TSTP Solution File: SEU238+3 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SEU238+3 : TPTP v8.1.0. Released v3.2.0.
% 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 0.52s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU238+3 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.34  % Computer : n026.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Sat Sep  3 11:10:39 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 0.19/0.52  % SZS status Theorem
% 0.19/0.52  % SZS output start Proof
% 0.19/0.52  tff(in_type, type, (
% 0.19/0.52     in: ( $i * $i ) > $o)).
% 0.19/0.52  tff(tptp_fun_A_15_type, type, (
% 0.19/0.52     tptp_fun_A_15: $i)).
% 0.19/0.52  tff(succ_type, type, (
% 0.19/0.52     succ: $i > $i)).
% 0.19/0.52  tff(tptp_fun_B_16_type, type, (
% 0.19/0.52     tptp_fun_B_16: $i)).
% 0.19/0.52  tff(ordinal_type, type, (
% 0.19/0.52     ordinal: $i > $o)).
% 0.19/0.52  tff(being_limit_ordinal_type, type, (
% 0.19/0.52     being_limit_ordinal: $i > $o)).
% 0.19/0.52  tff(set_union2_type, type, (
% 0.19/0.52     set_union2: ( $i * $i ) > $i)).
% 0.19/0.52  tff(singleton_type, type, (
% 0.19/0.52     singleton: $i > $i)).
% 0.19/0.52  tff(tptp_fun_B_14_type, type, (
% 0.19/0.52     tptp_fun_B_14: $i > $i)).
% 0.19/0.52  tff(subset_type, type, (
% 0.19/0.52     subset: ( $i * $i ) > $o)).
% 0.19/0.52  tff(proper_subset_type, type, (
% 0.19/0.52     proper_subset: ( $i * $i ) > $o)).
% 0.19/0.52  tff(ordinal_subset_type, type, (
% 0.19/0.52     ordinal_subset: ( $i * $i ) > $o)).
% 0.19/0.52  tff(epsilon_connected_type, type, (
% 0.19/0.52     epsilon_connected: $i > $o)).
% 0.19/0.52  tff(epsilon_transitive_type, type, (
% 0.19/0.52     epsilon_transitive: $i > $o)).
% 0.19/0.52  tff(empty_type, type, (
% 0.19/0.52     empty: $i > $o)).
% 0.19/0.52  tff(1,plain,
% 0.19/0.52      (^[A: $i, B: $i] : refl((proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))) <=> (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(2,plain,
% 0.19/0.52      (![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))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[1])).
% 0.19/0.52  tff(3,plain,
% 0.19/0.52      (^[A: $i, B: $i] : rewrite((proper_subset(A, B) <=> (subset(A, B) & (~(A = B)))) <=> (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B)))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(4,plain,
% 0.19/0.52      (![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))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[3])).
% 0.19/0.52  tff(5,plain,
% 0.19/0.52      (![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))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  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')).
% 0.19/0.52  tff(7,plain,
% 0.19/0.52      (![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[6, 5])).
% 0.19/0.52  tff(8,plain,(
% 0.19/0.52      ![A: $i, B: $i] : (proper_subset(A, B) <=> (subset(A, B) & (~(A = B))))),
% 0.19/0.52      inference(skolemize,[status(sab)],[7])).
% 0.19/0.52  tff(9,plain,
% 0.19/0.52      (![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[8, 4])).
% 0.19/0.52  tff(10,plain,
% 0.19/0.52      (![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[9, 2])).
% 0.19/0.52  tff(11,plain,
% 0.19/0.52      ((~![A: $i, B: $i] : (proper_subset(A, B) <=> (~((~subset(A, B)) | (A = B))))) | (proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> (~((~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15))))),
% 0.19/0.52      inference(quant_inst,[status(thm)],[])).
% 0.19/0.52  tff(12,plain,
% 0.19/0.52      (proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> (~((~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15)))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[11, 10])).
% 0.19/0.52  tff(13,plain,
% 0.19/0.52      (^[A: $i] : refl((succ(A) = set_union2(A, singleton(A))) <=> (succ(A) = set_union2(A, singleton(A))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(14,plain,
% 0.19/0.52      (![A: $i] : (succ(A) = set_union2(A, singleton(A))) <=> ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[13])).
% 0.19/0.52  tff(15,plain,
% 0.19/0.52      (![A: $i] : (succ(A) = set_union2(A, singleton(A))) <=> ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(16,axiom,(![A: $i] : (succ(A) = set_union2(A, singleton(A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','d1_ordinal1')).
% 0.19/0.52  tff(17,plain,
% 0.19/0.52      (![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[16, 15])).
% 0.19/0.52  tff(18,plain,(
% 0.19/0.52      ![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.52      inference(skolemize,[status(sab)],[17])).
% 0.19/0.52  tff(19,plain,
% 0.19/0.52      (![A: $i] : (succ(A) = set_union2(A, singleton(A)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[18, 14])).
% 0.19/0.52  tff(20,plain,
% 0.19/0.52      ((~![A: $i] : (succ(A) = set_union2(A, singleton(A)))) | (succ(tptp_fun_B_14(A!15)) = set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))),
% 0.19/0.52      inference(quant_inst,[status(thm)],[])).
% 0.19/0.52  tff(21,plain,
% 0.19/0.52      (succ(tptp_fun_B_14(A!15)) = set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15)))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[20, 19])).
