TSTP Solution File: SEU267+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SEU267+1 : TPTP v8.1.0. Released v3.3.0.
% 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 : Tue Sep 20 07:28:35 EDT 2022

% Result   : Theorem 0.20s 0.44s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU267+1 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.33  % Computer : n014.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Sat Sep  3 11:18:30 EDT 2022
% 0.13/0.33  % 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.
% 0.20/0.44  % SZS status Theorem
% 0.20/0.44  % SZS output start Proof
% 0.20/0.44  tff(pair_first_type, type, (
% 0.20/0.44     pair_first: $i > $i)).
% 0.20/0.44  tff(ordered_pair_type, type, (
% 0.20/0.44     ordered_pair: ( $i * $i ) > $i)).
% 0.20/0.44  tff(tptp_fun_B_3_type, type, (
% 0.20/0.44     tptp_fun_B_3: $i)).
% 0.20/0.44  tff(tptp_fun_A_4_type, type, (
% 0.20/0.44     tptp_fun_A_4: $i)).
% 0.20/0.44  tff(tptp_fun_C_6_type, type, (
% 0.20/0.44     tptp_fun_C_6: ( $i * $i ) > $i)).
% 0.20/0.44  tff(tptp_fun_D_5_type, type, (
% 0.20/0.44     tptp_fun_D_5: ( $i * $i ) > $i)).
% 0.20/0.44  tff(pair_second_type, type, (
% 0.20/0.44     pair_second: $i > $i)).
% 0.20/0.44  tff(tptp_fun_D_7_type, type, (
% 0.20/0.44     tptp_fun_D_7: ( $i * $i ) > $i)).
% 0.20/0.44  tff(tptp_fun_C_8_type, type, (
% 0.20/0.44     tptp_fun_C_8: ( $i * $i ) > $i)).
% 0.20/0.44  tff(1,plain,
% 0.20/0.44      (((~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))) | $false) <=> (~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))))),
% 0.20/0.44      inference(rewrite,[status(thm)],[])).
% 0.20/0.44  tff(2,plain,
% 0.20/0.44      ((~$true) <=> $false),
% 0.20/0.44      inference(rewrite,[status(thm)],[])).
% 0.20/0.44  tff(3,plain,
% 0.20/0.44      ((ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3)) <=> $true),
% 0.20/0.44      inference(rewrite,[status(thm)],[])).
% 0.20/0.44  tff(4,plain,
% 0.20/0.44      ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) <=> (~$true)),
% 0.20/0.44      inference(monotonicity,[status(thm)],[3])).
% 0.20/0.44  tff(5,plain,
% 0.20/0.44      ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) <=> $false),
% 0.20/0.44      inference(transitivity,[status(thm)],[4, 2])).
% 0.20/0.44  tff(6,plain,
% 0.20/0.44      (((~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))) | (~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3)))) <=> ((~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))) | $false)),
% 0.20/0.44      inference(monotonicity,[status(thm)],[5])).
% 0.20/0.44  tff(7,plain,
% 0.20/0.44      (((~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))) | (~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3)))) <=> (~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))))),
% 0.20/0.44      inference(transitivity,[status(thm)],[6, 1])).
% 0.20/0.44  tff(8,plain,
% 0.20/0.44      ((~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))) | (~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3)))),
% 0.20/0.44      inference(quant_inst,[status(thm)],[])).
% 0.20/0.44  tff(9,plain,
% 0.20/0.44      (~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))),
% 0.20/0.44      inference(modus_ponens,[status(thm)],[8, 7])).
% 0.20/0.44  tff(10,assumption,(![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))), introduced(assumption)).
% 0.20/0.44  tff(11,plain,
% 0.20/0.44      ($false),
% 0.20/0.44      inference(unit_resolution,[status(thm)],[10, 9])).
% 0.20/0.44  tff(12,plain,(~![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C)))), inference(lemma,lemma(discharge,[]))).
% 0.20/0.44  tff(13,plain,
% 0.20/0.44      (^[A: $i] : refl((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))))),
% 0.20/0.44      inference(bind,[status(th)],[])).
% 0.20/0.44  tff(14,plain,
% 0.20/0.44      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))),
% 0.20/0.44      inference(quant_intro,[status(thm)],[13])).
