TSTP Solution File: SET962+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET962+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n007.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  : 300s
% DateTime : Tue Sep 20 05:08:45 EDT 2022

% Result   : Theorem 0.16s 0.38s
% Output   : Proof 0.16s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET962+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% 0.10/0.11  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.10/0.32  % Computer : n007.cluster.edu
% 0.10/0.32  % Model    : x86_64 x86_64
% 0.10/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32  % Memory   : 8042.1875MB
% 0.10/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32  % CPULimit : 300
% 0.10/0.32  % WCLimit  : 300
% 0.10/0.32  % DateTime : Sat Sep  3 08:28:49 EDT 2022
% 0.16/0.32  % CPUTime  : 
% 0.16/0.32  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.16/0.32  Usage: tptp [options] [-file:]file
% 0.16/0.32    -h, -?       prints this message.
% 0.16/0.32    -smt2        print SMT-LIB2 benchmark.
% 0.16/0.32    -m, -model   generate model.
% 0.16/0.32    -p, -proof   generate proof.
% 0.16/0.32    -c, -core    generate unsat core of named formulas.
% 0.16/0.32    -st, -statistics display statistics.
% 0.16/0.32    -t:timeout   set timeout (in second).
% 0.16/0.32    -smt2status  display status in smt2 format instead of SZS.
% 0.16/0.32    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.16/0.32    -<param>:<value> configuration parameter and value.
% 0.16/0.32    -o:<output-file> file to place output in.
% 0.16/0.38  % SZS status Theorem
% 0.16/0.38  % SZS output start Proof
% 0.16/0.38  tff(in_type, type, (
% 0.16/0.38     in: ( $i * $i ) > $o)).
% 0.16/0.38  tff(cartesian_product2_type, type, (
% 0.16/0.38     cartesian_product2: ( $i * $i ) > $i)).
% 0.16/0.38  tff(tptp_fun_B_2_type, type, (
% 0.16/0.38     tptp_fun_B_2: $i)).
% 0.16/0.38  tff(ordered_pair_type, type, (
% 0.16/0.38     ordered_pair: ( $i * $i ) > $i)).
% 0.16/0.38  tff(tptp_fun_C_4_type, type, (
% 0.16/0.38     tptp_fun_C_4: ( $i * $i ) > $i)).
% 0.16/0.38  tff(tptp_fun_A_3_type, type, (
% 0.16/0.38     tptp_fun_A_3: $i)).
% 0.16/0.38  tff(1,plain,
% 0.16/0.38      ((~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))) <=> (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B)))),
% 0.16/0.38      inference(rewrite,[status(thm)],[])).
% 0.16/0.38  tff(2,plain,
% 0.16/0.38      ((~![A: $i, B: $i] : ((cartesian_product2(A, A) = cartesian_product2(B, B)) => (A = B))) <=> (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B)))),
% 0.16/0.38      inference(rewrite,[status(thm)],[])).
% 0.16/0.38  tff(3,axiom,(~![A: $i, B: $i] : ((cartesian_product2(A, A) = cartesian_product2(B, B)) => (A = B))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','t115_zfmisc_1')).
% 0.16/0.38  tff(4,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[3, 2])).
% 0.16/0.38  tff(5,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[4, 1])).
% 0.16/0.38  tff(6,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[5, 1])).
% 0.16/0.38  tff(7,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[6, 1])).
% 0.16/0.38  tff(8,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[7, 1])).
% 0.16/0.38  tff(9,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[8, 1])).
% 0.16/0.38  tff(10,plain,
% 0.16/0.38      (~![A: $i, B: $i] : ((~(cartesian_product2(A, A) = cartesian_product2(B, B))) | (A = B))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[9, 1])).
% 0.16/0.38  tff(11,plain,(
% 0.16/0.38      ~((~(cartesian_product2(A!3, A!3) = cartesian_product2(B!2, B!2))) | (A!3 = B!2))),
% 0.16/0.38      inference(skolemize,[status(sab)],[10])).
% 0.16/0.38  tff(12,plain,
% 0.16/0.38      (cartesian_product2(A!3, A!3) = cartesian_product2(B!2, B!2)),
% 0.16/0.38      inference(or_elim,[status(thm)],[11])).
% 0.16/0.38  tff(13,plain,
% 0.16/0.38      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))),
% 0.16/0.38      inference(monotonicity,[status(thm)],[12])).
% 0.16/0.38  tff(14,plain,
% 0.16/0.38      ((~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3))) <=> (~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)))),
% 0.16/0.38      inference(monotonicity,[status(thm)],[13])).
% 0.16/0.38  tff(15,assumption,(~in(tptp_fun_C_4(A!3, B!2), A!3)), introduced(assumption)).
