TSTP Solution File: SET695+4 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET695+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n022.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 20 05:07:39 EDT 2022

% Result   : Theorem 22.67s 14.74s
% Output   : Proof 22.67s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET695+4 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n022.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 07:23:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.33  Usage: tptp [options] [-file:]file
% 0.12/0.33    -h, -?       prints this message.
% 0.12/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.33    -m, -model   generate model.
% 0.12/0.33    -p, -proof   generate proof.
% 0.12/0.33    -c, -core    generate unsat core of named formulas.
% 0.12/0.33    -st, -statistics display statistics.
% 0.12/0.33    -t:timeout   set timeout (in second).
% 0.12/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.33    -<param>:<value> configuration parameter and value.
% 0.12/0.33    -o:<output-file> file to place output in.
% 22.67/14.74  % SZS status Theorem
% 22.67/14.74  % SZS output start Proof
% 22.67/14.74  tff(member_type, type, (
% 22.67/14.74     member: ( $i * $i ) > $o)).
% 22.67/14.74  tff(difference_type, type, (
% 22.67/14.74     difference: ( $i * $i ) > $i)).
% 22.67/14.74  tff(tptp_fun_A_5_type, type, (
% 22.67/14.74     tptp_fun_A_5: $i)).
% 22.67/14.74  tff(tptp_fun_E_3_type, type, (
% 22.67/14.74     tptp_fun_E_3: $i)).
% 22.67/14.74  tff(tptp_fun_X_0_type, type, (
% 22.67/14.74     tptp_fun_X_0: ( $i * $i ) > $i)).
% 22.67/14.74  tff(tptp_fun_B_4_type, type, (
% 22.67/14.74     tptp_fun_B_4: $i)).
% 22.67/14.74  tff(subset_type, type, (
% 22.67/14.74     subset: ( $i * $i ) > $o)).
% 22.67/14.74  tff(1,assumption,(~(member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5))))), introduced(assumption)).
% 22.67/14.74  tff(2,plain,
% 22.67/14.74      (^[B: $i, A: $i, E: $i] : refl((member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A)))) <=> (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A)))))),
% 22.67/14.74      inference(bind,[status(th)],[])).
% 22.67/14.74  tff(3,plain,
% 22.67/14.74      (![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A)))) <=> ![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))),
% 22.67/14.74      inference(quant_intro,[status(thm)],[2])).
% 22.67/14.74  tff(4,plain,
% 22.67/14.74      (^[B: $i, A: $i, E: $i] : rewrite((member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A)))) <=> (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A)))))),
% 22.67/14.74      inference(bind,[status(th)],[])).
% 22.67/14.74  tff(5,plain,
% 22.67/14.74      (![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A)))) <=> ![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))),
% 22.67/14.74      inference(quant_intro,[status(thm)],[4])).
% 22.67/14.74  tff(6,plain,
% 22.67/14.74      (![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A)))) <=> ![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A))))),
% 22.67/14.74      inference(rewrite,[status(thm)],[])).
% 22.67/14.74  tff(7,axiom,(![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A))))), file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax','difference')).
% 22.67/14.74  tff(8,plain,
% 22.67/14.74      (![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A))))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[7, 6])).
% 22.67/14.74  tff(9,plain,(
% 22.67/14.74      ![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (member(B, E) & (~member(B, A))))),
% 22.67/14.74      inference(skolemize,[status(sab)],[8])).
% 22.67/14.74  tff(10,plain,
% 22.67/14.74      (![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[9, 5])).
% 22.67/14.74  tff(11,plain,
% 22.67/14.74      (![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[10, 3])).
% 22.67/14.74  tff(12,plain,
% 22.67/14.74      ((~![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))) | (member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5))))),
% 22.67/14.74      inference(quant_inst,[status(thm)],[])).
% 22.67/14.74  tff(13,plain,
% 22.67/14.74      ($false),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[12, 11, 1])).
% 22.67/14.74  tff(14,plain,(member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5)))), inference(lemma,lemma(discharge,[]))).
% 22.67/14.74  tff(15,plain,
% 22.67/14.74      ((~![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))) | (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))))),
% 22.67/14.74      inference(quant_inst,[status(thm)],[])).
