * C).  [para(1333(a,1),2283(a,1,2,2,2)),rewrite([478(4),10(11),3630(7),3920(14)])].

3930 C * R(x,C',y * C) = R(C * x,y,C).  [para(1440(a,1),2283(a,1,2,2,2)),rewrite([3150(8),3916(9),3920(5)])].

3932 R(x,y * C,C) = R(x,C',y * C).  [para(1512(a,1),2283(a,2)),rewrite([478(4),2266(11),1237(12),387(7),3764(11),3756(10),3916(11),3920(7),36

(10)]),flip(a)].

3933 C' * R(C * x,y,C) = R(x,y,C).  [para(61(a,1),2283(a,1,2,2,2)),rewrite([478(6),478(6),10(16),304(12),3895(11),36(12),3920(13),16(13,R),27

24(14)])].

3937 R(C * x,C',y * C) = C * R(x,y,C).  [para(100(a,1),2283(a,1,2,2,2)),rewrite([478(4),10(13),1237(9),387(7),3764(8),3900(8),10(8),3920(10)]

),flip(a)].

3945 R(x,y * (C * C),C) = R(x,y,C).  [para(1720(a,1),2283(a,1,2,2,2)),rewrite([2640(6),10(16),13(12),3895(11),3933(10),36(7)]),flip(a)].

3952 R(R(x,y,C),C',y * C) = R(x,C,y * C).  [para(1001(a,1),2283(a,2)),rewrite([478(4),1333(12),10(11),3630(7),3928(8)])].

3969 R(R(x,y,C),C,C * (C * y)) = R(R(x,C,y * C),y,C).  [back_rewrite(3437),rewrite([3920(10),16(10,R),2724(11)]),flip(a)].

3972 R(x,C,C * (C * y)) = R(x,C,y).  [back_rewrite(3428),rewrite([3920(4),3945(11),3416(7)]),flip(a)].

3973 R(x,C,C * (y * C)) = R(x,C,y).  [back_rewrite(3427),rewrite([3932(4),3920(11),16(11,R),2724(12),3416(7)]),flip(a)].

4004 R(R(x,y,C),C,C * y) = x.  [back_rewrite(2436),rewrite([3933(7)])].

4006 (x * (C * y)) / y = C * R(x,y,C).  [back_rewrite(3399),rewrite([3937(7)]),flip(a)].

4015 C * (x' * ((C' * x) * y)) = R(y,C,x * C).  [back_rewrite(3928),rewrite([3952(15)])].

4019 R(R(x,C,y * C),y,C) = R(R(x,y,C),C,y).  [back_rewrite(3969),rewrite([3972(8)]),flip(a)].

4030 R(x,C * y,C * C) = R(x,C,y).  [back_rewrite(1772),rewrite([3973(12)])].

4042 R(C * x,C',C * y) = C * R(x,y,C).  [back_rewrite(3366),rewrite([4006(11)])].

4052 C * R(R(x,y,C),y,C) = (C * (x * y)) / y.  [back_rewrite(3392),rewrite([4042(9)])].

4082 R(R(x,C',y * C),C,y) = x.  [para(36(a,1),4004(a,1,3)),rewrite([2277(5)])].

4157 R(R(x,y,C),C,y) = x.  [para(4082(a,1),18(a,2)),rewrite([16(7,R),3930(7),871(8),3933(7)])].

4161 R(R(x,C,y * C),y,C) = x.  [back_rewrite(4019),rewrite([4157(10)])].

4234 R(x,C,C' * y) = R(x,C,C * y).  [para(36(a,1),3972(a,1,3,2)),flip(a)].

4308 R(x,C',y) = R(x,y,C).  [para(7(a,1),3920(a,2,3)),rewrite([106(3),36(5)]),flip(a)].

4311 R(x,y * y,C) = R(x,C',y * y).  [para(129(a,1),3920(a,1,2)),rewrite([16(11,R),129(11)])].

4318 R(x,y * (z * C),C) = R(x,C',y * (z * C)).  [para(110(a,1),3920(a,1,2)),rewrite([16(15,R),110(15)])].

4338 C * (x' * (C' * R(x * y,x,C))) = R(y,C',x * x).  [back_rewrite(3897),rewrite([4311(13)])].

4558 C * R(x,y,C) = R(C * x,y,C).  [para(3933(a,1),10(a,1,2)),rewrite([32(3)])].

4564 C' * R(x,y,C) = R(C' * x,y,C).  [para(36(a,1),3933(a,1,2,1))].

4582 R(x,C',y * C) = R(x,y,C).  [para(1512(a,1),3933(a,1,2)),rewrite([3932(8),3937(9),4558(6),4564(7),10(5),3920(6)]),flip(a)].

4626 R(R(C * x,y,C),y,C) = (C * (x * y)) / y.  [back_rewrite(4052),rewrite([4558(6),4558(4)])].

4656 C * (x' * R(C' * (x * y),x,C)) = R(y,C',x * x).  [back_rewrite(4338),rewrite([4564(8)])].

4663 x' * (C' * (x * y)) = R(C' * y,x,C).  [back_rewrite(3895),rewrite([4564(11)])].

4704 R(R(x,y,C),y,C) = R(x,C,y * C).  [back_rewrite(3952),rewrite([4582(7)])].

4710 R(x,C,y * C) = R(x,C,y).  [back_rewrite(3416),rewrite([4582(5),4704(4)])].

4721 R(x,C' * y,C) = R(x,y,C).  [back_rewrite(2277),rewrite([4582(10)])].

4733 (C * (x * y)) / y = R(C * x,C,y).  [back_rewrite(4626),rewrite([4704(6),4710(6)]),flip(a)].

4737 R(R(x,C,y),y,C) = x.  [back_rewrite(4161),rewrite([4710(4)])].

4740 C * (x' * ((C' * x) * y)) = R(y,C,x).  [back_rewrite(4015),rewrite([4710(12)])].

4750 R(x,y,C * C) = R(x,C,y).  [back_rewrite(1702),rewrite([4710(4)]),flip(a)].

4760 R(x,C,C * y) = R(x,C,y).  [back_rewrite(4030),rewrite([4750(6)])].

4796 R(x,C,C' * y) = R(x,C,y).  [back_rewrite(4234),rewrite([4760(9)])].

4827 R(R(x,C,y),C',y) = x.  [para(4737(a,1),4308(a,2))].

5318 C' * (x * (C * y)) = C * ((C' * x) * y).  [para(36(a,1),2438(a,1,2,2,2)),rewrite([1248(12),106(9)])].

5351 R(x,C * y,C') = R(x,C,y).  [back_rewrite(3125),rewrite([5318(6),4733(7),36(5)]),flip(a)].

5365 R(x,C,y) = R(x,y,C') # label(flip_matches_hint).  [para(36(a,1),5351(a,1,2)),rewrite([4796(8)]),flip(a)].

5384 R(c1,A,C') * R(c2,C,A) != R(c1 * c2,C,A).  [para(5365(a,1),20(a,1,1))].

5397 R(R(x,y,C),y,C') = x.  [para(5365(a,1),4157(a,1))].

7967 x' * R(C' * y,x,C) = (C' * x') * y.  [para(10(a,1),3775(a,1,2)),rewrite([4663(12)]),flip(a)].

8074 R(x,C',y * y) = R(x,C,y).  [back_rewrite(4656),rewrite([7967(9),3630(7),4740(8)]),flip(a)].

8170 x * (C * ((C' * x') * y)) = R(y,x',C).  [para(676(a,1),3902(a,1,2)),rewrite([478(8),3756(12),110(13),16(7,R),478(11),4721(14)])].

9941 R(x,y * z,C) = R(x,C',y * z).  [para(7(a,1),4318(a,1,2,2)),rewrite([106(7),16(10,R),36(10)])].

13806 R(x * R(y,z',C),z,C) = R(x,z,C) * y.  [para(36(a,1),3655(a,1,2)),rewrite([478(7),8170(11)]),flip(a)].

13857 R(R(x,y',C),y,C) = x.  [para(2(a,1),13806(a,1,1)),rewrite([64(8),2(7)])].

13884 R(x * R(y,C',z'),z,C) = R(x,z,C) * y.  [para(4308(a,2),13806(a,1,1,2))].

13916 R(R(x,C,y'),C,y) = x.  [para(551(a,1),13857(a,1,1,2)),rewrite([9941(5),8074(6),9941(6),8074(7)])].

13929 R(x,y',C) = R(x,y,C').  [para(13857(a,1),5397(a,1,1)),flip(a)].

14521 R(R(x,C,y),C,y') = x.  [para(32(a,1),13916(a,1,1,3))].

14527 R(x,C',y) = R(x,C,y').  [para(13916(a,1),4827(a,1,1))].

14545 R(x * R(y,C,z),z,C) = R(x,z,C) * y.  [back_rewrite(13884),rewrite([14527(4),32(3)])].

16801 R(c1,A,C') * R(c2,C,A) != R(c1 * c2,A,C').  [para(5365(a,1),5384(a,2))].

21011 R(x,y,C') * R(z,C,y) = R(x * z,y,C').  [para(14521(a,1),14545(a,1,1,2)),rewrite([13929(4),13929(7)]),flip(a)].

21012 $F.  [resolve(21011,a,16801,a)].

 

============================== end of proof ==========================

 

% Proof 1 at 15.69 (+ 0.17) seconds.

% Length of proof is 380.

% Level of proof is 51.

% Maximum clause weight is 1015.000.

% Given clauses 1121.

 

1 R(x * y,A,C) = R(x,A,C) * R(y,A,C) # label(non_clause) # label(goal).  [goal].

2 0 * x = x.  [assumption].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 C * ((x * y) * C) = (C * x) * (y * C).  [assumption].

15 (C * x) * (y * C) = C * ((x * y) * C).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 R(x,y,z) = ((x * y) * z) / (y * z).  [assumption].

18 ((x * y) * z) / (y * z) = R(x,y,z).  [copy(17),flip(a)].

19 R(c1 * c2,A,C) != R(c1,A,C) * R(c2,A,C).  [deny(1)].

20 R(c1,A,C) * R(c2,A,C) != R(c1 * c2,A,C).  [copy(19),flip(a)].

21 (C * x) * (y * C) = C * (C * (x * y)).  [back_rewrite(15),rewrite([16(9,R)])].

25 x / 0 = x.  [para(3(a,1),6(a,1,1))].

30 0 / x = x'.  [para(8(a,1),6(a,1,1))].

32 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([30(3)])].

33 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

34 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

36 x * (x' * y) = y.  [back_rewrite(4),rewrite([33(1)])].

37 (x * (x * y)) / y = x * x.  [para(12(a,1),6(a,1,1))].

41 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

42 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

47 (x * (y * (y * x))) * z = x * (y * (y * (x * z))).  [para(12(a,1),13(a,1,1,2)),rewrite([12(7)])].

53 C * (x / C) = x.  [para(16(a,2),7(a,1))].

54 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

56 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

57 C * (x * x) = x * (x * C).  [para(16(a,2),12(a,1))].

58 C * (x * x) = x * (C * x).  [para(16(a,2),12(a,2,2)),rewrite([16(3,R)])].

61 (C * (C * x)) * y = C * (x * (C * y)).  [para(16(a,2),13(a,1,1,2))].

62 C * (x * (y * x)) = x * (y * (x * C)).  [para(16(a,2),13(a,1))].

67 R(x,y,z) * (y * z) = (x * y) * z.  [para(18(a,1),7(a,1,1))].

68 R(x / y,y,z) = (x * z) / (y * z).  [para(7(a,1),18(a,1,1,1)),flip(a)].

71 (x * y') * y = R(x,y',y).  [para(8(a,1),18(a,1,2)),rewrite([25(5)])].

72 R(x,x',y) = x.  [para(9(a,1),18(a,1,1,1)),rewrite([2(2),34(3),32(2)]),flip(a)].

74 (x * y) * y' = R(x,y,y').  [para(9(a,1),18(a,1,2)),rewrite([25(5)])].

75 R(x',x * y,z) = (y * z) / ((x * y) * z).  [para(10(a,1),18(a,1,1,1)),flip(a)].

79 ((x * (y * y)) * z) / (y * (y * z)) = R(x,y * y,z).  [para(12(a,1),18(a,1,2))].

81 (x * (y * (x * z))) / ((y * x) * z) = R(x,y * x,z).  [para(13(a,1),18(a,1,1))].

85 ((C * x) * y) / (C * y) = R(x,C,y).  [para(16(a,2),18(a,1,1,1))].

87 (C * (x * y)) / (C * y) = R(x,y,C).  [para(16(a,2),18(a,1,2)),rewrite([16(3,R)])].

88 (C * (C * (x * y))) / (y * C) = C * x.  [para(21(a,1),6(a,1,1))].

89 C * (C * (x * (y / C))) = (C * x) * y.  [para(7(a,1),21(a,1,2)),flip(a)].

90 C * (C * (x * C')) = C * x.  [para(8(a,1),21(a,1,2)),rewrite([3(4)]),flip(a)].

99 (x * C) * (y * C) = C * (C * (x * y)).  [para(16(a,1),21(a,1,1))].

100 (C * x) * (C * y) = C * (C * (x * y)).  [para(16(a,2),21(a,1,2))].

106 x / C = C' * x.  [para(53(a,1),10(a,1,2)),flip(a)].

110 C * (C * ((C' * x) * y)) = x * (y * C).  [para(53(a,1),21(a,1,1)),rewrite([106(7)]),flip(a)].

111 C * (C * (x * (C' * y))) = (C * x) * y.  [back_rewrite(89),rewrite([106(4)])].

112 x' * C = C * x'.  [para(16(a,2),33(a,2)),rewrite([33(2)])].

113 (x / y)' = y / x.  [para(7(a,1),34(a,1,2)),flip(a)].

117 C / (C * x) = x'.  [para(16(a,2),34(a,1,2))].

118 (x * C) / (C * (C * (y * x))) = (C * y)'.  [para(21(a,1),34(a,1,2))].

123 R(x,x' * y,z) = (y * z) / ((x' * y) * z).  [para(36(a,1),18(a,1,1,1)),flip(a)].

125 ((x * y) * (y' * z)) / z = R(x,y,y' * z).  [para(36(a,1),18(a,1,2))].

129 C * (x * (C' * x)) = x * x.  [para(54(a,1),13(a,2,2)),rewrite([16(6,R)])].

132 ((x * C') * (y * C)) / y = R(x,C',y * C).  [para(54(a,1),18(a,1,2))].

135 (x * y) / ((z * x) * y) = R(z,x,y)'.  [para(18(a,1),113(a,1,1)),flip(a)].

136 (C' * x)' = C / x.  [para(106(a,1),113(a,1,1))].

137 R(x,x' * y,z) = R(x',y,z)'.  [back_rewrite(123),rewrite([135(8)])].

138 R(x',x * y,z) = R(x,y,z)'.  [back_rewrite(75),rewrite([135(7)])].

154 (x' * y) / (x * y) = x' * x'.  [para(10(a,1),37(a,1,1,2))].

161 (x * y) / (x' * y) = x * x.  [para(36(a,1),37(a,1,1,2))].

173 (C * (C * (x * y))) / (C * (C * y)) = R(x,C,y * C).  [para(56(a,2),18(a,1,2)),rewrite([99(5)])].

178 (C * x)' = (x * C)'.  [para(56(a,1),117(a,1,2)),rewrite([117(6)]),flip(a)].

189 (C * x) * ((x * C)' * y) = y.  [para(178(a,1),36(a,1,2,1))].

201 (C * (x * x)) * y = x * (C * (x * y)).  [para(58(a,2),13(a,1,1))].

208 C * (C * (x * (x * y))) = x * (C * (x * (y * C))).  [para(58(a,1),21(a,1,1)),rewrite([13(6),12(10)]),flip(a)].

212 x * (C * (x' * x')) = C * x'.  [para(58(a,2),36(a,1,2))].

213 C * ((C' * x) * (C' * x)) = (C' * x) * x.  [para(36(a,1),58(a,2,2))].

228 C * (x * C') = R(x,C',C).  [para(71(a,1),16(a,2))].

232 C * (C * (x * (y * C'))) = (C * x) * R(y,C',C).  [para(71(a,1),21(a,1,2)),flip(a)].

235 C' * R(x,C',C) = x * C'.  [para(71(a,1),54(a,1,2))].

244 C * R(x,C',C) = C * x.  [back_rewrite(90),rewrite([228(6)])].

246 R(x,C',C) = x.  [para(244(a,1),10(a,1,2)),rewrite([10(5)]),flip(a)].

247 C' * x = x * C'.  [back_rewrite(235),rewrite([246(6)])].

248 C * (C * (x * (y * C'))) = (C * x) * y.  [back_rewrite(232),rewrite([246(14)])].

249 C * (x * C') = x.  [back_rewrite(228),rewrite([246(9)])].

250 (x * C') / x = C'.  [para(247(a,1),6(a,1,1))].

253 x' * (C' * x) = C'.  [para(247(a,2),10(a,1,2))].

256 C' * (x * x) = x * (C' * x).  [para(247(a,2),12(a,2,2)),rewrite([247(4,R)])].

257 (x * (x * C')) * y = x * (C' * (x * y)).  [para(247(a,1),13(a,1,1,2))].

258 C' * (x * (C' * y)) = C' * (x * (y * C')).  [para(247(a,1),13(a,2,2,2)),rewrite([13(7)])].

259 (C' * (C' * x)) * y = C' * (x * (C' * y)).  [para(247(a,2),13(a,1,1,2))].

260 C' * (x * (y * x)) = x * (y * (x * C')).  [para(247(a,2),13(a,1))].

264 ((C' * x) * y) / (C' * y) = R(x,C',y).  [para(247(a,2),18(a,1,1,1))].

266 (C' * (x * y)) / (C' * y) = R(x,y,C').  [para(247(a,2),18(a,1,2)),rewrite([247(4,R)])].

269 x * (C' * x') = C'.  [para(247(a,2),36(a,1,2))].

270 (x * C')' = C / x.  [para(247(a,1),136(a,1,1))].

279 (x * (x * C'))' = C / (x * x).  [para(12(a,1),270(a,1,1))].

284 (C * x)' * x = C'.  [para(10(a,1),253(a,1,2))].

285 (C' * x) * (x' * ((C' * x) * y)) = C' * (x * (C' * y)).  [para(253(a,1),13(a,1,1,2)),rewrite([247(6,R),259(7)]),flip(a)].

288 R(C,x',x) = C.  [para(253(a,1),21(a,2,2,2)),rewrite([16(8,R),36(8),71(4),9(8),3(6)])].

296 R(C,x,x') = C.  [para(32(a,1),288(a,1,2))].

306 (C * x)' = C' / x.  [para(284(a,1),6(a,1,1)),flip(a)].

327 (x * C)' = C' / x.  [back_rewrite(178),rewrite([306(3)]),flip(a)].

329 (x * C) / (C * (C * (y * x))) = C' / y.  [back_rewrite(118),rewrite([306(11)])].

332 (C * x) * ((C' / x) * y) = y.  [back_rewrite(189),rewrite([327(5)])].

338 x / C' = C * x.  [para(306(a,1),32(a,1,1)),rewrite([113(4)])].

359 (x * C) * x' = C.  [para(16(a,1),74(a,1,1)),rewrite([296(7)])].

378 C / x' = x * C.  [para(359(a,1),6(a,1,1))].

387 C' / x = C' * x'.  [para(359(a,1),34(a,1,2)),rewrite([106(3),327(7)]),flip(a)].

405 (C * x) * ((C' * x') * y) = y.  [back_rewrite(332),rewrite([387(5)])].

408 (x * C) / (C * (C * (y * x))) = C' * y'.  [back_rewrite(329),rewrite([387(11)])].

409 (x * C)' = C' * x'.  [back_rewrite(327),rewrite([387(6)])].

423 (C * x)' = C' * x'.  [back_rewrite(306),rewrite([387(6)])].

429 C / x = x' * C.  [para(32(a,1),378(a,1,2))].

443 (x * (x * C'))' = C * (x * x)'.  [back_rewrite(279),rewrite([429(8),16(9,R)])].

447 (x * C')' = x' * C.  [back_rewrite(270),rewrite([429(6)])].

455 (C' * x)' = x' * C.  [back_rewrite(136),rewrite([429(6)])].

466 (C * x) * x = C * (x * x).  [para(129(a,1),21(a,2,2)),rewrite([16(7,R),36(7)])].

479 (x * (C * (x * y))) / (x * y) = R(C * x,x,y).  [para(466(a,1),18(a,1,1,1)),rewrite([201(4)])].

483 (C' * x) * x = x * (C' * x).  [para(36(a,1),466(a,1,1)),rewrite([213(13)]),flip(a)].

491 C * ((C' * x) * (C' * x)) = x * (C' * x).  [back_rewrite(213),rewrite([483(13)])].

493 (x * x)' = x' * x'.  [para(8(a,1),161(a,1,1)),rewrite([32(3),30(3)])].

510 (x * (x * C'))' = C * (x' * x').  [back_rewrite(443),rewrite([493(8)])].

525 R(x / y,y,z) = R(y / x,x,z)'.  [para(7(a,1),138(a,1,2)),rewrite([113(2)])].

550 C * (x * (x * (C * ((C' * x') * y)))) = (C * x) * y.  [para(405(a,1),12(a,2,2)),rewrite([100(5),61(11),12(10)])].

556 (C * x) * y = (x * C) * y.  [para(36(a,1),405(a,1,2)),rewrite([455(8),32(5)])].

589 R(x,y,z)' * ((x * y) * z) = y * z.  [para(67(a,1),10(a,1,2))].

595 R(x,y,C) * (C * y) = C * (x * y).  [para(16(a,2),67(a,1,2)),rewrite([16(8,R)])].

610 (C' * x) * y = (x * C') * y.  [para(247(a,1),67(a,2,1)),rewrite([67(5)])].

611 R(x,y,C') * (C' * y) = C' * (x * y).  [para(247(a,2),67(a,1,2)),rewrite([247(11,R)])].

631 (C' * (x * x)) * y = x * (C' * (x * y)).  [para(12(a,1),610(a,2,1)),rewrite([257(10)])].

636 (x * C') * (y * ((C' * x) * z)) = (x * C') * (y * ((x * C') * z)).  [para(610(a,2),13(a,2,2,2)),rewrite([13(9)]),flip(a)].

646 (x * C') * x = x * (C' * x).  [para(610(a,1),58(a,2)),rewrite([491(9),36(12)]),flip(a)].

667 (C * (C * (x * y))) / (C * (y * C)) = R(x,C,y * C).  [para(21(a,1),85(a,1,1))].

668 (x * y) / (C * y) = R(C' * x,C,y).  [para(36(a,1),85(a,1,1,1))].

670 ((C * x) * (C' * y)) / y = R(x,C,C' * y).  [para(36(a,1),85(a,1,2))].

692 (C * (x * (C' * y))) / y = R(x,C' * y,C).  [para(36(a,1),87(a,1,2))].

713 x * ((x * y)' * x) = x / y.  [para(8(a,1),41(a,1,1,2)),rewrite([3(2)]),flip(a)].

714 (x * y) / x' = x * (y * x).  [para(9(a,1),41(a,1,1,2,2)),rewrite([3(2)])].

743 C * (x * (y * (C' * x))) = x * (y * x).  [para(247(a,2),41(a,1,1,2,2)),rewrite([338(8)])].

794 (x * y)' * x = x' * (x / y).  [para(713(a,1),10(a,1,2)),flip(a)].

795 x' / (x * y) = x' * (y' * x').  [para(10(a,1),713(a,1,2,1,1)),flip(a)].

800 x' * (C * C) = C * (x' * C).  [para(713(a,1),21(a,2,2)),rewrite([423(4),36(6),429(8)])].

826 (x * (y * x))' = x' * (y' * x').  [para(714(a,1),113(a,1,1)),rewrite([795(6)])].

893 (x * y) * x' = x * (y / x).  [para(9(a,1),42(a,1,2,2)),rewrite([3(3)]),flip(a)].

894 (x / y) * (y * z) = y' * ((y * x) * z).  [para(42(a,1),10(a,1,2)),flip(a)].

895 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(10(a,1),42(a,1,2,2)),flip(a)].

903 C * ((C * x) * y) = x * (C * (C * y)).  [para(42(a,1),21(a,2,2)),rewrite([106(3),36(5),16(4,R)]),flip(a)].

906 (x * y) * (x' * z) = x * ((y / x) * z).  [para(36(a,1),42(a,1,2,2)),flip(a)].

907 (C' * x) * (y * C) = C' * ((C * x) * y).  [para(54(a,1),42(a,1,2,2)),rewrite([338(5)]),flip(a)].

944 (C * ((C' * x) * y)) / y = R(x,C,C' * y).  [back_rewrite(670),rewrite([906(6),106(3)])].

980 (C * x) * R(y,x,C) = C * (x * y).  [para(87(a,1),893(a,2,2)),rewrite([100(6),423(9),906(11),106(7),10(8),893(5),6(3)]),flip(a)].

987 C' * ((C * x') * (x * y)) = R(y,x,C).  [para(980(a,1),10(a,1,2)),rewrite([423(3),895(8),338(6)])].

1025 C * (C * x) = x * (C * C).  [para(61(a,1),54(a,1,2)),rewrite([10(9)]),flip(a)].

1061 (x * C) * (C * y) = C * (C * (x * y)).  [para(16(a,2),99(a,1,2))].

1083 x * (C * y) = x * (y * C).  [para(36(a,1),100(a,1,1)),rewrite([110(11)])].

1100 (x / (C * y)) * (y * C) = x.  [para(1083(a,1),7(a,1))].

1101 (x / (y * C)) * (C * y) = x.  [para(1083(a,2),7(a,1))].

1110 (C * x) / (y * (x * C)) = y'.  [para(1083(a,1),34(a,1,2))].

1124 (x * C') * (C * y) = C' * ((C * x) * y).  [para(1083(a,1),610(a,1)),rewrite([907(6)]),flip(a)].

1125 (x * C') * (y * C) = C' * ((C * x) * y).  [para(1083(a,1),610(a,2)),rewrite([895(6),338(5)]),flip(a)].

1134 (C' * ((C * x) * y)) / y = R(x,C',y * C).  [back_rewrite(132),rewrite([1125(6)])].

1156 (x * C) / (C * (y * x)) = R(y,x,C)'.  [para(16(a,2),135(a,1,2))].

1229 (C * x) / (y * x) = R(C' * y,C,x)'.  [para(668(a,1),113(a,1,1)),flip(a)].

1306 C' * (x * (C * (C * y))) = (C * x) * y.  [para(903(a,1),10(a,1,2))].

1437 C' * (x * (y * C)) = C * ((C' * x) * y).  [para(110(a,1),10(a,1,2))].

1439 C' * ((C * x) * y) = C * (x * (C' * y)).  [para(13(a,1),110(a,1,2,2)),rewrite([36(10),1125(12)]),flip(a)].

1475 R(x,C' * y,C) = R(x,C',y * C).  [back_rewrite(1134),rewrite([1439(6),692(7)])].

1478 (x * C') * (C * y) = C * (x * (C' * y)).  [back_rewrite(1124),rewrite([1439(12)])].

1480 C * (x' * (C' * (x * y))) = R(y,x,C).  [back_rewrite(987),rewrite([1439(8)])].

1488 (C * (x * (C' * y))) / y = R(x,C',y * C).  [back_rewrite(692),rewrite([1475(12)])].

1504 R(x,C',C * (y * C)) = R(x,y,C).  [para(54(a,1),1475(a,1,2)),rewrite([16(8,R)]),flip(a)].

1505 R(x,y * C',C) = R(x,C',y * C).  [para(247(a,1),1475(a,1,2))].

1538 C' * (x * (C' * y))' = C * ((C * x) * y)'.  [para(111(a,1),794(a,1,1,1)),rewrite([16(6,R),429(16),423(15),16(18,R),36(18)]),flip(a)].

1651 C' * ((x * C) * y) = C * (x * (C' * y)).  [para(16(a,1),894(a,2,2,1)),rewrite([106(2),895(6),338(5),1439(6)]),flip(a)].

1653 x' * ((C * x) * y) = x' * ((x * C) * y).  [para(16(a,2),894(a,2,2,1)),rewrite([429(2),895(5),429(4),32(3)]),flip(a)].

1665 (x / y) * (C' * y) = y' * (C' * (y * x)).  [para(247(a,2),894(a,1,2)),rewrite([247(10,R)])].

1666 (C' * x') * (x * y) = x' * ((C' * x) * y).  [para(247(a,2),894(a,2,2,1)),rewrite([387(3)])].

1685 R(x,y,C) * ((C * y) * z) = R(x * (y * (C * z)),y,C).  [para(87(a,1),894(a,1,1)),rewrite([423(9),100(16),61(17),13(16),895(18),338(12),14

39(18),1480(18)])].

1713 (C' * x) * (y * (z * C)) = C * (x * ((C' * y) * z)).  [para(110(a,1),894(a,1,2)),rewrite([106(2),100(18),10(19)])].

1715 (C' * x) * ((C * y) * z) = C * (x * (y * (C' * z))).  [para(111(a,1),894(a,1,2)),rewrite([106(2),100(18),10(19)])].

1716 (x * (C' * y)) * (C * z) = C' * (((C * x) * y) * z).  [para(111(a,1),894(a,2,2,1)),rewrite([106(8),10(9)])].

1733 (x * C) * (C' * y) = C * ((C' * x) * y).  [para(16(a,1),906(a,1,1)),rewrite([106(9)])].

1748 (C' * x) * (x' * y) = x * ((C' * x') * y).  [para(247(a,2),906(a,1,1)),rewrite([387(9)])].

1806 x * ((C' * x') * ((C' * x) * y)) = C' * (x * (C' * y)).  [back_rewrite(285),rewrite([1748(10)])].

1821 C' * (x * (C * y)) = C * ((C' * x) * y).  [para(36(a,1),1306(a,1,2,2,2)),rewrite([906(12),106(9)])].

1839 (C * x) * (y * (C' * z)) = C' * (x * ((C * y) * z)).  [para(111(a,1),1306(a,1,2,2)),flip(a)].

1852 R(x,y / x,C) = R(x,y,C).  [para(7(a,1),1480(a,1,2,2,2)),rewrite([113(3),1665(6),1480(8)]),flip(a)].

1853 x' * (C' * (x * y)) = C' * R(y,x,C).  [para(1480(a,1),10(a,1,2)),flip(a)].

1856 C * (x' * (C' * R(x * y,x,C))) = R(y,x * x,C).  [para(12(a,1),1480(a,1,2,2,2)),rewrite([493(3),12(10),1853(9)])].

1859 (C * x') * (x * y) = C * R(y,x,C).  [para(1480(a,1),21(a,2,2)),rewrite([16(9,R),36(9)])].

1861 C * (x * (C' * (x' * y))) = R(y,x',C).  [para(32(a,1),1480(a,1,2,1))].

1872 C' * (x' * ((C * x) * y)) = R(y,C * x,C).  [para(556(a,1),1480(a,1,2,2,2)),rewrite([423(4),1651(11),895(12),338(7),1839(11),36(13)])].

1875 x' * (C * ((C' * x) * y)) = R(y,C',x * C).  [para(610(a,2),1480(a,1,2,2,2)),rewrite([447(5),1733(12),110(13),16(7,R),1505(13)])].

1880 C * (x' * ((C' * x) * y)) = R(R(y,x,C),C * x,C).  [para(980(a,1),1480(a,1,2,2,2)),rewrite([423(4),10(11),1666(7)])].

1881 R(x,C * (C * y),C) = R(x,C',y * C).  [para(61(a,1),1480(a,1,2,2,2)),rewrite([423(6),423(6),10(16),259(12),1821(10),1875(11),36(10)]),fli

p(a)].

1882 x' * ((x * C) * y) = C * R(y,x,C).  [para(1480(a,1),99(a,2,2)),rewrite([16(9,R),36(9),895(5),429(4),32(3)])].

1884 R(C * x,C * y,C) = C * R(x,y,C).  [para(100(a,1),1480(a,1,2,2,2)),rewrite([423(4),10(13),895(9),338(7),1859(8),10(8)]),flip(a)].

1889 R(x',C',C * (x * y))' = (x * y) / R(y,x,C).  [para(1480(a,1),1156(a,1,2)),rewrite([16(6,R),36(6),1475(11),16(10,R)]),flip(a)].

1905 x' * ((C * x) * y) = C * R(y,x,C).  [back_rewrite(1653),rewrite([1882(10)])].

1909 R(x,C * y,C) = R(x,y,C).  [back_rewrite(1872),rewrite([1905(7),10(7)]),flip(a)].

1911 C * R(x,y,C) = R(C * x,y,C).  [back_rewrite(1884),rewrite([1909(6)]),flip(a)].

1912 R(x,C',y * C) = R(x,y,C).  [back_rewrite(1881),rewrite([1909(6),1909(4)]),flip(a)].

1913 C * (x' * ((C' * x) * y)) = R(R(y,x,C),x,C).  [back_rewrite(1880),rewrite([1909(14)])].

1938 x' * (C * ((C' * x) * y)) = R(y,x,C).  [back_rewrite(1875),rewrite([1912(13)])].

1942 R(x,y * C',C) = R(x,y,C).  [back_rewrite(1505),rewrite([1912(10)])].

1943 (C * (x * (C' * y))) / y = R(x,y,C).  [back_rewrite(1488),rewrite([1912(12)])].

1947 R(x,C' * y,C) = R(x,y,C).  [back_rewrite(1475),rewrite([1912(10)])].

1974 x * (C' * (x' * (y * x'))) = y * (x' * C').  [para(260(a,2),36(a,1,2))].

2006 (C' * (x * (C' * C'))) * y = C' * ((x * C') * (C' * y)).  [para(260(a,2),610(a,1,1)),rewrite([259(10),247(19,R)]),flip(a)].

2065 (x * y) / (C' * y) = R(C * x,C',y).  [para(10(a,1),264(a,1,1,1))].

2066 R(x,C',C * y) = R(x,y,C).  [para(10(a,1),264(a,1,2)),rewrite([895(6),338(5),1439(6),1943(7)]),flip(a)].

2081 (x * y) / R(y,x,C) = R(x,y,C).  [back_rewrite(1889),rewrite([2066(7),138(4),32(4)]),flip(a)].

2086 R(x,y * C,C) = R(x,y,C).  [back_rewrite(1504),rewrite([2066(7)])].

2096 R(x,C * y,C') = R(x,C,C' * y).  [para(10(a,1),266(a,1,2)),rewrite([1821(6),944(7)]),flip(a)].

2100 R(x,y * C,C') = R(x,C,C' * y).  [para(54(a,1),266(a,1,2)),rewrite([1437(6),944(7)]),flip(a)].

2108 (C * (x * (C' * y))) / (C' * y) = R(C * x,y,C').  [para(556(a,1),266(a,1,1,2)),rewrite([1651(6)])].

2114 R(x * C,C,C' * y) = (C * (x * y)) / y.  [para(99(a,1),266(a,1,1,2)),rewrite([10(8),54(8),2100(11)]),flip(a)].

2134 R(x,(C * y) * z,C') = R(x,C,y * (C' * z)).  [para(111(a,1),2096(a,1,2)),rewrite([10(16)])].

2168 R(R(x,y,C'),y,C) = x.  [para(611(a,1),87(a,1,1,2)),rewrite([36(6),36(6),6(2),1947(8)]),flip(a)].

2193 ((x * C') * (y * (z * C))) / (C * ((C' * y) * z)) = R(x,C',y * (z * C)).  [para(1437(a,1),18(a,1,2))].

2226 C * ((C' * x) * (x * y)) = C * (x * (x * (C' * y))).  [para(12(a,1),1439(a,2,2)),rewrite([201(6),1821(7)])].

2228 C * (x * (C' * (C' * y))) = (C' * x) * y.  [para(1439(a,1),13(a,2)),rewrite([247(7,R),10(7)]),flip(a)].

2229 ((x * C') * ((C * y) * z)) / (C * (y * (C' * z))) = R(x,C',(C * y) * z).  [para(1439(a,1),18(a,1,2))].

2245 ((C' * x) * y) * (z * C) = C' * ((x * (y * C)) * z).  [para(110(a,1),1439(a,1,2,1)),rewrite([906(18),106(15),110(19)]),flip(a)].

2253 (C' * x) * (y * C') = C' * (C' * (x * y)).  [para(260(a,2),1439(a,2,2,2)),rewrite([1839(11),247(9,R),10(9),2228(19)]),flip(a)].

2292 ((C * x) * y)' = ((x * C) * y)'.  [para(1651(a,1),794(a,1,1,1)),rewrite([423(7),1538(8),247(9,R),10(9),32(7),387(11),36(13)])].

2325 (x * (y * C)) / y = R(x * C,y,C).  [para(1733(a,1),87(a,1,1,2)),rewrite([110(8),36(8),1947(11)])].

2330 C * (x * R(y,x,C)) = x * (y * C).  [para(1733(a,1),980(a,2,2)),rewrite([2086(11),13(10),1911(8),36(6),110(13)])].

2349 C' * (x * (x * (C * y))) = C * (x * (C' * (x * y))).  [para(12(a,1),1821(a,1,2)),rewrite([631(13)])].

2387 (x * C') * (C' * y) = C' * (C' * (x * y)).  [para(260(a,2),1821(a,2,2,1)),rewrite([1716(11),247(9,R),10(9),259(18),36(19)]),flip(a)].

2407 (C' * (x * (C' * C'))) * y = C' * (C' * (C' * (x * y))).  [back_rewrite(2006),rewrite([2387(19)])].

2694 (C' * R(x,C',C' * y)) * y = C' * (x * y).  [para(67(a,1),2228(a,1,2)),rewrite([2387(8),36(9)]),flip(a)].

2695 R(x,C',y) = R(x,y,C).  [para(2228(a,1),87(a,1,1)),rewrite([36(12),2065(8),36(5),1947(11),1947(8)])].

2712 C * (x * (C' * (y * (C' * C')))) = C' * (C' * (x * y)).  [para(260(a,1),2228(a,1,2,2)),rewrite([2253(19)])].

2718 (C' * x) * ((y * C) * z) = C * (x * (y * (C' * z))).  [para(1651(a,1),2228(a,1,2,2,2)),rewrite([10(10)]),flip(a)].

2720 (C' * x) * (y * (C * z)) = C * (x * ((C' * y) * z)).  [para(1821(a,1),2228(a,1,2,2,2)),rewrite([10(10)]),flip(a)].

2739 R(x,C',x' * y) = R(x',y,C)'.  [para(2695(a,2),137(a,1))].

2832 C' * ((C' * x) * (C' * y)) = C' * (C' * (C' * (x * y))).  [para(259(a,1),610(a,2,1)),rewrite([259(10),2407(20)])].

2859 (C' * x) * (C' * y) = C' * (C' * (x * y)).  [para(259(a,1),1733(a,1,1)),rewrite([16(6,R),9(6),3(4),259(18),2832(18),36(19)])].

3040 (x * (C' * C')) * y = C' * (x * (C' * y)).  [para(1748(a,1),13(a,1,1)),rewrite([2859(8),8(6),3(6),1748(17),1806(17)])].

3190 x * (C' * y) = x * (y * C').  [para(10(a,1),2253(a,1,1)),rewrite([1439(12),10(13)]),flip(a)].

3215 (C' * x) * (y * x) = x * ((C' * y) * x).  [para(2253(a,1),41(a,1,1,2)),rewrite([338(11),2228(10)])].

3274 ((x * y) * (C' * z)) / (y * (z * C')) = R(x,y,C' * z).  [para(3190(a,1),18(a,1,2))].

3275 R(x,y,C' * z) = R(x,y,z * C').  [para(3190(a,2),18(a,1,1)),rewrite([3274(10)])].

3626 R(R(x,y,C'),C,y) = R(x,y,C).  [para(611(a,1),667(a,1,1,2,2)),rewrite([36(7),16(9,R),36(9),87(6),16(11,R),36(11)]),flip(a)].

3741 x' * ((C * (x * (y' * x))) * x') = x' / (y * (x' * C')).  [para(1974(a,1),795(a,1,2)),rewrite([455(16),826(13),32(10),32(11),16(13,R)]),

flip(a)].

3948 R(x * (y * C),y,C) = C * (x * y).  [para(3(a,1),1685(a,1,2)),rewrite([595(5),3(6)]),flip(a)].

3950 R(x,y,C) * y = R(x * y,y,C).  [para(9(a,1),1685(a,2,1,2,2)),rewrite([247(7,R),10(7),3(5)])].

3969 x * ((C * x') * y) = R(C * y,x',C).  [para(36(a,1),1685(a,2,1)),rewrite([72(3)])].

3976 C' * R(x,y,C) = R(x * C',y,C).  [para(269(a,1),1685(a,1,2)),rewrite([247(5,R),423(11),36(14),269(10)])].

4082 C * (x' * R(C' * (x * y),x,C)) = R(y,x * x,C).  [back_rewrite(1856),rewrite([3976(8),247(6,R)])].

4105 (x * C') * (y * (z * C)) = C * (x * ((C' * y) * z)).  [para(247(a,1),1713(a,1,1))].

4163 R(x,(C' * y) * z,C) = R(x,C',y * (z * C)).  [back_rewrite(2193),rewrite([4105(7),87(14)])].

4277 (x * C') * ((C * y) * z) = C * (x * (y * (C' * z))).  [para(247(a,1),1715(a,1,1))].

4341 R(x,y * (C' * z),C) = R(x,C',(C * y) * z).  [back_rewrite(2229),rewrite([4277(7),87(14)])].

4376 (C * x) * (y * (z * C')) = C' * (x * ((C * y) * z)).  [para(247(a,1),1839(a,1,2,2))].

4451 ((x * (y * C)) * z) / (C * (z * C)) = R((C' * x) * y,z,C).  [para(2245(a,1),87(a,1,1,2)),rewrite([36(9),2086(17)])].

5027 R(x,C',C' * y) = R(x,y,C).  [para(3275(a,2),2695(a,1)),rewrite([1942(11)])].

5033 R((x * C') * y,y,C) = C' * (x * y).  [back_rewrite(2694),rewrite([5027(8),3976(5),3950(6)])].

5044 R((C' * x) * y,y,C) = C' * (x * y).  [para(247(a,2),5033(a,1,1,1))].

5060 R(x * (C' * y),y,C) = (C' * x) * y.  [para(1733(a,1),5033(a,2,2)),rewrite([247(5,R),54(5),1947(9),10(15)])].

5513 x * (C' * (x' * y)) = R(C' * y,x',C).  [para(47(a,1),1748(a,1)),rewrite([510(9),201(10),1821(11),2226(11),2349(14),36(11),1861(11),510(1

7),10(18),12(14),906(15),250(10)]),flip(a)].

5962 (C * (x * (y * y))) / (y * (y * C)) = R(x,y * y,C).  [para(57(a,1),87(a,1,2))].

6038 C * (x * (C' * ((x * C') * y))) = x * (C' * (x * y)).  [para(249(a,1),13(a,1,1,2)),rewrite([646(4),13(5),1478(15)]),flip(a)].

6364 (C * (x * (y * x))) * x' = x * R(y * C,x,C).  [para(62(a,2),893(a,1,1)),rewrite([2325(10)])].

6529 x' / (y * (x' * C')) = R(y' * C,x,C).  [back_rewrite(3741),rewrite([6364(8),10(8)]),flip(a)].

6545 x * ((x' * C) * y) = R(C * y,x',C).  [para(112(a,1),894(a,2,2,1)),rewrite([429(3),32(2),906(5),429(2),32(7),3969(10)])].

6776 R(x' / y,y,x) = (y * x)'.  [para(8(a,1),68(a,2,1)),rewrite([30(6)])].

6935 R(x' * C,x,y * C') = y / (x * (y * C')).  [para(249(a,1),68(a,2,1)),rewrite([429(2)])].

7614 R(x,C * C,y) = R(x,y,C).  [para(16(a,1),79(a,1,2,2)),rewrite([4451(10),16(5,R),36(5)]),flip(a)].

7626 R(x,C' * C',y) = R(x,C' * y,C').  [para(247(a,1),79(a,1,1,1,2)),rewrite([3040(7),266(14)]),flip(a)].

7689 R(x,C' * C',(y * C) * z) = R(x,C,C' * (y * (C' * z))).  [para(1651(a,1),79(a,1,2,2)),rewrite([3040(10),1651(8),1821(10),10(19),944(15)])

,flip(a)].

7700 ((x * (C * C)) * (y * (C' * (C' * z)))) / (C * ((C' * y) * z)) = R(x,C',y * (z * C)).  [para(2228(a,1),79(a,1,2,2)),rewrite([7614(30),43

41(28),906(27),106(24),2066(28),4163(25)])].

7701 R(x,y * y,C) = R(x,C',y * y).  [para(2695(a,2),79(a,2)),rewrite([16(4,R),5962(8)])].

7738 ((x * (C * C)) * (y * (C' * (z * (C' * C'))))) / (C' * (y * z)) = R(x,y * z,C).  [para(2712(a,1),79(a,1,2,2)),rewrite([36(24),7614(34),4

341(32),4376(31),247(29,R),10(29),5027(27)])].

7778 (C * (x * (y * y))) / (y * (y * C)) = R(x,C',y * y).  [back_rewrite(5962),rewrite([7701(11)])].

7782 C * (x' * R(C' * (x * y),x,C)) = R(y,C',x * x).  [back_rewrite(4082),rewrite([7701(13)])].

8136 R(R(x,C,C' * y),y,C) = x.  [para(2096(a,1),2168(a,1,1)),rewrite([1909(9)])].

8910 (C * (x * y)) / y = C * R(x,y,C').  [para(611(a,1),88(a,1,1,2,2)),rewrite([36(7),16(8,R),36(8)])].

8943 R(x * C,C,C' * y) = C * R(x,y,C').  [back_rewrite(2114),rewrite([8910(11)])].

8944 C * R(x,C' * y,C') = R(C * x,y,C').  [back_rewrite(2108),rewrite([8910(10)])].

10303 (C * (C * (x * y))) / (y * (C * C)) = R(x,C,C * y).  [para(1025(a,1),18(a,1,2)),rewrite([1061(5)])].

10304 R(x,C,C * y) = R(x,y,C * C).  [para(1025(a,2),18(a,1,1)),rewrite([10303(10)])].

10305 R(x,C,y * C) = R(x,y,C * C).  [para(1025(a,2),18(a,1,2)),rewrite([1025(5,R),173(10)])].

10318 (x * (C * C)) * y = C * (x * (C * y)).  [para(1025(a,1),556(a,1,1)),rewrite([16(9,R),61(10)])].

10435 R(x,y * z,C) = R(x,C',y * z).  [back_rewrite(7738),rewrite([10318(15),2712(13),2228(10),2065(10),36(5)]),flip(a)].

10438 R(x,C',(C' * y) * z) = R(x,C',y * (z * C)).  [back_rewrite(7700),rewrite([10318(12),2228(10),87(14),10435(6)])].

11741 R(x,C',y * x) = R(x,y,C).  [para(6(a,1),1852(a,1,2)),rewrite([10435(5)]),flip(a)].

11782 R(x * y,C',x' * x') = R(x * y,C',x' * y).  [para(154(a,1),1852(a,1,2)),rewrite([10435(6),10435(12)])].

16898 (x * (C * y)) / y = R(C * x,y,C).  [para(2066(a,1),68(a,1)),rewrite([338(3),10(12)]),flip(a)].

16926 R(C * x,C',x * y) = R(C * x,x,y).  [back_rewrite(479),rewrite([16898(6),10435(5)])].

17370 R(x,C' * x,(x' * C) * y) = R(x,y,C).  [para(256(a,2),125(a,1,1,1)),rewrite([455(8),2718(9),12(8),36(7),1943(7),455(9)]),flip(a)].

18057 R(R(R(x,y,C),y,C),y,C) = x.  [para(6776(a,1),1685(a,1,1)),rewrite([409(3),1715(8),10(7),36(5),387(3),2720(8),1913(8)]),flip(a)].

18212 R(R(x,C,y),y,C) = x.  [para(10(a,1),8136(a,1,1,3)),rewrite([10435(6),2066(7)])].

18984 R(x',x / y,C)' = R(x,(x * y)',C).  [para(794(a,1),11741(a,1,3)),rewrite([2739(6)])].

19637 (C * (x * C)) / (C * (C * y)) = C' * ((C * x) / y).  [para(1100(a,1),408(a,1,2,2,2)),rewrite([16(4,R),113(15)])].

19638 (C * (C * x)) / (C * (C * y)) = C' * ((x * C) / y).  [para(1101(a,1),408(a,1,2,2,2)),rewrite([16(4,R),113(15)])].

19770 R(x,C,y * C) = R(x,y,C').  [back_rewrite(173),rewrite([19638(10),16(5,R),8910(6),10(8)]),flip(a)].

19891 R(x,y,C * C) = R(x,y,C').  [back_rewrite(10305),rewrite([19770(4)]),flip(a)].

20008 R(x,C,C * y) = R(x,y,C').  [back_rewrite(10304),rewrite([19891(8)])].

20165 R(x,C' * y,C') = R(x,C,y).  [para(7(a,1),19770(a,1,3)),rewrite([106(4)]),flip(a)].

20182 C * R(x,C,y) = R(C * x,y,C').  [back_rewrite(8944),rewrite([20165(7)])].

20184 R(x,C' * C',y) = R(x,C,y).  [back_rewrite(7626),rewrite([20165(12)])].

20212 R(x,C,C' * (y * (C' * z))) = R(x,C,(y * C) * z).  [back_rewrite(7689),rewrite([20184(9)]),flip(a)].

20257 R(x,C,C' * (y * (z * C'))) = R(x,C,(C * y) * z).  [para(248(a,1),20008(a,1,3)),rewrite([2096(14)]),flip(a)].

21126 R(R(R(x,C',y),y,C),y,C) = x.  [para(2695(a,2),18057(a,1,1,1))].

21130 R(R(x,y,C),y,C) = R(x,y,C').  [para(2168(a,1),18057(a,1,1,1))].

21132 R(R(x,y,C),y / x,C') = x.  [para(1852(a,1),18057(a,1,1,1)),rewrite([21130(8)])].

21133 R(x,C,C' * y) = R(x,y,C').  [para(8136(a,1),18057(a,1,1,1)),rewrite([21130(4)]),flip(a)].

21134 R(x,C,y) = R(x,y,C').  [para(18212(a,1),18057(a,1,1,1)),rewrite([21130(4)]),flip(a)].

21136 R(R(x,C',y),y,C') = x.  [back_rewrite(21126),rewrite([21130(7)])].

21146 C * (x' * ((C' * x) * y)) = R(y,x,C').  [back_rewrite(1913),rewrite([21130(12)])].

21150 R(x,y * (z * C'),C') = R(x,C,(C * y) * z).  [back_rewrite(20257),rewrite([21133(9)])].

21153 R(x,y * (C' * z),C') = R(x,C,(y * C) * z).  [back_rewrite(20212),rewrite([21133(9)])].

21190 C * R(x,y,C') = R(x * C,y,C').  [back_rewrite(8943),rewrite([21133(7)]),flip(a)].

21223 R(x,C * y,C') = R(x,y,C').  [back_rewrite(2096),rewrite([21133(10)])].

21392 R(x,C,y)' = R(x,y,C')'.  [para(21134(a,1),138(a,2,1)),rewrite([138(4)])].

21393 R(x',C,x * y) = R(x,y,C')'.  [para(21134(a,2),138(a,1))].

21396 R(x,C,x' * y) = R(x',y,C')'.  [para(21134(a,2),137(a,1))].

21399 R(x,C,y * C') = R(x,C,y).  [para(21134(a,1),3275(a,1)),rewrite([20165(6)]),flip(a)].

21428 R(x,C,(y * C) * z) = R(x,C,y * (C' * z)).  [para(1439(a,1),21133(a,1,3)),rewrite([20008(8),21153(7),2134(11)])].

21431 R(x,C,(C * y) * z) = R(x,C,y * (C' * z)).  [para(258(a,1),21133(a,1,3)),rewrite([21133(9),21150(7),21153(12),21428(10)])].

21469 R(x,y * z,C') = R(x,C,y * z).  [para(10(a,1),21431(a,2,3,2)),rewrite([100(6),20008(7),21223(6)])].

21500 R(x,y',C') = R(x,C,y').  [para(212(a,1),21431(a,1,3)),rewrite([423(5),36(7),423(10),423(14),3215(16),12(15),743(17),5513(14),5060(14),1

2(11),21133(12),21469(10),21133(9)]),flip(a)].

21591 R(R(x,y,C),C,y * x) = x.  [para(11741(a,1),21136(a,1,1)),rewrite([21469(6)])].

22846 R(C * (x * y),x',C') = x * (y * C).  [para(1110(a,1),21132(a,1,2)),rewrite([10435(7),2066(8),3948(5)])].

23162 R(x,y',C')' = R(x,C,y')'.  [para(21500(a,1),138(a,2,1)),rewrite([21469(6),21393(5)])].

23925 R(x' * C,x,y * C') = R(C' * x,C,y)'.  [para(21399(a,1),525(a,2,1)),rewrite([429(2),106(9)])].

23940 x / (y * (x * C')) = R(C' * y,C,x)'.  [back_rewrite(6935),rewrite([23925(7)]),flip(a)].

23959 R(C' * x,C,y')' = R(x' * C,y,C).  [back_rewrite(6529),rewrite([23940(7)])].

24291 R(x,y',C')' = R(x',y,C).  [para(800(a,1),135(a,1,1)),rewrite([1025(11,R),19637(12),1229(8),23959(9),3976(8),247(6,R),54(6),19891(8)]),f

lip(a)].

24361 R(x,C,y')' = R(x',y,C).  [back_rewrite(23162),rewrite([24291(5)]),flip(a)].

24382 R(x',y,C)' = R(x,C,y').  [para(24361(a,1),32(a,1,1))].

24383 R(x,C,y)' = R(x',y',C).  [para(32(a,1),24361(a,1,1,3))].

24484 R(x,(x * y)',C) = R(x,C,y / x).  [back_rewrite(18984),rewrite([24382(5),113(3)]),flip(a)].

24489 R(x,C',x' * y) = R(x,C,y').  [back_rewrite(2739),rewrite([24382(9)])].

24667 R(x,y,C')' = R(x',y',C).  [back_rewrite(21392),rewrite([24383(3)]),flip(a)].

24838 R(x,C,x' * y) = R(x,y',C).  [back_rewrite(21396),rewrite([24667(9),32(6)])].

24852 R(x,C,y / x) = R(x,C,y).  [para(138(a,1),24667(a,1,1)),rewrite([24667(4),24382(5),32(3),32(4),24484(6)]),flip(a)].

24871 R(x,C,y * x) = R(x,C,y).  [para(6(a,1),24852(a,1,3)),flip(a)].

24875 R(x' * y,C,x * y) = R(x' * y,C,x * x).  [para(161(a,1),24852(a,1,3)),flip(a)].

24911 R(R(x,C,y),y / x,C) = x.  [para(24852(a,1),18212(a,1,1))].

24937 R(x,C,(x * y)') = R(x,y,C).  [para(794(a,1),24871(a,1,3)),rewrite([24838(5),113(2),1852(3)]),flip(a)].

25025 R(x,R(y,x,C),C) = R(x,y,C).  [para(21591(a,1),24911(a,1,1)),rewrite([2081(4)])].

25035 R(x,y,C)' = R(x',C,y').  [para(32(a,1),24382(a,1,1,1))].

25607 R(C * x,(x * y)',C') = R(C * x,y,C).  [para(21(a,1),24937(a,1,3,1)),rewrite([423(9),423(9),21133(12),21469(10),21133(9),10435(13),1912(

14)])].

25620 R(x,((C * x) * y)',C') = R(x,y,C).  [para(903(a,2),24937(a,1,3,1)),rewrite([423(7),21133(9),10435(13),2066(14),10435(11),2066(12)])].

25633 R(x,(x * (x * y))',C') = R(x,C',x * (y * C)).  [para(208(a,2),24937(a,1,3,1)),rewrite([423(8),423(8),21133(11),21469(9),21133(8),10435(

13),2066(14),10435(11)])].

25644 R(x,(x * y)',C') = R(x,y,C).  [para(24937(a,1),21134(a,1)),flip(a)].

25655 R(x,C',x * (y * C)) = R(x,C',x * y).  [back_rewrite(25633),rewrite([25644(6),10435(3)]),flip(a)].

25763 R(x,R(y,C,x),C) = R(x,y,C).  [para(18212(a,1),25025(a,1,2)),flip(a)].

25770 R(x / y,R(y,C,x),C) = R(x / y,y,C).  [para(24911(a,1),25025(a,1,2)),flip(a)].

26472 R(x,C',R(C * y,z,C)) = R(x,R(y,z,C),C).  [para(1911(a,1),2066(a,1,3))].

26571 R(x,y,C) * R(y,x,C) = x * y.  [para(2081(a,1),7(a,1,1))].

26805 R(x,((C * y) * z)',C') = R(x,C,((y * C) * z)').  [para(2292(a,1),21500(a,2,3))].

26813 R(x,C,((x * C) * y)') = R(x,y,C).  [back_rewrite(25620),rewrite([26805(7)])].

26971 C * (x' * R(y,x,C)) = (C * x') * y.  [para(32(a,1),550(a,1,2,2,2,2,1,2)),rewrite([1938(10)])].

26999 R(x,C',y * y) = R(x,y,C').  [back_rewrite(7782),rewrite([26971(10),906(8),106(4),1666(7),21146(8)]),flip(a)].

27056 R(x * y,C',x' * y) = R(x * y,x',C').  [back_rewrite(11782),rewrite([26999(7)]),flip(a)].

27072 (C * (x * (y * y))) / (y * (y * C)) = R(x,y,C').  [back_rewrite(7778),rewrite([26999(12)])].

27240 R(R(x,y,C'),y,C') = R(x,y,C).  [para(3626(a,1),19770(a,1)),rewrite([10435(4),1912(5),21469(7),19770(6)]),flip(a)].

28831 R(x',C,y') * (x * (y * C)) = R(C * y,x,C).  [para(25025(a,1),589(a,1,1,1)),rewrite([25035(3),16(9,R),2330(9),16(12,R),1911(12)])].

28978 R(x,C,y * y) = R(x,y,C).  [para(21130(a,1),79(a,2)),rewrite([10435(3),26999(4),16(7,R),27072(11),27240(6),21469(6)]),flip(a)].

29017 R(x' * y,C,x * y) = R(x' * y,x,C).  [back_rewrite(24875),rewrite([28978(10)])].

31455 R(x * y,y,C) = x * R(y,C,x).  [para(18212(a,1),26571(a,1,2)),rewrite([25763(4),3950(3)])].

31464 (x / y) * R(y,C,x) = R(x,y,C).  [para(24911(a,1),26571(a,1,2)),rewrite([25770(5),3950(4),7(2)]),flip(a)].

32868 R(x,C' * x,y) = R(x,C',x * y).  [para(636(a,1),125(a,1,1)),rewrite([32(6),1478(10),6038(10),81(10),32(9),2066(13),10435(10),10438(11),2

5655(10)])].

32879 R(x,R(y,x',C),C) = R(x,y,C).  [back_rewrite(17370),rewrite([32868(8),6545(7),26472(8)])].

33276 x * R(x' * y,y,C) = R(y,C,x').  [para(31455(a,2),36(a,1,2))].

33439 x * R(y,x,C) = R(x * y,C,x').  [para(10(a,1),33276(a,1,2,1)),rewrite([10435(3),11741(4)])].

33459 R(x,y,C) * R(z,y',C') = R(x * z,y,C).  [para(33276(a,1),1685(a,1,2)),rewrite([423(6),21133(8),423(11),5044(15),36(14),36(10)])].

33585 x * R(y,C,x') = R(x * y,x',C').  [para(161(a,1),31464(a,1,1)),rewrite([29017(6),12(6),33439(5),36(3),10435(9),27056(10)])].

34334 R(x,R(y,C,x'),C) = R(x,y,C).  [para(18212(a,1),32879(a,1,2)),flip(a)].

35651 R(C * x,y',C') = R(C * x,y,C).  [para(34334(a,1),589(a,1,1,1)),rewrite([25035(3),33585(8),16(11,R),21190(11),16(7,R),22846(11),28831(8)

,16(9,R),20182(9)]),flip(a)].

35725 R(C * x,y,C) = R(C * x,x,y).  [back_rewrite(25607),rewrite([35651(7),10435(5),16926(6)]),flip(a)].

36193 R(x,C',x * y) = R(x,y,C).  [para(36(a,1),35725(a,1,1)),rewrite([36(7),32868(6)]),flip(a)].

36319 R(x,C',y) = R(x,C,y').  [para(36(a,1),36193(a,1,3)),rewrite([10435(7),24489(8)])].

36323 R(x,y',C') = R(x,y,C).  [para(903(a,2),36193(a,1,3)),rewrite([36319(8),423(7),21133(9),26805(7),26813(6),10435(8),36319(9),423(8),423(8

),21133(11),21469(9),21133(8)]),flip(a)].

37204 R(x,y,C) * R(z,y,C) = R(x * z,y,C).  [back_rewrite(33459),rewrite([36323(6)])].

37205 $F.  [resolve(37204,a,20,a)].

 

============================== end of proof ==========================

 

% Proof 1 at 25494.35 (+ 146.70) seconds.

% Length of proof is 2171.

% Level of proof is 140.

% Maximum clause weight is 1015.000.

% Given clauses 151083.

 

1 R(x * y,A,C) = R(x,A,C) * R(y,A,C) # label(non_clause) # label(goal).  [goal].

2 0 * x = x.  [assumption].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 A * ((x * y) * A) = (A * x) * (y * A).  [assumption].

15 (A * x) * (y * A) = A * ((x * y) * A).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 R(x,y,z) = ((x * y) * z) / (y * z).  [assumption].

18 ((x * y) * z) / (y * z) = R(x,y,z).  [copy(17),flip(a)].

19 R(c1 * c2,A,C) != R(c1,A,C) * R(c2,A,C).  [deny(1)].

20 R(c1,A,C) * R(c2,A,C) != R(c1 * c2,A,C).  [copy(19),flip(a)].

23 x / x = 0.  [para(2(a,1),6(a,1,1))].

24 x / 0 = x.  [para(3(a,1),6(a,1,1))].

27 0' = 0.  [para(8(a,1),3(a,1)),flip(a)].

29 0 / x = x'.  [para(8(a,1),6(a,1,1))].

31 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([29(3)])].

32 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

33 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

35 x * (x' * y) = y.  [back_rewrite(4),rewrite([32(1)])].

36 (x * (x * y)) / y = x * x.  [para(12(a,1),6(a,1,1))].

40 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

41 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

42 x * (y * (x * (x * (y * x))')) = 0.  [para(13(a,1),9(a,1))].

46 (x * (y * (y * x))) * z = x * (y * (y * (x * z))).  [para(12(a,1),13(a,1,1,2)),rewrite([12(7)])].

48 (x * (y * (z * (y * x)))) * u = x * (y * (z * (y * (x * u)))).  [para(13(a,1),13(a,1,1,2)),rewrite([13(9)])].

50 (A * x) * A = A * (x * A).  [para(2(a,1),15(a,1,2)),rewrite([3(7)])].

51 (A * ((x * y) * A)) / (y * A) = A * x.  [para(15(a,1),6(a,1,1))].

54 A * ((A' * x) * A) = x * A.  [para(9(a,1),15(a,1,1)),rewrite([2(4)]),flip(a)].

58 ((x * A) * (A * ((y * x) * A))) * z = (x * A) * ((A * y) * ((x * A) * z)).  [para(15(a,1),13(a,1,1,2))].

60 (A * x) * (y * (z * (y * A))) = A * ((x * (y * (z * y))) * A).  [para(13(a,1),15(a,1,2))].

61 (x * C) / x = C.  [para(16(a,1),6(a,1,1))].

63 C * (x / C) = x.  [para(16(a,2),7(a,1))].

64 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

65 x' * (C * x) = C.  [para(16(a,2),10(a,1,2))].