% 0.20/0.44  tff(15,plain,
% 0.20/0.44      (^[A: $i] : rewrite((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))))),
% 0.20/0.44      inference(bind,[status(th)],[])).
% 0.20/0.44  tff(16,plain,
% 0.20/0.44      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))),
% 0.20/0.44      inference(quant_intro,[status(thm)],[15])).
% 0.20/0.44  tff(17,plain,
% 0.20/0.44      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))),
% 0.20/0.44      inference(transitivity,[status(thm)],[16, 14])).
% 0.20/0.44  tff(18,plain,
% 0.20/0.44      (^[A: $i] : trans(monotonicity(quant_intro(proof_bind(^[B: $i] : trans(monotonicity(rewrite(((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) <=> ((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))), rewrite(((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))) <=> ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))), ((((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))) <=> (((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))), rewrite((((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))) <=> (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))), ((((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))) <=> (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))))), (![B: $i] : (((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))) <=> ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))), ((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))))), rewrite((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))), ((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))))),
% 0.20/0.45      inference(bind,[status(th)],[])).
% 0.20/0.45  tff(19,plain,
% 0.20/0.45      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))),
% 0.20/0.45      inference(quant_intro,[status(thm)],[18])).
% 0.20/0.45  tff(20,plain,
% 0.20/0.45      (![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) <=> ![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(21,plain,
% 0.20/0.45      (^[A: $i] : trans(monotonicity(quant_intro(proof_bind(^[B: $i] : rewrite(((B = pair_first(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = C))) <=> ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))), (![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = C))) <=> ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))), ((?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = C)))) <=> (?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))))), rewrite((?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) <=> ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))), ((?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = C)))) <=> ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))))),
% 0.20/0.45      inference(bind,[status(th)],[])).
% 0.20/0.45  tff(22,plain,
% 0.20/0.45      (![A: $i] : (?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = C)))) <=> ![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))),
% 0.20/0.45      inference(quant_intro,[status(thm)],[21])).
% 0.20/0.45  tff(23,axiom,(![A: $i] : (?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = C))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d1_mcart_1')).
% 0.20/0.45  tff(24,plain,
% 0.20/0.45      (![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))),
% 0.20/0.45      inference(modus_ponens,[status(thm)],[23, 22])).
% 0.20/0.45  tff(25,plain,
% 0.20/0.45      (![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_first(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))))),
% 0.20/0.45      inference(modus_ponens,[status(thm)],[24, 20])).
% 0.20/0.45  tff(26,plain,(
% 0.20/0.45      ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C))) & ((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))),
% 0.20/0.45      inference(skolemize,[status(sab)],[25])).
% 0.20/0.45  tff(27,plain,
% 0.20/0.45      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))),
% 0.20/0.45      inference(modus_ponens,[status(thm)],[26, 19])).
% 0.20/0.45  tff(28,plain,
% 0.20/0.45      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))),
% 0.20/0.45      inference(modus_ponens,[status(thm)],[27, 17])).
% 0.20/0.45  tff(29,plain,
% 0.20/0.45      (((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))) | (![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3))))))))))) <=> ((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))) | ![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3))))))))))),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(30,plain,
% 0.20/0.45      ((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))) | (![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3))))))))))),
% 0.20/0.45      inference(quant_inst,[status(thm)],[])).
% 0.20/0.45  tff(31,plain,
% 0.20/0.45      ((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(A)) | (~((~(A = ordered_pair(tptp_fun_C_6(B, A), tptp_fun_D_5(B, A)))) | (B = tptp_fun_C_6(B, A)))))))))) | ![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))),
% 0.20/0.45      inference(modus_ponens,[status(thm)],[30, 29])).
% 0.20/0.45  tff(32,plain,
% 0.20/0.45      (![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))),
% 0.20/0.45      inference(unit_resolution,[status(thm)],[31, 28])).
% 0.20/0.45  tff(33,plain,
% 0.20/0.45      (![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))),
% 0.20/0.45      inference(unit_resolution,[status(thm)],[32, 12])).
% 0.20/0.45  tff(34,plain,
% 0.20/0.45      (((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) <=> ((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(35,plain,
% 0.20/0.45      ((~(~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) <=> ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(36,plain,
% 0.20/0.45      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | $false) <=> (~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(37,plain,
% 0.20/0.45      (($true | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))) <=> $true),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(38,plain,
% 0.20/0.45      ((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) <=> $true),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(39,plain,
% 0.20/0.45      (((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))) <=> ($true | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))),
% 0.20/0.45      inference(monotonicity,[status(thm)],[38])).