% 22.67/14.74  tff(16,plain,
% 22.67/14.74      (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[15, 11])).
% 22.67/14.74  tff(17,assumption,(~subset(difference(E!3, B!4), difference(E!3, A!5))), introduced(assumption)).
% 22.67/14.74  tff(18,plain,
% 22.67/14.74      (^[A: $i, B: $i] : refl((~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))))),
% 22.67/14.74      inference(bind,[status(th)],[])).
% 22.67/14.74  tff(19,plain,
% 22.67/14.74      (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 22.67/14.74      inference(quant_intro,[status(thm)],[18])).
% 22.67/14.74  tff(20,plain,
% 22.67/14.74      (^[A: $i, B: $i] : rewrite((~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))))),
% 22.67/14.74      inference(bind,[status(th)],[])).
% 22.67/14.74  tff(21,plain,
% 22.67/14.74      (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 22.67/14.74      inference(quant_intro,[status(thm)],[20])).
% 22.67/14.74  tff(22,plain,
% 22.67/14.74      (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 22.67/14.74      inference(transitivity,[status(thm)],[21, 19])).
% 22.67/14.74  tff(23,plain,
% 22.67/14.74      (^[A: $i, B: $i] : trans(monotonicity(rewrite(((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) <=> ((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))), rewrite((subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))) <=> (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))), ((((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> (((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))), rewrite((((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))), ((((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))))),
% 22.67/14.74      inference(bind,[status(th)],[])).
% 22.67/14.74  tff(24,plain,
% 22.67/14.74      (![A: $i, B: $i] : (((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 22.67/14.74      inference(quant_intro,[status(thm)],[23])).
% 22.67/14.74  tff(25,plain,
% 22.67/14.74      (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B))) <=> ![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 22.67/14.74      inference(rewrite,[status(thm)],[])).
% 22.67/14.74  tff(26,plain,
% 22.67/14.74      (^[A: $i, B: $i] : rewrite((subset(A, B) <=> ![X: $i] : (member(X, A) => member(X, B))) <=> (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B))))),
% 22.67/14.74      inference(bind,[status(th)],[])).
% 22.67/14.74  tff(27,plain,
% 22.67/14.74      (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : (member(X, A) => member(X, B))) <=> ![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 22.67/14.74      inference(quant_intro,[status(thm)],[26])).
% 22.67/14.74  tff(28,axiom,(![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : (member(X, A) => member(X, B)))), file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax','subset')).
% 22.67/14.74  tff(29,plain,
% 22.67/14.74      (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[28, 27])).
% 22.67/14.74  tff(30,plain,
% 22.67/14.74      (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[29, 25])).
% 22.67/14.74  tff(31,plain,(
% 22.67/14.74      ![A: $i, B: $i] : (((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))),
% 22.67/14.74      inference(skolemize,[status(sab)],[30])).
% 22.67/14.74  tff(32,plain,
% 22.67/14.74      (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[31, 24])).
% 22.67/14.74  tff(33,plain,
% 22.67/14.74      (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 22.67/14.74      inference(modus_ponens,[status(thm)],[32, 22])).
% 22.67/14.74  tff(34,plain,
% 22.67/14.74      ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | (~((~((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5))))) | (~(subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))))))))),
% 22.67/14.74      inference(quant_inst,[status(thm)],[])).
% 22.67/14.74  tff(35,plain,
% 22.67/14.74      (~((~((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5))))) | (~(subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)))))))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[34, 33])).
% 22.67/14.74  tff(36,plain,
% 22.67/14.74      (((~((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5))))) | (~(subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))))))) | (subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)))))),
% 22.67/14.74      inference(tautology,[status(thm)],[])).
% 22.67/14.74  tff(37,plain,
% 22.67/14.74      (subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[36, 35])).
% 22.67/14.74  tff(38,plain,
% 22.67/14.74      ((~(subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)))))) | subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))))),
% 22.67/14.74      inference(tautology,[status(thm)],[])).
% 22.67/14.74  tff(39,plain,
% 22.67/14.74      (subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[38, 37])).
% 22.67/14.74  tff(40,plain,
% 22.67/14.74      (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[39, 17])).