66 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

67 C * (x * x) = x * (x * C).  [para(16(a,2),12(a,1))].

68 C * (x * x) = x * (C * x).  [para(16(a,2),12(a,2,2)),rewrite([16(3,R)])].

69 (x * (x * C)) * y = x * (C * (x * y)).  [para(16(a,1),13(a,1,1,2))].

70 C * (x * (C * y)) = C * (x * (y * C)).  [para(16(a,1),13(a,2,2,2)),rewrite([13(5)])].

71 (C * (C * x)) * y = C * (x * (C * y)).  [para(16(a,2),13(a,1,1,2))].

72 C * (x * (y * x)) = x * (y * (x * C)).  [para(16(a,2),13(a,1))].

73 C * (x * (y * x)) = x * (y * (C * x)).  [para(16(a,2),13(a,2,2,2)),rewrite([16(4,R)])].

74 (A * x) * (A * C) = A * ((x * C) * A).  [para(16(a,1),15(a,1,2))].

76 R(0,x,y) = 0.  [para(2(a,1),18(a,1,1,1)),rewrite([23(3)]),flip(a)].

77 R(x,0,y) = x.  [para(2(a,1),18(a,1,2)),rewrite([3(2),6(2)]),flip(a)].

78 R(x,y,0) = x.  [para(3(a,1),18(a,1,1)),rewrite([3(3),6(2)]),flip(a)].

79 R(x,y,z) * (y * z) = (x * y) * z.  [para(18(a,1),7(a,1,1))].

80 R(x / y,y,z) = (x * z) / (y * z).  [para(7(a,1),18(a,1,1,1)),flip(a)].

81 ((x * (y / z)) * z) / y = R(x,y / z,z).  [para(7(a,1),18(a,1,2))].

82 R(x',x,y) = x'.  [para(8(a,1),18(a,1,1,1)),rewrite([2(2),33(2)]),flip(a)].

83 (x * y') * y = R(x,y',y).  [para(8(a,1),18(a,1,2)),rewrite([24(5)])].

84 R(x,x',y) = x.  [para(9(a,1),18(a,1,1,1)),rewrite([2(2),33(3),31(2)]),flip(a)].

85 R(x,y,(x * y)') = (y * (x * y)')'.  [para(9(a,1),18(a,1,1)),rewrite([29(5)]),flip(a)].

86 (x * y) * y' = R(x,y,y').  [para(9(a,1),18(a,1,2)),rewrite([24(5)])].

87 R(x',x * y,z) = (y * z) / ((x * y) * z).  [para(10(a,1),18(a,1,1,1)),flip(a)].

88 ((x * y') * (y * z)) / z = R(x,y',y * z).  [para(10(a,1),18(a,1,2))].

89 ((x * (x * y)) * z) / (y * z) = R(x * x,y,z).  [para(12(a,1),18(a,1,1,1))].

90 R(x,x,y) = x.  [para(12(a,1),18(a,1,1)),rewrite([6(4)]),flip(a)].

91 ((x * (y * y)) * z) / (y * (y * z)) = R(x,y * y,z).  [para(12(a,1),18(a,1,2))].

92 ((x * (y * (x * z))) * u) / (z * u) = R(x * (y * x),z,u).  [para(13(a,1),18(a,1,1,1))].

93 (x * (y * (x * z))) / ((y * x) * z) = R(x,y * x,z).  [para(13(a,1),18(a,1,1))].

94 ((x * (y * (z * y))) * u) / (y * (z * (y * u))) = R(x,y * (z * y),u).  [para(13(a,1),18(a,1,2))].

95 (A * ((x * y) * (A * z))) / ((y * A) * z) = R(A * x,y * A,z).  [para(15(a,1),18(a,1,1,1)),rewrite([13(6)])].

96 (A * ((x * y) * A)) / (x * (y * A)) = R(A,x,y * A).  [para(15(a,1),18(a,1,1))].

97 ((x * (A * y)) * (z * A)) / (A * ((y * z) * A)) = R(x,A * y,z * A).  [para(15(a,1),18(a,1,2))].

98 ((x * C) * y) / (x * y) = R(C,x,y).  [para(16(a,1),18(a,1,1,1))].

101 (C * (x * y)) / (y * C) = R(x,y,C).  [para(16(a,2),18(a,1,1))].

102 (C * (x * y)) / (C * y) = R(x,y,C).  [para(16(a,2),18(a,1,2)),rewrite([16(3,R)])].

106 (x * (y * (x * C))) / (x * (y * x)) = C.  [para(13(a,1),61(a,1,1))].

107 x / C = C' * x.  [para(63(a,1),10(a,1,2)),flip(a)].

111 x' * C = C * x'.  [para(16(a,2),32(a,2)),rewrite([32(2)])].

112 (x / y)' = y / x.  [para(7(a,1),33(a,1,2)),flip(a)].

114 x / (y * (z * (y * x))) = (y * (z * y))'.  [para(13(a,1),33(a,1,2))].

116 x / (x * C) = C'.  [para(16(a,1),33(a,1,2))].

117 C / (C * x) = x'.  [para(16(a,2),33(a,1,2))].

121 A * (((A' * x) * y) * A) = x * (y * A).  [para(35(a,1),15(a,1,1)),flip(a)].

123 x * (C * x') = C.  [para(16(a,2),35(a,1,2))].

124 R(x,x' * y,z) = (y * z) / ((x' * y) * z).  [para(35(a,1),18(a,1,1,1)),flip(a)].

125 R(x,y,(x * y)' * z) = z / (y * ((x * y)' * z)).  [para(35(a,1),18(a,1,1)),flip(a)].

126 ((x * y) * (y' * z)) / z = R(x,y,y' * z).  [para(35(a,1),18(a,1,2))].

130 C' * (x * (y * (x * C))) = x * (y * x).  [para(13(a,1),64(a,1,2))].

131 (x * y) / ((x * C) * y) = R(C',x * C,y).  [para(64(a,1),18(a,1,1,1))].

132 ((x * C') * (y * C)) / y = R(x,C',y * C).  [para(64(a,1),18(a,1,2))].

135 C' * ((x * y') * (C * y)) = R(x,y',C * y).  [para(65(a,1),18(a,1,2)),rewrite([107(7)])].

137 (x / y) * (y / x) = 0.  [para(112(a,1),8(a,1,1))].

138 (x / y) * ((y / x) * z) = z.  [para(112(a,1),10(a,1,1))].

139 (x * y) / ((z * x) * y) = R(z,x,y)'.  [para(18(a,1),112(a,1,1)),flip(a)].

141 (C' * x)' = C / x.  [para(107(a,1),112(a,1,1))].

142 R(x,x' * y,z) = R(x',y,z)'.  [back_rewrite(124),rewrite([139(8)])].

143 R(x',x * y,z) = R(x,y,z)'.  [back_rewrite(87),rewrite([139(7)])].

147 A * (((C * A') * x) * A) = C * (x * A).  [para(123(a,1),15(a,1,1)),flip(a)].

150 C' * ((x * y) * (C * y')) = R(x,y,C * y').  [para(123(a,1),18(a,1,2)),rewrite([107(7)])].

157 (C' * x) * (C / x) = 0.  [para(141(a,1),9(a,1,2))].

158 (C / x) * ((C' * x) * y) = y.  [para(141(a,1),10(a,1,1))].

159 (C' * x) * ((C / x) * y) = y.  [para(141(a,1),35(a,1,2,1))].

161 ((x / y) * x) / y = (x / y) * (x / y).  [para(7(a,1),36(a,1,1,2))].

162 x' / x = x' * x'.  [para(8(a,1),36(a,1,1,2)),rewrite([3(3)])].

163 x / x' = x * x.  [para(9(a,1),36(a,1,1,2)),rewrite([3(2)])].

168 (A * (x * (A * (x * A)))) / A = (A * x) * (A * x).  [para(15(a,1),36(a,1,1)),rewrite([13(6)])].

170 C' * (x * (C * x)) = x * x.  [para(16(a,2),36(a,1,1,2)),rewrite([107(5)])].

175 (x * x)' = x' * x'.  [para(163(a,1),112(a,1,1)),rewrite([162(4)])].

187 (A * x)' * (A * (x * A)) = A.  [para(50(a,1),10(a,1,2))].

190 (A * x) * (A * (y * A)) = A * ((x * (A * y)) * A).  [para(50(a,1),15(a,1,2))].

192 R(A,x,A) = A.  [para(50(a,1),18(a,1,1)),rewrite([6(7)]),flip(a)].

193 ((x * (A * y)) * A) / (A * (y * A)) = R(x,A * y,A).  [para(50(a,1),18(a,1,2))].

194 A / (A * (x * A)) = (A * x)'.  [para(50(a,1),33(a,1,2))].

197 R(C,x,C) = C.  [para(66(a,2),6(a,1,1)),rewrite([101(7)])].

203 (C * (x * (C * y))) / ((C * x) * y) = R(C,C * x,y).  [para(66(a,1),18(a,1,1,1)),rewrite([13(5)])].

210 (C * x)' = (x * C)'.  [para(66(a,1),117(a,1,2)),rewrite([117(6)]),flip(a)].

214 (C * x)' * (x * C) = 0.  [para(210(a,2),8(a,1,1))].

215 (C * x) * (x * C)' = 0.  [para(210(a,1),9(a,1,2))].

217 (x * C)' * ((C * x) * y) = y.  [para(210(a,1),10(a,1,1))].

218 (C * x)' * ((x * C) * y) = y.  [para(210(a,2),10(a,1,1))].

233 (C * (C * x))' = (C * (x * C))'.  [para(66(a,1),210(a,1,1)),rewrite([16(9,R)]),flip(a)].

235 C * (x * ((C * x)' * x)) = x.  [para(214(a,1),13(a,2,2)),rewrite([16(7,R),3(9)])].

248 C * (x * (C * (y * y))) = C * (x * (y * (y * C))).  [para(67(a,1),13(a,2,2,2)),rewrite([13(6)])].

256 (x * (C * (x * y))) / (x * (x * y)) = R(C,x * x,y).  [para(67(a,1),18(a,1,1,1)),rewrite([69(4),12(6)])].

264 x * (C * (x' * x')) = x' * C.  [para(67(a,2),35(a,1,2))].

266 (x * (C * (x * x))) / (x * C) = x * x.  [para(67(a,2),36(a,1,1,2))].

274 (C * (x * x)) * y = x * (C * (x * y)).  [para(68(a,2),13(a,1,1))].

284 (x * C) * (C * (C * x)) = C * ((x * C) * (x * C)).  [para(66(a,2),68(a,2,2)),flip(a)].

285 (C * (x * x))' = (x * (C * x))'.  [para(68(a,1),210(a,1,1)),rewrite([16(7,R)]),flip(a)].

304 (A' * x) * A = A' * (x * A).  [para(54(a,1),10(a,1,2)),flip(a)].

307 R(x,A',A) = x.  [para(13(a,1),54(a,1,2)),rewrite([8(7),3(5),35(5),83(5)]),flip(a)].

308 R(x,y',y) / y = x * y'.  [para(83(a,1),6(a,1,1))].

311 (x * (x * y')) * y = R(x * x,y',y).  [para(12(a,1),83(a,1,1))].

312 x * ((y * x') * (x * z)) = (x * R(y,x',x)) * z.  [para(83(a,1),13(a,1,1,2)),flip(a)].

313 (x * (y * (x * z'))) * z = R(x * (y * x),z',z).  [para(13(a,1),83(a,1,1))].

314 A * ((x * (y * A')) * A) = (A * x) * y.  [para(83(a,1),15(a,1,2)),rewrite([307(6)]),flip(a)].

316 C * (x * C') = R(x,C',C).  [para(83(a,1),16(a,2))].

318 (R(x,y',y) * z) / (y * z) = R(x * y',y,z).  [para(83(a,1),18(a,1,1,1))].

319 ((x * (y * z')) * z) / R(y,z',z) = R(x,y * z',z).  [para(83(a,1),18(a,1,2))].

321 x / R(y,x',x) = (y * x')'.  [para(83(a,1),33(a,1,2))].

324 (x * (C / y)) * (C' * y) = R(x,C / y,C' * y).  [para(141(a,1),83(a,1,1,2)),rewrite([141(11)])].

332 R(x,y,y') / y' = x * y.  [para(86(a,1),6(a,1,1))].

334 (x * y)' * R(x,y,y') = y'.  [para(86(a,1),10(a,1,2))].

335 (x * (x * y)) * y' = R(x * x,y,y').  [para(12(a,1),86(a,1,1))].

337 x * (y * (x * (y * x)')) = R(x,y * x,(y * x)').  [para(86(a,1),13(a,1)),flip(a)].

338 (x * (y * (x * z))) * z' = R(x * (y * x),z,z').  [para(13(a,1),86(a,1,1))].

340 (x * C) * x' = R(C,x,x').  [para(16(a,1),86(a,1,1))].

341 (C * x) * C' = R(x,C,C').  [para(16(a,2),86(a,1,1))].

343 ((x * (y * z)) * z') / R(y,z,z') = R(x,y * z,z').  [para(86(a,1),18(a,1,2))].

352 C * (x * (C * (C * x)')) = R(C,C * x,(C * x)').  [para(66(a,1),86(a,1,1)),rewrite([13(8)])].

353 (x * (C * y)) * (y * C)' = R(x,C * y,(C * y)').  [para(210(a,1),86(a,1,2))].

365 R((A * x)',A * (x * A),y) = (A * y) / (A * (x * (A * y))).  [para(187(a,1),18(a,1,1,1)),rewrite([13(7)]),flip(a)].

372 (C * x) * y = (x * C) * y.  [para(217(a,1),10(a,1,2)),rewrite([31(4)]),flip(a)].

391 ((C * x) * (y * (x * C))) * z = (x * C) * (y * ((x * C) * z)).  [para(372(a,2),13(a,1,1))].

396 R(C * x,y,z) = R(x * C,y,z).  [para(372(a,1),18(a,1,1,1)),rewrite([18(6)]),flip(a)].

397 ((x * (C * y)) * z) / ((y * C) * z) = R(x,C * y,z).  [para(372(a,1),18(a,1,2))].

398 ((x * (y * C)) * z) / ((C * y) * z) = R(x,y * C,z).  [para(372(a,2),18(a,1,2))].

400 ((x * C) * ((C * x) * y)) / y = (C * x) * (C * x).  [para(372(a,1),36(a,1,1))].

401 (C * x) * (C * x) = (x * C) * (x * C).  [para(372(a,2),36(a,1,1,2)),rewrite([400(7)])].

411 R((C * x)',(x * C) * y,z) = R(x * C,y,z)'.  [para(218(a,1),18(a,1,1,1)),rewrite([139(6)]),flip(a)].

412 ((x * (C * y)') * ((y * C) * z)) / z = R(x,(C * y)',(y * C) * z).  [para(218(a,1),18(a,1,2))].

415 (C * x)' * R(x,C,C') = C'.  [para(86(a,1),218(a,1,2))].

418 C * (x * (x * ((C * (x * x))' * (x * x)))) = x * x.  [para(12(a,1),235(a,1,2))].

419 C * (x * (y * (x * ((C * (x * (y * x)))' * (x * (y * x)))))) = x * (y * x).  [para(13(a,1),235(a,1,2))].

430 R(x,C / y,C' * y) / (C' * y) = x * (C / y).  [para(141(a,1),308(a,1,1,2)),rewrite([141(14)])].

433 x * (C * y)' = x * (y * C)'.  [para(210(a,1),308(a,2,2)),rewrite([308(9)])].

434 R(x,(C * y)',y * C) / (y * C) = x * (y * C)'.  [para(210(a,2),308(a,1,1,2))].

435 x / A = x * A'.  [para(307(a,1),308(a,1,1))].

437 (A * x) * (A * x) = A * (x * (A * x)).  [back_rewrite(168),rewrite([435(9),48(10),9(6),3(4)]),flip(a)].

439 R(x,A,A') = x.  [para(435(a,1),6(a,1)),rewrite([86(5)])].

440 (x * A')' = A / x.  [para(435(a,1),112(a,1,1))].

441 C * (x * (x * C')) = R(x * x,C',C).  [para(12(a,1),316(a,1,2))].

443 C * (x * (y * (x * C'))) = R(x * (y * x),C',C).  [para(13(a,1),316(a,1,2))].

444 (R(x,C',C) * y) / ((x * C') * y) = R(C,x * C',y).  [para(316(a,1),18(a,1,1,1))].

452 R(x,C,C') / (x * C') = R(C,x,C').  [para(341(a,1),18(a,1,1))].

453 ((x * (C * y)) * C') / R(y,C,C') = R(x,C * y,C').  [para(341(a,1),18(a,1,2))].

454 R(C' * x,C,C') = x * C'.  [para(35(a,1),341(a,1,1)),flip(a)].

455 ((C * x) * R(x,C,C')) / C' = (C * x) * (C * x).  [para(341(a,1),36(a,1,1,2))].

456 R(C * x,C,C') = C * x.  [para(66(a,1),341(a,1,1)),rewrite([13(7),9(5),3(3)]),flip(a)].

458 R(x,C,C') = x.  [para(35(a,1),456(a,1,1)),rewrite([35(9)])].

460 ((C * x) * x) / C' = (C * x) * (C * x).  [back_rewrite(455),rewrite([458(6)])].

461 C' * x = x * C'.  [back_rewrite(454),rewrite([458(7)])].

462 (C' * (x * (C * y))) / y = R(x,C * y,C').  [back_rewrite(453),rewrite([461(6,R),458(10)])].

463 x / (x * C') = R(C,x,C').  [back_rewrite(452),rewrite([458(4)])].

466 (C * x)' * x = C'.  [back_rewrite(415),rewrite([458(7)])].

467 R(x * (y * x),C',C) = x * (y * x).  [back_rewrite(419),rewrite([466(9),443(7)])].

468 R(x * x,C',C) = x * x.  [back_rewrite(418),rewrite([466(7),441(6)])].

469 C * (x * (y * (x * C'))) = x * (y * x).  [back_rewrite(443),rewrite([467(13)])].

470 C * (x * (x * C')) = x * x.  [back_rewrite(441),rewrite([468(11)])].

471 (x * C') / x = C'.  [para(461(a,1),6(a,1,1))].

474 R(x,C',C) = x.  [para(461(a,1),10(a,1,2)),rewrite([31(3),316(5)])].

475 x' * (C' * x) = C'.  [para(461(a,2),10(a,1,2))].

477 C' * (x * x) = x * (x * C').  [para(461(a,2),12(a,1))].

479 (x * (x * C')) * y = x * (C' * (x * y)).  [para(461(a,1),13(a,1,1,2))].

481 (C' * (C' * x)) * y = C' * (x * (C' * y)).  [para(461(a,2),13(a,1,1,2))].

482 C' * (x * (y * x)) = x * (y * (x * C')).  [para(461(a,2),13(a,1))].

483 C' * (x * (y * x)) = x * (y * (C' * x)).  [para(461(a,2),13(a,2,2,2)),rewrite([461(5,R)])].

484 (A * x) * (A * C') = A * ((x * C') * A).  [para(461(a,1),15(a,1,2))].

486 ((x * C') * y) / (x * y) = R(C',x,y).  [para(461(a,1),18(a,1,1,1))].

489 (C' * (x * y)) / (y * C') = R(x,y,C').  [para(461(a,2),18(a,1,1))].

490 (C' * (x * y)) / (C' * y) = R(x,y,C').  [para(461(a,2),18(a,1,2)),rewrite([461(4,R)])].

491 R(C,x,C') = C.  [para(461(a,1),33(a,1,2)),rewrite([463(4),31(7)])].

492 C' / (C' * x) = x'.  [para(461(a,2),33(a,1,2))].

493 x * (C' * x') = C'.  [para(461(a,2),35(a,1,2))].

494 (x * C')' = C / x.  [para(461(a,1),141(a,1,1))].

498 (x * C') * x' = R(C',x,x').  [para(461(a,1),86(a,1,1))].

504 (x * y) / ((x * C') * y) = R(C,x * C',y).  [back_rewrite(444),rewrite([474(4)])].

507 C * (x * C') = x.  [back_rewrite(316),rewrite([474(9)])].

508 x / (x * C') = C.  [back_rewrite(463),rewrite([491(8)])].

509 (C * x)' = C' / x.  [para(466(a,1),6(a,1,1)),flip(a)].

517 R(x,C' / y,y * C) / (y * C) = x * (y * C)'.  [back_rewrite(434),rewrite([509(3)])].

518 x * (y * C)' = x * (C' / y).  [back_rewrite(433),rewrite([509(3)]),flip(a)].

522 ((x * (C' / y)) * ((y * C) * z)) / z = R(x,C' / y,(y * C) * z).  [back_rewrite(412),rewrite([509(3),509(12)])].

523 R(C' / x,(x * C) * y,z) = R(x * C,y,z)'.  [back_rewrite(411),rewrite([509(3)])].

532 (x * (C * y)) * (C' / y) = R(x,C * y,C' / y).  [back_rewrite(353),rewrite([518(7),509(12)])].

533 C * (x * (C * (C' / x))) = R(C,C * x,C' / x).  [back_rewrite(352),rewrite([509(5),509(14)])].

539 (x * (C * x))' = C' / (x * x).  [back_rewrite(285),rewrite([509(4)]),flip(a)].

547 C' / (C * x) = C' / (x * C).  [back_rewrite(233),rewrite([509(5),509(10)])].

556 (C' / x) * ((x * C) * y) = y.  [back_rewrite(218),rewrite([509(3)])].

559 (x * C)' = C' / x.  [back_rewrite(210),rewrite([509(3)]),flip(a)].

561 R(x,C' / y,y * C) / (y * C) = x * (C' / y).  [back_rewrite(517),rewrite([559(12)])].

569 (C * x) * (C' / x) = 0.  [back_rewrite(215),rewrite([559(5)])].

578 (C' / x) * ((C * x) * y) = y.  [back_rewrite(217),rewrite([559(3)])].

590 (x * (x * C'))' = C / (x * x).  [para(12(a,1),494(a,1,1))].

599 x / C' = C * x.  [para(509(a,1),31(a,1,1)),rewrite([112(4)])].

600 (C * x) * (C * x) = C * ((C * x) * x).  [back_rewrite(460),rewrite([599(6)]),flip(a)].

604 (x * C) * (x * C) = C * ((C * x) * x).  [back_rewrite(401),rewrite([600(5)]),flip(a)].

609 (x * C) * (C * (C * x)) = C * (C * ((C * x) * x)).  [back_rewrite(284),rewrite([604(13)])].

617 C * ((x * y) * (C' * y')) = R(x,y,C' * y').  [para(493(a,1),18(a,1,2)),rewrite([599(9)])].

625 R(x / y,y,z) = R(y / x,x,z)'.  [para(7(a,1),143(a,1,2)),rewrite([112(2)])].

628 R((A * x)',A * ((x * y) * A),z) = R(A * x,y * A,z)'.  [para(15(a,1),143(a,1,2))].

629 R(C',x * C,y) = R(C,x,y)'.  [para(16(a,1),143(a,1,2))].

634 R(C / x,(C' * x) * y,z) = R(C' * x,y,z)'.  [para(141(a,1),143(a,1,1))].

635 R((A * x)',A * (x * A),y) = R(A * x,A,y)'.  [para(50(a,1),143(a,1,2))].

643 R(C * x,y,z)' = R(x * C,y,z)'.  [para(372(a,1),143(a,1,2)),rewrite([509(3),523(7)]),flip(a)].

644 R(C,x * C',y) = R(C',x,y)'.  [para(461(a,1),143(a,1,2)),rewrite([31(3)])].

646 R(C / x,(x * C') * y,z) = R(x * C',y,z)'.  [para(494(a,1),143(a,1,1))].

649 (x * y) / ((x * C) * y) = R(C,x,y)'.  [back_rewrite(131),rewrite([629(10)])].

653 (A * x) / (A * (y * (A * x))) = R(A * y,A,x)'.  [back_rewrite(365),rewrite([635(8)]),flip(a)].

654 (x * y) / ((x * C') * y) = R(C',x,y)'.  [back_rewrite(504),rewrite([644(11)])].

676 x * (y * (y * (x * y))') = y'.  [para(42(a,1),10(a,1,2)),rewrite([3(3)]),flip(a)].

709 x * (x * (y * x))' = y' * x'.  [para(676(a,1),10(a,1,2)),flip(a)].

750 R(x,y / z,z) * y = (x * (y / z)) * z.  [para(7(a,1),79(a,1,2))].

751 R(x,y,z)' * ((x * y) * z) = y * z.  [para(79(a,1),10(a,1,2))].

752 R(x,y',y * z) * z = (x * y') * (y * z).  [para(10(a,1),79(a,1,2))].

753 R(x,y * y,z) * (y * (y * z)) = (x * (y * y)) * z.  [para(12(a,1),79(a,1,2))].

754 (x * y) * (R(z,x,y) * ((x * y) * u)) = ((x * y) * ((z * x) * y)) * u.  [para(79(a,1),13(a,1,1,2)),flip(a)].

757 R(x,C,y) * (y * C) = (x * C) * y.  [para(16(a,1),79(a,1,2))].

758 R(x,y,C) * (C * y) = C * (x * y).  [para(16(a,2),79(a,1,2)),rewrite([16(8,R)])].

759 (((x * y) * z) * u) / ((y * z) * u) = R(R(x,y,z),y * z,u).  [para(79(a,1),18(a,1,1,1))].

760 ((x * R(y,z,u)) * (z * u)) / ((y * z) * u) = R(x,R(y,z,u),z * u).  [para(79(a,1),18(a,1,2))].

761 R(x,y,y' * z) * z = (x * y) * (y' * z).  [para(35(a,1),79(a,1,2))].

768 (R(x,y,z) * ((x * y) * z)) / (y * z) = R(x,y,z) * R(x,y,z).  [para(79(a,1),36(a,1,1,2))].

769 R(x,A * y,A) * (A * (y * A)) = (x * (A * y)) * A.  [para(50(a,1),79(a,1,2))].

779 R(R(x,y,z),y * z,(y * z)') = ((x * y) * z) * (y * z)'.  [para(79(a,1),86(a,1,1)),flip(a)].

780 R(x,y * z,z') * R(y,z,z') = (x * (y * z)) * z'.  [para(86(a,1),79(a,1,2))].

783 R(x,C * y,z) * ((y * C) * z) = (x * (C * y)) * z.  [para(372(a,1),79(a,1,2))].

786 R(x,C',y) * (y * C') = (x * C') * y.  [para(461(a,1),79(a,1,2))].

787 (C' * x) * y = (x * C') * y.  [para(461(a,1),79(a,2,1)),rewrite([79(5)])].

788 R(x,y,C') * (C' * y) = C' * (x * y).  [para(461(a,2),79(a,1,2)),rewrite([461(11,R)])].

791 R(x,R(y,z,u),z * u) * ((y * z) * u) = (x * R(y,z,u)) * (z * u).  [para(79(a,1),79(a,1,2))].

796 (C' * (x * x)) * y = x * (C' * (x * y)).  [para(12(a,1),787(a,2,1)),rewrite([479(10)])].

805 R(C' * x,y,z) = R(x * C',y,z).  [para(787(a,1),18(a,1,1,1)),rewrite([18(7)]),flip(a)].

806 ((x * (C' * y)) * z) / ((y * C') * z) = R(x,C' * y,z).  [para(787(a,1),18(a,1,2))].

807 ((x * (y * C')) * z) / ((C' * y) * z) = R(x,y * C',z).  [para(787(a,2),18(a,1,2))].

822 R(x,C' * y,z) * ((y * C') * z) = (x * (C' * y)) * z.  [para(787(a,1),79(a,1,2))].

825 R((x / y) / z,z,y) = x / (z * y).  [para(7(a,1),80(a,2,1))].

826 R(x / (y / z),y / z,z) = (x * z) / y.  [para(7(a,1),80(a,2,2))].

829 R(x' / y,y,x * z) = z / (y * (x * z)).  [para(10(a,1),80(a,2,1))].

830 R(x / y',y',y * z) = (x * (y * z)) / z.  [para(10(a,1),80(a,2,2))].

831 R((x * x) / y,y,z) = (x * (x * z)) / (y * z).  [para(12(a,1),80(a,2,1))].

832 R(x / (y * y),y * y,z) = (x * z) / (y * (y * z)).  [para(12(a,1),80(a,2,2))].

838 (x * y) / (y * C) = R(C' * x,C,y).  [para(16(a,1),80(a,2,2)),rewrite([107(2)]),flip(a)].

839 R(x / y,y,C) = (C * x) / (y * C).  [para(16(a,2),80(a,2,1))].

842 R(x / y,y,y' * z) = (x * (y' * z)) / z.  [para(35(a,1),80(a,2,2))].

843 R(C' / x,x,y * C) = y / (x * (y * C)).  [para(64(a,1),80(a,2,1))].

844 R(C * x,C',y * C) = (x * (y * C)) / y.  [para(64(a,1),80(a,2,2)),rewrite([599(3)])].

846 R(x / y',y',C * y) = C' * (x * (C * y)).  [para(65(a,1),80(a,2,2)),rewrite([107(11)])].

847 (x * y) / (C * y) = R(C' * x,C,y).  [para(107(a,1),80(a,1,1)),flip(a)].

848 R(x / y,y,z)' = (y * z) / (x * z).  [para(80(a,2),112(a,1,1))].

850 R(x / y,y,C * y') = C' * (x * (C * y')).  [para(123(a,1),80(a,2,2)),rewrite([107(11)])].

853 R((A * x) / y,y,A) = (A * (x * A)) / (y * A).  [para(50(a,1),80(a,2,1))].

854 R(x / (A * y),A * y,A) = (x * A) / (A * (y * A)).  [para(50(a,1),80(a,2,2))].

856 (x * (C * y)) / (C * (y * C)) = R(C' * x,C,C * y).  [para(66(a,1),80(a,2,2)),rewrite([107(2)]),flip(a)].

860 (x * (y * y)) / (y * (y * C)) = R(C' * x,C,y * y).  [para(67(a,1),80(a,2,2)),rewrite([107(2)]),flip(a)].

871 x / A' = x * A.  [para(80(a,1),307(a,1)),rewrite([8(6),24(4)]),flip(a)].

872 R((x * y') / z,z,y) = R(x,y',y) / (z * y).  [para(83(a,1),80(a,2,1))].

878 R((C * x) / y,y,z) = ((x * C) * z) / (y * z).  [para(372(a,1),80(a,2,1))].

880 R((x * C) / y,y,z) = ((C * x) * z) / (y * z).  [para(372(a,2),80(a,2,1))].

882 (x * y) / (A * y) = R(x * A',A,y).  [para(435(a,1),80(a,1,1)),flip(a)].

884 (x * y) / (y * C') = R(C * x,C',y).  [para(461(a,1),80(a,2,2)),rewrite([599(3)]),flip(a)].

889 R(R(x,y,z) / u,u,y * z) = ((x * y) * z) / (u * (y * z)).  [para(79(a,1),80(a,2,1))].

891 R((C' * x) / y,y,z) = ((x * C') * z) / (y * z).  [para(787(a,1),80(a,2,1))].

896 (x * A)' = A' / x.  [para(871(a,1),112(a,1,1))].

897 (x * y) / (A' * y) = R(x * A,A',y).  [para(871(a,1),80(a,1,1)),flip(a)].

903 (A' / x) * ((x * A) * y) = y.  [para(896(a,1),10(a,1,1))].

906 (x * A) * ((A' / x) * y) = y.  [para(896(a,1),35(a,1,2,1))].

912 (x * (A' / y)) * (y * A) = R(x,A' / y,y * A).  [para(896(a,1),83(a,1,1,2)),rewrite([896(10)])].

921 (C * (x * (C' * y))) / y = R(x,C' * y,C).  [para(7(a,1),101(a,1,2)),rewrite([107(3),107(9)])].

922 (C * x) / (C * (y * x)) = R(y,x,C)'.  [para(10(a,1),101(a,1,1,2)),rewrite([16(5,R),143(10)])].

923 (C * (x * (x * y))) / (y * C) = R(x * x,y,C).  [para(12(a,1),101(a,1,1,2))].

924 (C * (x * (y * y))) / (y * (y * C)) = R(x,y * y,C).  [para(12(a,1),101(a,1,2))].

925 (C * (x * (y * (x * z)))) / (z * C) = R(x * (y * x),z,C).  [para(13(a,1),101(a,1,1,2))].

927 (C * (A * ((x * y) * A))) / (C * (y * A)) = R(A * x,y * A,C).  [para(15(a,1),101(a,1,1,2)),rewrite([16(11,R)])].

928 (C * (C * x)) / (C * C) = R(x,C,C).  [para(16(a,2),101(a,1,1,2))].

943 (C * R(x,y,y')) / (y' * C) = R(x * y,y',C).  [para(86(a,1),101(a,1,1,2))].

948 (C * ((x * y) * z)) / (C * (y * z)) = R(R(x,y,z),y * z,C).  [para(79(a,1),101(a,1,1,2)),rewrite([16(7,R)])].

956 (C * (A' * x)) * A = (C * A') * (x * A).  [para(264(a,1),15(a,1,1)),rewrite([16(4,R),274(16),304(18),35(19)]),flip(a)].

975 (x / y) * x' = x * (x * y)'.  [para(7(a,1),709(a,1,2,1,2)),rewrite([112(5)]),flip(a)].

976 (x * (y * x))' = x' * (y' * x').  [para(709(a,1),10(a,1,2)),flip(a)].

1008 x * (C / (x * x)) = C * x'.  [para(461(a,1),709(a,1,2,1,2)),rewrite([590(5),31(7)])].

1010 C * (C' / (x * C)) = x' * C'.  [para(509(a,1),709(a,1,2))].

1023 C' / (x * x) = x' * (C' * x').  [back_rewrite(539),rewrite([976(4)]),flip(a)].

1026 x / (y * (z * (y * x))) = y' * (z' * y').  [back_rewrite(114),rewrite([976(7)])].

1043 C * (x * (R(y,C,x) * x)) = x * ((y * C) * x).  [para(757(a,1),13(a,2,2)),rewrite([16(6,R)])].

1046 ((x * R(y,C,z)) * (z * C)) / ((y * C) * z) = R(x,R(y,C,z),z * C).  [para(757(a,1),18(a,1,2))].

1049 R(x,C,y * C') * y = (x * C) * (y * C').  [para(83(a,1),757(a,1,2)),rewrite([474(9)])].

1054 R(x / R(y,C,z),R(y,C,z),z * C) = (x * (z * C)) / ((y * C) * z).  [para(757(a,1),80(a,2,2))].

1055 (C * ((x * C) * y)) / (C * (y * C)) = R(R(x,C,y),y * C,C).  [para(757(a,1),101(a,1,1,2)),rewrite([16(9,R)])].

1057 C' * (C / x) = C * (C' / x).  [para(7(a,1),1010(a,1,2,2)),rewrite([107(7),141(9),461(10,R)]),flip(a)].

1058 C' / (x * C) = C' * (x' * C').  [para(1010(a,1),10(a,1,2)),flip(a)].

1068 C' / (C * x) = C' * (x' * C').  [back_rewrite(547),rewrite([1058(10)])].

1075 C * (C * (C' / x)) = C / x.  [para(1057(a,1),10(a,1,2)),rewrite([31(3)])].

1080 C' / (C' / x) = C / (C / x).  [para(1057(a,1),141(a,1,1)),rewrite([509(6)])].

1088 (x / y) * ((z / (x / y)) * x) = ((x / y) * z) * y.  [para(7(a,1),41(a,1,2,2))].

1089 (x' * y) * x = x' * (y / x').  [para(8(a,1),41(a,1,2,2)),rewrite([3(5)]),flip(a)].

1090 (x * y) * x' = x * (y / x).  [para(9(a,1),41(a,1,2,2)),rewrite([3(3)]),flip(a)].

1091 (x / y) * (y * z) = y' * ((y * x) * z).  [para(41(a,1),10(a,1,2)),flip(a)].

1092 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(10(a,1),41(a,1,2,2)),flip(a)].

1096 x' * ((((x * y) * (y / x)) / x') * z) = (y / x) * ((x * y) * z).  [para(41(a,1),13(a,2,2)),rewrite([1091(4),1092(7)])].

1102 (x * y) * (x' * z) = x * ((y / x) * z).  [para(35(a,1),41(a,1,2,2)),flip(a)].

1103 (C' * x) * (y * C) = C' * ((C * x) * y).  [para(64(a,1),41(a,1,2,2)),rewrite([599(5)]),flip(a)].

1105 (x * y) * (C * x') = x * (C * (y / x)).  [para(123(a,1),41(a,1,2,2)),rewrite([16(3,R)]),flip(a)].

1106 (C * x) * (C / x) = C * C.  [para(123(a,1),41(a,1,2)),rewrite([107(7),141(9)]),flip(a)].

1114 (x * y') * ((z / (x * y')) * R(x,y',y)) = ((x * y') * z) * y.  [para(83(a,1),41(a,1,2,2))].

1121 (x * y) * (C' * x') = x * (C' * (y / x)).  [para(493(a,1),41(a,1,2,2)),rewrite([461(4,R)]),flip(a)].

1123 R(x,y,z) * ((u / R(x,y,z)) * ((x * y) * z)) = (R(x,y,z) * u) * (y * z).  [para(79(a,1),41(a,1,2,2))].

1133 x * (C' / x) = R(C',x,x').  [back_rewrite(498),rewrite([1090(5)])].

1134 x * (C / x) = R(C,x,x').  [back_rewrite(340),rewrite([1090(4)])].

1148 (x * C) * (C / x) = C * C.  [para(16(a,1),1106(a,1,1))].

1156 x * (C * (C * x')) = C * C.  [para(67(a,1),1106(a,1,1)),rewrite([69(7),1008(5)])].

1166 (x / y) * (y / (x / y)) = x * (y / x).  [para(7(a,1),1090(a,1,1)),rewrite([112(2)]),flip(a)].

1172 ((x * (y / x)) * z) / (x' * z) = R(x * y,x',z).  [para(1090(a,1),18(a,1,1,1))].

1173 (x * (y / x)) / (y * x') = R(x,y,x').  [para(1090(a,1),18(a,1,1))].

1174 ((x * (y * z)) * y') / (y * (z / y)) = R(x,y * z,y').  [para(1090(a,1),18(a,1,2))].

1175 x' / (x * (y / x)) = (x * y)'.  [para(1090(a,1),33(a,1,2))].

1179 R(C,C * x,C' / x) = R(C,x,x').  [para(117(a,1),1090(a,2,2)),rewrite([16(4,R),509(7),532(8),86(11)])].

1184 (x * (y / x)) * x = R(x * y,x',x).  [para(1090(a,1),83(a,1,1))].

1188 ((x * C) * y) * (C' / x) = (C * x) * (y / (C * x)).  [para(372(a,1),1090(a,1,1)),rewrite([509(6)])].

1196 R(x,y * z,y') * (y * (z / y)) = (x * (y * z)) * y'.  [para(1090(a,1),79(a,1,2))].

1201 (x * y) * R(z / x,x,y) = (x * y) * ((z * y) / (x * y)).  [para(80(a,2),1090(a,2,2)),rewrite([1090(6)]),flip(a)].

1203 (C * (x * (y / x))) / (x' * C) = R(x * y,x',C).  [para(1090(a,1),101(a,1,1,2))].

1208 C * (x * (C * (C' / x))) = R(C,x,x').  [back_rewrite(533),rewrite([1179(15)])].

1214 A * ((C * A') * ((C * x) * A)) = C * (C * (x * A)).  [para(1156(a,1),15(a,1,1)),rewrite([12(6),71(14),956(16)]),flip(a)].

1216 x * (C * (x' * C)) = C * C.  [para(16(a,1),1156(a,1,2,2))].

1217 R(x,C * (C * x'),y) = R(x',C * y,C)'.  [para(1156(a,1),18(a,1,1,1)),rewrite([12(4),71(10),922(11)]),flip(a)].

1220 x' * (C * (C * x)) = C * C.  [para(31(a,1),1156(a,1,2,2,2))].

1222 C * (C * x) = x * (C * C).  [para(1156(a,1),35(a,1,2)),rewrite([31(8)]),flip(a)].

1223 (x / y) * (C * (C * (y / x))) = C * C.  [para(112(a,1),1156(a,1,2,2,2))].

1226 C * (A * C) = A * (C * C).  [para(1156(a,1),50(a,1,1)),rewrite([12(5),16(4),311(14),307(13)])].

1235 (C * (C * C)) / (C * (C * (C * x'))) = R(x',C * C,C)'.  [para(1156(a,1),101(a,1,1,2)),rewrite([16(12,R),1217(20)])].

1242 (x * (C * C)) / (C * x) = C.  [para(1222(a,1),6(a,1,1))].

1243 R(x,C,C) = x.  [para(1222(a,2),6(a,1,1)),rewrite([928(8)])].

1245 C' * (x * (C * C)) = C * x.  [para(1222(a,1),10(a,1,2))].

1251 C * (C * (x * (y * x))) = x * (y * (x * (C * C))).  [para(1222(a,2),13(a,1))].

1254 (A * x) * (A * (C * C)) = A * (C * (x * (A * C))).  [para(1222(a,2),15(a,2,2,1)),rewrite([12(7),16(6),1226(7),71(15),16(13)])].

1255 C * (x * C) = x * (C * C).  [para(16(a,1),1222(a,1,2))].

1258 R(x,C * C,y) = R(x,C * y,C).  [para(1222(a,2),18(a,1,1,1)),rewrite([71(5),12(9),102(10)]),flip(a)].

1259 (C * (C * (x * y))) / (y * (C * C)) = R(x,y,C * C).  [para(1222(a,2),18(a,1,1))].

1260 (C * (C * (x * y))) / (C * (C * y)) = R(x,y,C * C).  [para(1222(a,2),18(a,1,2)),rewrite([1222(5,R)])].

1265 (x * (C * C)) / x = C * C.  [para(1222(a,1),36(a,1,1))].

1268 C * (C * (x * (C' * C'))) = R(x,C' * C',C * C).  [para(1222(a,2),83(a,1)),rewrite([175(6),175(14)])].

1272 (x * (C * C)) * y = C * (x * (C * y)).  [para(1222(a,1),372(a,1,1)),rewrite([16(9,R),71(10)])].

1273 (x * (C * C))' = C' * (x' * C').  [para(1222(a,1),509(a,1,1)),rewrite([1068(10)])].

1280 R(x / y,y,C * C) = (C * (C * x)) / (y * (C * C)).  [para(1222(a,2),80(a,2,1))].

1281 R(x / y,y,C * C) = (x * (C * C)) / (C * (C * y)).  [para(1222(a,2),80(a,2,2))].

1283 (x * (C * C)) / (x * C) = C.  [para(1222(a,1),101(a,1,1)),rewrite([197(10)])].

1284 (C * (C * (C * x))) / (C * (C * C)) = R(x,C * C,C).  [para(1222(a,2),101(a,1,1,2)),rewrite([16(11,R)])].

1285 x * ((C * C) / x) = C * C.  [para(1222(a,1),1106(a,1,1)),rewrite([117(8),1090(6)])].

1294 R(x,C * (x' * C),y) = R(x',C * y,C)'.  [para(1216(a,1),18(a,1,1,1)),rewrite([12(4),13(10),922(11)]),flip(a)].

1301 (C * (C * C)) / (C * (C * (x' * C))) = R(x',C * C,C)'.  [para(1216(a,1),101(a,1,1,2)),rewrite([16(12,R),1294(20)])].

1304 x' / (x * y) = x' * (y' * x').  [para(6(a,1),1175(a,1,2,2)),rewrite([976(6)])].

1308 x / (x' * (y / x')) = (x' * y)'.  [para(31(a,1),1175(a,1,1))].

1329 x' / (C * C) = C' * (x' * C').  [para(1222(a,2),1175(a,2,1)),rewrite([1285(6),509(10),1304(10)])].

1345 R((x' * y) / z,z,x) = (x' * (y / x')) / (z * x).  [para(1089(a,1),80(a,2,1))].

1354 R(C * C,x',x) = C * C.  [para(1222(a,2),1089(a,1,1)),rewrite([311(6),1285(12)])].

1375 (x * (C * (x * C))) * y = C * (x * (x * (C * y))).  [para(69(a,1),372(a,2,1)),rewrite([46(6)]),flip(a)].

1378 (x * C) * (C * ((x * C) * y)) = C * (((C * x) * x) * (C * y)).  [para(372(a,2),69(a,1,1,2)),rewrite([16(6,R),609(7),71(8)]),flip(a)].

1406 A * ((C * A') * (x * A)) = x * (A * C).  [para(35(a,1),74(a,1,1)),rewrite([16(10,R),956(12)]),flip(a)].

1410 C * (A * (A * (C * C))) = A * (C * (A * (C * C))).  [para(74(a,1),67(a,1,2)),rewrite([12(7),16(6),1255(7),16(17,R),1255(17),1254(18),125

5(16)])].

1419 C * (A * (C * C)) = A * (C * (C * C)).  [para(1156(a,1),74(a,1,1)),rewrite([12(7),1255(6),16(16,R),313(18),307(17)])].

1421 (C * x) * (A * C) = C * (C * (x * A)).  [back_rewrite(1214),rewrite([1406(11)])].

1422 C * (A * (A * (C * C))) = A * (A * (C * (C * C))).  [back_rewrite(1410),rewrite([1419(17)])].

1424 x / ((y * (x / z)) * z) = R(y,x / z,z)'.  [para(7(a,1),139(a,1,1))].

1425 x / ((y * z') * (z * x)) = R(y,z',z * x)'.  [para(10(a,1),139(a,1,1))].

1430 ((x * y) * z) / (y * (x * (y * z))) = R(y,x * y,z)'.  [para(13(a,1),139(a,1,2))].

1435 R(x,y,(x * y)' * z)' = (y * ((x * y)' * z)) / z.  [para(35(a,1),139(a,1,2)),flip(a)].

1436 x / ((y * C') * (x * C)) = R(y,C',x * C)'.  [para(64(a,1),139(a,1,1))].

1440 (A * (x * A)) / ((y * (A * x)) * A) = R(y,A * x,A)'.  [para(50(a,1),139(a,1,1))].

1442 ((C * x) * y) / (C * (x * (C * y))) = R(C,C * x,y)'.  [para(66(a,1),139(a,1,2,1)),rewrite([13(8)])].

1457 ((x * C) * y) / ((z * (C * x)) * y) = R(z,C * x,y)'.  [para(372(a,1),139(a,1,1))].

1459 (x * C') / ((y * C') * x) = R(y,C',x)'.  [para(461(a,1),139(a,1,1))].

1460 (C' * x) / (C' * (y * x)) = R(y,x,C')'.  [para(461(a,2),139(a,1,1)),rewrite([461(7,R)])].

1472 ((x * C) * y) / (((z * C) * x) * y) = R(R(z,C,x),x * C,y)'.  [para(757(a,1),139(a,1,2,1))].

1483 (C * (C * x)) / (C * (C * (y * x))) = R(y,x,C * C)'.  [para(1222(a,2),139(a,1,1)),rewrite([1222(9,R)])].

1485 (x * (C * C)) / (C * (C * (y * x))) = R(y,x,C * C)'.  [para(1222(a,2),139(a,1,2))].

1487 (x' * (y / x')) / ((z * (x' * y)) * x) = R(z,x' * y,x)'.  [para(1089(a,1),139(a,1,1))].

1496 R(x',C * C,C)' = R(x',C,C * C)'.  [back_rewrite(1301),rewrite([1485(13)]),flip(a)].

1501 (C * (C * C)) / (C * (C * (C * x'))) = R(x',C,C * C)'.  [back_rewrite(1235),rewrite([1496(20)])].

1533 (A * (A * (C * (C * C)))) * x = C * (A * (C * (A * (C * x)))).  [para(74(a,1),274(a,1,1,2)),rewrite([12(7),16(6),1255(7),1422(9),1378(20

),16(14),50(16),16(15),69(19)])].

1541 R(x,y * x,z)' * (x * (y * (x * z))) = (y * x) * z.  [para(13(a,1),751(a,1,2))].

1544 R(x,y,C)' * (C * (x * y)) = y * C.  [para(16(a,2),751(a,1,2))].

1566 R(R(x,y,z)' / u,u,(x * y) * z) = (y * z) / (u * ((x * y) * z)).  [para(751(a,1),80(a,2,1))].

1580 R(x' * y,x,z)' * ((x' * (y / x')) * z) = x * z.  [para(1089(a,1),751(a,1,2,1))].

1584 R(A,x,A * C)' * (A * ((x * C) * A)) = x * (A * C).  [para(74(a,1),751(a,1,2))].

1587 R(C' * (x / y),C,y) = x / (y * C).  [para(7(a,1),838(a,1,1)),flip(a)].

1591 R(C' * x',C,x * y) = y / (C * (x * y)).  [para(10(a,1),838(a,1,1)),rewrite([16(3,R)]),flip(a)].

1593 (x * (y * (x * z))) / (z * C) = R(C' * (x * (y * x)),C,z).  [para(13(a,1),838(a,1,1))].

1600 (x * C) / (y * x) = R(C' * y,C,x)'.  [para(838(a,1),112(a,1,1)),flip(a)].

1612 ((x * y) * z) / (C * (y * z)) = R(C' * R(x,y,z),C,y * z).  [para(79(a,1),838(a,1,1)),rewrite([16(5,R)])].

1618 R(x,C,C / x) = (C * C) / (C * (C / x)).  [para(1106(a,1),838(a,1,1)),rewrite([16(7,R),10(13)]),flip(a)].

1622 (C * (C * x)) / (C * (C * C)) = R(C' * x,C,C * C).  [para(1222(a,2),838(a,1,1)),rewrite([16(9,R)])].

1629 R(x * x,C,x) = x * x.  [back_rewrite(266),rewrite([1593(7),170(6)])].

1633 R(x,C * C,C) = R(x,C,C * C).  [back_rewrite(1284),rewrite([1622(12),10(5)]),flip(a)].

1634 R((x / y) * A',A,y) = x / (A * y).  [para(7(a,1),882(a,1,1)),flip(a)].

1639 (x * (y * (x * z))) / (A * z) = R(x * (y * (x * A')),A,z).  [para(13(a,1),882(a,1,1)),rewrite([13(11)])].

1641 R(A * C',C,x)' = R(C * A',A,x).  [para(16(a,1),882(a,1,1)),rewrite([1600(5),461(4)])].

1642 (C * x) / (A * C) = R(x * A',A,C).  [para(16(a,2),882(a,1,1))].

1647 (A * x) / (y * x) = R(y * A',A,x)'.  [para(882(a,1),112(a,1,1)),flip(a)].

1660 R((x * y) * A',A,y') = R(x,y,y') / (A * y').  [para(86(a,1),882(a,1,1)),flip(a)].

1663 (x * C') / (A * x) = R(A' * C',A,x).  [para(461(a,1),882(a,1,1)),rewrite([461(11)])].

1664 (C' * x) / (A * C') = R(x * A',A,C').  [para(461(a,2),882(a,1,1))].

1666 R(x * A',A,A' * C') = C * (x * (A' * C')).  [para(493(a,1),882(a,1,2)),rewrite([461(5),599(9),461(17)]),flip(a)].

1667 ((x * y) * z) / (A * (y * z)) = R(R(x,y,z) * A',A,y * z).  [para(79(a,1),882(a,1,1))].

1672 ((x * C) * y) / (A * (y * C)) = R(R(x,C,y) * A',A,y * C).  [para(757(a,1),882(a,1,1))].

1676 R(x * A',A,C * (C * x')) = (C * C) / (A * (C * (C * x'))).  [para(1156(a,1),882(a,1,1)),flip(a)].

1679 (C * (C * x)) / (A * (C * C)) = R(x * A',A,C * C).  [para(1222(a,2),882(a,1,1))].

1702 x * ((x * y)' * x) = x / y.  [para(10(a,1),1304(a,1,2)),rewrite([31(2),31(3),31(5)]),flip(a)].

1707 x / (x' * y) = x * (y' * x).  [para(31(a,1),1304(a,1,1)),rewrite([31(5),31(6)])].

1708 (x * y) / x' = x * (y * x).  [para(1304(a,1),112(a,1,1)),rewrite([976(6),31(2),31(2),31(2)]),flip(a)].

1715 (x * y)' * (y * (x * y)') = (x * y)' / R(x,y,y').  [para(86(a,1),1304(a,1,2)),rewrite([31(9)]),flip(a)].

1731 R(x,y,z) * (((x * y) * z)' * R(x,y,z)) = R(x,y,z) / (y * z).  [para(751(a,1),1304(a,1,2)),rewrite([31(3),31(6),31(10)]),flip(a)].

1735 x * ((x' / y) * x) = (x' * y)'.  [back_rewrite(1308),rewrite([1707(5),112(3)])].

1750 (x' * y) / x = x' * (y * x').  [para(31(a,1),1708(a,1,2))].

1786 R(x * (y * x),x',z) = ((x * y) * z) / (x' * z).  [para(1708(a,1),80(a,1,1))].

1793 (C * C) / x' = x * (C * C).  [para(1156(a,1),1708(a,1,1)),rewrite([311(11),1354(10)])].

1800 R(x,y,z)' * (((x * y) * z) * R(x,y,z)') = (y * z) / R(x,y,z).  [para(751(a,1),1708(a,1,1)),rewrite([31(4)]),flip(a)].

1817 (C * C) / x = x' * (C * C).  [para(31(a,1),1793(a,1,2))].

1821 R(x * A',A,C * (C * x')) = C * (C * (A * (C * (C * x')))').  [back_rewrite(1676),rewrite([1817(21),1222(22,R)])].

1823 R(x,C,C / x) = C / (C / x).  [back_rewrite(1618),rewrite([1817(12),509(9),1222(13,R),1075(13)])].

1841 (A' * x) * A' = A' * (x * A').  [para(1750(a,1),435(a,1)),flip(a)].

1848 R((x * y)' / x,x,y) = (x * y)' / R(x,y,y').  [para(1750(a,1),80(a,2)),rewrite([1715(10)])].

1863 x / (C * C) = C' * (x * C').  [para(31(a,1),1329(a,1,1)),rewrite([31(8)])].

1878 (A * C) / (C * x) = R(x * A',A,C)'.  [para(1642(a,1),112(a,1,1)),flip(a)].

1884 (x * (C * C)) / (A * C) = R((C * x) * A',A,C).  [para(1222(a,1),1642(a,1,1))].

1887 (A' * (A' * (x * A'))) * y = A' * ((A' * x) * (A' * y)).  [para(1841(a,1),13(a,1,1,2))].

1898 (C * (A' * (x * A'))) / (C * A') = R(A' * x,A',C).  [para(1841(a,1),101(a,1,1,2)),rewrite([16(12,R)])].

1903 (A' * (x * A')) / (C * A') = R(C' * (A' * x),C,A').  [para(1841(a,1),838(a,1,1)),rewrite([16(10,R)])].

1908 ((A' * x) * y) * A = A' * (x * (y * A)).  [para(121(a,1),10(a,1,2)),flip(a)].

1913 (x * (A' * y)) * A = (x * A') * (y * A).  [para(13(a,1),121(a,1,2,1)),rewrite([1089(10),871(10),35(11)])].

1918 ((x * A) * y) * A = x * (A * (y * A)).  [para(50(a,1),121(a,2,2)),rewrite([1092(7),871(6),1089(9),871(9),35(10)])].

1921 A * ((A' * C') * (x * A)) = x * (A * C').  [para(461(a,1),121(a,2,2)),rewrite([461(7,R),1913(9),461(6)])].

1926 (x * A) * A = x * (A * A).  [para(1090(a,1),121(a,1,2,1)),rewrite([871(6),1089(8),871(8),35(9),31(7)])].

1927 C * (A * (C * (x * A))) = A * (C * (x * (A * C))).  [para(1156(a,1),121(a,1,2,1,1)),rewrite([12(5),71(7),16(5),31(13),16(12),1255(13),12

72(16)]),flip(a)].

1929 A * (C * (A' * (C * (x * A)))) = x * (A * (C * C)).  [para(1222(a,2),121(a,1,2,1)),rewrite([71(10),16(8),1092(9),871(7),16(8,R),12(16),1

6(15),1255(16)])].

1935 (x * (A * A)) * A' = x * A.  [para(1926(a,1),6(a,1,1)),rewrite([435(6)])].

1938 (A * (x * (A * A))) * y = A * ((x * A) * (A * y)).  [para(1926(a,1),13(a,1,1,2))].

1942 R(x,A,A) = x.  [para(1926(a,1),18(a,1,1)),rewrite([6(8)]),flip(a)].

1946 R(x,A' * A',A * A) = x.  [para(83(a,1),1926(a,2)),rewrite([175(4),1913(8),8(7),3(5),83(5),307(4),175(4)]),flip(a)].

1951 (x * (A * A))' = A' / (x * A).  [para(1926(a,1),896(a,1,1))].

1963 (x * (A * (y * A))) * A' = (x * A) * y.  [para(1918(a,1),6(a,1,1)),rewrite([435(7)])].

1965 R(A',x',x) * A = 0.  [para(8(a,1),1918(a,2)),rewrite([976(5),13(9),8(7),3(5),83(5)])].

1966 x * (A' * x)' = A.  [para(9(a,1),1918(a,1,1)),rewrite([2(3),896(5),1735(8)]),flip(a)].

1973 (A * x) * (y * (A * (z * A))) = A * ((x * ((y * A) * z)) * A).  [para(1918(a,1),15(a,1,2))].

1974 ((A * C) * x) * A = C * (A * (x * A)).  [para(16(a,1),1918(a,1,1,1))].

1996 (x * (A / x)) * A = x * (A * (x' * A)).  [para(1090(a,1),1918(a,1,1))].

2004 (x * (A * (y * A))) / (A * C) = R(C' * ((x * A) * y),C,A).  [para(1918(a,1),838(a,1,1))].

2008 (x * (A * (y * A))) * A = ((x * A) * y) * (A * A).  [para(1918(a,1),1926(a,1,1))].

2027 (A' * x)' = x' * A.  [para(1966(a,1),10(a,1,2)),flip(a)].

2028 R(A,x,x') = A.  [para(10(a,1),1966(a,1,2,1)),rewrite([86(4)])].

2050 R(A,x',x) = A.  [para(31(a,1),2028(a,1,3))].

2061 A / x = A * x'.  [para(2050(a,1),308(a,1,1))].

2068 (x * (A * x')) * A = x * (A * (x' * A)).  [back_rewrite(1996),rewrite([2061(2)])].

2075 (x * A')' = A * x'.  [back_rewrite(440),rewrite([2061(6)])].

2076 (A * x)' = x' * A'.  [back_rewrite(194),rewrite([2061(6),976(6),35(9)]),flip(a)].

2089 R(x * A',A,C * (C * x')) = C * (x * (A' * C')).  [back_rewrite(1821),rewrite([2076(20),509(18),1304(18),31(16),13(21),461(19),35(22)])].

2104 R(x' * A',A * ((x * y) * A),z) = R(A * x,y * A,z)'.  [back_rewrite(628),rewrite([2076(3)])].

2111 A * (A' / x) = x'.  [para(2061(a,1),33(a,1)),rewrite([896(4)])].

2118 C * (A * (x * (A * A))) = A * ((C * x) * (A * A)).  [para(15(a,1),1974(a,1,1)),rewrite([13(8),1926(14)]),flip(a)].

2138 ((C * A') * x) * A = A' * (C * (x * A)).  [para(147(a,1),10(a,1,2)),flip(a)].

2140 A * (((C * A') * x) * (A * y)) = (C * (x * A)) * y.  [para(147(a,1),13(a,1,1)),flip(a)].

2144 A * ((C * ((A' * C') * x)) * A) = C * ((x * C') * A).  [para(787(a,1),147(a,2,2)),rewrite([1102(9),107(6),461(7)])].

2152 (A * x) * (x' * A') = 0.  [para(9(a,1),314(a,2)),rewrite([2076(4),314(12)])].

2153 (x * (y * A')) * A = A' * ((A * x) * y).  [para(314(a,1),10(a,1,2)),flip(a)].

2161 (A * x) * ((x' * A') * y) = y.  [para(35(a,1),314(a,2)),rewrite([2076(4),2153(12),35(13)])].

2162 (A * x) * (C * (x' * A')) = C.  [para(123(a,1),314(a,2)),rewrite([2076(5),2153(13),35(14)])].

2168 (A * R(x,y,A')) * y = A * (x * y).  [para(79(a,1),314(a,1,2,1)),rewrite([83(7),307(6)]),flip(a)].

2183 (A * R(x,y,A')') * (x * y) = A * y.  [para(751(a,1),314(a,1,2,1)),rewrite([83(6),307(5)]),flip(a)].

2197 C' * ((C * x) * y) = C' * ((x * C) * y).  [para(16(a,1),1091(a,2,2,1)),rewrite([107(2),1092(6),599(5)])].

2198 (x / y) * (C * y) = y' * (C * (y * x)).  [para(16(a,2),1091(a,1,2)),rewrite([16(8,R)])].

2206 x * ((x' * C) * y) = x * ((C * x') * y).  [para(111(a,1),1091(a,2,2,1)),rewrite([1091(6),31(2),31(7)])].

2223 (x * A') * (A * y) = A' * ((A * x) * y).  [para(435(a,1),1091(a,1,1))].

2224 (C * x) * (y * C') = C * ((C' * x) * y).  [para(461(a,1),1091(a,1,2)),rewrite([599(3),31(9)])].

2226 (x / y) * (C' * y) = y' * (C' * (y * x)).  [para(461(a,2),1091(a,1,2)),rewrite([461(10,R)])].

2237 (x * A) * (A' * y) = A * ((A' * x) * y).  [para(871(a,1),1091(a,1,1)),rewrite([31(9)])].

2238 (C * (x' * ((x * y) * z))) / (C * (x * z)) = R(y / x,x * z,C).  [para(1091(a,1),101(a,1,1,2)),rewrite([16(9,R)])].

2241 (C * x) * (C * (C' / y)) = C * ((C' * x) * (C / y)).  [para(1057(a,1),1091(a,1,2)),rewrite([599(3),31(11)])].

2247 (C' * x) * (y * (C * C)) = C' * ((C * x) * (C * y)).  [para(1222(a,1),1091(a,1,2)),rewrite([107(2)])].

2249 x' * (C * (x * (C * y))) = C * (x' * (C * (x * y))).  [para(1222(a,2),1091(a,2,2,1)),rewrite([1817(4),1272(7),71(13)]),flip(a)].

2273 (A * x') * (x * y) = x' * ((x * A) * y).  [para(2061(a,1),1091(a,1,1))].

2290 (x * C) * (C' * y) = C * ((C' * x) * y).  [para(16(a,1),1102(a,1,1)),rewrite([107(9)])].

2291 (C * x) * (x' * y) = x * ((C / x) * y).  [para(16(a,2),1102(a,1,1))].

2293 (x * ((y / x) * z)) / (y * (x' * z)) = R(x,y,x' * z).  [para(1102(a,1),18(a,1,1))].

2312 (x * C') * (C * y) = C' * ((C * x) * y).  [para(461(a,1),1102(a,1,1)),rewrite([31(6),599(11)])].

2341 R(x,y,x' * z)' * (x * ((y / x) * z)) = y * (x' * z).  [para(1102(a,1),751(a,1,2))].

2368 A' * (C * (A * x)) = A * ((C * A') * x).  [para(7(a,1),1406(a,1,2,2)),rewrite([435(9),2223(14),16(13,R)]),flip(a)].

2369 (C * A') * (x * A) = A' * (x * (A * C)).  [para(1406(a,1),10(a,1,2)),flip(a)].

2373 A * ((C * A') * (x * (y * (x * A)))) = x * (y * (x * (A * C))).  [para(13(a,1),1406(a,1,2,2)),rewrite([13(17)])].

2375 A * ((C * A') * (A' * (C' * (A * x)))) = R(x,A' * C',A * C).  [para(83(a,1),1406(a,2)),rewrite([559(9),435(9),461(10),1913(13),461(12),2

223(13),461(12,R),559(19),435(19),461(20)])].

