TSTP Solution File: NUM385+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : NUM385+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n014.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 : Sun Sep 18 13:09:27 EDT 2022

% Result   : Theorem 0.19s 0.42s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : NUM385+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n014.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  : 300
% 0.13/0.34  % DateTime : Fri Sep  2 10:09:01 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 0.19/0.42  % SZS status Theorem
% 0.19/0.42  % SZS output start Proof
% 0.19/0.42  tff(tptp_fun_B_13_type, type, (
% 0.19/0.42     tptp_fun_B_13: $i)).
% 0.19/0.42  tff(tptp_fun_A_14_type, type, (
% 0.19/0.42     tptp_fun_A_14: $i)).
% 0.19/0.42  tff(in_type, type, (
% 0.19/0.42     in: ( $i * $i ) > $o)).
% 0.19/0.42  tff(singleton_type, type, (
% 0.19/0.42     singleton: $i > $i)).
% 0.19/0.42  tff(tptp_fun_C_0_type, type, (
% 0.19/0.42     tptp_fun_C_0: ( $i * $i ) > $i)).
% 0.19/0.42  tff(succ_type, type, (
% 0.19/0.42     succ: $i > $i)).
% 0.19/0.42  tff(set_union2_type, type, (
% 0.19/0.42     set_union2: ( $i * $i ) > $i)).
% 0.19/0.42  tff(tptp_fun_D_1_type, type, (
% 0.19/0.42     tptp_fun_D_1: ( $i * $i * $i ) > $i)).
% 0.19/0.42  tff(1,assumption,(~(in(B!13, singleton(A!14)) <=> (B!13 = A!14))), introduced(assumption)).
% 0.19/0.42  tff(2,plain,
% 0.19/0.42      (^[A: $i, B: $i, C: $i] : refl((~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(3,plain,
% 0.19/0.42      (![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[2])).
% 0.19/0.42  tff(4,plain,
% 0.19/0.42      (![A: $i, B: $i] : ![C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(pull_quant,[status(thm)],[])).
% 0.19/0.42  tff(5,plain,
% 0.19/0.42      (^[A: $i, B: $i] : trans(monotonicity(trans(monotonicity(trans(monotonicity(pull_quant(((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) <=> ![C: $i] : ((~(B = singleton(A))) | (in(C, B) <=> (C = A)))), ((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) <=> (~![C: $i] : ((~(B = singleton(A))) | (in(C, B) <=> (C = A)))))), pull_quant((~![C: $i] : ((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) <=> ?[C: $i] : (~((~(B = singleton(A))) | (in(C, B) <=> (C = A))))), ((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) <=> ?[C: $i] : (~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))))), (((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))) <=> (?[C: $i] : (~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))), pull_quant((?[C: $i] : (~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))) <=> ?[C: $i] : ((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))), (((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))) <=> ?[C: $i] : ((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))), ((~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> (~?[C: $i] : ((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))))), pull_quant((~?[C: $i] : ((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))), ((~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(6,plain,
% 0.19/0.42      (![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i] : ![C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[5])).
% 0.19/0.42  tff(7,plain,
% 0.19/0.42      (![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[6, 4])).
% 0.19/0.42  tff(8,plain,
% 0.19/0.42      (![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[7, 3])).
% 0.19/0.42  tff(9,plain,
% 0.19/0.42      (^[A: $i, B: $i] : rewrite((~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(10,plain,
% 0.19/0.42      (![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[9])).
% 0.19/0.42  tff(11,plain,
% 0.19/0.42      (![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[10, 8])).
% 0.19/0.42  tff(12,plain,
% 0.19/0.42      (^[A: $i, B: $i] : trans(monotonicity(rewrite(((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) <=> ((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))), ((((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))) <=> (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))), rewrite((((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))) <=> (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))), ((((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))) <=> (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(13,plain,
% 0.19/0.42      (![A: $i, B: $i] : (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))) <=> ![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[12])).
% 0.19/0.42  tff(14,plain,
% 0.19/0.42      (^[A: $i, B: $i] : rewrite((((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | (~(in(tptp_fun_C_0(B, A), B) <=> (tptp_fun_C_0(B, A) = A))))) <=> (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A)))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(15,plain,
% 0.19/0.42      (![A: $i, B: $i] : (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | (~(in(tptp_fun_C_0(B, A), B) <=> (tptp_fun_C_0(B, A) = A))))) <=> ![A: $i, B: $i] : (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[14])).
% 0.19/0.42  tff(16,plain,
% 0.19/0.42      (![A: $i, B: $i] : ((B = singleton(A)) <=> ![C: $i] : (in(C, B) <=> (C = A))) <=> ![A: $i, B: $i] : ((B = singleton(A)) <=> ![C: $i] : (in(C, B) <=> (C = A)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(17,axiom,(![A: $i, B: $i] : ((B = singleton(A)) <=> ![C: $i] : (in(C, B) <=> (C = A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d1_tarski')).