% 22.67/14.74  tff(41,plain,
% 22.67/14.74      (((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))),
% 22.67/14.74      inference(tautology,[status(thm)],[])).
% 22.67/14.74  tff(42,plain,
% 22.67/14.74      (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[41, 40])).
% 22.67/14.74  tff(43,plain,
% 22.67/14.74      ((~(member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))))) | (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)))),
% 22.67/14.74      inference(tautology,[status(thm)],[])).
% 22.67/14.74  tff(44,plain,
% 22.67/14.74      ((~(member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))))) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[43, 42])).
% 22.67/14.74  tff(45,plain,
% 22.67/14.74      (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[44, 16])).
% 22.67/14.74  tff(46,plain,
% 22.67/14.74      (((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)) | (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))),
% 22.67/14.74      inference(tautology,[status(thm)],[])).
% 22.67/14.74  tff(47,plain,
% 22.67/14.74      (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[46, 45])).
% 22.67/14.74  tff(48,plain,
% 22.67/14.74      ((~![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))) | (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5))))),
% 22.67/14.74      inference(quant_inst,[status(thm)],[])).
% 22.67/14.74  tff(49,plain,
% 22.67/14.74      (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)))),
% 22.67/14.74      inference(unit_resolution,[status(thm)],[48, 11])).
% 22.67/14.74  tff(50,plain,
% 22.67/14.74      (((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))) | (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(51,plain,
% 22.67/14.75      (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[50, 40])).
% 22.67/14.75  tff(52,plain,
% 22.67/14.75      ((~(member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5))))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)) | ((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(53,plain,
% 22.67/14.75      ((~(member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5))))) | ((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[52, 51])).
% 22.67/14.75  tff(54,plain,
% 22.67/14.75      ((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[53, 49])).
% 22.67/14.75  tff(55,plain,
% 22.67/14.75      (((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(56,plain,
% 22.67/14.75      (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[55, 45])).
% 22.67/14.75  tff(57,plain,
% 22.67/14.75      ((~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5))) | (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), E!3)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(58,plain,
% 22.67/14.75      (member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[57, 56, 54])).
% 22.67/14.75  tff(59,plain,
% 22.67/14.75      ((~(subset(A!5, B!4) <=> subset(difference(E!3, B!4), difference(E!3, A!5)))) <=> ((~subset(A!5, B!4)) <=> subset(difference(E!3, B!4), difference(E!3, A!5)))),
% 22.67/14.75      inference(rewrite,[status(thm)],[])).
% 22.67/14.75  tff(60,plain,
% 22.67/14.75      ((~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))) <=> (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A)))))),
% 22.67/14.75      inference(rewrite,[status(thm)],[])).
% 22.67/14.75  tff(61,plain,
% 22.67/14.75      ((~![A: $i, B: $i, E: $i] : ((subset(A, E) & subset(B, E)) => (subset(A, B) <=> subset(difference(E, B), difference(E, A))))) <=> (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A)))))),
% 22.67/14.75      inference(rewrite,[status(thm)],[])).
% 22.67/14.75  tff(62,axiom,(~![A: $i, B: $i, E: $i] : ((subset(A, E) & subset(B, E)) => (subset(A, B) <=> subset(difference(E, B), difference(E, A))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','thI24')).
% 22.67/14.75  tff(63,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[62, 61])).
% 22.67/14.75  tff(64,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[63, 60])).
% 22.67/14.75  tff(65,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[64, 60])).
% 22.67/14.75  tff(66,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[65, 60])).
% 22.67/14.75  tff(67,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[66, 60])).
% 22.67/14.75  tff(68,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[67, 60])).
% 22.67/14.75  tff(69,plain,
% 22.67/14.75      (~![A: $i, B: $i, E: $i] : ((~(subset(A, E) & subset(B, E))) | (subset(A, B) <=> subset(difference(E, B), difference(E, A))))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[68, 60])).
% 22.67/14.75  tff(70,plain,(
% 22.67/14.75      ~((~(subset(A!5, E!3) & subset(B!4, E!3))) | (subset(A!5, B!4) <=> subset(difference(E!3, B!4), difference(E!3, A!5))))),
% 22.67/14.75      inference(skolemize,[status(sab)],[69])).