2377 (x * C) * (A * C) = C * (C * (x * A)).  [para(372(a,1),1406(a,1,2,2)),rewrite([2369(10),35(11),1421(12)])].

2384 C * (C * (x * (x * A))) = x * (C * (x * (A * C))).  [para(274(a,1),1406(a,1,2,2)),rewrite([2373(12),1421(14),12(12)]),flip(a)].

2424 ((C * x) * x) * (C / x) = C * (C * x).  [para(1106(a,1),479(a,2,2,2)),rewrite([461(7,R),10(7),1222(14,R),9(13),3(11),16(10,R)])].

2466 R(A * x,A * C',C) = (A * C) * (x * C').  [para(484(a,1),101(a,1,1,2)),rewrite([16(15,R),507(15),435(11),1963(12),16(3)]),flip(a)].

2528 C' * (x * (C * (x * y))) = x * (C' * (x * (C * y))).  [para(796(a,1),1102(a,1)),rewrite([31(5),599(13),274(13)]),flip(a)].

2536 x * (C * y) = x * (y * C).  [para(10(a,1),1103(a,1,1)),rewrite([71(10),10(11)]),flip(a)].

2548 (x * C') * (y * C) = C' * ((C * x) * y).  [para(461(a,1),1103(a,1,1))].

2560 (x * (y * C)) / (C' * ((C * x) * y)) = R(C',x,y * C)'.  [para(1103(a,1),139(a,1,2))].

2580 x / (C' * ((C * y) * x)) = R(y,C',x * C)'.  [back_rewrite(1436),rewrite([2548(6)])].

2582 (C' * ((C * x) * y)) / y = R(x,C',y * C).  [back_rewrite(132),rewrite([2548(6)])].

2584 (x * (y * C)) / (C * y) = x.  [para(2536(a,1),6(a,1,1))].

2585 (x * (C * y)) / (y * C) = x.  [para(2536(a,2),6(a,1,1))].

2586 (x / (C * y)) * (y * C) = x.  [para(2536(a,1),7(a,1))].

2587 (x / (y * C)) * (C * y) = x.  [para(2536(a,2),7(a,1))].

2594 R(x,C * y,z) = R(x,y * C,z).  [para(2536(a,1),18(a,1,1,1)),rewrite([398(8)]),flip(a)].

2596 ((x * y) * (C * z)) / (y * (z * C)) = R(x,y,C * z).  [para(2536(a,1),18(a,1,2))].

2597 R(x,y,C * z) = R(x,y,z * C).  [para(2536(a,2),18(a,1,1)),rewrite([2596(8)])].

2598 (C * x) / (y * (x * C)) = y'.  [para(2536(a,1),33(a,1,2))].

2603 (x * C) * (C * x) = C * ((C * x) * x).  [para(2536(a,2),36(a,2)),rewrite([36(7),604(5)]),flip(a)].

2617 x * (C * (C * y)) = x * (y * (C * C)).  [para(1222(a,1),2536(a,1,2)),rewrite([16(9,R)]),flip(a)].

2627 (x * (y * C)) / (A * (C * y)) = R(x * A',A,C * y).  [para(2536(a,1),882(a,1,1))].

2632 x * (((C * y) / x) * z) = x * (((y * C) / x) * z).  [para(2536(a,1),1102(a,1,1)),rewrite([1102(6)]),flip(a)].

2635 x / (C * y) = x / (y * C).  [para(2586(a,1),6(a,1,1)),flip(a)].

2641 (C * x) / y = (x * C) / y.  [para(2586(a,1),33(a,1,2)),rewrite([112(7)]),flip(a)].

2650 R((x / (C * y)) / z,z,y * C) = x / (z * (y * C)).  [para(2586(a,1),80(a,2,1))].

2676 R(x,A' * y,A) = R(x,A',y * A).  [para(1913(a,1),18(a,1,1)),rewrite([1089(11),871(11),897(12),83(5),307(4)]),flip(a)].

2680 (x * (C * (A' * A'))) * A = C * (x * A').  [para(67(a,2),1913(a,1,1,2)),rewrite([16(17,R),83(19),307(18),16(15,R)])].

2703 A' * (C' * ((A * C) * x)) = A * (C * ((A' * C') * x)).  [para(1103(a,1),1913(a,1,1)),rewrite([2153(10),2312(9),16(7),16(19),2223(20),16(

19,R),2368(20),1102(19),107(16),461(17)])].

2706 (x * (y * A'))' * (A' * ((A * x) * y)) = A.  [para(2153(a,1),10(a,1,2))].

2707 (x * (y * (y * A'))) * A = A' * ((A * x) * (y * y)).  [para(12(a,1),2153(a,1,1,2))].

2712 (A' * ((A * x) * y)) / y = R(x,y * A',A).  [para(2153(a,1),18(a,1,1)),rewrite([83(11),307(10)])].

2725 A' / (x * (y * A')) = ((A * x) * y)' * A.  [para(2153(a,1),896(a,1,1)),rewrite([2027(7)]),flip(a)].

2744 A' * ((A * (x / y)) * y) = A' * (y' * ((y * A) * x)).  [para(1091(a,1),2153(a,1,1)),rewrite([2153(8),2273(7)]),flip(a)].

2746 A' * ((A * (x * y)) * x') = A' * ((A * x) * (y / x)).  [para(1102(a,1),2153(a,1,1)),rewrite([2153(7)]),flip(a)].

2800 (x * (x * A')) * (A * y) = A' * ((A * (x * x)) * y).  [para(12(a,1),2223(a,1,1))].

2805 R(x,y * A',A) = R(x,A',A * y).  [para(2223(a,1),18(a,1,1)),rewrite([10(11),2712(7)])].

2815 A' * (C * (C * x)) = C * ((C * A') * x).  [para(1156(a,1),2223(a,2,2,1)),rewrite([71(9),68(8,R),71(12),12(11),2368(10),10(11),12(13)]),f

lip(a)].

2823 A' * ((A * x) * (x * A')) = x / (A * x').  [para(2223(a,1),1708(a,2)),rewrite([83(5),307(4),2075(4)]),flip(a)].

2835 x * (C' * y) = x * (y * C').  [para(13(a,1),2224(a,2,2)),rewrite([507(5),35(13)]),flip(a)].

2836 (x * C) * (y * C') = C * ((C' * x) * y).  [para(16(a,1),2224(a,1,1))].

2838 (C * ((C' * x) * y)) / (x * (y * C')) = R(C,x,y * C').  [para(2224(a,1),18(a,1,1))].

2843 (C * ((C' * x) * y)) * (C / y) = R(C * x,y * C',C / y).  [para(2224(a,1),86(a,1,1)),rewrite([494(10),494(18)])].

2852 (C * x) * (C * (C * ((C' * x) * y))) = C * (((C * x) * x) * y).  [para(2224(a,1),69(a,2,2,2)),rewrite([16(6,R),68(7,R),600(6),2224(11),1

0(9)]),flip(a)].

2858 (C * ((C' * x) * y)) / y = R(x,C,y * C').  [para(2224(a,1),838(a,1,1)),rewrite([16(11,R),507(11),10(12)])].

2869 R(A * x,A * C',C) = C * ((A * C') * x).  [back_rewrite(2466),rewrite([2836(15),461(13)])].

2870 R(x,C,y * C') * y = C * ((C' * x) * y).  [back_rewrite(1049),rewrite([2836(12)])].

2872 (x * (C' * y)) / (y * C') = x.  [para(2835(a,2),6(a,1,1))].

2873 (x / (C' * y)) * (y * C') = x.  [para(2835(a,1),7(a,1))].

2883 ((x * y) * (C' * z)) / (y * (z * C')) = R(x,y,C' * z).  [para(2835(a,1),18(a,1,2))].

2884 R(x,y,C' * z) = R(x,y,z * C').  [para(2835(a,2),18(a,1,1)),rewrite([2883(10)])].

2885 (C' * x) / (y * (x * C')) = y'.  [para(2835(a,1),33(a,1,2))].

2898 x * (C' * (C' * y)) = x * (C' * (y * C')).  [para(787(a,1),2835(a,2,2)),rewrite([461(13,R)])].

2951 x * (C * (C' / x)) = C * R(C',x,x').  [para(86(a,1),2290(a,2,2)),rewrite([1121(7),1057(5)])].

2972 A' * (C' * (A * (x * C))) = A' * (C * ((A * C') * x)).  [para(2290(a,1),2153(a,1,1)),rewrite([2153(10),2290(9),461(7),461(19,R)]),flip(a

)].

2973 C * (C * R(C',x,x')) = R(C,x,x').  [back_rewrite(1208),rewrite([2951(7)])].

2978 (x * C') * (y * (y * C)) = C' * ((C * x) * (y * y)).  [para(67(a,1),2312(a,1,2))].

2986 (x * C') * (y * (C * C)) = C' * ((C * x) * (C * y)).  [para(1222(a,1),2312(a,1,2))].

2997 (x * C) * (y * (y * C')) = C * ((C' * x) * (y * y)).  [para(12(a,1),2836(a,1,2))].

3069 A' * (C' * (A * x)) = A * ((A' * C') * x).  [para(7(a,1),1921(a,1,2,2)),rewrite([435(10),2223(16),461(15,R)]),flip(a)].

3076 (A * C') * ((C * A') * x) = R(x,C * A',A * C').  [para(83(a,1),1921(a,2)),rewrite([494(11),435(9),2153(13),16(12,R),2368(13),1092(14),87

1(8),461(7),35(15),494(15),435(13)])].

3081 A * ((A' * C') * (A' * (C * (x * A)))) = (C * A') * (x / (C * A')).  [para(1089(a,1),1921(a,2)),rewrite([494(11),435(9),2138(13),494(20)

,435(18),494(24),435(22)])].

3092 A' * (C * ((A * C') * x)) = A * (C' * ((C * A') * x)).  [back_rewrite(2972),rewrite([3069(10),2548(9)]),flip(a)].

3093 (A * C) * ((A' * C') * x) = R(x,A' * C',A * C).  [back_rewrite(2375),rewrite([3069(13),2223(14),35(15)])].

3095 (C * (x * A)) * A' = A * ((C * A') * x).  [para(9(a,1),2140(a,1,2,2)),rewrite([3(8)]),flip(a)].

3096 ((C * A') * x) * (A * y) = A' * ((C * (x * A)) * y).  [para(2140(a,1),10(a,1,2)),flip(a)].

3101 A * (C * (A' * (x * (A * C)))) = C * (C * (x * A)).  [para(16(a,2),2140(a,1,2,2)),rewrite([16(9),3096(10),16(9,R),2815(10),2369(9),16(17

,R)])].

3113 C * ((C' * (x * A)) * A') = A * (C' * ((C * A') * x)).  [para(493(a,1),2140(a,1,2,2)),rewrite([461(9,R),461(19),2224(20)]),flip(a)].

3212 (x * (C' * (y * (x * C')))) * z = x * (C' * (y * (C' * (x * z)))).  [para(461(a,1),48(a,1,1,2,2,2))].

3322 C * (x * ((y / (C * x)) * (x * (C * z)))) = (C * (x * y)) * z.  [para(2586(a,1),48(a,1,1,2,2)),flip(a)].

3372 C * ((x * y') * (C' * y)) = R(x,y',C' * y).  [para(10(a,1),2883(a,1,2)),rewrite([599(9)])].

3385 R(x,C,C' * C') = x.  [para(67(a,1),2883(a,1,2)),rewrite([2836(8),461(7,R),35(8),16(9,R),9(9),3(7),599(6),35(5)]),flip(a)].

3408 R(x,C * C,C' * y) = R(x,y,C).  [para(1222(a,2),2883(a,1,1,1)),rewrite([1102(8),107(5),10(6),12(10),507(9),102(6)]),flip(a)].

3498 (C * ((C' * x) * (y * x))) * (C / x) = (C * x) * y.  [para(1106(a,1),3212(a,2,2,2,2,2)),rewrite([461(9,R),10(9),1102(7),107(3),1222(20,R

),9(19),3(17),64(17)])].

3558 x * ((y / (x * z)) * x) = (x * y) / z.  [para(7(a,1),40(a,1,1,2)),flip(a)].

3563 (x * A) * (y * x) = x * ((A * y) * x).  [para(15(a,1),40(a,1,1,2)),rewrite([435(8),1963(9)])].

3564 (C * (x * (y * C))) / y = C * (x * C).  [para(16(a,1),40(a,1,1,2,2))].

3570 (A * x) * (y * (A * x)) = A * (x * ((y * A) * x)).  [para(50(a,1),40(a,1,1,2,2)),rewrite([1973(8),13(7),435(10),1090(11),435(9),338(10),

439(9)]),flip(a)].

3613 ((x * y) * (y * z)) / z = (x * y) * (R(x,y,z)' * (x * y)).  [para(751(a,1),40(a,1,1,2))].

3660 C * (x * (x * (C * y))) = x * (C * (C * (x * y))).  [para(16(a,1),46(a,1,1,2,2)),rewrite([1375(6)])].

3867 (A * (x * A)) / (y * A) = A * (x / y).  [para(7(a,1),51(a,1,1,2,1))].

3872 (A * (A * ((x * y) * (A * A)))) / (y * (A * A)) = A * (A * x).  [para(15(a,1),51(a,1,1,2,1)),rewrite([13(8),1926(13)])].

3904 ((A * x) * y) * A' = A * (x * (y * A')).  [para(2153(a,1),51(a,1,1,2,1)),rewrite([1089(9),871(9),35(10),882(9),1942(9)])].

3913 A * (x / (y * (A * x))) = R(y,A * x,A)'.  [back_rewrite(1440),rewrite([3867(10)])].

3914 R((A * x) / y,y,A) = A * (x / y).  [back_rewrite(853),rewrite([3867(12)])].

4010 (x * y) / (C' * y) = R(C * x,C',y).  [para(599(a,1),80(a,1,1)),flip(a)].

4347 A' / x = A' * x'.  [para(2111(a,1),10(a,1,2)),flip(a)].

4394 ((A * x) * y)' * A = A' * (x * (y * A'))'.  [back_rewrite(2725),rewrite([4347(7)]),flip(a)].

4409 (x * (A * A))' = A' * (A' * x').  [back_rewrite(1951),rewrite([4347(10),896(10),4347(10)])].

4425 (x * (A' * y')) * (y * A) = R(x,A' * y',y * A).  [back_rewrite(912),rewrite([4347(3),4347(11)])].

4430 (x * A) * ((A' * x') * y) = y.  [back_rewrite(906),rewrite([4347(5)])].

4433 (A' * x') * ((x * A) * y) = y.  [back_rewrite(903),rewrite([4347(3)])].

4435 (x * A)' = A' * x'.  [back_rewrite(896),rewrite([4347(6)])].

4456 (x * (C * y))' * (C * (x * (y * C))) = C.  [para(70(a,1),65(a,1,2))].

4458 (x * (C * y))' = (x * (y * C))'.  [para(70(a,1),117(a,1,2)),rewrite([117(7)]),flip(a)].

4521 R(C',x,C / x) = R(C,x,x')'.  [para(157(a,1),18(a,1,1)),rewrite([1134(4),29(5)]),flip(a)].

4627 (A * C) * (A * x) = A * (A * (x * C)).  [para(569(a,1),58(a,2,2,2)),rewrite([16(3),190(10),435(14),461(15),1102(16),435(11),86(12),439(1

1),461(10,R),10(10),16(9),3(13)]),flip(a)].

4679 x * (C * (x' * (y * x'))) = y * (x' * C).  [para(72(a,2),35(a,1,2))].

4714 (x * (y * (x * C))) / (C * (y * x)) = R(x,y * x,C).  [para(72(a,1),101(a,1,1)),rewrite([16(7,R)])].

4775 A * (A * ((C * A') * x)) = C * (A * x).  [para(2223(a,1),72(a,2,2)),rewrite([83(7),307(6),16(11,R),2368(12)]),flip(a)].

4780 C' * ((C * x) * x) = C * ((x * C') * x).  [para(72(a,2),2312(a,1)),rewrite([507(9),16(15,R),507(15)]),flip(a)].

4846 R(A',x',x) = A'.  [para(1965(a,1),6(a,1,1)),rewrite([435(3),2(4)]),flip(a)].

4871 (A' * x) * (x' * A) = 0.  [para(2027(a,1),9(a,1,2))].

4873 (A' * x) * ((x' * A) * y) = y.  [para(2027(a,1),35(a,1,2,1))].

4874 (x' * A) * (C * (A' * x)) = C.  [para(2027(a,1),65(a,1,1))].

4898 R(x' * A,A' * x,y) = x' * A.  [para(2027(a,1),82(a,1,1)),rewrite([2027(11)])].

4905 (C * (x * (y * x))) / (y * (C * x)) = x.  [para(73(a,2),6(a,1,1))].

4919 (x * (C * y)) / (C * (y * (x * y))) = y'.  [para(73(a,2),33(a,1,2))].

4920 x * (y' * C) = x * (C * y').  [para(73(a,2),35(a,1,2)),rewrite([4679(7)])].

4926 x * ((y * x') * (C * x)) = C * (x * R(y,x',x)).  [para(83(a,1),73(a,1,2,2)),flip(a)].

5026 R(x,y' * C,z) = R(x,C * y',z).  [para(4920(a,1),18(a,1,1,1)),rewrite([397(10)]),flip(a)].

5067 (A * x') * ((x * A') * y) = y.  [para(2075(a,1),10(a,1,1))].

5075 (x * (A * y')) * (y * A') = R(x,A * y',y * A').  [para(2075(a,1),83(a,1,1,2)),rewrite([2075(12)])].

5094 R(x * A',A * x',y) = x * A'.  [para(2075(a,1),84(a,1,2))].

5099 R(x,C * A',A * C') = x.  [back_rewrite(3076),rewrite([5067(10)]),flip(a)].

5100 (x' * A') * ((A * x) * y) = y.  [para(2076(a,1),10(a,1,1))].

5101 (x' * A') * (C * (A * x)) = C.  [para(2076(a,1),65(a,1,1))].

5133 C * (x * (C' * C')) = C' * x.  [para(3385(a,1),80(a,1)),rewrite([107(2),35(16),599(12)]),flip(a)].

5134 R(x,C' * C',C * C) = x.  [back_rewrite(1268),rewrite([5133(9),35(5)]),flip(a)].

5167 R(A * C,A',A * x) = (C * (A * x)) / x.  [para(1974(a,1),81(a,1,1)),rewrite([435(4),83(7),307(6),435(10),2805(13)]),flip(a)].

5310 R(A,x,x' * A') = A.  [para(2076(a,1),85(a,1,3)),rewrite([2076(9),35(11),31(9)])].

5363 R(A,x',x * A) = A.  [para(15(a,1),88(a,1,1)),rewrite([8(3),2(4),435(5),12(6),9(5),3(3)]),flip(a)].

5404 R(A' * x,A',A * y) = (A' * (x * y)) / y.  [para(1841(a,1),88(a,1,1,1)),rewrite([13(9),10(7)]),flip(a)].

5442 R(A,x',x * (y * (x * A))) = R(A,y,x * A).  [para(60(a,1),88(a,1,1)),rewrite([10(5),96(9)]),flip(a)].

5457 R(A,A * x',x) = A.  [para(7(a,1),5363(a,1,3)),rewrite([435(3),2075(5)])].

5480 R(A,A * x,x') = A.  [para(31(a,1),5457(a,1,2,2))].

5532 (x * (C' * (x * y))) / (y * C') = R(x * x,C',y).  [para(461(a,1),89(a,1,2)),rewrite([479(5)])].

5533 (x * (C' * (x * y))) / (C' * y) = R(x * x,C',y).  [para(461(a,2),89(a,1,1,1,2)),rewrite([13(5)])].

5611 A' * ((A * x) * x) = x * x.  [para(2153(a,1),89(a,1,1)),rewrite([8(10),24(8),307(11)])].

5693 R(A * A,x,x') = A * A.  [para(5480(a,1),79(a,1,1)),rewrite([86(5),2028(4),335(9)]),flip(a)].

5714 R(x,C' * C',C) = x.  [para(64(a,1),91(a,1,2)),rewrite([16(8,R),5133(8),599(6),35(5)]),flip(a)].

5819 R(x,C * C,y * C') = R(x,y,C).  [para(507(a,1),91(a,1,2,2)),rewrite([1272(8),507(6),102(6)]),flip(a)].

6085 R(x * (x * x),x,y) = x * (x * x).  [para(46(a,1),92(a,1,1)),rewrite([40(6)]),flip(a)].

6142 x / (C' * C') = C * (x * C).  [para(5714(a,1),80(a,1)),rewrite([16(15,R),35(15),599(11)])].

6150 ((x * y) / (z * y)) * (R(z / x,x,y) * u) = u.  [para(80(a,2),138(a,1,2,1))].

6222 R(x,A * x,A) = x.  [para(50(a,1),93(a,1,2)),rewrite([6(10)]),flip(a)].

6262 R(x,(C' * y) * x,z) = R(x,(y * C') * x,z).  [para(787(a,1),93(a,2,2)),rewrite([93(12)])].

6303 R(x,A' * x,A') = x.  [para(1841(a,1),93(a,1,2)),rewrite([6(14)]),flip(a)].

6333 R(C * x,y * (C * x),z) = R(C * x,y * (x * C),z).  [para(2536(a,1),93(a,2,2)),rewrite([93(12)])].

6433 R(A' * x,x,A) = A' * x.  [para(35(a,1),6222(a,1,2))].

6572 C' * (C' * (C' * (x * (C * (C * C))))) = R(x,C * (C * C),C').  [para(1156(a,1),94(a,1,2)),rewrite([461(9,R),1863(13),461(14,R)])].

6737 R(A * x,x,A') = A * x.  [para(10(a,1),6303(a,1,2))].

6873 A * (A * (C * ((A' * C') * x))) = R(A * x,A * C,C').  [para(2836(a,1),95(a,1,1,2)),rewrite([16(12),461(15,R),64(15),435(11),1090(12),435

(10),3095(11),1102(10),107(7),461(8),16(17)])].

6952 (A * (x * A)) / (y' * ((y * x) * A)) = R(A,x / y,y * A).  [para(7(a,1),96(a,1,1,2,1)),rewrite([1091(8)])].

6954 R(A,x,x * A) = A.  [para(12(a,1),96(a,1,1,2)),rewrite([6(9)]),flip(a)].

6958 (A * ((x * C) * A)) / (C * (x * A)) = R(A,C,x * A).  [para(16(a,1),96(a,1,1,2,1))].

6959 (A * ((C * x) * A)) / (x * (A * C)) = R(A,x,A * C).  [para(16(a,2),96(a,1,1,2,1)),rewrite([16(9),16(15)])].

6981 A * ((R(x,y,A) * y) / (x * y)) = R(A,R(x,y,A),y * A).  [para(79(a,1),96(a,1,2)),rewrite([3867(11)])].

6996 (A * (C * (x * (A * C)))) / (x * (A * (C * C))) = R(A,x,A * (C * C)).  [para(1222(a,2),96(a,1,1,2,1)),rewrite([71(7),16(5),12(13),16(12)

,1255(13),12(21),16(20),1255(21)])].

7026 R(A,C' * x,A * C) = R(A,C',(x * C) * A).  [para(2197(a,2),96(a,1,2)),rewrite([64(6),6952(12),107(3),16(7)])].

7044 (A * (x * A)) / (C * ((x * C') * A)) = R(A,C,(x * C') * A).  [para(507(a,1),96(a,1,1,2,1))].

7060 R(A,x * A',x) = A.  [para(7(a,1),6954(a,1,3)),rewrite([435(3)])].

7088 R(A',C',C')' = A.  [para(461(a,1),7060(a,1,2)),rewrite([142(9)])].

7151 R(x,C * (y * A),C) = R(x,C * C,y * A).  [para(1156(a,1),97(a,1,1,1,2)),rewrite([1272(7),71(15),1913(17),2369(17),1421(16),2815(17),2369(

16),3101(18),102(14),1156(14)])].

7168 ((x * (A * y)) * (A * A)) / (A * (y * (A * A))) = R(x,A * y,A * A).  [para(1926(a,1),97(a,1,2,2))].

7220 (A * (x * A)) / (A * ((C' * x) * A)) = R(C',A,x * A)'.  [para(507(a,1),97(a,1,1,1)),rewrite([644(20)])].

7253 R(A',C',C') = A'.  [para(7088(a,1),31(a,1,1)),flip(a)].

7254 (A * ((A' * x) * y)) / y = R(x,A,A' * y).  [para(7088(a,1),88(a,1,1,1,2)),rewrite([7253(9),2237(6),7253(14),31(10),7253(15)])].

7289 C' * (x * (C * (C / x))) = R(C,x,C * x').  [para(123(a,1),98(a,1,2)),rewrite([1105(6),107(7)])].

7303 (C * (C * (A * (x * A)))) / (A * ((x * C) * A)) = R(C,A * x,A * C).  [para(74(a,1),98(a,1,2)),rewrite([16(4,R),1421(8),50(6)])].

7326 R(C' * ((A * C) * x),C,A) = R(A * x,A,C).  [para(50(a,1),102(a,1,1,2)),rewrite([16(9),2004(10),16(5)])].

7346 (C / x) / R(C,x,x') = x'.  [para(1134(a,1),33(a,1,2))].

7347 R(C,x,C * x') = R(C,x,x').  [para(141(a,1),1134(a,2,3)),rewrite([1707(8),1092(9),599(5),2291(8),16(6,R),7289(8),142(12),4521(10),31(10)]

)].

7350 R(x',R(C,x,x'),y) = R(x,C / x,y)'.  [para(1134(a,1),143(a,1,2))].

7416 R(x * C,C / x,C) = (C * (C * C)) / (C * (C / x)).  [para(1148(a,1),101(a,1,1,2)),rewrite([16(9,R)]),flip(a)].

7422 (C' / x) * (((x * C) * y) * (C / x)) = C * (C * (y / (x * C))).  [para(1148(a,1),1091(a,1,2)),rewrite([1222(7,R),559(10)]),flip(a)].

7424 ((x * C) * x) * (C / x) = C * (x * C).  [para(1148(a,1),479(a,2,2,2)),rewrite([461(7,R),64(7),1222(14,R),9(13),3(11),16(10,R)])].

7556 (C * (C * (x * y))) / (C * (y * C)) = R(x,y,C * C).  [para(1255(a,2),18(a,1,2)),rewrite([1222(5,R)])].

7558 (x * C) * (x * (C * C)) = C * (C * ((C * x) * x)).  [para(1255(a,1),68(a,2,2)),rewrite([604(6)]),flip(a)].

7601 R(x,C',C * (y * C)) = R(x,C',y * (C * C)).  [para(1255(a,1),88(a,2,3)),rewrite([2312(8),2582(11),16(6,R)])].

7627 (A * (C * (x * (A * C)))) / (A * ((C * x) * A)) = R(C,A * C,x * A).  [para(1255(a,1),97(a,1,1,1)),rewrite([1272(8),1927(8)])].

7629 (C * (x * (y * C))) / (y * (C * C)) = R(x,y * C,C).  [para(1255(a,1),102(a,1,2))].

7634 x / (C' * (x * C')) = C * C.  [para(7(a,1),1265(a,1,1)),rewrite([1863(4)])].

7638 x / (x * (C' * C')) = C * C.  [para(83(a,1),1265(a,1,1)),rewrite([175(4),5134(9),175(4)])].

7816 R(A * x,A,A' * y) = (A * (x * y)) / y.  [para(50(a,1),126(a,1,1,1)),rewrite([1102(8),435(5),86(6),439(5)]),flip(a)].

8035 R(x,A * x,x' * A') = x.  [para(2152(a,1),93(a,1,2)),rewrite([35(6),9(4),3(2),24(2)]),flip(a)].

8113 x * ((C * y) * z) = x * ((y * C) * z).  [para(2584(a,1),1091(a,1,1)),rewrite([509(7),391(14),556(15)])].

8182 x * (C * (A * (A * C))) = x * (A * (A * (C * C))).  [para(74(a,1),8113(a,2,2)),rewrite([16(3),604(7),16(4),50(6),16(5),12(14),16(13),125

5(14)])].

8394 C * (C * (x / (y * C))) = (C * x) / y.  [para(2587(a,1),40(a,1,1,2)),rewrite([16(9,R)]),flip(a)].

8419 (C' / x) * (((x * C) * y) * (C / x)) = (C * y) / x.  [back_rewrite(7422),rewrite([8394(17)])].

8551 (x / (y * C)) * (((C * y) / x) * z) = z.  [para(2635(a,1),138(a,1,1))].

8565 (C * (C * x)) / y = (x * (C * C)) / y.  [para(1222(a,1),2641(a,1,1)),rewrite([16(9,R)]),flip(a)].

8633 R(x,A' * x,x' * A) = x.  [para(4871(a,1),93(a,1,2)),rewrite([35(6),8(4),3(2),24(2)]),flip(a)].

8670 R(A' * x,A',A * C) = C' * (A' * (x * C)).  [para(1841(a,1),135(a,1,2,1)),rewrite([16(11),13(12),10(10),16(16)]),flip(a)].

8797 R(C' * x,(C / x) * y,z) = R(C / x,y,z)'.  [para(141(a,1),142(a,1,2,1)),rewrite([141(11)])].

8934 (A * (x * (x * A'))) / (x * A') = A * x.  [para(6737(a,1),18(a,2)),rewrite([3904(6)])].

8935 (A * x) * (x * A') = A * (x * (x * A')).  [para(6737(a,1),79(a,1,1)),rewrite([3904(12)])].

8948 x / (A * x') = x * (x * A').  [back_rewrite(2823),rewrite([8935(8),10(9)]),flip(a)].

8967 ((x * y) * (C * y')) / R(x,y,C * y') = C.  [para(150(a,1),33(a,1,2)),rewrite([31(13)])].

8970 R(A * x,A,C * A') = C' * (A * (C * x)).  [para(50(a,1),150(a,1,2,1)),rewrite([1105(11),435(8),86(9),439(8)]),flip(a)].

8990 R(A * x,A * C,A') = C' * (A * (x * C)).  [para(74(a,1),150(a,1,2,1)),rewrite([559(13),435(13),461(14),507(15),1090(11),435(9),86(10),439

(9),559(17),435(17),461(18),507(19)]),flip(a)].

9012 C' * ((A' * ((A * x) * y)) * (C * A')) = R(x * (y * A'),A,C * A').  [para(2153(a,1),150(a,1,2,1))].

9097 R(x,A' * C',A * C) = x.  [para(871(a,1),158(a,1,1)),rewrite([16(3),461(8),3093(10)])].

9131 (A * C) * ((A' * C') * x) = x.  [back_rewrite(3093),rewrite([9097(19)])].

9182 (A' * C') * ((A * C) * x) = x.  [para(871(a,1),159(a,1,2,1)),rewrite([461(5),16(8)])].

9678 (x * A) * (x * A) = x * (A * (x * A)).  [para(161(a,1),871(a,1)),rewrite([871(3),871(5),871(8),1918(10)])].

10600 (C * (C * C)) / (C * x) = C * (x' * C).  [para(1220(a,1),40(a,1,1,2))].

10633 R(x * C,C / x,C) = C * x.  [back_rewrite(7416),rewrite([10600(16),112(10),107(9),16(12,R),35(12)])].

10635 R(x',C,C * C)' = x.  [back_rewrite(1501),rewrite([10600(13),509(7),1304(7),31(5),16(9,R),35(9),507(5)]),flip(a)].

10659 R(x',C,C * C) = x'.  [para(10635(a,1),31(a,1,1)),flip(a)].

10662 R(x,C,C * C) = x.  [para(31(a,1),10659(a,1,1)),rewrite([31(7)])].

10665 R(x,C * C,C) = x.  [back_rewrite(1633),rewrite([10662(10)])].

10671 x' * (C * (x * (C * C))) = C * (C * C).  [para(10665(a,1),751(a,1,1,1)),rewrite([16(7,R),16(13,R)])].

10762 ((x * (C' * C')) * (y * (C * C))) / y = R(x,C' * C',y * (C * C)).  [para(1245(a,1),91(a,1,2,2)),rewrite([10(16)])].

10918 (x * y)' * x = x' * (x / y).  [para(1702(a,1),10(a,1,2)),flip(a)].

10934 (x' / y) * x = x' * (x' * y)'.  [para(1702(a,1),1089(a,1,1)),rewrite([10918(9),31(6),1708(9),1735(8)])].

10942 C * ((C' * x) * A') = R(x * A',A,C).  [para(1642(a,1),1702(a,2)),rewrite([1421(8),509(9),1304(9),4435(7),461(11,R),1092(15),599(14),35(

13),83(9),4846(8),461(7),2224(8)])].

10943 (x * y)' * (x * z) = x' * ((x / y) * z).  [para(1702(a,1),1091(a,2,2,1)),rewrite([10918(3),1750(4),975(4),10(5)])].

10961 (x' / y) * (x * z) = x' * ((x' * y)' * z).  [para(1702(a,1),1092(a,1,1)),rewrite([10918(10),31(7),1708(10),10934(8),35(11)])].

10972 (C / (C / x)) * (C' / x) = C'.  [para(1702(a,1),475(a,1,2)),rewrite([141(4),461(5,R),1057(5),509(6),1080(6)])].

10974 (x * C') / (y * x) = x / (y * (x * C)).  [para(72(a,2),1702(a,1,2,1,1)),rewrite([509(5),3558(7)])].

10976 x / (y * (C * x)) = x / (y * (x * C)).  [para(73(a,2),1702(a,1,2,1,1)),rewrite([509(5),3558(7),10974(5)]),flip(a)].

11017 A * (C' * ((C * A') * x)) = R(x,A,C).  [back_rewrite(3113),rewrite([10942(10),86(5),439(4)]),flip(a)].

11026 x / (A * (x * C)) = R(A' * C',A,x).  [back_rewrite(1663),rewrite([10974(6)])].

11027 R(x,C',y * C)' = R(x,C',y)'.  [back_rewrite(1459),rewrite([10974(8),2548(6),2580(7)])].

11029 A' * (C * ((A * C') * x)) = R(x,A,C).  [back_rewrite(3092),rewrite([11017(20)])].

11186 (x * (x * y)') * x = R(x / y,x',x).  [para(10934(a,1),83(a,1,1)),rewrite([31(2),31(2),31(6)])].

11274 (x / y) * (((y / x) / x) * z) = y' * ((y / x) * z).  [para(7(a,1),10943(a,1,1,1)),rewrite([112(6)]),flip(a)].

11845 R(A',C,A * C) = A'.  [para(871(a,1),1823(a,1,3)),rewrite([16(6),871(12),16(11),33(12)])].

11863 C * (C * (A * (x * A))) = A * (C * ((C * x) * A)).  [para(1156(a,1),190(a,1,1)),rewrite([12(8),2800(18),1272(17),2368(18),50(20),2138(1

9),35(20)])].

11948 (A * (C * ((C * x) * A))) / (A * ((x * C) * A)) = R(C,A * x,A * C).  [back_rewrite(7303),rewrite([11863(8)])].

11957 R(x,A * A,A') = x.  [para(1935(a,1),18(a,1,1)),rewrite([12(8),9(7),3(5),435(4),86(5),439(4)]),flip(a)].

11985 A' * ((x * (A * A)) * (C * A')) = C * (A' * (x * A)).  [para(1935(a,1),72(a,1,2,2)),rewrite([16(17,R)]),flip(a)].

12025 ((x * (A * C')) * A) / (A * (A * C')) = R(x,A * C',A).  [para(461(a,1),193(a,1,2,2))].

12026 R(R(x,A,y),A * y,A) = x.  [para(79(a,1),193(a,1,1,1)),rewrite([1918(5),6(10)]),flip(a)].

12030 C' * (A * ((C * A') * x)) = R(x,A',A * C).  [para(264(a,1),193(a,1,1,1,2)),rewrite([16(4,R),2153(7),16(6,R),2368(7),2153(17),1090(16),4

35(14),123(16),16(12,R),123(13),107(9),264(19),16(14,R),2805(16)])].

12031 R(R(x,C,A),A * C,A) = R(x,C,A * A).  [para(757(a,1),193(a,1,1,1)),rewrite([1926(6),16(10),860(12),64(5)]),flip(a)].

12064 R(x,A * (A * x),A) = x.  [para(46(a,1),193(a,1,1)),rewrite([50(12),6(14)]),flip(a)].

12096 R(A' * x,A * x,A) = A' * x.  [para(35(a,1),12064(a,1,2,2))].

12114 R(R(x,A,A' * y),y,A) = x.  [para(35(a,1),12026(a,1,2))].

12115 R(R(x,A,C * A'),C,A) = x.  [para(123(a,1),12026(a,1,2))].

12199 R(C,A * (A * C),A') = C.  [para(1935(a,1),203(a,1,2)),rewrite([12(9),123(8),1255(5),16(8),1283(9),67(7)]),flip(a)].

12204 x / (A' * A') = x * (A * A).  [para(1946(a,1),80(a,1)),rewrite([12(19),10(18),8(14),24(12)])].

12925 C' * (x * (C * (C * C))) = C * (x * C).  [para(248(a,2),40(a,1,1)),rewrite([1863(12),461(13,R),10(13)])].

13068 R(x,C * (C * C),C') = x.  [back_rewrite(6572),rewrite([12925(13),10(9),64(5)]),flip(a)].

13072 x / (C * (C * C)) = C' * (C' * (x * C')).  [para(13068(a,1),80(a,1)),rewrite([461(17,R),10(17),1863(13),461(14,R)])].

13522 x / (C * A') = x * (A * C').  [para(5099(a,1),80(a,1)),rewrite([2223(19),461(18,R),64(18),8(14),24(12)])].

13527 A * ((A' * C') * (A' * (C * (x * A)))) = (C * A') * (x * (A * C')).  [back_rewrite(3081),rewrite([13522(24)])].

13529 R(C' * (A' * x),C,A') = A' * (x * C').  [back_rewrite(1903),rewrite([13522(11),13(11),10(9)]),flip(a)].

13530 C * ((A' * C') * x) = R(A' * x,A',C).  [back_rewrite(1898),rewrite([13522(13),2224(13),1913(12),461(6),83(11),307(10)])].

13533 A * (A * R(A' * x,A',C)) = R(A * x,A * C,C').  [back_rewrite(6873),rewrite([13530(10)])].

13536 A' * (C' * ((A * C) * x)) = A * R(A' * x,A',C).  [back_rewrite(2703),rewrite([13530(19)])].

13537 A * (R(A' * x,A',C) * A) = C * ((x * C') * A).  [back_rewrite(2144),rewrite([13530(9)])].

14702 (A * x) * x = A * (x * x).  [para(5611(a,1),10(a,1,2)),rewrite([31(3)]),flip(a)].

14872 (A * (x' * x')) * x = R(A * x',x',x).  [para(14702(a,1),83(a,1,1))].

15863 (C * (x' * C)) / R(C,x,x') = C / x.  [para(141(a,1),7346(a,1,2,3)),rewrite([1707(5),142(12),4521(10),31(10),141(13)])].

15932 (x * (y * A')) * (A * z) = A' * (((A * x) * y) * z).  [para(312(a,1),2223(a,2,2,1)),rewrite([2223(6),1841(9),3904(8),10(9),307(14)])].

15944 (x * A) * (y * (x * A)) = x * (A * ((y * x) * A)).  [para(60(a,1),312(a,1,2)),rewrite([10(5),2050(9)]),flip(a)].

15948 A' * ((x * (y * A'))' * A') = ((A * x) * y)'.  [para(312(a,1),2076(a,1,1)),rewrite([307(5),2223(10),2027(11),4394(10),1841(15)]),flip(a

)].

16078 C * (A * ((x * C) * A)) = A * (C * (C * (x * A))).  [para(313(a,1),1974(a,1)),rewrite([3570(8),16(6,R),307(12),1090(16),435(14),123(16)

]),flip(a)].

16083 (x * A') * x = x * (A' * x).  [para(313(a,1),1913(a,1)),rewrite([307(8),83(12),307(11)]),flip(a)].

16206 R(A' * x,x,x') = A' * x.  [para(35(a,1),8035(a,1,2)),rewrite([2027(7),86(9),439(8)])].

16263 R(x * C',C,y * C') = (x * (y * C')) / y.  [para(507(a,1),318(a,1,2)),rewrite([474(4)]),flip(a)].

16301 (x * A') * A' = x * (A' * A').  [para(11957(a,1),318(a,2)),rewrite([175(4),1946(9),12(9),9(8),3(6),435(5),175(10)])].

16365 R(A * x,x,x') = A * x.  [para(10(a,1),8633(a,1,2)),rewrite([2076(5),83(8),307(7)])].

16391 R(A * x',x',x) = A * x'.  [para(31(a,1),16365(a,1,3))].

16412 (A * x) / x' = A * (x * x).  [para(16365(a,1),332(a,1,1)),rewrite([14702(7)])].

16419 (A * (x' * x')) * x = A * x'.  [back_rewrite(14872),rewrite([16391(11)])].

16428 (C' * (x * (y * C))) / y = R(x,y * C,C').  [para(461(a,2),319(a,1,1)),rewrite([31(5),31(9),458(10),31(10)])].

16472 R(x,A',A') = x.  [para(6433(a,1),319(a,1,2)),rewrite([12(8),2707(11),1102(10),435(5),16301(9),10(11),12204(12),15932(10),1090(7),435(5)

,2153(9),12(8),10(9),10(5),12(8),2676(10),12(9),8(8),3(6)]),flip(a)].

16494 (x * (A' * C')) * (A * C) = x.  [para(9097(a,1),18(a,2)),rewrite([2548(19),83(18),307(17),16(14,R),9(14),24(12)])].

16495 x / (A' * C') = x * (A * C).  [para(9097(a,1),80(a,1)),rewrite([2548(19),83(18),307(17),16(14,R),9(14),24(12)])].

16628 R(C * A',A * C,C) = C * A'.  [para(871(a,1),10633(a,1,2)),rewrite([16(4,R),16(7)])].

16660 (x * (A * C)) * (A' * C') = R(x,A * C,A' * C').  [para(871(a,1),324(a,1,1,2)),rewrite([16(3),461(9),871(14),16(13),461(18)])].

16909 R((x * (A' * y)) / y,y,A) = x * A'.  [para(80(a,1),12114(a,1,1)),rewrite([35(9),435(9)])].

16999 (x * (x * y))' * R(x * x,y,y') = y'.  [para(12(a,1),334(a,1,1,1))].

17540 (C * (x * (y * C))) * y' = R(C * (x * C),y,y').  [para(16(a,1),338(a,1,1,2,2))].

17759 R(x,A * (y * A),A') = R(x,A,y).  [para(50(a,1),343(a,1,1,1,2)),rewrite([1963(8),439(9),882(6),86(5),439(4),50(6)]),flip(a)].

17776 R(A * x,A * C,C') = C' * ((A * C) * x).  [para(74(a,1),343(a,1,1,1)),rewrite([461(9,R),458(14),435(11),1963(12),461(4),2548(7),16(5)]),

flip(a)].

17790 R(x,C',C') = x.  [para(1629(a,1),343(a,1,2)),rewrite([16(7,R),35(7),461(6,R),6142(12),16(9,R),35(9),507(5),16(7,R),35(7)]),flip(a)].

17820 A * (A * R(A' * x,A',C)) = C' * ((A * C) * x).  [back_rewrite(13533),rewrite([17776(19)])].

18141 (A * x') / x = A * (x' * x').  [para(31(a,1),16412(a,1,2))].

18581 R(x * C,C * x,y) = C * x.  [para(396(a,1),90(a,1))].

18619 (C * ((x * C') * x)) * (C / x) = C * x.  [para(18581(a,1),150(a,2)),rewrite([2603(7),509(11),2241(13),4780(9),10(14)])].

18795 x' * (C' * (x * x)) = x * C'.  [para(477(a,2),10(a,1,2))].

19180 (A * (C * (x * (A * C)))) / (C * (C * (x * A))) = R(A,C * x,A * C).  [para(74(a,1),397(a,1,1)),rewrite([16(5,R),71(7),16(5),2377(14)])]

.

19511 x / (A * C') = x * (C * A').  [para(435(a,1),430(a,1,1,2)),rewrite([461(8),5099(9),461(4),435(8)])].

19516 C' * ((C * x) * A') = R(x * A',A,C').  [back_rewrite(1664),rewrite([19511(8),1092(8),599(5)])].

19809 ((x * C') * A) * (C * A') = R(x,C',A).  [para(1133(a,1),193(a,1,1,1,2)),rewrite([439(6),435(10),461(11),1089(13),871(13),461(12),10(13)

,19511(10),435(15),461(16),35(17)])].

19870 R(A,x,A * x) = A.  [para(437(a,1),18(a,1,1)),rewrite([6(9)]),flip(a)].

19929 R(A',x,x)' = A.  [para(35(a,1),19870(a,1,3)),rewrite([142(5)])].

19945 R(A',x,x) = A'.  [para(19929(a,1),31(a,1,1)),flip(a)].

19948 (A' * x) * x = A' * (x * x).  [para(19945(a,1),79(a,1,1)),flip(a)].

19976 (C' * (x * (A * C))) * A' = R(x,A * C,C').  [para(462(a,1),435(a,1)),rewrite([16(3),16(11)]),flip(a)].

19978 (C' * (x * (C * A'))) * A = R(x,C * A',C').  [para(462(a,1),871(a,1)),flip(a)].

20117 C * (x * (C * (y * x))) = x * (C * (y * (C * x))).  [para(71(a,1),469(a,1,2,2)),rewrite([507(7),71(11)])].

20488 x' * (C' * (x * (y * x))) = y * (x * C').  [para(482(a,2),10(a,1,2))].

20494 C' * ((x * C) * x) = C * ((C' * x) * x).  [para(64(a,1),482(a,1,2,2)),rewrite([461(15,R),64(15),2290(12)])].

20538 A * (A * ((A' * C') * x)) = C' * (A * x).  [para(2223(a,1),482(a,2,2)),rewrite([83(8),307(7),461(13,R),3069(14)]),flip(a)].

20673 R(x,C * C,y) = R(x,y * C,C).  [para(16(a,1),1258(a,2,2))].

20688 R(A,C * C,x * A) = R(A,C * x,A * C).  [para(1258(a,1),96(a,2)),rewrite([12(5),71(7),16(5),12(14),19180(15),7151(14)]),flip(a)].

20902 C' * ((A * C) * x) = R(A * x,A,C').  [para(50(a,1),489(a,1,1,2)),rewrite([19511(12),1092(12),599(9),1963(11),16(5)])].

20910 C' * ((C * A') * x) = R(A' * x,A',C').  [para(1841(a,1),489(a,1,1,2)),rewrite([16495(15),1103(13),1913(12),83(11),307(10)])].

20911 R((A * C) * x,A,C') = A * (C * x).  [para(1974(a,1),489(a,1,1,2)),rewrite([10(9),19511(9),1105(9),435(6),86(7),439(6)]),flip(a)].

20945 A * (A * R(A' * x,A',C)) = R(A * x,A,C').  [back_rewrite(17820),rewrite([20902(18)])].

20947 A' * R(A * x,A,C') = A * R(A' * x,A',C).  [back_rewrite(13536),rewrite([20902(9)])].

20948 R(R(A * x,A,C'),C,A) = R(A * x,A,C).  [back_rewrite(7326),rewrite([20902(7)])].

20953 A * R(A' * x,A',C') = R(x,A,C).  [back_rewrite(11017),rewrite([20910(9)])].

21336 (A * x) * (x' * (A' * x)) = x.  [para(1090(a,1),2161(a,1,2)),rewrite([4347(7),31(7),31(10)])].

21408 C' * ((x * (A * C)) * A') = R(x,A * C,A').  [para(2162(a,1),397(a,1,2)),rewrite([16(3),461(10),507(11),107(9),16(13),461(19),507(20)])]

.

21589 R(x,A * C',C * A') = x.  [para(4871(a,1),522(a,1,1,2)),rewrite([871(5),461(4),3(7),461(9),19511(10),5075(10),871(14),461(13),16(17,R),4

61(21),2223(22),461(21,R),64(21),8(17),78(15)])].

21593 R(x,y,C * (z * z)) = R(x,y,z * (z * C)).  [para(12(a,1),2597(a,2,3))].

21664 R(x,C' * x,C') = x.  [para(483(a,2),2872(a,1,1)),rewrite([461(13,R),490(14)])].

21669 R(A' * C',(A * C) * x,y) = R(A * C,x,y)'.  [para(435(a,1),523(a,1,1)),rewrite([461(5)])].

21705 R(C * x,x,C') = C * x.  [para(10(a,1),21664(a,1,2))].

21801 R(x * (C * A'),A * C',A) = (x * A) / (A * (A * C')).  [para(2873(a,1),193(a,1,1,1)),rewrite([461(7),461(13),19511(14)]),flip(a)].

22051 R(x,A,(A' * x') * y)' = R(x',A,A' * y).  [para(4430(a,1),139(a,1,2)),rewrite([7254(8)]),flip(a)].

22113 (x * (C * y)) * (x * (y * C))' = 0.  [para(4458(a,1),9(a,1,2))].

22115 (x * (y * C))' * ((x * (C * y)) * z) = z.  [para(4458(a,1),10(a,1,1))].

22150 R(x * (C * y),(x * (y * C))',z) = x * (C * y).  [para(4458(a,1),84(a,1,2))].

22446 x / (A * C) = x * (A' * C').  [para(435(a,1),561(a,1,1,2)),rewrite([461(5),9097(9),435(8),461(9)])].

22457 (x * (A * (y * A))) * (A' * C') = R(C' * ((x * A) * y),C,A).  [back_rewrite(2004),rewrite([22446(9)])].

22459 R((C * x) * A',A,C) = C * (x * A').  [back_rewrite(1884),rewrite([22446(8),1272(10),507(8)]),flip(a)].

22510 (A' * x) * (x' * (A * A)) = A.  [para(1926(a,1),4873(a,1,2))].

22528 R(x',A,C * (A' * x)) = C / (A * (C * (A' * x))).  [para(4874(a,1),18(a,1,1)),flip(a)].

22535 R(x',A,C * (A' * x))' = C' * (A * (C * (A' * x))).  [para(4874(a,1),139(a,1,2)),rewrite([107(9)]),flip(a)].

22536 C * R(x',A,C * (A' * x))' = A * (C * (A' * x)).  [para(4874(a,1),751(a,1,2)),rewrite([16(11,R)])].

22731 R(x',A',C * (A * x))' = R(x,A',A * C).  [para(5101(a,1),139(a,1,2)),rewrite([2368(7),107(9),12030(10)]),flip(a)].

22732 C * R(x,A',A * C) = A * ((C * A') * x).  [para(5101(a,1),751(a,1,2)),rewrite([22731(9),16(8,R),2368(15)])].

23298 R(x,C * C,y * (C' * C')) = R(x,C' * y,C).  [para(7638(a,1),81(a,1,1,1,2)),rewrite([1272(11),5133(9),921(7),7638(12)]),flip(a)].

23577 (x * A) * x = x * (A * x).  [para(7(a,1),8948(a,2,2)),rewrite([871(3),871(6),4435(6),35(8),1708(4),871(6)]),flip(a)].

23591 (A * (x' * x')) * (x * (x * A')) = 0.  [para(8948(a,1),137(a,1,2)),rewrite([18141(4)])].

23622 (x * (A * x)) / x = x * A.  [para(23577(a,1),6(a,1,1))].

23626 (x * (A * (x * y))) / (x * y) = R(x * A,x,y).  [para(23577(a,1),18(a,1,1,1)),rewrite([13(4)])].

23627 R(x,A,x) = x.  [para(23577(a,1),18(a,1,1)),rewrite([6(6)]),flip(a)].

23629 x / (x * (A * x)) = A' * x'.  [para(23577(a,1),33(a,1,2)),rewrite([4435(7)])].

23649 (x * (A * x)) / (A' * x') = x * (A * (x * (x * A))).  [para(23577(a,1),1708(a,1,1)),rewrite([4435(6),15944(14),12(12)])].

23750 R(A * x,A,A' * C') = C * (A * (x * C')).  [para(50(a,1),617(a,1,2,1)),rewrite([461(10),1102(11),435(6),86(7),439(6),461(15)]),flip(a)].

23757 R(A' * x,A',A * C') = C * (A' * (x * C')).  [para(1841(a,1),617(a,1,2,1)),rewrite([31(12),461(11),13(12),10(10),31(18),461(17)]),flip(a

)].

23759 R((A * C) * x,A,A' * C') = C * R(A * x,A,C).  [para(1974(a,1),617(a,1,2,1)),rewrite([461(12),22457(13),16(6),20902(8),20948(10),461(17)

]),flip(a)].

23921 R(C' * x,C,y) = R(C / x,x,y)'.  [para(107(a,1),625(a,1,1))].

23922 C * R(x / y,y,z) = C * R(y / x,x,z)'.  [para(625(a,2),111(a,1,1)),rewrite([16(4,R)])].

23940 R(x * (y' * x),x' * y,z) = R(x' * (y * x'),x,z)'.  [para(1750(a,1),625(a,2,1,1)),rewrite([1707(3)])].

24003 (x * A) / (A * (y * A)) = (x / y) * A'.  [para(625(a,1),193(a,2)),rewrite([7(6),3914(12),2076(11),112(9)])].

24058 R(C / (C / x),C' / x,y) = R(C * (C' / x),C',y)'.  [para(1080(a,1),625(a,1,1)),rewrite([599(14)])].

24111 R(x / (A * y),A * y,A) = (x / y) * A'.  [back_rewrite(854),rewrite([24003(14)])].

24287 C * R(A * x,A,C') = (A * C) * x.  [para(9131(a,1),12(a,2,2)),rewrite([604(7),16(4),50(6),16(5),46(14),13530(11),20945(12)])].

24290 R(A,C,(A' * C') * x) = x / R(A' * x,A',C).  [para(9131(a,1),18(a,1,1)),rewrite([13530(8)]),flip(a)].

24293 C * (A * (C * (A * R(A' * x,A',C)))) = (A * C) * (C * x).  [para(9131(a,1),69(a,2,2,2)),rewrite([16(8,R),1255(8),7558(9),16(5),50(7),16

(6),8182(9),1422(9),1533(16),13530(12)])].

24294 R(A,C,(A' * C') * x)' = R(A' * x,A',C) / x.  [para(9131(a,1),139(a,1,2)),rewrite([13530(8)]),flip(a)].

24295 R(A,C,(A' * C') * x)' * x = R(A' * x,A',C).  [para(9131(a,1),751(a,1,2)),rewrite([13530(19)])].

24297 A * (C * (A * ((A' * C') * x))) = C * ((A * C') * x).  [para(9131(a,1),479(a,2,2,2)),rewrite([461(9,R),64(9),50(5),16(4),69(12),2290(19

),461(17)])].

24307 R(A',C',(A * C) * x) = x / R(A * x,A,C').  [para(9182(a,1),18(a,1,1)),rewrite([20902(7)]),flip(a)].

24311 A' * (C' * (A' * ((A * C) * x))) = R(A' * x,A',C').  [para(9182(a,1),69(a,2,2,2)),rewrite([16(12,R),507(12),1841(8),461(7),479(13),2312

(21),20910(21)])].

24312 R(A',C',(A * C) * x)' = R(A * x,A,C') / x.  [para(9182(a,1),139(a,1,2)),rewrite([20902(7)]),flip(a)].

24315 C * (A * ((A' * C') * x)) = R(x,A',A * C').  [para(9182(a,1),2883(a,1,2)),rewrite([64(12),1913(8),461(7),2223(8),461(7,R),3069(8),599(1

1),64(21),2676(17),461(16)])].

24320 A * R(x,A',A * C') = C * ((A * C') * x).  [back_rewrite(24297),rewrite([24315(11)])].

24454 R(C / x,C' * (C' * x),y) = R(C' * x,C',y)'.  [para(461(a,2),634(a,1,2))].

24474 (C * x) / (y * x) = R(C' * y,C,x)'.  [para(634(a,1),398(a,2)),rewrite([16(7,R),35(7),7(3),35(7)])].

24549 R(C * (C' / x),C',(C * x) * y)' = R(x,C',y * C).  [para(10972(a,1),126(a,1,1,1)),rewrite([112(6),599(5),2582(7),112(16),599(15),24058(1

6)]),flip(a)].

24707 R(x,C,A') = R(x,A,C).  [para(13522(a,1),18(a,1)),rewrite([2223(10),461(9,R),3069(10),2548(9),20910(9),20953(10)]),flip(a)].

24710 A * ((A' * C') * x) = R(C' * x,A,C).  [para(13522(a,1),80(a,2)),rewrite([107(2),24707(7),2223(14),461(13,R),3069(14)]),flip(a)].

24719 A * R(A' * x,A',C) = R(x,A',C).  [para(13522(a,1),102(a,1)),rewrite([15932(10),461(9,R),20902(9),20947(9)])].

24741 R(C' * (A' * x),A,C) = A' * (x * C').  [back_rewrite(13529),rewrite([24707(10)])].

24747 C * R(C' * x,A,C) = R(x,A',A * C').  [back_rewrite(24315),rewrite([24710(9)])].

24751 A * R(C' * x,A,C) = C' * (A * x).  [back_rewrite(20538),rewrite([24710(9)])].

24752 (C * A') * (x * (A * C')) = A' * (x * A).  [back_rewrite(13527),rewrite([24710(15),24741(13),461(9,R),10(9)]),flip(a)].

24756 A' * (C' * (A * x)) = R(C' * x,A,C).  [back_rewrite(3069),rewrite([24710(16)])].

24758 C * (A * (C * R(x,A',C))) = (A * C) * (C * x).  [back_rewrite(24293),rewrite([24719(12)])].

24759 A' * R(A * x,A,C') = R(x,A',C).  [back_rewrite(20947),rewrite([24719(18)])].

24760 A * R(x,A',C) = R(A * x,A,C').  [back_rewrite(20945),rewrite([24719(10)])].

24763 R(x,A',C) = R(x,A,C').  [back_rewrite(24719),rewrite([24760(9),35(5)]),flip(a)].

24764 A * R(x,A,C') = R(A * x,A,C').  [back_rewrite(24760),rewrite([24763(5)])].

24765 A' * R(A * x,A,C') = R(x,A,C').  [back_rewrite(24759),rewrite([24763(13)])].

24766 C * (A * (C * R(x,A,C'))) = (A * C) * (C * x).  [back_rewrite(24758),rewrite([24763(7)])].

24769 R(A,C,(A' * C') * x)' * x = R(A' * x,A,C').  [back_rewrite(24295),rewrite([24763(18)])].

24770 R(A,C,(A' * C') * x)' = R(A' * x,A,C') / x.  [back_rewrite(24294),rewrite([24763(17)])].

24772 R(A,C,(A' * C') * x) = x / R(A' * x,A,C').  [back_rewrite(24290),rewrite([24763(16)])].

24776 A * (R(A' * x,A,C') * A) = C * ((x * C') * A).  [back_rewrite(13537),rewrite([24763(8)])].

24777 C * ((A' * C') * x) = R(A' * x,A,C').  [back_rewrite(13530),rewrite([24763(15)])].

24782 R(C / x,x,A') = R(C' * x,A,C)'.  [para(24707(a,1),625(a,2,1)),rewrite([107(7)])].

24784 C * ((C' * x) * A) = R(x * A,A,C').  [para(24763(a,1),80(a,1)),rewrite([871(3),16(12,R),13522(13),2836(13)]),flip(a)].

24901 R(A',x * A',x) = A'.  [para(16083(a,1),93(a,1,2)),rewrite([6(12)]),flip(a)].

24959 R(A',x,x * A) = A'.  [para(7(a,1),24901(a,1,2)),rewrite([871(5)])].

24981 R(x * C,y,z)' * R(C * x,y,z) = 0.  [para(643(a,1),8(a,1,1))].

24982 R(C * x,y,z)' * R(x * C,y,z) = 0.  [para(643(a,2),8(a,1,1))].

25120 R(A,x,A * (x * A))' = A'.  [para(50(a,1),24959(a,1,3)),rewrite([143(9)])].

25200 R(A,x,A * (x * A)) = A.  [para(25120(a,1),31(a,1,1)),rewrite([31(3)]),flip(a)].

25224 C * (A * (C' * (A' * x))) = R(x,A,A' * C').  [para(25120(a,1),617(a,1,2,2,2)),rewrite([25200(7),461(8),2237(9),461(8,R),25200(16),25200

(19),461(16)])].

25312 (A' * (x * x)) * x' = A' * x.  [para(16206(a,1),18(a,2)),rewrite([19948(4),9(8),24(8)])].

25351 R(C / x,C * x,y) = R(x * C',C * C,y)'.  [para(1222(a,2),646(a,1,2)),rewrite([507(8)])].

25374 (x * (A' * C'))' = (A * C) / x.  [para(16494(a,1),33(a,1,2)),flip(a)].

25377 R(x,A',C') = R(x,A,C).  [para(79(a,1),16494(a,1,1)),rewrite([461(6,R),15932(10),16(9,R),11029(10)]),flip(a)].

25389 (A * x) / R(x,A',A * C') = R(A,R(C' * x,A,C),C).  [para(16494(a,1),93(a,1,1,2)),rewrite([1913(10),461(9),2223(10),461(9,R),24756(10),16

(10,R),24747(10),1913(19),461(18),2223(19),461(18,R),24756(19)])].

25392 R(x * (A' * C'),A * C,A') = C' * (x * A').  [para(16494(a,1),150(a,1,2,1)),rewrite([559(7),435(7),461(8),507(9),559(20),435(20),461(21)

,507(22)]),flip(a)].

25406 A' * (C' * (A' * ((A * C) * x))) = R(A' * x,A,C).  [back_rewrite(24311),rewrite([25377(21)])].

25411 C' * ((C * A') * x) = R(A' * x,A,C).  [back_rewrite(20910),rewrite([25377(16)])].

25415 C' * ((C * x) * A) = R(x * A,A,C).  [para(25377(a,1),80(a,1)),rewrite([871(3),16495(14),2548(12)]),flip(a)].

25426 R(x,A * C,A' * C') = x.  [para(16495(a,1),7(a,1,1)),rewrite([16660(10)])].

25466 (x * (A * C)) * (A' * C') = x.  [back_rewrite(16660),rewrite([25426(19)])].

25475 (A * (x * A)) / (A * ((C * x) * A)) = R(C,A,x * A)'.  [para(15(a,1),649(a,1,2))].

25551 C / (A * (C * x)) = C / (A * (x * C)).  [para(123(a,1),653(a,1,1)),rewrite([123(8),8970(14),141(14)]),flip(a)].

25645 x / R(C' * x,A,C) = R(C',A,A' * x)'.  [para(9131(a,1),654(a,1,1)),rewrite([461(6,R),64(6),24710(8),629(19),22051(17)])].

25736 R(x,C' * y,C) * y = C * (x * (C' * y)).  [para(16(a,2),750(a,2)),rewrite([107(2),107(9)])].

25747 R(x,y * A,A') * y = (x * (y * A)) * A'.  [para(871(a,1),750(a,1,1,2)),rewrite([871(9)])].

25813 R(x,y * C',C) * y = C * (x * (y * C')).  [para(7634(a,1),750(a,1,1,2)),rewrite([3408(10),7634(13),1272(17),35(15)])].

25843 R(x,A',A * C) = R(x,A,C').  [para(19511(a,1),18(a,1)),rewrite([461(5,R),1092(10),599(7),3095(9),12030(10)])].

25872 A * ((C * A') * x) = C * R(x,A,C').  [back_rewrite(22732),rewrite([25843(7)]),flip(a)].

25877 C' * (A' * (x * C)) = R(A' * x,A,C').  [back_rewrite(8670),rewrite([25843(9)]),flip(a)].

25898 A * (C * R(x,A,C')) = C * (A * x).  [back_rewrite(4775),rewrite([25872(8)])].

25899 (C * (x * A)) * A' = C * R(x,A,C').  [back_rewrite(3095),rewrite([25872(14)])].