% 0.19/0.42  tff(18,plain,
% 0.19/0.42      (![A: $i, B: $i] : ((B = singleton(A)) <=> ![C: $i] : (in(C, B) <=> (C = A)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[17, 16])).
% 0.19/0.42  tff(19,plain,(
% 0.19/0.42      ![A: $i, B: $i] : (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | (~(in(tptp_fun_C_0(B, A), B) <=> (tptp_fun_C_0(B, A) = A)))))),
% 0.19/0.42      inference(skolemize,[status(sab)],[18])).
% 0.19/0.42  tff(20,plain,
% 0.19/0.42      (![A: $i, B: $i] : (((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A))) & ((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[19, 15])).
% 0.19/0.42  tff(21,plain,
% 0.19/0.42      (![A: $i, B: $i] : (~((~((~(B = singleton(A))) | ![C: $i] : (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[20, 13])).
% 0.19/0.42  tff(22,plain,
% 0.19/0.42      (![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[21, 11])).
% 0.19/0.42  tff(23,plain,
% 0.19/0.42      (((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14))) <=> ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(24,plain,
% 0.19/0.42      ((~((~in(B!13, singleton(A!14))) <=> (B!13 = A!14))) <=> (in(B!13, singleton(A!14)) <=> (B!13 = A!14))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(25,plain,
% 0.19/0.42      ((((~in(B!13, singleton(A!14))) <=> (B!13 = A!14)) | $false) <=> ((~in(B!13, singleton(A!14))) <=> (B!13 = A!14))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(26,plain,
% 0.19/0.42      ((~$true) <=> $false),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(27,plain,
% 0.19/0.42      (($true | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))) <=> $true),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(28,plain,
% 0.19/0.42      ((singleton(A!14) = singleton(A!14)) <=> $true),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(29,plain,
% 0.19/0.42      (((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))) <=> ($true | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14)))),
% 0.19/0.43      inference(monotonicity,[status(thm)],[28])).
% 0.19/0.43  tff(30,plain,
% 0.19/0.43      (((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))) <=> $true),
% 0.19/0.43      inference(transitivity,[status(thm)],[29, 27])).
% 0.19/0.43  tff(31,plain,
% 0.19/0.43      ((~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14)))) <=> (~$true)),
% 0.19/0.43      inference(monotonicity,[status(thm)],[30])).
% 0.19/0.43  tff(32,plain,
% 0.19/0.43      ((~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14)))) <=> $false),
% 0.19/0.43      inference(transitivity,[status(thm)],[31, 26])).
% 0.19/0.43  tff(33,plain,
% 0.19/0.43      ((~(in(B!13, singleton(A!14)) <=> (B!13 = A!14))) <=> ((~in(B!13, singleton(A!14))) <=> (B!13 = A!14))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(34,plain,
% 0.19/0.43      (($false | (in(B!13, singleton(A!14)) <=> (B!13 = A!14))) <=> (in(B!13, singleton(A!14)) <=> (B!13 = A!14))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(35,plain,
% 0.19/0.43      ((~(singleton(A!14) = singleton(A!14))) <=> (~$true)),
% 0.19/0.43      inference(monotonicity,[status(thm)],[28])).
% 0.19/0.43  tff(36,plain,
% 0.19/0.43      ((~(singleton(A!14) = singleton(A!14))) <=> $false),
% 0.19/0.43      inference(transitivity,[status(thm)],[35, 26])).
% 0.19/0.43  tff(37,plain,
% 0.19/0.43      (((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14))) <=> ($false | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))),
% 0.19/0.43      inference(monotonicity,[status(thm)],[36])).
% 0.19/0.43  tff(38,plain,
% 0.19/0.43      (((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14))) <=> (in(B!13, singleton(A!14)) <=> (B!13 = A!14))),
% 0.19/0.43      inference(transitivity,[status(thm)],[37, 34])).
% 0.19/0.43  tff(39,plain,
% 0.19/0.43      ((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) <=> (~(in(B!13, singleton(A!14)) <=> (B!13 = A!14)))),
% 0.19/0.43      inference(monotonicity,[status(thm)],[38])).
% 0.19/0.43  tff(40,plain,
% 0.19/0.43      ((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) <=> ((~in(B!13, singleton(A!14))) <=> (B!13 = A!14))),
% 0.19/0.43      inference(transitivity,[status(thm)],[39, 33])).
% 0.19/0.43  tff(41,plain,
% 0.19/0.43      (((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))))) <=> (((~in(B!13, singleton(A!14))) <=> (B!13 = A!14)) | $false)),
% 0.19/0.43      inference(monotonicity,[status(thm)],[40, 32])).
% 0.19/0.43  tff(42,plain,
% 0.19/0.43      (((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))))) <=> ((~in(B!13, singleton(A!14))) <=> (B!13 = A!14))),
% 0.19/0.43      inference(transitivity,[status(thm)],[41, 25])).