% 0.20/0.45  tff(40,plain,
% 0.20/0.45      (((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))) <=> $true),
% 0.20/0.45      inference(transitivity,[status(thm)],[39, 37])).
% 0.20/0.45  tff(41,plain,
% 0.20/0.45      ((~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))) <=> (~$true)),
% 0.20/0.45      inference(monotonicity,[status(thm)],[40])).
% 0.20/0.45  tff(42,plain,
% 0.20/0.45      ((~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))) <=> $false),
% 0.20/0.45      inference(transitivity,[status(thm)],[41, 2])).
% 0.20/0.45  tff(43,plain,
% 0.20/0.45      ((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) <=> (~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))),
% 0.20/0.45      inference(rewrite,[status(thm)],[])).
% 0.20/0.45  tff(44,plain,
% 0.20/0.45      (((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | $false)),
% 0.20/0.45      inference(monotonicity,[status(thm)],[43, 42])).
% 0.20/0.45  tff(45,plain,
% 0.20/0.45      (((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))) <=> (~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))),
% 0.20/0.46      inference(transitivity,[status(thm)],[44, 36])).
% 0.20/0.46  tff(46,plain,
% 0.20/0.46      ((~((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))))) <=> (~(~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))))),
% 0.20/0.46      inference(monotonicity,[status(thm)],[45])).
% 0.20/0.46  tff(47,plain,
% 0.20/0.46      ((~((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))))) <=> ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))),
% 0.20/0.46      inference(transitivity,[status(thm)],[46, 35])).
% 0.20/0.46  tff(48,plain,
% 0.20/0.46      (((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | (~((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))))) <=> ((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))),
% 0.20/0.46      inference(monotonicity,[status(thm)],[47])).
% 0.20/0.46  tff(49,plain,
% 0.20/0.46      (((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | (~((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))))) <=> ((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))),
% 0.20/0.46      inference(transitivity,[status(thm)],[48, 34])).
% 0.20/0.46  tff(50,plain,
% 0.20/0.46      ((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | (~((~((~(pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C)))) | (~((pair_first(ordered_pair(A!4, B!3)) = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_5(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_first(ordered_pair(A!4, B!3)) = tptp_fun_C_6(pair_first(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))))),
% 0.20/0.46      inference(quant_inst,[status(thm)],[])).
% 0.20/0.46  tff(51,plain,
% 0.20/0.46      ((~![B: $i] : (~((~((~(B = pair_first(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = C)))) | (~((B = pair_first(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_6(B, ordered_pair(A!4, B!3)), tptp_fun_D_5(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_C_6(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))),
% 0.20/0.46      inference(modus_ponens,[status(thm)],[50, 49])).
% 0.20/0.46  tff(52,plain,
% 0.20/0.46      (![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))),
% 0.20/0.46      inference(unit_resolution,[status(thm)],[51, 33])).
% 0.20/0.46  tff(53,plain,
% 0.20/0.46      (^[A: $i] : refl((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))))),
% 0.20/0.46      inference(bind,[status(th)],[])).
% 0.20/0.46  tff(54,plain,
% 0.20/0.46      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))),
% 0.20/0.46      inference(quant_intro,[status(thm)],[53])).
% 0.20/0.46  tff(55,plain,
% 0.20/0.46      (^[A: $i] : rewrite((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))))),
% 0.20/0.46      inference(bind,[status(th)],[])).
% 0.20/0.46  tff(56,plain,
% 0.20/0.46      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))),
% 0.20/0.46      inference(quant_intro,[status(thm)],[55])).
% 0.20/0.46  tff(57,plain,
% 0.20/0.46      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))),
% 0.20/0.46      inference(transitivity,[status(thm)],[56, 54])).
% 0.20/0.46  tff(58,plain,
% 0.20/0.46      (^[A: $i] : trans(monotonicity(quant_intro(proof_bind(^[B: $i] : trans(monotonicity(rewrite(((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) <=> ((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))), rewrite(((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))) <=> ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))), ((((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))) <=> (((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))), rewrite((((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))) <=> (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))), ((((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))) <=> (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))))), (![B: $i] : (((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))) <=> ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))), ((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))))), rewrite((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))), ((![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))) <=> (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))))),
% 0.20/0.46      inference(bind,[status(th)],[])).