% 0.19/0.52  tff(22,plain,
% 0.19/0.52      (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = succ(tptp_fun_B_14(A!15))),
% 0.19/0.52      inference(symmetry,[status(thm)],[21])).
% 0.19/0.52  tff(23,plain,
% 0.19/0.52      (ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15)))) <=> ordinal(succ(tptp_fun_B_14(A!15)))),
% 0.19/0.52      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.52  tff(24,plain,
% 0.19/0.52      (ordinal(succ(tptp_fun_B_14(A!15))) <=> ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))),
% 0.19/0.52      inference(symmetry,[status(thm)],[23])).
% 0.19/0.52  tff(25,assumption,(~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))), introduced(assumption)).
% 0.19/0.52  tff(26,plain,
% 0.19/0.52      ((being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))) | (~being_limit_ordinal(A!15))),
% 0.19/0.52      inference(tautology,[status(thm)],[])).
% 0.19/0.52  tff(27,plain,
% 0.19/0.52      (~being_limit_ordinal(A!15)),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[26, 25])).
% 0.19/0.52  tff(28,plain,
% 0.19/0.52      (((~(~ordinal(A!15))) & (((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | ((ordinal(B!16) & (A!15 = succ(B!16))) & being_limit_ordinal(A!15)))) <=> (ordinal(A!15) & (((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (ordinal(B!16) & (A!15 = succ(B!16)) & being_limit_ordinal(A!15))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(29,plain,
% 0.19/0.52      ((~![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))))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(30,plain,
% 0.19/0.52      ((~![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))))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  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')).
% 0.19/0.52  tff(32,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[31, 30])).
% 0.19/0.52  tff(33,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[32, 29])).
% 0.19/0.52  tff(34,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[33, 29])).
% 0.19/0.52  tff(35,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[34, 29])).
% 0.19/0.52  tff(36,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[35, 29])).
% 0.19/0.52  tff(37,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[36, 29])).
% 0.19/0.52  tff(38,plain,
% 0.19/0.52      (~![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)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[37, 29])).
% 0.19/0.52  tff(39,plain,
% 0.19/0.52      (ordinal(A!15) & (((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (ordinal(B!16) & (A!15 = succ(B!16)) & being_limit_ordinal(A!15)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[38, 28])).
% 0.19/0.52  tff(40,plain,
% 0.19/0.52      (ordinal(A!15)),
% 0.19/0.52      inference(and_elim,[status(thm)],[39])).
% 0.19/0.52  tff(41,plain,
% 0.19/0.52      (^[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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A)))))))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(42,plain,
% 0.19/0.52      (![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[41])).
% 0.19/0.52  tff(43,plain,
% 0.19/0.52      (^[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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A)))))))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(44,plain,
% 0.19/0.52      (![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[43])).
% 0.19/0.52  tff(45,plain,
% 0.19/0.52      (![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))),
% 0.19/0.52      inference(transitivity,[status(thm)],[44, 42])).
% 0.19/0.52  tff(46,plain,
% 0.19/0.52      (^[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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A)))))))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(47,plain,
% 0.19/0.52      (![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[46])).
% 0.19/0.52  tff(48,plain,
% 0.19/0.52      (![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)))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(49,plain,
% 0.19/0.52      (^[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)))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(50,plain,
% 0.19/0.52      (![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)))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[49])).
% 0.19/0.52  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')).
% 0.19/0.52  tff(52,plain,
% 0.19/0.52      (![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[51, 50])).
% 0.19/0.52  tff(53,plain,
% 0.19/0.52      (![A: $i] : ((~ordinal(A)) | (being_limit_ordinal(A) <=> ![B: $i] : ((~in(B, A)) | in(succ(B), A) | (~ordinal(B)))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[52, 48])).
% 0.19/0.52  tff(54,plain,(
% 0.19/0.52      ![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))),
% 0.19/0.52      inference(skolemize,[status(sab)],[53])).
% 0.19/0.52  tff(55,plain,
% 0.19/0.52      (![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[54, 47])).
% 0.19/0.52  tff(56,plain,
% 0.19/0.52      (![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[55, 45])).
% 0.19/0.52  tff(57,plain,
% 0.19/0.52      (((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | ((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))) <=> ((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | (~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(58,plain,
% 0.19/0.52      (((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~in(B, A!15)) | in(succ(B), A!15) | (~ordinal(B))))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))))))) <=> ((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(59,plain,
% 0.19/0.52      (((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | ((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~in(B, A!15)) | in(succ(B), A!15) | (~ordinal(B))))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))) <=> ((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | ((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))))))))),
% 0.19/0.52      inference(monotonicity,[status(thm)],[58])).
% 0.19/0.52  tff(60,plain,
% 0.19/0.52      (((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | ((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~in(B, A!15)) | in(succ(B), A!15) | (~ordinal(B))))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))) <=> ((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | (~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))),
% 0.19/0.52      inference(transitivity,[status(thm)],[59, 57])).
% 0.19/0.52  tff(61,plain,
% 0.19/0.52      ((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | ((~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~in(B, A!15)) | in(succ(B), A!15) | (~ordinal(B))))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))))),
% 0.19/0.52      inference(quant_inst,[status(thm)],[])).
% 0.19/0.52  tff(62,plain,
% 0.19/0.52      ((~![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_14(A), A)) | in(succ(tptp_fun_B_14(A)), A) | (~ordinal(tptp_fun_B_14(A))))))))))) | (~ordinal(A!15)) | (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[61, 60])).