% 0.19/0.43  tff(43,plain,
% 0.19/0.43      ((~((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14)))))) <=> (~((~in(B!13, singleton(A!14))) <=> (B!13 = A!14)))),
% 0.19/0.43      inference(monotonicity,[status(thm)],[42])).
% 0.19/0.43  tff(44,plain,
% 0.19/0.43      ((~((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14)))))) <=> (in(B!13, singleton(A!14)) <=> (B!13 = A!14))),
% 0.19/0.43      inference(transitivity,[status(thm)],[43, 24])).
% 0.19/0.43  tff(45,plain,
% 0.19/0.43      (((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (~((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))))))) <=> ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))),
% 0.19/0.43      inference(monotonicity,[status(thm)],[44])).
% 0.19/0.43  tff(46,plain,
% 0.19/0.43      (((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (~((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))))))) <=> ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))),
% 0.19/0.43      inference(transitivity,[status(thm)],[45, 23])).
% 0.19/0.43  tff(47,plain,
% 0.19/0.43      ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (~((~((~(singleton(A!14) = singleton(A!14))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14)))) | (~((singleton(A!14) = singleton(A!14)) | ((~in(tptp_fun_C_0(singleton(A!14), A!14), singleton(A!14))) <=> (tptp_fun_C_0(singleton(A!14), A!14) = A!14))))))),
% 0.19/0.43      inference(quant_inst,[status(thm)],[])).
% 0.19/0.43  tff(48,plain,
% 0.19/0.43      ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(B!13, singleton(A!14)) <=> (B!13 = A!14))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[47, 46])).
% 0.19/0.43  tff(49,plain,
% 0.19/0.43      ($false),
% 0.19/0.43      inference(unit_resolution,[status(thm)],[48, 22, 1])).
% 0.19/0.43  tff(50,plain,(in(B!13, singleton(A!14)) <=> (B!13 = A!14)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.43  tff(51,plain,
% 0.19/0.43      ((B!13 = A!14) <=> (A!14 = B!13)),
% 0.19/0.43      inference(commutativity,[status(thm)],[])).
% 0.19/0.43  tff(52,plain,
% 0.19/0.43      ((A!14 = B!13) <=> (B!13 = A!14)),
% 0.19/0.43      inference(symmetry,[status(thm)],[51])).
% 0.19/0.43  tff(53,plain,
% 0.19/0.43      ((~(A!14 = B!13)) <=> (~(B!13 = A!14))),
% 0.19/0.43      inference(monotonicity,[status(thm)],[52])).
% 0.19/0.43  tff(54,plain,
% 0.19/0.43      ((~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))) <=> (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B)))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(55,plain,
% 0.19/0.43      ((~![A: $i, B: $i] : ((succ(A) = succ(B)) => (A = B))) <=> (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B)))),
% 0.19/0.43      inference(rewrite,[status(thm)],[])).
% 0.19/0.43  tff(56,axiom,(~![A: $i, B: $i] : ((succ(A) = succ(B)) => (A = B))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t12_ordinal1')).
% 0.19/0.43  tff(57,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[56, 55])).
% 0.19/0.43  tff(58,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[57, 54])).
% 0.19/0.43  tff(59,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[58, 54])).
% 0.19/0.43  tff(60,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[59, 54])).
% 0.19/0.43  tff(61,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[60, 54])).
% 0.19/0.43  tff(62,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[61, 54])).
% 0.19/0.43  tff(63,plain,
% 0.19/0.43      (~![A: $i, B: $i] : ((~(succ(A) = succ(B))) | (A = B))),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[62, 54])).
% 0.19/0.43  tff(64,plain,(
% 0.19/0.43      ~((~(succ(A!14) = succ(B!13))) | (A!14 = B!13))),
% 0.19/0.43      inference(skolemize,[status(sab)],[63])).
% 0.19/0.43  tff(65,plain,
% 0.19/0.43      (~(A!14 = B!13)),
% 0.19/0.43      inference(or_elim,[status(thm)],[64])).
% 0.19/0.43  tff(66,plain,
% 0.19/0.43      (~(B!13 = A!14)),
% 0.19/0.43      inference(modus_ponens,[status(thm)],[65, 53])).
% 0.19/0.43  tff(67,plain,
% 0.19/0.43      ((~(in(B!13, singleton(A!14)) <=> (B!13 = A!14))) | (~in(B!13, singleton(A!14))) | (B!13 = A!14)),
% 0.19/0.43      inference(tautology,[status(thm)],[])).
% 0.19/0.43  tff(68,plain,
% 0.19/0.43      ((~(in(B!13, singleton(A!14)) <=> (B!13 = A!14))) | (~in(B!13, singleton(A!14)))),
% 0.19/0.43      inference(unit_resolution,[status(thm)],[67, 66])).
