TSTP Solution File: SET081+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET081+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n018.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 05:05:28 EDT 2022

% Result   : Theorem 0.21s 0.40s
% Output   : Proof 0.21s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SET081+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.04/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n018.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Sep  3 02:11:14 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 0.21/0.40  % SZS status Theorem
% 0.21/0.40  % SZS output start Proof
% 0.21/0.40  tff(member_type, type, (
% 0.21/0.40     member: ( $i * $i ) > $o)).
% 0.21/0.40  tff(unordered_pair_type, type, (
% 0.21/0.40     unordered_pair: ( $i * $i ) > $i)).
% 0.21/0.40  tff(tptp_fun_X_8_type, type, (
% 0.21/0.40     tptp_fun_X_8: $i)).
% 0.21/0.40  tff(tptp_fun_Y_7_type, type, (
% 0.21/0.40     tptp_fun_Y_7: $i)).
% 0.21/0.40  tff(singleton_type, type, (
% 0.21/0.40     singleton: $i > $i)).
% 0.21/0.40  tff(universal_class_type, type, (
% 0.21/0.40     universal_class: $i)).
% 0.21/0.40  tff(1,plain,
% 0.21/0.40      (^[X: $i] : refl((singleton(X) = unordered_pair(X, X)) <=> (singleton(X) = unordered_pair(X, X)))),
% 0.21/0.40      inference(bind,[status(th)],[])).
% 0.21/0.40  tff(2,plain,
% 0.21/0.40      (![X: $i] : (singleton(X) = unordered_pair(X, X)) <=> ![X: $i] : (singleton(X) = unordered_pair(X, X))),
% 0.21/0.40      inference(quant_intro,[status(thm)],[1])).
% 0.21/0.40  tff(3,plain,
% 0.21/0.40      (![X: $i] : (singleton(X) = unordered_pair(X, X)) <=> ![X: $i] : (singleton(X) = unordered_pair(X, X))),
% 0.21/0.40      inference(rewrite,[status(thm)],[])).
% 0.21/0.40  tff(4,axiom,(![X: $i] : (singleton(X) = unordered_pair(X, X))), file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax','singleton_set_defn')).
% 0.21/0.40  tff(5,plain,
% 0.21/0.40      (![X: $i] : (singleton(X) = unordered_pair(X, X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[4, 3])).
% 0.21/0.40  tff(6,plain,(
% 0.21/0.40      ![X: $i] : (singleton(X) = unordered_pair(X, X))),
% 0.21/0.40      inference(skolemize,[status(sab)],[5])).
% 0.21/0.40  tff(7,plain,
% 0.21/0.40      (![X: $i] : (singleton(X) = unordered_pair(X, X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[6, 2])).
% 0.21/0.40  tff(8,plain,
% 0.21/0.40      ((~![X: $i] : (singleton(X) = unordered_pair(X, X))) | (singleton(X!8) = unordered_pair(X!8, X!8))),
% 0.21/0.40      inference(quant_inst,[status(thm)],[])).
% 0.21/0.40  tff(9,plain,
% 0.21/0.40      (singleton(X!8) = unordered_pair(X!8, X!8)),
% 0.21/0.40      inference(unit_resolution,[status(thm)],[8, 7])).
% 0.21/0.40  tff(10,plain,
% 0.21/0.40      (unordered_pair(X!8, X!8) = singleton(X!8)),
% 0.21/0.40      inference(symmetry,[status(thm)],[9])).
% 0.21/0.40  tff(11,plain,
% 0.21/0.40      (member(Y!7, unordered_pair(X!8, X!8)) <=> member(Y!7, singleton(X!8))),
% 0.21/0.40      inference(monotonicity,[status(thm)],[10])).
% 0.21/0.40  tff(12,plain,
% 0.21/0.40      (member(Y!7, singleton(X!8)) <=> member(Y!7, unordered_pair(X!8, X!8))),
% 0.21/0.40      inference(symmetry,[status(thm)],[11])).
% 0.21/0.40  tff(13,plain,
% 0.21/0.40      ((~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))) <=> (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X)))),
% 0.21/0.40      inference(rewrite,[status(thm)],[])).
% 0.21/0.40  tff(14,plain,
% 0.21/0.40      ((~![X: $i, Y: $i] : (member(Y, singleton(X)) => (Y = X))) <=> (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X)))),
% 0.21/0.40      inference(rewrite,[status(thm)],[])).
% 0.21/0.40  tff(15,axiom,(~![X: $i, Y: $i] : (member(Y, singleton(X)) => (Y = X))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','only_member_in_singleton')).
% 0.21/0.40  tff(16,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[15, 14])).
% 0.21/0.40  tff(17,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[16, 13])).
% 0.21/0.40  tff(18,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[17, 13])).
% 0.21/0.40  tff(19,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[18, 13])).
% 0.21/0.40  tff(20,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[19, 13])).
% 0.21/0.40  tff(21,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[20, 13])).
% 0.21/0.40  tff(22,plain,
% 0.21/0.40      (~![X: $i, Y: $i] : ((~member(Y, singleton(X))) | (Y = X))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[21, 13])).
% 0.21/0.40  tff(23,plain,(
% 0.21/0.40      ~((~member(Y!7, singleton(X!8))) | (Y!7 = X!8))),
% 0.21/0.40      inference(skolemize,[status(sab)],[22])).