% 0.19/0.52  tff(63,plain,
% 0.19/0.52      (~((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[62, 56, 40])).
% 0.19/0.52  tff(64,plain,
% 0.19/0.52      (((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))))) | (being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))),
% 0.19/0.52      inference(tautology,[status(thm)],[])).
% 0.19/0.52  tff(65,plain,
% 0.19/0.52      (being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[64, 63])).
% 0.19/0.52  tff(66,plain,
% 0.19/0.52      ((~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))))) | being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))),
% 0.19/0.52      inference(tautology,[status(thm)],[])).
% 0.19/0.52  tff(67,plain,
% 0.19/0.52      (being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[66, 65])).
% 0.19/0.52  tff(68,plain,
% 0.19/0.52      (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15))))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[67, 27])).
% 0.19/0.52  tff(69,plain,
% 0.19/0.52      (((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))) | ordinal(tptp_fun_B_14(A!15))),
% 0.19/0.52      inference(tautology,[status(thm)],[])).
% 0.19/0.52  tff(70,plain,
% 0.19/0.52      (ordinal(tptp_fun_B_14(A!15))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[69, 68])).
% 0.19/0.52  tff(71,plain,
% 0.19/0.52      (^[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)))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(72,plain,
% 0.19/0.52      (![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))))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[71])).
% 0.19/0.52  tff(73,plain,
% 0.19/0.52      (^[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)))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(74,plain,
% 0.19/0.52      (![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))))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[73])).
% 0.19/0.52  tff(75,plain,
% 0.19/0.52      (![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))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(76,plain,
% 0.19/0.52      (^[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))))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(77,plain,
% 0.19/0.52      (![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))))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[76])).
% 0.19/0.52  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')).
% 0.19/0.52  tff(79,plain,
% 0.19/0.52      (![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[78, 77])).
% 0.19/0.52  tff(80,plain,
% 0.19/0.52      (![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[79, 75])).
% 0.19/0.52  tff(81,plain,(
% 0.19/0.52      ![A: $i] : ((~ordinal(A)) | ((~empty(succ(A))) & epsilon_transitive(succ(A)) & epsilon_connected(succ(A)) & ordinal(succ(A))))),
% 0.19/0.52      inference(skolemize,[status(sab)],[80])).
% 0.19/0.52  tff(82,plain,
% 0.19/0.52      (![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[81, 74])).
% 0.19/0.52  tff(83,plain,
% 0.19/0.52      (![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[82, 72])).
% 0.19/0.52  tff(84,plain,
% 0.19/0.52      (((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | ((~ordinal(tptp_fun_B_14(A!15))) | (~(empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15)))))))) <=> ((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | (~ordinal(tptp_fun_B_14(A!15))) | (~(empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15)))))))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(85,plain,
% 0.19/0.52      ((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | ((~ordinal(tptp_fun_B_14(A!15))) | (~(empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15)))))))),
% 0.19/0.52      inference(quant_inst,[status(thm)],[])).
% 0.19/0.52  tff(86,plain,
% 0.19/0.52      ((~![A: $i] : ((~ordinal(A)) | (~(empty(succ(A)) | (~epsilon_transitive(succ(A))) | (~epsilon_connected(succ(A))) | (~ordinal(succ(A))))))) | (~ordinal(tptp_fun_B_14(A!15))) | (~(empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15))))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[85, 84])).
% 0.19/0.52  tff(87,plain,
% 0.19/0.52      (~(empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15)))))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[86, 83, 70])).
% 0.19/0.52  tff(88,plain,
% 0.19/0.52      ((empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15))))) | ordinal(succ(tptp_fun_B_14(A!15)))),
% 0.19/0.52      inference(tautology,[status(thm)],[])).
% 0.19/0.52  tff(89,plain,
% 0.19/0.52      (ordinal(succ(tptp_fun_B_14(A!15)))),
% 0.19/0.52      inference(unit_resolution,[status(thm)],[88, 87])).
% 0.19/0.52  tff(90,plain,
% 0.19/0.52      (ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[89, 24])).
% 0.19/0.52  tff(91,plain,
% 0.19/0.52      (^[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))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(92,plain,
% 0.19/0.52      (![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)))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[91])).
% 0.19/0.52  tff(93,plain,
% 0.19/0.52      (^[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)))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(94,plain,
% 0.19/0.52      (![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)))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[93])).
% 0.19/0.52  tff(95,plain,
% 0.19/0.52      (![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)))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(96,plain,
% 0.19/0.52      (^[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))))),
% 0.19/0.52      inference(bind,[status(th)],[])).
% 0.19/0.52  tff(97,plain,
% 0.19/0.52      (![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)))),
% 0.19/0.52      inference(quant_intro,[status(thm)],[96])).
% 0.19/0.52  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')).
% 0.19/0.52  tff(99,plain,
% 0.19/0.52      (![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[98, 97])).
% 0.19/0.52  tff(100,plain,
% 0.19/0.52      (![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[99, 95])).
% 0.19/0.52  tff(101,plain,(
% 0.19/0.52      ![A: $i, B: $i] : ((~(ordinal(A) & ordinal(B))) | (ordinal_subset(A, B) <=> subset(A, B)))),
% 0.19/0.52      inference(skolemize,[status(sab)],[100])).
% 0.19/0.52  tff(102,plain,
% 0.19/0.52      (![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[101, 94])).
