TSTP Solution File: SEU238+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SEU238+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n026.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 07:28:25 EDT 2022

% Result   : Theorem 0.19s 0.55s
% Output   : Proof 0.53s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SEU238+1 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n026.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Sat Sep  3 11:09:54 EDT 2022
% 0.18/0.34  % CPUTime  : 
% 0.18/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.18/0.34  Usage: tptp [options] [-file:]file
% 0.18/0.34    -h, -?       prints this message.
% 0.18/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.18/0.34    -m, -model   generate model.
% 0.18/0.34    -p, -proof   generate proof.
% 0.18/0.34    -c, -core    generate unsat core of named formulas.
% 0.18/0.34    -st, -statistics display statistics.
% 0.18/0.34    -t:timeout   set timeout (in second).
% 0.18/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.18/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.18/0.34    -<param>:<value> configuration parameter and value.
% 0.18/0.34    -o:<output-file> file to place output in.
% 0.19/0.55  % SZS status Theorem
% 0.19/0.55  % SZS output start Proof
% 0.19/0.55  tff(in_type, type, (
% 0.19/0.55     in: ( $i * $i ) > $o)).
% 0.19/0.55  tff(tptp_fun_A_14_type, type, (
% 0.19/0.55     tptp_fun_A_14: $i)).
% 0.19/0.55  tff(succ_type, type, (
% 0.19/0.55     succ: $i > $i)).
% 0.19/0.55  tff(tptp_fun_B_15_type, type, (
% 0.19/0.55     tptp_fun_B_15: $i)).
% 0.19/0.55  tff(ordinal_type, type, (
% 0.19/0.55     ordinal: $i > $o)).
% 0.19/0.55  tff(being_limit_ordinal_type, type, (
% 0.19/0.55     being_limit_ordinal: $i > $o)).
% 0.19/0.55  tff(set_union2_type, type, (
% 0.19/0.55     set_union2: ( $i * $i ) > $i)).
% 0.19/0.55  tff(singleton_type, type, (
% 0.19/0.55     singleton: $i > $i)).
% 0.19/0.55  tff(tptp_fun_B_13_type, type, (
% 0.19/0.55     tptp_fun_B_13: $i > $i)).
% 0.19/0.55  tff(subset_type, type, (
% 0.19/0.55     subset: ( $i * $i ) > $o)).
% 0.19/0.55  tff(proper_subset_type, type, (
% 0.19/0.55     proper_subset: ( $i * $i ) > $o)).
% 0.19/0.55  tff(ordinal_subset_type, type, (
% 0.19/0.55     ordinal_subset: ( $i * $i ) > $o)).
% 0.19/0.55  tff(epsilon_connected_type, type, (
% 0.19/0.55     epsilon_connected: $i > $o)).
% 0.19/0.55  tff(epsilon_transitive_type, type, (
% 0.19/0.55     epsilon_transitive: $i > $o)).
% 0.19/0.55  tff(empty_type, type, (
% 0.19/0.55     empty: $i > $o)).
% 0.19/0.55  tff(1,plain,
% 0.19/0.55      (^[A: $i, B: $i] : refl((proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))) <=> (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(2,plain,
% 0.19/0.55      (![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))) <=> ![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[1])).
% 0.19/0.55  tff(3,plain,
% 0.19/0.55      (^[A: $i, B: $i] : rewrite((proper_subset(A, B) <=> (subset(A, B) & (~(A = B)))) <=> (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(4,plain,
% 0.19/0.55      (![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B)))) <=> ![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[3])).
% 0.19/0.55  tff(5,plain,
% 0.19/0.55      (![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B)))) <=> ![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B))))),
% 0.19/0.55      inference(rewrite,[status(thm)],[])).
% 0.19/0.55  tff(6,axiom,(![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d8_xboole_0')).
% 0.19/0.55  tff(7,plain,
% 0.19/0.55      (![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[6, 5])).
% 0.19/0.55  tff(8,plain,(
% 0.19/0.55      ![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B))))),
% 0.19/0.55      inference(skolemize,[status(sab)],[7])).
% 0.19/0.55  tff(9,plain,
% 0.19/0.55      (![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[8, 4])).
% 0.19/0.55  tff(10,plain,
% 0.19/0.55      (![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[9, 2])).
% 0.19/0.55  tff(11,plain,
% 0.19/0.55      ((~![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))) | (proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> (~((~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14))))),
% 0.19/0.55      inference(quant_inst,[status(thm)],[])).
% 0.19/0.55  tff(12,plain,
% 0.19/0.55      (proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> (~((~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14)))),
% 0.19/0.55      inference(unit_resolution,[status(thm)],[11, 10])).
% 0.19/0.55  tff(13,plain,
% 0.19/0.55      (^[A: $i] : refl((succ(A) = set_union2(A, singleton(A))) <=> (succ(A) = set_union2(A, singleton(A))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(14,plain,
% 0.19/0.55      (![A: $i] : (succ(A) = set_union2(A, singleton(A))) <=> ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[13])).
% 0.19/0.55  tff(15,plain,
% 0.19/0.55      (![A: $i] : (succ(A) = set_union2(A, singleton(A))) <=> ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.55      inference(rewrite,[status(thm)],[])).
% 0.19/0.55  tff(16,axiom,(![A: $i] : (succ(A) = set_union2(A, singleton(A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d1_ordinal1')).
% 0.19/0.55  tff(17,plain,
% 0.19/0.55      (![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[16, 15])).
% 0.19/0.55  tff(18,plain,(
% 0.19/0.55      ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.55      inference(skolemize,[status(sab)],[17])).
% 0.19/0.55  tff(19,plain,
% 0.19/0.55      (![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[18, 14])).
% 0.19/0.55  tff(20,plain,
% 0.19/0.55      ((~![A: $i] : (succ(A) = set_union2(A, singleton(A)))) | (succ(tptp_fun_B_13(A!14)) = set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))),
% 0.19/0.55      inference(quant_inst,[status(thm)],[])).
% 0.19/0.55  tff(21,plain,
% 0.19/0.55      (succ(tptp_fun_B_13(A!14)) = set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14)))),
% 0.19/0.55      inference(unit_resolution,[status(thm)],[20, 19])).
% 0.19/0.55  tff(22,plain,
% 0.19/0.55      (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = succ(tptp_fun_B_13(A!14))),
% 0.19/0.55      inference(symmetry,[status(thm)],[21])).
% 0.19/0.55  tff(23,plain,
% 0.19/0.55      (ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14)))) <=> ordinal(succ(tptp_fun_B_13(A!14)))),
% 0.19/0.55      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.55  tff(24,plain,
% 0.19/0.55      (ordinal(succ(tptp_fun_B_13(A!14))) <=> ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))),
% 0.19/0.55      inference(symmetry,[status(thm)],[23])).