% 0.19/0.43  tff(69,plain,
% 0.19/0.43      (~in(B!13, singleton(A!14))),
% 0.19/0.43      inference(unit_resolution,[status(thm)],[68, 50])).
% 0.19/0.43  tff(70,plain,
% 0.19/0.43      (^[A: $i, B: $i, C: $i, D: $i] : refl((~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(71,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[70])).
% 0.19/0.43  tff(72,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : ![D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(pull_quant,[status(thm)],[])).
% 0.19/0.43  tff(73,plain,
% 0.19/0.43      (^[A: $i, B: $i, C: $i] : trans(monotonicity(trans(monotonicity(trans(monotonicity(pull_quant(((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) <=> ![D: $i] : ((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))), ((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) <=> (~![D: $i] : ((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))))), pull_quant((~![D: $i] : ((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) <=> ?[D: $i] : (~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B)))))), ((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) <=> ?[D: $i] : (~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))))), (((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))) <=> (?[D: $i] : (~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))), pull_quant((?[D: $i] : (~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))) <=> ?[D: $i] : ((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))), (((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))) <=> ?[D: $i] : ((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))), ((~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> (~?[D: $i] : ((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))))), pull_quant((~?[D: $i] : ((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))), ((~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(74,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i] : ![D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[73])).
% 0.19/0.43  tff(75,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(transitivity,[status(thm)],[74, 72])).
% 0.19/0.43  tff(76,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(transitivity,[status(thm)],[75, 71])).
% 0.19/0.43  tff(77,plain,
% 0.19/0.43      (^[A: $i, B: $i, C: $i] : rewrite((~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(78,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[77])).
% 0.19/0.43  tff(79,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))) <=> ![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(transitivity,[status(thm)],[78, 76])).
% 0.19/0.43  tff(80,plain,
% 0.19/0.43      (^[A: $i, B: $i, C: $i] : trans(monotonicity(rewrite(((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) <=> ((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))), monotonicity(rewrite(((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))) <=> ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))), (((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))) <=> ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))), ((((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))) <=> (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))), rewrite((((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))) <=> (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))), ((((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))) <=> (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(81,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))) <=> ![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.43      inference(quant_intro,[status(thm)],[80])).
% 0.19/0.43  tff(82,plain,
% 0.19/0.43      (^[A: $i, B: $i, C: $i] : rewrite((((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | (~(in(tptp_fun_D_1(C, B, A), C) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))) <=> (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))),
% 0.19/0.43      inference(bind,[status(th)],[])).
% 0.19/0.43  tff(83,plain,
% 0.19/0.43      (![A: $i, B: $i, C: $i] : (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | (~(in(tptp_fun_D_1(C, B, A), C) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))) <=> ![A: $i, B: $i, C: $i] : (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[82])).
% 0.19/0.44  tff(84,plain,
% 0.19/0.44      (![A: $i, B: $i, C: $i] : ((C = set_union2(A, B)) <=> ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) <=> ![A: $i, B: $i, C: $i] : ((C = set_union2(A, B)) <=> ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(85,axiom,(![A: $i, B: $i, C: $i] : ((C = set_union2(A, B)) <=> ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d2_xboole_0')).
% 0.19/0.44  tff(86,plain,
% 0.19/0.44      (![A: $i, B: $i, C: $i] : ((C = set_union2(A, B)) <=> ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[85, 84])).
% 0.19/0.44  tff(87,plain,(
% 0.19/0.44      ![A: $i, B: $i, C: $i] : (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | (~(in(tptp_fun_D_1(C, B, A), C) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B))))))),
% 0.19/0.44      inference(skolemize,[status(sab)],[86])).
% 0.19/0.44  tff(88,plain,
% 0.19/0.44      (![A: $i, B: $i, C: $i] : (((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B)))) & ((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[87, 83])).
% 0.19/0.44  tff(89,plain,
% 0.19/0.44      (![A: $i, B: $i, C: $i] : (~((~((~(C = set_union2(A, B))) | ![D: $i] : (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[88, 81])).
% 0.19/0.44  tff(90,plain,
% 0.19/0.44      (![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[89, 79])).
% 0.19/0.44  tff(91,plain,
% 0.19/0.44      ((~![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))) | (~((~((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))))) | (~((succ(B!13) = set_union2(A!14, singleton(A!14))) | ((~in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), succ(B!13))) <=> (in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), A!14) | in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), singleton(A!14))))))))),
% 0.19/0.44      inference(quant_inst,[status(thm)],[])).
% 0.19/0.44  tff(92,plain,
% 0.19/0.44      (~((~((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))))) | (~((succ(B!13) = set_union2(A!14, singleton(A!14))) | ((~in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), succ(B!13))) <=> (in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), A!14) | in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), singleton(A!14)))))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[91, 90])).
