% Length of proof is 13.

% Level of proof is 7.

% Maximum clause weight is 15.

% Given clauses 26.

 

1 (A / A) * x = x # label(non_clause) # label(goal).  [goal].

3 x * (x \ y) = y.  [assumption].

4 x \ (x * y) = y.  [assumption].

5 (x * y) / y = x.  [assumption].

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

8 (A * x) * (y * A) = A * ((x * y) * A).  [copy(7),flip(a)].

11 (A / A) * c1 != c1.  [deny(1)].

15 A * (((A \ x) * y) * A) = x * (y * A).  [para(3(a,1),8(a,1,1)),flip(a)].

25 A \ (x * (y * A)) = ((A \ x) * y) * A.  [para(15(a,1),4(a,1,2))].

72 ((A \ A) * x) * A = x * A.  [para(25(a,1),4(a,1))].

80 (A \ A) * x = x.  [para(72(a,1),5(a,1,1)),rewrite([5(4)]),flip(a)].

83 A \ A = x / x.  [para(80(a,1),5(a,1,1)),flip(a)].

94 $F.  [para(83(a,2),11(a,1,1)),rewrite([80(5)]),xx(a)].

 

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

 

 

 

% Length of proof is 24.

% Level of proof is 11.

% Maximum clause weight is 15.

% Given clauses 44.

 

2 x * (A / A) = x # label(non_clause) # label(goal).  [goal].

3 x * (x \ y) = y.  [assumption].

4 x \ (x * y) = y.  [assumption].

5 (x * y) / y = x.  [assumption].

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

8 (A * x) * (y * A) = A * ((x * y) * A).  [copy(7),flip(a)].

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

10 ((A * x) * A) * y = A * (x * (A * y)).  [copy(9),flip(a)].

12 c2 * (A / A) != c2.  [deny(2)].

15 A * (((A \ x) * y) * A) = x * (y * A).  [para(3(a,1),8(a,1,1)),flip(a)].

24 x * (((A \ x) \ y) * A) = A * (y * A).  [para(3(a,1),15(a,1,2,1)),flip(a)].

25 A \ (x * (y * A)) = ((A \ x) * y) * A.  [para(15(a,1),4(a,1,2))].

65 x \ (A * (y * A)) = ((A \ x) \ y) * A.  [para(24(a,1),4(a,1,2))].

72 ((A \ A) * x) * A = x * A.  [para(25(a,1),4(a,1))].

80 (A \ A) * x = x.  [para(72(a,1),5(a,1,1)),rewrite([5(4)]),flip(a)].

83 A \ A = x / x.  [para(80(a,1),5(a,1,1)),flip(a)].

85 (A * A) * x = A * (A * x).  [para(80(a,1),10(a,2,2)),rewrite([3(5)])].

95 c2 * (A \ A) != c2.  [para(83(a,2),12(a,1,2))].

114 c2 * (x / x) != c2.  [para(83(a,1),95(a,1,2))].

129 (A * x) * A = A * (x * A).  [para(85(a,1),25(a,1,2)),rewrite([4(8),4(9)]),flip(a)].

177 (x \ x) * A = A.  [para(129(a,1),4(a,1,2)),rewrite([65(7),4(4)])].

214 x \ x = A / A.  [para(177(a,1),5(a,1,1)),flip(a)].

217 x * (A / A) = x.  [para(214(a,1),3(a,1,2))].

218 $F.  [resolve(217,a,114,a)].

 

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

 

 

 

% Length of proof is 22.

% Level of proof is 9.

% Maximum clause weight is 15.

% Given clauses 37.

 

2 x * (A / A) = x # label(non_clause) # label(goal).  [goal].

3 x * (x \ y) = y.  [assumption].

4 x \ (x * y) = y.  [assumption].

5 (x * y) / y = x.  [assumption].

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

8 (A * x) * (y * A) = A * ((x * y) * A).  [copy(7),flip(a)].

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

11 c2 * (A / A) != c2.  [deny(2)].

14 A * (((A \ x) * y) * A) = x * (y * A).  [para(3(a,1),8(a,1,1)),flip(a)].

19 ((x * A) * y) \ (x * (A * (y * A))) = A.  [para(9(a,1),4(a,1,2))].

26 x * (((A \ x) \ y) * A) = A * (y * A).  [para(3(a,1),14(a,1,2,1)),flip(a)].

27 A \ (x * (y * A)) = ((A \ x) * y) * A.  [para(14(a,1),4(a,1,2))].

74 x \ (A * (y * A)) = ((A \ x) \ y) * A.  [para(26(a,1),4(a,1,2))].

84 ((A \ A) * x) * A = x * A.  [para(27(a,1),4(a,1))].

92 (A \ A) * x = x.  [para(84(a,1),5(a,1,1)),rewrite([5(4)]),flip(a)].

97 A \ A = x / x.  [para(92(a,1),5(a,1,1)),flip(a)].

100 (x \ x) * A = A.  [para(92(a,1),19(a,1,1,1)),rewrite([92(10),74(7),4(4)])].

135 x / x = y / y.  [para(97(a,1),97(a,1))].

138 x \ x = A / A.  [para(100(a,1),5(a,1,1)),flip(a)].

164 c2 * (x / x) != c2.  [para(135(a,1),11(a,1,2))].

170 x * (A / A) = x.  [para(138(a,1),3(a,1,2))].

171 $F.  [resolve(170,a,164,a)].

 

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

 

 

 

 

% Length of proof is 25.

% Level of proof is 12.

% Maximum clause weight is 15.

% Given clauses 63.