% 0.19/0.55  tff(25,assumption,(~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))), introduced(assumption)).
% 0.19/0.55  tff(26,plain,
% 0.19/0.55      ((being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))) | (~being_limit_ordinal(A!14))),
% 0.19/0.55      inference(tautology,[status(thm)],[])).
% 0.19/0.55  tff(27,plain,
% 0.19/0.55      (~being_limit_ordinal(A!14)),
% 0.19/0.55      inference(unit_resolution,[status(thm)],[26, 25])).
% 0.19/0.55  tff(28,plain,
% 0.19/0.55      (((~(~ordinal(A!14))) & (((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | ((ordinal(B!15) & (A!14 = succ(B!15))) & being_limit_ordinal(A!14)))) <=> (ordinal(A!14) & (((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (ordinal(B!15) & (A!14 = succ(B!15)) & being_limit_ordinal(A!14))))),
% 0.19/0.55      inference(rewrite,[status(thm)],[])).
% 0.19/0.55  tff(29,plain,
% 0.19/0.55      ((~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))) <=> (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A))))))),
% 0.19/0.55      inference(rewrite,[status(thm)],[])).
% 0.19/0.55  tff(30,plain,
% 0.19/0.55      ((~![A: $i] : (ordinal(A) => ((~((~being_limit_ordinal(A)) & ![B: $i] : (ordinal(B) => (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))) <=> (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A))))))),
% 0.19/0.55      inference(rewrite,[status(thm)],[])).
% 0.19/0.55  tff(31,axiom,(~![A: $i] : (ordinal(A) => ((~((~being_limit_ordinal(A)) & ![B: $i] : (ordinal(B) => (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t42_ordinal1')).
% 0.19/0.55  tff(32,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[31, 30])).
% 0.19/0.55  tff(33,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[32, 29])).
% 0.19/0.55  tff(34,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[33, 29])).
% 0.19/0.55  tff(35,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[34, 29])).
% 0.19/0.55  tff(36,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[35, 29])).
% 0.19/0.55  tff(37,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[36, 29])).
% 0.19/0.55  tff(38,plain,
% 0.19/0.55      (~![A: $i] : ((~ordinal(A)) | ((~((~being_limit_ordinal(A)) & ![B: $i] : ((~ordinal(B)) | (~(A = succ(B)))))) & (~(?[B: $i] : (ordinal(B) & (A = succ(B))) & being_limit_ordinal(A)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[37, 29])).
% 0.19/0.55  tff(39,plain,
% 0.19/0.55      (ordinal(A!14) & (((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (ordinal(B!15) & (A!14 = succ(B!15)) & being_limit_ordinal(A!14)))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[38, 28])).
% 0.19/0.55  tff(40,plain,
% 0.19/0.55      (ordinal(A!14)),
% 0.19/0.55      inference(and_elim,[status(thm)],[39])).
% 0.19/0.55  tff(41,plain,
% 0.19/0.55      (^[A: $i] : refl(((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))) <=> ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(42,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))) <=> ![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[41])).
% 0.19/0.55  tff(43,plain,
% 0.19/0.55      (^[A: $i] : rewrite(((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))) <=> ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(44,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))) <=> ![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[43])).
% 0.19/0.55  tff(45,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))) <=> ![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))),
% 0.19/0.55      inference(transitivity,[status(thm)],[44, 42])).
% 0.19/0.55  tff(46,plain,
% 0.19/0.55      (^[A: $i] : rewrite(((~ordinal(A)) | (((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))) & (being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))) <=> ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(47,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))) & (being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A)))))))) <=> ![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[46])).
% 0.19/0.55  tff(48,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) <=> ![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))),
% 0.19/0.55      inference(rewrite,[status(thm)],[])).
% 0.19/0.55  tff(49,plain,
% 0.19/0.55      (^[A: $i] : trans(monotonicity(rewrite((being_limit_ordinal(A) <=> ![B: $i] : (ordinal(B) => (in(B, A) => in(succ(B), A)))) <=> (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))), ((ordinal(A) => (being_limit_ordinal(A) <=> ![B: $i] : (ordinal(B) => (in(B, A) => in(succ(B), A))))) <=> (ordinal(A) => (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))))), rewrite((ordinal(A) => (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) <=> ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))), ((ordinal(A) => (being_limit_ordinal(A) <=> ![B: $i] : (ordinal(B) => (in(B, A) => in(succ(B), A))))) <=> ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))))),
% 0.19/0.55      inference(bind,[status(th)],[])).
% 0.19/0.55  tff(50,plain,
% 0.19/0.55      (![A: $i] : (ordinal(A) => (being_limit_ordinal(A) <=> ![B: $i] : (ordinal(B) => (in(B, A) => in(succ(B), A))))) <=> ![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))),
% 0.19/0.55      inference(quant_intro,[status(thm)],[49])).
% 0.19/0.55  tff(51,axiom,(![A: $i] : (ordinal(A) => (being_limit_ordinal(A) <=> ![B: $i] : (ordinal(B) => (in(B, A) => in(succ(B), A)))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t41_ordinal1')).
% 0.19/0.55  tff(52,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[51, 50])).
% 0.19/0.55  tff(53,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[52, 48])).
% 0.19/0.55  tff(54,plain,(
% 0.19/0.55      ![A: $i] : ((~ordinal(A)) | (((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))) & (being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))),
% 0.19/0.55      inference(skolemize,[status(sab)],[53])).
% 0.19/0.55  tff(55,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))),
% 0.19/0.55      inference(modus_ponens,[status(thm)],[54, 47])).
% 0.19/0.55  tff(56,plain,
% 0.19/0.55      (![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[55, 45])).
% 0.19/0.56  tff(57,plain,
% 0.19/0.56      (((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | ((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))) <=> ((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | (~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))),
% 0.19/0.56      inference(rewrite,[status(thm)],[])).
% 0.19/0.56  tff(58,plain,
% 0.19/0.56      (((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~in(B, A!14)) | in(succ(B), A!14) | (~ordinal(B))))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))))))) <=> ((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))),
% 0.19/0.56      inference(rewrite,[status(thm)],[])).
% 0.19/0.56  tff(59,plain,
% 0.19/0.56      (((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | ((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~in(B, A!14)) | in(succ(B), A!14) | (~ordinal(B))))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))) <=> ((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | ((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))))))))),
% 0.19/0.56      inference(monotonicity,[status(thm)],[58])).
