TSTP Solution File: SET765+4 by SuperZenon---0.0.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SuperZenon---0.0.1
% Problem  : SET765+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_super_zenon -p0 -itptp -om -max-time %d %s

% Computer : n013.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 05:43:50 EDT 2022

% Result   : Theorem 1.17s 1.35s
% Output   : Proof 1.17s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET765+4 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.13  % Command  : run_super_zenon -p0 -itptp -om -max-time %d %s
% 0.13/0.34  % Computer : n013.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jul 11 00:54:00 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.17/1.35  % SZS status Theorem
% 1.17/1.35  (* PROOF-FOUND *)
% 1.17/1.35  (* BEGIN-PROOF *)
% 1.17/1.35  % SZS output start Proof
% 1.17/1.35  1. (member T_0 T_1) (-. (member T_0 T_1))   ### Axiom
% 1.17/1.35  2. (-. (member T_0 T_2)) (member T_0 T_2)   ### Axiom
% 1.17/1.35  3. ((member T_0 T_1) => (member T_0 T_2)) (-. (member T_0 T_2)) (member T_0 T_1)   ### Imply 1 2
% 1.17/1.35  4. (All X, ((member X T_1) => (member X T_2))) (member T_0 T_1) (-. (member T_0 T_2))   ### All 3
% 1.17/1.35  5. (-. (apply T_3 T_0 T_0)) (apply T_3 T_0 T_0)   ### Axiom
% 1.17/1.35  6. ((member T_0 T_2) => (apply T_3 T_0 T_0)) (-. (apply T_3 T_0 T_0)) (member T_0 T_1) (All X, ((member X T_1) => (member X T_2)))   ### Imply 4 5
% 1.17/1.35  7. (All X, ((member X T_2) => (apply T_3 X X))) (All X, ((member X T_1) => (member X T_2))) (member T_0 T_1) (-. (apply T_3 T_0 T_0))   ### All 6
% 1.17/1.35  8. (-. ((member T_0 T_1) => (apply T_3 T_0 T_0))) (All X, ((member X T_1) => (member X T_2))) (All X, ((member X T_2) => (apply T_3 X X)))   ### NotImply 7
% 1.17/1.35  9. (-. (All X, ((member X T_1) => (apply T_3 X X)))) (All X, ((member X T_2) => (apply T_3 X X))) (All X, ((member X T_1) => (member X T_2)))   ### NotAllEx 8
% 1.17/1.35  10. (member T_4 T_1) (-. (member T_4 T_1))   ### Axiom
% 1.17/1.35  11. (-. (member T_4 T_2)) (member T_4 T_2)   ### Axiom
% 1.17/1.35  12. ((member T_4 T_1) => (member T_4 T_2)) (-. (member T_4 T_2)) (member T_4 T_1)   ### Imply 10 11
% 1.17/1.35  13. (All X, ((member X T_1) => (member X T_2))) (member T_4 T_1) (-. (member T_4 T_2))   ### All 12
% 1.17/1.35  14. (member T_5 T_1) (-. (member T_5 T_1))   ### Axiom
% 1.17/1.35  15. (-. (member T_5 T_2)) (member T_5 T_2)   ### Axiom
% 1.17/1.35  16. ((member T_5 T_1) => (member T_5 T_2)) (-. (member T_5 T_2)) (member T_5 T_1)   ### Imply 14 15
% 1.17/1.35  17. (All X, ((member X T_1) => (member X T_2))) (member T_5 T_1) (-. (member T_5 T_2))   ### All 16
% 1.17/1.35  18. (apply T_3 T_4 T_5) (-. (apply T_3 T_4 T_5))   ### Axiom
% 1.17/1.35  19. (-. (apply T_3 T_5 T_4)) (apply T_3 T_5 T_4)   ### Axiom
% 1.17/1.35  20. (((member T_4 T_2) /\ (member T_5 T_2)) => ((apply T_3 T_4 T_5) => (apply T_3 T_5 T_4))) (-. (apply T_3 T_5 T_4)) (apply T_3 T_4 T_5) (member T_5 T_1) (member T_4 T_1) (All X, ((member X T_1) => (member X T_2)))   ### DisjTree 13 17 18 19
% 1.17/1.35  21. (All Y, (((member T_4 T_2) /\ (member Y T_2)) => ((apply T_3 T_4 Y) => (apply T_3 Y T_4)))) (All X, ((member X T_1) => (member X T_2))) (member T_4 T_1) (member T_5 T_1) (apply T_3 T_4 T_5) (-. (apply T_3 T_5 T_4))   ### All 20