% 0.19/0.44  tff(93,plain,
% 0.19/0.44      (((~((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))))) | (~((succ(B!13) = set_union2(A!14, singleton(A!14))) | ((~in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), succ(B!13))) <=> (in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), A!14) | in(tptp_fun_D_1(succ(B!13), singleton(A!14), A!14), singleton(A!14))))))) | ((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))))),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(94,plain,
% 0.19/0.44      ((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[93, 92])).
% 0.19/0.44  tff(95,plain,
% 0.19/0.44      (^[A: $i] : refl((succ(A) = set_union2(A, singleton(A))) <=> (succ(A) = set_union2(A, singleton(A))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(96,plain,
% 0.19/0.44      (![A: $i] : (succ(A) = set_union2(A, singleton(A))) <=> ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[95])).
% 0.19/0.44  tff(97,plain,
% 0.19/0.44      (![A: $i] : (succ(A) = set_union2(A, singleton(A))) <=> ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(98,axiom,(![A: $i] : (succ(A) = set_union2(A, singleton(A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d1_ordinal1')).
% 0.19/0.44  tff(99,plain,
% 0.19/0.44      (![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[98, 97])).
% 0.19/0.44  tff(100,plain,(
% 0.19/0.44      ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.44      inference(skolemize,[status(sab)],[99])).
% 0.19/0.44  tff(101,plain,
% 0.19/0.44      (![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[100, 96])).
% 0.19/0.44  tff(102,plain,
% 0.19/0.44      ((~![A: $i] : (succ(A) = set_union2(A, singleton(A)))) | (succ(A!14) = set_union2(A!14, singleton(A!14)))),
% 0.19/0.44      inference(quant_inst,[status(thm)],[])).
% 0.19/0.44  tff(103,plain,
% 0.19/0.44      (succ(A!14) = set_union2(A!14, singleton(A!14))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[102, 101])).
% 0.19/0.44  tff(104,plain,
% 0.19/0.44      (succ(A!14) = succ(B!13)),
% 0.19/0.44      inference(or_elim,[status(thm)],[64])).
% 0.19/0.44  tff(105,plain,
% 0.19/0.44      (succ(B!13) = succ(A!14)),
% 0.19/0.44      inference(symmetry,[status(thm)],[104])).
% 0.19/0.44  tff(106,plain,
% 0.19/0.44      (succ(B!13) = set_union2(A!14, singleton(A!14))),
% 0.19/0.44      inference(transitivity,[status(thm)],[105, 103])).
% 0.19/0.44  tff(107,plain,
% 0.19/0.44      ((~((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))))) | (~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14))))),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(108,plain,
% 0.19/0.44      ((~((~(succ(B!13) = set_union2(A!14, singleton(A!14)))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))))) | (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[107, 106])).
% 0.19/0.44  tff(109,plain,
% 0.19/0.44      (in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14)))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[108, 94])).
% 0.19/0.44  tff(110,plain,
% 0.19/0.44      (^[A: $i] : refl(in(A, succ(A)) <=> in(A, succ(A)))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(111,plain,
% 0.19/0.44      (![A: $i] : in(A, succ(A)) <=> ![A: $i] : in(A, succ(A))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[110])).
% 0.19/0.44  tff(112,plain,
% 0.19/0.44      (![A: $i] : in(A, succ(A)) <=> ![A: $i] : in(A, succ(A))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(113,axiom,(![A: $i] : in(A, succ(A))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t10_ordinal1')).
% 0.19/0.44  tff(114,plain,
% 0.19/0.44      (![A: $i] : in(A, succ(A))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[113, 112])).
% 0.19/0.44  tff(115,plain,(
% 0.19/0.44      ![A: $i] : in(A, succ(A))),
% 0.19/0.44      inference(skolemize,[status(sab)],[114])).
% 0.19/0.44  tff(116,plain,
% 0.19/0.44      (![A: $i] : in(A, succ(A))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[115, 111])).
% 0.19/0.44  tff(117,plain,
% 0.19/0.44      ((~![A: $i] : in(A, succ(A))) | in(B!13, succ(B!13))),
% 0.19/0.44      inference(quant_inst,[status(thm)],[])).
% 0.19/0.44  tff(118,plain,
% 0.19/0.44      (in(B!13, succ(B!13))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[117, 116])).
% 0.19/0.44  tff(119,plain,
% 0.19/0.44      ((~(in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14))))) | (~in(B!13, succ(B!13))) | (in(B!13, A!14) | in(B!13, singleton(A!14)))),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(120,plain,
% 0.19/0.44      ((~(in(B!13, succ(B!13)) <=> (in(B!13, A!14) | in(B!13, singleton(A!14))))) | (in(B!13, A!14) | in(B!13, singleton(A!14)))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[119, 118])).
% 0.19/0.44  tff(121,plain,
% 0.19/0.44      (in(B!13, A!14) | in(B!13, singleton(A!14))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[120, 109])).