% 0.19/0.56  tff(60,plain,
% 0.19/0.56      (((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | ((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~in(B, A!14)) | in(succ(B), A!14) | (~ordinal(B))))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))) <=> ((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | (~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))),
% 0.19/0.56      inference(transitivity,[status(thm)],[59, 57])).
% 0.19/0.56  tff(61,plain,
% 0.19/0.56      ((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | ((~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~in(B, A!14)) | in(succ(B), A!14) | (~ordinal(B))))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))))),
% 0.19/0.56      inference(quant_inst,[status(thm)],[])).
% 0.19/0.56  tff(62,plain,
% 0.19/0.56      ((~![A: $i] : ((~ordinal(A)) | (~((~((~being_limit_ordinal(A)) | ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B))))) | (~(being_limit_ordinal(A) | (~((~in(tptp_fun_B_13(A), A)) | in(succ(tptp_fun_B_13(A)), A) | (~ordinal(tptp_fun_B_13(A))))))))))) | (~ordinal(A!14)) | (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[61, 60])).
% 0.19/0.56  tff(63,plain,
% 0.19/0.56      (~((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[62, 56, 40])).
% 0.19/0.56  tff(64,plain,
% 0.19/0.56      (((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))))) | (being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))),
% 0.19/0.56      inference(tautology,[status(thm)],[])).
% 0.19/0.56  tff(65,plain,
% 0.19/0.56      (being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[64, 63])).
% 0.19/0.56  tff(66,plain,
% 0.19/0.56      ((~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))))) | being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))),
% 0.19/0.56      inference(tautology,[status(thm)],[])).
% 0.19/0.56  tff(67,plain,
% 0.19/0.56      (being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[66, 65])).
% 0.19/0.56  tff(68,plain,
% 0.19/0.56      (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14))))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[67, 27])).
% 0.19/0.56  tff(69,plain,
% 0.19/0.56      (((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))) | ordinal(tptp_fun_B_13(A!14))),
% 0.19/0.56      inference(tautology,[status(thm)],[])).
% 0.19/0.56  tff(70,plain,
% 0.19/0.56      (ordinal(tptp_fun_B_13(A!14))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[69, 68])).
% 0.19/0.56  tff(71,plain,
% 0.19/0.56      (^[A: $i] : refl(((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A)))))) <=> ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A)))))))),
% 0.19/0.56      inference(bind,[status(th)],[])).
% 0.19/0.56  tff(72,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A)))))) <=> ![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))),
% 0.19/0.56      inference(quant_intro,[status(thm)],[71])).
% 0.19/0.56  tff(73,plain,
% 0.19/0.56      (^[A: $i] : rewrite(((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A)))) <=> ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A)))))))),
% 0.19/0.56      inference(bind,[status(th)],[])).
% 0.19/0.56  tff(74,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A)))) <=> ![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))),
% 0.19/0.56      inference(quant_intro,[status(thm)],[73])).
% 0.19/0.56  tff(75,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A)))) <=> ![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.56      inference(rewrite,[status(thm)],[])).
% 0.19/0.56  tff(76,plain,
% 0.19/0.56      (^[A: $i] : trans(monotonicity(trans(monotonicity(rewrite((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) <=> ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)))), (((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) & ordinal(succ(A))) <=> (((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A))) & ordinal(succ(A))))), rewrite((((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A))) & ordinal(succ(A))) <=> ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A)))), (((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) & ordinal(succ(A))) <=> ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))), ((ordinal(A) => ((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) & ordinal(succ(A)))) <=> (ordinal(A) => ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A)))))), rewrite((ordinal(A) => ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A)))) <=> ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))), ((ordinal(A) => ((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) & ordinal(succ(A)))) <=> ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))))),
% 0.19/0.56      inference(bind,[status(th)],[])).
% 0.19/0.56  tff(77,plain,
% 0.19/0.56      (![A: $i] : (ordinal(A) => ((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) & ordinal(succ(A)))) <=> ![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.56      inference(quant_intro,[status(thm)],[76])).
% 0.19/0.56  tff(78,axiom,(![A: $i] : (ordinal(A) => ((((~empty(succ(A))) & epsilon_transitive(succ(A))) & epsilon_connected(succ(A))) & ordinal(succ(A))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','fc3_ordinal1')).
% 0.19/0.56  tff(79,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[78, 77])).
% 0.19/0.56  tff(80,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[79, 75])).
% 0.19/0.56  tff(81,plain,(
% 0.19/0.56      ![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.56      inference(skolemize,[status(sab)],[80])).
% 0.19/0.56  tff(82,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[81, 74])).
% 0.19/0.56  tff(83,plain,
% 0.19/0.56      (![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[82, 72])).
% 0.19/0.56  tff(84,plain,
% 0.19/0.56      (((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | ((~ordinal(tptp_fun_B_13(A!14))) | (~(empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14)))))))) <=> ((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | (~ordinal(tptp_fun_B_13(A!14))) | (~(empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14)))))))),
% 0.19/0.56      inference(rewrite,[status(thm)],[])).
% 0.19/0.56  tff(85,plain,
% 0.19/0.56      ((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | ((~ordinal(tptp_fun_B_13(A!14))) | (~(empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14)))))))),
% 0.19/0.56      inference(quant_inst,[status(thm)],[])).
% 0.19/0.56  tff(86,plain,
% 0.19/0.56      ((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | (~ordinal(tptp_fun_B_13(A!14))) | (~(empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14))))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[85, 84])).
% 0.19/0.56  tff(87,plain,
% 0.19/0.56      (~(empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14)))))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[86, 83, 70])).
% 0.19/0.56  tff(88,plain,
% 0.19/0.56      ((empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14))))) | ordinal(succ(tptp_fun_B_13(A!14)))),
% 0.19/0.56      inference(tautology,[status(thm)],[])).
% 0.19/0.56  tff(89,plain,
% 0.19/0.56      (ordinal(succ(tptp_fun_B_13(A!14)))),
% 0.19/0.56      inference(unit_resolution,[status(thm)],[88, 87])).
% 0.19/0.56  tff(90,plain,
% 0.19/0.56      (ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))),
% 0.19/0.56      inference(modus_ponens,[status(thm)],[89, 24])).
% 0.19/0.56  tff(91,plain,
% 0.19/0.56      (^[A: $i, B: $i] : refl(((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A))) <=> ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A))))),
% 0.19/0.56      inference(bind,[status(th)],[])).
% 0.19/0.56  tff(92,plain,
% 0.19/0.56      (![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A))) <=> ![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))),
% 0.19/0.56      inference(quant_intro,[status(thm)],[91])).