% 1.17/1.35  22. (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X))))) (-. (apply T_3 T_5 T_4)) (apply T_3 T_4 T_5) (member T_5 T_1) (member T_4 T_1) (All X, ((member X T_1) => (member X T_2)))   ### All 21
% 1.17/1.35  23. (-. (((member T_4 T_1) /\ (member T_5 T_1)) => ((apply T_3 T_4 T_5) => (apply T_3 T_5 T_4)))) (All X, ((member X T_1) => (member X T_2))) (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X)))))   ### ConjTree 22
% 1.17/1.35  24. (-. (All Y, (((member T_4 T_1) /\ (member Y T_1)) => ((apply T_3 T_4 Y) => (apply T_3 Y T_4))))) (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X))))) (All X, ((member X T_1) => (member X T_2)))   ### NotAllEx 23
% 1.17/1.35  25. (-. (All X, (All Y, (((member X T_1) /\ (member Y T_1)) => ((apply T_3 X Y) => (apply T_3 Y X)))))) (All X, ((member X T_1) => (member X T_2))) (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X)))))   ### NotAllEx 24
% 1.17/1.35  26. (member T_6 T_1) (-. (member T_6 T_1))   ### Axiom
% 1.17/1.35  27. (-. (member T_6 T_2)) (member T_6 T_2)   ### Axiom
% 1.17/1.35  28. ((member T_6 T_1) => (member T_6 T_2)) (-. (member T_6 T_2)) (member T_6 T_1)   ### Imply 26 27
% 1.17/1.35  29. (All X, ((member X T_1) => (member X T_2))) (member T_6 T_1) (-. (member T_6 T_2))   ### All 28
% 1.17/1.35  30. (member T_7 T_1) (-. (member T_7 T_1))   ### Axiom
% 1.17/1.35  31. (-. (member T_7 T_2)) (member T_7 T_2)   ### Axiom
% 1.17/1.35  32. ((member T_7 T_1) => (member T_7 T_2)) (-. (member T_7 T_2)) (member T_7 T_1)   ### Imply 30 31
% 1.17/1.35  33. (All X, ((member X T_1) => (member X T_2))) (member T_7 T_1) (-. (member T_7 T_2))   ### All 32
% 1.17/1.35  34. (member T_8 T_1) (-. (member T_8 T_1))   ### Axiom
% 1.17/1.35  35. (-. (member T_8 T_2)) (member T_8 T_2)   ### Axiom
% 1.17/1.35  36. ((member T_8 T_1) => (member T_8 T_2)) (-. (member T_8 T_2)) (member T_8 T_1)   ### Imply 34 35
% 1.17/1.35  37. (All X, ((member X T_1) => (member X T_2))) (member T_8 T_1) (-. (member T_8 T_2))   ### All 36
% 1.17/1.35  38. (-. ((member T_8 T_2) /\ (member T_8 T_2))) (member T_8 T_1) (All X, ((member X T_1) => (member X T_2)))   ### NotAnd 37 37
% 1.17/1.35  39. (member T_8 T_2) (-. (member T_8 T_2))   ### Axiom
% 1.17/1.35  40. (member T_6 T_2) (-. (member T_6 T_2))   ### Axiom
% 1.17/1.35  41. (member T_7 T_2) (-. (member T_7 T_2))   ### Axiom
% 1.17/1.35  42. (apply T_3 T_8 T_6) (-. (apply T_3 T_8 T_6))   ### Axiom
% 1.17/1.35  43. (apply T_3 T_6 T_7) (-. (apply T_3 T_6 T_7))   ### Axiom
% 1.17/1.35  44. (-. (apply T_3 T_8 T_7)) (apply T_3 T_8 T_7)   ### Axiom
% 1.17/1.35  45. (((member T_8 T_2) /\ ((member T_6 T_2) /\ (member T_7 T_2))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 T_7)) => (apply T_3 T_8 T_7))) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_7 T_2) (member T_6 T_2) (member T_8 T_2)   ### DisjTree 39 40 41 42 43 44
% 1.17/1.35  46. (All Z, (((member T_8 T_2) /\ ((member T_6 T_2) /\ (member Z T_2))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 Z)) => (apply T_3 T_8 Z)))) (member T_8 T_2) (member T_6 T_2) (member T_7 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7))   ### All 45
% 1.17/1.35  47. ((member T_8 T_2) /\ (member T_8 T_2)) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_7 T_2) (member T_6 T_2) (All Z, (((member T_8 T_2) /\ ((member T_6 T_2) /\ (member Z T_2))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 Z)) => (apply T_3 T_8 Z))))   ### And 46