% 22.67/14.75  tff(71,plain,
% 22.67/14.75      (~(subset(A!5, B!4) <=> subset(difference(E!3, B!4), difference(E!3, A!5)))),
% 22.67/14.75      inference(or_elim,[status(thm)],[70])).
% 22.67/14.75  tff(72,plain,
% 22.67/14.75      ((~subset(A!5, B!4)) <=> subset(difference(E!3, B!4), difference(E!3, A!5))),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[71, 59])).
% 22.67/14.75  tff(73,plain,
% 22.67/14.75      (subset(A!5, B!4) | subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~subset(A!5, B!4)) <=> subset(difference(E!3, B!4), difference(E!3, A!5))))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(74,plain,
% 22.67/14.75      (subset(A!5, B!4) | subset(difference(E!3, B!4), difference(E!3, A!5))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[73, 72])).
% 22.67/14.75  tff(75,plain,
% 22.67/14.75      (subset(A!5, B!4)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[74, 17])).
% 22.67/14.75  tff(76,plain,
% 22.67/14.75      ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | (~((~((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4)))) | (~(subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)))))))),
% 22.67/14.75      inference(quant_inst,[status(thm)],[])).
% 22.67/14.75  tff(77,plain,
% 22.67/14.75      (~((~((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4)))) | (~(subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4))))))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[76, 33])).
% 22.67/14.75  tff(78,plain,
% 22.67/14.75      (((~((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4)))) | (~(subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)))))) | ((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4)))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(79,plain,
% 22.67/14.75      ((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[78, 77])).
% 22.67/14.75  tff(80,plain,
% 22.67/14.75      ((~((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4)))) | (~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(81,plain,
% 22.67/14.75      ((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[80, 79])).
% 22.67/14.75  tff(82,plain,
% 22.67/14.75      (![X: $i] : ((~member(X, A!5)) | member(X, B!4))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[81, 75])).
% 22.67/14.75  tff(83,plain,
% 22.67/14.75      (((~![X: $i] : ((~member(X, A!5)) | member(X, B!4))) | ((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))) <=> ((~![X: $i] : ((~member(X, A!5)) | member(X, B!4))) | (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))),
% 22.67/14.75      inference(rewrite,[status(thm)],[])).
% 22.67/14.75  tff(84,plain,
% 22.67/14.75      ((~![X: $i] : ((~member(X, A!5)) | member(X, B!4))) | ((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4))),
% 22.67/14.75      inference(quant_inst,[status(thm)],[])).
% 22.67/14.75  tff(85,plain,
% 22.67/14.75      ((~![X: $i] : ((~member(X, A!5)) | member(X, B!4))) | (~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), A!5)) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), B!4)),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[84, 83])).
% 22.67/14.75  tff(86,plain,
% 22.67/14.75      ($false),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[85, 82, 58, 47])).
% 22.67/14.75  tff(87,plain,(subset(difference(E!3, B!4), difference(E!3, A!5))), inference(lemma,lemma(discharge,[]))).
% 22.67/14.75  tff(88,plain,
% 22.67/14.75      ((~subset(A!5, B!4)) | (~subset(difference(E!3, B!4), difference(E!3, A!5))) | (~((~subset(A!5, B!4)) <=> subset(difference(E!3, B!4), difference(E!3, A!5))))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(89,plain,
% 22.67/14.75      ((~subset(A!5, B!4)) | (~subset(difference(E!3, B!4), difference(E!3, A!5)))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[88, 72])).
% 22.67/14.75  tff(90,plain,
% 22.67/14.75      (~subset(A!5, B!4)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[89, 87])).
% 22.67/14.75  tff(91,plain,
% 22.67/14.75      (((~((~subset(A!5, B!4)) | ![X: $i] : ((~member(X, A!5)) | member(X, B!4)))) | (~(subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)))))) | (subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4))))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(92,plain,
% 22.67/14.75      (subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[91, 77])).
% 22.67/14.75  tff(93,plain,
% 22.67/14.75      ((~(subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4))))) | subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(94,plain,
% 22.67/14.75      (subset(A!5, B!4) | (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[93, 92])).