% 0.19/0.56  tff(93,plain,
% 0.19/0.56      (^[A: $i, B: $i] : trans(monotonicity(trans(monotonicity(rewrite((ordinal(A) & ordinal(B)) <=> (~((~ordinal(B)) | (~ordinal(A))))), ((~(ordinal(A) & ordinal(B))) <=> (~(~((~ordinal(B)) | (~ordinal(A))))))), rewrite((~(~((~ordinal(B)) | (~ordinal(A))))) <=> ((~ordinal(B)) | (~ordinal(A)))), ((~(ordinal(A) & ordinal(B))) <=> ((~ordinal(B)) | (~ordinal(A))))), (((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B))) <=> (((~ordinal(B)) | (~ordinal(A))) | (ordinal_subset(A, B) <=> subset(A, B))))), rewrite((((~ordinal(B)) | (~ordinal(A))) | (ordinal_subset(A, B) <=> subset(A, B))) <=> ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))), (((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B))) <=> ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))))),
% 0.19/0.56      inference(bind,[status(th)],[])).
% 0.19/0.56  tff(94,plain,
% 0.19/0.56      (![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B))) <=> ![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))),
% 0.19/0.56      inference(quant_intro,[status(thm)],[93])).
% 0.19/0.56  tff(95,plain,
% 0.19/0.56      (![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B))) <=> ![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(96,plain,
% 0.19/0.57      (^[A: $i, B: $i] : rewrite(((ordinal(A) & ordinal(B)) => (ordinal_subset(A, B) <=> subset(A, B))) <=> ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B))))),
% 0.19/0.57      inference(bind,[status(th)],[])).
% 0.19/0.57  tff(97,plain,
% 0.19/0.57      (![A: $i, B: $i] : ((ordinal(A) & ordinal(B)) => (ordinal_subset(A, B) <=> subset(A, B))) <=> ![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.57      inference(quant_intro,[status(thm)],[96])).
% 0.19/0.57  tff(98,axiom,(![A: $i, B: $i] : ((ordinal(A) & ordinal(B)) => (ordinal_subset(A, B) <=> subset(A, B)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','redefinition_r1_ordinal1')).
% 0.19/0.57  tff(99,plain,
% 0.19/0.57      (![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[98, 97])).
% 0.19/0.57  tff(100,plain,
% 0.19/0.57      (![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[99, 95])).
% 0.19/0.57  tff(101,plain,(
% 0.19/0.57      ![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.57      inference(skolemize,[status(sab)],[100])).
% 0.19/0.57  tff(102,plain,
% 0.19/0.57      (![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[101, 94])).
% 0.19/0.57  tff(103,plain,
% 0.19/0.57      (![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[102, 92])).
% 0.19/0.57  tff(104,plain,
% 0.19/0.57      (((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))) <=> ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(105,plain,
% 0.19/0.57      (((ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14)))))) <=> ((~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(106,plain,
% 0.19/0.57      (((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))))) <=> ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))))),
% 0.19/0.57      inference(monotonicity,[status(thm)],[105])).
% 0.19/0.57  tff(107,plain,
% 0.19/0.57      (((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))))) <=> ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))),
% 0.19/0.57      inference(transitivity,[status(thm)],[106, 104])).
% 0.19/0.57  tff(108,plain,
% 0.19/0.57      ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))))),
% 0.19/0.57      inference(quant_inst,[status(thm)],[])).
% 0.19/0.57  tff(109,plain,
% 0.19/0.57      ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | (~ordinal(A!14)) | (~ordinal(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[108, 107])).
% 0.19/0.57  tff(110,plain,
% 0.19/0.57      (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[109, 103, 40, 90])).
% 0.19/0.57  tff(111,plain,
% 0.19/0.57      (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.57  tff(112,plain,
% 0.19/0.57      (ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14) <=> ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(symmetry,[status(thm)],[111])).
% 0.19/0.57  tff(113,plain,
% 0.19/0.57      (^[A: $i] : refl(((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))))),
% 0.19/0.57      inference(bind,[status(th)],[])).
% 0.19/0.57  tff(114,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(quant_intro,[status(thm)],[113])).
% 0.19/0.57  tff(115,plain,
% 0.19/0.57      (^[A: $i] : rewrite(((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))))),
% 0.19/0.57      inference(bind,[status(th)],[])).
% 0.19/0.57  tff(116,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(quant_intro,[status(thm)],[115])).
% 0.19/0.57  tff(117,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(transitivity,[status(thm)],[116, 114])).
% 0.19/0.57  tff(118,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(119,plain,
% 0.19/0.57      (^[A: $i] : trans(monotonicity(quant_intro(proof_bind(^[B: $i] : rewrite((ordinal(B) => (in(A, B) <=> ordinal_subset(succ(A), B))) <=> ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))), (![B: $i] : (ordinal(B) => (in(A, B) <=> ordinal_subset(succ(A), B))) <=> ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))), ((ordinal(A) => ![B: $i] : (ordinal(B) => (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> (ordinal(A) => ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))))), rewrite((ordinal(A) => ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))), ((ordinal(A) => ![B: $i] : (ordinal(B) => (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))))),
% 0.19/0.57      inference(bind,[status(th)],[])).
% 0.19/0.57  tff(120,plain,
% 0.19/0.57      (![A: $i] : (ordinal(A) => ![B: $i] : (ordinal(B) => (in(A, B) <=> ordinal_subset(succ(A), B)))) <=> ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(quant_intro,[status(thm)],[119])).
% 0.19/0.57  tff(121,axiom,(![A: $i] : (ordinal(A) => ![B: $i] : (ordinal(B) => (in(A, B) <=> ordinal_subset(succ(A), B))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t33_ordinal1')).
% 0.19/0.57  tff(122,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[121, 120])).
% 0.19/0.57  tff(123,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[122, 118])).
% 0.19/0.57  tff(124,plain,(
% 0.19/0.57      ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(skolemize,[status(sab)],[123])).
% 0.19/0.57  tff(125,plain,
% 0.19/0.57      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[124, 117])).
% 0.19/0.57  tff(126,plain,
% 0.19/0.57      (((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | ((~ordinal(tptp_fun_B_13(A!14))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B))))) <=> ((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | (~ordinal(tptp_fun_B_13(A!14))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B))))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(127,plain,
% 0.19/0.57      ((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | ((~ordinal(tptp_fun_B_13(A!14))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B))))),
% 0.19/0.57      inference(quant_inst,[status(thm)],[])).
% 0.19/0.57  tff(128,plain,
% 0.19/0.57      ((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | (~ordinal(tptp_fun_B_13(A!14))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B)))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[127, 126])).