25906 A' * (C * (A * x)) = C * R(x,A,C').  [back_rewrite(2368),rewrite([25872(14)])].

25908 (A * C) * (C * x) = C * (C * (A * x)).  [back_rewrite(24766),rewrite([25898(9)]),flip(a)].

26305 A * (C' * (A' * x)) = R(C' * x,C,A).  [para(22446(a,1),838(a,1)),rewrite([2237(8),461(7,R)])].

26332 C * R(C' * x,C,A) = R(x,A,A' * C').  [back_rewrite(25224),rewrite([26305(9)])].

26355 R(C,A',C' * (A * A)) = C.  [para(22510(a,1),98(a,1,1)),rewrite([18795(10),508(6)]),flip(a)].

26365 R(C',A',A * (A * C)) = C'.  [para(22510(a,1),486(a,1,1)),rewrite([31(6),67(8),10(9),116(5),31(9),67(11)]),flip(a)].

26432 (C * (C * (x * y))) / y = C * (C * R(x,y,C)).  [para(758(a,1),40(a,1,1,2)),rewrite([16(11,R)])].

26443 R(R(x,y,C),C * y,C') = x.  [para(758(a,1),462(a,1,1,2)),rewrite([10(6),6(2)]),flip(a)].

26446 R(x / y,y,C)' * (C * x) = C * y.  [para(625(a,1),758(a,1,1)),rewrite([7(10)])].

26451 R(R(x,y,C),y * C,C') = x.  [para(16(a,1),26443(a,1,2))].

26452 R(R(x,C' * y,C),y,C') = x.  [para(35(a,1),26443(a,1,2))].

26458 R(R(x,y * C',C),y,C') = x.  [para(2835(a,2),26443(a,1,2)),rewrite([35(10)])].

26483 R(R(x / y,y,C)',C * x,C') = y / x.  [para(625(a,1),26443(a,1,1))].

26516 R(R(x,y,A),y * A,A) = R(x,y,A * A).  [para(1926(a,1),759(a,1,1)),rewrite([1926(9),18(10)]),flip(a)].

26529 R(x,C' * C',y) = R(x,C' * y,C').  [para(17790(a,1),759(a,2,1)),rewrite([461(6,R),13(7),12(13),490(14)]),flip(a)].

26538 R(R(x,y,C),C * C,y) = R(x,y,C * C).  [para(20673(a,2),759(a,2)),rewrite([16(3,R),16(5,R),16(9,R),7556(10)]),flip(a)].

26601 C' * (A' * ((A * C) * x)) = R(x,A',A * (C * C)).  [para(11845(a,1),760(a,1,1,1,2)),rewrite([1255(8),2223(9),1222(8,R),2815(9),2223(8),1

6(13,R),2223(17),16(16,R),1255(16),10(17),1863(13),461(14,R),10(14),11845(17),1255(17)])].

26602 R(x,C,A * C) = R(x,A,C * C).  [para(12199(a,1),760(a,1,1,1,2)),rewrite([1090(10),435(8),1090(9),435(7),123(9),2377(6),46(16),123(14),12

55(11),1679(12),86(5),439(4),12199(14),1090(14),435(12),1090(13),435(11),123(13)]),flip(a)].

26606 R(x * A,A,C') * A' = R(x,C,A * C').  [para(26355(a,1),760(a,1,1,1,2)),rewrite([18795(11),2836(7),24784(7),1102(17),107(11),461(12),1092

(16),871(14),461(13),50(15),461(14),10(16),507(12),435(8),26355(19),18795(19)])].

26609 A' * R(x,A',A * (C * C)) = R(A' * x,A,C).  [back_rewrite(25406),rewrite([26601(12)])].

27076 R(x,A * C,A) * (A * (A * C)) = (x * (A * C)) * A.  [para(16(a,1),769(a,1,2,2))].

27088 R(x * (A * C),A' * C',C) = (C * x) * A.  [para(25466(a,1),101(a,1,1,2)),rewrite([16(9,R),507(9),871(5)]),flip(a)].

27089 R(x,C,A) = R(x,A,C').  [para(757(a,1),25466(a,1,1)),rewrite([2237(10),461(9,R),25877(9),24764(9),35(5)]),flip(a)].

27093 A' * ((x * (A * C)) * A') = C * (A' * x).  [para(25466(a,1),40(a,1,1,2)),rewrite([599(6)]),flip(a)].

27102 R(x * (A * C),A',A * C') = C * (x * A).  [para(25466(a,1),617(a,1,2,1)),rewrite([494(9),871(7),16(6),64(7),494(21),871(19),16(18),64(19

),2676(15),461(14)]),flip(a)].

27109 C * R(C' * x,A,C') = R(x,A,A' * C').  [back_rewrite(26332),rewrite([27089(7)])].

27110 A * (C' * (A' * x)) = R(C' * x,A,C').  [back_rewrite(26305),rewrite([27089(14)])].

27115 R(R(A * x,A,C'),A,C') = R(A * x,A,C).  [back_rewrite(20948),rewrite([27089(9)])].

27117 R(R(x,A,C * A'),A,C') = x.  [back_rewrite(12115),rewrite([27089(9)])].

27118 R(R(x,A,C'),A * C,A) = R(x,C,A * A).  [back_rewrite(12031),rewrite([27089(3)])].

27120 R(x,A,C') * (A * C) = (x * C) * A.  [para(27089(a,1),79(a,1,1)),rewrite([16(7)])].

27127 C' * (x * (A * C)) = R(x * A,A,C').  [para(25843(a,1),80(a,1)),rewrite([871(3),10(16),107(12)]),flip(a)].

27134 R(x,A * C,C') = R(x,C,A * C').  [back_rewrite(19976),rewrite([27127(7),26606(9)]),flip(a)].

27203 R(x * A,A,C) * A' = R(x,C',A * C).  [para(26365(a,1),760(a,1,1,1,2)),rewrite([10(11),2548(7),25415(7),461(10),2978(16),2223(15),50(14),

16(13),10(15),64(11),435(7),26365(18),10(18)])].

27214 R(x,A * C',C) = R(x,A * C',A).  [para(26452(a,1),12026(a,1,1)),rewrite([461(10)]),flip(a)].

27220 R(R(x,A' * C',C),A,C) = x.  [para(26452(a,1),25377(a,1)),rewrite([461(5)]),flip(a)].

27223 R(A * x,A * C',A) = C * ((A * C') * x).  [back_rewrite(2869),rewrite([27214(8)])].

27321 R(C * x,x * C',C / x) = C * x.  [para(21705(a,1),779(a,1,1)),rewrite([494(9),461(14,R),4780(14),494(18),18619(17)])].

27412 R(x,A * C',A) = R(x,A,C * A').  [para(27117(a,1),12026(a,1,1))].

27413 C' * (A * (C * x)) = C * ((A * C') * x).  [back_rewrite(27223),rewrite([27412(8),8970(8)])].

27415 R(x,A * C',C) = R(x,A,C * A').  [back_rewrite(27214),rewrite([27412(12)])].

27417 R(x * (C * A'),A,C * A') = (x * A) / (A * (A * C')).  [back_rewrite(21801),rewrite([27412(11)])].

27421 ((x * (A * C')) * A) / (A * (A * C')) = R(x,A,C * A').  [back_rewrite(12025),rewrite([27412(20)])].

27422 R(x',A,C * (A' * x))' = R(x,A',A * C').  [back_rewrite(22535),rewrite([27413(19),1102(18),435(15),461(16),24710(18),24747(17)])].

27425 R(A * x,A,C * A') = C * ((A * C') * x).  [back_rewrite(8970),rewrite([27413(15)])].

27428 C * R(x,A',A * C') = A * (C * (A' * x)).  [back_rewrite(22536),rewrite([27422(10)])].

27433 C * (R(x,A' * C',C) * A) = x * (A * C).  [para(27220(a,1),79(a,1,1)),rewrite([16(15,R)]),flip(a)].

27434 R((x * C) * A,A,C) = x * (A * C).  [para(80(a,1),27220(a,1,1)),rewrite([16(9,R),507(9),871(5),16495(13)])].

27435 R(x,A' * C',C) = R(x,A * C,A).  [para(27220(a,1),12026(a,1,1)),flip(a)].

27441 R(x,A * C,A) = R(x,C,A * C').  [para(27220(a,1),26443(a,1,1)),rewrite([16(3),27134(6),27435(13)]),flip(a)].

27442 R(R(x,C,A * C'),A,C) = x.  [para(27220(a,1),779(a,1,1)),rewrite([559(7),435(7),461(8),25426(9),27435(7),27441(5),2870(8),24784(7),16(8,

R),559(12),435(12),461(13),2224(14),10942(14),26606(9)]),flip(a)].

27443 C * R(x * A,A,C') = x * (A * C).  [back_rewrite(27433),rewrite([27435(8),27441(6),2870(9),24784(8)])].

27444 R(x * (A * C),C,A * C') = (C * x) * A.  [back_rewrite(27088),rewrite([27435(11),27441(9)])].

27448 R(x,A' * C',C) = R(x,C,A * C').  [back_rewrite(27435),rewrite([27441(12)])].

27449 R(R(x,A,C'),C,A * C') = R(x,C,A * A).  [back_rewrite(27118),rewrite([27441(9)])].

27450 R(x,C,A * C') * (A * (A * C)) = (x * (A * C)) * A.  [back_rewrite(27076),rewrite([27441(5)])].

27491 C * (A * ((C * x) * A)) = A * (C * (C * (x * A))).  [para(1974(a,1),783(a,2)),rewrite([783(12),25908(6),71(8),16(6),74(7),16078(8)]),fl

ip(a)].

27502 C * R(x,A * C,A') = (x * (A * C)) * A'.  [para(2162(a,1),783(a,1,2)),rewrite([16(3),461(9),507(10),16(8,R),16(11),461(18),507(19)])].

27519 x / (A * (y * A)) = ((x * A') / y) * A'.  [para(50(a,1),825(a,2,2)),rewrite([435(2),24111(10)]),flip(a)].

27520 R((x * A') / y,y,A) = x / (y * A).  [para(435(a,1),825(a,1,1,1))].

27521 R(C * (x / y),C',y) = x / (y * C').  [para(461(a,1),825(a,2,2)),rewrite([599(4)])].

27524 R((x * A) / y,y,A') = x / (y * A').  [para(871(a,1),825(a,1,1,1))].

27541 R(R(x,C * y,C'),y,C) = x.  [para(2585(a,1),825(a,2)),rewrite([107(5),462(7)])].

27593 R(C' * (x * A),A,C) = x * (A * C').  [para(13522(a,1),825(a,2)),rewrite([871(3),107(4),24707(9)])].

27599 R((C * x) * A,A,C) = x * (A * C).  [para(825(a,1),25377(a,1)),rewrite([16495(6),599(7),871(9)]),flip(a)].

27611 (x * (A * C')) * A' = R(C' * x,A,C').  [para(825(a,1),27117(a,1,1)),rewrite([123(6),107(2),13522(12),435(14)]),flip(a)].

27612 C' * (x * (C * A')) = R(x * A',A,C).  [para(825(a,1),27442(a,1,1)),rewrite([507(6),435(2),19511(11),107(13)]),flip(a)].

27613 R(A * C',C,x) * A' = R(C,A,x * A)'.  [back_rewrite(25475),rewrite([27519(11),1090(7),435(5),86(6),439(5),847(5),461(4)])].

27622 R(A * C,C,x) * A' = R(C,A * x,A * C).  [back_rewrite(11948),rewrite([27519(15),1090(11),435(9),25899(10),25898(10),1593(9),1255(7),1245

(8),16(3)])].

27623 ((A * (C * (x * C))) / (C * x)) * A' = R(C,A * C,x * A).  [back_rewrite(7627),rewrite([27519(15),1090(11),435(9),17540(10),439(9)])].

27625 R(A * C,C',x) * A' = R(C',A,x * A)'.  [back_rewrite(7220),rewrite([27519(12),1090(7),435(5),86(6),439(5),4010(6),16(3)])].

27643 R(x * A',A,C) * A = R(x,C * A',C').  [back_rewrite(19978),rewrite([27612(8)])].

27644 R(x * (y * A'),A,C * A') = R(x * (y * A'),A,C).  [back_rewrite(9012),rewrite([27612(14),1841(9),3904(8),10(9)]),flip(a)].

27649 (x * A) / (A * (A * C')) = R(x * (C * A'),A,C).  [back_rewrite(27417),rewrite([27644(11)]),flip(a)].

27650 R(x,A,C * A') = R(x,A,C).  [back_rewrite(27421),rewrite([27649(14),5075(10),21589(9)]),flip(a)].

27652 C * ((A * C') * x) = R(A * x,A,C).  [back_rewrite(27425),rewrite([27650(8)]),flip(a)].

27656 R(x,A * C',C) = R(x,A,C).  [back_rewrite(27415),rewrite([27650(12)])].

27658 R(x,A * C',A) = R(x,A,C).  [back_rewrite(27412),rewrite([27650(12)])].

27660 R(R(x,A,C),A,C') = x.  [back_rewrite(27117),rewrite([27650(6)])].

27662 C' * (A * (C * x)) = R(A * x,A,C).  [back_rewrite(27413),rewrite([27652(14)])].

27664 A * R(x,A',A * C') = R(A * x,A,C).  [back_rewrite(24320),rewrite([27652(16)])].

27670 R(x,C,A * C') = R(x,A,C').  [para(27442(a,1),27660(a,1,1)),flip(a)].

27671 R(x * (A' * C'),A,C') = (C' * x) * A'.  [para(825(a,1),27660(a,1,1)),rewrite([22446(4),107(12),435(15)])].

27674 R(x,A,C') * (A * (A * C)) = (x * (A * C)) * A.  [back_rewrite(27450),rewrite([27670(6)])].

27675 R(R(x,A,C'),A,C') = R(x,C,A * A).  [back_rewrite(27449),rewrite([27670(10)])].

27676 R(x,A' * C',C) = R(x,A,C').  [back_rewrite(27448),rewrite([27670(13)])].

27679 R(x * (A * C),A,C') = (C * x) * A.  [back_rewrite(27444),rewrite([27670(10)])].

27680 R(R(x,A,C'),A,C) = x.  [back_rewrite(27442),rewrite([27670(6)])].

27681 R(x,A * C,A) = R(x,A,C').  [back_rewrite(27441),rewrite([27670(11)])].

27683 R(x * A,A,C') * A' = R(x,A,C').  [back_rewrite(26606),rewrite([27670(15)])].

27684 R(A * x,C,A * A) = R(A * x,A,C).  [back_rewrite(27115),rewrite([27675(10)])].

27685 R(x,A,C') * A = R(x * A,A,C').  [para(27670(a,1),79(a,1,1)),rewrite([507(10),2836(13),24784(13)])].

27691 R(A * (x * A),A,C') * y = A * (R(x,A,C') * (A * y)).  [para(27670(a,1),754(a,1,2,1)),rewrite([507(6),507(11),507(15),2836(17),24784(17)

,24764(17)]),flip(a)].

27694 C * ((x * C') * A) = R(x * A,A,C').  [back_rewrite(24776),rewrite([27685(10),1089(6),871(6),24764(11),35(7)]),flip(a)].

27695 (A * (x * A)) / R(x * A,A,C') = R(A,C,(x * C') * A).  [back_rewrite(7044),rewrite([27694(11)])].

27709 (A * ((x * C) * A)) / R(A * (x * A),A,C') = C.  [para(27685(a,1),106(a,1,2,2)),rewrite([27120(9),24764(14)])].

27726 R(x,A * C,A') = R(x,C,A * A).  [para(27685(a,1),489(a,1,1,2)),rewrite([19511(14),1092(14),599(11),27443(10),21408(10),27675(14)])].

27745 C * R(x,A,C') = R(C * x,A,C').  [para(825(a,1),27685(a,1,1)),rewrite([19511(5),2153(7),16(6,R),25906(7),599(9),435(10),83(13),307(12)])

].

27749 C * R(x,C,A * A) = (x * (A * C)) * A'.  [back_rewrite(27502),rewrite([27726(7)])].

27752 R(x * (A' * C'),C,A * A) = C' * (x * A').  [back_rewrite(25392),rewrite([27726(12)])].

27753 C' * ((x * (A * C)) * A') = R(x,C,A * A).  [back_rewrite(21408),rewrite([27726(16)])].

27755 C' * (A * (x * C)) = R(A * x,A,C).  [back_rewrite(8990),rewrite([27726(8),27684(7)]),flip(a)].

27756 R(C * (x * A),A,C') = x * (A * C).  [back_rewrite(27443),rewrite([27745(8)])].

27758 R(x,A,A' * C') = R(x,A,C').  [back_rewrite(27109),rewrite([27745(9),35(5)]),flip(a)].

27764 A' * (C * (A * x)) = R(C * x,A,C').  [back_rewrite(25906),rewrite([27745(13)])].

27769 (C * (x * A)) * A' = R(C * x,A,C').  [back_rewrite(25899),rewrite([27745(13)])].

27770 R(A * (C * x),A,C') = C * (A * x).  [back_rewrite(25898),rewrite([27745(7),24764(8)])].

27776 A * ((C * A') * x) = R(C * x,A,C').  [back_rewrite(25872),rewrite([27745(13)])].

27778 R(C * (A * x),A,C') = (A * C) * x.  [back_rewrite(24287),rewrite([27745(8)])].

27781 C * R(A * x,A,C) = A * (C * x).  [back_rewrite(23759),rewrite([27758(11),20911(8)]),flip(a)].

27782 C * (A * (x * C')) = R(A * x,A,C').  [back_rewrite(23750),rewrite([27758(9)]),flip(a)].

27783 C * (x * (A' * C')) = R(x * A',A,C').  [back_rewrite(1666),rewrite([27758(10)]),flip(a)].

27795 R(x * A',A,C * (C * x')) = R(x * A',A,C').  [back_rewrite(2089),rewrite([27783(18)])].

27908 R(R(A * x',x,C')',A,C) = x * A'.  [para(625(a,1),27680(a,1,1)),rewrite([2061(2),435(12)])].

27909 R(x * (C * A'),A,C) = (C * x) * A'.  [para(825(a,1),27680(a,1,1)),rewrite([19511(5),599(11),435(12)])].

27935 R(R(x,y,C'),C' * y,C) = x.  [para(35(a,1),27541(a,1,1,2))].

27943 R(R(x,y,C'),y * C',C) = x.  [para(2835(a,2),27541(a,1,1,2)),rewrite([35(5)])].

28001 (x * A) * (C * A') = C * R(x,A,C).  [para(27650(a,1),79(a,1,1)),rewrite([123(9),16(5,R)]),flip(a)].

28004 C / (A * (x * C)) = R(A * x,A,C)'.  [para(27650(a,1),653(a,2,1)),rewrite([123(6),123(8)])].

28006 C * R(x * C',A,C) = R(x,C',A).  [back_rewrite(19809),rewrite([28001(10)])].

28007 C / (A * (C * x)) = R(A * x,A,C)'.  [back_rewrite(25551),rewrite([28004(12)])].

28008 R(x',A,C * (A' * x)) = R(x,A,C)'.  [back_rewrite(22528),rewrite([28007(17),35(13)])].

28012 R(x,A',A * C') = R(x,A,C).  [back_rewrite(27422),rewrite([28008(8),31(5)]),flip(a)].

28013 A * R(x,A,C) = R(A * x,A,C).  [back_rewrite(27664),rewrite([28012(8)])].

28014 A * (C * (A' * x)) = C * R(x,A,C).  [back_rewrite(27428),rewrite([28012(8)]),flip(a)].

28015 R(x * (A * C),A,C) = C * (x * A).  [back_rewrite(27102),rewrite([28012(11)])].

28016 R(A,R(C' * x,A,C),C) = (A * x) / R(x,A,C).  [back_rewrite(25389),rewrite([28012(9)]),flip(a)].

28019 C * (A' * (x * C')) = R(A' * x,A,C).  [back_rewrite(23757),rewrite([28012(10)]),flip(a)].

28022 R(A * (C' * x),A,C) = C' * (A * x).  [back_rewrite(24751),rewrite([28013(8)])].

28026 C * R(C * (x * A),A,C) = x * (A * (C * C)).  [back_rewrite(1929),rewrite([28014(11)])].

28028 (C * ((x * C') * y)) / y = R(R(x,C',y),y * C',C).  [para(786(a,1),101(a,1,1,2)),rewrite([16(11,R),507(11)])].

28038 R(x,C',A') = R(x,A,C').  [para(786(a,1),16494(a,1,1)),rewrite([2223(10),16(9,R),27782(9),24765(9)]),flip(a)].

28040 (x * (C' * C')) * y = C' * (x * (C' * y)).  [para(786(a,1),753(a,2,1)),rewrite([17790(5),753(13),461(13,R),13(14)])].

28043 R(x,C' * C',y * (C * C)) = R(x,C * y,C').  [back_rewrite(10762),rewrite([28040(11),1245(9),462(7)]),flip(a)].

28050 C * (x * (A * C')) = R(x,A,C) * A.  [para(27656(a,1),79(a,1,1)),rewrite([16(9,R),507(9),16(12,R)]),flip(a)].

28074 x / (A * (A * C)) = (C' * (x * A')) * A'.  [para(27681(a,1),825(a,1)),rewrite([435(2),22446(7),27671(13),50(14),16(13)]),flip(a)].

28102 R(x,C,A * A) * (A * C') = C' * R(x * A,A,C').  [para(27685(a,1),788(a,2,2)),rewrite([27675(8),461(9)])].

28159 R(R(x,y,C')',C' * (x * y),C) = x'.  [para(27935(a,1),143(a,2,1)),rewrite([788(11)])].

28250 R(R(x / y,y,C')',x * C',C) = y / x.  [para(625(a,1),27943(a,1,1))].

28314 C' * R(x,A,C) = R(C' * x,A,C).  [para(28012(a,1),79(a,1,1)),rewrite([10(10),461(6,R),2223(14),461(13,R),24756(14)])].

28315 R(x,A,C) * A = R(x * A,A,C).  [para(28012(a,1),80(a,1)),rewrite([871(3),10(17),599(13),28050(12)]),flip(a)].

28326 C * (x * (A * C')) = R(x * A,A,C).  [back_rewrite(28050),rewrite([28315(12)])].

28327 R(x,C * A',C') = R(x,A,C).  [back_rewrite(27643),rewrite([28315(8),83(5),307(4)]),flip(a)].

28332 R(A * x,A,C) / R(x,A,C) = A.  [para(28013(a,1),6(a,1,1))].

28334 R(x,A,C) / R(A * x,A,C) = A'.  [para(28013(a,1),33(a,1,2))].

28342 R(A * (C * x),A,C) = R(A * (x * C),A,C).  [para(2536(a,1),28013(a,2,1)),rewrite([28013(7)])].

28465 R(x,C',A * C) = R(x,A,C).  [para(28315(a,1),6(a,1,1)),rewrite([435(7),27203(8)])].

28466 R(x,A,C)' * R(x * A,A,C) = A.  [para(28315(a,1),10(a,1,2))].

28472 R(R(x,A,C),A,C) = R(x,A,C').  [para(28315(a,1),101(a,1,1,2)),rewrite([22446(11),2224(13),28314(9),27593(9),27611(9),27745(9),35(5)]),fl

ip(a)].

28475 R(x,A,C) * (A * A) = R(x * (A * A),A,C).  [para(28315(a,1),1926(a,1,1)),rewrite([28315(7),1926(4)]),flip(a)].

28507 C * R(x * A,A,C) = (x * C) * A.  [para(28315(a,1),758(a,2,2)),rewrite([28472(6),16(7),27120(8)]),flip(a)].

28518 (x * (A * C)) * A' = R(C * x,A,C).  [para(28465(a,1),80(a,1)),rewrite([599(3),64(15),435(11)]),flip(a)].

28522 R(x,C,A * A) = R(x,A,C).  [back_rewrite(27753),rewrite([28518(9),28314(8),10(5)]),flip(a)].

28523 C * R(x,A,C) = R(C * x,A,C).  [back_rewrite(27749),rewrite([28522(6),28518(12)])].

28526 A' * R(C * x,A,C) = C * (A' * x).  [back_rewrite(27093),rewrite([28518(9)])].

28534 R(x,A,C) * (A * C') = C' * R(x * A,A,C').  [back_rewrite(28102),rewrite([28522(5)])].

28535 R(x * (A' * C'),A,C) = C' * (x * A').  [back_rewrite(27752),rewrite([28522(11)])].

28536 R(x,A * C,A') = R(x,A,C).  [back_rewrite(27726),rewrite([28522(11)])].

28537 R(R(x,A,C'),A,C') = R(x,A,C).  [back_rewrite(27675),rewrite([28522(13)])].

28538 R(C * (x * A),A,C) = (x * C) * A.  [back_rewrite(28507),rewrite([28523(7)])].

28540 C * ((x * C) * A) = x * (A * (C * C)).  [back_rewrite(28026),rewrite([28538(8)])].

28543 A * (C * (A' * x)) = R(C * x,A,C).  [back_rewrite(28014),rewrite([28523(12)])].

28544 R(x,C',A) = R(x,A,C).  [back_rewrite(28006),rewrite([28523(8),507(5)]),flip(a)].

28545 (x * A) * (C * A') = R(C * x,A,C).  [back_rewrite(28001),rewrite([28523(12)])].

28546 R(C * (A * x),A,C) = A * (C * x).  [back_rewrite(27781),rewrite([28523(7)])].

28569 C' * R(x * A,A,C') = (x * C') * A.  [para(28544(a,1),79(a,1,1)),rewrite([461(7),28534(8)])].

28574 R(C * x,A,C) = R(C' / x,x,A)'.  [para(28544(a,1),625(a,1)),rewrite([599(3)])].

28576 R(x,A,C) * (A * C') = (x * C') * A.  [back_rewrite(28534),rewrite([28569(17)])].

28580 R(x,A,C) * (A * (A * C)) = (x * C) * (A * A).  [para(28522(a,1),79(a,1,1)),rewrite([67(8)])].

28587 C / R(C * x,A,C) = R(x,A,C)'.  [para(28536(a,1),139(a,2,1)),rewrite([1090(6),435(4),123(6),28518(8)])].

28596 R(x,A,C) * A' = R(x * A',A,C).  [para(28327(a,1),79(a,1,1)),rewrite([461(10,R),10(10),461(14,R),27612(14)])].

28612 (A * (x * A)) / R(x * A,A,C) = R(A,C',(x * C) * A).  [para(74(a,1),806(a,1,1)),rewrite([16(6,R),35(6),2548(11),25415(11),7026(18)])].

28619 R(x,A * C',A') = R(x,A,C').  [para(21336(a,1),806(a,1,2)),rewrite([461(4),31(8),507(12),27611(8),599(10),27745(9),35(5),461(8),31(11),5

07(15)]),flip(a)].

28622 R(A * (x * C),A,C) / R(C * x,A,C) = A.  [para(2536(a,1),28332(a,1,1,1))].

28651 R(C * x,A,C) / R(x,A,C) = C.  [para(28523(a,1),6(a,1,1))].

28652 R(x,A,C) / R(C * x,A,C) = C'.  [para(28523(a,1),33(a,1,2))].

28687 R(x,R(C * y,A,C),C) = R(x,C * C,R(y,A,C)).  [para(28523(a,1),1258(a,2,2)),flip(a)].

28689 R(x,A,C) / R(C' * x,A,C) = C.  [para(28523(a,1),489(a,1,1,2)),rewrite([28314(8),10(5),461(9,R),28314(9),491(17)])].

28707 R(R(C,x,A),x * A,C) = R(C,R(x,A,C),A * C).  [para(28523(a,1),760(a,1,1,1)),rewrite([79(9),16(6,R),16(10,R),948(11)])].

28799 R(x / y,y,C)' = (y * C) / (C * x).  [para(839(a,2),112(a,1,1))].

28958 C' * R(x,A,C') = R(C' * x,A,C').  [para(21336(a,1),822(a,1,2)),rewrite([461(4),31(7),507(11),28619(7),461(7,R),461(11),31(15),507(19),2

7611(15)])].

29096 (C' * x) / (x' * (C' * (x / y))) = x * y.  [para(10943(a,1),2885(a,1,2)),rewrite([461(8,R),31(13)])].

29170 R(C' / x,x,C * y) = y / (x * (y * C)).  [para(16(a,1),829(a,2,2,2))].

29181 R(x' * A,A',x * y) = y / (A' * (x * y)).  [para(871(a,1),829(a,1,1))].

29263 R(x / y,y,A) = A * ((A' * x) / y).  [para(35(a,1),3914(a,1,1,1))].

29276 (A * (x * A)) / y = A * (x / (y * A')).  [para(3914(a,1),81(a,2)),rewrite([435(4),435(8),7(10),50(4),435(8)])].

29314 R(A,C',(x * C) * A) = A * (x / R(x,A,C)).  [back_rewrite(28612),rewrite([29276(10),28596(9),86(6),439(5)]),flip(a)].

29315 A * ((x * C) / R(A * x,A,C')) = C.  [back_rewrite(27709),rewrite([29276(15),27691(14),9(12),3(10),24764(9)])].

29316 R(A,C,(x * C') * A) = A * (x / R(x,A,C')).  [back_rewrite(27695),rewrite([29276(11),27683(10)]),flip(a)].

29324 A * ((C * x) / R(C * x,A,C)) = R(A,x,A * C).  [back_rewrite(6959),rewrite([29276(11),28518(10)])].

29325 A * ((x * C) / R(C * x,A,C')) = R(A,C,x * A).  [back_rewrite(6958),rewrite([29276(11),27769(10)])].

29377 R(C * x,C',y * C) = (x * (C * y)) / y.  [para(16(a,1),830(a,1,3)),rewrite([599(3)])].

29398 R(A * x,x',x * y) = (A * (x * y)) / y.  [para(2061(a,1),830(a,1,1)),rewrite([31(3)])].

29400 R(C * x,C',C * y) = (x * (C * y)) / y.  [para(599(a,1),830(a,1,1))].

29439 R(C * R(x,y,C),C',C * y) = (C * (x * y)) / y.  [para(758(a,1),830(a,2,1)),rewrite([599(5)])].

29445 R(R(A * x,x',x * y),y,A) = A * x.  [para(830(a,2),3914(a,1,1)),rewrite([2061(3),31(3),6(10)])].

29509 C * (x * (x * (A * C'))) = R(x * (x * A),A,C).  [para(831(a,1),28012(a,1)),rewrite([10(13),599(9),871(12),12(11)])].

29549 R(C' * R(x,C,y),C,C * y) = R(C' * x,C * C,y).  [para(838(a,1),832(a,1,1)),rewrite([1243(6),1612(15)]),flip(a)].

29681 R(R(x,C' * y,C'),y * (C' * C'),C) = x.  [para(5133(a,1),27541(a,1,1,2))].

29906 x / (C' * (y * x)) = R(C' * y,C',x)'.  [para(481(a,1),843(a,2,2)),rewrite([492(9),141(4),24454(11),11027(9),64(14)]),flip(a)].

29907 x / (y * (x * C)) = R(C * y,C',x)'.  [para(843(a,1),625(a,1)),rewrite([599(7),11027(12)])].

29908 R(C * x,C',y * C) = R(C * x,C',y).  [para(843(a,1),625(a,2,1)),rewrite([599(3),29907(11),31(14)])].

29909 x / R(A' * x,A,C) = R(A',C',x)'.  [para(16495(a,1),843(a,1,1)),rewrite([64(6),142(9),11027(8),2548(14),25411(14)]),flip(a)].

29910 x / R(A * x,A,C') = R(A,C',x)'.  [para(19511(a,1),843(a,1,1)),rewrite([10(7),143(9),11027(7),2548(12),16(10),20902(12)]),flip(a)].

29924 R(C' / x,x,C * y) = R(C * x,C',y)'.  [back_rewrite(29170),rewrite([29907(10)])].

29928 R(A * C,C',x)' = R(A' * C',A,x).  [back_rewrite(11026),rewrite([29907(5),16(3)])].

29930 x / (y * (C * x)) = R(C * y,C',x)'.  [back_rewrite(10976),rewrite([29907(8)])].

29933 (x * (C * y)) / y = R(C * x,C',y).  [back_rewrite(29377),rewrite([29908(7)]),flip(a)].

29935 (x * (y * C)) / y = R(C * x,C',y).  [back_rewrite(844),rewrite([29908(7)]),flip(a)].

29936 R(A',C',(A * C) * x) = R(A,C',x)'.  [back_rewrite(24307),rewrite([29910(16)])].

29944 R(C * x,C',C * y) = R(C * x,C',y).  [back_rewrite(29400),rewrite([29933(11)])].

29950 R(A * x,A,C') / x = R(A,C',x).  [back_rewrite(24312),rewrite([29936(9),31(6)]),flip(a)].

29957 R(C * R(x,y,C),C',y) = (C * (x * y)) / y.  [back_rewrite(29439),rewrite([29944(9)])].

30179 (x * (C * C)) / (y * (C * x)) = R(C' * y,C,C * x)'.  [para(1222(a,1),848(a,2,1)),rewrite([107(2)]),flip(a)].

30343 R(x * (A * C'),A,C') = C' * (x * A).  [para(13522(a,1),850(a,1,1)),rewrite([2075(15),507(15),2805(11),25843(11),2075(17),507(17)])].

31040 ((A' * (x * (A * x))) / x) * A' = A' * x.  [para(12096(a,1),18(a,2)),rewrite([1092(6),871(5),23577(5),1089(8),871(8),13(7),50(12),27519

(13),1841(11),338(10),439(9)])].

31235 A' * ((A * C) * x) = R(C * x,A,C).  [para(878(a,1),28315(a,1,1)),rewrite([16(4,R),22446(8),13(10),507(8),2153(7),435(11),83(14),307(13)

])].

31246 R(x,A',A * (C * C)) = R(x,A,C).  [back_rewrite(26601),rewrite([31235(9),28314(8),10(5)]),flip(a)].

31257 A' * R(x,A,C) = R(A' * x,A,C).  [back_rewrite(26609),rewrite([31246(10)])].

31260 R(A' * (C * x),A,C) = C * (A' * x).  [back_rewrite(28526),rewrite([31257(8)])].

31356 R((x * C) * A,A,C') = C * (x * A).  [para(880(a,1),24763(a,1)),rewrite([16(4,R),16(8,R),13522(9),2224(9),10(6),871(9)]),flip(a)].

31407 R(x,A * x',x * A') = x.  [para(16419(a,1),337(a,1,2,2,2,1)),rewrite([2076(9),31(7),23591(10),3(2),16419(6),16419(9),2076(7),31(5)]),fli

p(a)].

31421 R(x * A,x',x) = x * A.  [para(7(a,1),31407(a,1,3)),rewrite([871(3),871(6),4435(6),35(8),871(7)])].

31432 (x * (A * x')) * x = x * A.  [para(31421(a,1),18(a,2)),rewrite([1090(4),2061(2),8(7),24(7)])].

31440 (x * A) / x = x * (A * x').  [para(31421(a,1),308(a,1,1)),rewrite([1090(7),2061(5)])].

31463 ((C * x) * (A * (C' / x))) * (C * x) = (x * C) * A.  [para(372(a,1),31432(a,2)),rewrite([509(6)])].

31492 C' * ((x * C) * A) = R(x * A,A,C).  [para(31432(a,1),846(a,2,2)),rewrite([509(6),846(14),31463(13),25415(14)])].

31512 R(C * R(x,C,y),C',y) = x * C.  [para(757(a,1),884(a,1,1)),rewrite([461(8,R),64(8),6(4),29908(11)]),flip(a)].

31514 (x * (A * A)) * (C * A') = (x * C) * A.  [para(1926(a,1),884(a,1,1)),rewrite([19511(9),28544(17),28538(16)])].

31516 R(C * (x / (C * y)),C',y) = x / y.  [para(2586(a,1),884(a,1,1)),rewrite([461(5,R),64(5),29908(11)]),flip(a)].

31519 R(C * (C' / x),C',(C * x) * y) = R(x,C',y)'.  [para(578(a,1),884(a,1,1)),rewrite([461(6,R),29906(7),10(5)]),flip(a)].

31533 A' * ((x * C) * A) = C * (A' * (x * A)).  [back_rewrite(11985),rewrite([31514(11)])].

31534 R(x,C',y * C) = R(x,C',y).  [back_rewrite(24549),rewrite([31519(11),31(5)]),flip(a)].

31739 R(x,C',C * y) = R(x,C',y).  [para(16(a,2),31534(a,1,3))].

31757 R(x,C',y * (C * C)) = R(x,C',y).  [back_rewrite(7601),rewrite([31739(7),31534(5)]),flip(a)].

31960 R(R(x,y',z) / y,y,y' * z) = x * y'.  [para(35(a,1),889(a,2,2)),rewrite([6(10)])].

31965 R(x,A',y) * A' = R(x * A',y,A).  [para(889(a,1),12114(a,1,1)),rewrite([35(9),6(5),435(10)]),flip(a)].

32005 R(x,C * A',A * (C * C)) = x.  [para(16628(a,1),760(a,1,1,1,2)),rewrite([16(10,R),1255(10),15932(11),16(6,R),1222(10,R),2815(11),2223(19

),16(18,R),1255(18),10(19),16(16,R),13072(17),461(18,R),10(18),25411(14),27764(9),27680(11),10(5),16628(9),16(9,R),1255(9)]),flip(a)].

32030 A' * ((A * C') * x) = R(C' * x,A,C').  [para(891(a,1),27685(a,1,1)),rewrite([461(6,R),19511(11),13(11),10(9),2153(8),435(13),83(16),307

(15)])].

32033 (C' * x) * (A * C') = C' * (C' * (x * A)).  [para(891(a,1),32005(a,1)),rewrite([2986(9),16(7),1421(8),10(9),2223(14),1222(13,R),1255(12

),10671(14),13072(10),461(11,R),10(11),13522(16)]),flip(a)].

32255 R(x,A * y,A') = R(x,A,y * A').  [para(7(a,1),17759(a,1,2,2)),rewrite([435(8)])].

32256 R(x,y * A,A') = R(x,A,A' * y).  [para(1089(a,1),17759(a,1,2,2)),rewrite([871(6),35(7)])].

32259 R(x,(A * y) * z,A') = R(x,A,y * (z * A')).  [para(2153(a,1),17759(a,1,2,2)),rewrite([35(8)])].

32275 (x * (y * A)) * A' = A * ((A' * x) * y).  [back_rewrite(25747),rewrite([32256(5),761(6),2237(6)]),flip(a)].

32374 R(x * A',A * A,C) = R(x,A,C') * A'.  [para(2223(a,1),924(a,1,1,2)),rewrite([50(7),10(8),28074(10),32275(9),16(7,R),27776(9),28958(9),10

(5)]),flip(a)].

32383 R(x,A * A,C) = R(x,A,C').  [para(31432(a,1),924(a,1,2,2)),rewrite([507(7),507(8),507(12),16(10),28074(12),19516(12),32275(7),1089(6),87

1(6),35(7),27683(9),507(10),507(11)]),flip(a)].

32384 R(x,A,C') * A' = R(x * A',A,C').  [back_rewrite(32374),rewrite([32383(8)]),flip(a)].

32387 (x * (A * C)) * A = C * (x * (A * A)).  [para(32383(a,1),79(a,1,1)),rewrite([16(9,R),67(9),27674(10),16(12,R)])].

32414 C * (C * R(x,y * C,C)) = R(C * (x * C),y,C).  [para(16(a,1),925(a,1,1,2,2,2)),rewrite([26432(10)])].

32626 R(R(x,C',y),y,C) = R(x,C,y).  [para(64(a,1),948(a,1,2,2)),rewrite([2548(7),35(8),847(6),10(5),31534(7),64(10)]),flip(a)].

32627 R(R(x,C',y),C' * y,C) = R(x,C,y * C').  [para(461(a,2),948(a,1,1,2,1)),rewrite([35(11),2858(7)]),flip(a)].

32630 R(R(x,C',y),y * C',C) = R(x,C,y * C').  [para(2835(a,1),948(a,1,2)),rewrite([507(11),28028(7),32627(16)])].

32659 (C * ((x * C') * y)) / y = R(x,C,y * C').  [back_rewrite(28028),rewrite([32630(15)])].

32660 C * (R(x,C',y) * y) = (x * C) * y.  [para(32626(a,1),79(a,1,1)),rewrite([757(5),16(9,R)]),flip(a)].

32671 R(R(x,C,y),C * y,C') = R(x,C',y).  [para(32626(a,1),26443(a,1,1))].

32681 R(A * (C * x),A,C) = (A * C) * x.  [para(3914(a,1),32626(a,1,1)),rewrite([599(4),599(12),27089(14),27778(15)])].

32697 R(A * (x * C),A,C) = (A * C) * x.  [back_rewrite(28342),rewrite([32681(7)]),flip(a)].

32698 ((A * C) * x) / R(C * x,A,C) = A.  [back_rewrite(28622),rewrite([32697(7)])].

32806 (x * (y * C)) / (x * (C * y)) = 0.  [para(22113(a,1),321(a,2,1)),rewrite([22150(14),27(9)])].

32850 (x * (y * (C * z))) / (y * (z * C)) = x.  [para(32806(a,1),81(a,1,1,1,2)),rewrite([3(2),32806(15),77(13)])].

33139 R(x,C * (C * A'),C') = R(x,A,C).  [para(25312(a,1),489(a,1,2)),rewrite([1222(8,R),16(14,R),13522(15),32033(15),2707(13),1222(12,R),2815

(13),2223(12),31235(12),28523(11),28314(12),10(9),28314(8),10(5),1222(9,R)]),flip(a)].

33140 R(R(x,C * A',C),A,C) = x.  [para(25312(a,1),26458(a,1,1,2)),rewrite([16(4,R),1222(12,R),33139(15)])].

33156 R(x,C * A',C) = R(x,A,C').  [para(33140(a,1),12026(a,1,1)),rewrite([27681(5)]),flip(a)].

33157 R(R(x,C * C,A'),A,C) = x.  [para(1258(a,2),33140(a,1,1))].

33170 R(x,C * C,A') = R(x,A,C').  [para(33157(a,1),12026(a,1,1)),rewrite([27681(5)]),flip(a)].

33177 (C * (C * A')) / (x * C) = C / (x * A).  [para(33156(a,1),848(a,1,1)),rewrite([13522(5),30343(9),141(6),16(10,R)]),flip(a)].

33186 x' * (((x * y) / z) * x') = y / (x * z).  [para(7(a,1),1026(a,1,2,2)),rewrite([112(6)]),flip(a)].

33251 (A * C) / R(x,A,C) = C / (x * A').  [para(79(a,1),25374(a,1,1)),rewrite([461(6,R),141(7),25377(13)]),flip(a)].

33480 R(x * (C * (x * A)),A,C) = x * (x * (A * C)).  [para(12(a,1),27434(a,1,1,1)),rewrite([69(5),12(13)])].

33491 R(x,A,A * C) = R(x,A,C).  [para(50(a,1),1046(a,1,2)),rewrite([27089(4),90(5),16(10),28074(12),28518(11),28538(9),31492(7),28596(8),86(5

),439(4),27089(7),90(8)]),flip(a)].

33502 (x * C) * (A * A) = (x * A) * (A * C).  [para(33491(a,1),79(a,1,1)),rewrite([28580(9)])].

33624 (x * (C * (y * C))) / (C * y) = R(C * x,C',y).  [para(1103(a,1),1054(a,2,2)),rewrite([82(6),599(3),82(8),16(8,R),31739(9),31534(7),16(9

,R),12(16),10(17)]),flip(a)].

33627 R(C,A * C,x * A) = R(C',A,x * A)'.  [back_rewrite(27623),rewrite([33624(9),16(3),27625(9)]),flip(a)].

33703 R(A' * x,A,C) / R(x,A,C) = A'.  [para(35(a,1),28334(a,1,2,1))].

33752 R(A * x',x,C) * R(x,A,C) = A.  [para(625(a,1),28466(a,1,1,1)),rewrite([2061(2),31(7),435(7),83(10),307(9)])].

33795 (C * (A * x)) * A = A * (C * (x * A)).  [para(50(a,1),28538(a,1,1,2)),rewrite([28546(9),16(10,R)]),flip(a)].

33800 ((x * C) * A) / R(x * A,A,C) = C.  [para(28538(a,1),28651(a,1,1))].

33813 C / R(x * C,A,C) = R(x,A,C)'.  [para(16(a,1),28587(a,1,2,1))].

33814 R(C' * x,A,C)' = C / R(x,A,C).  [para(35(a,1),28587(a,1,2,1)),flip(a)].

33841 R(C / x,x,A') = C / R(x,A,C).  [back_rewrite(24782),rewrite([33814(12)])].

33881 R(x,A,C') / R(C * x,A,C') = C'.  [para(28472(a,1),28652(a,1,1)),rewrite([28523(9),28472(12)])].

33976 A' * R(C * x,A,C') = (C * A') * x.  [para(9131(a,1),1096(a,2,2)),rewrite([435(8),1105(10),435(7),1156(10),871(8),12(7),16(6),1255(7),12

72(14),24777(12),24764(12),35(8),27745(8),435(12)])].

34498 (x / (y / x)) / (y * (x / y)) = x / y.  [para(1166(a,1),33(a,1,2)),rewrite([112(7)])].

34595 R((A * C) * x,A,C) = C * (A * x).  [para(1974(a,1),1172(a,1,1)),rewrite([22446(6),1913(10),461(9),2223(10),461(9,R),24756(10),28013(9),

28022(9),35(7),559(6),435(6),461(7),1089(9),871(9),461(8),10(9),599(5),559(12),435(12),461(13),2676(15),461(14),28012(15)]),flip(a)].

34601 R(A' * x,A,x * A) = A' * x.  [para(19948(a,1),1172(a,1,1)),rewrite([871(5),871(7),9678(7),31(11),871(12),27519(13),1841(11),338(10),439

(9),31040(10),31(9),871(10)]),flip(a)].

34624 R(x,A,x') = x.  [para(2061(a,1),1173(a,1,1,2)),rewrite([6(8)]),flip(a)].

34674 R(x,A * x',A) = x.  [para(34624(a,1),12026(a,1,1))].

34740 R(R(x,A * y,A),A,y) = x.  [para(769(a,1),1174(a,1,1,1)),rewrite([86(8),439(7),435(8),86(9),439(8),6(6),32255(11),86(10),439(9)]),flip(a

)].

34765 R(x * A,x',A) = x * A.  [para(4435(a,1),34674(a,1,2,2)),rewrite([35(8)])].

34880 R(R(x,y,A),A,A' * y) = x.  [para(35(a,1),34740(a,1,1,2))].

34964 C * (A * (A * x)) = A * ((A * C) * x).  [para(1184(a,1),1974(a,2,2,2)),rewrite([435(6),4627(9),16(7,R),50(11),50(10),2153(9),31235(9),2

8013(8),32681(8),307(14)]),flip(a)].

34976 (A' * (x * A)) * (C * A') = (C * A') * x.  [para(13522(a,1),1184(a,1,1,2)),rewrite([24752(10),2075(20),21589(24)])].

34985 (A * ((A * C) * x)) / (C * x) = R(A * A,x,C).  [para(1184(a,1),927(a,1,1,2,2)),rewrite([307(8),34964(6),435(9),83(12),307(11),435(14),8

3(17),307(16)])].

35079 R(A * (x / y),A,A' * y) = (A * x) / y.  [para(3914(a,1),34880(a,1,1))].

35166 (A * C) * (x * C) = C * (C * (A * x)).  [para(2536(a,1),32681(a,1,1,2)),rewrite([32681(9),25908(12)])].

35169 C * ((A * C) * x) = A * (C * (C * x)).  [para(32681(a,1),28523(a,1,2)),rewrite([28546(15)])].

35170 (A * C) * R(x,A,C) = C * (A * x).  [para(28523(a,1),32681(a,1,1,2)),rewrite([28013(7),32681(7),34595(7)]),flip(a)].

35195 R(A * (x * C),A,C') = C * (A * x).  [para(32697(a,1),28472(a,1,1)),rewrite([34595(7)]),flip(a)].

35199 (x * (A * y)) * A' = (x * A) * (y * A').  [para(435(a,1),1196(a,1,2,2)),rewrite([32255(5),79(11)]),flip(a)].

35211 (C * (C * (A * x))) / R(C * (C * x),A,C) = A.  [para(2536(a,1),32698(a,1,1)),rewrite([35166(6)])].

35298 A' * ((C * x) * A) = C * (A' * (x * A)).  [para(27676(a,1),1201(a,1,2)),rewrite([16(7,R),507(7),16495(8),27679(10),16(14,R),507(14),16(

18,R),507(18),871(14),31533(14)])].

35397 R(A * x',x,C) = A * R(x,A,C)'.  [para(33752(a,1),6(a,1,1)),rewrite([2061(5)]),flip(a)].

35406 ((C * x) * A) / R(x * A,A,C) = C.  [para(16(a,2),33800(a,1,1,1))].

35551 ((C * x) / y) * ((C * y) / x) = C * C.  [para(2635(a,1),1223(a,1,2,2,2)),rewrite([8394(10)])].

35878 R(x,A,A * (x * A)) = x.  [para(10(a,1),34601(a,1,1)),rewrite([50(5),10(11)])].

35903 R(A * x',x,A * x) = A * x'.  [para(35878(a,1),625(a,2,1)),rewrite([2061(2),435(6),83(9),307(8),435(8),2075(10)])].

35937 C * (C * (x / (C * y))) = (C * x) / y.  [para(1188(a,1),1251(a,1,2,2,2)),rewrite([578(12),1222(20,R),1075(20),8419(17)])].

35997 R(A,C' * x,A * (C * C)) = R(A,C,x * A).  [para(1254(a,1),806(a,1,1)),rewrite([1103(9),25415(9),28523(8),28538(8),2986(15),16(13),1421(1

4),10(15),29276(11),32275(10),16(8,R),27776(10),29325(11)]),flip(a)].

35998 R(A,x * C',A * (C * C)) = R(A,C,x * A).  [para(1254(a,1),807(a,1,1)),rewrite([2548(9),25415(9),28523(8),28538(8),2247(15),16(13),1421(1

4),10(15),29276(11),32275(10),16(8,R),27776(10),29325(11)]),flip(a)].

36016 R(R(x,A,C'),A,C * C) = R(x,A * C,C).  [para(27685(a,1),1259(a,1,1,2,2)),rewrite([27745(9),27756(9),7629(12)]),flip(a)].

36146 (C * (A * x)) / R(x,A,C) = A * C.  [para(35170(a,1),6(a,1,1))].

36225 R((C * x) / R(x,A,C),R(x,A,C),A) = C.  [para(35406(a,1),826(a,2)),rewrite([435(9),28596(10),86(7),439(6),435(13),28596(14),86(11),439(1

0)])].

36830 R(x,y * C',C)' * (C * (x * (C' * y))) = y.  [para(2835(a,2),1544(a,1,2,2)),rewrite([16(18,R),507(18)])].

36897 (C * (A * x)) / R(A * x,A,C) = R(C,A,R(x,A,C)).  [para(36146(a,1),1634(a,1,1,1)),rewrite([1090(6),435(4),123(6),28013(15)]),flip(a)].

37000 (A * (x * y)) / y = A * R(x,y,A').  [para(2168(a,1),6(a,1,1))].

37026 C' * (A * (x * (C * C))) = (A * C) * x.  [para(2168(a,1),1245(a,1,2)),rewrite([33170(17),24764(16),27745(17),27778(17)])].

37144 (A * (C / R(x,A,C))) * x = A * C.  [para(33841(a,1),2168(a,1,1,2)),rewrite([7(12)])].

37152 R(A * x,x',x * y) = A * R(x,y,A').  [back_rewrite(29398),rewrite([37000(9)])].

37154 A * R(x,x * A',A') = A * x.  [back_rewrite(8934),rewrite([37000(10)])].

37155 R(A * x,A,A' * y) = A * R(x,y,A').  [back_rewrite(7816),rewrite([37000(11)])].

37167 R(A * R(x,y,A'),y,A) = A * x.  [back_rewrite(29445),rewrite([37152(5)])].

37169 A * R(x / y,y,A') = (A * x) / y.  [back_rewrite(35079),rewrite([37155(8)])].

37194 R(x * A',A,C)' = A * R(x,A,C)'.  [para(37144(a,1),2584(a,1,1)),rewrite([1878(6),33813(15)])].

37212 R(R(A,C,x),x * C,C) = A.  [para(37144(a,1),1055(a,1,1,2,1)),rewrite([35169(6),32850(11),23627(7),23(5),3(4)]),flip(a)].

37227 R(R(A,C,C' * x),x,C) = A.  [para(7(a,1),37212(a,1,2)),rewrite([107(4)])].

37231 R(R(A,C,x * C'),x,C) = A.  [para(83(a,1),37212(a,1,2)),rewrite([474(10)])].

37253 R(C * (A' * x),A,C) = (C * A') * x.  [para(1345(a,1),28544(a,1)),rewrite([871(5),461(9),19511(10),34976(10),599(11)]),flip(a)].

37276 R(A,C * x,C') = R(A,C,C' * x).  [para(37227(a,1),26443(a,1,1))].

37277 R(A,x * C,C') = R(A,C,C' * x).  [para(37227(a,1),26451(a,1,1))].

37295 R(x,x * A',A') = x.  [para(37154(a,1),10(a,1,2)),rewrite([10(5)]),flip(a)].

37301 (A * ((A * C) * x)) / (x * C) = R(A * A,x,C).  [para(37154(a,1),923(a,1,1,2,2)),rewrite([34964(6),37295(12),37295(18)])].

37302 R(A * x,x',C) = A * R(x',A,C)'.  [para(37154(a,1),943(a,2,1)),rewrite([37295(8),37295(8),2028(4),16(3),37295(9),1647(7),37194(8),37295(

15)]),flip(a)].

37347 (A * x) / (y * A) = A * ((x * A') / y).  [para(37167(a,1),872(a,2,1)),rewrite([16472(6),1090(5),435(3),3914(8)]),flip(a)].

37353 A * R(x,A,y * A') = R(A * x,A,y).  [para(37167(a,1),34740(a,1,1)),rewrite([32255(10)]),flip(a)].

37460 R(C',(C * x) * x,C / x) = C'.  [para(2424(a,1),486(a,1,2)),rewrite([461(6,R),4780(6),18619(9),33(7)]),flip(a)].

37535 R(C',(x * C) * x,C / x) = C'.  [para(16(a,1),37460(a,1,2,1))].

37562 (C * x) / (y * (C * (x * C))) = R(C * y,C',x)'.  [para(37535(a,1),889(a,1,1,1)),rewrite([7424(9),29924(8),31534(7),20494(12),2843(15),2

7321(14),7424(14)]),flip(a)].

37972 A' * (x * (C * C)) = C * ((C * A') * x).  [para(2617(a,2),6433(a,2)),rewrite([6433(13),2815(14)])].

38098 R(x,A',A * (y * A)) = R(x,y,A).  [para(10(a,1),2676(a,1,2)),rewrite([50(8)]),flip(a)].

38114 R(x,y * (z * A'),A) = R(x,A',(A * y) * z).  [para(2153(a,1),38098(a,1,3,2)),rewrite([35(10)]),flip(a)].

38163 R(C * x,A,C) / x = R(C,A',A * x).  [para(2805(a,1),98(a,2)),rewrite([16(5,R),2153(7),31235(7),83(10),307(9)])].

38167 R(R(x,y,A'),A',A * y) = x.  [para(2805(a,1),759(a,2)),rewrite([83(6),307(5),83(6),307(5),6(2)]),flip(a)].

38171 R(R(x,A',A * y),A,A' * (y * A')) = x.  [para(2805(a,1),34880(a,1,1))].

38175 R(R(x,A' * y,A'),A',y) = x.  [para(35(a,1),38167(a,1,3))].

38246 R(x,C * A',A') = R(x,A,C).  [para(38175(a,1),26443(a,1,1)),rewrite([28327(7),16(7,R)]),flip(a)].

38362 (x / (y * z)) * y = y' * ((y * x) / z).  [para(3558(a,1),10(a,1,2)),flip(a)].

38363 (x' * y) / (x * z) = x' * ((y / z) * x').  [para(10(a,1),3558(a,1,2,1,2)),flip(a)].

38366 (x * y) / (x' * z) = x * ((y / z) * x).  [para(35(a,1),3558(a,1,2,1,2)),flip(a)].

38380 ((x * y) / z) * x' = x * (y / (x * z)).  [para(3558(a,1),1090(a,1,1)),rewrite([38362(7),1750(9),33186(10)])].

38384 x * (R(C * x,C',y)' * x) = R(C' * x,C,y).  [para(838(a,1),3558(a,2)),rewrite([29907(4)])].

38387 (x / (y * z)) * (y * u) = y' * (((y * x) / z) * u).  [para(3558(a,1),1091(a,2,2,1)),rewrite([38362(3),1750(5),38380(5),10(5)])].

38392 (C * x) / (y * C') = C * (C * (x / y)).  [para(507(a,1),3558(a,1,2,1,2)),rewrite([16(4,R)]),flip(a)].

38407 ((x' * y) / z) * x = x' * (y / (x' * z)).  [para(3558(a,1),10934(a,2,2,1)),rewrite([38362(6),31(3),1304(6),112(5),38362(6),31(3),10(6),

112(9)])].

38427 R(R(x,C * (y / (C * z)),C),(C * y) / z,C') = x.  [para(3558(a,1),26443(a,1,2)),rewrite([16(5,R)])].

38436 (C * (x * y)) / y = C * (C * R(C' * x,C,y)).  [para(847(a,1),3558(a,1,2,1)),rewrite([16(8,R)]),flip(a)].

38438 C * (C * R(C' * x,C,C * y)) = R(x * C,C,y).  [para(856(a,1),3558(a,1,2,1)),rewrite([16(10,R),1593(19),10(18)])].

38439 R(C' * x,C,C * y) = R(C' * x,C,y).  [para(856(a,1),3558(a,2)),rewrite([37562(8),38384(8)]),flip(a)].

38446 (A' * (x * y)) / y = A' * R(x,y,A).  [para(897(a,1),3558(a,1,2,1)),rewrite([31965(10),86(7),439(6)]),flip(a)].

38447 (C * (C * x)) / (y * x) = C * (C * R(y,x,C)').  [para(922(a,1),3558(a,1,2,1)),rewrite([16(6,R)]),flip(a)].

38523 C * (C * R(C' * x,C,y)) = R(x * C,C,y).  [back_rewrite(38438),rewrite([38439(9)])].

38526 (x * (C * C)) / (y * (C * x)) = R(C' * y,C,x)'.  [back_rewrite(30179),rewrite([38439(15)])].

38527 R(C' * R(x,C,y),C,y) = R(C' * x,C * C,y).  [back_rewrite(29549),rewrite([38439(9)])].

38532 R(A' * x,A',A * y) = A' * R(x,y,A).  [back_rewrite(5404),rewrite([38446(13)])].

38546 (C * (x * y)) / y = R(x * C,C,y).  [back_rewrite(38436),rewrite([38523(13)])].

38549 R(x,C,y * C') = R(x,C,y).  [back_rewrite(32659),rewrite([38546(7),16(5,R),507(5)]),flip(a)].

38553 R(C * R(x,y,C),C',y) = R(x * C,C,y).  [back_rewrite(29957),rewrite([38546(11)])].

38560 R(A * C,A',A * x) = R(A * C,C,x).  [back_rewrite(5167),rewrite([38546(13)])].

38563 R(R(A,C,x),x,C) = A.  [back_rewrite(37231),rewrite([38549(6)])].

38575 (x * (y * C')) / y = R(x * C',C,y).  [back_rewrite(16263),rewrite([38549(8)]),flip(a)].

38579 R(x,C,y) * y = C * ((C' * x) * y).  [back_rewrite(2870),rewrite([38549(5)])].

38618 C * (R(A,C,x) * x) = A * (x * C).  [para(38563(a,1),79(a,1,1)),rewrite([16(10,R)]),flip(a)].

38626 R(A,C,C' * x) = R(A,C,x).  [para(38563(a,1),26443(a,1,1)),rewrite([37276(6)])].

38627 R(A,C,x) = R(A,x,C').  [para(38563(a,1),26452(a,1,1)),rewrite([38626(10)]),flip(a)].

38632 R(A,x * C,C') = R(A,C,x).  [back_rewrite(37277),rewrite([38626(12)])].

38660 R(A,C,x)' = R(A,x,C')'.  [para(38627(a,1),143(a,2,1)),rewrite([143(6)])].

38666 R(A,C' * x,C') = R(A,C,x).  [para(38627(a,1),2884(a,1)),rewrite([38549(13)])].

38668 R(A * x,A,C) / x = R(A,C,x).  [para(38627(a,1),2883(a,2)),rewrite([2290(7),461(5),27652(7),507(10),38666(13)])].

38669 R(A,C,C * x) = R(A,C,x).  [para(38627(a,2),81(a,2)),rewrite([599(4),461(7,R),27662(7),38668(6),599(8)]),flip(a)].

38672 R(A,C,A' * x) = R(A',x,C')'.  [para(38627(a,2),142(a,1))].

38674 R(A * x,A,C) = R(A,C,x) * x.  [para(38627(a,2),750(a,1,1)),rewrite([599(5),38669(5),599(8),461(11,R),27662(11)]),flip(a)].

38739 R(A,x,C * C) = R(A,C,x).  [para(38669(a,1),18(a,2)),rewrite([25908(6),1260(11)])].

38765 R(A',x,C * C)' = R(A',x,C')'.  [para(38739(a,1),142(a,1)),rewrite([38672(6)]),flip(a)].

38768 R(x,C,C * y) = R(x,C,y).  [para(7(a,1),38549(a,1,3)),rewrite([599(6)]),flip(a)].

38771 R(x,C,y * C) = R(x,C,y).  [para(83(a,1),38549(a,1,3)),rewrite([31(4),458(5),31(6)]),flip(a)].

38772 R(x,C,C' * y) = R(x,C,y).  [para(461(a,2),38549(a,1,3))].

38773 R(x,C,y * (y * C)) = R(x,C,y * y).  [para(69(a,1),38549(a,1,3)),rewrite([507(6)]),flip(a)].

38781 R(x,A,C * C) = R(x,A,C').  [para(26602(a,1),38549(a,2)),rewrite([461(7,R),64(7),27089(3)]),flip(a)].

38830 R(x,A * C,C) = R(x,A,C).  [back_rewrite(36016),rewrite([38781(9),28537(8)]),flip(a)].

38852 R(C / x,x,C * y) = R(C' * x,C,y)'.  [para(38768(a,1),625(a,2,1)),rewrite([107(7)])].

38867 R(C / x,x,y * C) = R(C' * x,C,y)'.  [para(38771(a,1),625(a,2,1)),rewrite([107(7)])].

38878 R((A * C) / x,x,C) = C / (x * A').  [para(38830(a,1),625(a,2,1)),rewrite([22446(10),28535(15),141(13)])].

38913 x / R(A * x,A,C) = R(A,C,x)'.  [para(38632(a,1),139(a,2,1)),rewrite([461(5,R),64(5),461(7,R),27755(7)])].

38914 R(A,C,x)' * R(A * x,A,C) = x.  [para(38632(a,1),751(a,1,1,1)),rewrite([461(11,R),27755(11),461(15,R),64(15)])].

38942 R(A,x,C')' * R(A,C,x) = 0.  [para(38660(a,1),8(a,1,1))].

38944 R(A,C,x) * R(A,x,C')' = 0.  [para(38660(a,1),9(a,1,2))].

38946 R(A,x,C')' * (R(A,C,x) * y) = y.  [para(38660(a,1),10(a,1,1))].

38948 R(A,C,x)' * y = R(A,x,C')' * y.  [para(38660(a,1),32(a,2,1)),rewrite([32(4)])].

38965 R(R(A,C,x),R(A,x,C')',y) = R(A,C,x).  [para(38660(a,1),84(a,1,2))].

39138 x / (A' * (y * x)) = R(y,x,A)' * A.  [para(1841(a,1),1425(a,1,2,1)),rewrite([13(9),10(7),38532(13),2027(11)])].