% 22.67/14.75  tff(95,plain,
% 22.67/14.75      (~((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[94, 90])).
% 22.67/14.75  tff(96,plain,
% 22.67/14.75      (((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)) | member(tptp_fun_X_0(B!4, A!5), A!5)),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(97,plain,
% 22.67/14.75      (member(tptp_fun_X_0(B!4, A!5), A!5)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[96, 95])).
% 22.67/14.75  tff(98,plain,
% 22.67/14.75      (((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5)) | (~member(tptp_fun_X_0(B!4, A!5), A!5))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(99,plain,
% 22.67/14.75      ((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[98, 97])).
% 22.67/14.75  tff(100,plain,
% 22.67/14.75      ((~(member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5))))) | (~member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5))) | (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5)))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(101,plain,
% 22.67/14.75      ((~(member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), A!5))))) | (~member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[100, 99])).
% 22.67/14.75  tff(102,plain,
% 22.67/14.75      (~member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[101, 14])).
% 22.67/14.75  tff(103,assumption,(~(member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))))), introduced(assumption)).
% 22.67/14.75  tff(104,plain,
% 22.67/14.75      ((~![B: $i, A: $i, E: $i] : (member(B, difference(E, A)) <=> (~((~member(B, E)) | member(B, A))))) | (member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))))),
% 22.67/14.75      inference(quant_inst,[status(thm)],[])).
% 22.67/14.75  tff(105,plain,
% 22.67/14.75      ($false),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[104, 11, 103])).
% 22.67/14.75  tff(106,plain,(member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4)))), inference(lemma,lemma(discharge,[]))).
% 22.67/14.75  tff(107,plain,
% 22.67/14.75      ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | (~((~((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3)))) | (~(subset(A!5, E!3) | (~((~member(tptp_fun_X_0(E!3, A!5), A!5)) | member(tptp_fun_X_0(E!3, A!5), E!3)))))))),
% 22.67/14.75      inference(quant_inst,[status(thm)],[])).
% 22.67/14.75  tff(108,plain,
% 22.67/14.75      (~((~((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3)))) | (~(subset(A!5, E!3) | (~((~member(tptp_fun_X_0(E!3, A!5), A!5)) | member(tptp_fun_X_0(E!3, A!5), E!3))))))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[107, 33])).
% 22.67/14.75  tff(109,plain,
% 22.67/14.75      (((~((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3)))) | (~(subset(A!5, E!3) | (~((~member(tptp_fun_X_0(E!3, A!5), A!5)) | member(tptp_fun_X_0(E!3, A!5), E!3)))))) | ((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3)))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(110,plain,
% 22.67/14.75      ((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[109, 108])).
% 22.67/14.75  tff(111,plain,
% 22.67/14.75      (subset(A!5, E!3) & subset(B!4, E!3)),
% 22.67/14.75      inference(or_elim,[status(thm)],[70])).
% 22.67/14.75  tff(112,plain,
% 22.67/14.75      (subset(A!5, E!3)),
% 22.67/14.75      inference(and_elim,[status(thm)],[111])).
% 22.67/14.75  tff(113,plain,
% 22.67/14.75      ((~((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3)))) | (~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(114,plain,
% 22.67/14.75      ((~((~subset(A!5, E!3)) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3)))) | ![X: $i] : ((~member(X, A!5)) | member(X, E!3))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[113, 112])).
% 22.67/14.75  tff(115,plain,
% 22.67/14.75      (![X: $i] : ((~member(X, A!5)) | member(X, E!3))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[114, 110])).
% 22.67/14.75  tff(116,plain,
% 22.67/14.75      (((~![X: $i] : ((~member(X, A!5)) | member(X, E!3))) | ((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), E!3))) <=> ((~![X: $i] : ((~member(X, A!5)) | member(X, E!3))) | (~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), E!3))),
% 22.67/14.75      inference(rewrite,[status(thm)],[])).
% 22.67/14.75  tff(117,plain,
% 22.67/14.75      ((~![X: $i] : ((~member(X, A!5)) | member(X, E!3))) | ((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), E!3))),
% 22.67/14.75      inference(quant_inst,[status(thm)],[])).