% 0.19/0.52  tff(103,plain,
% 0.19/0.52      (![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))),
% 0.19/0.52      inference(modus_ponens,[status(thm)],[102, 92])).
% 0.19/0.52  tff(104,plain,
% 0.19/0.52      (((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))) <=> ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(105,plain,
% 0.19/0.52      (((ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15)))))) <=> ((~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))),
% 0.19/0.52      inference(rewrite,[status(thm)],[])).
% 0.19/0.52  tff(106,plain,
% 0.19/0.52      (((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))))) <=> ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))))),
% 0.19/0.52      inference(monotonicity,[status(thm)],[105])).
% 0.19/0.52  tff(107,plain,
% 0.19/0.52      (((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))))) <=> ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))),
% 0.19/0.53      inference(transitivity,[status(thm)],[106, 104])).
% 0.19/0.53  tff(108,plain,
% 0.19/0.53      ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | ((ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))))),
% 0.19/0.53      inference(quant_inst,[status(thm)],[])).
% 0.19/0.53  tff(109,plain,
% 0.19/0.53      ((~![A: $i, B: $i] : ((ordinal_subset(A, B) <=> subset(A, B)) | (~ordinal(B)) | (~ordinal(A)))) | (~ordinal(A!15)) | (~ordinal(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[108, 107])).
% 0.19/0.53  tff(110,plain,
% 0.19/0.53      (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[109, 103, 40, 90])).
% 0.19/0.53  tff(111,plain,
% 0.19/0.53      (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.53  tff(112,plain,
% 0.19/0.53      (ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15) <=> ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(symmetry,[status(thm)],[111])).
% 0.19/0.53  tff(113,plain,
% 0.19/0.53      (^[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)))))),
% 0.19/0.53      inference(bind,[status(th)],[])).
% 0.19/0.53  tff(114,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(quant_intro,[status(thm)],[113])).
% 0.19/0.53  tff(115,plain,
% 0.19/0.53      (^[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)))))),
% 0.19/0.53      inference(bind,[status(th)],[])).
% 0.19/0.53  tff(116,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(quant_intro,[status(thm)],[115])).
% 0.19/0.53  tff(117,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(transitivity,[status(thm)],[116, 114])).
% 0.19/0.53  tff(118,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(119,plain,
% 0.19/0.53      (^[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))))))),
% 0.19/0.53      inference(bind,[status(th)],[])).
% 0.19/0.53  tff(120,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(quant_intro,[status(thm)],[119])).
% 0.19/0.53  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')).
% 0.19/0.53  tff(122,plain,
% 0.19/0.53      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[121, 120])).
% 0.19/0.53  tff(123,plain,
% 0.19/0.53      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[122, 118])).
% 0.19/0.53  tff(124,plain,(
% 0.19/0.53      ![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.53      inference(skolemize,[status(sab)],[123])).
% 0.19/0.53  tff(125,plain,
% 0.19/0.53      (![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[124, 117])).
% 0.19/0.53  tff(126,plain,
% 0.19/0.53      (((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | ((~ordinal(tptp_fun_B_14(A!15))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B))))) <=> ((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | (~ordinal(tptp_fun_B_14(A!15))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B))))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(127,plain,
% 0.19/0.53      ((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | ((~ordinal(tptp_fun_B_14(A!15))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B))))),
% 0.19/0.53      inference(quant_inst,[status(thm)],[])).
% 0.19/0.53  tff(128,plain,
% 0.19/0.53      ((~![A: $i] : ((~ordinal(A)) | ![B: $i] : ((~ordinal(B)) | (in(A, B) <=> ordinal_subset(succ(A), B))))) | (~ordinal(tptp_fun_B_14(A!15))) | ![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B)))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[127, 126])).
% 0.19/0.53  tff(129,plain,
% 0.19/0.53      (![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B)))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[128, 125, 70])).
% 0.19/0.53  tff(130,plain,
% 0.19/0.53      (((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B)))) | ((~ordinal(A!15)) | (in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)))) <=> ((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B)))) | (~ordinal(A!15)) | (in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(131,plain,
% 0.19/0.53      ((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B)))) | ((~ordinal(A!15)) | (in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)))),
% 0.19/0.53      inference(quant_inst,[status(thm)],[])).
% 0.19/0.53  tff(132,plain,
% 0.19/0.53      ((~![B: $i] : ((~ordinal(B)) | (in(tptp_fun_B_14(A!15), B) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), B)))) | (~ordinal(A!15)) | (in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[131, 130])).
% 0.19/0.53  tff(133,plain,
% 0.19/0.53      (in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[132, 40, 129])).
% 0.19/0.53  tff(134,plain,
% 0.19/0.53      (((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))) | in(tptp_fun_B_14(A!15), A!15)),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(135,plain,
% 0.19/0.53      (in(tptp_fun_B_14(A!15), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[134, 68])).
% 0.19/0.53  tff(136,plain,
% 0.19/0.53      ((~(in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15))) | (~in(tptp_fun_B_14(A!15), A!15)) | ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(137,plain,
% 0.19/0.53      ((~(in(tptp_fun_B_14(A!15), A!15) <=> ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15))) | ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[136, 135])).
% 0.19/0.53  tff(138,plain,
% 0.19/0.53      (ordinal_subset(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[137, 133])).
% 0.19/0.53  tff(139,plain,
% 0.19/0.53      (ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[138, 112])).
% 0.19/0.53  tff(140,plain,
% 0.19/0.53      ((~(ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))) | (~ordinal_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(141,plain,
% 0.19/0.53      (subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[140, 139, 110])).