39152 R(x' * A,A',x * y) = R(x,y,A)' * A.  [back_rewrite(29181),rewrite([39138(12)])].

39169 R(A,x',C') = R(A,C,x').  [para(4920(a,1),38666(a,1,2)),rewrite([10(7),38771(11)])].

39184 R(A,x / y,C') = R(A,C,x / y).  [para(112(a,1),39169(a,1,2)),rewrite([112(9)])].

39193 R(A,R(A,C,x)',C') = R(A,C,R(A,x,C')').  [para(38660(a,1),39169(a,2,3))].

39205 R(A,C,x * (A * (C * C))) = R(A,x,A * (C * C)).  [para(1251(a,2),38668(a,1,1,1)),rewrite([11863(8),32681(11),15(8),71(7),16(5),6996(15)]

),flip(a)].

39236 C' * (x * ((A * C) * x)) = x * R(A * x,A,C).  [para(38674(a,2),130(a,2,2)),rewrite([757(8)])].

39251 (R(A,C,x) * x) / R(x,A,C) = A.  [para(38674(a,1),28332(a,1,1))].

39259 R(x,A,C) / (R(A,C,x) * x) = A'.  [para(38674(a,1),28334(a,1,2))].

39311 x * R(A,C,y) = x * R(A,y,C').  [para(38942(a,1),752(a,1,1,3)),rewrite([31(6),78(6),31(10),38942(18),3(11)])].

39325 R(A,C,x) * y = R(A,x,C') * y.  [para(38944(a,1),752(a,2,1)),rewrite([38965(14),2(11)])].

39351 R(A,R(C' * x,A,C),C)' = R(x,A,C) / (A * x).  [para(16494(a,1),1430(a,1,2,2)),rewrite([1913(8),461(7),2223(8),461(7,R),24756(8),16(8,R),

28523(8),35(5),1913(15),461(14),2223(15),461(14,R),24756(15)]),flip(a)].

39387 (R(A,x,C') * x) / R(x,A,C) = A.  [para(38627(a,1),39251(a,1,1,1))].

39485 R(x * C,C,y) * y = C * (x * y).  [para(38546(a,1),7(a,1,1))].

39490 x / (C * (y * x)) = R(y * C,C,x)'.  [para(38546(a,1),112(a,1,1)),flip(a)].

39494 R(C * R(x,C,y),C,y) = R(x * C,y,C).  [para(757(a,1),38546(a,1,1,2)),rewrite([101(8),16(8,R),38771(12)]),flip(a)].

39499 (C * (x * (y * C))) / (C * y) = R(x * C,C,y).  [para(2536(a,1),38546(a,1,1,2)),rewrite([38768(14)])].

39500 C * (C * R(x,C,y)) = R(C * (C * x),C,y).  [para(2224(a,1),38546(a,1,1,2)),rewrite([38392(12),38546(9),16(7,R),35(7),16(10,R),38549(15)]

)].

39531 R(C * R(x,C',y),C,y) = C * x.  [para(786(a,1),38546(a,1,1,2)),rewrite([38392(10),6(7),507(6),16(7,R),38549(12)]),flip(a)].

39536 R(C / x,x,x' * y) = R(x' * C,C,y).  [para(38546(a,1),842(a,2))].

39541 R(x,C * C,y) = R(x,y,C).  [para(38546(a,1),1587(a,1,1,2)),rewrite([38527(9),64(5),101(10)])].

39546 R(A * C,C',x) = R(A * C,x,C).  [para(38674(a,2),38546(a,1,1,2)),rewrite([28523(7),28546(7),29933(5),16(3),16(11,R),39494(13)])].

39552 R(C' * x',C,x * y) = R(x * C,C,y)'.  [back_rewrite(1591),rewrite([39490(11)])].

39610 R(x,R(C * y,A,C),C) = R(x,R(y,A,C),C).  [back_rewrite(28687),rewrite([39541(14)])].

39627 R(R(x,y,C),y,C) = R(x,y,C * C).  [back_rewrite(26538),rewrite([39541(6)])].

39645 R(C / x,C * x,y) = R(x * C',y,C)'.  [back_rewrite(25351),rewrite([39541(12)])].

39651 R(x,y * (C' * C'),C) = R(x,C' * y,C).  [back_rewrite(23298),rewrite([39541(10)])].

39658 R(A,C * x,A * C) = R(A,x * A,C).  [back_rewrite(20688),rewrite([39541(7)]),flip(a)].

39664 R(x,y * C,C) = R(x,y,C).  [back_rewrite(20673),rewrite([39541(4)]),flip(a)].

39683 R(x,y * C',C) = R(x,y,C).  [back_rewrite(5819),rewrite([39541(7)])].

39688 R(x,C' * y,C) = R(x,y,C).  [back_rewrite(3408),rewrite([39541(7)])].

39692 R(x,C * y,C) = R(x,y,C).  [back_rewrite(1258),rewrite([39541(4)]),flip(a)].

39711 R(R(x,C' * y,C'),y,C) = x.  [back_rewrite(29681),rewrite([39651(14),39688(11)])].

39721 C * (C * R(x,y,C)) = R(C * (x * C),y,C).  [back_rewrite(32414),rewrite([39664(6)])].

39741 R(x,y,C)' * (C * (x * (C' * y))) = y.  [back_rewrite(36830),rewrite([39683(5)])].

39745 R(R(x / y,y,C')',x,C) = y / x.  [back_rewrite(28250),rewrite([39683(10)])].

39746 R(R(x,y,C'),y,C) = x.  [back_rewrite(27943),rewrite([39683(8)])].

39747 R(R(x,y,C),y,C') = x.  [back_rewrite(26458),rewrite([39683(5)])].

39748 R(x,y,C) * y = C * (x * (y * C')).  [back_rewrite(25813),rewrite([39683(5)])].

39771 R(R(x,y,C')',x * y,C) = x'.  [back_rewrite(28159),rewrite([39688(10)])].

39780 R(x,y,C) * y = C * (x * (C' * y)).  [back_rewrite(25736),rewrite([39688(5)])].

39802 R(R(x,y / (C * z),C),(C * y) / z,C') = x.  [back_rewrite(38427),rewrite([39692(7)])].

39813 (C * (C * (x * y))) / y = R(C * (x * C),y,C).  [back_rewrite(26432),rewrite([39721(12)])].

39839 C * (R(x,y,C') * y) = x * (y * C).  [para(39746(a,1),79(a,1,1)),rewrite([16(9,R)]),flip(a)].

39840 R(x,C * y,C') = R(x,y,C').  [para(39746(a,1),26443(a,1,1))].

39841 R(x,y * C,C') = R(x,y,C').  [para(39746(a,1),26451(a,1,1))].

39878 R(R(x,C,y),y,C') = R(x,C',y).  [back_rewrite(32671),rewrite([39840(7)])].

39884 R(x,C' * C',y * (C * C)) = R(x,y,C').  [back_rewrite(28043),rewrite([39840(15)])].

39895 R(R(x / y,y,C)',x,C') = y / x.  [back_rewrite(26483),rewrite([39840(9)])].

39916 (C' * (x * (C * y))) / y = R(x,y,C').  [back_rewrite(462),rewrite([39840(12)])].

39922 (C' * (x * (y * C))) / y = R(x,y,C').  [back_rewrite(16428),rewrite([39841(12)])].

39931 R(R(x,y,C)',x * y,C') = x'.  [para(143(a,1),39747(a,1,1))].

39991 R(x,y * C,C * C) = R(x,y,C * C).  [para(39664(a,1),948(a,2,1)),rewrite([16(6,R),16(12,R),1260(14),16(12,R),39692(14),39664(12),39627(10

)])].

40034 R(x,R(A * y,A,C'),C) = R(x,A * (y * C'),C).  [para(2168(a,1),39683(a,1,2)),rewrite([28038(13),24764(13)]),flip(a)].

40094 R(x,C' * y,C') = R(x,y,C').  [para(39711(a,1),39747(a,1,1)),flip(a)].

40099 R(x,C' * C',y) = R(x,y,C').  [back_rewrite(26529),rewrite([40094(12)])].

40102 R(x,y * (C * C),C') = R(x,y,C').  [back_rewrite(39884),rewrite([40099(10)])].

40195 R(x,R(A,C,y) * y,C) = R(x,A * (y * C),C).  [para(38618(a,1),91(a,1,2,2)),rewrite([1272(9),38618(7),102(14),39541(14)]),flip(a)].

40204 R(A * C,x,C)' = R(A' * C',A,x).  [para(38618(a,1),829(a,2,2)),rewrite([107(6),39552(13),16(5,R),39494(7),29907(11),16(9),29928(13)])].

40214 A * (C / (x * A)) = C / R(x,A,C).  [para(38618(a,1),1054(a,2,1)),rewrite([1243(6),27089(4),1243(11),27089(9),1243(14),38867(14),28958(7

),27089(10),28537(11),33814(7),1243(16),37347(15),12(12),33177(15)]),flip(a)].

40219 R(x,R(A,C,y) * y,C') = R(x,A * (y * C),C').  [para(38618(a,1),39840(a,1,2)),flip(a)].

40252 (A' * x) / R(x,A,C) = R(A',x,C').  [para(35(a,1),38913(a,1,2,1)),rewrite([38672(13),31(14)])].

40305 R(A,R(x,y,z),C') = R(A,C,R(x,y,z)).  [para(18(a,1),39184(a,1,2)),rewrite([18(11)])].

40310 R(A,x * y,C') = R(A,C,x * y).  [para(332(a,1),39184(a,1,2)),rewrite([332(11)])].

40318 R(A,C,R(A,C,x)') = R(A,C,R(A,x,C')').  [para(38913(a,1),39184(a,1,2)),rewrite([39193(8),38913(16)]),flip(a)].

40368 A' * (R(A,C,x) * x) = R(x,A,C).  [para(39259(a,1),7(a,1,1))].

40641 R(R(A,C,x),A,C)' = R(R(A,x,C'),A,C)'.  [para(39311(a,1),28587(a,1,2,1)),rewrite([28587(11)]),flip(a)].

40871 (A * (x * C)) / R(C * x,A,C) = R(A,R(x,A,C),C).  [para(39387(a,1),839(a,1,1)),rewrite([39839(13),16(15,R),28523(15)]),flip(a)].

40883 R(C * x,C,y) * y = C * (x * y).  [para(16(a,2),39485(a,1,1,1))].

40909 R(C' * x,C,y) * y = x * (C' * y).  [para(481(a,1),39485(a,1,1,1)),rewrite([16(6,R),9(6),3(4),481(14),35(15)])].

40955 R(A * C,x,C) * x = A * (C * x).  [para(38674(a,2),39485(a,2,2)),rewrite([16(5,R),39494(7),28523(13),28546(13)])].

40994 R(A * C,x,C * C) = R(A * C,C,x).  [para(39546(a,1),948(a,2,1)),rewrite([461(7,R),64(7),35(9),38546(5),39688(15),39627(12)]),flip(a)].

41107 R(x',R(x,y,C) * y,C) = R(x,y,C)'.  [para(39747(a,1),39771(a,1,1,1))].

41157 R(x',R(x,y,C') * y,C') = R(x,y,C')'.  [para(39746(a,1),39931(a,1,1,1))].

41235 C / ((C * x) * A') = A * R(x,A,C')'.  [para(1424(a,1),40214(a,1,2)),rewrite([435(4),2805(7),25843(7),435(11),27909(16)]),flip(a)].

41254 (C * (A * (C * C))) / (C * (C * x)) = A * (C / x).  [para(16494(a,1),1483(a,1,2,2,2)),rewrite([1255(6),39991(25),38781(23),27671(22),20

75(19),141(17)])].

41286 R(R(A,C,x),x,A)' * A = x / R(x,A,C).  [para(40368(a,1),829(a,2,2)),rewrite([871(7),39152(13)])].

41290 R(A,R(x,A,C),C) = R(A,x,C).  [para(40368(a,1),922(a,1,2,2)),rewrite([38618(6),28523(9),40871(10),40195(14),143(14),39664(11),31(11)])].

41302 R(R(A,x,C'),R(x,A,C),C) = A.  [para(40368(a,1),39771(a,1,2)),rewrite([40219(9),143(9),39841(6),31(6),31(12)])].

41303 R(R(A,x,C),R(x,A,C),C') = A.  [para(40368(a,1),39931(a,1,2)),rewrite([40195(8),143(8),39664(5),31(5),31(12)])].

41305 R(x,A,C) / (A * x) = R(A,x,C)'.  [back_rewrite(39351),rewrite([41290(9),39688(6)]),flip(a)].

41307 (A * x) / R(x,A,C) = R(A,x,C).  [back_rewrite(28016),rewrite([41290(9),39688(6)]),flip(a)].

41310 R(A,(C * x) * A',C) = R(A,x * A',C).  [para(878(a,1),41290(a,1,2)),rewrite([16(5,R),22446(9),13(11),507(9),39692(8),435(11)]),flip(a)].

41312 R(A,R(x,A,C'),C) = R(A,x,C).  [para(32626(a,1),41290(a,1,2)),rewrite([27089(4),28544(12),41290(13)])].

41314 R(A,(C * x) * A,C) = R(A,x * (A * C),C).  [para(27599(a,1),41290(a,1,2)),flip(a)].

41315 R(A,x * (A * C),C) = R(A,x * A,C).  [para(28015(a,1),41290(a,1,2)),rewrite([39692(7)]),flip(a)].

41316 R(A,A * (C * x),C) = R(A,A * x,C).  [para(28546(a,1),41290(a,1,2)),rewrite([39692(14)])].

41317 R(A,(A * C) * x,C) = R(A,A * x,C).  [para(32681(a,1),41290(a,1,2)),rewrite([41316(14)])].

41321 R(A,(C * x) * A,C) = R(A,x * A,C).  [back_rewrite(41314),rewrite([41315(14)])].

41340 R(R(A,C,R(x,A,C')),x,C) = A.  [para(34740(a,1),41302(a,1,2)),rewrite([27681(6),40305(8)])].

41346 R(R(A,C,x),R(x,A,C),C) = A.  [para(38627(a,2),41302(a,1,1))].

41348 R(A,C,R(x,A,C)) = R(A,x,C').  [para(41302(a,1),39747(a,1,1)),rewrite([40305(7)])].

41391 R(A,x,C) * R(x,A,C) = A * x.  [para(41307(a,1),7(a,1,1))].

41401 R(A,x * A,C) = R(A,x,A * C).  [para(27599(a,1),41307(a,1,2)),rewrite([29276(11),35199(10),28545(10),29324(10),41321(12)]),flip(a)].

41402 R(A,C',x) = R(A,x,C).  [para(34740(a,1),41307(a,1,2)),rewrite([27681(6),24764(6),29950(7),27681(10),41312(11)])].

41405 R(R(A,x,C),R(x,A,C),C * C) = A.  [para(41307(a,1),1280(a,1,1)),rewrite([1222(23,R),28523(22),28523(23),35211(24)])].

41412 R(A,C * x,A * C) = R(A,x,A * C).  [back_rewrite(39658),rewrite([41401(12)])].

41414 R(A,C',x)' = R(A,x,C)'.  [para(41402(a,1),143(a,2,1)),rewrite([143(7)])].

41422 R(A,(C * A') * x,C) = R(A',C',x)'.  [para(41402(a,1),125(a,1)),rewrite([494(6),435(4),494(15),435(13),25411(16),29909(15)])].

41424 R(A * x,A,C') = R(A,x,C) * x.  [para(41402(a,1),752(a,1,1)),rewrite([39692(5),2312(11),16(9),20902(11)]),flip(a)].

41432 R(C * R(A,x,C),C,x) = A * C.  [para(41402(a,1),39531(a,1,1,2)),rewrite([16(10)])].

41435 R(A,C',R(x,A,C)) = R(A,x,C).  [para(41402(a,2),41290(a,1))].

41442 R(A,x,C)' * R(A,C',x) = 0.  [para(41414(a,1),8(a,1,1))].

41444 R(A,C',x) * R(A,x,C)' = 0.  [para(41414(a,1),9(a,1,2))].

41445 R(A,x,C) * R(A,C',x)' = 0.  [para(41414(a,2),9(a,1,2))].

41467 R(R(A,C',x),R(A,x,C)',y) = R(A,C',x).  [para(41414(a,1),84(a,1,2))].

41534 R(A,R(A,x,C)',C') = R(A,C,R(A,C',x)').  [para(41414(a,1),39169(a,1,2))].

41537 R(A' * x,A,C) / x = R(A',C',x).  [para(41414(a,1),1435(a,1)),rewrite([494(6),435(4),41422(8),31(7),494(12),435(10),25411(13)]),flip(a)]

.

41549 R(A,x * (C * A'),C) = R(A,x * A',C).  [para(825(a,1),41312(a,1,2)),rewrite([19511(6),599(12),435(13),41310(16)])].

41565 R(A,C,R(x,A,C')) = R(A,x,C').  [para(41340(a,1),39747(a,1,1)),flip(a)].

41579 R(A,C,(x * C) * A) = R(A,C,x * (A * C)).  [para(27434(a,1),41348(a,1,3)),rewrite([40310(15)]),flip(a)].

41580 R(A,C,(C * x) * A) = R(A,C,x * (A * C)).  [para(27599(a,1),41348(a,1,3)),rewrite([40310(15)]),flip(a)].

41581 R(A,C,x * (A * C)) = R(A,C,x * A).  [para(28015(a,1),41348(a,1,3)),rewrite([38768(7),40310(13)]),flip(a)].

41592 R(A,C,(C * x) * A) = R(A,C,x * A).  [back_rewrite(41580),rewrite([41581(14)])].

41593 R(A,C,(x * C) * A) = R(A,C,x * A).  [back_rewrite(41579),rewrite([41581(14)])].

41595 R(A,x,C)' * (A * x) = R(x,A,C).  [para(41391(a,1),10(a,1,2))].

41617 R(A,x * A',A * C) = R(A,x,C).  [para(7(a,1),41401(a,1,2)),rewrite([435(6)]),flip(a)].

41666 C' * (x * (A * (C * C))) = (x * C) * A.  [para(41432(a,1),780(a,1,2)),rewrite([474(6),16(3),16(5,R),1255(5),40102(8),27120(8),474(10),1

6(7),16(9,R),1255(9),461(13,R)]),flip(a)].

41670 R(A * C,C,x) = R(A * C,x,C').  [para(41432(a,1),39878(a,1,1)),rewrite([38553(14)]),flip(a)].

41676 R(A,x * A',C) = R(A,C',x * A').  [para(878(a,1),41435(a,1,3)),rewrite([16(7,R),22446(11),13(13),507(11),31739(9),435(12),41310(15)]),fl

ip(a)].

41679 R(A,C',(x * C) * A) = R(A,x,A * C).  [para(28538(a,1),41435(a,1,3)),rewrite([39692(15),41401(13)])].

41682 R(A,A * x,C) = R(A,C',A * x).  [para(34595(a,1),41435(a,1,3)),rewrite([31739(8),41317(13)]),flip(a)].

41685 R(A,x * (C * A'),C) = R(A,C',x * A').  [back_rewrite(41549),rewrite([41676(14)])].

41687 A * (x / R(x,A,C)) = R(A,x,A * C).  [back_rewrite(29314),rewrite([41679(8)]),flip(a)].

41710 x * R(A,C',y) = x * R(A,y,C).  [para(41442(a,1),752(a,1,1,3)),rewrite([31(5),78(5),31(10),41442(18),3(11)])].

41727 R(A,x,C) / R(A,C',x) = 0.  [para(41444(a,1),321(a,2,1)),rewrite([41467(15),27(10)])].

41729 R(A,C',x) * y = R(A,x,C) * y.  [para(41444(a,1),752(a,2,1)),rewrite([41467(13),2(11)])].

41746 (C * R(A,x,C)) / (C * R(A,C',x)) = 0.  [para(41727(a,1),839(a,1,1)),rewrite([76(7),16(12,R)]),flip(a)].

41778 (C * (A' * x)) * A' = A' * (C * (x * A')).  [para(40883(a,1),1841(a,2,2)),rewrite([24707(8),31257(8),31260(8)])].

41796 R(x * A',A,C')' = A * R(x,A,C')'.  [para(40883(a,1),25374(a,1,1)),rewrite([27783(8),38549(20),24707(17),33251(17),41235(15)])].

41824 R(C' * R(A * C,x,C),C,x) = A.  [para(40955(a,1),838(a,1,1)),rewrite([2585(7)]),flip(a)].

41930 R(A',C',x) = R(A',x,C).  [para(35(a,1),41305(a,1,2)),rewrite([41537(7),142(11),31(11)])].

41933 R(A,C,x) * A' = A * R(A,x,C)'.  [para(41305(a,1),3914(a,2,2)),rewrite([28013(5),24111(12),38668(6)])].

41962 R(A' * x,A,C) = R(A',x,C) * x.  [para(41930(a,1),752(a,1,1)),rewrite([39692(6),2312(13),25411(13)]),flip(a)].

41967 R(A' * x,A,C') / x = R(A',x,C * C).  [para(41930(a,1),948(a,2,1)),rewrite([24777(8),35(12),39688(17),39627(14)])].

41968 R(A',x,C * C) = R(A',C,x).  [para(41930(a,2),948(a,2,1)),rewrite([16(6,R),7556(12),39664(15),32626(13)])].

41973 R(A,C,(A' * C') * x)' = R(A',C,x).  [back_rewrite(24770),rewrite([41967(18),41968(16)])].

41974 R(A' * x,A,C') / x = R(A',C,x).  [back_rewrite(41967),rewrite([41968(14)])].

41975 R(A',C,x)' = R(A',x,C')'.  [back_rewrite(38765),rewrite([41968(6)])].

41976 R(A' * x,A,C') = R(A',C,x) * x.  [back_rewrite(24769),rewrite([41973(10)]),flip(a)].

41986 R(A',C,A * x) = R(A,C,x)'.  [para(41968(a,1),143(a,1)),rewrite([38739(11)])].

41990 C * (A' * (C' * x)) = R(A' * x,A,C).  [para(41968(a,1),1114(a,1,2,2)),rewrite([175(6),175(14),175(24),38549(26),458(23),38362(20),31(11

),6142(18),16(15,R),28040(18),27662(16),28543(11),39627(12),38781(11),33976(11),25411(8),175(12),28040(15),1222(19,R),35(18)]),flip(a)].

41991 x / R(A' * x,A,C') = R(A',C,x)'.  [para(41968(a,1),1424(a,2,1)),rewrite([1863(6),1222(13,R),41990(12),28523(11),28019(8),39627(9),38781

(8),1863(15),38772(18),38549(15)])].

41993 R(A,C,(A' * C') * x) = R(A',C,x)'.  [back_rewrite(24772),rewrite([41991(17)])].

41998 R(A',C,x) = R(A',x,C').  [para(35(a,1),41986(a,1,3)),rewrite([38672(10),31(11)])].

42000 R(A',C,R(C' * x,A,C)) = R(A',C,x).  [para(125(a,1),41986(a,2,1)),rewrite([559(8),435(8),461(9),24710(11),559(15),435(15),461(16),24777(

18),41991(18),31(16)])].

42016 (C * ((C * A') * x)) / (C * (C * x)) = A'.  [para(41998(a,1),948(a,2,1)),rewrite([16(5,R),39692(21),39746(19)])].

42226 A * (R(A,x,C)' * A) = R(A,C,x).  [para(41595(a,1),40(a,1,1,2)),rewrite([28013(5),38668(6)]),flip(a)].

42231 A' * (R(A,x,C) * A') = R(A,C,x)'.  [para(41595(a,1),1026(a,1,2,2)),rewrite([28013(5),38913(6),31(11)]),flip(a)].

42233 R(A,C',x)' * (A * x) = R(x,A,C).  [para(41402(a,2),41595(a,1,1,1))].

42240 R(A,x * (C * A'),A * C) = R(A,x,C).  [para(71(a,1),41617(a,1,2)),rewrite([41412(12),39692(17),39692(15)])].

42262 R(A * C,x,C') * x = C * (A * x).  [para(41670(a,1),761(a,1,1)),rewrite([40094(9),16(12,R),1255(12),1272(16),35(14)])].

42326 C' * R(A * (C * C),x,C) = C * R(A,C',x).  [para(41710(a,2),1245(a,2)),rewrite([1222(9,R),39721(9),1255(7)])].

42384 R(R(A,C',x),A,C)' = R(R(A,x,C),A,C)'.  [para(41710(a,1),28587(a,1,2,1)),rewrite([28587(10)]),flip(a)].

42621 R(A,x,C)' * A = A' * R(A,C,x).  [para(42226(a,1),10(a,1,2)),flip(a)].

42639 R(R(A,x,C)',A,R(A,C,x)) = R(A,x,C)'.  [para(42226(a,1),35878(a,1,3))].

42641 A * (R(A,C,x)' * A) = R(A,x,C).  [para(42226(a,1),35903(a,1,3)),rewrite([42621(7),2027(8),42621(14),23940(18),41933(8),10(9),42639(9),3

1(5),42621(10),2027(11)]),flip(a)].

42646 A * (R(A,x,A * C)' * A) = R(A,C,x * A).  [para(41401(a,1),42226(a,1,2,1,1))].

42647 R(A',R(A,C,x),C) = R(A',C',R(A,C,x)).  [para(42226(a,1),41305(a,1,2)),rewrite([42621(6),41537(13),42621(15),142(17),31(17)]),flip(a)].

42648 R(A',R(A,C,x),C') = R(A',C,R(A,C,x)).  [para(42226(a,1),41986(a,1,3)),rewrite([42621(15),38672(16),31(17)]),flip(a)].

42649 R(A,R(A,C,x),C) = R(A,C',R(A,C,x)).  [para(42226(a,1),41682(a,1,2)),rewrite([42621(16),35(17)])].

42678 R(A,C,x)' * A = A' * R(A,x,C).  [para(42641(a,1),10(a,1,2)),flip(a)].

42680 R(A,x,C) * A' = A * R(A,C,x)'.  [para(42641(a,1),1090(a,1,1)),rewrite([42678(13),435(15),1841(16),42231(16)])].

42681 R(A,C,x)' * (A * y) = A' * (R(A,x,C) * y).  [para(42641(a,1),1091(a,2,2,1)),rewrite([42678(6),435(8),1841(9),42680(8),10(9)])].

42695 R(A,x,C) * (C * A') = A * (C * R(A,C,x)').  [para(42641(a,1),1105(a,1,1)),rewrite([42678(16),435(18),1841(19),42680(18),10(19)])].

42701 R(A',R(A,x,C),C) = R(A',C',R(A,x,C)).  [para(42641(a,1),41305(a,1,2)),rewrite([42678(6),41537(13),42678(15),142(17),31(17)]),flip(a)].

42702 R(A',R(A,x,C),C') = R(A',C,R(A,x,C)).  [para(42641(a,1),41986(a,1,3)),rewrite([42678(15),38672(16),31(17)]),flip(a)].

42775 R((A * C) / x,x,C * C) = A * (C / x).  [para(3563(a,1),1281(a,2,1)),rewrite([16(3),16(14,R),1255(14),41254(20)])].

42955 R(A,C',x)' * A = A' * R(A,C,x).  [para(41414(a,1),4898(a,2,1)),rewrite([4898(15),42621(13)])].

43033 R(A',x',C') = R(A',C,x').  [para(5026(a,1),41998(a,2)),rewrite([38771(7),39840(13)]),flip(a)].

43036 R(A',x / y,C') = R(A',C,x / y).  [para(112(a,1),43033(a,1,2)),rewrite([112(11)])].

43049 R(A,x,C') * A' = A * R(A,x,C)'.  [para(39325(a,2),5094(a,2)),rewrite([5094(15),41933(13)])].

43050 R(A,C',x) * A' = A * R(A,C,x)'.  [para(41729(a,1),5094(a,2)),rewrite([5094(15),42680(13)])].

43379 C' / (x / (y * C)) = C / ((C * x) / y).  [para(8394(a,1),117(a,1,2)),rewrite([509(11)]),flip(a)].

43383 R(C / x,x,y) = C * (C * R(x * C,C,y)').  [para(80(a,2),8394(a,2)),rewrite([16(5,R),39490(6)]),flip(a)].

43395 C' * ((x * C) / y) = C * (x / (C * y)).  [para(8394(a,1),10918(a,1,1,1)),rewrite([112(4),16(5,R),117(14),112(11)]),flip(a)].

43405 R(x,(C * y) / z,C') = R(x,y / (z * C),C').  [para(8394(a,1),39840(a,1,2)),rewrite([39840(14)])].

43417 R(R(x,y / (C * z),C),y / (z * C),C') = x.  [back_rewrite(39802),rewrite([43405(11)])].

43641 R(C * A',A,C * x) = R(C * A',A,x).  [para(8565(a,1),882(a,1)),rewrite([38526(9),461(4),1641(7)]),flip(a)].

43700 A * (R(C * x,A,C) / (x * C)) = R(A,C,x * A).  [para(1584(a,1),40(a,1,1,2)),rewrite([37347(11),35199(8),28545(8),42646(20)])].

44325 A * R(C * A',A,x) = R(C,A,x * A).  [para(1641(a,1),2075(a,2,2)),rewrite([27613(9),31(7)]),flip(a)].

44367 A * R(x,A,C')' = R(A * x',A,C').  [para(1156(a,1),1647(a,1,2)),rewrite([1863(11),461(12,R),27662(12),32681(10),20902(8),27795(17),41796

(15)]),flip(a)].

44473 R(A' * C',A,C * x) = R(A' * C',A,x).  [para(10972(a,1),1660(a,1,1,1)),rewrite([461(5),112(10),599(9),112(20),599(19),24058(19),31739(19

),27521(17),33(15),31(11),112(14),599(13),29930(14),16(12),29928(16)])].

44514 R(x,A,x' * A) = x.  [para(34765(a,1),1667(a,2,1,1)),rewrite([1090(4),2061(2),2068(6),27519(12),35199(9),86(8),439(7),1090(4),2061(2),17

08(6),83(4),2050(3),86(5),439(4),86(5),439(4)]),flip(a)].

44534 R(x,A * (x' * A),A) = x.  [para(44514(a,1),12026(a,1,1))].

44582 R(x,A * x',A * A) = x.  [para(44534(a,1),18(a,2)),rewrite([2008(8),1090(4),2061(2),13(15),7168(16)])].

44591 R(x * A,x' * A,A) = x * A.  [para(4435(a,1),44534(a,1,2,2,1)),rewrite([1089(9),871(9),35(10)])].

44631 R(R(C,A * x,A * C),A,x * C) = C.  [para(14702(a,1),1672(a,1,1,1)),rewrite([1272(6),32850(11),27622(9)]),flip(a)].

44704 R(x,A,x' * (A * A)) = x.  [para(44591(a,1),1667(a,2,1,1)),rewrite([1102(6),2061(2),50(5),2008(8),1090(4),2061(2),1926(14),7168(16),4458

2(7),86(5),439(4),1926(6)]),flip(a)].

44714 R(A * x,A,x' * A) = A * x.  [para(2076(a,1),44704(a,1,3,1)),rewrite([2223(11),50(10),10(11)])].

44758 R(A * C,A,A * C') = A * C.  [para(16(a,2),44714(a,1,1)),rewrite([16(3),461(8)])].

44775 R(x,A * C,A * (A * C')) = x.  [para(44758(a,1),760(a,1,1,1,2)),rewrite([50(16),16(15),69(21),470(20),27519(17),35199(14),32387(6),1090(

13),435(11),461(12),35(13),461(9,R),10(9),435(6),32275(7),1089(6),871(6),35(7),86(5),439(4),44758(9)]),flip(a)].

44778 R(x,A,C')' = R(x',A,C').  [para(44775(a,1),1472(a,2,1)),rewrite([2997(10),461(5),15(9),461(6),50(8),461(7),29509(10),6085(8),29276(17),

35199(16),1926(8),33502(8),1090(15),435(13),461(14),35(15),461(11,R),27127(11),1926(6),2061(11),44367(12),4409(7),35(10),24764(10),35(6),2708

9(8)]),flip(a)].

44896 R(x,A,C)' = R(x',A,C).  [para(28537(a,1),44778(a,1,1)),rewrite([44778(9),28537(13)])].

44901 R(R(x',A,C'),x * A,C) = x'.  [para(44778(a,1),39771(a,1,1))].

44920 R(R(A,C',x)',A,C) = R(R(A,x,C)',A,C).  [back_rewrite(42384),rewrite([44896(8),44896(15)])].

44936 R(R(A,C,x)',A,C) = R(R(A,x,C')',A,C).  [back_rewrite(40641),rewrite([44896(7),44896(15)])].

44953 R(A * x,x',C) = R(A * x,A,C).  [back_rewrite(37302),rewrite([44896(11),31(8),28013(10)])].

44963 R(A * x',A,C) = R(A * x',x,C).  [back_rewrite(35397),rewrite([44896(10),28013(11)]),flip(a)].

45013 R(x',A,C * (A' * x)) = R(x',A,C).  [back_rewrite(28008),rewrite([44896(12)])].

45404 R(R(x,A,C'),x' * A,C) = x.  [para(31(a,1),44901(a,1,1,1)),rewrite([31(11)])].

45419 R(R(A,x,C) * x,x',C) = A * x.  [para(41424(a,1),45404(a,1,1)),rewrite([2076(7),83(10),307(9)])].

45473 R(A,C,x) * x = R(A * x,x',C).  [para(44953(a,2),38674(a,1)),flip(a)].

45476 R(A,C,x)' * R(A * x,x',C) = x.  [para(44953(a,2),38914(a,1,2))].

45511 A' * R(A * x,x',C) = R(x,A,C).  [back_rewrite(40368),rewrite([45473(6)])].

45877 R(A,x,C) * x = R(A * x,x',C').  [para(45419(a,1),39747(a,1,1)),flip(a)].

47155 R(C * R(C / x,x,y)',C',y) = x.  [para(23921(a,1),31512(a,1,1,2)),rewrite([16(14,R),35(14)])].

47562 (A' * R(x,y,A)) * y = A' * (x * y).  [para(1908(a,1),750(a,2)),rewrite([435(5),2805(8),38532(8),435(10),83(13),307(12)])].

47639 R(x,C,R(y * A,A,C)) = R(x,C,(C * y) * A).  [para(25415(a,1),38772(a,1,3))].

48519 R(R(C * x,A,C') / x,x,A) = C.  [para(61(a,1),27520(a,2)),rewrite([16(4,R),32275(7),16(5,R),27776(7)])].

48525 R(R(A,C,x),x,A) = R(A,C,x * A).  [para(38668(a,1),27520(a,2)),rewrite([28596(10),1090(7),435(5),86(6),439(5),38668(6)])].

48533 x / R(x,A,C) = A' * R(A,x,A * C).  [back_rewrite(41286),rewrite([48525(5),42678(8),41401(7)]),flip(a)].

48538 R(R(x * C,A,C') / x,x,A) = C.  [para(16(a,1),48519(a,1,1,1,1))].

48569 R(R(C * x,A,C') / x,x,A) = C.  [para(16(a,2),48538(a,1,1,1,1))].

48579 R(R(x * C,A,C') / x,x,A) = C.  [para(16(a,1),48569(a,1,1,1,1))].

48590 R(R(C * x,A,C') / x,x,A) = C.  [para(16(a,2),48579(a,1,1,1,1))].

48605 R(C * x,A,C') / x = R(C,A,A' * x).  [para(48590(a,1),34880(a,1,1)),flip(a)].

48832 R(x,C,R(C' * y,A,C)) = R(x,C,R(y,A,C)).  [para(28314(a,1),38772(a,1,3))].

48833 R(x,R(C' * y,A,C),C) = R(x,R(y,A,C),C).  [para(28314(a,1),39688(a,1,2))].

48837 R(A',C,R(x,A,C)) = R(A',C,x).  [back_rewrite(42000),rewrite([48832(10)])].

48902 R(x,C,(C * y) * A) = R(x,C,y * (A * C')).  [para(28326(a,1),38768(a,1,3)),rewrite([47639(7)])].

48908 R(A,C,x * (A * C')) = R(A,C,x * A).  [back_rewrite(41592),rewrite([48902(7)])].

48983 R(x,C,y * (A * (C * C))) = R(x,C,(y * C) * A).  [para(28540(a,1),38768(a,1,3))].

49000 R(A,x,A * (C * C)) = R(A,C,x * A).  [back_rewrite(39205),rewrite([48983(9),41593(7)]),flip(a)].

49001 R(A,C,(x * C') * A) = R(A,C,x * A).  [back_rewrite(35998),rewrite([49000(10)])].

49002 R(A,C,(C' * x) * A) = R(A,C,x * A).  [back_rewrite(35997),rewrite([49000(10)])].

49003 A * (x / R(x,A,C')) = R(A,C,x * A).  [back_rewrite(29316),rewrite([49001(8)]),flip(a)].

49027 ((C * A') * x) / R(C * x,A,C) = R(A',x,C).  [para(28543(a,1),41305(a,1,2)),rewrite([37253(8),39692(19),142(17),31(17)])].

49102 R(C' / x,x,A)' / R(x,A,C) = C.  [para(28574(a,1),28651(a,1,1))].

49258 (x * A) / (y * A) = A * ((A' * x) / y).  [para(29263(a,1),18(a,2)),rewrite([7(2)])].

49259 A * R(C * A',C',x) = R(C,x,A).  [para(61(a,1),29263(a,1,1)),rewrite([29935(10)]),flip(a)].

49262 R(x / y,y,A) * A = x / (A' * y).  [para(29263(a,2),50(a,1,1)),rewrite([38407(12),35(14)])].

49264 A * R(A' * x',x,y) = R(x,y,A)'.  [para(80(a,2),29263(a,2,2)),rewrite([33(2),143(4),4347(7)]),flip(a)].

49268 R(C',x,A)' = R(C,x,A).  [para(508(a,1),29263(a,1,1)),rewrite([644(6),884(13),49259(14)])].

49269 R(C,x,A)' = R(C',x,A).  [para(471(a,1),29263(a,1,1)),rewrite([38575(12),49264(13)]),flip(a)].

49273 A * R(C * A',x,C) = R(C,C * x,A).  [para(1242(a,1),29263(a,1,1)),rewrite([37972(13),102(16)]),flip(a)].

49293 A * (R(x,A,C) / x) = R(A,C,x * A).  [para(38668(a,1),29263(a,1,1)),rewrite([48525(5),31257(14),10(11)]),flip(a)].

49316 R(C,C * x,A) = R(C,x,A).  [para(143(a,1),49268(a,1,1)),rewrite([49269(4),49268(5)]),flip(a)].

49363 x / R(C' * x,A,C') = R(C,A',A * x).  [para(49268(a,1),1424(a,2)),rewrite([435(4),2153(8),32030(8),435(11),2805(14)])].

49386 A * R(C * A',x,C) = R(C,x,A).  [back_rewrite(49273),rewrite([49316(13)])].

49396 R(C,A',A * x)' = R(C',A',A * x).  [para(2805(a,1),49269(a,1,1)),rewrite([2805(14)])].

49403 R(C,R(C * x,A,C),A) = R(C,R(x,A,C),A).  [para(28523(a,1),49316(a,1,2))].

49404 R(R(C,x,A),A,A' * (C * x)) = C.  [para(49316(a,1),34880(a,1,1))].

49441 A' * R(C,x,A) = R(C * A',x,C).  [para(49386(a,1),10(a,1,2))].

49559 (x * C) / R(A * x,A,C') = C * A'.  [para(29315(a,1),10(a,1,2)),rewrite([16(4,R)]),flip(a)].

50037 R(C',A,x * A)' = R(C,A,x * A).  [para(2118(a,1),1174(a,1,1,1)),rewrite([1090(11),435(9),32275(10),1089(9),871(9),35298(9),28543(10),285

38(8),435(13),32275(14),1089(13),871(13),35(14),27519(11),1090(9),435(7),86(8),439(7),29935(5),16(3),27625(9),32255(17),32275(16),1089(15),87

1(15),35(16)])].

50038 R(C,A * C,x * A) = R(C,A,x * A).  [back_rewrite(33627),rewrite([50037(14)])].

50039 R(A * C,C',x) * A' = R(C,A,x * A).  [back_rewrite(27625),rewrite([50037(16)])].

50159 R(C * A',C',x * A) = R(C * A',x,A).  [para(2138(a,1),18(a,1,1)),rewrite([29933(10)])].

50160 A' * R(x,A,C') = R(A' * x,A,C').  [para(2138(a,1),3212(a,1)),rewrite([461(12,R),10(12),2153(11),32030(11),27745(11),35(7),83(21),307(20

),16(17,R),9(17),3(15),1102(15),107(12),461(13),24777(15)])].

50197 R(R(A * C,C',x),x,A) = A * C.  [para(29933(a,1),3914(a,1,1)),rewrite([16(3),6(12)])].

50200 R(A * C,C',A * x) = R(A * C,A,x).  [para(29933(a,1),1639(a,1)),rewrite([16(3),9(14),3(12)])].

50204 A * R(C,x,A') = R(A * C,C',x).  [para(50197(a,1),34880(a,1,1)),rewrite([37155(8)])].

50206 R(R(A * C,x,C),x,A) = A * C.  [para(39546(a,1),50197(a,1,1))].

50216 R(A * C,A * x,C) = R(A * C,A,x).  [para(50206(a,1),34740(a,1,1)),flip(a)].

50221 x' * ((C * (x * y)) * x') = y / (x * C').  [para(1091(a,1),29935(a,1,1)),rewrite([16(4,R),1750(6),27521(13)])].

50272 R(x * A',A,y)' = A * R(x,y,A')'.  [para(2183(a,1),6(a,1,1)),rewrite([1647(4)])].

50273 R(x,y,A') * A' = R(x * A',A,y).  [para(2183(a,1),33(a,1,2)),rewrite([882(4),2076(12),31(10)]),flip(a)].

50286 (A * x) / (y * x) = A * R(y,x,A')'.  [back_rewrite(1647),rewrite([50272(10)])].

50414 R(A,C,(C * A') * x) = R(A',C,x)'.  [para(2206(a,1),38668(a,1,1,1)),rewrite([27776(7),39746(9),16(6,R),24474(8),10(7),16(11,R)]),flip(a)

].

50438 R(A',R(x,A,C),C) = R(A',x,C).  [para(31257(a,1),101(a,1,1,2)),rewrite([28523(8),37253(8),16(10,R),28523(10),49027(11)]),flip(a)].

50453 R(R(A',x,C),R(x,A,C),C') = A'.  [para(50438(a,1),39747(a,1,1))].

50479 (x / (C * y)) * y = y' * (C' * (y * x)).  [para(31516(a,1),79(a,1,1)),rewrite([2226(5),461(14,R),10(14)]),flip(a)].

50511 R(x,A,A' * (y * A')) = R(x,y,A').  [para(35(a,1),32255(a,1,2)),rewrite([1841(10)]),flip(a)].

50518 R(R(x,A',A * y),y,A') = x.  [back_rewrite(38171),rewrite([50511(13)])].

50520 R(R(x,A',y),A' * y,A') = x.  [para(35(a,1),50518(a,1,1,3))].

50527 R(x,A,y) * A = R(x * A,y,A').  [para(889(a,1),50518(a,1,1)),rewrite([10(8),6(4),871(10)]),flip(a)].

50534 R(x' * A,x,A') = x' * A.  [para(1848(a,1),50518(a,1,1)),rewrite([10(5),2076(8),143(10),5310(7),871(4),10(11),871(10)])].

50539 R(x * A,x',A') = x * A.  [para(31(a,1),50534(a,1,1,1)),rewrite([31(8)])].

50568 R(x * A,A',A * x') = x * A.  [para(50539(a,1),38167(a,1,1))].

50750 ((x * A) * y) * x' = x * (A * (y / x)).  [para(50568(a,1),1123(a,1,1)),rewrite([50568(10),86(10),439(9),38387(10),435(6),2223(11),2746(

11),1102(12),2061(2),1102(11),435(4),5100(10),50568(12),10(13)]),flip(a)].

50825 ((x * C) * y) / (R(x,C',y) * y) = C.  [para(32660(a,1),6(a,1,1))].

50840 x * (R(x,y,C)' * x) = R(x,y,C').  [para(2249(a,1),1460(a,1,2,2)),rewrite([10(8),10(13),38366(9),922(6),39840(14),143(12),39840(10),31(1

0)])].

50964 R(C,A * x,A * C) = R(C,A * x,A).  [para(33795(a,1),18(a,1,1)),rewrite([50(10),27519(11),1090(9),435(7),32275(8),16(6,R),27776(8),24764(

8),27770(8),38546(5),27622(8)])].

50971 R(R(C,A * x,A),A,x * C) = C.  [back_rewrite(44631),rewrite([50964(7)])].

50972 R(A * C,C,x) * A' = R(C,A * x,A).  [back_rewrite(27622),rewrite([50964(15)])].

50976 R(R(C,x,A),A,C * (A' * x)) = C.  [para(35(a,1),50971(a,1,1,2)),rewrite([16(9,R)])].

50981 R(C,A * (x * C),A) = R(C,A * x,A).  [para(50971(a,1),12026(a,1,1))].

51034 R(C,R(x,A,C),A) = R(C,x,A).  [para(50976(a,1),12026(a,1,1)),rewrite([28543(8),49403(8)])].

51037 R(R(C,A',A * x),x * C,A') = C.  [para(1043(a,1),50976(a,1,3)),rewrite([24707(5),28596(7),51034(9),2805(6),50511(16)])].

51041 (x * (A * C)) / R(x * A,A,C) = R(C,x,A).  [para(51034(a,1),18(a,2)),rewrite([28523(5),50527(7),24707(8),27599(7),50527(9),24707(10)])].

51048 R(C,R(x,A,C'),A) = R(C,x,A).  [para(32626(a,1),51034(a,1,2)),rewrite([27089(4),28544(12),51034(13)])].

51051 R(C,x * (A * C),A) = R(C,x * A,A).  [para(28015(a,1),51034(a,1,2)),rewrite([49316(7)]),flip(a)].

51199 R(x * A,x,x * A) = x * A.  [para(23622(a,1),34498(a,1,2,2)),rewrite([23629(7),23649(8),23626(10),23622(9)])].

51209 R(x,A,x * (x * A)) = x.  [para(51199(a,1),1667(a,2,1,1)),rewrite([23577(3),13(6),6(12),86(5),439(4)]),flip(a)].

51228 R(x,A * (x * (x * A)),A) = x.  [para(51209(a,1),12026(a,1,1))].

51658 A * R(C',x,A') = R(A * C',C,x).  [para(461(a,1),37000(a,1,1,2)),rewrite([38575(6)]),flip(a)].

51662 R(C,A,x)' = R(C',A,x).  [para(9182(a,1),37000(a,1,1,2)),rewrite([649(7),32259(17),44473(17),37353(16),35(11)])].

51669 A * R(C * A',x,A') = R(C,A,A' * x).  [para(2206(a,1),37000(a,1,1)),rewrite([27776(7),48605(7),16(11,R)]),flip(a)].

51675 R(A * C',C,x) * A' = R(C',A,x * A).  [back_rewrite(27613),rewrite([51662(15)])].

51676 R(C',A,x) * R(C,A,x) = 0.  [para(51662(a,1),8(a,1,1))].

51677 R(C,A,x) * R(C',A,x) = 0.  [para(51662(a,1),9(a,1,2))].

51679 R(C',A,x)' = R(C,A,x).  [para(51662(a,1),31(a,1,1))].

51764 x / R(C' * x,A,C) = R(C,A,A' * x).  [back_rewrite(25645),rewrite([51679(15)])].

51846 R(R(C,A,x),R(C',A,x),y) = R(C,A,x).  [para(51676(a,1),1786(a,1,1,2)),rewrite([3(5),51662(7),51677(16),2(10),51662(12),33(14),51679(13)]

)].

51860 R(C,A,x) * ((A * C') * x) = A * x.  [para(51677(a,1),791(a,2,1)),rewrite([51846(10),461(7),2(13)])].

52081 (x * A) * R(x,A,C) = x * R(A * x,A,C).  [para(28545(a,1),2528(a,2,2,2)),rewrite([86(10),439(9),3563(7),39236(8),28314(16),10(13)]),flip

(a)].

52085 C * (x * (x * A)) = x * ((x * C) * A).  [para(2384(a,2),2528(a,1,2)),rewrite([10(10),1255(12),41666(14)])].

52139 ((A * x) / y) / R(x / y,y,A') = A.  [para(37169(a,1),6(a,1,1))].

52193 R(C',x,A * C)' = R(C,x,A).  [para(31432(a,1),2560(a,1,1,2)),rewrite([16(3),507(14),25415(11),51041(10),507(11)]),flip(a)].

52196 R(C,A,R(x,A,C')) = R(C,A,x * C).  [para(2560(a,1),37169(a,2)),rewrite([16(8),20902(10),49559(10),16(10),20902(12),51669(15),50160(11),1

0(7),51679(14)])].

52202 R(C,x,A * C) = R(C,x,A).  [para(143(a,1),52193(a,1,1)),rewrite([31(7),49316(10)])].

52204 R(C,x * (A' * C'),A) = R(C,A',A * x).  [para(52193(a,1),1424(a,2)),rewrite([22446(6),1103(13),27783(10),50527(11),83(7),307(6),28038(7)

,28958(7),49363(8),22446(11)]),flip(a)].

52209 R(R(C,x,A),x * A,C) = R(C,x,A).  [back_rewrite(28707),rewrite([52202(15),51034(13)])].

52214 R(R(C,A',A * x),x,C) = R(C,A',A * x).  [para(7(a,1),52209(a,1,2)),rewrite([435(3),2805(6),435(11),2805(14)])].

52317 (R(x,C,y) * y) / ((C' * x) * y) = C.  [para(38579(a,2),6(a,1,1))].

52336 R(A',C,x) * R(x,A,C) = A' * x.  [para(48837(a,1),38579(a,1,1)),rewrite([461(14),24777(19),31257(14),39747(18)])].

52438 R(C / (x * A'),x,C) = A * (C / x).  [para(38878(a,1),39627(a,1,1)),rewrite([42775(15)])].

52531 A * (R(A',x,C) * x) = R(x,A,C).  [para(39748(a,2),28543(a,1,2)),rewrite([507(12)])].

52532 (R(x,y,C)' * (x * y)) / x = R(y / x,x,C).  [para(39748(a,2),2238(a,1,1)),rewrite([143(4),507(10),39683(12)])].

52635 R(A * C,C,x) * R(C * A',A,x) = C * C.  [para(2627(a,1),35551(a,1,2)),rewrite([1593(9),1255(7),1245(8),16(3),43641(13)])].

52750 R(R(x,y * x,C),y * (C * x),C') = x.  [para(4905(a,1),39895(a,2)),rewrite([4919(8),39692(7),143(5),31(5)])].

52801 R(R(x * C,C,y) / x,x,y * C) = C.  [para(61(a,1),2650(a,2)),rewrite([16(5,R),39499(8)])].

52992 (A * (x / (y * C))) * ((C * y) / x) = A.  [para(8551(a,1),2706(a,1,1,1)),rewrite([31(3),35(14)])].

53034 R(A,x,A * C) / (x / R(x,A,C)) = A.  [para(41687(a,1),6(a,1,1))].

53035 (x / R(x,A,C)) / R(A,x,A * C) = A'.  [para(41687(a,1),33(a,1,2))].

53061 (A * (x / y)) * y = y' * ((y * A) * x).  [para(2744(a,1),10(a,1,2)),rewrite([31(3),35(10)]),flip(a)].

53084 R(A',x,C')' * A' = A * R(A',x,C).  [para(142(a,1),41933(a,2,2,1)),rewrite([38672(6),31(16)])].

53203 R(C,A * C,x * C') = R(C,A,R(x,A,C)).  [para(2384(a,2),2838(a,1,1,2,1)),rewrite([461(9),35(11),507(7),64(11),16(7),2836(11),461(9),27652

(11),36897(10),64(14),16(10)]),flip(a)].

53205 R(x,A,C) / x = A' * R(A,C,x * A).  [para(42233(a,1),830(a,2,1)),rewrite([871(8),42955(7),38532(11),48525(7)]),flip(a)].

53743 R(A * x',A,C) * x = R(A,x',C' * x).  [para(44963(a,2),39780(a,1,1)),rewrite([3372(16)])].

54034 R(R(A,x,C),x,C' * x') = A.  [para(45877(a,1),617(a,1,2,1)),rewrite([788(12),86(7),2028(6),461(5),507(6)]),flip(a)].

54485 R(C,R(x,A,C),A * C') = R(C,x,A).  [para(49102(a,1),1566(a,1,1)),rewrite([7(8),461(8),7(18),461(18),28576(19),654(17),49268(14)])].

54584 R(x,y,A) * A = R(x * A,A',y).  [para(6(a,1),49262(a,1,1,1)),rewrite([897(9)])].

54870 R(C,A * C,x) = R(C,A,x).  [para(7(a,1),50038(a,1,3)),rewrite([435(9),83(12),307(11)])].

54872 R(C,A,R(x,A,C)) = R(C,A,x * C').  [back_rewrite(53203),rewrite([54870(8)]),flip(a)].

54891 R(A * C,C',x) / R(C,x,A') = A.  [para(50204(a,1),6(a,1,1))].

54892 A' * R(A * C,C',x) = R(C,x,A').  [para(50204(a,1),10(a,1,2))].

55377 R(x,y,C)' * x = x' * R(x,y,C').  [para(50840(a,1),10(a,1,2)),flip(a)].

55412 R(C,A',x * C) = R(C,A',x).  [para(1887(a,1),50981(a,1,2,2)),rewrite([16(11,R),35(14),38114(11),35(8),35(18),38114(15),9(13),2(11)])].

55419 R(C,A',C' * x) = R(C,A',x).  [para(7(a,1),55412(a,1,3)),rewrite([107(9)]),flip(a)].

55421 R(C,A',C * x) = R(C,A',x).  [para(16(a,2),55412(a,1,3))].

55469 R(R(C,x,A),R(x * A,A,C),A') = C.  [para(482(a,2),51037(a,1,1,3)),rewrite([55419(11),38098(8),16(10,R),28326(10)])].

55471 R(R(C,x,A),C * (x * A),A') = C.  [para(38098(a,1),51037(a,1,1)),rewrite([16(7,R)])].

55493 R(C,x * (A * C'),A) = R(C,x * A,A).  [para(481(a,1),51051(a,1,2)),rewrite([64(9),142(8),49268(7),481(14),461(12),142(16),49268(15)]),fl

ip(a)].

55697 (x * (A * x')) * (C * x) = (x * C) * A.  [para(52085(a,1),2198(a,2,2)),rewrite([31440(3),10(14)])].

55732 R(C,A,C * (C * x)) = R(C,A,x * C').  [para(28537(a,1),52196(a,1,3)),rewrite([54872(6),16(14,R),27745(14),52196(15),16(12,R)]),flip(a)].

55921 R(R(x * C,C,y) / x,x,y) = C.  [para(7(a,1),52801(a,1,3)),rewrite([107(5),38772(7)])].

55949 R(R(x * C,A,C) / x,x,A * A) = C.  [para(28522(a,1),55921(a,1,1,1))].

55951 R(x * C,A,C) / x = R(C,A',A * x).  [para(55921(a,1),38167(a,1,1)),rewrite([24707(12)]),flip(a)].

55956 R(R(C,A',A * x),x,A * A) = C.  [back_rewrite(55949),rewrite([55951(6)])].

56119 A * (A * R(A',x,C)) = R(A,C,x * (A * A)).  [para(41962(a,2),3872(a,1,1,2,2,1)),rewrite([28475(12),1092(9),871(7),1926(8),28013(13),35(1

0),28013(9),38668(14)]),flip(a)].

56217 R(A * x,y * A,A) = A * R(x,y,A).  [para(2104(a,1),3913(a,2,1)),rewrite([2223(14),15(13),10(10),10(11),49258(7),38446(7),35(8),31(12)]),

flip(a)].

56380 R(C,x,A * C') = R(C,x,A).  [para(34740(a,1),54485(a,1,2)),rewrite([27681(12),51048(13)])].

56381 R(C,A',A * (C' * x)) = R(C,A',A * x).  [para(1634(a,1),54485(a,1,2)),rewrite([22446(5),56380(12),52204(9),107(9),2805(15)]),flip(a)].

56602 R(A * C,x,C) / R(C,x,A') = A.  [para(39546(a,1),54891(a,1,1))].

56605 R(C,x,A') / R(A * C,x,C) = A'.  [para(56602(a,1),112(a,1,1)),flip(a)].

57084 R(x,A,C') / (C * x) = R(C',A',A * x).  [para(4425(a,1),1442(a,1,2,2)),rewrite([27783(8),50527(9),83(5),307(4),28038(5),16(13),9097(14),

27783(16),51048(17),2805(13),49396(14)])].

57132 A * R(C * A',x,A) = R(C,x * A,A).  [para(123(a,1),56217(a,1,1)),flip(a)].

57250 A' * R(A * C,x,C) = R(C,x,A').  [para(56605(a,1),7(a,1,1))].

57688 R(R(x,A,C) / x,x,A) = A * R(A',x,C).  [para(45473(a,1),16909(a,1,1,1)),rewrite([35(5),2027(4),142(5),44896(5),31(2),38672(12),53084(15)

])].

57821 R(x,(A * C) * y,C) = R(x,A * (y * C'),C).  [para(20902(a,1),39688(a,1,2)),rewrite([40034(8)]),flip(a)].

57822 R(C * R(A,x,C),A,C') = C * R(A,C',x).  [para(3613(a,2),20902(a,1,2)),rewrite([25908(8),39813(9),1255(7),42326(10),42681(15),16(14,R),35

(16)]),flip(a)].

57871 (x * (C' * y))' * ((x * (y * C')) * z) = z.  [para(2898(a,1),22115(a,1,2,1,2)),rewrite([16(8,R),35(8),35(13)])].

58196 (x * R(y * C,z,u)) / R(C * y,z,u) = x.  [para(24981(a,1),88(a,1,1,2)),rewrite([31(5),3(6),31(13),24981(19),78(13)])].

58210 (x / R(C * y,z,u)) * R(y * C,z,u) = x.  [para(24982(a,1),2341(a,1,1,1,3)),rewrite([78(5),10(17),24982(16),3(10)])].

58542 R(R(A,C,x),x,A') = R(A,C,x * A').  [para(38668(a,1),27524(a,2)),rewrite([50527(10),2153(7),12(6),10(7),24707(6),38668(6)])].

58807 R(C',A',A * R(A,C',x)) = C'.  [para(41710(a,1),33881(a,1,2,1)),rewrite([57822(17),57084(15)])].

58808 R(C,A',A * R(A,C',x)) = C.  [para(58807(a,1),139(a,2,1)),rewrite([10(9),461(9),1092(16),871(11),461(10),32030(16),49363(16),31(13)])].

58818 R(C,A * R(A,C,x)',A) = C.  [para(58808(a,1),2805(a,2)),rewrite([43050(8)])].

58823 R(C,R(A,C',x),A') = C.  [para(58808(a,1),50518(a,1,1))].

58831 R(C,R(A,x,C),A') = C.  [para(41402(a,1),58823(a,1,2))].

58841 (A * C) * R(A,x,C) = A * (C * R(A,x,C)).  [para(58831(a,1),2168(a,1,1,2))].

58842 R(A * C,R(A,x,C),A) = A * C.  [para(58831(a,1),37167(a,1,1,2))].

58854 R(C,A * R(A,x,C')',A) = C.  [para(38627(a,1),58818(a,1,2,2,1))].

58859 R(A * C,C,R(A,C,x)') = A * C.  [para(58818(a,1),54584(a,1,1)),rewrite([16(3),16(6),38560(15)]),flip(a)].

58963 R(A,C,R(A,x,C) * A) = A.  [para(58842(a,1),1612(a,2,1,2)),rewrite([58841(7),50(9),29276(17),32275(16),16(11,R),27776(16),57822(15),4174

6(13),3(3),64(7)]),flip(a)].

58972 R(A,C',R(A,x,C) * A) = A.  [para(58963(a,1),39878(a,1,1)),rewrite([40310(9),58963(8)]),flip(a)].

58995 A * R(A,C,R(A,x,C))' = 0.  [para(58972(a,1),1667(a,2,1,1)),rewrite([15(10),29276(21),1090(20),435(18),32275(19),24710(19),28013(18),280

22(18),1460(16),40305(8),9(13),76(20)])].

59012 R(A,C,R(A,x,C)) = A.  [para(58995(a,1),6(a,1,1)),rewrite([29(9),31(8)])].

59028 R(R(A,x,C),A,C) = R(A,x,C).  [para(59012(a,1),45476(a,1,1,1)),rewrite([45511(14)])].

59030 R(C,A,R(A,x,C)) = C.  [para(59012(a,1),52317(a,1,1,1)),rewrite([461(9),654(14),51679(8)])].

59047 R(C,A * R(A,x,C),A) = C.  [para(59030(a,1),12026(a,1,1))].

59050 R(C,A,R(A,C',x)) = C.  [para(41402(a,2),59030(a,1,3))].

59082 R(A * C,R(A,C',x),A') = A * C.  [para(59050(a,1),50527(a,1,1)),rewrite([16(3),16(6)]),flip(a)].

59114 R(C,A,C * R(A,x,C)) = C.  [para(59047(a,1),50971(a,1,1)),rewrite([16(7,R)])].

59134 C * (A * R(A,x,C)) = A * (C * R(A,x,C)).  [para(59114(a,1),751(a,1,1,1)),rewrite([16(5),25908(11),10(12)])].

59141 R(C,A,A' * R(A,x,C)) = C.  [para(59028(a,1),28689(a,1,1)),rewrite([51764(13)])].

59143 R(R(A,x,C)',A,C) = R(A,x,C)'.  [para(59028(a,1),44896(a,1,1)),flip(a)].

59145 (A * C) / R(A,x,C) = A * (C / R(A,x,C)).  [para(59028(a,1),1800(a,1,1,1)),rewrite([16(11,R),59028(17),50221(17),461(7,R),2061(8),141(8)

,59028(16)]),flip(a)].

59146 R(A',C',R(A,x,C)) = A'.  [para(59028(a,1),33703(a,1,2)),rewrite([41537(13)])].

59148 R(A',C,R(A,x,C)) = A'.  [para(59028(a,1),50453(a,1,2)),rewrite([42701(7),59146(8),42702(8)])].

59149 R(R(A,C',x)',A,C) = R(A,x,C)'.  [back_rewrite(44920),rewrite([59143(15)])].

59152 R(A',R(A,x,C),C') = A'.  [back_rewrite(42702),rewrite([59148(15)])].

59207 R(C,R(A,x,C),A) = C.  [para(59141(a,1),12026(a,1,1)),rewrite([35(9)])].

59220 R(C,A,A' * (C * R(A,x,C))) = C.  [para(59207(a,1),49404(a,1,1))].

59320 R(C,A',R(A,x,C)) = C.  [para(59146(a,1),50825(a,1,2,1)),rewrite([16(4,R),897(15),83(6),307(5)])].

59324 R(C,A' * R(A,x,C),A') = C.  [para(59320(a,1),50520(a,1,1))].

59396 R(A,C,x * A) = R(A,x,A * C').  [para(461(a,1),5442(a,1,3,2,2)),rewrite([31(4),38772(11),48908(8),461(10)])].

59611 R(C,A,A' * R(A,C,x)') = C.  [para(59324(a,1),18(a,2)),rewrite([41778(11),42680(9),27764(11),1841(19),42680(18),10(19),48605(15)])].

59680 R(C,A,A' * R(A',C,x)) = C.  [para(125(a,1),59611(a,1,3,2,1)),rewrite([559(9),435(9),461(10),24777(12),41991(12),31(10)])].

59684 R(R(A,C,x)',A,C) = R(A,C,x)'.  [para(59611(a,1),51860(a,1,1)),rewrite([1102(13),435(6),461(7),24710(13),28523(12),35(9),35(16)])].