% 0.20/0.46  tff(59,plain,
% 0.20/0.46      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A))))))) <=> ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))),
% 0.20/0.46      inference(quant_intro,[status(thm)],[58])).
% 0.20/0.46  tff(60,plain,
% 0.20/0.46      (![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) <=> ![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))),
% 0.20/0.46      inference(rewrite,[status(thm)],[])).
% 0.20/0.46  tff(61,plain,
% 0.20/0.46      (^[A: $i] : trans(monotonicity(quant_intro(proof_bind(^[B: $i] : rewrite(((B = pair_second(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = D))) <=> ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))), (![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = D))) <=> ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))), ((?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = D)))) <=> (?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))))), rewrite((?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) <=> ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))), ((?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = D)))) <=> ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))))),
% 0.20/0.46      inference(bind,[status(th)],[])).
% 0.20/0.46  tff(62,plain,
% 0.20/0.46      (![A: $i] : (?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = D)))) <=> ![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))),
% 0.20/0.46      inference(quant_intro,[status(thm)],[61])).
% 0.20/0.46  tff(63,axiom,(![A: $i] : (?[B: $i, C: $i] : (A = ordered_pair(B, C)) => ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((A = ordered_pair(C, D)) => (B = D))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d2_mcart_1')).
% 0.20/0.46  tff(64,plain,
% 0.20/0.46      (![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))),
% 0.20/0.46      inference(modus_ponens,[status(thm)],[63, 62])).
% 0.20/0.46  tff(65,plain,
% 0.20/0.46      (![A: $i] : ((~?[B: $i, C: $i] : (A = ordered_pair(B, C))) | ![B: $i] : ((B = pair_second(A)) <=> ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))))),
% 0.20/0.46      inference(modus_ponens,[status(thm)],[64, 60])).
% 0.20/0.46  tff(66,plain,(
% 0.20/0.46      ![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D))) & ((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))),
% 0.20/0.46      inference(skolemize,[status(sab)],[65])).
% 0.20/0.46  tff(67,plain,
% 0.20/0.46      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))),
% 0.20/0.46      inference(modus_ponens,[status(thm)],[66, 59])).
% 0.20/0.46  tff(68,plain,
% 0.20/0.46      (![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))),
% 0.20/0.46      inference(modus_ponens,[status(thm)],[67, 57])).
% 0.20/0.46  tff(69,plain,
% 0.20/0.46      (((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))) | (![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3))))))))))) <=> ((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))) | ![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3))))))))))),
% 0.20/0.46      inference(rewrite,[status(thm)],[])).
% 0.20/0.46  tff(70,plain,
% 0.20/0.46      ((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))) | (![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3))))))))))),
% 0.20/0.46      inference(quant_inst,[status(thm)],[])).
% 0.20/0.46  tff(71,plain,
% 0.20/0.46      ((~![A: $i] : (![B: $i, C: $i] : (~(A = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(A))) | ![C: $i, D: $i] : ((~(A = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(A)) | (~((~(A = ordered_pair(tptp_fun_C_8(B, A), tptp_fun_D_7(B, A)))) | (B = tptp_fun_D_7(B, A)))))))))) | ![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))),
% 0.20/0.46      inference(modus_ponens,[status(thm)],[70, 69])).
% 0.20/0.46  tff(72,plain,
% 0.20/0.46      (![B: $i, C: $i] : (~(ordered_pair(A!4, B!3) = ordered_pair(B, C))) | ![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))),
% 0.20/0.46      inference(unit_resolution,[status(thm)],[71, 68])).
% 0.20/0.46  tff(73,plain,
% 0.20/0.46      (![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))),
% 0.20/0.46      inference(unit_resolution,[status(thm)],[72, 12])).
% 0.20/0.46  tff(74,plain,
% 0.20/0.46      (((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) <=> ((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))),
% 0.20/0.46      inference(rewrite,[status(thm)],[])).
% 0.20/0.46  tff(75,plain,
% 0.20/0.46      ((~(~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) <=> ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))),
% 0.20/0.46      inference(rewrite,[status(thm)],[])).