 

1 (A / A) * x = x # label(non_clause) # label(goal).  [goal].

3 x * (x \ y) = y.  [assumption].

4 x \ (x * y) = y.  [assumption].

5 (x * y) / y = x.  [assumption].

6 (x / y) * y = x.  [assumption].

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

8 ((A * x) * A) * y = A * (x * (A * y)).  [copy(7),flip(a)].

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

10 (A / A) * c1 != c1.  [deny(1)].

12 x / (y \ x) = y.  [para(3(a,1),5(a,1,1))].

15 A * ((A \ x) * (A * y)) = (x * A) * y.  [para(3(a,1),8(a,1,1,1)),flip(a)].

17 (A * (x * (A * y))) / y = (A * x) * A.  [para(8(a,1),5(a,1,1))].

21 (x / A) * (A * (y * A)) = (x * y) * A.  [para(6(a,1),9(a,1,1,1)),flip(a)].

29 A \ ((x * A) * y) = (A \ x) * (A * y).  [para(15(a,1),4(a,1,2))].

37 (A * (x / (A * y))) * A = (A * x) / y.  [para(6(a,1),17(a,1,1,2)),flip(a)].

81 (A \ (x / A)) * (A * y) = A \ (x * y).  [para(6(a,1),29(a,1,2,1)),flip(a)].

105 (A * (x / (A * y))) \ ((A * x) / y) = A.  [para(37(a,1),4(a,1,2))].

282 (A * (x / (A * x))) \ A = A.  [para(5(a,1),105(a,1,2))].

296 (A * ((A \ x) / x)) \ A = A.  [para(3(a,1),282(a,1,1,2,2))].

302 A * ((A \ x) / x) = A / A.  [para(296(a,1),12(a,1,2)),flip(a)].

325 A \ (A / A) = (A \ x) / x.  [para(302(a,1),4(a,1,2))].

371 ((A \ A) * x) * A = x * A.  [para(325(a,2),21(a,1,1)),rewrite([81(10),4(6)]),flip(a)].

430 (A \ A) * x = x.  [para(371(a,1),5(a,1,1)),rewrite([5(4)]),flip(a)].

450 A \ A = x / x.  [para(430(a,1),5(a,1,1)),flip(a)].

571 $F.  [para(450(a,2),10(a,1,1)),rewrite([430(5)]),xx(a)].

 

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

 

 

% Length of proof is 32.

% Level of proof is 14.

% Maximum clause weight is 15.

% Given clauses 63.

 

2 x * (A / A) = x # label(non_clause) # label(goal).  [goal].

3 x * (x \ y) = y.  [assumption].

4 x \ (x * y) = y.  [assumption].

5 (x * y) / y = x.  [assumption].

6 (x / y) * y = x.  [assumption].

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

8 ((A * x) * A) * y = A * (x * (A * y)).  [copy(7),flip(a)].

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

11 c2 * (A / A) != c2.  [deny(2)].

12 x / (y \ x) = y.  [para(3(a,1),5(a,1,1))].

15 A * ((A \ x) * (A * y)) = (x * A) * y.  [para(3(a,1),8(a,1,1,1)),flip(a)].

17 (A * (x * (A * y))) / y = (A * x) * A.  [para(8(a,1),5(a,1,1))].

18 x * (A * (((x * A) \ y) * A)) = y * A.  [para(3(a,1),9(a,1,1)),flip(a)].

21 (x / A) * (A * (y * A)) = (x * y) * A.  [para(6(a,1),9(a,1,1,1)),flip(a)].

28 (x * A) * (A \ y) = A * ((A \ x) * y).  [para(3(a,1),15(a,1,2,2)),flip(a)].

29 A \ ((x * A) * y) = (A \ x) * (A * y).  [para(15(a,1),4(a,1,2))].

37 (A * (x / (A * y))) * A = (A * x) / y.  [para(6(a,1),17(a,1,1,2)),flip(a)].

40 A * (((x * A) \ y) * A) = x \ (y * A).  [para(18(a,1),4(a,1,2)),flip(a)].

75 A * ((A \ (x / A)) * y) = x * (A \ y).  [para(6(a,1),28(a,1,1)),flip(a)].

81 (A \ (x / A)) * (A * y) = A \ (x * y).  [para(6(a,1),29(a,1,2,1)),flip(a)].

105 (A * (x / (A * y))) \ ((A * x) / y) = A.  [para(37(a,1),4(a,1,2))].

282 (A * (x / (A * x))) \ A = A.  [para(5(a,1),105(a,1,2))].

296 (A * ((A \ x) / x)) \ A = A.  [para(3(a,1),282(a,1,1,2,2))].

302 A * ((A \ x) / x) = A / A.  [para(296(a,1),12(a,1,2)),flip(a)].

325 A \ (A / A) = (A \ x) / x.  [para(302(a,1),4(a,1,2))].

371 ((A \ A) * x) * A = x * A.  [para(325(a,2),21(a,1,1)),rewrite([81(10),4(6)]),flip(a)].

430 (A \ A) * x = x.  [para(371(a,1),5(a,1,1)),rewrite([5(4)]),flip(a)].

449 (A \ A) \ x = x.  [para(430(a,1),3(a,1))].

450 A \ A = x / x.  [para(430(a,1),5(a,1,1)),flip(a)].

461 A * ((A \ x) * A) = x * A.  [para(430(a,1),40(a,1,2,1,1)),rewrite([449(12)])].

579 x * (y / y) = x.  [para(450(a,1),75(a,2,2)),rewrite([461(8),6(4)]),flip(a)].

580 $F.  [resolve(579,a,11,a)].

 

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