% 0.16/0.38  tff(16,plain,
% 0.16/0.38      (^[A: $i, B: $i, C: $i, D: $i] : refl((in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D))))) <=> (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D))))))),
% 0.16/0.38      inference(bind,[status(th)],[])).
% 0.16/0.38  tff(17,plain,
% 0.16/0.38      (![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D))))) <=> ![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))),
% 0.16/0.38      inference(quant_intro,[status(thm)],[16])).
% 0.16/0.38  tff(18,plain,
% 0.16/0.38      (^[A: $i, B: $i, C: $i, D: $i] : rewrite((in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D))) <=> (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D))))))),
% 0.16/0.38      inference(bind,[status(th)],[])).
% 0.16/0.38  tff(19,plain,
% 0.16/0.38      (![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D))) <=> ![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))),
% 0.16/0.38      inference(quant_intro,[status(thm)],[18])).
% 0.16/0.38  tff(20,plain,
% 0.16/0.38      (![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D))) <=> ![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D)))),
% 0.16/0.38      inference(rewrite,[status(thm)],[])).
% 0.16/0.38  tff(21,axiom,(![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','l55_zfmisc_1')).
% 0.16/0.38  tff(22,plain,
% 0.16/0.38      (![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D)))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[21, 20])).
% 0.16/0.38  tff(23,plain,(
% 0.16/0.38      ![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (in(A, C) & in(B, D)))),
% 0.16/0.38      inference(skolemize,[status(sab)],[22])).
% 0.16/0.38  tff(24,plain,
% 0.16/0.38      (![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[23, 19])).
% 0.16/0.38  tff(25,plain,
% 0.16/0.38      (![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))),
% 0.16/0.38      inference(modus_ponens,[status(thm)],[24, 17])).
% 0.16/0.38  tff(26,plain,
% 0.16/0.38      (((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))) <=> ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)))),
% 0.16/0.38      inference(rewrite,[status(thm)],[])).
% 0.16/0.38  tff(27,plain,
% 0.16/0.38      ((in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), A!3)) | (~in(tptp_fun_C_4(A!3, B!2), A!3))))) <=> (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.38      inference(rewrite,[status(thm)],[])).
% 0.16/0.38  tff(28,plain,
% 0.16/0.38      (((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), A!3)) | (~in(tptp_fun_C_4(A!3, B!2), A!3)))))) <=> ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)))),
% 0.16/0.38      inference(monotonicity,[status(thm)],[27])).
% 0.16/0.38  tff(29,plain,
% 0.16/0.38      (((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), A!3)) | (~in(tptp_fun_C_4(A!3, B!2), A!3)))))) <=> ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)))),
% 0.16/0.38      inference(transitivity,[status(thm)],[28, 26])).
% 0.16/0.38  tff(30,plain,
% 0.16/0.38      ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), A!3)) | (~in(tptp_fun_C_4(A!3, B!2), A!3)))))),
% 0.16/0.38      inference(quant_inst,[status(thm)],[])).
% 0.16/0.38  tff(31,plain,
% 0.16/0.38      ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[30, 29])).
% 0.16/0.39  tff(32,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[31, 25])).
% 0.16/0.39  tff(33,plain,
% 0.16/0.39      ((~(in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))) | (~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3))) | in(tptp_fun_C_4(A!3, B!2), A!3)),
% 0.16/0.39      inference(tautology,[status(thm)],[])).
% 0.16/0.39  tff(34,plain,
% 0.16/0.39      ((~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3))) | in(tptp_fun_C_4(A!3, B!2), A!3)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[33, 32])).
% 0.16/0.39  tff(35,plain,
% 0.16/0.39      (~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[34, 15])).
% 0.16/0.39  tff(36,plain,
% 0.16/0.39      (~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[35, 14])).
% 0.16/0.39  tff(37,plain,
% 0.16/0.39      ((B!2 = A!3) <=> (A!3 = B!2)),
% 0.16/0.39      inference(commutativity,[status(thm)],[])).
% 0.16/0.39  tff(38,plain,
% 0.16/0.39      ((A!3 = B!2) <=> (B!2 = A!3)),
% 0.16/0.39      inference(symmetry,[status(thm)],[37])).
% 0.16/0.39  tff(39,plain,
% 0.16/0.39      ((~(A!3 = B!2)) <=> (~(B!2 = A!3))),
% 0.16/0.39      inference(monotonicity,[status(thm)],[38])).
% 0.16/0.39  tff(40,plain,
% 0.16/0.39      (~(A!3 = B!2)),
% 0.16/0.39      inference(or_elim,[status(thm)],[11])).
% 0.16/0.39  tff(41,plain,
% 0.16/0.39      (~(B!2 = A!3)),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[40, 39])).