% 0.19/0.57  tff(129,plain,
% 0.19/0.57      (![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B)))),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[128, 125, 70])).
% 0.19/0.57  tff(130,plain,
% 0.19/0.57      (((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B)))) | ((~ordinal(A!14)) | (in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)))) <=> ((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B)))) | (~ordinal(A!14)) | (in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(131,plain,
% 0.19/0.57      ((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B)))) | ((~ordinal(A!14)) | (in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)))),
% 0.19/0.57      inference(quant_inst,[status(thm)],[])).
% 0.19/0.57  tff(132,plain,
% 0.19/0.57      ((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_13(A!14), B) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), B)))) | (~ordinal(A!14)) | (in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[131, 130])).
% 0.19/0.57  tff(133,plain,
% 0.19/0.57      (in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[132, 40, 129])).
% 0.19/0.57  tff(134,plain,
% 0.19/0.57      (((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))) | in(tptp_fun_B_13(A!14), A!14)),
% 0.19/0.57      inference(tautology,[status(thm)],[])).
% 0.19/0.57  tff(135,plain,
% 0.19/0.57      (in(tptp_fun_B_13(A!14), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[134, 68])).
% 0.19/0.57  tff(136,plain,
% 0.19/0.57      ((~(in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14))) | (~in(tptp_fun_B_13(A!14), A!14)) | ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(tautology,[status(thm)],[])).
% 0.19/0.57  tff(137,plain,
% 0.19/0.57      ((~(in(tptp_fun_B_13(A!14), A!14) <=> ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14))) | ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[136, 135])).
% 0.19/0.57  tff(138,plain,
% 0.19/0.57      (ordinal_subset(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[137, 133])).
% 0.19/0.57  tff(139,plain,
% 0.19/0.57      (ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[138, 112])).
% 0.19/0.57  tff(140,plain,
% 0.19/0.57      ((~(ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))) | (~ordinal_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(tautology,[status(thm)],[])).
% 0.19/0.57  tff(141,plain,
% 0.19/0.57      (subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[140, 139, 110])).
% 0.19/0.57  tff(142,plain,
% 0.19/0.57      ((succ(tptp_fun_B_13(A!14)) = A!14) <=> (A!14 = succ(tptp_fun_B_13(A!14)))),
% 0.19/0.57      inference(commutativity,[status(thm)],[])).
% 0.19/0.57  tff(143,plain,
% 0.19/0.57      ((set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14) <=> (succ(tptp_fun_B_13(A!14)) = A!14)),
% 0.19/0.57      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.57  tff(144,plain,
% 0.19/0.57      ((set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14) <=> (A!14 = succ(tptp_fun_B_13(A!14)))),
% 0.19/0.57      inference(transitivity,[status(thm)],[143, 142])).
% 0.19/0.57  tff(145,plain,
% 0.19/0.57      ((A!14 = succ(tptp_fun_B_13(A!14))) <=> (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14)),
% 0.19/0.57      inference(symmetry,[status(thm)],[144])).
% 0.19/0.57  tff(146,plain,
% 0.19/0.57      ((~(A!14 = succ(tptp_fun_B_13(A!14)))) <=> (~(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14))),
% 0.19/0.57      inference(monotonicity,[status(thm)],[145])).
% 0.19/0.57  tff(147,plain,
% 0.19/0.57      ((being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))) | ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))),
% 0.19/0.57      inference(tautology,[status(thm)],[])).
% 0.19/0.57  tff(148,plain,
% 0.19/0.57      (![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[147, 25])).
% 0.19/0.57  tff(149,plain,
% 0.19/0.57      (((~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | ((~ordinal(tptp_fun_B_13(A!14))) | (~(A!14 = succ(tptp_fun_B_13(A!14)))))) <=> ((~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (~ordinal(tptp_fun_B_13(A!14))) | (~(A!14 = succ(tptp_fun_B_13(A!14)))))),
% 0.19/0.57      inference(rewrite,[status(thm)],[])).
% 0.19/0.57  tff(150,plain,
% 0.19/0.57      ((~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | ((~ordinal(tptp_fun_B_13(A!14))) | (~(A!14 = succ(tptp_fun_B_13(A!14)))))),
% 0.19/0.57      inference(quant_inst,[status(thm)],[])).
% 0.19/0.57  tff(151,plain,
% 0.19/0.57      ((~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (~ordinal(tptp_fun_B_13(A!14))) | (~(A!14 = succ(tptp_fun_B_13(A!14))))),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[150, 149])).
% 0.19/0.57  tff(152,plain,
% 0.19/0.57      (~(A!14 = succ(tptp_fun_B_13(A!14)))),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[151, 148, 70])).
% 0.19/0.57  tff(153,plain,
% 0.19/0.57      (~(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14)),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[152, 146])).
% 0.19/0.57  tff(154,plain,
% 0.19/0.57      ((~((~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14))) | (~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14)),
% 0.19/0.57      inference(tautology,[status(thm)],[])).
% 0.19/0.57  tff(155,plain,
% 0.19/0.57      (~((~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14))),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[154, 153, 141])).
% 0.19/0.57  tff(156,plain,
% 0.19/0.57      (in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> in(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.57  tff(157,plain,
% 0.19/0.57      (in(succ(tptp_fun_B_13(A!14)), A!14) <=> in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(symmetry,[status(thm)],[156])).
% 0.19/0.57  tff(158,plain,
% 0.19/0.57      ((~in(succ(tptp_fun_B_13(A!14)), A!14)) <=> (~in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))),
% 0.19/0.57      inference(monotonicity,[status(thm)],[157])).
% 0.19/0.57  tff(159,plain,
% 0.19/0.57      (((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))) | (~in(succ(tptp_fun_B_13(A!14)), A!14))),
% 0.19/0.57      inference(tautology,[status(thm)],[])).
% 0.19/0.57  tff(160,plain,
% 0.19/0.57      (~in(succ(tptp_fun_B_13(A!14)), A!14)),
% 0.19/0.57      inference(unit_resolution,[status(thm)],[159, 68])).
% 0.19/0.57  tff(161,plain,
% 0.19/0.57      (~in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.19/0.57      inference(modus_ponens,[status(thm)],[160, 158])).
% 0.19/0.57  tff(162,plain,
% 0.19/0.57      (epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14)))) <=> epsilon_transitive(succ(tptp_fun_B_13(A!14)))),
% 0.19/0.57      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.57  tff(163,plain,
% 0.19/0.57      (epsilon_transitive(succ(tptp_fun_B_13(A!14))) <=> epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))),
% 0.19/0.58      inference(symmetry,[status(thm)],[162])).