59686 R(R(A,x,C')',A,C) = R(A,C,x)'.  [back_rewrite(44936),rewrite([59684(7)]),flip(a)].

59690 R(C,R(A',C,x),A) = C.  [para(59680(a,1),12026(a,1,1)),rewrite([35(10)])].

59767 R(A,R(A,C,x)',C) = R(A,C,R(A,C,x)').  [para(58859(a,1),1612(a,2,1,2)),rewrite([16(5,R),1255(5),1272(10),102(19),39692(9),64(13),38768(1

6)])].

59904 R(A,C,R(A,x,C)') = A.  [para(59143(a,1),28332(a,1,2)),rewrite([38668(14)])].

59910 R(A,R(A,x,C)',C) = A.  [para(59143(a,1),41346(a,1,2)),rewrite([59904(7)])].

59911 R(A,C,R(A,C',x)') = A.  [para(59143(a,1),41303(a,1,2)),rewrite([59910(7),41534(8)])].

59926 R(A,C,R(A',x,C)) = A.  [para(142(a,1),59904(a,1,3,1)),rewrite([31(8)])].

59938 R(A,R(A,C',x)',C) = A.  [para(41402(a,2),59910(a,1,2,1))].

59955 R(C,A,R(A',x,C)) = C.  [para(59926(a,1),52317(a,1,1,1)),rewrite([461(10),654(16),51679(9)])].

59973 R(C,A * R(A',x,C),A) = C.  [para(59955(a,1),12026(a,1,1))].

59984 R(A',C,R(A,C,x))' = A.  [para(59911(a,1),48525(a,1,1)),rewrite([192(8),42955(10),38672(10),42648(9)]),flip(a)].

60025 R(A',C,R(A,C,x)) = A'.  [para(59984(a,1),31(a,1,1)),flip(a)].

60031 R(A',R(A,C,x),C') = A'.  [back_rewrite(42648),rewrite([60025(15)])].

60035 R(A',C',R(A,C,x)) = A'.  [para(60025(a,1),39878(a,1,1)),rewrite([60031(8)]),flip(a)].

60038 R(A',R(A,C,x),C) = A'.  [back_rewrite(42647),rewrite([60035(15)])].

60046 R(R(A,C,x),A,C) = R(A,C,x).  [para(60038(a,1),52531(a,1,2,1)),rewrite([35(8)]),flip(a)].

60164 R(R(A',C,x)',A,C) = R(A',C,x)'.  [para(125(a,1),60046(a,1,1)),rewrite([559(5),435(5),461(6),24777(8),41991(8),559(14),435(14),461(15),4

1993(17)])].

60173 R(A,C',R(A,C,x)) = A.  [para(60046(a,1),41307(a,1,2)),rewrite([6(9),42649(7)]),flip(a)].

60174 R(A,C,R(A,C,x)) = A.  [para(60046(a,1),41405(a,1,2)),rewrite([42649(6),60173(7),38739(8)])].

60178 (A * C) / R(A,C,x) = A * (C / R(A,C,x)).  [para(60046(a,1),1800(a,1,1,1)),rewrite([16(11,R),60046(17),50221(17),461(7,R),2061(8),141(8)

,60046(16)]),flip(a)].

60197 R(C,A,R(A,C,x)) = C.  [para(60174(a,1),52317(a,1,1,1)),rewrite([461(9),654(14),51679(8)])].

60213 R(C,A,R(A,x,C')) = C.  [para(38627(a,1),60197(a,1,3))].

61008 R(R(A,x,A * C'),x * A,C) = A.  [para(59396(a,1),948(a,2,1)),rewrite([15(7),27491(8),6(15),39692(13)]),flip(a)].

61019 R(A,R(A,C,x)',A * C') = A.  [para(42678(a,1),59396(a,1,3)),rewrite([38672(9),59152(8),31(3)]),flip(a)].

61094 R(A,R(A',C,x),A * C') = A.  [para(125(a,1),61019(a,1,2,1)),rewrite([559(6),435(6),461(7),24777(9),41991(9),31(7)])].

61107 R(A,C,R(A',C,x) * A) = A.  [para(61094(a,1),18(a,2)),rewrite([484(11),461(8,R),29276(21),35199(20),461(19),2237(20),461(19,R),27110(20)

,49003(21),49002(12)])].

61113 A * R(A,R(A',C,x),C)' = 0.  [para(61107(a,1),1667(a,2,1,1)),rewrite([15(10),29276(21),1090(20),435(18),32275(19),16(13,R),27776(19),247

64(19),27770(19),922(16),9(14),76(21)])].

61133 R(A,R(A',C,x),C) = A.  [para(61113(a,1),6(a,1,1)),rewrite([29(10),31(9)])].

61137 R(A,C,R(A,C,x)') = A.  [para(125(a,1),61133(a,1,2)),rewrite([16(6,R),2075(7),27652(8),38913(7),59767(7)])].

61143 R(A,R(A,C,x)',C) = A.  [back_rewrite(59767),rewrite([61137(14)])].

61144 R(A,C,R(A,x,C')') = A.  [back_rewrite(40318),rewrite([61137(7)]),flip(a)].

61146 R(A,R(A,C,x)',C') = A.  [back_rewrite(39193),rewrite([61144(16)])].

61151 R(A,C,R(A',x,C')) = A.  [para(38672(a,1),61137(a,1,3,1)),rewrite([31(9)])].

61160 R(A,R(A,x,C')',C) = A.  [para(38627(a,1),61143(a,1,2,1))].

61176 R(A * A,C',R(A,C,x)') = A * A.  [para(61146(a,1),768(a,1,1,1)),rewrite([461(10,R),461(18,R),5533(19),61146(18),61146(19)])].

61182 R(R(A',x,C'),A,C) = R(A',x,C').  [para(61151(a,1),38914(a,1,1,1)),rewrite([31257(13),10(10)])].

61380 R(C,A',A * R(A,C,x)') = C.  [para(59684(a,1),28651(a,1,2)),rewrite([38163(14)])].

61416 R(C,R(A,C,x)',A * A) = C.  [para(61380(a,1),55956(a,1,1))].

61426 R(C,R(A',C,x),A * A) = C.  [para(125(a,1),61416(a,1,2,1)),rewrite([559(6),435(6),461(7),24777(9),41991(9),31(7)])].

61443 R(C,R(A',C,x) * A,A) = C.  [para(61426(a,1),26516(a,2)),rewrite([59690(7)])].

63777 R(A,C,A * R(A,C,x)') = A.  [para(59082(a,1),1612(a,2,1,2)),rewrite([3904(11),43050(9),43050(18),6(19),64(7),43050(10)]),flip(a)].

63780 R(A,C,A * R(A,x,C')') = A.  [para(38627(a,1),63777(a,1,3,2,1))].

63819 R(A * C,A,R(A,x,C')') = A * C.  [para(63780(a,1),31512(a,1,1,2)),rewrite([16(3),50200(13)])].

64600 R(C,A * A,R(A,C,x)') = C.  [para(61176(a,1),50825(a,1,2,1)),rewrite([16(5,R),67(5),69(10),12(18),256(19)])].

64602 R(C,A * A,R(A,x,C')') = C.  [para(38627(a,1),64600(a,1,3,1))].

65186 R(C,A,A * R(A,x,C')') = C.  [para(63819(a,1),1667(a,2,1,1)),rewrite([50(5),16(4),69(11),256(21),64602(10),1090(7),435(5),123(7)]),flip(

a)].

65189 R(C,A,A * R(A,C,x)') = C.  [para(38627(a,2),65186(a,1,3,2,1))].

65193 R(C,A * (A * R(A,C,x)'),A) = C.  [para(65189(a,1),12026(a,1,1))].

65212 R(C,A,(C * R(A,x,C)) * A') = C.  [para(65193(a,1),55471(a,1,1)),rewrite([50(12),50(11),42678(10),35(11),59134(8),32255(11)])].

65998 R((x * C) / R(x,A,C),R(x,A,C),A) = C.  [para(16(a,1),36225(a,1,1,1))].

66036 R(A * A,C',x) = R(A * A,x,C).  [para(37026(a,1),5532(a,1,1,2)),rewrite([461(13,R),1245(13),34985(9),31757(15)]),flip(a)].

66038 R(A * (A * x),A,C) / x = R(A * A,x,C).  [para(66036(a,1),88(a,2)),rewrite([461(6,R),1092(9),599(8),67(7),69(8),27662(9),39692(15)])].

66079 R(A * x,A,y * A) = A * R(x,A,y).  [para(7(a,1),37353(a,1,2,3)),rewrite([871(10)]),flip(a)].

66080 A' * R(A * x,A,y) = R(x,A,y * A').  [para(37353(a,1),10(a,1,2))].

66291 A * R(A' * x,A,y) = R(x,A,y * A).  [para(35(a,1),66079(a,1,1)),flip(a)].

66461 R(x,A,C) / (C' * x) = R(C,A',A * x).  [para(10942(a,1),319(a,1,1,1)),rewrite([50527(8),83(5),307(4),24707(4),307(10),2805(16),56381(16)

])].

66719 x * (((C * x') / y) * x) = C / (x' * y).  [para(123(a,1),38366(a,1,1)),flip(a)].

66727 (C' * (x * y)) * x' = x * (y / (C * x)).  [para(16(a,2),38380(a,2,2,2)),rewrite([107(3)])].

66730 (C * (x * y)) * x' = x * (y / (C' * x)).  [para(461(a,2),38380(a,2,2,2)),rewrite([599(4)])].

66751 x / R(A' * R(x,y,A),y,A') = A.  [para(38446(a,1),52139(a,1,2,1)),rewrite([35(6),6(2)])].

66838 x / R(A' * x,A,x * x) = A.  [para(51228(a,1),66751(a,1,2,1,2)),rewrite([32255(11),335(10),439(9)])].

66883 R(A' * x,A,x * x) / x = A'.  [para(66838(a,1),112(a,1,1)),flip(a)].

66891 R(A' * x,A,x * x) = A' * x.  [para(66883(a,1),7(a,1,1)),flip(a)].

66893 R((A' * R(x,y,A)) / x,x,y) = A'.  [para(66883(a,1),825(a,2)),rewrite([66891(9),38446(5)])].

67050 R(A',C,R(A',C,x) * A) = A'.  [para(61443(a,1),66893(a,1,1,1,2)),rewrite([16(4,R),107(6),10(7)])].

67313 R(A',C,A' * R(A,x,C)) = A'.  [para(125(a,1),67050(a,1,3,1)),rewrite([16(8,R),2075(9),27652(10),38913(9),42678(9)])].

67451 R(A',C,A' * R(A,x,A * C)) = A'.  [para(41401(a,1),67313(a,1,3,2))].

70015 R(R(A',C,x),x,A) = R(A',C,x * A).  [para(41974(a,1),27520(a,2)),rewrite([32384(12),32275(8),12(7),35(8),41974(8)])].

70020 A * (R(A',C,x) * x) = R(x,A,C').  [para(41976(a,2),2168(a,2,2)),rewrite([2168(10),24764(16),35(12)])].

70239 R(A',x * y,C') = R(A',C,x * y).  [para(332(a,1),43036(a,1,2)),rewrite([332(13)])].

70538 R(R(A',x,C')',A,C) = R(A',C,x)'.  [para(41975(a,1),45013(a,2,1)),rewrite([45013(16),60164(8)]),flip(a)].

71360 (A' * R(A,C,x * A)) * x = R(x,A,C).  [para(45473(a,1),47562(a,2,2)),rewrite([48525(7),45511(17)])].

71373 R(A',C,x / R(x,A,C)) = A'.  [para(48533(a,1),43036(a,1,2)),rewrite([70239(13),67451(12)]),flip(a)].

71384 R(A',x / R(x,A,C),C) = A'.  [para(71373(a,1),948(a,2,1)),rewrite([16(5,R),42016(20),39692(12)]),flip(a)].

71395 R(x / R(x,A,C),A,C) = x / R(x,A,C).  [para(71384(a,1),52531(a,1,2,1)),rewrite([35(9)]),flip(a)].

71839 x * R(A,C,x * A) = x * R(A,C,x).  [para(49293(a,1),50750(a,2,2)),rewrite([52081(6),1090(8),38668(6)]),flip(a)].

71841 R(A,C,x * A) = R(A,C,x).  [para(71839(a,1),10(a,1,2)),rewrite([10(6)]),flip(a)].

71843 R(A,C,x * (A * A)) = R(A,C,x).  [para(71839(a,1),4433(a,1,2)),rewrite([71841(11),4433(11),1926(9)]),flip(a)].

71845 R(A,C,x * A') = R(A,C,x).  [para(71839(a,1),5067(a,1,2)),rewrite([5067(14),83(13),307(12)])].

71855 (A' * R(A,C,x)) * x = R(x,A,C).  [back_rewrite(71360),rewrite([71841(7)])].

71897 R(A,x,A * C') = R(A,C,x).  [back_rewrite(59396),rewrite([71841(5)]),flip(a)].

71911 R(x,A,C) / x = A' * R(A,C,x).  [back_rewrite(53205),rewrite([71841(11)])].

71919 A * (R(x,A,C) / x) = R(A,C,x).  [back_rewrite(49293),rewrite([71841(11)])].

71928 A * (R(C * x,A,C) / (x * C)) = R(A,C,x).  [back_rewrite(43700),rewrite([71841(15)])].

71941 A * (A * R(A',x,C)) = R(A,C,x).  [back_rewrite(56119),rewrite([71843(15)])].

71942 R(R(A,C,x),x,A') = R(A,C,x).  [back_rewrite(58542),rewrite([71845(12)])].

71975 R(R(A,C,x),x * A,C) = A.  [back_rewrite(61008),rewrite([71897(6)])].

71997 R(A,C,x * (C * (A' * A'))) = R(A,C,x).  [para(2680(a,1),71841(a,1,3)),rewrite([38768(8),71845(6)]),flip(a)].

72002 A' * R(A,x,A * C) = A' * R(A,x,C).  [para(71841(a,1),42678(a,1,1,1)),rewrite([42678(6),41401(13)]),flip(a)].

72044 x / R(x,A,C) = A' * R(A,x,C).  [back_rewrite(48533),rewrite([72002(12)])].

72061 R(R(A,C,x),x * A',C) = A.  [para(2680(a,1),71975(a,1,2)),rewrite([71997(11),39692(10)])].

72111 R(A',C,x * A) = R(A',C,x).  [para(71897(a,1),1487(a,2,1)),rewrite([494(5),435(3),494(9),435(7),13522(9),24752(10),494(11),435(9),27776(

12),79(16),461(12,R),25415(12),40252(11),70239(7),494(13),435(11),50414(14),31(12)])].

72112 R(R(A',C,x),x,A) = R(A',C,x).  [back_rewrite(70015),rewrite([72111(12)])].

72270 R(R(A,C,x * x),x * (x * A'),C) = A.  [para(12(a,1),72061(a,1,2))].

72421 R(A,x,A * C) = R(A,x,C).  [para(71919(a,1),11186(a,1,1,2,1)),rewrite([50(8),42678(7),35(8),2061(9),112(9),41687(9),307(12)]),flip(a)].

72425 R(A * A,x,C) * A' = R(A,C,A * x).  [para(71919(a,1),38380(a,2)),rewrite([28013(7),66038(8)])].

72466 (x / R(x,A,C)) / R(A,x,C) = A'.  [back_rewrite(53035),rewrite([72421(9)])].

72467 R(A,x,C) / (x / R(x,A,C)) = A.  [back_rewrite(53034),rewrite([72421(5)])].

72490 R(A,C',x * A') = R(A,x,C).  [back_rewrite(42240),rewrite([72421(10),41685(8)])].

72523 R(A,x * A,C) = R(A,x,C).  [back_rewrite(41401),rewrite([72421(10)])].

72530 R(A,x * A',C) = R(A,x,C).  [back_rewrite(41676),rewrite([72490(13)])].

72820 R(R(A,C,x),x * C,A') = R(A,C,x).  [para(71942(a,1),2594(a,1)),rewrite([38768(5),38768(8)]),flip(a)].

72908 R(A',C,x * A') = R(A',C,x).  [para(7(a,1),72111(a,1,3)),rewrite([435(9)]),flip(a)].

73281 R(x,R(x,A,C),C) = x.  [para(71855(a,1),4714(a,1,1,2)),rewrite([38771(14),71855(14),28523(11),58196(12),38771(7),71855(7)]),flip(a)].

73283 R(x * C,R(x,A,C),C) = C * x.  [para(73281(a,1),396(a,1)),rewrite([39610(11)]),flip(a)].

73285 R(x * C',R(x,A,C),C) = C' * x.  [para(73281(a,1),805(a,1)),rewrite([48833(14)]),flip(a)].

73290 R(x,R(x,A,C),C') = x.  [para(73281(a,1),39747(a,1,1))].

73298 (x * C) / R(x,A,C) = R(C,A,A' * x).  [para(73290(a,1),1731(a,1,1)),rewrite([461(7,R),141(8),73290(12),38362(7),35(9),73290(12),461(12,R

),28314(12),51764(13)])].

73299 R(R(C,A,A' * x),R(x,A,C),A) = C.  [back_rewrite(65998),rewrite([73298(6)])].

73345 A' * R(A,C,x) = A * R(A',x,C).  [para(71911(a,1),27520(a,2)),rewrite([28596(8),86(5),439(4),57688(6),71841(13)]),flip(a)].

73463 A' * R(A,x,C) = A * R(A',x,C').  [para(71941(a,1),10918(a,1,1,1)),rewrite([42678(6),2061(16),2076(16),55377(17),31(12),10(18)])].

73482 A' * (R(A,x,C) * A) = R(A',x,C)'.  [para(71941(a,1),16999(a,1,1,1)),rewrite([5693(17),42681(8)])].

73493 x / R(x,A,C) = A * R(A',x,C').  [back_rewrite(72044),rewrite([73463(10)])].

73499 R(A,C,x)' * A = A * R(A',x,C').  [back_rewrite(42678),rewrite([73463(12)])].

73553 R(A,R(A',C,x),x * A) = A.  [para(72112(a,1),6981(a,1,2,1,1)),rewrite([23(12),3(3),72112(8)]),flip(a)].

73555 R(A,R(A',C,x),x) = A.  [para(7(a,1),73553(a,1,3)),rewrite([435(6),72908(8)])].

73577 (A * R(A',C,x)) * x = R(x,A,C').  [para(73555(a,1),79(a,1,1)),rewrite([70020(7)]),flip(a)].

73586 R(A,R(A',C,x),R(x,A,C)) = A.  [para(48837(a,1),73555(a,1,2))].

73653 (A * R(A',C,x)) * R(x,A,C) = x.  [para(73586(a,1),79(a,1,1)),rewrite([52336(9),35(5)]),flip(a)].

73835 (x / R(x,A,C)) * A = R(A',x,C)'.  [para(72466(a,1),1166(a,1,1)),rewrite([72466(13),871(8),73482(8),72467(17)]),flip(a)].

74185 x / R(x,A,C) = A * R(A',C,x).  [para(73653(a,1),6(a,1,1))].

74307 R(A,C,x) * (A * R(A',C,x)) = A.  [para(74185(a,1),52992(a,1,2)),rewrite([71928(10),38768(10)])].

74390 R(A,x,C')' * A = A * R(A',C,x).  [para(74307(a,1),38946(a,1,2))].

74560 A * R(A,C,x) = R(A * A,x,C).  [para(72820(a,1),37000(a,2,2)),rewrite([757(7),37301(9)]),flip(a)].

74591 R(A * A,x,C) * R(A,C,x)' = A.  [para(74560(a,1),86(a,1,1)),rewrite([2028(19)])].

74717 R(x,R(x * C,A,C),C) = x.  [para(64(a,1),73285(a,2)),rewrite([461(5,R),64(5)])].

74734 R(R(C,A,x),C * (A * x),A) = C.  [para(34595(a,1),73299(a,1,2)),rewrite([31235(9),54872(8),461(7,R),10(7)])].

74745 R(C,A,x * C') = R(C,A,x).  [para(74734(a,1),34880(a,1,1)),rewrite([27764(9),52196(9),16(6,R),55732(7)])].

74749 R(R(C,A,x),C * (C * (A * x)),A) = C.  [para(4926(a,1),74734(a,1,2,2)),rewrite([16(8),2223(9),16(8,R),27764(9),52196(9),16(6,R),55732(7)

,74745(6),307(10)])].

74764 R(C,A,x * C) = R(C,A,x).  [para(83(a,1),74745(a,1,3)),rewrite([31(5),458(6),31(8)]),flip(a)].

75009 R(x,R(x,A,C'),C) = x.  [para(73577(a,1),4714(a,1,1,2)),rewrite([38771(15),73577(15),27745(13),58196(14),38771(7),73577(7)]),flip(a)].

75012 R(R(x,A,C),x,C) = R(x,A,C).  [para(34740(a,1),75009(a,1,2)),rewrite([27658(6),27658(11)])].

75640 C * (x * R(y,x,C)) = x * (y * C).  [para(20117(a,2),1121(a,1,1)),rewrite([1102(11),107(7),66727(10),102(7),40(13),10(12)])].

75642 C' * (x * (y * C)) = x * R(y,x,C).  [para(75640(a,1),10(a,1,2))].

75647 x * (C' * R(y,x,C)) = C' * (x * y).  [para(481(a,1),75640(a,1,2)),rewrite([39688(13),39688(10),35(11),1103(15),35(13)])].

75650 x * (C * R(A,C,x)) = C * (x * A).  [para(38563(a,1),75640(a,1,2,2)),rewrite([16(9,R)]),flip(a)].

75651 x * (C * R(y,x,C')) = C * (x * y).  [para(39746(a,1),75640(a,1,2,2)),rewrite([16(8,R)]),flip(a)].

75690 (C * (x * A)) / (C * R(A,C,x)) = x.  [para(75650(a,1),6(a,1,1))].

75691 x' * (C * (x * A)) = C * R(A,C,x).  [para(75650(a,1),10(a,1,2))].

75692 (C * R(A,C,x)) / (C * (x * A)) = x'.  [para(75650(a,1),33(a,1,2))].

75694 (C * x) * R(A,C,x) = x * (A * C).  [para(75650(a,1),2224(a,2,2)),rewrite([38772(9),461(10,R),10(10),24784(14),27745(14),27756(14)])].

75715 R(R(x,A,C'),R(A,C,x),C) = x.  [para(75690(a,1),39745(a,2)),rewrite([75692(10),39840(8),143(6),44778(5),44778(6),31(2),39692(11)])].

75720 R(x,R(A,C,x),C') = R(x,A,C').  [para(75715(a,1),39747(a,1,1))].

75729 x' * R(x * A,A,C) = R(A,C,x).  [para(75694(a,1),10(a,1,2)),rewrite([509(3),1091(8),2548(8),25415(8)])].

75731 R(x * A,A,C) = x * R(A,C,x).  [para(35(a,1),75694(a,1,1)),rewrite([38772(6),1103(11),25415(11)]),flip(a)].

75747 R(x * A,A,C) / R(A,C,x) = x.  [para(75731(a,2),6(a,1,1))].

75748 (x * A') * R(A,C,x) = R(x,A,C).  [para(7(a,1),75731(a,1,1)),rewrite([435(5),435(10),71845(12)]),flip(a)].

75755 (A * x') * R(x,A,C) = R(A,C,x).  [para(75731(a,2),5067(a,1,2)),rewrite([83(8),307(7),71845(13)])].

75827 (x * A) / R(A,C,x) = R(x,A,C').  [para(75720(a,1),39916(a,2)),rewrite([75650(8),10(7)])].

75848 R(A * x',A,C') * x = R(A,x,C').  [para(34740(a,1),75755(a,1,2)),rewrite([27681(6),44778(6),24764(7),27681(15),41565(15)])].

75939 R(A * x',x,C')' = x / R(A,C,x).  [para(625(a,1),75827(a,2)),rewrite([435(2),83(5),307(4),435(4),71845(6),2061(6)]),flip(a)].

75947 R(x / R(A,C,x),A,C) = x * A'.  [back_rewrite(27908),rewrite([75939(7)])].

75984 R((x / R(A,C,x)) * A,A,C) = x.  [para(75947(a,1),50527(a,1,1)),rewrite([83(5),307(4),24707(10)]),flip(a)].

75993 (x / R(A,C,x)) * A = R(x,A,C').  [para(75984(a,1),12026(a,1,1)),rewrite([27681(5)]),flip(a)].

75996 R(R(C,x / R(A,C,x),A),x,A') = C.  [para(75984(a,1),55469(a,1,2))].

76191 x' * (C' * (x * (y * C))) = R(y,x,C).  [para(75642(a,2),10(a,1,2))].

76194 R(x,y,C) * R(y,R(x,y,C),C) = x * y.  [para(79(a,1),75642(a,1,2)),rewrite([16(5,R),10(6)]),flip(a)].

76197 x * R(A * C,x,C) = (x * C) * A.  [para(14702(a,1),75642(a,1,2,2)),rewrite([41666(9)]),flip(a)].

76198 (x * R(y,x,C)) / y = R(x,y,C').  [para(75642(a,1),489(a,1,1)),rewrite([461(8,R),64(8),39841(9)])].

76200 R(x,y,C') * y = x * R(y,x,C).  [para(75642(a,1),788(a,2)),rewrite([39841(5),64(8)])].

76201 R(x * A,A,C') = x * R(A,x,C).  [para(31432(a,1),75642(a,1,2,2)),rewrite([16(5),27127(7),507(12)])].

76203 (C * x) * R(A,x,C) = C * (x * A).  [para(1421(a,1),75642(a,1,2)),rewrite([10(9),39692(11)]),flip(a)].

76205 x / (y * R(x,y,C)) = R(y,x,C')'.  [para(75642(a,1),1460(a,1,2)),rewrite([64(5),39841(9)])].

76207 R(x,A,C) * R(A,x,C) = x * A.  [para(41290(a,1),75642(a,2,2)),rewrite([79(9),16(6,R),10(7)]),flip(a)].

76219 (x * A) / R(A,x,C) = R(x,A,C).  [para(76207(a,1),6(a,1,1))].

76229 R(A,x',C' * x) = R(A,x,C).  [para(76207(a,1),6150(a,1,2)),rewrite([50286(6),24707(5),44896(5),28013(6),435(8),83(11),307(10),53743(7),4

35(9),72530(12)])].

76250 (C * (x * A)) / R(A,x,C) = x * C.  [para(39485(a,1),76219(a,1,1)),rewrite([27089(10),41312(13),39664(9),27089(13),39746(17)])].

76278 R(A,x,C' * x') = R(A,x',C).  [para(31(a,1),76229(a,1,2))].

76294 x' * ((x * C) * A) = R(A * C,x,C).  [para(76197(a,1),10(a,1,2))].

76361 (R(x,y,C') * y) / R(y,x,C) = x.  [para(76200(a,2),6(a,1,1))].

76363 R(x,y,C) / (R(y,x,C') * x) = y'.  [para(76200(a,2),33(a,1,2))].

76439 x' * R(x * A,A,C') = R(A,x,C).  [para(76201(a,2),10(a,1,2))].

76443 C' * R(A * C,x,C) = R(A,x,C).  [para(76201(a,2),556(a,1,2)),rewrite([31356(11),10961(8),141(6),1091(7),76294(8),39664(13)])].

76467 R(R(A,x,C),C,x) = A.  [back_rewrite(41824),rewrite([76443(8)])].

76471 C * R(A,x,C) = R(A * C,C',x).  [para(76467(a,1),31512(a,1,1,2)),rewrite([16(3),16(11,R)]),flip(a)].

76510 R(C,A,R(C,A,x * A)) = C.  [back_rewrite(65212),rewrite([76471(7),50039(11)])].

76516 R(C,A,R(C,x,A')) = C.  [back_rewrite(59220),rewrite([76471(9),54892(11)])].

76526 R(C,R(A * C,C',x),A) = C.  [para(76516(a,1),12026(a,1,1)),rewrite([50204(7)])].

76544 R(C,A,R(C,A,x)) = C.  [para(7(a,1),76510(a,1,3,3))].

76547 R(C,A * R(C,A,x),A) = C.  [para(76544(a,1),12026(a,1,1))].

76618 R(A,C,R(C,A,x))' = A'.  [para(76547(a,1),66893(a,1,1,1,2)),rewrite([16(4,R),107(6),10(7),41986(9)])].

76641 R(A,C,A * R(C,A,x)) = A.  [para(76618(a,1),74591(a,1,2)),rewrite([72425(11)])].

76669 R(A,C,R(A * C,A,x)) = A.  [para(37353(a,1),76641(a,1,3))].

76678 R(A,R(A * C,A,x),C) = A.  [para(76669(a,1),948(a,2,1)),rewrite([35169(11),6(21),39692(11)]),flip(a)].

76687 R(A,R(A * C,A,x)',C) = A.  [para(76678(a,1),54034(a,1,1)),rewrite([76278(16)])].

76764 x' * (C' * (x * (C * y))) = R(y,x,C).  [para(2632(a,1),20488(a,1,2,2)),rewrite([7(7),76191(8),1091(9),461(9,R)]),flip(a)].

76765 R(A * x,A,C') = R(A * x,x,C).  [para(42262(a,1),20488(a,1,2,2,2)),rewrite([76764(10),79(14),461(11,R),20902(11)]),flip(a)].

76770 R(C,R(A * C,x,C),A) = C.  [para(39546(a,1),76526(a,1,2))].

76773 R(C',R(A * C,x,C),A) = C'.  [para(76770(a,1),49269(a,1,1)),flip(a)].

76780 R(A',C,R(A * C,x,C)) = A'.  [para(76770(a,1),66893(a,1,1,1,2)),rewrite([16(4,R),107(6),10(7)])].

76904 R(A,R(C',A,x),C) = A.  [para(66079(a,1),76687(a,1,2,1)),rewrite([2076(7),51662(5),72530(10)])].

76907 R(A,C,R(C',A,x)) = A.  [para(76904(a,1),948(a,2,1)),rewrite([16(9,R),16(17,R),1260(19),38739(9),16(14,R),39692(16),76904(14)])].

76919 R(C,A,R(C',A,x)) = C.  [para(76907(a,1),52317(a,1,1,1)),rewrite([461(10),654(16),51679(9)])].

76927 R(C,A,R(C',x,A')) = C.  [para(50511(a,1),76919(a,1,3))].

76944 R(C,R(A * C,C,x),A) = C.  [para(76927(a,1),74749(a,1,1)),rewrite([51658(10),39500(11),507(8),16(4)])].

76968 R(A,C,R(A * C,C,x)) = A.  [para(76944(a,1),6981(a,1,2,1,1)),rewrite([23(16),3(3),76944(10),71841(11)]),flip(a)].

76994 R(A,C,R(C,A * x,A)) = A.  [para(76968(a,1),71845(a,2)),rewrite([50972(10)])].

77030 R(A,C,R(C,x,A)) = A.  [para(35(a,1),76994(a,1,3,2))].

77051 R(R(C,x,A),A,C) = R(C,x,A).  [para(77030(a,1),75690(a,1,2,2)),rewrite([54584(6),16(4),16(11),22446(12),2224(14),10942(14),31965(9),1090

(6),435(4),123(6)])].

77615 R(A',C',R(A * C,x,C)) = A'.  [para(76773(a,1),66893(a,1,1,1,2)),rewrite([599(8),507(7)])].

77617 R(A',R(A * C,x,C),C) = A'.  [para(76780(a,1),32626(a,2)),rewrite([77615(10)])].

77975 C * (A * R(A',x,C')) = R(C,x,A').  [para(77617(a,1),39748(a,1,1)),rewrite([57250(8),461(15,R),76443(15),73463(11)]),flip(a)].

78133 (C * R(A,C,x)') * A = R(C,x,A').  [para(61143(a,1),76203(a,1,2)),rewrite([73499(15),77975(17)])].

78134 C * (A * R(A',C,x)) = R(C,x,A').  [para(38948(a,1),76203(a,2,2)),rewrite([61143(13),78133(8),74390(12)]),flip(a)].

78235 C * R(A,C,x)' = R(C * A',A,x).  [para(61143(a,1),76250(a,1,2)),rewrite([73499(7),77975(9),435(6),50273(7),16(12,R)]),flip(a)].

78236 C * R(A,x,C')' = R(C * A',A,x).  [para(61160(a,1),76250(a,1,2)),rewrite([74390(8),78134(8),435(6),50273(7),16(13,R)]),flip(a)].

78241 R(A,x,C) * (C * A') = R(C,A,x * A).  [back_rewrite(42695),rewrite([78235(15),44325(16)])].

78354 (x * y) / R(y,R(x,y,C),C) = R(x,y,C).  [para(39747(a,1),76361(a,1,1,1))].

78356 R(R(x,y,C'),R(y,x,C),C) = x.  [para(76361(a,1),39745(a,2)),rewrite([76363(7),41157(8),31(5)])].

78394 R(R(x,R(y,x,C'),C'),y,C) = x.  [para(39746(a,1),78356(a,1,2))].

78395 R(x,R(y,x,C),C') = R(x,y,C').  [para(78356(a,1),39747(a,1,1))].

78460 C' / R(A,x,C) = R(A' * C',A,x).  [para(76443(a,1),492(a,1,2)),rewrite([40204(12)])].

78582 R(A * (C * x),x,C) = C * (A * x).  [para(2536(a,1),76765(a,1,1)),rewrite([35195(8),39692(12)]),flip(a)].

79187 R(A,C,x * x) = R(A,x,C).  [para(21593(a,1),75729(a,2)),rewrite([509(4),1023(4),274(11),33480(14),13(12),10(10),27127(8),76439(8),38773(

9)]),flip(a)].

79199 R(R(A,x,C),x * (x * A'),C) = A.  [back_rewrite(72270),rewrite([79187(4)])].

79534 R(x,R(y,x,C'),C') = R(x,y,C').  [para(78394(a,1),39747(a,1,1)),flip(a)].

79536 R(x,y,C') * R(y,x,C') = x * y.  [para(78394(a,1),76200(a,2,2)),rewrite([79534(6),79534(6),79534(9)])].

79545 R(R(x,y,C),R(y,x,C'),C') = x.  [para(78356(a,1),78395(a,1,2)),rewrite([39747(5)]),flip(a)].

79589 C * (x / R(x,A,C)) = R(C,x,A').  [para(73493(a,2),78582(a,2,2)),rewrite([78582(16),77975(9)]),flip(a)].

79742 R(R(A,x,C),x * (A * x),C) = A.  [para(7(a,1),79199(a,1,2,2)),rewrite([871(4),72523(5),871(6),23577(6)])].

79747 R(A,C,x * (A * x)) = R(A,x,C).  [para(79742(a,1),39747(a,1,1)),rewrite([40310(7)])].

79752 R(A',C,x * x)' = R(A',x,C)'.  [para(35(a,1),79747(a,1,3,2)),rewrite([19948(6),38672(7),70239(6),142(12)])].

79870 R(x,R(y,x,C'),C) = R(x,y,C).  [para(79545(a,1),948(a,2,1)),rewrite([461(10,R),35(11),461(13,R),35(14),6(10),461(8,R),39688(10)]),flip(a

)].

79877 (R(x,y,C) * y) / R(y,x,C') = x.  [para(79545(a,1),76198(a,2)),rewrite([78356(9)])].

79879 (x * R(y,x,C')) / y = R(x,y,C).  [para(79545(a,1),76361(a,1,1,1)),rewrite([78356(11)])].

79880 R(R(x,y,C'),R(y,x,C'),C) = x.  [para(39746(a,1),79870(a,2)),rewrite([79534(9)])].

79881 R(x,R(y,x,C),C) = R(x,y,C).  [para(39747(a,1),79870(a,1,2)),flip(a)].

79890 (x * y) / R(y,x,C) = R(x,y,C).  [back_rewrite(78354),rewrite([79881(5)])].

79891 R(x,y,C) * R(y,x,C) = x * y.  [back_rewrite(76194),rewrite([79881(6)])].

79900 R(x,y,C)' * (x * y) = R(y,x,C).  [para(79881(a,1),39741(a,1,1,1)),rewrite([75647(10),35(9)])].

79908 R(x,y,C) / y = R(x / y,y,C).  [back_rewrite(52532),rewrite([79900(5)])].

79949 x / R(y,x / y,C) = R(x / y,y,C).  [para(7(a,1),79890(a,1,1))].

79962 R(x,y,C')' * x = x' * R(x,y,C).  [para(79890(a,1),38362(a,2,2)),rewrite([76205(4)])].

79978 R(x,y / x,C) = R(x,y,C).  [para(79891(a,1),6150(a,1,2)),rewrite([7(7),38362(6),107(6),76191(8)]),flip(a)].

79987 R(x / y,y,C) = x / R(y,x,C).  [back_rewrite(79949),rewrite([79978(3)]),flip(a)].

79988 R(x,y * x,C) = R(x,y,C).  [para(6(a,1),79978(a,1,2)),flip(a)].

79989 R(x * y,x',C) = R(x * y,y,C).  [para(33(a,1),79978(a,1,2))].

80016 R(x,y * (x * C),C) = R(x,y,C).  [para(3564(a,1),79978(a,1,2)),rewrite([39692(6),39664(4),39692(9)]),flip(a)].

80020 R(C,x * A,A) = R(C,x,A).  [para(79978(a,1),49386(a,1,2)),rewrite([49386(8),13522(9),55493(11)]),flip(a)].

80044 x * R(A,C,x) = R(x * A,x',C).  [para(75731(a,1),79978(a,2)),rewrite([33(6)]),flip(a)].

80058 R(x / y,y,C) * R(y,x,C) = x.  [para(79978(a,1),79891(a,1,2)),rewrite([7(8)])].

80060 R(R(x,y,C),y * (C * x),C') = x.  [back_rewrite(52750),rewrite([79988(3)])].

80071 A * R(C * A',x,A) = R(C,x,A).  [back_rewrite(57132),rewrite([80020(13)])].

80132 A * R(C,A,x) = R(A * C,A,x).  [para(74(a,1),79988(a,1,2)),rewrite([50216(11),66079(9),74764(6),50216(12)])].

80142 R(C,A',A * x) = R(C,x,A).  [para(79988(a,1),49386(a,1,2)),rewrite([49386(8),38114(11),16(10,R),55421(11)]),flip(a)].

80144 R(x,R(y,C,x),C) = R(x,y,C).  [para(38579(a,1),79988(a,1,2)),rewrite([39692(8),79988(6),39688(5)]),flip(a)].

80186 R(x,A,C) / (C' * x) = R(C,x,A).  [back_rewrite(66461),rewrite([80142(13)])].

80212 R(x * C,A,C) / x = R(C,x,A).  [back_rewrite(55951),rewrite([80142(12)])].

80220 R(R(C,x,A),x,C) = R(C,x,A).  [back_rewrite(52214),rewrite([80142(6),80142(11)])].

80245 R(C,x * (A * A),A) = R(C,x,A).  [para(1926(a,1),80020(a,1,2)),rewrite([80020(12)])].

80257 R(C * A',x,C) = R(C * A',x,A).  [para(80020(a,1),38446(a,2,2)),rewrite([29933(10),50159(9),49441(12)]),flip(a)].

80260 R(C,x / R(A,C,x),A) = R(C,x,A).  [para(75993(a,1),80020(a,1,2)),rewrite([51048(7)]),flip(a)].

80299 R(R(C,x,A),x,A') = C.  [back_rewrite(75996),rewrite([80260(7)])].

80306 R(R(C,x,A),x * A',A') = C.  [para(2805(a,1),80299(a,1,1)),rewrite([80142(6)])].

80307 R(C,A',x * A) = R(C,A',x).  [para(80299(a,1),38175(a,1,1)),rewrite([2676(10)]),flip(a)].

80667 R(C * x,A,C) = R(C,x,A) * x.  [para(80142(a,1),79(a,1,1)),rewrite([10(8),2223(11),31235(11)]),flip(a)].

80692 R(R(x,y,C),R(y,C',x),C') = x.  [para(80144(a,1),79545(a,1,1)),rewrite([39878(7)])].

80816 R(x / y,y,C) * y = R(x,y,C).  [para(79908(a,1),7(a,1,1))].

80817 R(x / y,y,C)' = y / R(x,y,C).  [para(79908(a,1),112(a,1,1))].

80822 C * (x' * (C' * (x * y))) = R(y,x,C).  [para(79908(a,1),2587(a,1,1)),rewrite([39664(7),758(8),38362(5),107(5),39664(12)])].

80829 R(x * R(y,x,C),x',C) = x * y.  [para(79908(a,1),1203(a,1,1,2,2)),rewrite([75640(6),16(3,R),38366(8),107(5),10(6),7(2)]),flip(a)].

80832 R(R(x,y,C') / y,y,C) = x / y.  [para(39746(a,1),79908(a,1,1)),flip(a)].

80853 (x * C) / (C * y) = x / R(y,x,C).  [back_rewrite(28799),rewrite([80817(4)]),flip(a)].

80854 (x / R(y,x,C)) * (C * y) = C * x.  [back_rewrite(26446),rewrite([80817(4)])].

80867 (x / R(y,x,C)) * y = R(x,y,C).  [para(79987(a,1),39748(a,1,1)),rewrite([1091(10),461(10,R),80822(12)])].

80873 R(x,y,C') / R(y,x,C) = x / y.  [para(79870(a,1),79987(a,2,2)),rewrite([80832(6)]),flip(a)].

80896 R(R(x,y,C'),y * x,C) = x.  [para(39746(a,1),80016(a,2)),rewrite([16(8,R),75651(9),39692(8)])].

80921 R(R(x,y / x,C'),y,C) = x.  [para(7(a,1),80896(a,1,2))].

80932 R(R(x,y,C'),y * (C' * x),C) = x.  [para(481(a,1),80896(a,1,2)),rewrite([40094(9),40094(6),39688(12)])].

80937 R(x,y * x,C') = R(x,y,C').  [para(80896(a,1),39747(a,1,1))].

80946 R(R(x,y,C')',x * (y * x),C) = x'.  [para(80896(a,1),41107(a,1,2,1)),rewrite([80896(14)])].

80949 R(R(x,y,C'),R(y,x,C) * x,C) = x.  [para(78395(a,1),80896(a,1,1))].

80963 R(x,y / x,C') = R(x,y,C').  [para(80921(a,1),39747(a,1,1)),flip(a)].

81005 R(x * C,A,C) = R(C,x,A) * x.  [para(74717(a,1),80058(a,1,2)),rewrite([80212(6),80220(5)]),flip(a)].

81007 (x / y) * R(y,x,C) = R(x,y,C').  [para(79870(a,1),80058(a,1,2)),rewrite([80832(6)])].

81019 R(C,A,x * A') = R(C,A,x).  [para(80132(a,1),10(a,1,2)),rewrite([66080(8)])].

81056 R(C,A,x * A) = R(C,A,x).  [para(7(a,1),81019(a,1,3)),rewrite([871(8)]),flip(a)].

81059 R(C,A,A' * x) = R(C,x,A').  [para(1841(a,1),81019(a,1,3)),rewrite([50511(9)]),flip(a)].

81094 R(A,x,C) * (C * A') = R(C,A,x).  [back_rewrite(78241),rewrite([81056(13)])].

81123 A * R(C * A',A,x) = R(C,A,x).  [back_rewrite(44325),rewrite([81056(13)])].

81139 (x * C) / R(x,A,C) = R(C,x,A').  [back_rewrite(73298),rewrite([81059(12)])].

81180 R(C',A,x * A) = R(C',A,x).  [para(81056(a,1),139(a,2,1)),rewrite([16(7),15(10),27519(11),1090(7),435(5),86(6),439(5),847(5),461(4),5167

5(9),51662(10)])].

81532 R(R(C,A * (x * (A * A)),A),A,x) = C.  [para(1938(a,1),80306(a,1,2)),rewrite([9(16),3(14),32255(16),86(15),439(14)])].

81668 C * (A * R(A,x,C')') = R(C,A,x).  [para(58854(a,1),80667(a,2,1)),rewrite([28546(12),78236(8),81123(8)]),flip(a)].

81812 R(x,y,C) * y = R(x * y,y,C).  [para(6(a,1),80816(a,1,1,1))].

81813 R(x * y,y,C) = C * (x * (C' * y)).  [para(838(a,1),80816(a,1,1,1)),rewrite([39664(9),79(10),40909(6),16(6,R),39664(11)]),flip(a)].

81814 C * R(x,y,C) = R(C * x,y,C).  [para(80816(a,1),71(a,2,2)),rewrite([39692(9),39721(9),16(6,R),35937(7),81812(6),7(4),39692(9)]),flip(a)]

.

81815 R(x * (y * C),y,C) = C * (x * y).  [para(2584(a,1),80816(a,1,1,1)),rewrite([39692(4),758(5),39692(10)]),flip(a)].

81816 R(x * (C * y),y,C) = C * (x * y).  [para(2585(a,1),80816(a,1,1,1)),rewrite([39664(4),79(5),16(3,R),39664(10)]),flip(a)].

81824 R(x,y,C)' * R(C * x,y,C) = C.  [para(80816(a,1),4456(a,1,1,1)),rewrite([39692(4),39692(11),79(12),50479(8),16(12,R),80822(12),81814(7)]

)].

81834 R(C' * (x * (y * C)),y,C) = x * y.  [para(39922(a,1),80816(a,1,1,1)),rewrite([39746(5)]),flip(a)].

81845 R(R(x,y,C'),R(y * x,x,C),C) = x.  [back_rewrite(80949),rewrite([81812(6)])].

81847 R(x * y,y,C) / R(y,x,C') = x.  [back_rewrite(79877),rewrite([81812(3)])].

81862 (x / y) * R(y,x,C') = R(x,y,C).  [para(39746(a,1),80867(a,1,1,2)),rewrite([79870(10)])].

81875 R(C,x,A') * R(x,A,C) = C * x.  [para(73283(a,1),80867(a,2)),rewrite([39664(9),75012(7),81139(6)])].

81902 R(x,R(y,C,x),C') = R(x,y,C').  [para(38579(a,1),80937(a,1,2)),rewrite([39840(9),80937(7),40094(6)]),flip(a)].

81985 C * (A * R(A',x,C)) = R(C,x,A).  [para(59973(a,1),81005(a,2,1)),rewrite([16(8,R),28546(11),81814(7),80257(7),80071(8)]),flip(a)].

82137 C * R(A,C,x) = R(A * C,C,x).  [para(52438(a,1),81812(a,1,1)),rewrite([53061(5),16(5,R),75691(6),38362(11),871(11),76294(11),39627(12),4

0994(12)])].

82180 R(x,y,C) / R(C * x,y,C) = C'.  [para(81814(a,1),33(a,1,2))].

82181 C / R(C * x,y,C) = R(x,y,C)'.  [para(81814(a,1),117(a,1,2))].

82182 R(C * x,y,C)' = C' / R(x,y,C).  [para(81814(a,1),509(a,1,1))].

82213 C * R(A' * C',A,x) = R(A,x,C)'.  [para(21669(a,1),81814(a,1,2)),rewrite([40204(7),507(16),57821(17),143(18),39683(15)])].

82272 R(C,R(A,C,x),R(C * A',A,x)) = C.  [para(82137(a,1),150(a,1,2,1)),rewrite([78235(13),52635(14),1222(6,R),9(5),3(3),78235(11)]),flip(a)].

82279 C * R(A,x,C') = R(A * C,C,x).  [para(38627(a,1),82137(a,1,2))].

82287 C * (A * R(A,x,C)') = R(C,A * x,A).  [para(82137(a,1),22459(a,1,1,1)),rewrite([50972(8),77051(8),41933(12)]),flip(a)].

82453 R(C,x / R(x,A,C),R(x,A,C)) = C.  [para(79589(a,1),81(a,1,1,1)),rewrite([81875(8),6(3)]),flip(a)].

82548 x * R(y * C,x,C') = C * (x * y).  [para(79879(a,1),2587(a,1,1)),rewrite([39664(4),758(5)]),flip(a)].

82555 R(x * C,y,C)' = C' / R(x,y,C).  [para(79879(a,1),43379(a,1,2)),rewrite([39664(6),82548(13),39813(12),82181(13)]),flip(a)].

82566 x' * (C * (x * y)) = C * R(y,x,C').  [para(79880(a,1),751(a,1,1,1)),rewrite([79536(8),16(4,R),16(10,R)])].

82571 R(R(x,y,C'),R(y,C',x),C) = x.  [para(39878(a,1),79880(a,1,2)),rewrite([81902(5)])].

82579 (R(x,y,C') / y) * R(y,x,C') = x.  [para(79880(a,1),80867(a,1,1,2)),rewrite([79880(16)])].

82610 A * R(A,x,C)' = A * R(A',x,C).  [para(79900(a,1),3904(a,2,2)),rewrite([24763(5),44778(6),24764(7),75848(8),43049(7)])].

82612 R(A,x,C)' = R(A',x,C).  [para(59143(a,1),79900(a,2)),rewrite([59910(7),82610(8),10(9)]),flip(a)].

82613 R(A,C',x)' = R(A',x,C).  [para(59938(a,1),79900(a,1,1,1)),rewrite([10(10),59149(13),82612(9)])].

82622 R(A,x,C')' = R(A',x,C').  [para(79900(a,1),15948(a,1,2,1,1)),rewrite([55377(10),31(5),10(10),24763(10),44778(11),24764(12),75848(13)]),

flip(a)].

82625 R(C,A * x,A) = R(C,x,A).  [back_rewrite(82287),rewrite([82612(6),81985(8)]),flip(a)].

82637 R(A,x,C') * A' = A * R(A',x,C).  [back_rewrite(43049),rewrite([82612(12)])].

82643 C * R(A' * C',A,x) = R(A',x,C).  [back_rewrite(82213),rewrite([82612(13)])].

82747 R(A,x,C) * R(A',x,C) = 0.  [back_rewrite(41445),rewrite([82613(8)])].

82756 R(C,A,x) = R(C,x,A').  [back_rewrite(81668),rewrite([82622(7),77975(9)]),flip(a)].

82760 C * R(A',x,C') = R(C * A',A,x).  [back_rewrite(78236),rewrite([82622(6)])].

82781 R(A,C,x)' = R(A',x,C').  [back_rewrite(59686),rewrite([82622(5),61182(8)]),flip(a)].

82807 R(R(C,x,A),A,x) = C.  [back_rewrite(81532),rewrite([82625(9),80245(7)])].

82887 R(A * C,C,x) * A' = R(C,x,A).  [back_rewrite(50972),rewrite([82625(13)])].

83018 R(C,A',x) = R(C,x,A).  [para(82807(a,1),12114(a,1,1)),rewrite([2676(9),80307(9)]),flip(a)].

83088 R(C,R(A,x,C'),A') = C.  [para(82756(a,1),60213(a,1))].

83301 R(A',x,C')' = R(A,C,x).  [para(83018(a,1),7350(a,1,2)),rewrite([31(3),31(5),1942(5),871(9),16(8),143(9),82781(7)]),flip(a)].

83410 R(A',C,x)' = R(A,C,x).  [back_rewrite(70538),rewrite([83301(6),60046(6)]),flip(a)].

83435 R(A,C,A' * x) = R(A,C,x).  [back_rewrite(38672),rewrite([83301(12)])].

83438 R(A',x,C)' = R(A,x,C).  [back_rewrite(79752),rewrite([83410(6),79187(4)]),flip(a)].

83481 (x / R(x,A,C)) * A = R(A,x,C).  [back_rewrite(73835),rewrite([83438(11)])].

83590 C * R(C',R(A,x,C),R(A',x,C)) = 0.  [para(82612(a,1),2951(a,2,2,3)),rewrite([78460(10),82643(12),82747(8)]),flip(a)].

83591 R(C,R(A,x,C),R(A',x,C)) = C.  [para(82612(a,1),2973(a,1,2,2,3)),rewrite([83590(13),3(3),82612(9)]),flip(a)].

83595 C / R(A,x,C) = R(C * A',x,A).  [para(82612(a,1),15863(a,1,1,2,1)),rewrite([16(7,R),81814(7),80257(7),82612(16),83591(17),107(10),10(11)

]),flip(a)].

83644 (A * C) / R(A,x,C) = R(C,x,A).  [back_rewrite(59145),rewrite([83595(13),80071(15)])].

83959 C' * R(C,x,A) = A * R(A',x,C).  [para(83088(a,1),751(a,1,1,1)),rewrite([82279(8),82887(10),82637(13)])].

84186 R(C,R(A,C,x),R(A',x,C')) = C.  [para(82781(a,1),7347(a,1,3,2)),rewrite([82760(11),82272(11),82781(9)]),flip(a)].

84194 C / R(A,C,x) = R(C * A',A,x).  [para(82781(a,1),15863(a,1,1,2,1)),rewrite([16(8,R),82760(8),82781(16),84186(18),107(10),10(11)]),flip(a

)].

84238 (A * C) / R(A,C,x) = R(C,A,x).  [back_rewrite(60178),rewrite([84194(13),81123(15)])].

84647 A * (x' * R(x,A,C)) = R(A,C,x).  [para(83435(a,1),75755(a,2)),rewrite([2027(5),13(12),28013(10),35(7)])].

85263 R(C,A,x) / (x / R(x,A,C)) = C.  [para(83481(a,1),8967(a,1,1,1)),rewrite([81094(8),27650(13),71395(10)])].

85374 C * R(C',A,x) = A * R(A',x,C).  [para(83644(a,1),43395(a,1,2)),rewrite([83959(6),81814(13),16(11),2061(14),82555(14),78460(14),66291(16

),81180(13)]),flip(a)].

86389 (R(C,A,x) * R(x,A,C)) / x = C.  [para(85263(a,1),826(a,1,1)),rewrite([82453(9)]),flip(a)].

86933 R(C,A,x) * R(x,A,C) = C * x.  [para(86389(a,1),7(a,1,1)),flip(a)].

86990 R(C',A,x) * (C * x) = R(x,A,C).  [para(86933(a,1),10(a,1,2)),rewrite([51662(4)])].

87119 R(x * A,x',C) / R(A,C,x) = x.  [para(79989(a,2),75747(a,1,1))].

87122 x' * R(x * y,y,C) = R(y,x,C').  [para(79989(a,1),75642(a,2,2)),rewrite([16(6,R),82566(7),10(8)]),flip(a)].

87125 R(x,y,C')' * (x * y) = R(y,x,C').  [para(79989(a,1),76200(a,2,2)),rewrite([143(5),87122(11)])].

87127 R(x,y,C') / R(y * x,x,C) = y'.  [para(79989(a,1),76361(a,1,2)),rewrite([143(5),87125(6)])].

87131 x' * (y' * R(y,x,C)) = R(x,y,C)'.  [para(79989(a,1),80867(a,1,1,2)),rewrite([10961(7),87122(6),79962(6),143(10)])].

87233 R(C * (x * y),y,C') = x * (C * y).  [para(20117(a,2),80060(a,1,2)),rewrite([81816(5),39840(12),80937(10)])].

88312 R(R(x,y,C),y / (C' * x),C') = x.  [para(825(a,1),80692(a,1,2)),rewrite([599(4),39692(5),79978(3)])].

88386 x * R(y,x,C') = R(x * y,x',C).  [para(39746(a,1),80829(a,1,1,2)),flip(a)].

88421 R(x,y,C') / y = R(x / y,y,C').  [para(80832(a,1),39747(a,1,1)),flip(a)].

88429 R(x / y,y,C') * R(y,x,C') = x.  [back_rewrite(82579),rewrite([88421(4)])].

88441 R(x * C',y,C)' = C / R(x,y,C).  [para(80853(a,1),831(a,1,1)),rewrite([1243(4),39645(5),38447(14),82182(13),1075(15)])].

88454 R(C / x,C * x,y) = C / R(x,y,C).  [back_rewrite(39645),rewrite([88441(11)])].

88456 C' * R(x,y,C) = R(C' * x,y,C).  [para(80854(a,1),8797(a,1,2)),rewrite([1243(5),39541(7),1243(9),88454(10),112(10),107(9)]),flip(a)].

88550 C * R(x,y,C') = R(C * x,y,C').  [para(6333(a,2),81007(a,2)),rewrite([2598(6),39692(8),81815(6),82566(5),80937(13)])].

88564 x' * (C * (x * y)) = R(C * y,x,C').  [back_rewrite(82566),rewrite([88550(10)])].

90927 R((x * C) * A,x,C) = C * (x * A).  [para(31432(a,1),81816(a,2,2)),rewrite([55697(7)])].

90944 R(x * y,x',C) / R(y,x,C') = x.  [para(79989(a,2),81847(a,1,1))].

91100 C / R(x * C,y,C) = R(x,y,C)'.  [para(16(a,1),82181(a,1,2,1))].

91392 R(R(x,R(C / y,y,x)',C'),y,C) = x.  [para(47155(a,1),82571(a,1,2)),rewrite([39840(9)])].

92675 A * (x * R(x',A,C)) = R(A,C,x').  [para(31(a,1),84647(a,1,2,1))].

92679 R(x,A,x' * R(x,A,C)) = x.  [para(84647(a,1),2293(a,1,2)),rewrite([2061(2),75755(7),80044(4),87119(9)]),flip(a)].

92681 R(x,R(A,C,x),A) = x.  [para(92679(a,1),12026(a,1,1)),rewrite([84647(7)])].

92698 R(A',x,R(A,C,x)) = A'.  [para(92681(a,1),66893(a,1,1,1,2)),rewrite([6(4)])].

92735 x * (A * R(A',x,C)) = R(x,A,C).  [para(92698(a,1),1541(a,1,1,1)),rewrite([31(3),71845(11),73345(9),35(12),71845(16),75748(14)])].

93484 R(C * x,A,C) = x * R(C,x,A).  [para(86990(a,1),3498(a,1,1,2,2)),rewrite([10(6),117(10),66730(8),80186(7),71(13),85374(11),92735(12),818

14(9)]),flip(a)].

93491 (x * C') * R(C,x,A) = R(x,A,C).  [para(93484(a,2),787(a,1)),rewrite([35(5),142(12),49268(11)]),flip(a)].

93495 R(C',x,R(C,x,A)) = C'.  [para(93484(a,2),486(a,1,2)),rewrite([93491(7),82180(9)]),flip(a)].

93605 R(C,x,R(C,x,A)) = C.  [para(93495(a,1),1457(a,2,1)),rewrite([49316(7),10(11),49316(11),98(11),31(8)])].

96097 R(x * A,A,C') = R(x * A,x,C).  [para(7(a,1),90927(a,1,1,1)),rewrite([107(4),39688(7),107(7),24784(11)]),flip(a)].

97894 R(x * A,x',C') = R(x * A,x,C).  [para(96097(a,1),80963(a,2)),rewrite([33(6)])].

97904 x' * R(x * A,x,C) = R(A,x,C).  [para(96097(a,1),81862(a,1,2)),rewrite([33(4),79988(11)])].

99410 R(R(x,y / (C' * x),C'),y,C) = x.  [para(7(a,1),80932(a,1,2))].

99939 (x / y) * R(y * C,x,C') = C * x.  [para(839(a,2),88429(a,1,1,1)),rewrite([39841(8),39747(6),39840(8)])].

103613 x * R(A,C,x') = R(x * A,x,C).  [para(97894(a,1),81007(a,2)),rewrite([1708(4),143(8),44896(7),13(8),92675(7)])].

103615 R(A,C,x') = R(A,x,C).  [para(103613(a,1),10(a,1,2)),rewrite([97904(6)]),flip(a)].

103933 R(C,A,x') = R(C,x,A).  [para(103615(a,2),83644(a,1,2)),rewrite([84238(8)])].

105890 R(C,x,R(C,A,x')) = C.  [para(103933(a,2),93605(a,1,3))].

106759 R(x' * C,C,R(C,A,x)) = C * x'.  [para(105890(a,1),31960(a,1,1,1)),rewrite([31(7),39536(8)])].

110321 R(C * (x * y),x,C) = x * (C * y).  [para(3660(a,2),50479(a,2,2,2)),rewrite([50479(9),76764(11),10(15),10(11)])].

110330 x * (C * (x' * y)) = R(C * y,x,C).  [para(35(a,1),110321(a,1,1,2)),flip(a)].

110335 R(R(x,y,C),x / y,C) = x.  [para(2226(a,1),110321(a,1,1,2)),rewrite([80822(8),35(11),7(7)])].

110344 R(x * y,x,C)' * (x * (C * y)) = C.  [para(110321(a,1),81824(a,1,2))].

110349 R(R(x * y,y,C),x,C) = x * y.  [para(81813(a,2),110321(a,1,1)),rewrite([35(10)])].

110381 R(x,x / y,C') = R(x,y,C).  [para(110335(a,1),39747(a,1,1))].

110393 R(R(x,y,C),C / y,C) = x.  [para(6262(a,1),110335(a,1,1)),rewrite([79988(6),39683(5),33(7),141(6)])].

110406 R(x,x / y,C) = R(x,y,C').  [para(78356(a,1),110335(a,1,1)),rewrite([80873(6)])].

110422 R(x,y',C) = R(x,y,C').  [para(81845(a,1),110335(a,1,1)),rewrite([87127(7)])].

110458 R(x * y,x,C') / R(y,x,C') = x.  [back_rewrite(90944),rewrite([110422(4)])].

110459 x * R(y,x,C') = R(x * y,x,C').  [back_rewrite(88386),rewrite([110422(8)])].

110508 R(x,y',C') = R(x,y,C).  [para(110393(a,1),43417(a,1,1)),rewrite([33(4),39692(8)])].

110524 R(R(x,R(C / y,y,x),C),y,C) = x.  [back_rewrite(91392),rewrite([110508(7)])].

110593 R(R(x,y,C),(C' * x) / y,C) = x.  [para(88312(a,1),110422(a,2)),rewrite([112(7)])].

110637 (x' / y) * R(y,x,C) = R(x',y,C).  [para(110508(a,1),81862(a,1,2))].

110711 R(R(x,y,C),R(x / y,x,C),C) = x.  [para(110381(a,1),78356(a,1,1))].

110816 R(R(x,y / z,C),z / y,C) = x.  [para(138(a,1),110349(a,1,1,1)),rewrite([79988(4),138(10)])].

111001 R(x,R(C / y,y,x),C) = R(x,y,C').  [para(110524(a,1),39747(a,1,1)),flip(a)].

111062 R(R(x',x / y,C)',x * y,C) = x.  [para(29096(a,1),110593(a,1,2)),rewrite([142(8),39688(7)])].

112751 R(C / x',x',R(C,A,x)) = C / x'.  [para(106759(a,1),43383(a,2,2,2,1)),rewrite([509(14),1075(16)])].

115961 x * ((x' / y) * R(C * y,x,C)) = C.  [para(110637(a,1),110344(a,1,1,1,1)),rewrite([110335(7),31(2),81814(6)])].

116229 R(x,y,C') / R(C * x,y,C') = C'.  [para(111001(a,1),82180(a,1,2)),rewrite([38852(5),110422(8),81902(8),40094(6)])].

118263 x * ((x' / y) * R(y * C,x,C)) = C.  [para(16(a,1),115961(a,1,2,2,1))].

119327 x * ((x' / (C' * y)) * R(y,x,C)) = C.  [para(7(a,1),118263(a,1,2,2,1)),rewrite([107(3)])].

119338 (x' / y) * R(C * y,x,C) = x' * C.  [para(118263(a,1),10961(a,2,2)),rewrite([31(6),110422(12),99939(13),110330(7)])].

122469 R(R(x * C,y / x,C'),y,C) = x * C.  [para(76191(a,1),99410(a,1,1,2,2)),rewrite([10(7),1243(5),10(15)])].

122782 R(x * y,x,C') = C * (x * (C' * y)).  [para(2852(a,1),57871(a,1,2)),rewrite([35(5),507(7),479(7),88564(9),35(6),13(13),35(14)])].

123276 R(R(x,x * y,C)',x / y,C) = x'.  [para(10918(a,1),80946(a,1,2,2)),rewrite([110508(5),35(8)])].

123289 R(x,x * y,C)' = R(x',y / x,C).  [para(123276(a,1),110816(a,1,1)),flip(a)].

123308 R(x',y / x,C)' = R(x,x * y,C).  [para(123289(a,1),31(a,1,1))].

125218 x' * R(x,y,C) = y * R(y,x,C)'.  [para(87131(a,1),10(a,1,2)),rewrite([31(2)]),flip(a)].

