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SuperZenon---0.0.1.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : SuperZenon---0.0.1
% Problem  : SET641+3 : 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 : n020.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 05:43:05 EDT 2022

% Result   : Theorem 27.08s 27.29s
% Output   : Proof 27.40s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET641+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command  : run_super_zenon -p0 -itptp -om -max-time %d %s
% 0.13/0.34  % Computer : n020.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 : Sun Jul 10 08:23:43 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 27.08/27.29  % SZS status Theorem
% 27.08/27.29  (* PROOF-FOUND *)
% 27.08/27.29  (* BEGIN-PROOF *)
% 27.08/27.29  % SZS output start Proof
% 27.08/27.29  1. (ilf_type T_0 (set_type)) (-. (ilf_type T_0 (set_type)))   ### Axiom
% 27.08/27.29  2. (ilf_type T_1 (set_type)) (-. (ilf_type T_1 (set_type)))   ### Axiom
% 27.08/27.29  3. (ilf_type T_0 (set_type)) (-. (ilf_type T_0 (set_type)))   ### Axiom
% 27.08/27.29  4. (ilf_type T_1 (set_type)) (-. (ilf_type T_1 (set_type)))   ### Axiom
% 27.08/27.29  5. (-. (ilf_type (cross_product T_0 T_1) (set_type))) (ilf_type (cross_product T_0 T_1) (set_type))   ### Axiom
% 27.08/27.29  6. ((ilf_type T_1 (set_type)) => (ilf_type (cross_product T_0 T_1) (set_type))) (-. (ilf_type (cross_product T_0 T_1) (set_type))) (ilf_type T_1 (set_type))   ### Imply 4 5
% 27.08/27.29  7. (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product T_0 C) (set_type)))) (ilf_type T_1 (set_type)) (-. (ilf_type (cross_product T_0 T_1) (set_type)))   ### All 6
% 27.08/27.29  8. ((ilf_type T_0 (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product T_0 C) (set_type))))) (-. (ilf_type (cross_product T_0 T_1) (set_type))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type))   ### Imply 3 7
% 27.08/27.29  9. (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (ilf_type (cross_product T_0 T_1) (set_type)))   ### All 8
% 27.08/27.29  10. (ilf_type T_2 (set_type)) (-. (ilf_type T_2 (set_type)))   ### Axiom
% 27.08/27.29  11. (ilf_type T_2 (set_type)) (-. (ilf_type T_2 (set_type)))   ### Axiom
% 27.08/27.29  12. (-. (ilf_type (power_set (cross_product T_0 T_1)) (set_type))) (ilf_type (power_set (cross_product T_0 T_1)) (set_type))   ### Axiom
% 27.08/27.29  13. ((-. (empty (power_set (cross_product T_0 T_1)))) /\ (ilf_type (power_set (cross_product T_0 T_1)) (set_type))) (-. (ilf_type (power_set (cross_product T_0 T_1)) (set_type)))   ### And 12
% 27.08/27.29  14. ((ilf_type (cross_product T_0 T_1) (set_type)) => ((-. (empty (power_set (cross_product T_0 T_1)))) /\ (ilf_type (power_set (cross_product T_0 T_1)) (set_type)))) (-. (ilf_type (power_set (cross_product T_0 T_1)) (set_type))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type))))))   ### Imply 9 13
% 27.08/27.29  15. (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (ilf_type (power_set (cross_product T_0 T_1)) (set_type)))   ### All 14
% 27.08/27.29  16. (-. (empty (power_set (cross_product T_0 T_1)))) (empty (power_set (cross_product T_0 T_1)))   ### Axiom
% 27.08/27.29  17. (ilf_type T_2 (set_type)) (-. (ilf_type T_2 (set_type)))   ### Axiom
% 27.08/27.29  18. (ilf_type T_2 (set_type)) (-. (ilf_type T_2 (set_type)))   ### Axiom
% 27.08/27.29  19. (subset T_2 (cross_product T_0 T_1)) (-. (subset T_2 (cross_product T_0 T_1)))   ### Axiom
% 27.08/27.29  20. (-. (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))   ### Axiom
% 27.08/27.29  21. ((subset T_2 (cross_product T_0 T_1)) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (-. (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (subset T_2 (cross_product T_0 T_1))   ### Equiv 19 20
% 27.08/27.29  22. ((ilf_type (cross_product T_0 T_1) (set_type)) => ((subset T_2 (cross_product T_0 T_1)) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1))))))) (subset T_2 (cross_product T_0 T_1)) (-. (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type))))))   ### Imply 9 21