% 22.67/14.75  tff(118,plain,
% 22.67/14.75      ((~![X: $i] : ((~member(X, A!5)) | member(X, E!3))) | (~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), E!3)),
% 22.67/14.75      inference(modus_ponens,[status(thm)],[117, 116])).
% 22.67/14.75  tff(119,plain,
% 22.67/14.75      (member(tptp_fun_X_0(B!4, A!5), E!3)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[118, 115, 97])).
% 22.67/14.75  tff(120,plain,
% 22.67/14.75      (((~member(tptp_fun_X_0(B!4, A!5), A!5)) | member(tptp_fun_X_0(B!4, A!5), B!4)) | (~member(tptp_fun_X_0(B!4, A!5), B!4))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(121,plain,
% 22.67/14.75      (~member(tptp_fun_X_0(B!4, A!5), B!4)),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[120, 95])).
% 22.67/14.75  tff(122,plain,
% 22.67/14.75      ((~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))) | (~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4)),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(123,plain,
% 22.67/14.75      (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))),
% 22.67/14.75      inference(unit_resolution,[status(thm)],[122, 121, 119])).
% 22.67/14.75  tff(124,plain,
% 22.67/14.75      ((~(member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))))) | member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4)) | ((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))),
% 22.67/14.75      inference(tautology,[status(thm)],[])).
% 22.67/14.75  tff(125,plain,
% 22.67/14.75      ((~(member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4)) <=> (~((~member(tptp_fun_X_0(B!4, A!5), E!3)) | member(tptp_fun_X_0(B!4, A!5), B!4))))) | member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4))),
% 22.67/14.76      inference(unit_resolution,[status(thm)],[124, 123])).
% 22.67/14.76  tff(126,plain,
% 22.67/14.76      (member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4))),
% 22.67/14.76      inference(unit_resolution,[status(thm)],[125, 106])).
% 22.67/14.76  tff(127,plain,
% 22.67/14.76      (((~((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5))))) | (~(subset(difference(E!3, B!4), difference(E!3, A!5)) | (~((~member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, B!4))) | member(tptp_fun_X_0(difference(E!3, A!5), difference(E!3, B!4)), difference(E!3, A!5))))))) | ((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5))))),
% 22.67/14.76      inference(tautology,[status(thm)],[])).
% 22.67/14.76  tff(128,plain,
% 22.67/14.76      ((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))),
% 22.67/14.76      inference(unit_resolution,[status(thm)],[127, 35])).
% 22.67/14.76  tff(129,plain,
% 22.67/14.76      ((~((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5))))) | (~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))),
% 22.67/14.76      inference(tautology,[status(thm)],[])).
% 22.67/14.76  tff(130,plain,
% 22.67/14.76      ((~subset(difference(E!3, B!4), difference(E!3, A!5))) | ![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))),
% 22.67/14.76      inference(unit_resolution,[status(thm)],[129, 128])).
% 22.67/14.76  tff(131,plain,
% 22.67/14.76      (![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))),
% 22.67/14.76      inference(unit_resolution,[status(thm)],[130, 87])).
% 22.67/14.76  tff(132,plain,
% 22.67/14.76      (((~![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))) | ((~member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4))) | member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)))) <=> ((~![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))) | (~member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4))) | member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)))),
% 22.67/14.76      inference(rewrite,[status(thm)],[])).
% 22.67/14.76  tff(133,plain,
% 22.67/14.76      ((~![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))) | ((~member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4))) | member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5)))),
% 22.67/14.76      inference(quant_inst,[status(thm)],[])).
% 22.67/14.76  tff(134,plain,
% 22.67/14.76      ((~![X: $i] : ((~member(X, difference(E!3, B!4))) | member(X, difference(E!3, A!5)))) | (~member(tptp_fun_X_0(B!4, A!5), difference(E!3, B!4))) | member(tptp_fun_X_0(B!4, A!5), difference(E!3, A!5))),
% 22.67/14.76      inference(modus_ponens,[status(thm)],[133, 132])).
% 22.67/14.76  tff(135,plain,
% 22.67/14.76      ($false),
% 22.67/14.76      inference(unit_resolution,[status(thm)],[134, 131, 126, 102])).
% 22.67/14.76  % SZS output end Proof
%------------------------------------------------------------------------------