125221 x * (y * R(y,x,C)') = R(x,y,C).  [para(125218(a,1),10(a,1,2)),rewrite([31(2)])].

128392 C / R(x,y,C) = R(C / x,y,C).  [para(76191(a,1),66719(a,2,2)),rewrite([38366(10),1304(6),559(5),16(10,R),71(12),13(11),65(9),16(7,R),11

0330(10),1075(7)]),flip(a)].

128418 R(x,y,C)' = R(x',y,C).  [back_rewrite(91100),rewrite([128392(6),33(4)]),flip(a)].

128463 x * (y * R(y',x,C)) = R(x,y,C).  [back_rewrite(125221),rewrite([128418(3)])].

128466 x' * R(x,y,C) = y * R(y',x,C).  [back_rewrite(125218),rewrite([128418(7)])].

128467 R(x,x * y,C) = R(x,y,C).  [back_rewrite(123308),rewrite([128418(5),31(2),79978(3)]),flip(a)].

128472 R(R(x,y,C'),x * y,C) = x.  [back_rewrite(111062),rewrite([128418(5),31(2),110406(3)])].

128579 R(C / (x * (y * C)),y,C) = (x * y)'.  [para(81834(a,1),128418(a,1,1)),rewrite([141(9)]),flip(a)].

128664 R(C * x,x * y,C) = R(C * x,y,C).  [para(128467(a,1),81814(a,1,2)),rewrite([81814(4)]),flip(a)].

128726 R(x,x * y,C') = R(x,y,C').  [para(128472(a,1),39747(a,1,1))].

129169 x * (y' * R(y,x,C)) = R(x,y,C').  [para(31(a,1),128463(a,1,2,2,1)),rewrite([110422(8)])].

129173 R(x,y,x' * R(x,y,C)) = x.  [para(128463(a,1),2293(a,1,2)),rewrite([31(3),81007(4),110459(4),110422(7),110458(8),31(3)]),flip(a)].

129196 R(x,y,x * R(x',y,C))' = x'.  [para(129173(a,1),143(a,1)),rewrite([31(3),143(5),128418(4)]),flip(a)].

129478 R(x,y,x * R(x',y,C)) = x.  [para(129196(a,1),31(a,1,1)),rewrite([31(2)]),flip(a)].

129479 R(x',y,x' * R(x,y,C)) = x'.  [para(31(a,1),129478(a,1,3,2,1))].

129794 x * (x * R(x',y,C)) = R(x,y,C').  [para(128466(a,2),12(a,2,2)),rewrite([12(5),129169(10)])].

129795 x * (y' * R(y,x,C')) = R(x,y,C).  [para(128466(a,2),35(a,1,2)),rewrite([110422(4),31(8)])].

129833 R(x',y,y * R(y',x,C)) = x'.  [para(128466(a,1),129479(a,1,3))].

129927 R(x,y,y * R(y',x,C')) = x.  [para(31(a,1),129833(a,1,1)),rewrite([110422(4),31(8)])].

129930 x * (x * R(x',y,C')) = R(x,y,C).  [para(129927(a,1),1580(a,1,1,1)),rewrite([128726(13),1092(13),10943(15),31(2),11274(12),81862(8),110

422(4),129795(6),128726(8)]),flip(a)].

130038 R(x,(C / x) * y,C) = R(x,y,C).  [para(159(a,1),128664(a,1,2)),rewrite([35(5),35(7)]),flip(a)].

130047 R(x,y / (C / x),C) = R(x,y,C).  [para(1088(a,1),130038(a,1,2)),rewrite([79988(6),130038(5),16(7,R),39692(9)]),flip(a)].

130066 R(x,(C / x) / y,C') = R(x,y,C).  [para(130047(a,1),110508(a,2)),rewrite([112(4)])].

130465 R(x,(C / x') / y,C) = R(x,y,C').  [para(130066(a,1),129930(a,1,2,2)),rewrite([129794(5)]),flip(a)].

130919 R(x',(C / x) / y,C) = R(x',y,C').  [para(31(a,1),130465(a,1,2,1,2))].

133677 C * R(C' * x',C,R(C,A,x)) = x'.  [para(112751(a,1),23922(a,2,2,1)),rewrite([107(4),112(16),107(15),35(17)])].

136379 C' * R(x * C,y,C') = R(x,y,C').  [para(116229(a,1),58210(a,1,1))].

137676 C / ((x' / (C' * y)) * R(y,x,C)) = x.  [para(119327(a,1),6(a,1,1))].

137698 R(C * x,y,C) / (y' * C) = x / y'.  [para(119338(a,1),33(a,1,2)),rewrite([112(11)])].

144306 R(x',R(y,x,C),C') = R(x',y,C').  [para(79534(a,1),130919(a,2)),rewrite([110508(7),130919(8)])].

146685 R(C' * x',C,R(C,A,x)) = C' * x'.  [para(133677(a,1),10(a,1,2)),flip(a)].

146722 R(C * (x * (C' * y')),y,C) = x * y'.  [para(133677(a,1),87233(a,2,2)),rewrite([146685(10),146685(16),40094(14),110508(11)])].

150234 C / ((x' / R(y,x,C')) * (y * C)) = x.  [para(122469(a,1),137676(a,1,2,2)),rewrite([136379(11),80963(6)])].

156029 R(R(x / y,y,C),R(y,x,C),C') = x / y.  [para(110711(a,1),144306(a,1,2)),rewrite([128418(4),112(2),39747(6),128418(5),112(3)]),flip(a)].

161714 ((x' / R(y,x,C')) * y)' = R(x,y,C).  [para(150234(a,1),128579(a,1,1)),flip(a)].

163294 R(R(x * y',x,C'),y,C) = x * y'.  [para(122782(a,2),146722(a,1,1))].

168683 (x' / R(y,x,C')) * y = R(x',y,C).  [para(161714(a,1),31(a,1,1)),rewrite([128418(3)]),flip(a)].

170110 R(x,y,C') * y' = R(x * y',y,C').  [para(81812(a,1),163294(a,2)),rewrite([110422(3),110422(8),163294(13),110422(10)])].

172821 R(x' / y,y,C) = x' / R(y,x,C').  [para(168683(a,1),6(a,1,1)),rewrite([79908(4)])].

174822 R(x,y,C') / y' = R(x / y',y,C').  [para(172821(a,1),143(a,2,1)),rewrite([112(3),7(5),110422(5),112(11)]),flip(a)].

177225 x' * (C' * (x * y)) = R(C' * y,x,C).  [para(156029(a,1),751(a,1,1,1)),rewrite([112(2),80058(7),1091(5),461(5,R),461(11,R),88456(11)])]

.

190573 R(x / y',y,C') = (C * x) / (y' * C).  [para(174822(a,1),137698(a,2)),rewrite([88550(5),39746(7)]),flip(a)].

203996 x * (C' * (x' * (C * y))) = R(y,x,C').  [para(190573(a,2),38362(a,1,1)),rewrite([170110(7),7(4),31(5),107(9)]),flip(a)].

216275 C * (x * (C' * (x' * y))) = R(y,x,C').  [para(1273(a,1),203996(a,1,2,2,1)),rewrite([13(16),10(14),1272(13),35(11),40102(15)])].

229772 R(x * R(y,z,C),z,C') = R(x,z,C') * y.  [para(216275(a,1),3322(a,2,1)),rewrite([38363(9),1750(6),461(10,R),481(15),13(14),177225(12),10

(9),216275(11)])].

229789 R(x,A,C) * R(y,A,C) = R(x * y,A,C) # label(non_clause) # label(goal).  [para(38175(a,1),229772(a,1,1,2)),rewrite([110508(6),110508(9),

16(11,R),38246(14)]),flip(a)].

229790 $F.  [resolve(229789,a,20,a)].

 

============================== end of proof ==========================

 

% Proof 1 at 2.40 (+ 0.05) seconds.

% Length of proof is 213.

% Level of proof is 35.

% Maximum clause weight is 27.000.

% Given clauses 327.

 

1 R(x * y,C,A) = R(x,C,A) * R(y,C,A) # label(non_clause) # label(goal).  [goal].

2 0 * x = x.  [assumption].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 A * ((x * y) * A) = (A * x) * (y * A).  [assumption].

15 (A * x) * (y * A) = A * ((x * y) * A).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 R(x,y,z) = ((x * y) * z) / (y * z).  [assumption].

18 ((x * y) * z) / (y * z) = R(x,y,z).  [copy(17),flip(a)].

19 R(x * y,A,C) = R(x,A,C) * R(y,A,C).  [assumption].

20 R(x,A,C) * R(y,A,C) = R(x * y,A,C) # label(non_clause) # label(goal).  [copy(19),flip(a)].

21 R(c1 * c2,C,A) != R(c1,C,A) * R(c2,C,A).  [deny(1)].

22 R(c1,C,A) * R(c2,C,A) != R(c1 * c2,C,A).  [copy(21),flip(a)].

26 x / 0 = x.  [para(3(a,1),6(a,1,1))].

31 0 / x = x'.  [para(8(a,1),6(a,1,1))].

33 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([31(3)])].

34 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

35 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

37 x * (x' * y) = y.  [back_rewrite(4),rewrite([34(1)])].

42 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

43 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

44 x * (y * (x * (x * (y * x))')) = 0.  [para(13(a,1),9(a,1))].

52 (A * x) * A = A * (x * A).  [para(2(a,1),15(a,1,2)),rewrite([3(7)])].

53 (A * ((x * y) * A)) / (y * A) = A * x.  [para(15(a,1),6(a,1,1))].

56 A * ((A' * x) * A) = x * A.  [para(9(a,1),15(a,1,1)),rewrite([2(4)]),flip(a)].

65 C * (x / C) = x.  [para(16(a,2),7(a,1))].

66 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

67 x' * (C * x) = C.  [para(16(a,2),10(a,1,2))].

68 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

71 (x * (x * C)) * y = x * (C * (x * y)).  [para(16(a,1),13(a,1,1,2))].

73 (C * (C * x)) * y = C * (x * (C * y)).  [para(16(a,2),13(a,1,1,2))].

74 C * (x * (y * x)) = x * (y * (x * C)).  [para(16(a,2),13(a,1))].

76 (A * x) * (A * C) = A * ((x * C) * A).  [para(16(a,1),15(a,1,2))].

81 R(x,y,z) * (y * z) = (x * y) * z.  [para(18(a,1),7(a,1,1))].

82 R(x / y,y,z) = (x * z) / (y * z).  [para(7(a,1),18(a,1,1,1)),flip(a)].

85 (x * y') * y = R(x,y',y).  [para(8(a,1),18(a,1,2)),rewrite([26(5)])].

88 (x * y) * y' = R(x,y,y').  [para(9(a,1),18(a,1,2)),rewrite([26(5)])].

89 R(x',x * y,z) = (y * z) / ((x * y) * z).  [para(10(a,1),18(a,1,1,1)),flip(a)].

92 R(x,x,y) = x.  [para(12(a,1),18(a,1,1)),rewrite([6(4)]),flip(a)].

103 (C * (x * y)) / (y * C) = R(x,y,C).  [para(16(a,2),18(a,1,1))].

113 A * R(x,A,C) = R(A * x,A,C).  [para(92(a,1),20(a,1,1))].

114 R(x,A,C) * A = R(x * A,A,C).  [para(92(a,1),20(a,1,2))].

118 x / C = C' * x.  [para(65(a,1),10(a,1,2)),flip(a)].

123 (x / y)' = y / x.  [para(7(a,1),35(a,1,2)),flip(a)].

127 x / (x * C) = C'.  [para(16(a,1),35(a,1,2))].

128 C / (C * x) = x'.  [para(16(a,2),35(a,1,2))].

133 A * (((A' * x) * y) * A) = x * (y * A).  [para(37(a,1),15(a,1,1)),flip(a)].

135 x * (C * x') = C.  [para(16(a,2),37(a,1,2))].

141 C * (x * (C' * x)) = x * x.  [para(66(a,1),13(a,2,2)),rewrite([16(6,R)])].

142 C' * (x * (y * (x * C))) = x * (y * x).  [para(13(a,1),66(a,1,2))].

150 (x / y) * ((y / x) * z) = z.  [para(123(a,1),10(a,1,1))].

151 (x * y) / ((z * x) * y) = R(z,x,y)'.  [para(18(a,1),123(a,1,1)),flip(a)].

153 (C' * x)' = C / x.  [para(118(a,1),123(a,1,1))].

155 R(x',x * y,z) = R(x,y,z)'.  [back_rewrite(89),rewrite([151(7)])].

223 R(C,x,C) = C.  [para(68(a,2),6(a,1,1)),rewrite([103(7)])].

238 (C * x)' = (x * C)'.  [para(68(a,1),128(a,1,2)),rewrite([128(6)]),flip(a)].

244 (C * x)' * (x * C) = 0.  [para(238(a,2),8(a,1,1))].

247 (x * C)' * ((C * x) * y) = y.  [para(238(a,1),10(a,1,1))].

248 (C * x)' * ((x * C) * y) = y.  [para(238(a,2),10(a,1,1))].

263 (C * (C * x))' = (C * (x * C))'.  [para(68(a,1),238(a,1,1)),rewrite([16(9,R)]),flip(a)].

272 C * (x * ((C * x)' * x)) = x.  [para(244(a,1),13(a,2,2)),rewrite([16(7,R),3(9)])].

353 (A' * x) * A = A' * (x * A).  [para(56(a,1),10(a,1,2)),flip(a)].

356 R(x,A',A) = x.  [para(13(a,1),56(a,1,2)),rewrite([8(7),3(5),37(5),85(5)]),flip(a)].

361 R(x,y',y) / y = x * y'.  [para(85(a,1),6(a,1,1))].

369 C * (x * C') = R(x,C',C).  [para(85(a,1),16(a,2))].

392 (C * x) * C' = R(x,C,C').  [para(16(a,2),88(a,1,1))].

435 (x * (C' * x))' = C / (x * x).  [para(141(a,1),128(a,1,2)),flip(a)].

492 (C * x) * y = (x * C) * y.  [para(248(a,1),10(a,1,2)),rewrite([33(4)])].

503 (C * x)' * R(x,C,C') = C'.  [para(88(a,1),248(a,1,2))].

538 x * ((C * x)' * x) = C' * x.  [para(272(a,1),10(a,1,2)),flip(a)].

556 x / A = x * A'.  [para(356(a,1),361(a,1,1))].

561 R(x,A,A') = x.  [para(556(a,1),6(a,1)),rewrite([88(5)])].

562 (x * A')' = A / x.  [para(556(a,1),123(a,1,1))].

612 A' * R(A * x,A,C) = R(x,A,C).  [para(113(a,1),10(a,1,2))].

622 R(x * A,A,C) * A' = R(x,A,C).  [para(114(a,1),6(a,1,1)),rewrite([556(7)])].

630 R(x / y,y,z) = R(y / x,x,z)'.  [para(7(a,1),155(a,1,2)),rewrite([123(2)])].

635 R(x',C * x,y) = R(x,C,y)'.  [para(16(a,2),155(a,1,2))].

712 (C * x)' * x = x' * (C' * x).  [para(538(a,1),10(a,1,2)),flip(a)].

720 (C * x) * ((C * (x * C))' * (C * x)) = x.  [para(68(a,1),538(a,1,2,1,1)),rewrite([10(16)])].

729 C' * A' = A' * C'.  [para(562(a,1),538(a,1,2,1)),rewrite([118(5),88(9),561(8)]),flip(a)].

734 C' * A = A * C'.  [para(729(a,1),15(a,2,2,1)),rewrite([8(8),3(6),353(12),37(13)]),flip(a)].

759 (A * x) * (A * C') = A * ((x * C') * A).  [para(734(a,1),15(a,1,2))].

779 x * (y * (y * (x * y))') = y'.  [para(44(a,1),10(a,1,2)),rewrite([3(3)]),flip(a)].

806 x * (x * (y * x))' = y' * x'.  [para(779(a,1),10(a,1,2)),flip(a)].

861 R(x,y,C) * (C * y) = C * (x * y).  [para(16(a,2),81(a,1,2)),rewrite([16(8,R)])].

940 R(C / x,x,y) = (y * C) / (x * y).  [para(16(a,1),82(a,2,1))].

996 x / A' = x * A.  [para(82(a,1),356(a,1)),rewrite([8(6),26(4)]),flip(a)].

1019 (x * y) / (A * y) = R(x * A',A,y).  [para(556(a,1),82(a,1,1)),flip(a)].

1112 R(C',x,C) = C'.  [para(37(a,1),103(a,1,1)),rewrite([127(3)]),flip(a)].

1113 (C * C) / (C * (C * x)) = R(x,C,C)'.  [para(67(a,1),103(a,1,1,2)),rewrite([16(7,R),635(13)])].

1138 C' * R(x,A,C) = R(C' * x,A,C).  [para(1112(a,1),20(a,1,1))].

1165 R(C * A',A,C) = C * A'.  [para(135(a,1),612(a,1,2,1)),rewrite([223(6),16(4,R)]),flip(a)].

1175 R(x,A,C) * A' = R(x * A',A,C).  [para(7(a,1),622(a,1,1,1)),rewrite([556(8)])].

1236 (x / y) * x' = x * (x * y)'.  [para(7(a,1),806(a,1,2,1,2)),rewrite([123(5)]),flip(a)].

1237 (x * (y * x))' = x' * (y' * x').  [para(806(a,1),10(a,1,2)),flip(a)].

1287 R(x,C,C') = x.  [back_rewrite(720),rewrite([1237(7),13(12),10(10),8(6),3(6),392(5)])].

1291 C / (x * x) = x' * (C * x').  [back_rewrite(435),rewrite([1237(5),33(4)]),flip(a)].

1293 (C * (C * x))' = C' * (x' * C').  [back_rewrite(263),rewrite([1237(10)])].

1307 x' * (C' * x) = C'.  [back_rewrite(503),rewrite([1287(7),712(4)])].

1340 C' * x = x * C'.  [para(1307(a,1),10(a,1,2)),rewrite([33(2)]),flip(a)].

1368 R(x,C',C) = x.  [para(1340(a,1),10(a,1,2)),rewrite([33(3),369(5)])].

1379 (C' * (x * y)) / (C' * y) = R(x,y,C').  [para(1340(a,2),18(a,1,2)),rewrite([1340(4,R)])].

1381 (x * C')' = C / x.  [para(1340(a,1),153(a,1,1))].

1398 (C' * x) * y = (x * C') * y.  [para(1340(a,1),81(a,2,1)),rewrite([81(5)])].

1399 R(x,y,C') * (C' * y) = C' * (x * y).  [para(1340(a,2),81(a,1,2)),rewrite([1340(11,R)])].

1419 C * (x * C') = x.  [back_rewrite(369),rewrite([1368(9)])].

1424 x / C' = x * C.  [para(1368(a,1),82(a,1)),rewrite([16(9,R),9(9),26(7)])].

1432 (x * C)' = C' / x.  [para(1424(a,1),123(a,1,1))].

1436 (C' / x) * ((x * C) * y) = y.  [para(1424(a,1),150(a,1,2,1))].

1497 (C' / x) * ((C * x) * y) = y.  [back_rewrite(247),rewrite([1432(3)])].

1500 (C * x)' = C' / x.  [back_rewrite(238),rewrite([1432(6)])].

1546 C' / (C * x) = C' * (x' * C').  [back_rewrite(1293),rewrite([1500(5)])].

1802 R(x,C' * y,C) * y = C * (x * (C' * y)).  [para(37(a,1),861(a,1,2))].

1827 (C * A') * R(x,A,C) = R((C * A') * x,A,C).  [para(940(a,1),20(a,1,1)),rewrite([1019(7),1165(7),556(11)])].

1844 (x * C) / (y * x) = R(C' * y,C,x)'.  [para(940(a,1),630(a,1)),rewrite([118(6)])].

1853 R(C' * x,C,C)' * (C * x) = C * C.  [para(940(a,1),861(a,1,1)),rewrite([1844(6),7(14)])].

1883 x * ((x * y)' * x) = x / y.  [para(8(a,1),42(a,1,1,2)),rewrite([3(2)]),flip(a)].

1884 (x * y) / x' = x * (y * x).  [para(9(a,1),42(a,1,1,2,2)),rewrite([3(2)])].

1898 (C * C) / x = C * (x' * C).  [para(67(a,1),42(a,1,1,2))].

1964 R(x,C,C)' = x'.  [back_rewrite(1113),rewrite([1898(8),1500(6),1546(6),16(10,R),37(10),1419(6)]),flip(a)].

1968 (C / x) * (C * x) = C * C.  [back_rewrite(1853),rewrite([1964(7),153(4)])].

1996 (x * y)' * x = x' * (x / y).  [para(1883(a,1),10(a,1,2)),flip(a)].

1997 x' / (x * y) = x' * (y' * x').  [para(10(a,1),1883(a,1,2,1,1)),flip(a)].

2004 x / (x' * y) = x * (y' * x).  [para(37(a,1),1883(a,1,2,1,1)),flip(a)].

2028 (x * y) * x' = x * (y / x).  [para(1883(a,1),1236(a,2,2,1)),rewrite([1996(3),2004(4),123(2),7(2),123(5)])].

2039 (x * C) * (C / x) = C * C.  [para(1883(a,1),1968(a,1,2)),rewrite([1500(4),16(6,R),128(7),123(4),1424(3)])].

2046 x * (C * (C * x')) = C * C.  [para(12(a,1),2039(a,1,1)),rewrite([1291(6),71(9),37(7)])].

2111 ((x * C) * y) / (C' / x) = (C * x) * (y * (C * x)).  [para(492(a,1),1884(a,1,1)),rewrite([1500(6)])].

2145 x / (C * C) = C' * (x * C').  [para(1898(a,1),123(a,1,1)),rewrite([1237(6),33(4)]),flip(a)].

2168 (x' * y) * x = x' * (y / x').  [para(33(a,1),2028(a,1,2))].

2201 x * (C * y) = x * (y * C).  [para(1436(a,1),2028(a,1,1)),rewrite([123(4),1424(3),2111(13),1497(13)]),flip(a)].

2218 (x / (y * C)) * (C * y) = x.  [para(2201(a,2),7(a,1))].

2255 (C' * x) * (C * y) = (x * C') * (y * C).  [para(2201(a,1),1398(a,2))].

2433 A * ((C * (A' * (C * x))) * A) = C * (C * (x * A)).  [para(2046(a,1),15(a,1,1)),rewrite([12(6),73(14)]),flip(a)].

2556 C' * (x * C') = x * (C' * C').  [para(2046(a,1),2004(a,1,2)),rewrite([2145(4),33(10),1500(11),1997(11),13(14),1307(13)])].

2649 (A * x) * (A' * (y * A)) = A * ((x * (A' * y)) * A).  [para(2168(a,1),15(a,1,2)),rewrite([996(7)])].

2689 (x / y) * (y * z) = y' * ((y * x) * z).  [para(43(a,1),10(a,1,2)),flip(a)].

2690 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(10(a,1),43(a,1,2,2)),flip(a)].

2701 (x * y) * (x' * z) = x * ((y / x) * z).  [para(37(a,1),43(a,1,2,2)),flip(a)].

2702 (C' * x) * (y * C) = C' * ((x * C) * y).  [para(66(a,1),43(a,1,2,2)),rewrite([1424(5)]),flip(a)].

2790 (x * C') * (y * C) = C' * ((x * C) * y).  [back_rewrite(2255),rewrite([2690(6),1424(5)]),flip(a)].

2796 A * ((x * (A' * y)) * A) = A * ((x * A') * (y * A)).  [back_rewrite(2649),rewrite([2701(8),556(3)]),flip(a)].

2819 A * ((C * A') * ((C * x) * A)) = C * (C * (x * A)).  [back_rewrite(2433),rewrite([2796(11)])].

2845 (A * (x * A)) / (y * A) = A * (x / y).  [para(7(a,1),53(a,1,1,2,1))].

3647 A * ((C * A') * (x * A)) = x * (A * C).  [para(37(a,1),76(a,1,1)),rewrite([16(10,R),2796(13)]),flip(a)].

3661 ((A * x) * (y * (A * ((x * C) * A)))) / (A * C) = (A * x) * (y * (A * x)).  [para(76(a,1),42(a,1,1,2,2))].

3671 (C * x) * (A * C) = C * (C * (x * A)).  [back_rewrite(2819),rewrite([3647(11)])].

4139 R((x / y) * A',A,y) = x / (A * y).  [para(7(a,1),1019(a,1,1)),flip(a)].

4146 (C * x) / (A * C) = R(x * A',A,C).  [para(16(a,2),1019(a,1,1))].

4659 C * (x * (C' * C')) = x * C'.  [para(2556(a,1),10(a,1,2)),rewrite([33(3)])].

4664 (x * (C' * C')) * y = C' * (x * (C' * y)).  [para(2556(a,1),13(a,1,1))].

4747 (A * C) * (C' * (x * (A * C'))) = A * ((x * C') * A).  [para(4659(a,1),15(a,2,2,1)),rewrite([4664(11),1340(9)])].

5100 (A * (x * A)) / y = A * (x / (y * A')).  [para(7(a,1),2845(a,1,2)),rewrite([556(8)])].

5346 C * (C * ((C' * x) * A)) = x * (A * C).  [para(37(a,1),3671(a,1,1)),flip(a)].

5384 C' * ((x * C) * A) = C * (x * (A * C')).  [para(4659(a,1),3671(a,1,1)),rewrite([2790(7),4664(17),1340(15),37(18)])].

5399 (x / (A * C)) * A = R(C' * x,A,C).  [para(4139(a,1),114(a,1,1)),rewrite([118(8),85(14),356(13)])].

5591 (x * (A' * y)) * A = (x * A') * (y * A).  [para(13(a,1),133(a,1,2,1)),rewrite([2168(10),996(10),37(11)])].

5594 ((x * A) * y) * A = x * (A * (y * A)).  [para(52(a,1),133(a,2,2)),rewrite([2690(7),996(6),2168(9),996(9),37(10)])].

5601 A * ((A' * C') * (x * A)) = x * (A * C').  [para(1340(a,1),133(a,2,2)),rewrite([1340(7,R),5591(9),1340(6)])].

5610 R(A * (C * ((A' * C') * x)),A,C) = x.  [para(2218(a,1),133(a,2)),rewrite([16(10,R),5591(12),5399(11),1827(12),2701(9),118(6),1340(7),113

(13)])].

5687 (x * (A * (y * A))) * A' = (x * A) * y.  [para(5594(a,1),6(a,1,1)),rewrite([556(7)])].

5695 (A * x) * (y * (A * (z * A))) = A * ((x * ((y * A) * z)) * A).  [para(5594(a,1),15(a,1,2))].

5752 (A * x) * (y * (A * x)) = A * (x * ((y * A) * x)).  [back_rewrite(3661),rewrite([5695(10),5100(14),2028(13),556(11),135(13),118(9),142(1

0)]),flip(a)].

6086 (x * A) * (A' * y) = A * ((A' * x) * y).  [para(996(a,1),2689(a,1,1)),rewrite([33(9)])].

6091 (x * C) * (y * C') = C * ((C' * x) * y).  [para(1340(a,1),2689(a,1,2)),rewrite([1424(3),33(9)])].

6092 (x * C) * (C' * y) = C * ((x * C') * y).  [para(1340(a,1),2689(a,2,2,1)),rewrite([1424(3),33(9)])].

6214 C * (A * (C' * (C' * (x * A)))) = A * ((x * C') * A).  [back_rewrite(4747),rewrite([6092(12),5752(11),1340(9,R)])].

6270 (C * x) * (y * C') = C * ((C' * x) * y).  [para(1340(a,1),2701(a,1,2)),rewrite([118(9)])].

6926 C' * (x * (A * C)) = C * ((C' * x) * A).  [para(5346(a,1),10(a,1,2))].

7038 R(x * (A * (C * ((A' * C') * y))),A,C) = R(x,A,C) * y.  [para(5610(a,1),20(a,1,2)),flip(a)].

7039 R(A * (C * x),A,C) = (A * C) * x.  [para(37(a,1),5610(a,1,1,2,2)),rewrite([1381(13),996(11),16(10)])].

7054 C * ((A * C') * x) = R(A * x,A,C).  [para(37(a,1),7039(a,1,1,2)),rewrite([6092(12)]),flip(a)].

7088 C * (A * ((A' * C') * x)) = R(x,A,C).  [para(37(a,1),7054(a,2,1)),rewrite([2701(9),556(6),1340(7)])].

7117 C * (A * ((x * C') * A)) = R(A * (x * A),A,C).  [para(74(a,2),7054(a,1,2)),rewrite([5752(12),1340(10,R),6214(13),16(16,R),1419(16)])].

7160 (x * (y * A)) * A' = A * ((A' * x) * y).  [para(2168(a,1),5687(a,1,1,2,2)),rewrite([996(6),37(7),6086(12)])].

7199 A * ((A' * C') * x) = R(C' * x,A,C).  [para(7088(a,1),10(a,1,2)),rewrite([1138(6)]),flip(a)].

7235 R(C' * (x * A),A,C) = x * (A * C').  [back_rewrite(5601),rewrite([7199(10)])].

7244 R(C * (x * (A * C')),A,C) = C * ((C' * x) * A).  [para(492(a,1),7235(a,1,1,2)),rewrite([5384(7),6270(17)])].

7338 R(A * x,A * C',C) = R(A * x,A,C).  [para(759(a,1),103(a,1,1,2)),rewrite([7117(9),16(13,R),1419(13),556(9),1175(10),2028(7),556(5),88(6),

561(5)]),flip(a)].

7363 R(x,A * C',C) = R(x,A,C).  [para(37(a,1),7338(a,1,1)),rewrite([37(11)])].

7465 R(R(x,A,C),A,C') = x.  [para(114(a,1),1379(a,1,1,2)),rewrite([1138(8),7235(8),1340(9),6(10)]),flip(a)].

7547 R(x,y * C,C') * y = C' * (x * (y * C)).  [para(66(a,1),1399(a,1,2))].

8787 (C * ((C' * x) * y)) / y = R(x,C,y * C').  [para(6091(a,1),18(a,1,1)),rewrite([1419(11)])].

8998 A * (C * ((A' * C') * x)) = R(x,A * C,C').  [para(6926(a,1),1379(a,1,1)),rewrite([66(13),556(9),7160(10),16(5,R),2701(9),118(6),1340(7)]

)].

9011 R(x * R(y,A * C,C'),A,C) = R(x,A,C) * y.  [back_rewrite(7038),rewrite([8998(10)])].

10072 R(R(x * A,A,C),A,C) = C * ((C' * x) * A).  [para(1802(a,1),114(a,2,1)),rewrite([1340(4),7363(6),114(8),114(5),1340(13),7244(18)])].

10076 C * (x * (A * C')) = R(x * A,A,C).  [para(1802(a,1),996(a,2)),rewrite([1340(4),7363(6),996(6),114(5),1340(10)]),flip(a)].

10218 C' * ((x * C) * A) = R(x * A,A,C).  [back_rewrite(5384),rewrite([10076(14)])].

11276 R(R(x,y * C,C'),y,C) = x.  [para(7547(a,1),103(a,1,1,2)),rewrite([37(8),6(6)]),flip(a)].

11317 R(x,A * C,C') = R(x,A,C').  [para(11276(a,1),7465(a,1,1)),flip(a)].

11329 R(x * R(y,A,C'),A,C) = R(x,A,C) * y.  [back_rewrite(9011),rewrite([11317(6)])].

11427 C * ((C' * x) * A) = R(x,A,C') * A.  [para(11317(a,1),81(a,1,1)),rewrite([1340(10,R),66(10),1340(13,R),6926(13)]),flip(a)].

11437 R(R(x * A,A,C),A,C) = R(x,A,C') * A.  [back_rewrite(10072),rewrite([11427(15)])].

11499 C * (R(x,A,C') * A) = x * (A * C).  [back_rewrite(5346),rewrite([11427(8)])].

11539 R(R(x,A,C) * y,A,C') = x * R(y,A,C').  [para(11329(a,1),7465(a,1,1))].

11601 R(R(x,A,C),A,C) = R(x,C,A).  [para(8787(a,1),4146(a,1)),rewrite([1340(7,R),66(7),2702(10),10218(10),1175(11),88(8),561(7)]),flip(a)].

11625 R(x,A,C') * A = R(x * A,C,A).  [back_rewrite(11437),rewrite([11601(8)]),flip(a)].

11638 C * R(x * A,C,A) = x * (A * C).  [back_rewrite(11499),rewrite([11625(7)])].

11763 R(x,C,A) * A = R(x * A,C,A).  [para(11601(a,1),114(a,1,1)),rewrite([114(10),11601(13)])].

11776 R(R(x,C,A),A,C) = R(R(x,A,C),C,A).  [para(11601(a,1),11601(a,1,1))].

11804 R(R(x,A,C),C,A) = x.  [para(11763(a,1),103(a,1,1,2)),rewrite([11638(7),6(8),11776(6)]),flip(a)].

11899 R(x,C,A) = R(x,A,C').  [para(11276(a,1),11804(a,1,1)),rewrite([11317(9)])].

12084 R(c1,A,C') * R(c2,A,C') != R(c1 * c2,A,C').  [back_rewrite(22),rewrite([11899(4),11899(9),11899(17)])].

12319 R(x,A,C') * R(y,A,C') = R(x * y,A,C').  [para(11276(a,1),11539(a,1,1,1)),rewrite([11317(11)]),flip(a)].

12320 $F.  [resolve(12319,a,12084,a)].

 

============================== end of proof ==========================

 

% Proof 1 at 0.16 (+ 0.00) seconds.

% Length of proof is 143.

% Level of proof is 22.

% Maximum clause weight is 25.000.

% Given clauses 101.

 

1 L(x * y,C,A) = L(x,C,A) * L(y,C,A) # label(non_clause) # label(goal).  [goal].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 C * ((x * y) * C) = (C * x) * (y * C).  [assumption].

15 (C * x) * (y * C) = C * ((x * y) * C).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 L(x,y,z) = (z * y)' * (z * (y * x)).  [assumption].

18 (x * y)' * (x * (y * z)) = L(z,y,x).  [copy(17),flip(a)].

19 L(c1 * c2,C,A) != L(c1,C,A) * L(c2,C,A).  [deny(1)].

20 L(c1,C,A) * L(c2,C,A) != L(c1 * c2,C,A).  [copy(19),flip(a)].

21 (C * x) * (y * C) = C * (C * (x * y)).  [back_rewrite(15),rewrite([16(9,R)])].

30 0 / x = x'.  [para(8(a,1),6(a,1,1))].

32 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([30(3)])].

33 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

34 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

36 x * (x' * y) = y.  [back_rewrite(4),rewrite([33(1)])].

41 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

42 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

44 (x * (y * x))' * (x * (y * (x * z))) = z.  [para(13(a,1),10(a,1,2))].

49 (x * (y * (z * (y * x)))) * u = x * (y * (z * (y * (x * u)))).  [para(13(a,1),13(a,1,1,2)),rewrite([13(9)])].

53 C * (x / C) = x.  [para(16(a,2),7(a,1))].

54 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

55 x' * (C * x) = C.  [para(16(a,2),10(a,1,2))].

56 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

58 C * (x * x) = x * (C * x).  [para(16(a,2),12(a,2,2)),rewrite([16(3,R)])].

68 x' * ((x / y) * (y * z)) = L(z,y,x / y).  [para(7(a,1),18(a,1,1,1))].

75 L(x',x,y) = (y * x)' * y.  [para(9(a,1),18(a,1,2,2)),rewrite([3(4)]),flip(a)].

76 (x * y) * L(z,y,x) = x * (y * z).  [para(18(a,1),10(a,1,2)),rewrite([32(3)])].

77 x' * (y' * ((y * x) * z)) = L(z,y * x,y').  [para(10(a,1),18(a,1,1,1))].

84 (x * C)' * (C * (x * y)) = L(y,x,C).  [para(16(a,1),18(a,1,1,1))].

109 x / C = C' * x.  [para(53(a,1),10(a,1,2)),flip(a)].

112 (x * C)' * (x * y) = L(C' * y,C,x).  [para(53(a,1),18(a,1,2,2)),rewrite([109(7)])].

116 (x / y)' = y / x.  [para(7(a,1),34(a,1,2)),flip(a)].

120 C / (C * x) = x'.  [para(16(a,2),34(a,1,2))].

135 (x * C')' * (x * y) = L(y * C,C',x).  [para(54(a,1),18(a,1,2,2))].

146 (C' * x)' = C / x.  [para(109(a,1),116(a,1,1))].

168 (C * x)' = (x * C)'.  [para(56(a,1),120(a,1,2)),rewrite([120(6)]),flip(a)].

196 (C * (x * x))' * (x * ((C * x) * y)) = L(y,C * x,x).  [para(58(a,2),18(a,1,1,1))].

207 (C * (x * x))' = (x * (C * x))'.  [para(58(a,1),168(a,1,1)),rewrite([16(7,R)]),flip(a)].

210 L(x',x,y) / y = (y * x)'.  [para(75(a,2),6(a,1,1))].

221 (C * x)' * x = L(C',C,x).  [para(16(a,2),75(a,2,1,1)),flip(a)].

228 x / L(y',y,x) = x * y.  [para(75(a,2),34(a,1,2)),rewrite([32(6)])].

235 L(x',x,C') = (C / x) * C'.  [para(146(a,1),75(a,2,1))].

279 (C * (x * C))' * (C * x) = L(C',C,C * x).  [para(56(a,1),221(a,1,1,1))].

336 (x * (y * z))' * (x * (y * (z * u))) = L(L(u,z,y),y * z,x).  [para(76(a,1),18(a,1,2,2))].

341 C * L(x,C * y,y') = y' * ((C * y) * x).  [para(55(a,1),76(a,1,1))].

347 L(x',x,y) * L(z,y,(y * x)') = (y * x)' * (y * z).  [para(75(a,2),76(a,1,1))].

357 L(L(x,y,z),z * y,y) = x.  [back_rewrite(44),rewrite([336(7)])].

367 L(L(x,y * C,C'),y,y * C) = x.  [para(54(a,1),357(a,1,2))].

380 L(x,y * (z * y),z * y) = L(x,y,z).  [para(357(a,1),357(a,1,1))].

385 L(L(x,C * y,C'),y,y * C) = x.  [para(16(a,2),367(a,1,1,2))].

395 x * ((x * y)' * x) = x / y.  [para(8(a,1),41(a,1,1,2)),rewrite([3(2)]),flip(a)].

396 (x * y) / x' = x * (y * x).  [para(9(a,1),41(a,1,1,2,2)),rewrite([3(2)])].

420 x * L(y',y,x) = x / y.  [para(75(a,2),41(a,2,2)),rewrite([41(6),395(4)]),flip(a)].

432 L(x',x,y) = y' * (y / x).  [para(420(a,1),10(a,1,2)),flip(a)].

464 x' / (x * y) = x' * (y' * x').  [para(10(a,1),395(a,1,2,1,1)),flip(a)].

514 x' * ((C * x) * x') = C / x.  [para(55(a,1),396(a,1,1)),rewrite([32(3)]),flip(a)].

515 (x * (y * x))' = x' * (y' * x').  [para(396(a,1),116(a,1,1)),rewrite([464(6)])].

530 C' * (C' * (C / x)) = C' / x.  [para(235(a,2),396(a,2,2)),rewrite([32(8),109(7),420(15)])].

546 L(C',C,C * x) = C'.  [back_rewrite(279),rewrite([515(5),13(10),10(8),8(4),3(4)]),flip(a)].

550 (C * (x * x))' = x' * (C' * x').  [back_rewrite(207),rewrite([515(8)])].

558 L(x,C * y,C') = L(x,C * y,y).  [back_rewrite(196),rewrite([550(4),13(11),10(9),77(8)])].

576 L(C',C,x) = C'.  [para(36(a,1),546(a,1,3))].

599 x / C' = x * C.  [para(576(a,1),228(a,1,2))].

600 (x * C)' = C' / x.  [para(576(a,1),210(a,1,1)),flip(a)].

603 C' * x = x * C'.  [para(576(a,1),420(a,1,2)),rewrite([109(5)]),flip(a)].

627 (C' / x) * (x * y) = L(C' * y,C,x).  [back_rewrite(112),rewrite([600(3)])].

628 (C' / x) * (C * (x * y)) = L(y,x,C).  [back_rewrite(84),rewrite([600(3)])].

707 (C' * (C' * x)) * y = C' * (x * (C' * y)).  [para(603(a,2),13(a,1,1,2))].

714 x * (C' * x') = C'.  [para(603(a,2),36(a,1,2))].

715 (x * C')' = C / x.  [para(603(a,1),146(a,1,1))].

724 (C / x) * (x * y) = L(y * C,C',x).  [back_rewrite(135),rewrite([715(4)])].

740 (C * x) * x' = C.  [para(714(a,1),21(a,2,2,2)),rewrite([16(8,R),36(8),9(9),3(7)])].

742 (C' * x) * (C' * (C / x)) = C'.  [para(146(a,1),714(a,1,2,2))].

751 C / x = x' * C.  [back_rewrite(514),rewrite([740(5)]),flip(a)].

753 (C' * x) * x' = C'.  [back_rewrite(742),rewrite([751(7),54(9)])].

763 (x' * C) * (x * y) = L(y * C,C',x).  [back_rewrite(724),rewrite([751(2)])].

778 C' / x = C' * x'.  [back_rewrite(530),rewrite([751(6),54(8)]),flip(a)].

853 (C' * x') * (C * (x * y)) = L(y,x,C).  [back_rewrite(628),rewrite([778(3)])].

854 (C' * x') * (x * y) = L(C' * y,C,x).  [back_rewrite(627),rewrite([778(3)])].

892 C * L(x,y',C * y) = (C * y) * (y' * x).  [para(740(a,1),76(a,1,1))].

900 (C' * x') * x = C'.  [para(32(a,1),753(a,1,2))].

907 C' * L(x,y,C' * y') = L(C' * x,C,y).  [para(900(a,1),76(a,1,1)),rewrite([854(14)])].

922 L(x',x,y) * L(z,y / x,y') = y' * ((y / x) * z).  [para(432(a,2),76(a,1,1))].

944 (x' * y) * x = x' * (y / x').  [para(8(a,1),42(a,1,2,2)),rewrite([3(5)]),flip(a)].

945 (x * y) * x' = x * (y / x).  [para(9(a,1),42(a,1,2,2)),rewrite([3(3)]),flip(a)].

946 (x / y) * (y * z) = y' * ((y * x) * z).  [para(42(a,1),10(a,1,2)),flip(a)].

947 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(10(a,1),42(a,1,2,2)),flip(a)].

961 (x * y) * (x' * z) = x * ((y / x) * z).  [para(36(a,1),42(a,1,2,2)),flip(a)].

992 L(x,y * z,y') = L(x,y,z / y).  [back_rewrite(68),rewrite([946(4),77(6)])].

994 L(x,y,y' * C) = L(x,y,C).  [back_rewrite(853),rewrite([947(8),599(6),947(7),751(6),32(5),77(8),992(4),751(2)])].

996 x' * ((x * C) * y) = L(y * C,C',x).  [back_rewrite(763),rewrite([947(5),751(4),32(3)])].

1009 L(x,C * y,y) = L(x,C,C' * y).  [back_rewrite(558),rewrite([992(5),109(3)]),flip(a)].

1010 L(L(x,C,C' * y),y,y * C) = x.  [back_rewrite(385),rewrite([992(5),109(3)])].

1015 x' * (y' * ((y * x) * z)) = L(z,y,x / y).  [back_rewrite(77),rewrite([992(9)])].

1026 L(x,y / z,z) = L(x,z',z * y).  [para(945(a,1),18(a,1,1,1)),rewrite([961(7),18(7)])].

1036 L(L(x,y',y * z),y,(z / y) / y) = x.  [para(945(a,1),357(a,1,2)),rewrite([992(7)])].

1044 L(x,y,C * y') = L(x,y,C).  [para(16(a,2),994(a,1,3))].

1046 L(x,y',y * C) = L(x,y',C).  [para(32(a,1),994(a,1,3,1))].

1048 C * L(x,y,C) = L(x * C,C',y).  [para(994(a,1),76(a,1,2)),rewrite([944(4),751(4),32(3),10(4),947(9),751(8),32(7),996(9)])].

1054 L(x,y',C * y) = L(x,y',C).  [para(32(a,1),1044(a,1,3,2))].

1058 (C * x) * (x' * y) = L(y * C,C',x').  [back_rewrite(892),rewrite([1054(5),1048(5)]),flip(a)].

1088 L(x,y / z,z / (y / z)) = L(x,y,z / y).  [para(7(a,1),992(a,1,2)),rewrite([116(2)]),flip(a)].

1091 L(x,y',y * (z * y)) = L(x,z,y).  [para(10(a,1),992(a,1,2)),rewrite([32(2),396(5)]),flip(a)].

1095 L(x,C * y,y') = L(x,y,C).  [para(16(a,2),992(a,1,2)),rewrite([751(6),994(8)])].

1103 L(x,y / z,y') = L(x,y,(y * z)').  [para(210(a,1),992(a,2,3)),rewrite([420(3)])].

1120 x' * ((C * x) * y) = L(y * C,C',x).  [back_rewrite(341),rewrite([1095(5),1048(4)]),flip(a)].

1128 (x * y)' * (x * z) = x' * ((x / y) * z).  [back_rewrite(922),rewrite([1103(5),347(6)])].

1159 L(x,y,z / y) = L(x,y,z).  [back_rewrite(18),rewrite([1128(5),946(4),1015(6)])].

1172 L(x,y',y * z) = L(x,z,y).  [back_rewrite(1088),rewrite([1159(4),1026(2),1159(5)])].

1173 L(L(x,y,z),z,y) = x.  [back_rewrite(1036),rewrite([1172(3),1159(4),1159(3)])].

1188 L(x,y * z,z) = L(x,y,z).  [back_rewrite(1091),rewrite([1172(4)])].

1190 L(x,y',C) = L(x,C,y).  [back_rewrite(1046),rewrite([1172(4)]),flip(a)].

1194 L(x,C,C' * y) = L(x,C,y).  [back_rewrite(1009),rewrite([1188(3)]),flip(a)].

1198 L(x,y,z * y) = L(x,y,z).  [back_rewrite(380),rewrite([1188(4)])].

1209 L(L(x,C,y),y,y * C) = x.  [back_rewrite(1010),rewrite([1194(5)])].

1223 L(x,C,y') = L(x,y,C).  [para(32(a,1),1190(a,1,2)),flip(a)].

1235 L(x,C',y * C) = L(x,C',y).  [para(599(a,1),1159(a,1,3))].

1236 L(x,y,C' * y') = L(x,y,C').  [para(778(a,1),1159(a,1,3))].

1241 C' * L(x,y,C') = L(C' * x,C,y).  [back_rewrite(907),rewrite([1236(7)])].

1248 L(x,y,y' * z) = L(x,z,y').  [para(36(a,1),1188(a,1,2)),rewrite([1198(3)]),flip(a)].

1249 L(x,y,y * C) = L(x,C',y).  [para(54(a,1),1188(a,1,2)),rewrite([1235(8)])].

1262 L(x,C,y) = L(x,y,C').  [back_rewrite(1194),rewrite([1248(5)]),flip(a)].

1263 L(L(x,C,y),C',y) = x.  [back_rewrite(1209),rewrite([1249(5)])].

1272 L(c1,C,A) * L(c2,A,C') != L(c1 * c2,C,A).  [para(1262(a,1),20(a,1,2))].

1283 L(x,y',C) = L(x,y,C').  [para(1262(a,1),1190(a,2))].

1290 L(x,C',y) = L(x,y,C).  [para(1173(a,1),1263(a,1,1))].

1295 L(x,C',y) = L(x,C,y').  [para(1290(a,2),1223(a,2)),flip(a)].

1308 x' * ((C * x) * y) = L(y * C,C,x').  [back_rewrite(1120),rewrite([1295(10)])].

1314 (C * x) * (x' * y) = L(y * C,C,x).  [back_rewrite(1058),rewrite([1295(11),32(10)])].

1553 C' * L(x,C,y) = L(C' * x,C,y).  [para(1262(a,2),1241(a,1,2))].

1771 L(C * (x * L(y * C,C,z')),C,z) = L(C * (x * C),C,z) * y.  [para(55(a,1),49(a,1,1,2,2,2)),rewrite([1314(7),16(4,R),1308(15),1314(18),16(1

5,R)]),flip(a)].

1869 L(x * L(y,C,z'),C,z) = L(x,C,z) * y.  [para(707(a,1),1771(a,1,1,2)),rewrite([1553(11),54(8),36(9),16(15,R),36(15),36(11)])].

1889 L(x,C,y) * L(z,y,C') = L(x * z,C,y).  [para(1173(a,1),1869(a,1,1,2)),rewrite([1283(8)]),flip(a)].

1890 $F.  [resolve(1889,a,1272,a)].

 

============================== end of proof ==========================

 

% Proof 1 at 1.66 (+ 0.01) seconds.

% Length of proof is 223.

% Level of proof is 33.

% Maximum clause weight is 27.000.

% Given clauses 288.

 

1 L(x * y,A,C) = L(x,A,C) * L(y,A,C) # label(non_clause) # label(goal).  [goal].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 C * ((x * y) * C) = (C * x) * (y * C).  [assumption].

15 (C * x) * (y * C) = C * ((x * y) * C).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 L(x,y,z) = (z * y)' * (z * (y * x)).  [assumption].

18 (x * y)' * (x * (y * z)) = L(z,y,x).  [copy(17),flip(a)].

19 L(c1 * c2,A,C) != L(c1,A,C) * L(c2,A,C).  [deny(1)].

20 L(c1,A,C) * L(c2,A,C) != L(c1 * c2,A,C).  [copy(19),flip(a)].

21 (C * x) * (y * C) = C * (C * (x * y)).  [back_rewrite(15),rewrite([16(9,R)])].

30 0 / x = x'.  [para(8(a,1),6(a,1,1))].

32 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([30(3)])].

33 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

34 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

36 x * (x' * y) = y.  [back_rewrite(4),rewrite([33(1)])].

37 (x * (x * y)) / y = x * x.  [para(12(a,1),6(a,1,1))].

41 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

42 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

44 (x * (y * x))' * (x * (y * (x * z))) = z.  [para(13(a,1),10(a,1,2))].

49 (x * (y * (z * (y * x)))) * u = x * (y * (z * (y * (x * u)))).  [para(13(a,1),13(a,1,1,2)),rewrite([13(9)])].

53 C * (x / C) = x.  [para(16(a,2),7(a,1))].

54 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

55 x' * (C * x) = C.  [para(16(a,2),10(a,1,2))].

56 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

57 C * (x * x) = x * (x * C).  [para(16(a,2),12(a,1))].

58 C * (x * x) = x * (C * x).  [para(16(a,2),12(a,2,2)),rewrite([16(3,R)])].

61 (C * (C * x)) * y = C * (x * (C * y)).  [para(16(a,2),13(a,1,1,2))].

68 x' * ((x / y) * (y * z)) = L(z,y,x / y).  [para(7(a,1),18(a,1,1,1))].

75 L(x',x,y) = (y * x)' * y.  [para(9(a,1),18(a,1,2,2)),rewrite([3(4)]),flip(a)].

76 (x * y) * L(z,y,x) = x * (y * z).  [para(18(a,1),10(a,1,2)),rewrite([32(3)])].

77 x' * (y' * ((y * x) * z)) = L(z,y * x,y').  [para(10(a,1),18(a,1,1,1))].

84 (x * C)' * (C * (x * y)) = L(y,x,C).  [para(16(a,1),18(a,1,1,1))].

109 x / C = C' * x.  [para(53(a,1),10(a,1,2)),flip(a)].

112 (x * C)' * (x * y) = L(C' * y,C,x).  [para(53(a,1),18(a,1,2,2)),rewrite([109(7)])].

113 C * (C * ((C' * x) * y)) = x * (y * C).  [para(53(a,1),21(a,1,1)),rewrite([109(7)]),flip(a)].

115 x' * C = C * x'.  [para(16(a,2),33(a,2)),rewrite([33(2)])].

116 (x / y)' = y / x.  [para(7(a,1),34(a,1,2)),flip(a)].

120 C / (C * x) = x'.  [para(16(a,2),34(a,1,2))].

126 x * (C * x') = C.  [para(16(a,2),36(a,1,2))].

132 C * (x * (C' * x)) = x * x.  [para(54(a,1),13(a,2,2)),rewrite([16(6,R)])].

134 x' * (C' * ((x * C) * y)) = L(y,x * C,C').  [para(54(a,1),18(a,1,1,1))].

143 (x / y) * (y / x) = 0.  [para(116(a,1),8(a,1,1))].

147 (C' * x)' = C / x.  [para(109(a,1),116(a,1,1))].

162 (C / x) * (C' * x) = 0.  [para(109(a,1),143(a,1,2))].

173 x' / x = x' * x'.  [para(8(a,1),37(a,1,1,2)),rewrite([3(3)])].

174 x / x' = x * x.  [para(9(a,1),37(a,1,1,2)),rewrite([3(2)])].

189 (x * x)' = x' * x'.  [para(174(a,1),116(a,1,1)),rewrite([173(4)])].

215 (C * x)' = (x * C)'.  [para(56(a,1),120(a,1,2)),rewrite([120(6)]),flip(a)].

233 (C * (x * x))' * (x * ((x * C) * y)) = L(y,x * C,x).  [para(57(a,2),18(a,1,1,1))].

247 (C * (x * x)) * y = x * (C * (x * y)).  [para(58(a,2),13(a,1,1))].

251 (C * (x * x))' * (x * ((C * x) * y)) = L(y,C * x,x).  [para(58(a,2),18(a,1,1,1))].

259 x * (C * x) = x * (x * C).  [para(58(a,1),57(a,1))].

282 L(x',x,y) / y = (y * x)'.  [para(75(a,2),6(a,1,1))].

291 L(x',x,C) = C * (C * x)'.  [para(75(a,2),16(a,2)),flip(a)].

293 (C * x)' * x = L(C',C,x).  [para(16(a,2),75(a,2,1,1)),flip(a)].

300 x / L(y',y,x) = x * y.  [para(75(a,2),34(a,1,2)),rewrite([32(6)])].

302 C' * L(x',x,C) = (C * x)'.  [para(75(a,2),54(a,1,2))].

317 L((x * C)',x * C,x) = (C * (x * x))' * x.  [para(57(a,2),75(a,2,1,1))].

335 x' * (x' * (C * (x * (C' * (x * y))))) = L(y,x * (C' * x),C).  [para(132(a,1),18(a,1,1,1)),rewrite([189(2),13(9),12(11)])].

378 (C * (x * x))' = (x * (C * x))'.  [para(259(a,2),282(a,2,1)),rewrite([317(6),6(6)])].

437 x * (C * y) = x * (y * C).  [para(16(a,1),76(a,2,2)),rewrite([76(5)])].

440 (x * (y * z))' * (x * (y * (z * u))) = L(L(u,z,y),y * z,x).  [para(76(a,1),18(a,1,2,2))].

445 C * L(x,C * y,y') = y' * ((C * y) * x).  [para(55(a,1),76(a,1,1))].

446 C * L(x,C * y',y) = y * ((C * y') * x).  [para(126(a,1),76(a,1,1))].

457 L(x',x,y) * L(z,y,(y * x)') = (y * x)' * (y * z).  [para(75(a,2),76(a,1,1))].

466 L(L(x,y,z),z * y,y) = x.  [back_rewrite(44),rewrite([440(7)])].

481 L(C * x,y,z) = L(x * C,y,z).  [para(437(a,1),18(a,1,2,2)),rewrite([18(7)]),flip(a)].

482 (x * (C * y))' * (x * ((y * C) * z)) = L(z,y * C,x).  [para(437(a,2),18(a,1,1,1))].

667 (x' * y) / x = x' * (y * x').  [para(8(a,1),41(a,1,1,2,2)),rewrite([3(3)])].

668 x * ((x * y)' * x) = x / y.  [para(8(a,1),41(a,1,1,2)),rewrite([3(2)]),flip(a)].

669 (x * y) / x' = x * (y * x).  [para(9(a,1),41(a,1,1,2,2)),rewrite([3(2)])].

688 C' * ((C / x) * C') = C' / x.  [para(162(a,1),41(a,1,1,2)),rewrite([3(4)]),flip(a)].

702 x * L(y',y,x) = x / y.  [para(75(a,2),41(a,2,2)),rewrite([41(6),668(4)]),flip(a)].

716 L(x',x,y) = y' * (y / x).  [para(702(a,1),10(a,1,2)),flip(a)].

770 x' / (x * y) = x' * (y' * x').  [para(10(a,1),668(a,1,2,1,1)),flip(a)].

878 x' * ((C * x) * x') = C / x.  [para(55(a,1),669(a,1,1)),rewrite([32(3)]),flip(a)].

879 (x * (y * x))' = x' * (y' * x').  [para(669(a,1),116(a,1,1)),rewrite([770(6)])].

905 (C * (x * x))' = x' * (C' * x').  [back_rewrite(378),rewrite([879(8)])].

915 L(x,C * y,C') = L(x,C * y,y).  [back_rewrite(251),rewrite([905(4),13(11),10(9),77(8)])].

916 L(x,y * C,C') = L(x,y * C,y).  [back_rewrite(233),rewrite([905(4),13(11),10(9),134(8)])].

968 x' * ((x / y) * x') = (x * y)'.  [para(716(a,1),282(a,1,1)),rewrite([667(4)])].

971 L(x',x,y) * L(z,y / x,y') = y' * ((y / x) * z).  [para(716(a,2),76(a,1,1))].

983 (C * x)' = C' / x.  [back_rewrite(688),rewrite([968(8)])].

1041 C' * L(x',x,C) = C' / x.  [back_rewrite(302),rewrite([983(9)])].

1044 L(C',C,x) = C'.  [back_rewrite(293),rewrite([983(3),7(4)]),flip(a)].

1045 L(x',x,C) = C * (C' / x).  [back_rewrite(291),rewrite([983(7)])].

1048 (x * C)' = C' / x.  [back_rewrite(215),rewrite([983(3)]),flip(a)].

1076 (C' / x) * (x * y) = L(C' * y,C,x).  [back_rewrite(112),rewrite([1048(3)])].

1077 (C' / x) * (C * (x * y)) = L(y,x,C).  [back_rewrite(84),rewrite([1048(3)])].

1085 x / C' = x * C.  [para(1044(a,1),300(a,1,2))].

1087 C' * x = x * C'.  [para(1044(a,1),702(a,1,2)),rewrite([109(5)]),flip(a)].

1098 (C * x) * ((C' / x) * y) = y.  [para(983(a,1),36(a,1,2,1))].

1119 (C' * (C' * x)) * y = C' * (x * (C' * y)).  [para(1087(a,2),13(a,1,1,2))].

1126 x * (C' * x') = C'.  [para(1087(a,2),36(a,1,2))].

1181 (C * x) * x' = C.  [para(1126(a,1),21(a,2,2,2)),rewrite([16(8,R),36(8),9(9),3(7)])].

1183 (C' * x) * (C' * (C / x)) = C'.  [para(147(a,1),1126(a,1,2,2))].

1191 C / x = x' * C.  [back_rewrite(878),rewrite([1181(5)]),flip(a)].

1192 (C' * x) * x' = C'.  [back_rewrite(1183),rewrite([1191(7),54(9)])].

1263 (C' * x)' = x' * C.  [back_rewrite(147),rewrite([1191(6)])].

1264 C * (C' / x) = x'.  [back_rewrite(120),rewrite([1191(4),983(3),16(5,R)])].

1271 L(x',x,C) = x'.  [back_rewrite(1045),rewrite([1264(8)])].

1278 C' / x = C' * x'.  [back_rewrite(1041),rewrite([1271(5)]),flip(a)].

1295 (C * x) * ((C' * x') * y) = y.  [back_rewrite(1098),rewrite([1278(5)])].

1301 (C' * x') * (C * (x * y)) = L(y,x,C).  [back_rewrite(1077),rewrite([1278(3)])].

1302 (C' * x') * (x * y) = L(C' * y,C,x).  [back_rewrite(1076),rewrite([1278(3)])].

1317 (x * C)' = C' * x'.  [back_rewrite(1048),rewrite([1278(6)])].

1334 (C * x)' = C' * x'.  [back_rewrite(983),rewrite([1278(6)])].

1340 (C * x') * x = C.  [para(32(a,1),1181(a,1,2))].

1345 C * L(x,y',C * y) = (C * y) * (y' * x).  [para(1181(a,1),76(a,1,1))].

1354 C * L(x,y,C * y') = (C * y') * (y * x).  [para(1340(a,1),76(a,1,1))].

1362 (C' * x') * x = C'.  [para(32(a,1),1192(a,1,2))].

1381 L(x,y,C' * y') = C * L(C' * x,C,y).  [para(1362(a,1),18(a,1,1,1)),rewrite([32(3),1302(7)]),flip(a)].

1386 C' * L(x,y,C' * y') = L(C' * x,C,y).  [para(1362(a,1),76(a,1,1)),rewrite([1302(14)])].

1517 (C * x') * ((C' * x) * y) = y.  [para(32(a,1),1295(a,1,2,1,2))].

1518 (C * x) * y = (x * C) * y.  [para(36(a,1),1295(a,1,2)),rewrite([1263(8),32(5)])].

1543 L(x,C * y,z) = L(x,y * C,z).  [para(1518(a,1),18(a,1,2,2)),rewrite([482(9)]),flip(a)].

1554 (x * C) * (C * y) = C * (C * (x * y)).  [para(1518(a,1),437(a,1)),rewrite([21(10)])].

1590 (C * x') * (C' * (x * y)) = L(y,x,C').  [para(76(a,1),1517(a,1,2))].

1704 L(x,C * (C * y),C * y) = L(x,C * (y * C),C').  [para(1518(a,1),916(a,1,2)),rewrite([16(4,R),16(11,R)]),flip(a)].

1711 (x * y) * x' = x * (y / x).  [para(9(a,1),42(a,1,2,2)),rewrite([3(3)]),flip(a)].

1712 (x / y) * (y * z) = y' * ((y * x) * z).  [para(42(a,1),10(a,1,2)),flip(a)].

1713 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(10(a,1),42(a,1,2,2)),flip(a)].

1723 C * ((C * x) * y) = x * (C * (C * y)).  [para(42(a,1),21(a,2,2)),rewrite([109(3),36(5),16(4,R)]),flip(a)].

1726 (x * y) * (x' * z) = x * ((y / x) * z).  [para(36(a,1),42(a,1,2,2)),flip(a)].

1730 C' * ((x * C) * (C' * y)) = (C' * x) * y.  [para(42(a,1),109(a,2)),rewrite([1085(3),109(8)])].

1760 (C' * x) * y = (x * C') * y.  [para(1087(a,1),42(a,2,1)),rewrite([1085(5),1730(9)])].

1795 L(x,y * z,y') = L(x,y,z / y).  [back_rewrite(68),rewrite([1712(4),77(6)])].

1796 L(x,y,y' * C) = L(x,y,C).  [back_rewrite(1301),rewrite([1713(8),1085(6),1713(7),1191(6),32(5),77(8),1795(4),1191(2)])].

1800 C * L(C' * x,C,y) = L(x,y,C').  [back_rewrite(1590),rewrite([1726(8),109(4),1302(7)])].

1808 L(x,C * (C * y),C * y) = L(x,C,y).  [back_rewrite(1704),rewrite([1795(14),109(12),54(13)])].

1813 L(x,C * y,y) = L(x,C,C' * y).  [back_rewrite(915),rewrite([1795(5),109(3)]),flip(a)].

1815 x' * (y' * ((y * x) * z)) = L(z,y,x / y).  [back_rewrite(77),rewrite([1795(9)])].