% 0.19/0.44  tff(122,plain,
% 0.19/0.44      ((~(in(B!13, A!14) | in(B!13, singleton(A!14)))) | in(B!13, A!14) | in(B!13, singleton(A!14))),
% 0.19/0.44      inference(tautology,[status(thm)],[])).
% 0.19/0.44  tff(123,plain,
% 0.19/0.44      (in(B!13, A!14) | in(B!13, singleton(A!14))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[122, 121])).
% 0.19/0.44  tff(124,plain,
% 0.19/0.44      (in(B!13, A!14)),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[123, 69])).
% 0.19/0.44  tff(125,plain,
% 0.19/0.44      (^[A: $i, B: $i] : refl(((~in(B, A)) | (~in(A, B))) <=> ((~in(B, A)) | (~in(A, B))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(126,plain,
% 0.19/0.44      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[125])).
% 0.19/0.44  tff(127,plain,
% 0.19/0.44      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(128,plain,
% 0.19/0.44      (^[A: $i, B: $i] : rewrite((in(A, B) => (~in(B, A))) <=> ((~in(B, A)) | (~in(A, B))))),
% 0.19/0.44      inference(bind,[status(th)],[])).
% 0.19/0.44  tff(129,plain,
% 0.19/0.44      (![A: $i, B: $i] : (in(A, B) => (~in(B, A))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(quant_intro,[status(thm)],[128])).
% 0.19/0.44  tff(130,axiom,(![A: $i, B: $i] : (in(A, B) => (~in(B, A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','antisymmetry_r2_hidden')).
% 0.19/0.44  tff(131,plain,
% 0.19/0.44      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[130, 129])).
% 0.19/0.44  tff(132,plain,
% 0.19/0.44      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[131, 127])).
% 0.19/0.44  tff(133,plain,(
% 0.19/0.44      ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(skolemize,[status(sab)],[132])).
% 0.19/0.44  tff(134,plain,
% 0.19/0.44      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[133, 126])).
% 0.19/0.44  tff(135,plain,
% 0.19/0.44      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!14, B!13)) | (~in(B!13, A!14)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, B!13)) | (~in(B!13, A!14)))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(136,plain,
% 0.19/0.44      (((~in(B!13, A!14)) | (~in(A!14, B!13))) <=> ((~in(A!14, B!13)) | (~in(B!13, A!14)))),
% 0.19/0.44      inference(rewrite,[status(thm)],[])).
% 0.19/0.44  tff(137,plain,
% 0.19/0.44      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(B!13, A!14)) | (~in(A!14, B!13)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!14, B!13)) | (~in(B!13, A!14))))),
% 0.19/0.44      inference(monotonicity,[status(thm)],[136])).
% 0.19/0.44  tff(138,plain,
% 0.19/0.44      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(B!13, A!14)) | (~in(A!14, B!13)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, B!13)) | (~in(B!13, A!14)))),
% 0.19/0.44      inference(transitivity,[status(thm)],[137, 135])).
% 0.19/0.44  tff(139,plain,
% 0.19/0.44      ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(B!13, A!14)) | (~in(A!14, B!13)))),
% 0.19/0.44      inference(quant_inst,[status(thm)],[])).
% 0.19/0.44  tff(140,plain,
% 0.19/0.44      ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, B!13)) | (~in(B!13, A!14))),
% 0.19/0.44      inference(modus_ponens,[status(thm)],[139, 138])).
% 0.19/0.44  tff(141,plain,
% 0.19/0.44      (~in(A!14, B!13)),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[140, 134, 124])).
% 0.19/0.44  tff(142,plain,
% 0.19/0.44      ((~![A: $i, B: $i, C: $i, D: $i] : (~((~((~(C = set_union2(A, B))) | (in(D, C) <=> (in(D, A) | in(D, B))))) | (~((C = set_union2(A, B)) | ((~in(tptp_fun_D_1(C, B, A), C)) <=> (in(tptp_fun_D_1(C, B, A), A) | in(tptp_fun_D_1(C, B, A), B)))))))) | (~((~((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))))) | (~((succ(B!13) = set_union2(B!13, singleton(B!13))) | ((~in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), succ(B!13))) <=> (in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), B!13) | in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), singleton(B!13))))))))),
% 0.19/0.44      inference(quant_inst,[status(thm)],[])).
% 0.19/0.44  tff(143,plain,
% 0.19/0.44      (~((~((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))))) | (~((succ(B!13) = set_union2(B!13, singleton(B!13))) | ((~in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), succ(B!13))) <=> (in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), B!13) | in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), singleton(B!13)))))))),
% 0.19/0.44      inference(unit_resolution,[status(thm)],[142, 90])).
% 0.19/0.45  tff(144,plain,
% 0.19/0.45      (((~((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))))) | (~((succ(B!13) = set_union2(B!13, singleton(B!13))) | ((~in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), succ(B!13))) <=> (in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), B!13) | in(tptp_fun_D_1(succ(B!13), singleton(B!13), B!13), singleton(B!13))))))) | ((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))))),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(145,plain,
% 0.19/0.45      ((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13))))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[144, 143])).