% 0.19/0.53  tff(142,plain,
% 0.19/0.53      ((succ(tptp_fun_B_14(A!15)) = A!15) <=> (A!15 = succ(tptp_fun_B_14(A!15)))),
% 0.19/0.53      inference(commutativity,[status(thm)],[])).
% 0.19/0.53  tff(143,plain,
% 0.19/0.53      ((set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15) <=> (succ(tptp_fun_B_14(A!15)) = A!15)),
% 0.19/0.53      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.53  tff(144,plain,
% 0.19/0.53      ((set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15) <=> (A!15 = succ(tptp_fun_B_14(A!15)))),
% 0.19/0.53      inference(transitivity,[status(thm)],[143, 142])).
% 0.19/0.53  tff(145,plain,
% 0.19/0.53      ((A!15 = succ(tptp_fun_B_14(A!15))) <=> (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15)),
% 0.19/0.53      inference(symmetry,[status(thm)],[144])).
% 0.19/0.53  tff(146,plain,
% 0.19/0.53      ((~(A!15 = succ(tptp_fun_B_14(A!15)))) <=> (~(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15))),
% 0.19/0.53      inference(monotonicity,[status(thm)],[145])).
% 0.19/0.53  tff(147,plain,
% 0.19/0.53      ((being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))) | ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(148,plain,
% 0.19/0.53      (![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[147, 25])).
% 0.19/0.53  tff(149,plain,
% 0.19/0.53      (((~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | ((~ordinal(tptp_fun_B_14(A!15))) | (~(A!15 = succ(tptp_fun_B_14(A!15)))))) <=> ((~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (~ordinal(tptp_fun_B_14(A!15))) | (~(A!15 = succ(tptp_fun_B_14(A!15)))))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(150,plain,
% 0.19/0.53      ((~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | ((~ordinal(tptp_fun_B_14(A!15))) | (~(A!15 = succ(tptp_fun_B_14(A!15)))))),
% 0.19/0.53      inference(quant_inst,[status(thm)],[])).
% 0.19/0.53  tff(151,plain,
% 0.19/0.53      ((~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (~ordinal(tptp_fun_B_14(A!15))) | (~(A!15 = succ(tptp_fun_B_14(A!15))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[150, 149])).
% 0.19/0.53  tff(152,plain,
% 0.19/0.53      (~(A!15 = succ(tptp_fun_B_14(A!15)))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[151, 148, 70])).
% 0.19/0.53  tff(153,plain,
% 0.19/0.53      (~(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15)),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[152, 146])).
% 0.19/0.53  tff(154,plain,
% 0.19/0.53      ((~((~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15))) | (~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15)),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(155,plain,
% 0.19/0.53      (~((~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[154, 153, 141])).
% 0.19/0.53  tff(156,plain,
% 0.19/0.53      (in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> in(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.53  tff(157,plain,
% 0.19/0.53      (in(succ(tptp_fun_B_14(A!15)), A!15) <=> in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(symmetry,[status(thm)],[156])).
% 0.19/0.53  tff(158,plain,
% 0.19/0.53      ((~in(succ(tptp_fun_B_14(A!15)), A!15)) <=> (~in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))),
% 0.19/0.53      inference(monotonicity,[status(thm)],[157])).
% 0.19/0.53  tff(159,plain,
% 0.19/0.53      (((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))) | (~in(succ(tptp_fun_B_14(A!15)), A!15))),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(160,plain,
% 0.19/0.53      (~in(succ(tptp_fun_B_14(A!15)), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[159, 68])).
% 0.19/0.53  tff(161,plain,
% 0.19/0.53      (~in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[160, 158])).
% 0.19/0.53  tff(162,plain,
% 0.19/0.53      (epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15)))) <=> epsilon_transitive(succ(tptp_fun_B_14(A!15)))),
% 0.19/0.53      inference(monotonicity,[status(thm)],[22])).
% 0.19/0.53  tff(163,plain,
% 0.19/0.53      (epsilon_transitive(succ(tptp_fun_B_14(A!15))) <=> epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))),
% 0.19/0.53      inference(symmetry,[status(thm)],[162])).
% 0.19/0.53  tff(164,plain,
% 0.19/0.53      ((empty(succ(tptp_fun_B_14(A!15))) | (~epsilon_transitive(succ(tptp_fun_B_14(A!15)))) | (~epsilon_connected(succ(tptp_fun_B_14(A!15)))) | (~ordinal(succ(tptp_fun_B_14(A!15))))) | epsilon_transitive(succ(tptp_fun_B_14(A!15)))),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(165,plain,
% 0.19/0.53      (epsilon_transitive(succ(tptp_fun_B_14(A!15)))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[164, 87])).
% 0.19/0.53  tff(166,plain,
% 0.19/0.53      (epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[165, 163])).
% 0.19/0.53  tff(167,plain,
% 0.19/0.53      (^[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)))))),
% 0.19/0.53      inference(bind,[status(th)],[])).
% 0.19/0.53  tff(168,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(quant_intro,[status(thm)],[167])).
% 0.19/0.53  tff(169,plain,
% 0.19/0.53      (^[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)))))),
% 0.19/0.53      inference(bind,[status(th)],[])).
% 0.19/0.53  tff(170,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(quant_intro,[status(thm)],[169])).
% 0.19/0.53  tff(171,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(transitivity,[status(thm)],[170, 168])).