% 1.17/1.35  48. ((member T_8 (intersection T_2 T_2)) <=> ((member T_8 T_2) /\ (member T_8 T_2))) (All Z, (((member T_8 T_2) /\ ((member T_6 T_2) /\ (member Z T_2))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 Z)) => (apply T_3 T_8 Z)))) (member T_6 T_2) (member T_7 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (All X, ((member X T_1) => (member X T_2))) (member T_8 T_1)   ### Equiv 38 47
% 1.17/1.35  49. (All B, ((member T_8 (intersection T_2 B)) <=> ((member T_8 T_2) /\ (member T_8 B)))) (member T_8 T_1) (All X, ((member X T_1) => (member X T_2))) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_7 T_2) (member T_6 T_2) (All Z, (((member T_8 T_2) /\ ((member T_6 T_2) /\ (member Z T_2))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 Z)) => (apply T_3 T_8 Z))))   ### All 48
% 1.17/1.35  50. (All Y, (All Z, (((member T_8 T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 T_8 Y) /\ (apply T_3 Y Z)) => (apply T_3 T_8 Z))))) (member T_6 T_2) (member T_7 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (All X, ((member X T_1) => (member X T_2))) (member T_8 T_1) (All B, ((member T_8 (intersection T_2 B)) <=> ((member T_8 T_2) /\ (member T_8 B))))   ### All 49
% 1.17/1.35  51. (All A, (All B, ((member T_8 (intersection A B)) <=> ((member T_8 A) /\ (member T_8 B))))) (member T_8 T_1) (All X, ((member X T_1) => (member X T_2))) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_7 T_2) (member T_6 T_2) (All Y, (All Z, (((member T_8 T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 T_8 Y) /\ (apply T_3 Y Z)) => (apply T_3 T_8 Z)))))   ### All 50
% 1.17/1.35  52. (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All Y, (All Z, (((member T_8 T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 T_8 Y) /\ (apply T_3 Y Z)) => (apply T_3 T_8 Z))))) (member T_6 T_2) (member T_7 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (All X, ((member X T_1) => (member X T_2))) (member T_8 T_1)   ### All 51
% 1.17/1.35  53. (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (All X, ((member X T_1) => (member X T_2))) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_7 T_2) (member T_6 T_2) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B))))))   ### All 52
% 1.17/1.35  54. (-. (-. (member T_7 T_2))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_6 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (All X, ((member X T_1) => (member X T_2))) (member T_8 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z))))))   ### NotNot 53
% 1.17/1.38  55. (-. ((member T_7 T_2) /\ (-. (member T_7 T_2)))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_6 T_2) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_7 T_1) (All X, ((member X T_1) => (member X T_2)))   ### NotAnd 33 54
% 1.17/1.38  56. (-. (member T_7 T_2)) (member T_7 T_2)   ### Axiom
% 1.17/1.38  57. ((member T_7 T_2) /\ (-. (member T_7 T_2)))   ### And 56
% 1.17/1.38  58. ((member T_7 (difference T_2 T_2)) <=> ((member T_7 T_2) /\ (-. (member T_7 T_2)))) (All X, ((member X T_1) => (member X T_2))) (member T_7 T_1) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_6 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (member T_8 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z))))))   ### Equiv 55 57
% 1.17/1.38  59. (All E, ((member T_7 (difference E T_2)) <=> ((member T_7 E) /\ (-. (member T_7 T_2))))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (member T_6 T_2) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_7 T_1) (All X, ((member X T_1) => (member X T_2)))   ### All 58