% 0.20/0.46  tff(76,plain,
% 0.20/0.46      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | $false) <=> (~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))),
% 0.20/0.46      inference(rewrite,[status(thm)],[])).
% 0.20/0.46  tff(77,plain,
% 0.20/0.46      (($true | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))) <=> $true),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(78,plain,
% 0.20/0.47      ((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) <=> $true),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(79,plain,
% 0.20/0.47      (((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))) <=> ($true | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))),
% 0.20/0.47      inference(monotonicity,[status(thm)],[78])).
% 0.20/0.47  tff(80,plain,
% 0.20/0.47      (((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))) <=> $true),
% 0.20/0.47      inference(transitivity,[status(thm)],[79, 77])).
% 0.20/0.47  tff(81,plain,
% 0.20/0.47      ((~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))) <=> (~$true)),
% 0.20/0.47      inference(monotonicity,[status(thm)],[80])).
% 0.20/0.47  tff(82,plain,
% 0.20/0.47      ((~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))) <=> $false),
% 0.20/0.47      inference(transitivity,[status(thm)],[81, 2])).
% 0.20/0.47  tff(83,plain,
% 0.20/0.47      ((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) <=> (~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(84,plain,
% 0.20/0.47      (((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | $false)),
% 0.20/0.47      inference(monotonicity,[status(thm)],[83, 82])).
% 0.20/0.47  tff(85,plain,
% 0.20/0.47      (((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))) <=> (~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))),
% 0.20/0.47      inference(transitivity,[status(thm)],[84, 76])).
% 0.20/0.47  tff(86,plain,
% 0.20/0.47      ((~((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))))) <=> (~(~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))))),
% 0.20/0.47      inference(monotonicity,[status(thm)],[85])).
% 0.20/0.47  tff(87,plain,
% 0.20/0.47      ((~((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))))))) <=> ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))),
% 0.20/0.47      inference(transitivity,[status(thm)],[86, 75])).
% 0.20/0.47  tff(88,plain,
% 0.20/0.47      (((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | (~((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))))) <=> ((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))),
% 0.20/0.47      inference(monotonicity,[status(thm)],[87])).
% 0.20/0.47  tff(89,plain,
% 0.20/0.47      (((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | (~((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))))) <=> ((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))),
% 0.20/0.47      inference(transitivity,[status(thm)],[88, 74])).
% 0.20/0.47  tff(90,plain,
% 0.20/0.47      ((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | (~((~((~(pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D)))) | (~((pair_second(ordered_pair(A!4, B!3)) = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)), tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3))))) | (pair_second(ordered_pair(A!4, B!3)) = tptp_fun_D_7(pair_second(ordered_pair(A!4, B!3)), ordered_pair(A!4, B!3)))))))))),
% 0.20/0.47      inference(quant_inst,[status(thm)],[])).
% 0.20/0.47  tff(91,plain,
% 0.20/0.47      ((~![B: $i] : (~((~((~(B = pair_second(ordered_pair(A!4, B!3)))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (B = D)))) | (~((B = pair_second(ordered_pair(A!4, B!3))) | (~((~(ordered_pair(A!4, B!3) = ordered_pair(tptp_fun_C_8(B, ordered_pair(A!4, B!3)), tptp_fun_D_7(B, ordered_pair(A!4, B!3))))) | (B = tptp_fun_D_7(B, ordered_pair(A!4, B!3)))))))))) | ![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))),
% 0.20/0.47      inference(modus_ponens,[status(thm)],[90, 89])).
% 0.20/0.47  tff(92,plain,
% 0.20/0.47      (![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))),
% 0.20/0.47      inference(unit_resolution,[status(thm)],[91, 73])).
% 0.20/0.47  tff(93,assumption,(![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))), introduced(assumption)).
% 0.20/0.47  tff(94,assumption,(~(pair_second(ordered_pair(A!4, B!3)) = B!3)), introduced(assumption)).
% 0.20/0.47  tff(95,plain,
% 0.20/0.47      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | (pair_second(ordered_pair(A!4, B!3)) = B!3)) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | (pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(96,plain,
% 0.20/0.47      (($false | (pair_second(ordered_pair(A!4, B!3)) = B!3)) <=> (pair_second(ordered_pair(A!4, B!3)) = B!3)),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(97,plain,
% 0.20/0.47      (((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_second(ordered_pair(A!4, B!3)) = B!3)) <=> ($false | (pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.47      inference(monotonicity,[status(thm)],[5])).