% 0.19/0.53  tff(172,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(173,plain,
% 0.19/0.53      (^[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))))))),
% 0.19/0.53      inference(bind,[status(th)],[])).
% 0.19/0.53  tff(174,plain,
% 0.19/0.53      (![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))))),
% 0.19/0.53      inference(quant_intro,[status(thm)],[173])).
% 0.19/0.53  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')).
% 0.19/0.53  tff(176,plain,
% 0.19/0.53      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[175, 174])).
% 0.19/0.53  tff(177,plain,
% 0.19/0.53      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[176, 172])).
% 0.19/0.53  tff(178,plain,(
% 0.19/0.53      ![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.53      inference(skolemize,[status(sab)],[177])).
% 0.19/0.53  tff(179,plain,
% 0.19/0.53      (![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[178, 171])).
% 0.19/0.53  tff(180,plain,
% 0.19/0.53      (((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B))))) <=> ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | (~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B))))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(181,plain,
% 0.19/0.53      (((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : (in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)) | (~ordinal(B)))) <=> ((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B))))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(182,plain,
% 0.19/0.53      (((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : (in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), 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_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))))),
% 0.19/0.53      inference(monotonicity,[status(thm)],[181])).
% 0.19/0.53  tff(183,plain,
% 0.19/0.53      (((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : (in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), 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_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B))))),
% 0.19/0.53      inference(transitivity,[status(thm)],[182, 180])).
% 0.19/0.53  tff(184,plain,
% 0.19/0.53      ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | ((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : (in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)) | (~ordinal(B))))),
% 0.19/0.53      inference(quant_inst,[status(thm)],[])).
% 0.19/0.53  tff(185,plain,
% 0.19/0.53      ((~![A: $i] : ((~epsilon_transitive(A)) | ![B: $i] : (in(A, B) | (~proper_subset(A, B)) | (~ordinal(B))))) | (~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[184, 183])).
% 0.19/0.53  tff(186,plain,
% 0.19/0.53      ((~epsilon_transitive(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))))) | ![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[185, 179])).
% 0.19/0.53  tff(187,plain,
% 0.19/0.53      (![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[186, 166])).
% 0.19/0.53  tff(188,plain,
% 0.19/0.53      (((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | ((~ordinal(A!15)) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))) <=> ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | (~ordinal(A!15)) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(189,plain,
% 0.19/0.53      (((~ordinal(A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))) <=> ((~ordinal(A!15)) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))),
% 0.19/0.53      inference(rewrite,[status(thm)],[])).
% 0.19/0.53  tff(190,plain,
% 0.19/0.53      (((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | ((~ordinal(A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))) <=> ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | ((~ordinal(A!15)) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))),
% 0.19/0.53      inference(monotonicity,[status(thm)],[189])).
% 0.19/0.53  tff(191,plain,
% 0.19/0.53      (((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | ((~ordinal(A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))) <=> ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | (~ordinal(A!15)) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15))),
% 0.19/0.53      inference(transitivity,[status(thm)],[190, 188])).
% 0.19/0.53  tff(192,plain,
% 0.19/0.53      ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | ((~ordinal(A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)))),
% 0.19/0.53      inference(quant_inst,[status(thm)],[])).
% 0.19/0.53  tff(193,plain,
% 0.19/0.53      ((~![B: $i] : ((~ordinal(B)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), B)))) | (~ordinal(A!15)) | (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(modus_ponens,[status(thm)],[192, 191])).
% 0.19/0.53  tff(194,plain,
% 0.19/0.53      ((~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | in(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[193, 40, 187])).
% 0.19/0.53  tff(195,plain,
% 0.19/0.53      (~proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[194, 161])).
% 0.19/0.53  tff(196,plain,
% 0.19/0.53      ((~(proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) <=> (~((~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15))))) | proper_subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15) | ((~subset(set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))), A!15)) | (set_union2(tptp_fun_B_14(A!15), singleton(tptp_fun_B_14(A!15))) = A!15))),
% 0.19/0.53      inference(tautology,[status(thm)],[])).
% 0.19/0.53  tff(197,plain,
% 0.19/0.53      ($false),
% 0.19/0.53      inference(unit_resolution,[status(thm)],[196, 195, 155, 12])).
% 0.19/0.54  tff(198,plain,(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.54  tff(199,plain,
% 0.19/0.54      (((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))) <=> ((~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))) | (~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(200,plain,
% 0.19/0.54      ((~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) <=> (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(201,plain,
% 0.19/0.54      ((being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))) <=> (being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))),
% 0.19/0.54      inference(monotonicity,[status(thm)],[200])).
% 0.19/0.54  tff(202,plain,
% 0.19/0.54      ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) <=> (~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))))),
% 0.19/0.54      inference(monotonicity,[status(thm)],[201])).
% 0.19/0.54  tff(203,plain,
% 0.19/0.54      (((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))) <=> ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))))),
% 0.19/0.54      inference(monotonicity,[status(thm)],[202])).
% 0.19/0.54  tff(204,plain,
% 0.19/0.54      (((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))) <=> ((~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))) | (~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))))),
% 0.19/0.54      inference(transitivity,[status(thm)],[203, 199])).