% 0.19/0.45  tff(146,plain,
% 0.19/0.45      ((~![A: $i] : (succ(A) = set_union2(A, singleton(A)))) | (succ(B!13) = set_union2(B!13, singleton(B!13)))),
% 0.19/0.45      inference(quant_inst,[status(thm)],[])).
% 0.19/0.45  tff(147,plain,
% 0.19/0.45      (succ(B!13) = set_union2(B!13, singleton(B!13))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[146, 101])).
% 0.19/0.45  tff(148,plain,
% 0.19/0.45      ((~((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))))) | (~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13))))),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(149,plain,
% 0.19/0.45      ((~((~(succ(B!13) = set_union2(B!13, singleton(B!13)))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))))) | (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13))))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[148, 147])).
% 0.19/0.45  tff(150,plain,
% 0.19/0.45      (in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13)))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[149, 145])).
% 0.19/0.45  tff(151,plain,
% 0.19/0.45      (in(A!14, succ(B!13)) <=> in(A!14, succ(A!14))),
% 0.19/0.45      inference(monotonicity,[status(thm)],[105])).
% 0.19/0.45  tff(152,plain,
% 0.19/0.45      (in(A!14, succ(A!14)) <=> in(A!14, succ(B!13))),
% 0.19/0.45      inference(symmetry,[status(thm)],[151])).
% 0.19/0.45  tff(153,plain,
% 0.19/0.45      ((~![A: $i] : in(A, succ(A))) | in(A!14, succ(A!14))),
% 0.19/0.45      inference(quant_inst,[status(thm)],[])).
% 0.19/0.45  tff(154,plain,
% 0.19/0.45      (in(A!14, succ(A!14))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[153, 116])).
% 0.19/0.45  tff(155,plain,
% 0.19/0.45      (in(A!14, succ(B!13))),
% 0.19/0.45      inference(modus_ponens,[status(thm)],[154, 152])).
% 0.19/0.45  tff(156,plain,
% 0.19/0.45      ((~(in(A!14, succ(B!13)) <=> (in(A!14, B!13) | in(A!14, singleton(B!13))))) | (~in(A!14, succ(B!13))) | (in(A!14, B!13) | in(A!14, singleton(B!13)))),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(157,plain,
% 0.19/0.45      (in(A!14, B!13) | in(A!14, singleton(B!13))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[156, 155, 150])).
% 0.19/0.45  tff(158,plain,
% 0.19/0.45      ((~(in(A!14, B!13) | in(A!14, singleton(B!13)))) | in(A!14, B!13) | in(A!14, singleton(B!13))),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(159,plain,
% 0.19/0.45      (in(A!14, B!13) | in(A!14, singleton(B!13))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[158, 157])).
% 0.19/0.45  tff(160,plain,
% 0.19/0.45      (in(A!14, singleton(B!13))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[159, 141])).
% 0.19/0.45  tff(161,plain,
% 0.19/0.45      ((~(in(A!14, singleton(B!13)) <=> (A!14 = B!13))) | (~in(A!14, singleton(B!13))) | (A!14 = B!13)),
% 0.19/0.45      inference(tautology,[status(thm)],[])).
% 0.19/0.45  tff(162,plain,
% 0.19/0.45      (~(in(A!14, singleton(B!13)) <=> (A!14 = B!13))),
% 0.19/0.45      inference(unit_resolution,[status(thm)],[161, 65, 160])).
% 0.19/0.45  tff(163,plain,
% 0.19/0.45      (((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13))) <=> ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(164,plain,
% 0.19/0.45      ((~((~in(A!14, singleton(B!13))) <=> (A!14 = B!13))) <=> (in(A!14, singleton(B!13)) <=> (A!14 = B!13))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(165,plain,
% 0.19/0.45      ((((~in(A!14, singleton(B!13))) <=> (A!14 = B!13)) | $false) <=> ((~in(A!14, singleton(B!13))) <=> (A!14 = B!13))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(166,plain,
% 0.19/0.45      (($true | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))) <=> $true),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(167,plain,
% 0.19/0.45      ((singleton(B!13) = singleton(B!13)) <=> $true),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(168,plain,
% 0.19/0.45      (((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))) <=> ($true | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13)))),
% 0.19/0.45      inference(monotonicity,[status(thm)],[167])).
% 0.19/0.45  tff(169,plain,
% 0.19/0.45      (((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))) <=> $true),
% 0.19/0.45      inference(transitivity,[status(thm)],[168, 166])).
% 0.19/0.45  tff(170,plain,
% 0.19/0.45      ((~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13)))) <=> (~$true)),
% 0.19/0.45      inference(monotonicity,[status(thm)],[169])).