% 27.08/27.29  23. (All C, ((ilf_type C (set_type)) => ((subset T_2 C) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D C))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (subset T_2 (cross_product T_0 T_1))   ### All 22
% 27.08/27.29  24. ((ilf_type T_2 (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset T_2 C) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D C)))))))) (subset T_2 (cross_product T_0 T_1)) (-. (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type))   ### Imply 18 23
% 27.08/27.29  25. (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (subset T_2 (cross_product T_0 T_1))   ### All 24
% 27.08/27.29  26. (-. (member T_2 (power_set (cross_product T_0 T_1)))) (member T_2 (power_set (cross_product T_0 T_1)))   ### Axiom
% 27.08/27.29  27. ((member T_2 (power_set (cross_product T_0 T_1))) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1)))))) (-. (member T_2 (power_set (cross_product T_0 T_1)))) (subset T_2 (cross_product T_0 T_1)) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C)))))))))   ### Equiv 25 26
% 27.08/27.29  28. ((ilf_type (cross_product T_0 T_1) (set_type)) => ((member T_2 (power_set (cross_product T_0 T_1))) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D (cross_product T_0 T_1))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (subset T_2 (cross_product T_0 T_1)) (-. (member T_2 (power_set (cross_product T_0 T_1)))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type))))))   ### Imply 9 27
% 27.08/27.29  29. (All C, ((ilf_type C (set_type)) => ((member T_2 (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D C))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (member T_2 (power_set (cross_product T_0 T_1)))) (subset T_2 (cross_product T_0 T_1)) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C)))))))))   ### All 28
% 27.08/27.29  30. ((ilf_type T_2 (set_type)) => (All C, ((ilf_type C (set_type)) => ((member T_2 (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D T_2) => (member D C)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (-. (member T_2 (power_set (cross_product T_0 T_1)))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type))   ### Imply 17 29
% 27.08/27.29  31. (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (member T_2 (power_set (cross_product T_0 T_1)))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C)))))))))   ### All 30
% 27.15/27.33  32. (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))   ### Axiom
% 27.15/27.33  33. ((ilf_type T_2 (member_type (power_set (cross_product T_0 T_1)))) <=> (member T_2 (power_set (cross_product T_0 T_1)))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C)))))))))   ### Equiv 31 32
% 27.15/27.33  34. (((-. (empty (power_set (cross_product T_0 T_1)))) /\ (ilf_type (power_set (cross_product T_0 T_1)) (set_type))) => ((ilf_type T_2 (member_type (power_set (cross_product T_0 T_1)))) <=> (member T_2 (power_set (cross_product T_0 T_1))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (-. (empty (power_set (cross_product T_0 T_1))))   ### DisjTree 16 15 33
% 27.15/27.33  35. (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type T_2 (member_type C)) <=> (member T_2 C)))) (-. (empty (power_set (cross_product T_0 T_1)))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C)))))))))   ### All 34
% 27.15/27.33  36. (empty (power_set (cross_product T_0 T_1))) (-. (empty (power_set (cross_product T_0 T_1))))   ### Axiom
% 27.15/27.33  37. ((-. (empty (power_set (cross_product T_0 T_1)))) /\ (ilf_type (power_set (cross_product T_0 T_1)) (set_type))) (empty (power_set (cross_product T_0 T_1)))   ### And 36
% 27.15/27.33  38. ((ilf_type (cross_product T_0 T_1) (set_type)) => ((-. (empty (power_set (cross_product T_0 T_1)))) /\ (ilf_type (power_set (cross_product T_0 T_1)) (set_type)))) (empty (power_set (cross_product T_0 T_1))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type))))))   ### Imply 9 37
% 27.15/27.33  39. (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (empty (power_set (cross_product T_0 T_1)))   ### All 38