% 0.20/0.47  tff(98,plain,
% 0.20/0.47      (((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_second(ordered_pair(A!4, B!3)) = B!3)) <=> (pair_second(ordered_pair(A!4, B!3)) = B!3)),
% 0.20/0.47      inference(transitivity,[status(thm)],[97, 96])).
% 0.20/0.47  tff(99,plain,
% 0.20/0.47      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_second(ordered_pair(A!4, B!3)) = B!3))) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | (pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.47      inference(monotonicity,[status(thm)],[98])).
% 0.20/0.47  tff(100,plain,
% 0.20/0.47      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_second(ordered_pair(A!4, B!3)) = B!3))) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | (pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.47      inference(transitivity,[status(thm)],[99, 95])).
% 0.20/0.47  tff(101,plain,
% 0.20/0.47      ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.47      inference(quant_inst,[status(thm)],[])).
% 0.20/0.47  tff(102,plain,
% 0.20/0.47      ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | (pair_second(ordered_pair(A!4, B!3)) = B!3)),
% 0.20/0.47      inference(modus_ponens,[status(thm)],[101, 100])).
% 0.20/0.47  tff(103,plain,
% 0.20/0.47      ($false),
% 0.20/0.47      inference(unit_resolution,[status(thm)],[102, 94, 93])).
% 0.20/0.47  tff(104,plain,((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_second(ordered_pair(A!4, B!3)) = D))) | (pair_second(ordered_pair(A!4, B!3)) = B!3)), inference(lemma,lemma(discharge,[]))).
% 0.20/0.47  tff(105,plain,
% 0.20/0.47      (pair_second(ordered_pair(A!4, B!3)) = B!3),
% 0.20/0.47      inference(unit_resolution,[status(thm)],[104, 92])).
% 0.20/0.47  tff(106,plain,
% 0.20/0.47      ((~(~((~(pair_first(ordered_pair(A!4, B!3)) = A!4)) | (~(pair_second(ordered_pair(A!4, B!3)) = B!3))))) <=> ((~(pair_first(ordered_pair(A!4, B!3)) = A!4)) | (~(pair_second(ordered_pair(A!4, B!3)) = B!3)))),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(107,plain,
% 0.20/0.47      (((pair_first(ordered_pair(A!4, B!3)) = A!4) & (pair_second(ordered_pair(A!4, B!3)) = B!3)) <=> (~((~(pair_first(ordered_pair(A!4, B!3)) = A!4)) | (~(pair_second(ordered_pair(A!4, B!3)) = B!3))))),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(108,plain,
% 0.20/0.47      ((~((pair_first(ordered_pair(A!4, B!3)) = A!4) & (pair_second(ordered_pair(A!4, B!3)) = B!3))) <=> (~(~((~(pair_first(ordered_pair(A!4, B!3)) = A!4)) | (~(pair_second(ordered_pair(A!4, B!3)) = B!3)))))),
% 0.20/0.47      inference(monotonicity,[status(thm)],[107])).
% 0.20/0.47  tff(109,plain,
% 0.20/0.47      ((~((pair_first(ordered_pair(A!4, B!3)) = A!4) & (pair_second(ordered_pair(A!4, B!3)) = B!3))) <=> ((~(pair_first(ordered_pair(A!4, B!3)) = A!4)) | (~(pair_second(ordered_pair(A!4, B!3)) = B!3)))),
% 0.20/0.47      inference(transitivity,[status(thm)],[108, 106])).
% 0.20/0.47  tff(110,plain,
% 0.20/0.47      ((~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))) <=> (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B)))),
% 0.20/0.47      inference(rewrite,[status(thm)],[])).
% 0.20/0.47  tff(111,axiom,(~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t7_mcart_1')).
% 0.20/0.47  tff(112,plain,
% 0.20/0.47      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.47      inference(modus_ponens,[status(thm)],[111, 110])).
% 0.20/0.47  tff(113,plain,
% 0.20/0.47      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.47      inference(modus_ponens,[status(thm)],[112, 110])).
% 0.20/0.47  tff(114,plain,
% 0.20/0.47      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.47      inference(modus_ponens,[status(thm)],[113, 110])).