% 0.19/0.58  tff(164,plain,
% 0.19/0.58      ((empty(succ(tptp_fun_B_13(A!14))) | (~epsilon_transitive(succ(tptp_fun_B_13(A!14)))) | (~epsilon_connected(succ(tptp_fun_B_13(A!14)))) | (~ordinal(succ(tptp_fun_B_13(A!14))))) | epsilon_transitive(succ(tptp_fun_B_13(A!14)))),
% 0.19/0.58      inference(tautology,[status(thm)],[])).
% 0.19/0.58  tff(165,plain,
% 0.19/0.58      (epsilon_transitive(succ(tptp_fun_B_13(A!14)))),
% 0.19/0.58      inference(unit_resolution,[status(thm)],[164, 87])).
% 0.19/0.58  tff(166,plain,
% 0.19/0.58      (epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))),
% 0.19/0.58      inference(modus_ponens,[status(thm)],[165, 163])).
% 0.19/0.58  tff(167,plain,
% 0.19/0.58      (^[A: $i] : refl(((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))))),
% 0.19/0.58      inference(bind,[status(th)],[])).
% 0.19/0.58  tff(168,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(quant_intro,[status(thm)],[167])).
% 0.19/0.58  tff(169,plain,
% 0.19/0.58      (^[A: $i] : rewrite(((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))))),
% 0.19/0.58      inference(bind,[status(th)],[])).
% 0.19/0.58  tff(170,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(quant_intro,[status(thm)],[169])).
% 0.19/0.58  tff(171,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(transitivity,[status(thm)],[170, 168])).
% 0.19/0.58  tff(172,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(rewrite,[status(thm)],[])).
% 0.19/0.58  tff(173,plain,
% 0.19/0.58      (^[A: $i] : trans(monotonicity(quant_intro(proof_bind(^[B: $i] : trans(monotonicity(rewrite((proper_subset(A, B) => in(A, B)) <=> ((~proper_subset(A, B)) | in(A, B))), ((ordinal(B) => (proper_subset(A, B) => in(A, B))) <=> (ordinal(B) => ((~proper_subset(A, B)) | in(A, B))))), rewrite((ordinal(B) => ((~proper_subset(A, B)) | in(A, B))) <=> (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))), ((ordinal(B) => (proper_subset(A, B) => in(A, B))) <=> (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))))), (![B: $i] : (ordinal(B) => (proper_subset(A, B) => in(A, B))) <=> ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))), ((epsilon_transitive(A) => ![B: $i] : (ordinal(B) => (proper_subset(A, B) => in(A, B)))) <=> (epsilon_transitive(A) => ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))))), rewrite((epsilon_transitive(A) => ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B)))) <=> ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))), ((epsilon_transitive(A) => ![B: $i] : (ordinal(B) => (proper_subset(A, B) => in(A, B)))) <=> ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))))),
% 0.19/0.58      inference(bind,[status(th)],[])).
% 0.19/0.58  tff(174,plain,
% 0.19/0.58      (![A: $i] : (epsilon_transitive(A) => ![B: $i] : (ordinal(B) => (proper_subset(A, B) => in(A, B)))) <=> ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(quant_intro,[status(thm)],[173])).
% 0.19/0.58  tff(175,axiom,(![A: $i] : (epsilon_transitive(A) => ![B: $i] : (ordinal(B) => (proper_subset(A, B) => in(A, B))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t21_ordinal1')).
% 0.19/0.58  tff(176,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(modus_ponens,[status(thm)],[175, 174])).
% 0.19/0.58  tff(177,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(modus_ponens,[status(thm)],[176, 172])).
% 0.19/0.58  tff(178,plain,(
% 0.19/0.58      ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(skolemize,[status(sab)],[177])).
% 0.19/0.58  tff(179,plain,
% 0.19/0.58      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.58      inference(modus_ponens,[status(thm)],[178, 171])).
% 0.19/0.58  tff(180,plain,
% 0.19/0.58      (((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B))))) <=> ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | (~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B))))),
% 0.19/0.58      inference(rewrite,[status(thm)],[])).
% 0.19/0.58  tff(181,plain,
% 0.19/0.58      (((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : (in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)) | (~ordinal(B)))) <=> ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B))))),
% 0.53/0.58      inference(rewrite,[status(thm)],[])).
% 0.53/0.58  tff(182,plain,
% 0.53/0.58      (((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : (in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)) | (~ordinal(B))))) <=> ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))))),
% 0.53/0.58      inference(monotonicity,[status(thm)],[181])).
% 0.53/0.58  tff(183,plain,
% 0.53/0.58      (((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : (in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)) | (~ordinal(B))))) <=> ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | (~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B))))),
% 0.53/0.58      inference(transitivity,[status(thm)],[182, 180])).
% 0.53/0.58  tff(184,plain,
% 0.53/0.58      ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : (in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)) | (~ordinal(B))))),
% 0.53/0.58      inference(quant_inst,[status(thm)],[])).
% 0.53/0.58  tff(185,plain,
% 0.53/0.58      ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | (~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))),
% 0.53/0.58      inference(modus_ponens,[status(thm)],[184, 183])).
% 0.53/0.58  tff(186,plain,
% 0.53/0.58      ((~epsilon_transitive(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))),
% 0.53/0.58      inference(unit_resolution,[status(thm)],[185, 179])).
% 0.53/0.58  tff(187,plain,
% 0.53/0.58      (![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))),
% 0.53/0.58      inference(unit_resolution,[status(thm)],[186, 166])).
% 0.53/0.58  tff(188,plain,
% 0.53/0.58      (((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | ((~ordinal(A!14)) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))) <=> ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | (~ordinal(A!14)) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))),
% 0.53/0.58      inference(rewrite,[status(thm)],[])).
% 0.53/0.58  tff(189,plain,
% 0.53/0.58      (((~ordinal(A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))) <=> ((~ordinal(A!14)) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))),
% 0.53/0.58      inference(rewrite,[status(thm)],[])).
% 0.53/0.58  tff(190,plain,
% 0.53/0.58      (((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | ((~ordinal(A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))) <=> ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | ((~ordinal(A!14)) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))),
% 0.53/0.58      inference(monotonicity,[status(thm)],[189])).
% 0.53/0.58  tff(191,plain,
% 0.53/0.58      (((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | ((~ordinal(A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))) <=> ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | (~ordinal(A!14)) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14))),
% 0.53/0.58      inference(transitivity,[status(thm)],[190, 188])).
% 0.53/0.58  tff(192,plain,
% 0.53/0.58      ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | ((~ordinal(A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)))),
% 0.53/0.58      inference(quant_inst,[status(thm)],[])).