% 27.15/27.33  40. ((empty (power_set (cross_product T_0 T_1))) <=> (All C, ((ilf_type C (set_type)) => (-. (member C (power_set (cross_product T_0 T_1))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type T_2 (member_type C)) <=> (member T_2 C))))   ### Equiv 35 39
% 27.15/27.33  41. ((ilf_type (power_set (cross_product T_0 T_1)) (set_type)) => ((empty (power_set (cross_product T_0 T_1))) <=> (All C, ((ilf_type C (set_type)) => (-. (member C (power_set (cross_product T_0 T_1)))))))) (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type T_2 (member_type C)) <=> (member T_2 C)))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type)))))   ### Imply 15 40
% 27.15/27.33  42. (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type T_2 (member_type C)) <=> (member T_2 C))))   ### All 41
% 27.15/27.33  43. ((ilf_type T_2 (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type T_2 (member_type C)) <=> (member T_2 C))))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (ilf_type T_2 (set_type))   ### Imply 11 42
% 27.40/27.58  44. (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (-. (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1)))))   ### All 43
% 27.40/27.58  45. (-. (ilf_type T_2 (subset_type (cross_product T_0 T_1)))) (ilf_type T_2 (subset_type (cross_product T_0 T_1)))   ### Axiom
% 27.40/27.58  46. ((ilf_type T_2 (subset_type (cross_product T_0 T_1))) <=> (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1))))) (-. (ilf_type T_2 (subset_type (cross_product T_0 T_1)))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C))))))   ### Equiv 44 45
% 27.40/27.58  47. ((ilf_type T_2 (set_type)) => ((ilf_type T_2 (subset_type (cross_product T_0 T_1))) <=> (ilf_type T_2 (member_type (power_set (cross_product T_0 T_1)))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (-. (ilf_type T_2 (subset_type (cross_product T_0 T_1)))) (ilf_type T_2 (set_type))   ### Imply 10 46
% 27.40/27.58  48. (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type (cross_product T_0 T_1))) <=> (ilf_type C (member_type (power_set (cross_product T_0 T_1))))))) (ilf_type T_2 (set_type)) (-. (ilf_type T_2 (subset_type (cross_product T_0 T_1)))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C))))))   ### All 47
% 27.40/27.58  49. ((ilf_type (cross_product T_0 T_1) (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type (cross_product T_0 T_1))) <=> (ilf_type C (member_type (power_set (cross_product T_0 T_1)))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (-. (ilf_type T_2 (subset_type (cross_product T_0 T_1)))) (ilf_type T_2 (set_type)) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type))))))   ### Imply 9 48
% 27.40/27.58  50. (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (ilf_type T_2 (set_type)) (-. (ilf_type T_2 (subset_type (cross_product T_0 T_1)))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C))))))   ### All 49
% 27.40/27.58  51. (-. (ilf_type T_2 (relation_type T_0 T_1))) (ilf_type T_2 (relation_type T_0 T_1))   ### Axiom
% 27.40/27.58  52. ((ilf_type T_2 (subset_type (cross_product T_0 T_1))) => (ilf_type T_2 (relation_type T_0 T_1))) (-. (ilf_type T_2 (relation_type T_0 T_1))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### Imply 50 51
% 27.40/27.60  53. (All D, ((ilf_type D (subset_type (cross_product T_0 T_1))) => (ilf_type D (relation_type T_0 T_1)))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (-. (ilf_type T_2 (relation_type T_0 T_1)))   ### All 52
% 27.40/27.60  54. ((All D, ((ilf_type D (subset_type (cross_product T_0 T_1))) => (ilf_type D (relation_type T_0 T_1)))) /\ (All E, ((ilf_type E (relation_type T_0 T_1)) => (ilf_type E (subset_type (cross_product T_0 T_1)))))) (-. (ilf_type T_2 (relation_type T_0 T_1))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### And 53
% 27.40/27.60  55. ((ilf_type T_1 (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product T_0 T_1))) => (ilf_type D (relation_type T_0 T_1)))) /\ (All E, ((ilf_type E (relation_type T_0 T_1)) => (ilf_type E (subset_type (cross_product T_0 T_1))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_0 (set_type)) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (-. (ilf_type T_2 (relation_type T_0 T_1))) (ilf_type T_1 (set_type))   ### Imply 2 54