% 1.17/1.38  60. (All A, (All E, ((member T_7 (difference E A)) <=> ((member T_7 E) /\ (-. (member T_7 A)))))) (All X, ((member X T_1) => (member X T_2))) (member T_7 T_1) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_6 T_2) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (member T_8 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z))))))   ### All 59
% 1.17/1.38  61. (-. (-. (member T_6 T_2))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_7 T_1) (All X, ((member X T_1) => (member X T_2))) (All A, (All E, ((member T_7 (difference E A)) <=> ((member T_7 E) /\ (-. (member T_7 A))))))   ### NotNot 60
% 1.17/1.38  62. (-. ((member T_6 T_2) /\ (-. (member T_6 T_2)))) (All A, (All E, ((member T_7 (difference E A)) <=> ((member T_7 E) /\ (-. (member T_7 A)))))) (member T_7 T_1) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (member T_8 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_6 T_1) (All X, ((member X T_1) => (member X T_2)))   ### NotAnd 29 61
% 1.17/1.38  63. (-. (member T_6 T_2)) (member T_6 T_2)   ### Axiom
% 1.17/1.38  64. ((member T_6 T_2) /\ (-. (member T_6 T_2)))   ### And 63
% 1.17/1.38  65. ((member T_6 (difference T_2 T_2)) <=> ((member T_6 T_2) /\ (-. (member T_6 T_2)))) (All X, ((member X T_1) => (member X T_2))) (member T_6 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_7 T_1) (All A, (All E, ((member T_7 (difference E A)) <=> ((member T_7 E) /\ (-. (member T_7 A))))))   ### Equiv 62 64
% 1.17/1.38  66. (All E, ((member T_6 (difference E T_2)) <=> ((member T_6 E) /\ (-. (member T_6 T_2))))) (All A, (All E, ((member T_7 (difference E A)) <=> ((member T_7 E) /\ (-. (member T_7 A)))))) (member T_7 T_1) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (member T_8 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_6 T_1) (All X, ((member X T_1) => (member X T_2)))   ### All 65
% 1.17/1.38  67. (All A, (All E, ((member T_6 (difference E A)) <=> ((member T_6 E) /\ (-. (member T_6 A)))))) (All X, ((member X T_1) => (member X T_2))) (member T_6 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_7 T_1) (All A, (All E, ((member T_7 (difference E A)) <=> ((member T_7 E) /\ (-. (member T_7 A))))))   ### All 66
% 1.17/1.38  68. (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (member T_7 T_1) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (apply T_3 T_8 T_6) (apply T_3 T_6 T_7) (-. (apply T_3 T_8 T_7)) (member T_8 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_6 T_1) (All X, ((member X T_1) => (member X T_2))) (All A, (All E, ((member T_6 (difference E A)) <=> ((member T_6 E) /\ (-. (member T_6 A))))))   ### All 67
% 1.17/1.38  69. (All X, ((member X T_1) => (member X T_2))) (member T_6 T_1) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (member T_8 T_1) (-. (apply T_3 T_8 T_7)) (apply T_3 T_6 T_7) (apply T_3 T_8 T_6) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (member T_7 T_1) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A)))))))   ### All 68
% 1.17/1.38  70. (-. (((member T_8 T_1) /\ ((member T_6 T_1) /\ (member T_7 T_1))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 T_7)) => (apply T_3 T_8 T_7)))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, ((member X T_1) => (member X T_2)))   ### ConjTree 69