% 0.53/0.58  tff(193,plain,
% 0.53/0.58      ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), B)))) | (~ordinal(A!14)) | (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.53/0.58      inference(modus_ponens,[status(thm)],[192, 191])).
% 0.53/0.58  tff(194,plain,
% 0.53/0.58      ((~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | in(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.53/0.58      inference(unit_resolution,[status(thm)],[193, 40, 187])).
% 0.53/0.58  tff(195,plain,
% 0.53/0.58      (~proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)),
% 0.53/0.58      inference(unit_resolution,[status(thm)],[194, 161])).
% 0.53/0.58  tff(196,plain,
% 0.53/0.58      ((~(proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) <=> (~((~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14))))) | proper_subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14) | ((~subset(set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))), A!14)) | (set_union2(tptp_fun_B_13(A!14), singleton(tptp_fun_B_13(A!14))) = A!14))),
% 0.53/0.58      inference(tautology,[status(thm)],[])).
% 0.53/0.58  tff(197,plain,
% 0.53/0.58      ($false),
% 0.53/0.58      inference(unit_resolution,[status(thm)],[196, 195, 155, 12])).
% 0.53/0.59  tff(198,plain,(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))), inference(lemma,lemma(discharge,[]))).
% 0.53/0.59  tff(199,plain,
% 0.53/0.59      (((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))) <=> ((~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))) | (~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(200,plain,
% 0.53/0.59      ((~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) <=> (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(201,plain,
% 0.53/0.59      ((being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))) <=> (being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))),
% 0.53/0.59      inference(monotonicity,[status(thm)],[200])).
% 0.53/0.59  tff(202,plain,
% 0.53/0.59      ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) <=> (~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))))),
% 0.53/0.59      inference(monotonicity,[status(thm)],[201])).
% 0.53/0.59  tff(203,plain,
% 0.53/0.59      (((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))) <=> ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))))),
% 0.53/0.59      inference(monotonicity,[status(thm)],[202])).
% 0.53/0.59  tff(204,plain,
% 0.53/0.59      (((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))) <=> ((~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))) | (~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))))),
% 0.53/0.59      inference(transitivity,[status(thm)],[203, 199])).
% 0.53/0.59  tff(205,plain,
% 0.53/0.59      (((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))) <=> ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(206,plain,
% 0.53/0.59      (((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))) <=> ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(207,plain,
% 0.53/0.59      ((ordinal(B!15) & (A!14 = succ(B!15)) & being_limit_ordinal(A!14)) <=> (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(208,plain,
% 0.53/0.59      (((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) <=> (~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(209,plain,
% 0.53/0.59      ((((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (ordinal(B!15) & (A!14 = succ(B!15)) & being_limit_ordinal(A!14))) <=> ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))))),
% 0.53/0.59      inference(monotonicity,[status(thm)],[208, 207])).
% 0.53/0.59  tff(210,plain,
% 0.53/0.59      ((((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (ordinal(B!15) & (A!14 = succ(B!15)) & being_limit_ordinal(A!14))) <=> ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))))),
% 0.53/0.59      inference(transitivity,[status(thm)],[209, 206])).
% 0.53/0.59  tff(211,plain,
% 0.53/0.59      (((~being_limit_ordinal(A!14)) & ![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))) | (ordinal(B!15) & (A!14 = succ(B!15)) & being_limit_ordinal(A!14))),
% 0.53/0.59      inference(and_elim,[status(thm)],[39])).
% 0.53/0.59  tff(212,plain,
% 0.53/0.59      ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[211, 210])).
% 0.53/0.59  tff(213,plain,
% 0.53/0.59      ((~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B))))))) | (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[212, 205])).
% 0.53/0.59  tff(214,plain,
% 0.53/0.59      ((~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))) | (~(being_limit_ordinal(A!14) | (~![B: $i] : ((~ordinal(B)) | (~(A!14 = succ(B)))))))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[213, 204])).
% 0.53/0.59  tff(215,plain,
% 0.53/0.59      (~((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15))))),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[214, 198])).
% 0.53/0.59  tff(216,plain,
% 0.53/0.59      (((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))) | (A!14 = succ(B!15))),
% 0.53/0.59      inference(tautology,[status(thm)],[])).
% 0.53/0.59  tff(217,plain,
% 0.53/0.59      (A!14 = succ(B!15)),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[216, 215])).
% 0.53/0.59  tff(218,plain,
% 0.53/0.59      (succ(B!15) = A!14),
% 0.53/0.59      inference(symmetry,[status(thm)],[217])).
% 0.53/0.59  tff(219,plain,
% 0.53/0.59      (in(succ(B!15), A!14) <=> in(A!14, A!14)),
% 0.53/0.59      inference(monotonicity,[status(thm)],[218])).
% 0.53/0.59  tff(220,plain,
% 0.53/0.59      (in(A!14, A!14) <=> in(succ(B!15), A!14)),
% 0.53/0.59      inference(symmetry,[status(thm)],[219])).
% 0.53/0.59  tff(221,plain,
% 0.53/0.59      ((~in(A!14, A!14)) <=> (~in(succ(B!15), A!14))),
% 0.53/0.59      inference(monotonicity,[status(thm)],[220])).
% 0.53/0.59  tff(222,plain,
% 0.53/0.59      (^[A: $i, B: $i] : refl(((~in(B, A)) | (~in(A, B))) <=> ((~in(B, A)) | (~in(A, B))))),
% 0.53/0.59      inference(bind,[status(th)],[])).
% 0.53/0.59  tff(223,plain,
% 0.53/0.59      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(quant_intro,[status(thm)],[222])).
% 0.53/0.59  tff(224,plain,
% 0.53/0.59      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(225,plain,
% 0.53/0.59      (^[A: $i, B: $i] : rewrite((in(A, B) => (~in(B, A))) <=> ((~in(B, A)) | (~in(A, B))))),
% 0.53/0.59      inference(bind,[status(th)],[])).
% 0.53/0.59  tff(226,plain,
% 0.53/0.59      (![A: $i, B: $i] : (in(A, B) => (~in(B, A))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(quant_intro,[status(thm)],[225])).
% 0.53/0.59  tff(227,axiom,(![A: $i, B: $i] : (in(A, B) => (~in(B, A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','antisymmetry_r2_hidden')).
% 0.53/0.59  tff(228,plain,
% 0.53/0.59      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[227, 226])).
% 0.53/0.59  tff(229,plain,
% 0.53/0.59      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[228, 224])).
% 0.53/0.59  tff(230,plain,(
% 0.53/0.59      ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(skolemize,[status(sab)],[229])).