% 27.40/27.60  56. (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product T_0 C))) => (ilf_type D (relation_type T_0 C)))) /\ (All E, ((ilf_type E (relation_type T_0 C)) => (ilf_type E (subset_type (cross_product T_0 C)))))))) (ilf_type T_1 (set_type)) (-. (ilf_type T_2 (relation_type T_0 T_1))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### All 55
% 27.40/27.60  57. ((ilf_type T_0 (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product T_0 C))) => (ilf_type D (relation_type T_0 C)))) /\ (All E, ((ilf_type E (relation_type T_0 C)) => (ilf_type E (subset_type (cross_product T_0 C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (-. (ilf_type T_2 (relation_type T_0 T_1))) (ilf_type T_1 (set_type)) (ilf_type T_0 (set_type))   ### Imply 1 56
% 27.40/27.60  58. (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C)))))))))) (ilf_type T_0 (set_type)) (ilf_type T_1 (set_type)) (-. (ilf_type T_2 (relation_type T_0 T_1))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (subset T_2 (cross_product T_0 T_1)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### All 57
% 27.40/27.60  59. (-. ((ilf_type T_1 (set_type)) => ((subset T_2 (cross_product T_0 T_1)) => (ilf_type T_2 (relation_type T_0 T_1))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C))))))))))   ### ConjTree 58
% 27.40/27.61  60. (-. (All D, ((ilf_type D (set_type)) => ((subset T_2 (cross_product T_0 D)) => (ilf_type T_2 (relation_type T_0 D)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C)))))))))) (ilf_type T_0 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### NotAllEx 59
% 27.40/27.61  61. (-. ((ilf_type T_0 (set_type)) => (All D, ((ilf_type D (set_type)) => ((subset T_2 (cross_product T_0 D)) => (ilf_type T_2 (relation_type T_0 D))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C))))))))))   ### NotImply 60
% 27.40/27.61  62. (-. (All C, ((ilf_type C (set_type)) => (All D, ((ilf_type D (set_type)) => ((subset T_2 (cross_product C D)) => (ilf_type T_2 (relation_type C D)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C)))))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (ilf_type T_2 (set_type)) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### NotAllEx 61
% 27.40/27.61  63. (-. ((ilf_type T_2 (set_type)) => (All C, ((ilf_type C (set_type)) => (All D, ((ilf_type D (set_type)) => ((subset T_2 (cross_product C D)) => (ilf_type T_2 (relation_type C D))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B)))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C))))))))))   ### NotImply 62
% 27.40/27.61  64. (-. (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (All D, ((ilf_type D (set_type)) => ((subset B (cross_product C D)) => (ilf_type B (relation_type C D)))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((All D, ((ilf_type D (subset_type (cross_product B C))) => (ilf_type D (relation_type B C)))) /\ (All E, ((ilf_type E (relation_type B C)) => (ilf_type E (subset_type (cross_product B C)))))))))) (All B, ((ilf_type B (set_type)) => (All C, (((-. (empty C)) /\ (ilf_type C (set_type))) => ((ilf_type B (member_type C)) <=> (member B C)))))) (All B, ((ilf_type B (set_type)) => ((empty B) <=> (All C, ((ilf_type C (set_type)) => (-. (member C B))))))) (All B, ((ilf_type B (set_type)) => ((-. (empty (power_set B))) /\ (ilf_type (power_set B) (set_type))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((member B (power_set C)) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((subset B C) <=> (All D, ((ilf_type D (set_type)) => ((member D B) => (member D C))))))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => (ilf_type (cross_product B C) (set_type)))))) (All B, ((ilf_type B (set_type)) => (All C, ((ilf_type C (set_type)) => ((ilf_type C (subset_type B)) <=> (ilf_type C (member_type (power_set B))))))))   ### NotAllEx 63
% 27.40/27.61  % SZS output end Proof
% 27.40/27.61  (* END-PROOF *)
%------------------------------------------------------------------------------