% 0.20/0.47  tff(115,plain,
% 0.20/0.47      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.47      inference(modus_ponens,[status(thm)],[114, 110])).
% 0.20/0.47  tff(116,plain,
% 0.20/0.47      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.48      inference(modus_ponens,[status(thm)],[115, 110])).
% 0.20/0.48  tff(117,plain,
% 0.20/0.48      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.48      inference(modus_ponens,[status(thm)],[116, 110])).
% 0.20/0.48  tff(118,plain,
% 0.20/0.48      (~![A: $i, B: $i] : ((pair_first(ordered_pair(A, B)) = A) & (pair_second(ordered_pair(A, B)) = B))),
% 0.20/0.48      inference(modus_ponens,[status(thm)],[117, 110])).
% 0.20/0.48  tff(119,plain,(
% 0.20/0.48      ~((pair_first(ordered_pair(A!4, B!3)) = A!4) & (pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.48      inference(skolemize,[status(sab)],[118])).
% 0.20/0.48  tff(120,plain,
% 0.20/0.48      ((~(pair_first(ordered_pair(A!4, B!3)) = A!4)) | (~(pair_second(ordered_pair(A!4, B!3)) = B!3))),
% 0.20/0.48      inference(modus_ponens,[status(thm)],[119, 109])).
% 0.20/0.48  tff(121,plain,
% 0.20/0.48      (~(pair_first(ordered_pair(A!4, B!3)) = A!4)),
% 0.20/0.48      inference(unit_resolution,[status(thm)],[120, 105])).
% 0.20/0.48  tff(122,plain,
% 0.20/0.48      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | (pair_first(ordered_pair(A!4, B!3)) = A!4)) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | (pair_first(ordered_pair(A!4, B!3)) = A!4))),
% 0.20/0.48      inference(rewrite,[status(thm)],[])).
% 0.20/0.48  tff(123,plain,
% 0.20/0.48      (($false | (pair_first(ordered_pair(A!4, B!3)) = A!4)) <=> (pair_first(ordered_pair(A!4, B!3)) = A!4)),
% 0.20/0.48      inference(rewrite,[status(thm)],[])).
% 0.20/0.48  tff(124,plain,
% 0.20/0.48      (((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_first(ordered_pair(A!4, B!3)) = A!4)) <=> ($false | (pair_first(ordered_pair(A!4, B!3)) = A!4))),
% 0.20/0.48      inference(monotonicity,[status(thm)],[5])).
% 0.20/0.48  tff(125,plain,
% 0.20/0.48      (((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_first(ordered_pair(A!4, B!3)) = A!4)) <=> (pair_first(ordered_pair(A!4, B!3)) = A!4)),
% 0.20/0.48      inference(transitivity,[status(thm)],[124, 123])).
% 0.20/0.48  tff(126,plain,
% 0.20/0.48      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_first(ordered_pair(A!4, B!3)) = A!4))) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | (pair_first(ordered_pair(A!4, B!3)) = A!4))),
% 0.20/0.48      inference(monotonicity,[status(thm)],[125])).
% 0.20/0.48  tff(127,plain,
% 0.20/0.48      (((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_first(ordered_pair(A!4, B!3)) = A!4))) <=> ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | (pair_first(ordered_pair(A!4, B!3)) = A!4))),
% 0.20/0.48      inference(transitivity,[status(thm)],[126, 122])).
% 0.20/0.48  tff(128,plain,
% 0.20/0.48      ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | ((~(ordered_pair(A!4, B!3) = ordered_pair(A!4, B!3))) | (pair_first(ordered_pair(A!4, B!3)) = A!4))),
% 0.20/0.48      inference(quant_inst,[status(thm)],[])).
% 0.20/0.48  tff(129,plain,
% 0.20/0.48      ((~![C: $i, D: $i] : ((~(ordered_pair(A!4, B!3) = ordered_pair(C, D))) | (pair_first(ordered_pair(A!4, B!3)) = C))) | (pair_first(ordered_pair(A!4, B!3)) = A!4)),
% 0.20/0.48      inference(modus_ponens,[status(thm)],[128, 127])).
% 0.20/0.48  tff(130,plain,
% 0.20/0.48      ($false),
% 0.20/0.48      inference(unit_resolution,[status(thm)],[129, 121, 52])).
% 0.20/0.48  % SZS output end Proof
%------------------------------------------------------------------------------