% 0.53/0.59  tff(231,plain,
% 0.53/0.59      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[230, 223])).
% 0.53/0.59  tff(232,plain,
% 0.53/0.59      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, A!14))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, A!14)))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(233,plain,
% 0.53/0.59      (((~in(A!14, A!14)) | (~in(A!14, A!14))) <=> (~in(A!14, A!14))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(234,plain,
% 0.53/0.59      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!14, A!14)) | (~in(A!14, A!14)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, A!14)))),
% 0.53/0.59      inference(monotonicity,[status(thm)],[233])).
% 0.53/0.59  tff(235,plain,
% 0.53/0.59      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!14, A!14)) | (~in(A!14, A!14)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, A!14)))),
% 0.53/0.59      inference(transitivity,[status(thm)],[234, 232])).
% 0.53/0.59  tff(236,plain,
% 0.53/0.59      ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!14, A!14)) | (~in(A!14, A!14)))),
% 0.53/0.59      inference(quant_inst,[status(thm)],[])).
% 0.53/0.59  tff(237,plain,
% 0.53/0.59      ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!14, A!14))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[236, 235])).
% 0.53/0.59  tff(238,plain,
% 0.53/0.59      (~in(A!14, A!14)),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[237, 231])).
% 0.53/0.59  tff(239,plain,
% 0.53/0.59      (~in(succ(B!15), A!14)),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[238, 221])).
% 0.53/0.59  tff(240,plain,
% 0.53/0.59      (in(B!15, succ(B!15)) <=> in(B!15, A!14)),
% 0.53/0.59      inference(monotonicity,[status(thm)],[218])).
% 0.53/0.59  tff(241,plain,
% 0.53/0.59      (^[A: $i] : refl(in(A, succ(A)) <=> in(A, succ(A)))),
% 0.53/0.59      inference(bind,[status(th)],[])).
% 0.53/0.59  tff(242,plain,
% 0.53/0.59      (![A: $i] : in(A, succ(A)) <=> ![A: $i] : in(A, succ(A))),
% 0.53/0.59      inference(quant_intro,[status(thm)],[241])).
% 0.53/0.59  tff(243,plain,
% 0.53/0.59      (![A: $i] : in(A, succ(A)) <=> ![A: $i] : in(A, succ(A))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(244,axiom,(![A: $i] : in(A, succ(A))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t10_ordinal1')).
% 0.53/0.59  tff(245,plain,
% 0.53/0.59      (![A: $i] : in(A, succ(A))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[244, 243])).
% 0.53/0.59  tff(246,plain,(
% 0.53/0.59      ![A: $i] : in(A, succ(A))),
% 0.53/0.59      inference(skolemize,[status(sab)],[245])).
% 0.53/0.59  tff(247,plain,
% 0.53/0.59      (![A: $i] : in(A, succ(A))),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[246, 242])).
% 0.53/0.59  tff(248,plain,
% 0.53/0.59      ((~![A: $i] : in(A, succ(A))) | in(B!15, succ(B!15))),
% 0.53/0.59      inference(quant_inst,[status(thm)],[])).
% 0.53/0.59  tff(249,plain,
% 0.53/0.59      (in(B!15, succ(B!15))),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[248, 247])).
% 0.53/0.59  tff(250,plain,
% 0.53/0.59      (in(B!15, A!14)),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[249, 240])).
% 0.53/0.59  tff(251,plain,
% 0.53/0.59      (((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))) | being_limit_ordinal(A!14)),
% 0.53/0.59      inference(tautology,[status(thm)],[])).
% 0.53/0.59  tff(252,plain,
% 0.53/0.59      (being_limit_ordinal(A!14)),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[251, 215])).
% 0.53/0.59  tff(253,plain,
% 0.53/0.59      (((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~(being_limit_ordinal(A!14) | (~((~in(tptp_fun_B_13(A!14), A!14)) | in(succ(tptp_fun_B_13(A!14)), A!14) | (~ordinal(tptp_fun_B_13(A!14)))))))) | ((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))),
% 0.53/0.59      inference(tautology,[status(thm)],[])).
% 0.53/0.59  tff(254,plain,
% 0.53/0.59      ((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[253, 63])).
% 0.53/0.59  tff(255,plain,
% 0.53/0.59      ((~((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14)))) | (~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))),
% 0.53/0.59      inference(tautology,[status(thm)],[])).
% 0.53/0.59  tff(256,plain,
% 0.53/0.59      ((~being_limit_ordinal(A!14)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[255, 254])).
% 0.53/0.59  tff(257,plain,
% 0.53/0.59      (![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[256, 252])).
% 0.53/0.59  tff(258,plain,
% 0.53/0.59      (((~being_limit_ordinal(A!14)) | (~ordinal(B!15)) | (~(A!14 = succ(B!15)))) | ordinal(B!15)),
% 0.53/0.59      inference(tautology,[status(thm)],[])).
% 0.53/0.59  tff(259,plain,
% 0.53/0.59      (ordinal(B!15)),
% 0.53/0.59      inference(unit_resolution,[status(thm)],[258, 215])).
% 0.53/0.59  tff(260,plain,
% 0.53/0.59      (((~![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))) | ((~ordinal(B!15)) | (~in(B!15, A!14)) | in(succ(B!15), A!14))) <=> ((~![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))) | (~ordinal(B!15)) | (~in(B!15, A!14)) | in(succ(B!15), A!14))),
% 0.53/0.59      inference(rewrite,[status(thm)],[])).
% 0.53/0.59  tff(261,plain,
% 0.53/0.59      ((~![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))) | ((~ordinal(B!15)) | (~in(B!15, A!14)) | in(succ(B!15), A!14))),
% 0.53/0.59      inference(quant_inst,[status(thm)],[])).
% 0.53/0.59  tff(262,plain,
% 0.53/0.59      ((~![B: $i] : ((~ordinal(B)) | (~in(B, A!14)) | in(succ(B), A!14))) | (~ordinal(B!15)) | (~in(B!15, A!14)) | in(succ(B!15), A!14)),
% 0.53/0.59      inference(modus_ponens,[status(thm)],[261, 260])).
% 0.53/0.59  tff(263,plain,
% 0.53/0.60      ((~in(B!15, A!14)) | in(succ(B!15), A!14)),
% 0.53/0.60      inference(unit_resolution,[status(thm)],[262, 259, 257])).
% 0.53/0.60  tff(264,plain,
% 0.53/0.60      ($false),
% 0.53/0.60      inference(unit_resolution,[status(thm)],[263, 250, 239])).
% 0.53/0.60  % SZS output end Proof
%------------------------------------------------------------------------------