% 0.19/0.54  tff(205,plain,
% 0.19/0.54      (((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))) <=> ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(206,plain,
% 0.19/0.54      (((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))) <=> ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(207,plain,
% 0.19/0.54      ((ordinal(B!16) & (A!15 = succ(B!16)) & being_limit_ordinal(A!15)) <=> (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(208,plain,
% 0.19/0.54      (((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) <=> (~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(209,plain,
% 0.19/0.54      ((((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (ordinal(B!16) & (A!15 = succ(B!16)) & being_limit_ordinal(A!15))) <=> ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))))),
% 0.19/0.54      inference(monotonicity,[status(thm)],[208, 207])).
% 0.19/0.54  tff(210,plain,
% 0.19/0.54      ((((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (ordinal(B!16) & (A!15 = succ(B!16)) & being_limit_ordinal(A!15))) <=> ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))))),
% 0.19/0.54      inference(transitivity,[status(thm)],[209, 206])).
% 0.19/0.54  tff(211,plain,
% 0.19/0.54      (((~being_limit_ordinal(A!15)) & ![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))) | (ordinal(B!16) & (A!15 = succ(B!16)) & being_limit_ordinal(A!15))),
% 0.19/0.54      inference(and_elim,[status(thm)],[39])).
% 0.19/0.54  tff(212,plain,
% 0.19/0.54      ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[211, 210])).
% 0.19/0.54  tff(213,plain,
% 0.19/0.54      ((~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B))))))) | (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[212, 205])).
% 0.19/0.54  tff(214,plain,
% 0.19/0.54      ((~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))) | (~(being_limit_ordinal(A!15) | (~![B: $i] : ((~ordinal(B)) | (~(A!15 = succ(B)))))))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[213, 204])).
% 0.19/0.54  tff(215,plain,
% 0.19/0.54      (~((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16))))),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[214, 198])).
% 0.19/0.54  tff(216,plain,
% 0.19/0.54      (((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))) | (A!15 = succ(B!16))),
% 0.19/0.54      inference(tautology,[status(thm)],[])).
% 0.19/0.54  tff(217,plain,
% 0.19/0.54      (A!15 = succ(B!16)),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[216, 215])).
% 0.19/0.54  tff(218,plain,
% 0.19/0.54      (succ(B!16) = A!15),
% 0.19/0.54      inference(symmetry,[status(thm)],[217])).
% 0.19/0.54  tff(219,plain,
% 0.19/0.54      (in(succ(B!16), A!15) <=> in(A!15, A!15)),
% 0.19/0.54      inference(monotonicity,[status(thm)],[218])).
% 0.19/0.54  tff(220,plain,
% 0.19/0.54      (in(A!15, A!15) <=> in(succ(B!16), A!15)),
% 0.19/0.54      inference(symmetry,[status(thm)],[219])).
% 0.19/0.54  tff(221,plain,
% 0.19/0.54      ((~in(A!15, A!15)) <=> (~in(succ(B!16), A!15))),
% 0.19/0.54      inference(monotonicity,[status(thm)],[220])).
% 0.19/0.54  tff(222,plain,
% 0.19/0.54      (^[A: $i, B: $i] : refl(((~in(B, A)) | (~in(A, B))) <=> ((~in(B, A)) | (~in(A, B))))),
% 0.19/0.54      inference(bind,[status(th)],[])).
% 0.19/0.54  tff(223,plain,
% 0.19/0.54      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(quant_intro,[status(thm)],[222])).
% 0.19/0.54  tff(224,plain,
% 0.19/0.54      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(225,plain,
% 0.19/0.54      (^[A: $i, B: $i] : rewrite((in(A, B) => (~in(B, A))) <=> ((~in(B, A)) | (~in(A, B))))),
% 0.19/0.54      inference(bind,[status(th)],[])).
% 0.19/0.54  tff(226,plain,
% 0.19/0.54      (![A: $i, B: $i] : (in(A, B) => (~in(B, A))) <=> ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(quant_intro,[status(thm)],[225])).
% 0.19/0.54  tff(227,axiom,(![A: $i, B: $i] : (in(A, B) => (~in(B, A)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','antisymmetry_r2_hidden')).
% 0.19/0.54  tff(228,plain,
% 0.19/0.54      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[227, 226])).
% 0.19/0.54  tff(229,plain,
% 0.19/0.54      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[228, 224])).
% 0.19/0.54  tff(230,plain,(
% 0.19/0.54      ![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(skolemize,[status(sab)],[229])).
% 0.19/0.54  tff(231,plain,
% 0.19/0.54      (![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[230, 223])).
% 0.19/0.54  tff(232,plain,
% 0.19/0.54      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!15, A!15))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!15, A!15)))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(233,plain,
% 0.19/0.54      (((~in(A!15, A!15)) | (~in(A!15, A!15))) <=> (~in(A!15, A!15))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(234,plain,
% 0.19/0.54      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!15, A!15)) | (~in(A!15, A!15)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!15, A!15)))),
% 0.19/0.54      inference(monotonicity,[status(thm)],[233])).
% 0.19/0.54  tff(235,plain,
% 0.19/0.54      (((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!15, A!15)) | (~in(A!15, A!15)))) <=> ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!15, A!15)))),
% 0.19/0.54      inference(transitivity,[status(thm)],[234, 232])).
% 0.19/0.54  tff(236,plain,
% 0.19/0.54      ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | ((~in(A!15, A!15)) | (~in(A!15, A!15)))),
% 0.19/0.54      inference(quant_inst,[status(thm)],[])).
% 0.19/0.54  tff(237,plain,
% 0.19/0.54      ((~![A: $i, B: $i] : ((~in(B, A)) | (~in(A, B)))) | (~in(A!15, A!15))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[236, 235])).