% 0.19/0.45  tff(171,plain,
% 0.19/0.45      ((~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13)))) <=> $false),
% 0.19/0.45      inference(transitivity,[status(thm)],[170, 26])).
% 0.19/0.45  tff(172,plain,
% 0.19/0.45      ((~(in(A!14, singleton(B!13)) <=> (A!14 = B!13))) <=> ((~in(A!14, singleton(B!13))) <=> (A!14 = B!13))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(173,plain,
% 0.19/0.45      (($false | (in(A!14, singleton(B!13)) <=> (A!14 = B!13))) <=> (in(A!14, singleton(B!13)) <=> (A!14 = B!13))),
% 0.19/0.45      inference(rewrite,[status(thm)],[])).
% 0.19/0.45  tff(174,plain,
% 0.19/0.45      ((~(singleton(B!13) = singleton(B!13))) <=> (~$true)),
% 0.19/0.45      inference(monotonicity,[status(thm)],[167])).
% 0.19/0.45  tff(175,plain,
% 0.19/0.45      ((~(singleton(B!13) = singleton(B!13))) <=> $false),
% 0.19/0.45      inference(transitivity,[status(thm)],[174, 26])).
% 0.19/0.45  tff(176,plain,
% 0.19/0.45      (((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13))) <=> ($false | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))),
% 0.19/0.45      inference(monotonicity,[status(thm)],[175])).
% 0.19/0.45  tff(177,plain,
% 0.19/0.45      (((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13))) <=> (in(A!14, singleton(B!13)) <=> (A!14 = B!13))),
% 0.19/0.45      inference(transitivity,[status(thm)],[176, 173])).
% 0.19/0.45  tff(178,plain,
% 0.19/0.45      ((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) <=> (~(in(A!14, singleton(B!13)) <=> (A!14 = B!13)))),
% 0.19/0.45      inference(monotonicity,[status(thm)],[177])).
% 0.19/0.45  tff(179,plain,
% 0.19/0.45      ((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) <=> ((~in(A!14, singleton(B!13))) <=> (A!14 = B!13))),
% 0.19/0.45      inference(transitivity,[status(thm)],[178, 172])).
% 0.19/0.45  tff(180,plain,
% 0.19/0.45      (((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))))) <=> (((~in(A!14, singleton(B!13))) <=> (A!14 = B!13)) | $false)),
% 0.19/0.45      inference(monotonicity,[status(thm)],[179, 171])).
% 0.19/0.45  tff(181,plain,
% 0.19/0.45      (((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))))) <=> ((~in(A!14, singleton(B!13))) <=> (A!14 = B!13))),
% 0.19/0.45      inference(transitivity,[status(thm)],[180, 165])).
% 0.19/0.45  tff(182,plain,
% 0.19/0.45      ((~((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13)))))) <=> (~((~in(A!14, singleton(B!13))) <=> (A!14 = B!13)))),
% 0.19/0.46      inference(monotonicity,[status(thm)],[181])).
% 0.19/0.46  tff(183,plain,
% 0.19/0.46      ((~((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13)))))) <=> (in(A!14, singleton(B!13)) <=> (A!14 = B!13))),
% 0.19/0.46      inference(transitivity,[status(thm)],[182, 164])).
% 0.19/0.46  tff(184,plain,
% 0.19/0.46      (((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (~((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))))))) <=> ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))),
% 0.19/0.46      inference(monotonicity,[status(thm)],[183])).
% 0.19/0.46  tff(185,plain,
% 0.19/0.46      (((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (~((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))))))) <=> ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))),
% 0.19/0.46      inference(transitivity,[status(thm)],[184, 163])).
% 0.19/0.46  tff(186,plain,
% 0.19/0.46      ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (~((~((~(singleton(B!13) = singleton(B!13))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13)))) | (~((singleton(B!13) = singleton(B!13)) | ((~in(tptp_fun_C_0(singleton(B!13), B!13), singleton(B!13))) <=> (tptp_fun_C_0(singleton(B!13), B!13) = B!13))))))),
% 0.19/0.46      inference(quant_inst,[status(thm)],[])).
% 0.19/0.46  tff(187,plain,
% 0.19/0.46      ((~![A: $i, B: $i, C: $i] : (~((~((~(B = singleton(A))) | (in(C, B) <=> (C = A)))) | (~((B = singleton(A)) | ((~in(tptp_fun_C_0(B, A), B)) <=> (tptp_fun_C_0(B, A) = A))))))) | (in(A!14, singleton(B!13)) <=> (A!14 = B!13))),
% 0.19/0.46      inference(modus_ponens,[status(thm)],[186, 185])).
% 0.19/0.46  tff(188,plain,
% 0.19/0.46      ($false),
% 0.19/0.46      inference(unit_resolution,[status(thm)],[187, 22, 162])).
% 0.19/0.46  % SZS output end Proof
%------------------------------------------------------------------------------