1816 L(x,y,C' * y') = L(x,y,C').  [back_rewrite(1381),rewrite([1800(12)])].

1819 C' * L(x,y,C') = L(C' * x,C,y).  [back_rewrite(1386),rewrite([1816(7)])].

1825 L(x,y / z,z) = L(x,z',z * y).  [para(1711(a,1),18(a,1,1,1)),rewrite([1726(7),18(7)])].

1894 (x * C') * (y * C) = C' * ((x * C) * y).  [para(1760(a,1),437(a,2)),rewrite([1713(6),1085(5)]),flip(a)].

1941 L(x,y / z,z / (y / z)) = L(x,y,z / y).  [para(7(a,1),1795(a,1,2)),rewrite([116(2)]),flip(a)].

1944 L(x,y',y * (z * y)) = L(x,z,y).  [para(10(a,1),1795(a,1,2)),rewrite([32(2),669(5)]),flip(a)].

1947 L(x,y * C,C') = L(x,C,C' * y).  [para(16(a,1),1795(a,1,2)),rewrite([109(8)])].

1948 L(x,C * y,y') = L(x,y,C).  [para(16(a,2),1795(a,1,2)),rewrite([1191(6),1796(8)])].

1955 L(x,C * y',y) = L(x,y',y * C).  [para(115(a,1),1795(a,1,2)),rewrite([32(5),1191(8),32(7)])].

1963 L(x,y / z,y') = L(x,y,(y * z)').  [para(282(a,1),1795(a,2,3)),rewrite([702(3)])].

1999 x' * (C' * ((x * C) * y)) = L(y,C,C' * x).  [back_rewrite(134),rewrite([1947(13)])].

2002 x' * ((C * x) * y) = C * L(y,x,C).  [back_rewrite(445),rewrite([1948(5)]),flip(a)].

2009 C * L(x,y',y * C) = y * ((C * y') * x).  [back_rewrite(446),rewrite([1955(5)])].

2013 (x * y)' * (x * z) = x' * ((x / y) * z).  [back_rewrite(971),rewrite([1963(5),457(6)])].

2072 L(x,y,z / y) = L(x,y,z).  [back_rewrite(18),rewrite([2013(5),1712(4),1815(6)])].

2103 L(x,y',y * z) = L(x,z,y).  [back_rewrite(1941),rewrite([2072(4),1825(2),2072(5)])].

2106 L(x,y * z,y') = L(x,y,z).  [back_rewrite(1795),rewrite([2072(5)])].

2119 x * ((C * x') * y) = C * L(y,C,x).  [back_rewrite(2009),rewrite([2103(5)]),flip(a)].

2123 L(x,y * z,z) = L(x,y,z).  [back_rewrite(1944),rewrite([2103(4)])].

2133 L(x,C,C' * y) = L(x,C,y).  [back_rewrite(1813),rewrite([2123(3)]),flip(a)].

2134 L(x,C,C * y) = L(x,C,y).  [back_rewrite(1808),rewrite([2123(7)])].

2137 L(L(x,y,z),z,y) = x.  [back_rewrite(466),rewrite([2123(3)])].

2139 x' * (C' * ((x * C) * y)) = L(y,C,x).  [back_rewrite(1999),rewrite([2133(13)])].

2156 x * (y * L(z,x,y)) = (x * y) * z.  [para(2137(a,1),76(a,1,2)),flip(a)].

2164 L(x,y,z * y) = L(x,y,z).  [para(6(a,1),2072(a,1,3)),flip(a)].

2185 L(x,C * y,C) = L(x,y,C).  [para(16(a,2),2123(a,1,2))].

2187 L(x,y,y' * z) = L(x,z,y').  [para(36(a,1),2123(a,1,2)),rewrite([2164(3)]),flip(a)].

2189 L(x,y',C * y) = L(x,C,y).  [para(55(a,1),2123(a,1,2)),rewrite([2134(4)]),flip(a)].

2190 L(x,y,C * y') = L(x,C,y').  [para(126(a,1),2123(a,1,2)),rewrite([2134(5)]),flip(a)].

2206 L(x,C,y') = L(x,y,C).  [para(1181(a,1),2123(a,1,2)),rewrite([1948(7)])].

2211 L(x,C,y) = L(x,y,C').  [back_rewrite(2133),rewrite([2187(5)]),flip(a)].

2212 (C * x) * (x' * y) = C * L(y,C,x).  [back_rewrite(1345),rewrite([2189(5)]),flip(a)].

2213 (C * x') * (x * y) = C * L(y,C,x').  [back_rewrite(1354),rewrite([2190(5)]),flip(a)].

2227 L(x,y',C) = L(x,C,y).  [para(32(a,1),2206(a,1,3)),flip(a)].

2228 L(x,y / z,C) = L(x,C,z / y).  [para(116(a,1),2206(a,1,3)),flip(a)].

2229 L(x,y * y,C) = L(x,C,y' * y').  [para(189(a,1),2206(a,1,3)),flip(a)].

2232 L(C * x,y,C) = L(x * C,C,y').  [para(2206(a,1),481(a,1))].

2236 L(x,y',C') = L(x,y,C).  [para(2206(a,2),1543(a,1)),rewrite([1334(4),2187(6),2123(8)])].

2241 L(L(x,C,y'),C,y) = x.  [para(2206(a,2),2137(a,1,1))].

2242 L(L(x,C,y),C,y') = x.  [para(2206(a,2),2137(a,1))].

2260 L(L(x,C,y),C',y) = x.  [para(2211(a,2),2137(a,1,1))].

2271 L(x,y',C) = L(x,y,C').  [para(2227(a,2),2072(a,2)),rewrite([109(3),2187(5)]),flip(a)].

2280 L(L(x,C,y * y),C,y' * y') = x.  [para(189(a,1),2242(a,1,3))].

2294 L(x,C',y) = L(x,C,y').  [para(2241(a,1),2260(a,1,1))].

2356 L(x,y * (C' * y),C) = L(x,C,y' * y').  [para(132(a,1),2185(a,1,2)),rewrite([2229(3)]),flip(a)].

2361 x' * (x' * (C * (x * (C' * (x * y))))) = L(y,C,x' * x').  [back_rewrite(335),rewrite([2356(17)])].

2416 L(x,y * z,C) = L(x,C,(y * z)').  [para(300(a,1),2228(a,1,2)),rewrite([282(7)])].

2417 L(x,y * z,C') = L(x,C,y * z).  [para(300(a,1),2228(a,2,3)),rewrite([282(3),2271(4)])].

3443 C' * (x * (C * (C * y))) = (C * x) * y.  [para(1723(a,1),10(a,1,2))].

3579 C * L(x,C,y) = L(C * x,y,C').  [para(10(a,1),1800(a,1,2,1))].

3619 (C * x') * (x * y) = L(C * y,x,C).  [back_rewrite(2213),rewrite([3579(10),2236(11)])].

3620 (C * x) * (x' * y) = L(C * y,x,C').  [back_rewrite(2212),rewrite([3579(9)])].

3624 x * ((C * x') * y) = L(C * y,x,C').  [back_rewrite(2119),rewrite([3579(9)])].

3688 C * L(x,y,C) = L(C * x,y,C).  [para(13(a,1),2002(a,1,2)),rewrite([1317(3),1713(10),1085(6),1713(9),1191(6),32(5),1554(8),3443(10),3619(5

),2123(9)]),flip(a)].

3690 C * L(x,y,C') = L(C * x,y,C').  [para(32(a,1),2002(a,1,1)),rewrite([3624(5),2271(9)]),flip(a)].

3695 L(C * x,C,y' * y') = y' * (C * (y * x)).  [para(189(a,1),2002(a,1,1)),rewrite([247(7),12(8),10(7),2416(9),189(9),3579(12),2417(13)]),fli

p(a)].

3738 x' * ((C * x) * y) = L(C * y,x,C).  [back_rewrite(2002),rewrite([3688(9)])].

3747 C' * L(C * x,y,C) = L(x,y,C).  [para(3688(a,1),10(a,1,2))].

3803 C' * L(C * x,C,y') = L(x,y,C).  [para(2206(a,2),3747(a,1,2))].

4131 L(C * (C * x),y,C') * z = C * (L(x,y,C') * (C * z)).  [para(3690(a,1),61(a,1,1,2)),rewrite([3690(7)])].

4173 C' * (x' * (C * (x * y))) = L(y,C,x' * x').  [para(189(a,1),3803(a,1,2,3)),rewrite([3695(9),2416(11),189(11)])].

4208 C' * ((x * C) * y) = C * (x * (C' * y)).  [para(13(a,1),113(a,1,2,2)),rewrite([36(10),1894(12)]),flip(a)].

4218 x * L(C * y,x,C') = C * (x * y).  [para(76(a,1),113(a,1,2,2)),rewrite([36(7),16(8,R),3690(8)]),flip(a)].

4258 x' * (C * (x * (C' * y))) = L(y,C,x).  [back_rewrite(2139),rewrite([4208(7)])].

4275 x' * L(x * y,C,x) = L(y,C,x' * x').  [back_rewrite(2361),rewrite([4258(10)])].

4279 x' * (C * (x * y)) = L(C * y,x,C').  [para(4218(a,1),10(a,1,2))].

4344 L(x,C,y' * y') = L(x,C,y).  [back_rewrite(4173),rewrite([4279(7),1819(8),10(5)]),flip(a)].

4367 x' * L(x * y,C,x) = L(y,C,x).  [back_rewrite(4275),rewrite([4344(10)])].

4385 L(L(x,C,y * y),C,y) = x.  [back_rewrite(2280),rewrite([4344(8)])].

4394 L(x,C,y * y) = L(x,y,C).  [para(4385(a,1),2137(a,1,1)),flip(a)].

5770 C' * L(x,C,y) = L(C' * x,C,y).  [para(1302(a,1),2156(a,2)),rewrite([2294(8),32(7),4367(7)])].

11104 L(C * (x * L(C * y,z,C)),z,C') = L(C * (x * C),z,C') * y.  [para(55(a,1),49(a,1,1,2,2,2)),rewrite([3620(7),3738(16),3620(18)]),flip(a)]

.

11368 L(C * (x * C),y,C') * z = C * (L(x,y,C') * (C * z)).  [para(16(a,2),11104(a,2,1,1,2)),rewrite([11104(10),4131(16)])].

11385 L(C * (x * L(C * y,z,C)),C,z) = L(C * (x * C),C,z) * y.  [para(11104(a,1),1543(a,1)),rewrite([2106(9),2416(14),1334(14),2187(16),2236(1

4),2417(19),2164(18)]),flip(a)].

11388 L(C * (x * C),C,y) * z = C * (L(x,y,C') * (C * z)).  [para(11104(a,1),2211(a,2)),rewrite([11385(9),11368(15)])].

11391 L(C * (x * L(y * C,C,z')),z,C') = C * (L(x,z,C') * (C * y)).  [para(2232(a,1),11104(a,1,1,2,2)),rewrite([11368(19)])].

11412 C * (L(C' * x,y,C') * (C * z)) = L(C * x,C,y) * z.  [para(7(a,1),11388(a,1,1,1,2)),rewrite([109(8)]),flip(a)].

11454 L(C * (x * L(y * C,C,z')),C,z) = C * (L(x,z,C') * (C * y)).  [para(11391(a,1),2211(a,2))].

11483 L(x * L(y,C,z'),C,z) = L(x,C,z) * y.  [para(1119(a,1),11454(a,1,1,2)),rewrite([5770(11),54(8),36(9),11412(20),36(11)])].

11508 L(x,C,y) * L(z,C,y) = L(x * z,C,y).  [para(2241(a,1),11483(a,1,1,2)),rewrite([32(8)]),flip(a)].

11618 L(x,y,C) * L(z,y,C) = L(x * z,y,C) # label(non_clause) # label(goal).  [para(4394(a,1),11508(a,1,1)),rewrite([4394(5),4394(9)])].

11619 $F.  [resolve(11618,a,20,a)].

 

============================== end of proof ==========================

 

% Proof 1 at 1.45 (+ 0.02) seconds.

% Length of proof is 247.

% Level of proof is 36.

% Maximum clause weight is 28.000.

% Given clauses 389.

 

1 L(x * y,A,C) = L(x,A,C) * L(y,A,C) # label(non_clause) # label(goal).  [goal].

2 0 * x = x.  [assumption].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 A * ((x * y) * A) = (A * x) * (y * A).  [assumption].

15 (A * x) * (y * A) = A * ((x * y) * A).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 L(x,y,z) = (z * y)' * (z * (y * x)).  [assumption].

18 (x * y)' * (x * (y * z)) = L(z,y,x).  [copy(17),flip(a)].

19 L(c1 * c2,A,C) != L(c1,A,C) * L(c2,A,C).  [deny(1)].

20 L(c1,A,C) * L(c2,A,C) != L(c1 * c2,A,C).  [copy(19),flip(a)].

29 0 / x = x'.  [para(8(a,1),6(a,1,1))].

31 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([29(3)])].

32 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

33 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

35 x * (x' * y) = y.  [back_rewrite(4),rewrite([32(1)])].

40 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

41 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

43 (x * (y * x))' * (x * (y * (x * z))) = z.  [para(13(a,1),10(a,1,2))].

48 (x * (y * (z * (y * x)))) * u = x * (y * (z * (y * (x * u)))).  [para(13(a,1),13(a,1,1,2)),rewrite([13(9)])].

50 (A * x) * A = A * (x * A).  [para(2(a,1),15(a,1,2)),rewrite([3(7)])].

54 A * ((A' * x) * A) = x * A.  [para(9(a,1),15(a,1,1)),rewrite([2(4)]),flip(a)].

63 C * (x / C) = x.  [para(16(a,2),7(a,1))].

64 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

65 x' * (C * x) = C.  [para(16(a,2),10(a,1,2))].

66 C * (C * x) = C * (x * C).  [para(16(a,1),12(a,2,2)),rewrite([12(4)])].

67 C * (x * x) = x * (x * C).  [para(16(a,2),12(a,1))].

69 (x * (x * C)) * y = x * (C * (x * y)).  [para(16(a,1),13(a,1,1,2))].

87 L(x',x,y) = (y * x)' * y.  [para(9(a,1),18(a,1,2,2)),rewrite([3(4)]),flip(a)].

88 (x * y) * L(z,y,x) = x * (y * z).  [para(18(a,1),10(a,1,2)),rewrite([31(3)])].

89 x' * (y' * ((y * x) * z)) = L(z,y * x,y').  [para(10(a,1),18(a,1,1,1))].

91 (x * (x * y))' * (x * (x * (y * z))) = L(z,y,x * x).  [para(12(a,1),18(a,1,1,1)),rewrite([12(6)])].

109 x / C = C' * x.  [para(63(a,1),10(a,1,2)),flip(a)].

112 (x * C)' * (x * y) = L(C' * y,C,x).  [para(63(a,1),18(a,1,2,2)),rewrite([109(7)])].

113 x' * C = C * x'.  [para(16(a,2),32(a,2)),rewrite([32(2)])].

114 (x / y)' = y / x.  [para(7(a,1),33(a,1,2)),flip(a)].

119 C / (C * x) = x'.  [para(16(a,2),33(a,1,2))].

120 (x * (y * z)) / L(z,y,x) = x * y.  [para(18(a,1),33(a,1,2)),rewrite([31(7)])].

126 x * (C * x') = C.  [para(16(a,2),35(a,1,2))].

133 x' * (C' * ((x * C) * y)) = L(y,x * C,C').  [para(64(a,1),18(a,1,1,1))].

134 (x * C')' * (x * y) = L(y * C,C',x).  [para(64(a,1),18(a,1,2,2))].

137 C' * (x' * ((C * x) * y)) = L(y,C * x,x').  [para(65(a,1),18(a,1,1,1))].

146 (C' * x)' = C / x.  [para(109(a,1),114(a,1,1))].

153 L(x',C,x) = C * (x * C)'.  [para(126(a,1),18(a,1,2)),rewrite([16(5,R)]),flip(a)].

197 L(A,x,A) = A.  [para(50(a,1),10(a,1,2)),rewrite([18(8)])].

203 A / (A * (x * A)) = (A * x)'.  [para(50(a,1),33(a,1,2))].

219 (C * x)' = (x * C)'.  [para(66(a,1),119(a,1,2)),rewrite([119(6)]),flip(a)].

226 (x * C)' * ((C * x) * y) = y.  [para(219(a,1),10(a,1,1))].

313 (x * A') * A = x.  [para(13(a,1),54(a,1,2)),rewrite([8(7),3(5),35(5)]),flip(a)].

315 x / A = x * A'.  [para(313(a,1),6(a,1,1))].

316 x / A' = x * A.  [para(7(a,1),313(a,1,1)),flip(a)].

321 A * ((x * (y * A')) * A) = (A * x) * y.  [para(313(a,1),15(a,1,2)),flip(a)].

323 (x * (y * A'))' * (x * y) = L(A,y * A',x).  [para(313(a,1),18(a,1,2,2))].

332 (x * A)' = A' / x.  [para(316(a,1),114(a,1,1))].

358 (A * C)' = C' * A'.  [para(16(a,1),332(a,1,1)),rewrite([109(8)])].

369 L(x',x,y) / y = (y * x)'.  [para(87(a,2),6(a,1,1))].

381 L(x',x,C) = C * (C * x)'.  [para(87(a,2),16(a,2)),flip(a)].

382 L(x',x,C) = C * (x * C)'.  [para(16(a,1),87(a,2,1,1)),rewrite([16(8,R)])].

383 (C * x)' * x = L(C',C,x).  [para(16(a,2),87(a,2,1,1)),flip(a)].

388 x / L(y',y,x) = x * y.  [para(87(a,2),33(a,1,2)),rewrite([31(6)])].

487 L((x * C)',C,C * x) = C * (C * (C * x))'.  [para(219(a,1),153(a,1,1)),rewrite([16(12,R)])].

492 L(x * C,(x * C)',C) = C * L(x',C,x)'.  [para(153(a,2),87(a,2,1,1)),rewrite([31(4),16(13,R)])].

517 A / (A * (A * C)) = C' * A'.  [para(16(a,1),203(a,1,2,2)),rewrite([358(11)])].

521 (C * x) * y = (x * C) * y.  [para(226(a,1),10(a,1,2)),rewrite([31(4)]),flip(a)].

567 L((C * x)',C,C * x) = C * (C * (x * C))'.  [para(521(a,1),153(a,2,2,1)),rewrite([16(12,R)])].

612 L((C * x)',x * C,C) = C * (C * (x * C))'.  [para(219(a,2),381(a,1,1))].

631 L(x',C,x) = L(x',x,C).  [para(382(a,2),388(a,2)),rewrite([31(5),492(8),119(8),31(5)])].

637 C * (C * (C * x))' = C * (C * (x * C))'.  [para(219(a,1),631(a,1,1)),rewrite([487(7),631(14,R),567(14)])].

650 (x * C)' * x = L(C',C,x).  [para(16(a,1),383(a,1,1,1))].

676 (x * L(C',C,x)) * y = x * L(C' * y,C,x).  [para(650(a,1),13(a,1,1,2)),rewrite([112(11)])].

678 L(C',C,x)' * L(C' * y,C,x) = L(y,x,(x * C)').  [para(650(a,1),18(a,1,1,1)),rewrite([112(10)])].

785 x * (C * y) = x * (y * C).  [para(16(a,1),88(a,2,2)),rewrite([88(5)])].

788 (x * (y * z))' * (x * (y * (z * u))) = L(L(u,z,y),y * z,x).  [para(88(a,1),18(a,1,2,2))].

791 x * L(y,x * C,C') = C' * ((x * C) * y).  [para(64(a,1),88(a,1,1))].

792 C * L(x,C * y,y') = y' * ((C * y) * x).  [para(65(a,1),88(a,1,1))].

793 C * L(x,C * y',y) = y * ((C * y') * x).  [para(126(a,1),88(a,1,1))].

807 L(x',x,y) * L(z,y,(y * x)') = (y * x)' * (y * z).  [para(87(a,2),88(a,1,1))].

826 L(L(x,y,z),z * y,z) = L(x,y,z * z).  [back_rewrite(91),rewrite([788(7)])].

827 L(L(x,y,z),z * y,y) = x.  [back_rewrite(43),rewrite([788(7)])].

853 L(L(x,y,z / y),z,y) = x.  [para(7(a,1),827(a,1,2))].

867 L(A,A * x,x) = A.  [para(197(a,1),827(a,1,1))].

910 L(x' * (x / y),x,y) = y'.  [para(87(a,1),853(a,1,1)),rewrite([7(2)])].

912 L(C * x',x,C) = C / x.  [para(153(a,1),853(a,1,1)),rewrite([109(3),16(6,R),35(6),109(7),146(9)])].

917 L(x,y * z,z) = L(x,y,z / y).  [para(853(a,1),827(a,1,1))].

918 L(x,y / z,z / (y / z)) = L(x,y,z).  [para(853(a,1),853(a,1,1)),flip(a)].

930 L(x',x,C * C) = x'.  [para(381(a,2),912(a,1,1)),rewrite([826(7),119(9)])].

934 (C * x) * (C / x) = C * C.  [para(912(a,1),88(a,1,2)),rewrite([126(10)])].

945 (C * (C * x))' = x' / (C * C).  [para(930(a,1),369(a,1,1)),rewrite([12(9)]),flip(a)].

954 C * (C * (x * C))' = C * (x' / (C * C)).  [back_rewrite(637),rewrite([945(6)]),flip(a)].

959 L((C * x)',x * C,C) = C * (x' / (C * C)).  [back_rewrite(612),rewrite([954(14)])].

976 (C * L(x',x,C)) * (C * x) = C * C.  [para(388(a,1),934(a,1,2))].

1021 (x * y) * x' = x * (y / x).  [para(910(a,1),88(a,1,2)),rewrite([35(7)])].

1044 (x / y) * (y / (x / y)) = x * (y / x).  [para(7(a,1),1021(a,1,1)),rewrite([114(2)]),flip(a)].

1051 (C * x) * x' = x * (C / x).  [para(16(a,2),1021(a,1,1))].

1055 (x' * y) * x = x' * (y / x').  [para(31(a,1),1021(a,1,2))].

1056 x' / (x * (y / x)) = (x * y)'.  [para(1021(a,1),33(a,1,2))].

1082 L(C',C,x) = C'.  [para(1021(a,1),226(a,1,2)),rewrite([109(6),35(8),650(4)])].

1093 (x * (y / x)) * L(z,x',x * y) = (x * y) * (x' * z).  [para(1021(a,1),88(a,1,1))].

1103 L(x,y,(y * C)') = C * L(C' * x,C,y).  [back_rewrite(678),rewrite([1082(4),31(3)]),flip(a)].

1105 x * L(C' * y,C,x) = (x * C') * y.  [back_rewrite(676),rewrite([1082(4)]),flip(a)].

1122 x / C' = x * C.  [para(1082(a,1),388(a,1,2))].

1123 (x * C)' = C' / x.  [para(1082(a,1),369(a,1,1)),flip(a)].

1126 L(x,y,C' / y) = C * L(C' * x,C,y).  [back_rewrite(1103),rewrite([1123(3)])].

1221 (C * x)' = C' / x.  [back_rewrite(219),rewrite([1123(6)])].

1225 (C' / x) * (x * y) = L(C' * y,C,x).  [back_rewrite(112),rewrite([1123(3)])].

1303 L(C' / x,x * C,C) = C * (x' / (C * C)).  [back_rewrite(959),rewrite([1221(3)])].

1306 C' / (C * x) = x' / (C * C).  [back_rewrite(945),rewrite([1221(5)])].

1345 C * (x * C') = x.  [para(1122(a,1),6(a,1)),rewrite([16(5,R)])].

1351 C' * x = x * C'.  [para(1345(a,1),10(a,1,2))].

1358 (x * C')' = C / x.  [para(1345(a,1),119(a,1,2)),flip(a)].

1366 A / (A * (A * C)) = A' * C'.  [back_rewrite(517),rewrite([1351(12)])].

1372 (C / x) * (x * y) = L(y * C,C',x).  [back_rewrite(134),rewrite([1358(4)])].

1485 L(x,y',(y * z) / y') = L(x,z,y * z).  [para(10(a,1),917(a,1,2)),flip(a)].

1490 L(x,C * y,C) = L(x,y,C / y).  [para(16(a,2),917(a,1,2))].

1494 L(x,y,(y' * z) / y) = L(x,z,y' * z).  [para(35(a,1),917(a,1,2)),flip(a)].

1497 L(x,C * y,y) = L(x,C,C' * y).  [para(109(a,1),917(a,2,3))].

1512 L(x,A * y,y) = L(x,A,y * A').  [para(315(a,1),917(a,2,3))].

1515 L((x * y)',x,y / x) = (y * (x * y))' * y.  [para(917(a,1),87(a,1))].

1528 L((x * y)',x,y / x) / y = (y * (x * y))'.  [para(917(a,1),369(a,1,1))].

1529 L(x,y * L(z',z,y),L(z',z,y)) = L(x,y,(y * z)').  [para(369(a,1),917(a,2,3))].

1539 L(L(x,y,z),z,y / z) = x.  [para(917(a,1),827(a,1))].

1541 L(A,A,x * A') = A.  [para(917(a,1),867(a,1)),rewrite([315(4)])].

1563 L(A,A,x) = A.  [para(7(a,1),1541(a,1,3))].

1565 (x * A) * A = x * (A * A).  [para(1563(a,1),88(a,1,2))].

1608 L(x,y * (A * A),A) = L(x,y * A,y').  [para(1565(a,1),917(a,1,2)),rewrite([33(12)])].

1622 (x * (y * x))' = x' / (x * y).  [para(6(a,1),1056(a,1,2,2)),flip(a)].

1655 L((x * y)',x,y / x) / y = y' / (y * x).  [back_rewrite(1528),rewrite([1622(8)])].

1656 L((x * y)',x,y / x) = (y' / (y * x)) * y.  [back_rewrite(1515),rewrite([1622(7)])].

1669 C' / (C * x') = x / (C * C).  [para(31(a,1),1306(a,2,1))].

1677 L(L(x,C * y,y' / (C * C)),C',C * y) = x.  [para(1306(a,1),853(a,1,1,3))].

1686 L(x,C * y,y' / (C * C)) = L(x,y,C').  [para(1306(a,1),917(a,2,3)),rewrite([1351(5,R),10(5)]),flip(a)].

1688 L(L(x,C',C * y),y,C') = x.  [para(1306(a,1),1539(a,1,3)),rewrite([1686(13)])].

1691 L(L(x,y,C'),C',C * y) = x.  [back_rewrite(1677),rewrite([1686(8)])].

1712 C * L(x,C * y,C) = L(x * C,C',y).  [para(1490(a,2),88(a,1,2)),rewrite([7(3),1372(10)])].

1728 (x' / (x * y)) * (x * ((y * x) * z)) = L(z,y * x,x).  [para(1622(a,1),18(a,1,1))].

1730 (x * y) / x' = x * (y * x).  [para(1622(a,1),31(a,1,1)),rewrite([114(4)])].

1784 L(x,y',y * (z * y)) = L(x,z,y * z).  [back_rewrite(1485),rewrite([1730(4)])].

1801 (C * x) / x' = x * (C * x).  [para(16(a,2),1730(a,1,1))].

1803 (x' * y) / x = x' * (y * x').  [para(31(a,1),1730(a,1,2))].

1845 L(x,y,z' * y) = L(x,z,z' * (y * z')).  [back_rewrite(1494),rewrite([1803(3)]),flip(a)].

2182 x * ((y / (x * z)) * x) = (x * y) / z.  [para(7(a,1),40(a,1,1,2)),flip(a)].

2183 x * ((x * y)' * x) = x / y.  [para(8(a,1),40(a,1,1,2)),rewrite([3(2)]),flip(a)].

2194 (x * L(y,z,x)) / (z * y) = x / z.  [para(18(a,1),40(a,1,1,2)),rewrite([2183(8)])].

2214 x * L(y',y,x) = x / y.  [para(87(a,2),40(a,2,2)),rewrite([40(6),2183(4)]),flip(a)].

2254 L(x,y / z,L(z',z,y)) = L(x,y,(y * z)').  [back_rewrite(1529),rewrite([2214(3)])].

2256 (C / x) * (C * x) = C * C.  [back_rewrite(976),rewrite([2214(5)])].

2265 L(x',x,y) = y' * (y / x).  [para(2214(a,1),10(a,1,2)),flip(a)].

2325 (x' / y) * x = x' * (x' * y)'.  [para(2214(a,1),1055(a,1,1)),rewrite([369(9)])].

2336 L((x * y)',x,y / x) = y' * x'.  [back_rewrite(1656),rewrite([2325(8),10(8)])].

2343 x' / (x * y) = x' * (y' * x').  [back_rewrite(1655),rewrite([2336(4),1803(4)]),flip(a)].

2399 L(x,y * z,y') = L(x,y * z,z).  [back_rewrite(1728),rewrite([2343(3),13(9),10(7),89(6)])].

2410 x / (C * C) = C' * (x * C').  [back_rewrite(1669),rewrite([2343(6),31(4)]),flip(a)].

2450 L(C' / x,x * C,C) = x' * C'.  [back_rewrite(1303),rewrite([2410(13),35(16)])].

2524 x' * (C * (x * C)) = C * C.  [para(33(a,1),2256(a,1,1))].

2691 L(x',x,y) * L(z,y / x,y') = y' * ((y / x) * z).  [para(2265(a,2),88(a,1,1))].

2799 C * (x * C) = x * (C * C).  [para(2524(a,1),10(a,1,2)),rewrite([31(2)]),flip(a)].

2835 C * (C * x) = x * (C * C).  [para(16(a,2),2799(a,1,2))].

2847 (x * (C * C))' = C' * (x' * C').  [para(2799(a,1),369(a,2,1)),rewrite([1123(3),2450(7),109(6)]),flip(a)].

2879 L(x,C * y,y') = L(x,C * y,C).  [para(2835(a,1),18(a,1,1,1)),rewrite([2847(5),13(13),10(11),137(8)])].

3312 (x / y) * (y * z) = x * L(z,y,x).  [para(2194(a,1),7(a,1,1))].

3402 L(x,y,z / y) = L(x,y,z).  [para(7(a,1),2399(a,1,2)),rewrite([114(2),7(4)])].

3403 L(x,y,z * y) = L(x,y,z).  [para(10(a,1),2399(a,1,2)),rewrite([31(2),10(4)]),flip(a)].

3407 L(x,C * y,y) = L(x,y * C,C').  [para(16(a,1),2399(a,1,2)),flip(a)].

3416 L(x,y' * C,C) = L(x,C * y',y).  [para(113(a,1),2399(a,1,2)),rewrite([31(5)]),flip(a)].

3465 L(x,y * z,y') = L(x,y,z).  [para(2399(a,2),917(a,1)),rewrite([3402(5)])].

3467 L(L(x,y,z),z,y) = x.  [para(2399(a,2),1539(a,1,1)),rewrite([3465(3),6(3)])].

3476 L(x,y / z,y') = L(x,y,(y * z)').  [para(2214(a,1),2399(a,1,2)),rewrite([2214(6),2254(7)])].

3526 L(x,C * y,C) = L(x,y,C).  [back_rewrite(1490),rewrite([3402(7)])].

3530 C * L(C' * x,C,y) = L(x,y,C').  [back_rewrite(1126),rewrite([3402(4)]),flip(a)].

3531 L(x,y / z,z) = L(x,y,z).  [back_rewrite(918),rewrite([3402(4)])].

3532 L(x,y * z,z) = L(x,y,z).  [back_rewrite(917),rewrite([3402(4)])].

3541 L(x,y,y' * (z * y')) = L(x,z,y').  [back_rewrite(1845),rewrite([3403(3)]),flip(a)].

3542 L(x,y',y * (z * y)) = L(x,z,y).  [back_rewrite(1784),rewrite([3403(6)])].

3594 L(x,y * (A * A),A) = L(x,y,A).  [back_rewrite(1608),rewrite([3465(10)])].

3598 x' * (y' * ((y * x) * z)) = L(z,y,x).  [back_rewrite(89),rewrite([3465(9)])].

3603 (x * y)' * (x * z) = x' * ((x / y) * z).  [back_rewrite(2691),rewrite([3476(5),807(6)])].

3623 L(x,C * y',y) = L(x,y',C).  [back_rewrite(3416),rewrite([3532(5)]),flip(a)].

3650 L(x,C * y,y') = L(x,y,C).  [back_rewrite(2879),rewrite([3526(8)])].

3652 C * L(x,y,C) = L(x * C,C',y).  [back_rewrite(1712),rewrite([3526(5)])].

3679 L(x,y * C,C') = L(x,C,y).  [back_rewrite(3407),rewrite([3532(3)]),flip(a)].

3694 L(x,A,y * A') = L(x,A,y).  [back_rewrite(1512),rewrite([3532(3)]),flip(a)].

3697 L(x,C,C' * y) = L(x,C,y).  [back_rewrite(1497),rewrite([3532(3)]),flip(a)].

3752 x' * ((x / (y * A')) * y) = L(A,y * A',x).  [back_rewrite(323),rewrite([3603(7)])].

3772 x * ((C * x') * y) = L(y * C,C',x').  [back_rewrite(793),rewrite([3623(5),3652(5)]),flip(a)].

3784 x' * ((C * x) * y) = L(y * C,C',x).  [back_rewrite(792),rewrite([3650(5),3652(4)]),flip(a)].

3811 C' * ((x * C) * y) = x * L(y,C,x).  [back_rewrite(791),rewrite([3679(5)]),flip(a)].

3812 x' * (C' * ((x * C) * y)) = L(y,C,x).  [back_rewrite(133),rewrite([3679(13)])].

3855 L(x,y',y * z) = L(x,z,y).  [para(1730(a,1),3402(a,1,3)),rewrite([3542(4)]),flip(a)].

3856 L(x,y',C * y) = L(x,C,y).  [para(1801(a,1),3402(a,1,3)),rewrite([3855(5),3532(3)]),flip(a)].

3857 L(x,y,y' * z) = L(x,z,y').  [para(1803(a,1),3402(a,1,3)),rewrite([3541(5)]),flip(a)].

3884 L(L(x,y,C'),y,C) = x.  [back_rewrite(1691),rewrite([3855(8)])].

3885 L(L(x,y,C),y,C') = x.  [back_rewrite(1688),rewrite([3855(5)])].

3887 (x * (y / x)) * L(z,y,x) = (x * y) * (x' * z).  [back_rewrite(1093),rewrite([3855(5)])].

3890 L(x,C,y) = L(x,y,C').  [back_rewrite(3697),rewrite([3857(5)]),flip(a)].

3900 L(x,C',y) = L(x,y,C).  [para(3467(a,1),3884(a,1,1)),flip(a)].

3931 L(c1,A,C) * L(c2,C',A) != L(c1 * c2,A,C).  [para(3900(a,2),20(a,1,2))].

4061 (x * y) * (x' * z) = x * ((y / x) * z).  [para(3531(a,1),88(a,1,2)),rewrite([3887(4)])].

4085 (x * (y / x)) * L(z,y,x) = x * ((y / x) * z).  [back_rewrite(3887),rewrite([4061(8)])].

4149 L(x,C',A') = L(x,A,C').  [para(1351(a,1),3694(a,1,3)),rewrite([3857(7)])].

4218 (C * x) * (x' * y) = x * ((C / x) * y).  [para(3856(a,1),88(a,1,2)),rewrite([1051(4),4085(6)]),flip(a)].

4259 L(x,A * (A * C),A) = L(x,C,A).  [para(16(a,1),3594(a,1,2)),rewrite([16(5,R),67(5)])].

4323 (x' * y) * (x * z) = x' * ((y / x') * z).  [para(3857(a,1),88(a,1,2)),rewrite([1055(3),4085(7)]),flip(a)].

4391 x * L(y' * z,y,x) = (x / y) * z.  [para(35(a,1),3312(a,1,2)),flip(a)].

4518 C' * L(x,C,y) = L(C' * x,C,y).  [para(3890(a,2),3312(a,2,2)),rewrite([1225(5)]),flip(a)].

4542 A' * ((A * C') * (C * (A * x))) = A * L(x,C,A).  [para(4259(a,1),3312(a,2,2)),rewrite([1366(7),69(11),4323(12),316(7),1351(6)])].

4545 (C' * x) * y = (x * C') * y.  [back_rewrite(1105),rewrite([4391(6),109(2)])].

4584 (C' * x) * (y * C) = (x * C') * (C * y).  [para(4545(a,1),785(a,1)),flip(a)].

4867 (C' * x) * (y * C) = C' * ((x * C) * y).  [para(64(a,1),41(a,1,2,2)),rewrite([1122(5)]),flip(a)].

4900 (C * x) * (y * C') = C * ((C' * x) * y).  [para(1345(a,1),41(a,1,2,2)),rewrite([109(3)]),flip(a)].

5005 (x * C') * (C * y) = C' * ((x * C) * y).  [back_rewrite(4584),rewrite([4867(6)]),flip(a)].

5006 A * L(x,C,A) = L(A * x,C,A).  [back_rewrite(4542),rewrite([5005(11),3812(12)]),flip(a)].

5010 L(A * x,C,A) / L(x,C,A) = A.  [para(5006(a,1),6(a,1,1))].

5015 L(x,C,A) / L(A * x,C,A) = A'.  [para(5006(a,1),33(a,1,2))].

5017 L(A * x,C,A) * A = A * (L(x,C,A) * A).  [para(5006(a,1),50(a,1,1))].

5030 A * L(x,A,C') = L(A * x,C,A).  [para(3890(a,1),5006(a,1,2))].

5070 A * (L(x,C,A) * A) = A * (L(x,A,C') * A).  [para(5030(a,1),50(a,1,1)),rewrite([5017(7)])].

5085 L(A * x,C,A) * A = A * (L(x,A,C') * A).  [back_rewrite(5017),rewrite([5070(14)])].

5822 L(x,C,A) * A = L(x,A,C') * A.  [para(5010(a,1),1044(a,2,2)),rewrite([5015(9),5015(16),316(10),5085(9),10(11)]),flip(a)].

5839 (x * (L(y,A,C') * A)) / L(A,L(y,C,A),x) = x * L(y,C,A).  [para(5822(a,1),120(a,1,1,2))].

5854 (x / (y * z)) * y = y' * ((y * x) / z).  [para(2182(a,1),10(a,1,2)),flip(a)].

5988 L(A,x * A',y) = L(A,x,y).  [back_rewrite(3752),rewrite([5854(6),316(6),3598(7)]),flip(a)].

6039 L(A,x * A,y) = L(A,x,y).  [para(7(a,1),5988(a,1,2)),rewrite([316(6)]),flip(a)].

6087 L(A,L(x,C,A),y) = L(A,L(x,A,C'),y).  [para(5822(a,1),6039(a,1,2)),rewrite([6039(8)]),flip(a)].

6095 x * L(y,C,A) = x * L(y,A,C').  [back_rewrite(5839),rewrite([6087(12),120(14)]),flip(a)].

6143 (x * L(y,A,C')) * L(z,L(y,C,A),x) = x * (L(y,C,A) * z).  [para(6095(a,1),88(a,1,1))].

6173 L(x,L(y,C,A),z) = L(x,L(y,A,C'),z).  [para(6095(a,1),3855(a,1,3)),rewrite([3855(7)]),flip(a)].

6188 x * (L(y,C,A) * z) = x * (L(y,A,C') * z).  [back_rewrite(6143),rewrite([6173(9),88(11)]),flip(a)].

6633 C * L(x,C,y) = L(C * x,y,C').  [para(10(a,1),3530(a,1,2,1))].

6898 C' * ((A * C) * x) = L(A * x,C,A).  [para(3811(a,2),6095(a,1)),rewrite([5030(13)])].

7173 (A * x) * x' = A.  [para(35(a,1),321(a,1,2,1)),rewrite([8(5),3(3)]),flip(a)].

7423 L(x,y',A * y) = L(x,y',A).  [para(7173(a,1),3403(a,1,3)),flip(a)].

10546 L(C * x,y,C') * (z * C') = C * (L(C' * x,C,y) * z).  [para(6633(a,1),4900(a,1,1)),rewrite([4518(15)])].

12012 L(x,C,A) * y = L(x,A,C') * y.  [para(6188(a,1),2(a,1)),rewrite([2(7)]),flip(a)].

12931 x * ((C / x) * (y * L(z * C,C',x))) = (x * ((C / x) * (y * C))) * z.  [para(65(a,1),48(a,1,1,2,2,2)),rewrite([4218(7),3784(15),4218(18)

]),flip(a)].

13165 (x * ((C / x) * (y * C))) * (z * C') = x * ((C / x) * (y * L(z,C',x))).  [para(4545(a,2),12931(a,1,2,2,2,1)),rewrite([16(7,R),35(7)]),f

lip(a)].

13196 L(x * L(y,C',A),C,A) = L(x,A,C') * y.  [para(13165(a,2),6898(a,1,2)),rewrite([33(10),4061(11),315(6),3772(11),16(6,R),4149(11),10546(14

),64(8),12012(7),10(10),33(11),7423(14),35(15)]),flip(a)].

13210 L(L(x,A,C') * y,A,C) = x * L(y,C',A).  [para(13196(a,1),3467(a,1,1))].

13235 L(x,A,C) * L(y,C',A) = L(x * y,A,C).  [para(3885(a,1),13210(a,1,1,1)),flip(a)].

13236 $F.  [resolve(13235,a,3931,a)].

 

============================== end of proof ==========================

 

 

% Proof 1 at 0.21 (+ 0.00) seconds.

% Length of proof is 189.

% Level of proof is 29.

% Maximum clause weight is 28.000.

% Given clauses 148.

 

1 L(x * y,C,A) = L(x,C,A) * L(y,C,A) # label(non_clause) # label(goal).  [goal].

2 0 * x = x.  [assumption].

3 x * 0 = x.  [assumption].

4 x * (x \ y) = y.  [assumption].

6 (x * y) / y = x.  [assumption].

7 (x / y) * y = x.  [assumption].

8 x' * x = 0.  [assumption].

9 x * x' = 0.  [assumption].

10 x' * (x * y) = y.  [assumption].

11 x * (x * y) = (x * x) * y.  [assumption].

12 (x * x) * y = x * (x * y).  [copy(11),flip(a)].

13 (x * (y * x)) * z = x * (y * (x * z)).  [assumption].

14 A * ((x * y) * A) = (A * x) * (y * A).  [assumption].

15 (A * x) * (y * A) = A * ((x * y) * A).  [copy(14),flip(a)].

16 C * x = x * C.  [assumption].

17 L(x,y,z) = (z * y)' * (z * (y * x)).  [assumption].

18 (x * y)' * (x * (y * z)) = L(z,y,x).  [copy(17),flip(a)].

19 L(c1 * c2,C,A) != L(c1,C,A) * L(c2,C,A).  [deny(1)].

20 L(c1,C,A) * L(c2,C,A) != L(c1 * c2,C,A).  [copy(19),flip(a)].

29 0 / x = x'.  [para(8(a,1),6(a,1,1))].

31 x'' = x.  [para(9(a,1),6(a,1,1)),rewrite([29(3)])].

32 x \ y = x' * y.  [para(4(a,1),10(a,1,2)),flip(a)].

33 x / (y * x) = y'.  [para(10(a,1),6(a,1,1))].

35 x * (x' * y) = y.  [back_rewrite(4),rewrite([32(1)])].

40 (x * (y * (x * z))) / z = x * (y * x).  [para(13(a,1),6(a,1,1))].

41 x * ((y / x) * (x * z)) = (x * y) * z.  [para(7(a,1),13(a,1,1,2)),flip(a)].

43 (x * (y * x))' * (x * (y * (x * z))) = z.  [para(13(a,1),10(a,1,2))].

48 (x * (y * (z * (y * x)))) * u = x * (y * (z * (y * (x * u)))).  [para(13(a,1),13(a,1,1,2)),rewrite([13(9)])].

50 (A * x) * A = A * (x * A).  [para(2(a,1),15(a,1,2)),rewrite([3(7)])].

51 (A * ((x * y) * A)) / (y * A) = A * x.  [para(15(a,1),6(a,1,1))].

54 A * ((A' * x) * A) = x * A.  [para(9(a,1),15(a,1,1)),rewrite([2(4)]),flip(a)].

63 C * (x / C) = x.  [para(16(a,2),7(a,1))].

64 C' * (x * C) = x.  [para(16(a,1),10(a,1,2))].

65 x' * (C * x) = C.  [para(16(a,2),10(a,1,2))].

67 C * (x * x) = x * (x * C).  [para(16(a,2),12(a,1))].

69 (x * (x * C)) * y = x * (C * (x * y)).  [para(16(a,1),13(a,1,1,2))].

71 (C * (C * x)) * y = C * (x * (C * y)).  [para(16(a,2),13(a,1,1,2))].

87 L(x',x,y) = (y * x)' * y.  [para(9(a,1),18(a,1,2,2)),rewrite([3(4)]),flip(a)].

88 (x * y) * L(z,y,x) = x * (y * z).  [para(18(a,1),10(a,1,2)),rewrite([31(3)])].

89 x' * (y' * ((y * x) * z)) = L(z,y * x,y').  [para(10(a,1),18(a,1,1,1))].

107 x / C = C' * x.  [para(63(a,1),10(a,1,2)),flip(a)].

110 (x * C)' * (x * y) = L(C' * y,C,x).  [para(63(a,1),18(a,1,2,2)),rewrite([107(7)])].

111 x' * C = C * x'.  [para(16(a,2),32(a,2)),rewrite([32(2)])].

112 (x / y)' = y / x.  [para(7(a,1),33(a,1,2)),flip(a)].

117 C / (C * x) = x'.  [para(16(a,2),33(a,1,2))].

118 (x * (y * z)) / L(z,y,x) = x * y.  [para(18(a,1),33(a,1,2)),rewrite([31(7)])].

124 x * (C * x') = C.  [para(16(a,2),35(a,1,2))].

132 (x * C')' * (x * y) = L(y * C,C',x).  [para(64(a,1),18(a,1,2,2))].

168 L(A,x,A) = A.  [para(50(a,1),10(a,1,2)),rewrite([18(8)])].

174 A / (A * (x * A)) = (A * x)'.  [para(50(a,1),33(a,1,2))].

233 (x * A') * A = x.  [para(13(a,1),54(a,1,2)),rewrite([8(7),3(5),35(5)]),flip(a)].

235 x / A = x * A'.  [para(233(a,1),6(a,1,1))].

236 x / A' = x * A.  [para(7(a,1),233(a,1,1)),flip(a)].

243 (x * (y * A'))' * (x * y) = L(A,y * A',x).  [para(233(a,1),18(a,1,2,2))].

245 (x * A) * A' = x.  [para(235(a,1),6(a,1))].

249 (x * A)' = A' / x.  [para(236(a,1),112(a,1,1))].

264 (A * C)' = C' * A'.  [para(16(a,1),249(a,1,1)),rewrite([107(8)])].

274 (C' * A') * (A * (C * x)) = L(x,C,A).  [para(264(a,1),18(a,1,1))].

277 L(x',x,y) / y = (y * x)'.  [para(87(a,2),6(a,1,1))].

291 (C * x)' * x = L(C',C,x).  [para(16(a,2),87(a,2,1,1)),flip(a)].

295 x / L(y',y,x) = x * y.  [para(87(a,2),33(a,1,2)),rewrite([31(6)])].

345 A / (A * (A * C)) = C' * A'.  [para(16(a,1),174(a,1,2,2)),rewrite([264(11)])].

361 x * ((C * x)' * (x * y)) = (x * L(C',C,x)) * y.  [para(291(a,1),13(a,1,1,2)),flip(a)].

363 (x * C)' * x = L(C',C,x).  [para(16(a,1),291(a,1,1,1))].

374 (x * L(C',C,x)) * y = x * L(C' * y,C,x).  [para(363(a,1),13(a,1,1,2)),rewrite([110(11)])].

376 L(C',C,x)' * L(C' * y,C,x) = L(y,x,(x * C)').  [para(363(a,1),18(a,1,1,1)),rewrite([110(10)])].

379 x * ((C * x)' * (x * y)) = x * L(C' * y,C,x).  [back_rewrite(361),rewrite([374(12)])].

396 x * (C * y) = x * (y * C).  [para(16(a,1),88(a,2,2)),rewrite([88(5)])].

399 (x * (y * z))' * (x * (y * (z * u))) = L(L(u,z,y),y * z,x).  [para(88(a,1),18(a,1,2,2))].

403 C * L(x,C * y,y') = y' * ((C * y) * x).  [para(65(a,1),88(a,1,1))].

404 C * L(x,C * y',y) = y * ((C * y') * x).  [para(124(a,1),88(a,1,1))].

415 L(x',x,y) * L(z,y,(y * x)') = (y * x)' * (y * z).  [para(87(a,2),88(a,1,1))].

422 L(L(x,y,z),z * y,y) = x.  [back_rewrite(43),rewrite([399(7)])].

452 L(L(x,y,z / y),z,y) = x.  [para(7(a,1),422(a,1,2))].

465 L(A,A * x,x) = A.  [para(168(a,1),422(a,1,1))].

480 L(x' * (x / y),x,y) = y'.  [para(87(a,1),452(a,1,1)),rewrite([7(2)])].

484 L(x,y * z,z) = L(x,y,z / y).  [para(452(a,1),422(a,1,1))].

485 L(x,y / z,z / (y / z)) = L(x,y,z).  [para(452(a,1),452(a,1,1)),flip(a)].

503 (x * y) * x' = x * (y / x).  [para(480(a,1),88(a,1,2)),rewrite([35(7)])].

507 (x / y) * (y / (x / y)) = x * (y / x).  [para(7(a,1),503(a,1,1)),rewrite([112(2)]),flip(a)].

516 (C * x) * x' = x * (C / x).  [para(16(a,2),503(a,1,1))].

520 (x' * y) * x = x' * (y / x').  [para(31(a,1),503(a,1,2))].

521 x' / (x * (y / x)) = (x * y)'.  [para(503(a,1),33(a,1,2))].

548 (x * (y / x)) * L(z,x',x * y) = (x * y) * (x' * z).  [para(503(a,1),88(a,1,1))].

563 (x * (C / x)) * L(y,x',C * x) = (C * x) * (x' * y).  [para(516(a,1),88(a,1,1))].

566 (x * (y * x))' = x' / (x * y).  [para(6(a,1),521(a,1,2,2)),flip(a)].

569 (C * x)' = C' / x.  [para(16(a,1),521(a,1,2)),rewrite([107(4),16(7,R),35(7)]),flip(a)].

570 (x * C)' = C' / x.  [para(16(a,1),521(a,2,1)),rewrite([107(5),35(7)]),flip(a)].

610 x * L(C' * y,C,x) = (x * C') * y.  [back_rewrite(379),rewrite([569(3),41(6)]),flip(a)].

627 L(C',C,x) = C'.  [back_rewrite(291),rewrite([569(3),7(4)]),flip(a)].

642 L(x,y,C' / y) = C * L(C' * x,C,y).  [back_rewrite(376),rewrite([627(4),31(3),570(10)]),flip(a)].

668 x / C' = x * C.  [para(627(a,1),295(a,1,2))].

669 C * (x * C') = x.  [para(668(a,1),6(a,1)),rewrite([16(5,R)])].

673 C' * x = x * C'.  [para(669(a,1),10(a,1,2))].

682 (x * C')' = C / x.  [para(669(a,1),117(a,1,2)),flip(a)].

706 A / (A * (A * C)) = A' * C'.  [back_rewrite(345),rewrite([673(12)])].

713 (A' * C') * (A * (C * x)) = L(x,C,A).  [back_rewrite(274),rewrite([673(5)])].

719 (C / x) * (x * y) = L(y * C,C',x).  [back_rewrite(132),rewrite([682(4)])].

765 (x' / (x * y)) * (x * ((y * x) * z)) = L(z,y * x,x).  [para(566(a,1),18(a,1,1))].

907 (x' * (y / x')) * L(z,x,x' * y) = (x' * y) * (x * z).  [para(520(a,1),88(a,1,1))].

917 x * ((y / (x * z)) * x) = (x * y) / z.  [para(7(a,1),40(a,1,1,2)),flip(a)].

918 x * ((x * y)' * x) = x / y.  [para(8(a,1),40(a,1,1,2)),rewrite([3(2)]),flip(a)].

929 (x * L(y,z,x)) / (z * y) = x / z.  [para(18(a,1),40(a,1,1,2)),rewrite([918(8)])].

946 x * L(y',y,x) = x / y.  [para(87(a,2),40(a,2,2)),rewrite([40(6),918(4)]),flip(a)].

962 L(x',x,y) = y' * (y / x).  [para(946(a,1),10(a,1,2)),flip(a)].

1004 x' / (x * y) = x' * (y' * x').  [para(10(a,1),918(a,1,2,1,1)),flip(a)].

1081 L(x,y * z,y') = L(x,y * z,z).  [back_rewrite(765),rewrite([1004(3),13(9),10(7),89(6)])].

1129 L(x',x,y) * L(z,y / x,y') = y' * ((y / x) * z).  [para(962(a,2),88(a,1,1))].

1179 (x / y) * (y * z) = x * L(z,y,x).  [para(929(a,1),7(a,1,1))].

1197 (A * A) / (x * A) = A / x.  [para(168(a,1),929(a,1,1,2))].

1220 (A * A) / x = A / (x * A').  [para(7(a,1),1197(a,1,2)),rewrite([235(7)])].

1233 L(x,y,z / y) = L(x,y,z).  [para(7(a,1),1081(a,1,2)),rewrite([112(2),7(4)])].

1234 L(x,y,z * y) = L(x,y,z).  [para(10(a,1),1081(a,1,2)),rewrite([31(2),10(4)]),flip(a)].

1238 L(x,C * y,y) = L(x,y * C,C').  [para(16(a,1),1081(a,1,2)),flip(a)].

1240 L(x,C * y,y') = L(x,y * C,C).  [para(16(a,2),1081(a,1,2))].

1245 L(x,C,C * y) = L(x,C,y).  [para(65(a,1),1081(a,1,2)),rewrite([31(3),65(6)]),flip(a)].

1247 L(x,y' * C,C) = L(x,C * y',y).  [para(111(a,1),1081(a,1,2)),rewrite([31(5)]),flip(a)].

1282 L(x,y / z,L(z',z,y)) = L(x,y / z,y').  [para(946(a,1),1081(a,1,2)),rewrite([946(6)]),flip(a)].

1287 C * L(C' * x,C,y) = L(x,y,C').  [back_rewrite(642),rewrite([1233(4)]),flip(a)].

1288 L(x,y / z,z) = L(x,y,z).  [back_rewrite(485),rewrite([1233(4)])].

1289 L(x,y * z,z) = L(x,y,z).  [back_rewrite(484),rewrite([1233(4)])].

1290 L(L(x,y,z),z,y) = x.  [back_rewrite(452),rewrite([1233(2)])].

1324 L(x,C * y',y) = L(x,y',C).  [back_rewrite(1247),rewrite([1289(5)]),flip(a)].

1327 L(x,C * y,y') = L(x,y,C).  [back_rewrite(1240),rewrite([1289(8)])].

1328 L(x,y * C,C') = L(x,C,y).  [back_rewrite(1238),rewrite([1289(3)]),flip(a)].

1330 L(x,y * z,y') = L(x,y,z).  [back_rewrite(1081),rewrite([1289(5)])].

1337 L(A,A,x) = A.  [back_rewrite(465),rewrite([1289(4)])].

1351 x * ((C * x') * y) = C * L(y,x',C).  [back_rewrite(404),rewrite([1324(5)]),flip(a)].

1359 x' * ((C * x) * y) = C * L(y,x,C).  [back_rewrite(403),rewrite([1327(5)]),flip(a)].

1376 x' * (y' * ((y * x) * z)) = L(z,y,x).  [back_rewrite(89),rewrite([1330(9)])].

1382 (x * A) * A = x * (A * A).  [para(1337(a,1),88(a,1,2))].

1386 L(x,A,y * A') = L(x,A,y).  [para(235(a,1),1233(a,1,3))].

1389 L(x,y,L(z',z,y)) = L(x,y,(y * z)').  [para(277(a,1),1233(a,1,3)),flip(a)].

1437 L(x,y',y * z) = L(x,z,y).  [para(33(a,1),1288(a,1,2)),rewrite([1234(5)])].

1439 L(x,y',C * y) = L(x,C,y).  [para(117(a,1),1288(a,1,2)),rewrite([1245(8)])].

1447 (x * (y / x)) * L(z,y,x) = x * ((y / x) * z).  [para(1288(a,1),88(a,1,2))].

1448 L(x,C,y) = L(x,y,C').  [para(668(a,1),1288(a,1,2)),rewrite([1328(5)])].

1457 (x * y) * (x' * z) = x * ((y / x) * z).  [back_rewrite(548),rewrite([1437(5),1447(4)]),flip(a)].

1458 (C * x) * (x' * y) = x * ((C / x) * y).  [back_rewrite(563),rewrite([1439(7),1447(6)]),flip(a)].

1495 L(c1,A,C') * L(c2,C,A) != L(c1 * c2,C,A).  [para(1448(a,1),20(a,1,1))].

1515 L(x,y,y' * z) = L(x,z,y').  [para(35(a,1),1289(a,1,2)),rewrite([1234(3)]),flip(a)].

1518 L(x,y / z,y') = L(x,y,(y * z)').  [para(946(a,1),1289(a,1,2)),rewrite([1282(4),1389(6)])].

1524 (x' * y) * (x * z) = x' * ((y / x') * z).  [back_rewrite(907),rewrite([1515(7),1447(7)]),flip(a)].

1526 (x * y)' * (x * z) = x' * ((x / y) * z).  [back_rewrite(1129),rewrite([1518(5),415(6)])].

1530 A' * ((A * C') * (C * x)) = L(x,C,A).  [back_rewrite(713),rewrite([1524(10),236(7),673(6)])].

1554 x' * ((x / (y * A')) * y) = L(A,y * A',x).  [back_rewrite(243),rewrite([1526(7)])].

1583 L(x,y * (A * A),A) = L(x,y,A).  [para(1382(a,1),1289(a,1,2)),rewrite([1289(10)])].

1600 L(x,C',A') = L(x,A,C').  [para(673(a,1),1386(a,1,3)),rewrite([1515(7)])].

1682 L(x,A * (A * C),A) = L(x,C,A).  [para(16(a,1),1583(a,1,2)),rewrite([16(5,R),67(5)])].

1722 C * L(x,y,C) = L(x * C,C',y).  [para(1179(a,2),16(a,1)),rewrite([719(4),16(9,R)]),flip(a)].

1728 x * L(y' * z,y,x) = (x / y) * z.  [para(35(a,1),1179(a,1,2)),flip(a)].

1806 A * L(x,C,A) = L(A * x,C,A).  [para(1682(a,1),1179(a,2,2)),rewrite([706(7),69(11),1524(12),236(7),673(6),1530(12)]),flip(a)].

1809 x' * ((C * x) * y) = L(y * C,C',x).  [back_rewrite(1359),rewrite([1722(9)])].

1810 x * ((C * x') * y) = L(y * C,C',x').  [back_rewrite(1351),rewrite([1722(10)])].

1811 (C' * x) * y = (x * C') * y.  [back_rewrite(610),rewrite([1728(6),107(2)])].

1815 L(A * x,C,A) / L(x,C,A) = A.  [para(1806(a,1),6(a,1,1))].

1821 L(x,C,A) / L(A * x,C,A) = A'.  [para(1806(a,1),33(a,1,2))].

1822 L(A * x,C,A) * A = A * (L(x,C,A) * A).  [para(1806(a,1),50(a,1,1))].

1840 (A * C') * (C * x) = L(A * x,C,A).  [para(1806(a,1),1179(a,2)),rewrite([107(3),673(4)])].

1864 (C' * x) * (y * C) = (x * C') * (C * y).  [para(1811(a,1),396(a,1)),flip(a)].

1901 L(A * x,C,A) / L(x,A,C') = A.  [para(1448(a,1),1815(a,1,2))].

1932 L(x,A,C') / L(A * x,C,A) = A'.  [para(1448(a,1),1821(a,1,1))].

1965 (C' * x) * (y * C) = C' * ((x * C) * y).  [para(64(a,1),41(a,1,2,2)),rewrite([668(5)]),flip(a)].

2060 (x * C') * (C * y) = C' * ((x * C) * y).  [back_rewrite(1864),rewrite([1965(6)]),flip(a)].

2062 C' * ((A * C) * x) = L(A * x,C,A).  [back_rewrite(1840),rewrite([2060(7)])].

2067 A / x = A * x'.  [para(8(a,1),51(a,1,1,2,1)),rewrite([2(4),1220(6),245(6)])].

2134 (A * x') * x = A.  [para(2067(a,1),7(a,1,1))].

2152 (A * x) * x' = A.  [para(31(a,1),2134(a,1,1,2))].

2180 L(x,y',A * y) = L(x,y',A).  [para(2152(a,1),1234(a,1,3)),flip(a)].

2284 L(x,C,A) * A = L(x,A,C') * A.  [para(1901(a,1),507(a,2,2)),rewrite([1932(10),1932(17),236(10),1822(9),10(10)])].

2297 (x * (L(y,A,C') * A)) / L(A,L(y,C,A),x) = x * L(y,C,A).  [para(2284(a,1),118(a,1,1,2))].

2316 (x / (y * z)) * y = y' * ((y * x) / z).  [para(917(a,1),10(a,1,2)),flip(a)].

2387 L(A,x * A',y) = L(A,x,y).  [back_rewrite(1554),rewrite([2316(6),236(6),1376(7)]),flip(a)].

2406 L(A,x * A,y) = L(A,x,y).  [para(7(a,1),2387(a,1,2)),rewrite([236(6)]),flip(a)].

2440 L(A,L(x,C,A),y) = L(A,L(x,A,C'),y).  [para(2284(a,1),2406(a,1,2)),rewrite([2406(8)]),flip(a)].

2442 x * L(y,C,A) = x * L(y,A,C').  [back_rewrite(2297),rewrite([2440(12),118(14)]),flip(a)].

2465 L(c1,A,C') * L(c2,A,C') != L(c1 * c2,C,A).  [back_rewrite(1495),rewrite([2442(10)])].

2476 (x * L(y,A,C')) * L(z,L(y,C,A),x) = x * (L(y,C,A) * z).  [para(2442(a,1),88(a,1,1))].

2489 L(x,L(y,C,A),z) = L(x,L(y,A,C'),z).  [para(2442(a,1),1437(a,1,3)),rewrite([1437(7)]),flip(a)].

2498 x * (L(y,C,A) * z) = x * (L(y,A,C') * z).  [back_rewrite(2476),rewrite([2489(9),88(11)]),flip(a)].

2527 C * L(x,C,y) = L(C * x,y,C').  [para(10(a,1),1287(a,1,2,1))].

2576 C * L(x,y,C') = L(C * x,y,C').  [para(1448(a,1),2527(a,1,2))].

2581 L(C * (C * x),y,C') * z = C * (L(x,C,y) * (C * z)).  [para(2527(a,1),71(a,1,1,2)),rewrite([2576(7)])].

3147 L(C * (x * C),y,C') * z = C * (L(x,C,y) * (C * z)).  [para(16(a,1),2581(a,1,1,1,2))].

3210 x * ((C / x) * (y * L(z * C,C',x))) = (x * ((C / x) * (y * C))) * z.  [para(65(a,1),48(a,1,1,2,2,2)),rewrite([1458(7),1809(15),1458(18)]

),flip(a)].

3399 (x * ((C / x) * (y * C))) * (z * C') = x * ((C / x) * (y * L(z,C',x))).  [para(1811(a,2),3210(a,1,2,2,2,1)),rewrite([16(7,R),35(7)]),fli

p(a)].

3530 L(x * L(y,C',A),C,A) = L(x,A,C') * y.  [para(3399(a,2),2062(a,1,2)),rewrite([33(10),1457(11),235(6),1810(11),16(6,R),1600(11),3147(14),6

69(11),2498(8),10(10),33(11),2180(14),35(15)]),flip(a)].

3589 L(x,A,C') * L(y,A,C') = L(x * y,C,A).  [para(1290(a,1),3530(a,1,1,2)),flip(a)].

3590 $F.  [resolve(3589,a,2465,a)].

 

============================== end of proof ==========================