% 0.19/0.54  tff(238,plain,
% 0.19/0.54      (~in(A!15, A!15)),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[237, 231])).
% 0.19/0.54  tff(239,plain,
% 0.19/0.54      (~in(succ(B!16), A!15)),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[238, 221])).
% 0.19/0.54  tff(240,plain,
% 0.19/0.54      (in(B!16, succ(B!16)) <=> in(B!16, A!15)),
% 0.19/0.54      inference(monotonicity,[status(thm)],[218])).
% 0.19/0.54  tff(241,plain,
% 0.19/0.54      (^[A: $i] : refl(in(A, succ(A)) <=> in(A, succ(A)))),
% 0.19/0.54      inference(bind,[status(th)],[])).
% 0.19/0.54  tff(242,plain,
% 0.19/0.54      (![A: $i] : in(A, succ(A)) <=> ![A: $i] : in(A, succ(A))),
% 0.19/0.54      inference(quant_intro,[status(thm)],[241])).
% 0.19/0.54  tff(243,plain,
% 0.19/0.54      (![A: $i] : in(A, succ(A)) <=> ![A: $i] : in(A, succ(A))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(244,axiom,(![A: $i] : in(A, succ(A))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','t10_ordinal1')).
% 0.19/0.54  tff(245,plain,
% 0.19/0.54      (![A: $i] : in(A, succ(A))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[244, 243])).
% 0.19/0.54  tff(246,plain,(
% 0.19/0.54      ![A: $i] : in(A, succ(A))),
% 0.19/0.54      inference(skolemize,[status(sab)],[245])).
% 0.19/0.54  tff(247,plain,
% 0.19/0.54      (![A: $i] : in(A, succ(A))),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[246, 242])).
% 0.19/0.54  tff(248,plain,
% 0.19/0.54      ((~![A: $i] : in(A, succ(A))) | in(B!16, succ(B!16))),
% 0.19/0.54      inference(quant_inst,[status(thm)],[])).
% 0.19/0.54  tff(249,plain,
% 0.19/0.54      (in(B!16, succ(B!16))),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[248, 247])).
% 0.19/0.54  tff(250,plain,
% 0.19/0.54      (in(B!16, A!15)),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[249, 240])).
% 0.19/0.54  tff(251,plain,
% 0.19/0.54      (((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))) | being_limit_ordinal(A!15)),
% 0.19/0.54      inference(tautology,[status(thm)],[])).
% 0.19/0.54  tff(252,plain,
% 0.19/0.54      (being_limit_ordinal(A!15)),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[251, 215])).
% 0.19/0.54  tff(253,plain,
% 0.19/0.54      (((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~(being_limit_ordinal(A!15) | (~((~in(tptp_fun_B_14(A!15), A!15)) | in(succ(tptp_fun_B_14(A!15)), A!15) | (~ordinal(tptp_fun_B_14(A!15)))))))) | ((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))),
% 0.19/0.54      inference(tautology,[status(thm)],[])).
% 0.19/0.54  tff(254,plain,
% 0.19/0.54      ((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[253, 63])).
% 0.19/0.54  tff(255,plain,
% 0.19/0.54      ((~((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15)))) | (~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))),
% 0.19/0.54      inference(tautology,[status(thm)],[])).
% 0.19/0.54  tff(256,plain,
% 0.19/0.54      ((~being_limit_ordinal(A!15)) | ![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[255, 254])).
% 0.19/0.54  tff(257,plain,
% 0.19/0.54      (![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[256, 252])).
% 0.19/0.54  tff(258,plain,
% 0.19/0.54      (((~being_limit_ordinal(A!15)) | (~ordinal(B!16)) | (~(A!15 = succ(B!16)))) | ordinal(B!16)),
% 0.19/0.54      inference(tautology,[status(thm)],[])).
% 0.19/0.54  tff(259,plain,
% 0.19/0.54      (ordinal(B!16)),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[258, 215])).
% 0.19/0.54  tff(260,plain,
% 0.19/0.54      (((~![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))) | ((~ordinal(B!16)) | (~in(B!16, A!15)) | in(succ(B!16), A!15))) <=> ((~![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))) | (~ordinal(B!16)) | (~in(B!16, A!15)) | in(succ(B!16), A!15))),
% 0.19/0.54      inference(rewrite,[status(thm)],[])).
% 0.19/0.54  tff(261,plain,
% 0.19/0.54      ((~![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))) | ((~ordinal(B!16)) | (~in(B!16, A!15)) | in(succ(B!16), A!15))),
% 0.19/0.54      inference(quant_inst,[status(thm)],[])).
% 0.19/0.54  tff(262,plain,
% 0.19/0.54      ((~![B: $i] : ((~ordinal(B)) | (~in(B, A!15)) | in(succ(B), A!15))) | (~ordinal(B!16)) | (~in(B!16, A!15)) | in(succ(B!16), A!15)),
% 0.19/0.54      inference(modus_ponens,[status(thm)],[261, 260])).
% 0.19/0.54  tff(263,plain,
% 0.19/0.54      ((~in(B!16, A!15)) | in(succ(B!16), A!15)),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[262, 259, 257])).
% 0.19/0.54  tff(264,plain,
% 0.19/0.54      ($false),
% 0.19/0.54      inference(unit_resolution,[status(thm)],[263, 250, 239])).
% 0.19/0.54  % SZS output end Proof
%------------------------------------------------------------------------------