% 0.16/0.39  tff(42,plain,
% 0.16/0.39      (^[A: $i, B: $i] : trans(monotonicity(rewrite((~(in(tptp_fun_C_4(B, A), A) <=> in(tptp_fun_C_4(B, A), B))) <=> ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B))), (((~(in(tptp_fun_C_4(B, A), A) <=> in(tptp_fun_C_4(B, A), B))) | (A = B)) <=> (((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)) | (A = B)))), rewrite((((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)) | (A = B)) <=> ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))), (((~(in(tptp_fun_C_4(B, A), A) <=> in(tptp_fun_C_4(B, A), B))) | (A = B)) <=> ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))))),
% 0.16/0.39      inference(bind,[status(th)],[])).
% 0.16/0.39  tff(43,plain,
% 0.16/0.39      (![A: $i, B: $i] : ((~(in(tptp_fun_C_4(B, A), A) <=> in(tptp_fun_C_4(B, A), B))) | (A = B)) <=> ![A: $i, B: $i] : ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))),
% 0.16/0.39      inference(quant_intro,[status(thm)],[42])).
% 0.16/0.39  tff(44,plain,
% 0.16/0.39      (![A: $i, B: $i] : ((~![C: $i] : (in(C, A) <=> in(C, B))) | (A = B)) <=> ![A: $i, B: $i] : ((~![C: $i] : (in(C, A) <=> in(C, B))) | (A = B))),
% 0.16/0.39      inference(rewrite,[status(thm)],[])).
% 0.16/0.39  tff(45,plain,
% 0.16/0.39      (^[A: $i, B: $i] : rewrite((![C: $i] : (in(C, A) <=> in(C, B)) => (A = B)) <=> ((~![C: $i] : (in(C, A) <=> in(C, B))) | (A = B)))),
% 0.16/0.39      inference(bind,[status(th)],[])).
% 0.16/0.39  tff(46,plain,
% 0.16/0.39      (![A: $i, B: $i] : (![C: $i] : (in(C, A) <=> in(C, B)) => (A = B)) <=> ![A: $i, B: $i] : ((~![C: $i] : (in(C, A) <=> in(C, B))) | (A = B))),
% 0.16/0.39      inference(quant_intro,[status(thm)],[45])).
% 0.16/0.39  tff(47,axiom,(![A: $i, B: $i] : (![C: $i] : (in(C, A) <=> in(C, B)) => (A = B))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','t2_tarski')).
% 0.16/0.39  tff(48,plain,
% 0.16/0.39      (![A: $i, B: $i] : ((~![C: $i] : (in(C, A) <=> in(C, B))) | (A = B))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[47, 46])).
% 0.16/0.39  tff(49,plain,
% 0.16/0.39      (![A: $i, B: $i] : ((~![C: $i] : (in(C, A) <=> in(C, B))) | (A = B))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[48, 44])).
% 0.16/0.39  tff(50,plain,(
% 0.16/0.39      ![A: $i, B: $i] : ((~(in(tptp_fun_C_4(B, A), A) <=> in(tptp_fun_C_4(B, A), B))) | (A = B))),
% 0.16/0.39      inference(skolemize,[status(sab)],[49])).
% 0.16/0.39  tff(51,plain,
% 0.16/0.39      (![A: $i, B: $i] : ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[50, 43])).
% 0.16/0.39  tff(52,plain,
% 0.16/0.39      (((~![A: $i, B: $i] : ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))) | ((B!2 = A!3) | ((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)))) <=> ((~![A: $i, B: $i] : ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))) | (B!2 = A!3) | ((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)))),
% 0.16/0.39      inference(rewrite,[status(thm)],[])).
% 0.16/0.39  tff(53,plain,
% 0.16/0.39      ((~![A: $i, B: $i] : ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))) | ((B!2 = A!3) | ((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)))),
% 0.16/0.39      inference(quant_inst,[status(thm)],[])).
% 0.16/0.39  tff(54,plain,
% 0.16/0.39      ((~![A: $i, B: $i] : ((A = B) | ((~in(tptp_fun_C_4(B, A), A)) <=> in(tptp_fun_C_4(B, A), B)))) | (B!2 = A!3) | ((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[53, 52])).
% 0.16/0.39  tff(55,plain,
% 0.16/0.39      ((B!2 = A!3) | ((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[54, 51])).
% 0.16/0.39  tff(56,plain,
% 0.16/0.39      ((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[55, 41])).
% 0.16/0.39  tff(57,plain,
% 0.16/0.39      ((~((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))) | in(tptp_fun_C_4(A!3, B!2), B!2) | in(tptp_fun_C_4(A!3, B!2), A!3)),
% 0.16/0.39      inference(tautology,[status(thm)],[])).
% 0.16/0.39  tff(58,plain,
% 0.16/0.39      (in(tptp_fun_C_4(A!3, B!2), B!2) | in(tptp_fun_C_4(A!3, B!2), A!3)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[57, 56])).