% 1.17/1.38  71. (-. (All Z, (((member T_8 T_1) /\ ((member T_6 T_1) /\ (member Z T_1))) => (((apply T_3 T_8 T_6) /\ (apply T_3 T_6 Z)) => (apply T_3 T_8 Z))))) (All X, ((member X T_1) => (member X T_2))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A)))))))   ### NotAllEx 70
% 1.17/1.38  72. (-. (All Y, (All Z, (((member T_8 T_1) /\ ((member Y T_1) /\ (member Z T_1))) => (((apply T_3 T_8 Y) /\ (apply T_3 Y Z)) => (apply T_3 T_8 Z)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, ((member X T_1) => (member X T_2)))   ### NotAllEx 71
% 1.17/1.38  73. (-. (All X, (All Y, (All Z, (((member X T_1) /\ ((member Y T_1) /\ (member Z T_1))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z))))))) (All X, ((member X T_1) => (member X T_2))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A)))))))   ### NotAllEx 72
% 1.17/1.39  74. (-. ((All X, ((member X T_1) => (apply T_3 X X))) /\ ((All X, (All Y, (((member X T_1) /\ (member Y T_1)) => ((apply T_3 X Y) => (apply T_3 Y X))))) /\ (All X, (All Y, (All Z, (((member X T_1) /\ ((member Y T_1) /\ (member Z T_1))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z))))))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X))))) (All X, ((member X T_1) => (member X T_2))) (All X, ((member X T_2) => (apply T_3 X X)))   ### DisjTree 9 25 73
% 1.17/1.39  75. (-. (equivalence T_3 T_1)) (All X, ((member X T_2) => (apply T_3 X X))) (All X, ((member X T_1) => (member X T_2))) (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X))))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A)))))))   ### Definition-Pseudo(equivalence) 74
% 1.17/1.39  76. (subset T_1 T_2) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))) (All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X))))) (All X, ((member X T_2) => (apply T_3 X X))) (-. (equivalence T_3 T_1))   ### Definition-Pseudo(subset) 75
% 1.17/1.39  77. ((All X, ((member X T_2) => (apply T_3 X X))) /\ ((All X, (All Y, (((member X T_2) /\ (member Y T_2)) => ((apply T_3 X Y) => (apply T_3 Y X))))) /\ (All X, (All Y, (All Z, (((member X T_2) /\ ((member Y T_2) /\ (member Z T_2))) => (((apply T_3 X Y) /\ (apply T_3 Y Z)) => (apply T_3 X Z)))))))) (-. (equivalence T_3 T_1)) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (subset T_1 T_2)   ### ConjTree 76
% 1.17/1.39  78. (equivalence T_3 T_2) (subset T_1 T_2) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (-. (equivalence T_3 T_1))   ### Definition-Pseudo(equivalence) 77
% 1.17/1.39  79. (-. (((equivalence T_3 T_2) /\ (subset T_1 T_2)) => (equivalence T_3 T_1))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A)))))))   ### ConjTree 78
% 1.17/1.39  80. (-. (All X, (((equivalence T_3 T_2) /\ (subset X T_2)) => (equivalence T_3 X)))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B))))))   ### NotAllEx 79
% 1.17/1.39  81. (-. (All R, (All X, (((equivalence R T_2) /\ (subset X T_2)) => (equivalence R X))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A)))))))   ### NotAllEx 80
% 1.17/1.39  82. (-. (All E, (All R, (All X, (((equivalence R E) /\ (subset X E)) => (equivalence R X)))))) (All B, (All A, (All E, ((member B (difference E A)) <=> ((member B E) /\ (-. (member B A))))))) (All X, (All A, (All B, ((member X (intersection A B)) <=> ((member X A) /\ (member X B))))))   ### NotAllEx 81
% 1.17/1.39  % SZS output end Proof
% 1.17/1.39  (* END-PROOF *)
%------------------------------------------------------------------------------