% 0.16/0.39  tff(59,plain,
% 0.16/0.39      (in(tptp_fun_C_4(A!3, B!2), B!2)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[58, 15])).
% 0.16/0.39  tff(60,plain,
% 0.16/0.39      (((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2))) <=> ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2)))),
% 0.16/0.39      inference(rewrite,[status(thm)],[])).
% 0.16/0.39  tff(61,plain,
% 0.16/0.39      ((in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), B!2)) | (~in(tptp_fun_C_4(A!3, B!2), B!2))))) <=> (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2))),
% 0.16/0.39      inference(rewrite,[status(thm)],[])).
% 0.16/0.39  tff(62,plain,
% 0.16/0.39      (((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), B!2)) | (~in(tptp_fun_C_4(A!3, B!2), B!2)))))) <=> ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2)))),
% 0.16/0.39      inference(monotonicity,[status(thm)],[61])).
% 0.16/0.39  tff(63,plain,
% 0.16/0.39      (((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), B!2)) | (~in(tptp_fun_C_4(A!3, B!2), B!2)))))) <=> ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2)))),
% 0.16/0.39      inference(transitivity,[status(thm)],[62, 60])).
% 0.16/0.39  tff(64,plain,
% 0.16/0.39      ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> (~((~in(tptp_fun_C_4(A!3, B!2), B!2)) | (~in(tptp_fun_C_4(A!3, B!2), B!2)))))),
% 0.16/0.39      inference(quant_inst,[status(thm)],[])).
% 0.16/0.39  tff(65,plain,
% 0.16/0.39      ((~![A: $i, B: $i, C: $i, D: $i] : (in(ordered_pair(A, B), cartesian_product2(C, D)) <=> (~((~in(A, C)) | (~in(B, D)))))) | (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[64, 63])).
% 0.16/0.39  tff(66,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[65, 25])).
% 0.16/0.39  tff(67,plain,
% 0.16/0.39      ((~(in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2))) | in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) | (~in(tptp_fun_C_4(A!3, B!2), B!2))),
% 0.16/0.39      inference(tautology,[status(thm)],[])).
% 0.16/0.39  tff(68,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) | (~in(tptp_fun_C_4(A!3, B!2), B!2))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[67, 66])).
% 0.16/0.39  tff(69,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[68, 59])).
% 0.16/0.39  tff(70,plain,
% 0.16/0.39      ($false),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[69, 36])).
% 0.16/0.39  tff(71,plain,(in(tptp_fun_C_4(A!3, B!2), A!3)), inference(lemma,lemma(discharge,[]))).
% 0.16/0.39  tff(72,plain,
% 0.16/0.39      ((~(in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))) | in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) | (~in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(tautology,[status(thm)],[])).
% 0.16/0.39  tff(73,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3)) | (~in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[72, 32])).
% 0.16/0.39  tff(74,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(A!3, A!3))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[73, 71])).
% 0.16/0.39  tff(75,plain,
% 0.16/0.39      (in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))),
% 0.16/0.39      inference(modus_ponens,[status(thm)],[74, 13])).
% 0.16/0.39  tff(76,plain,
% 0.16/0.39      ((~((~in(tptp_fun_C_4(A!3, B!2), B!2)) <=> in(tptp_fun_C_4(A!3, B!2), A!3))) | (~in(tptp_fun_C_4(A!3, B!2), B!2)) | (~in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(tautology,[status(thm)],[])).
% 0.16/0.39  tff(77,plain,
% 0.16/0.39      ((~in(tptp_fun_C_4(A!3, B!2), B!2)) | (~in(tptp_fun_C_4(A!3, B!2), A!3))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[76, 56])).
% 0.16/0.39  tff(78,plain,
% 0.16/0.39      (~in(tptp_fun_C_4(A!3, B!2), B!2)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[77, 71])).
% 0.16/0.39  tff(79,plain,
% 0.16/0.39      ((~(in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2)) <=> in(tptp_fun_C_4(A!3, B!2), B!2))) | (~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))) | in(tptp_fun_C_4(A!3, B!2), B!2)),
% 0.16/0.39      inference(tautology,[status(thm)],[])).
% 0.16/0.39  tff(80,plain,
% 0.16/0.39      ((~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))) | in(tptp_fun_C_4(A!3, B!2), B!2)),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[79, 66])).
% 0.16/0.39  tff(81,plain,
% 0.16/0.39      (~in(ordered_pair(tptp_fun_C_4(A!3, B!2), tptp_fun_C_4(A!3, B!2)), cartesian_product2(B!2, B!2))),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[80, 78])).
% 0.16/0.39  tff(82,plain,
% 0.16/0.39      ($false),
% 0.16/0.39      inference(unit_resolution,[status(thm)],[81, 75])).
% 0.16/0.39  % SZS output end Proof
%------------------------------------------------------------------------------