% 0.21/0.40  tff(24,plain,
% 0.21/0.40      (member(Y!7, singleton(X!8))),
% 0.21/0.40      inference(or_elim,[status(thm)],[23])).
% 0.21/0.40  tff(25,plain,
% 0.21/0.40      (member(Y!7, unordered_pair(X!8, X!8))),
% 0.21/0.40      inference(modus_ponens,[status(thm)],[24, 12])).
% 0.21/0.40  tff(26,plain,
% 0.21/0.40      (^[U: $i, X: $i, Y: $i] : refl((member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X)))))) <=> (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X)))))))),
% 0.21/0.40      inference(bind,[status(th)],[])).
% 0.21/0.41  tff(27,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X)))))) <=> ![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))),
% 0.21/0.41      inference(quant_intro,[status(thm)],[26])).
% 0.21/0.41  tff(28,plain,
% 0.21/0.41      (^[U: $i, X: $i, Y: $i] : rewrite((member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X)))) <=> (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X)))))))),
% 0.21/0.41      inference(bind,[status(th)],[])).
% 0.21/0.41  tff(29,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X)))) <=> ![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))),
% 0.21/0.41      inference(quant_intro,[status(thm)],[28])).
% 0.21/0.41  tff(30,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X)))) <=> ![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X))))),
% 0.21/0.41      inference(rewrite,[status(thm)],[])).
% 0.21/0.41  tff(31,plain,
% 0.21/0.41      (^[U: $i, X: $i, Y: $i] : rewrite((member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = X) | (U = Y)))) <=> (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X)))))),
% 0.21/0.41      inference(bind,[status(th)],[])).
% 0.21/0.41  tff(32,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = X) | (U = Y)))) <=> ![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X))))),
% 0.21/0.41      inference(quant_intro,[status(thm)],[31])).
% 0.21/0.41  tff(33,axiom,(![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = X) | (U = Y))))), file('/export/starexec/sandbox2/benchmark/Axioms/SET005+0.ax','unordered_pair_defn')).
% 0.21/0.41  tff(34,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X))))),
% 0.21/0.41      inference(modus_ponens,[status(thm)],[33, 32])).
% 0.21/0.41  tff(35,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X))))),
% 0.21/0.41      inference(modus_ponens,[status(thm)],[34, 30])).
% 0.21/0.41  tff(36,plain,(
% 0.21/0.41      ![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (member(U, universal_class) & ((U = Y) | (U = X))))),
% 0.21/0.41      inference(skolemize,[status(sab)],[35])).
% 0.21/0.41  tff(37,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))),
% 0.21/0.41      inference(modus_ponens,[status(thm)],[36, 29])).
% 0.21/0.41  tff(38,plain,
% 0.21/0.41      (![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))),
% 0.21/0.41      inference(modus_ponens,[status(thm)],[37, 27])).
% 0.21/0.41  tff(39,plain,
% 0.21/0.41      (((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class)))))) <=> ((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class))))))),
% 0.21/0.41      inference(rewrite,[status(thm)],[])).
% 0.21/0.41  tff(40,plain,
% 0.21/0.41      ((member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~member(Y!7, universal_class)) | (~((Y!7 = X!8) | (Y!7 = X!8)))))) <=> (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class)))))),
% 0.21/0.41      inference(rewrite,[status(thm)],[])).
% 0.21/0.41  tff(41,plain,
% 0.21/0.41      (((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~member(Y!7, universal_class)) | (~((Y!7 = X!8) | (Y!7 = X!8))))))) <=> ((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class))))))),
% 0.21/0.41      inference(monotonicity,[status(thm)],[40])).
% 0.21/0.41  tff(42,plain,
% 0.21/0.41      (((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~member(Y!7, universal_class)) | (~((Y!7 = X!8) | (Y!7 = X!8))))))) <=> ((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class))))))),
% 0.21/0.41      inference(transitivity,[status(thm)],[41, 39])).
% 0.21/0.41  tff(43,plain,
% 0.21/0.41      ((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~member(Y!7, universal_class)) | (~((Y!7 = X!8) | (Y!7 = X!8))))))),
% 0.21/0.41      inference(quant_inst,[status(thm)],[])).
% 0.21/0.41  tff(44,plain,
% 0.21/0.41      ((~![U: $i, X: $i, Y: $i] : (member(U, unordered_pair(X, Y)) <=> (~((~member(U, universal_class)) | (~((U = Y) | (U = X))))))) | (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class)))))),
% 0.21/0.41      inference(modus_ponens,[status(thm)],[43, 42])).
% 0.21/0.41  tff(45,plain,
% 0.21/0.41      (member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class))))),
% 0.21/0.41      inference(unit_resolution,[status(thm)],[44, 38])).
% 0.21/0.41  tff(46,plain,
% 0.21/0.41      (~(Y!7 = X!8)),
% 0.21/0.41      inference(or_elim,[status(thm)],[23])).
% 0.21/0.41  tff(47,plain,
% 0.21/0.41      (((~(Y!7 = X!8)) | (~member(Y!7, universal_class))) | (Y!7 = X!8)),
% 0.21/0.41      inference(tautology,[status(thm)],[])).
% 0.21/0.41  tff(48,plain,
% 0.21/0.41      ((~(Y!7 = X!8)) | (~member(Y!7, universal_class))),
% 0.21/0.41      inference(unit_resolution,[status(thm)],[47, 46])).
% 0.21/0.41  tff(49,plain,
% 0.21/0.41      ((~(member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class)))))) | (~member(Y!7, unordered_pair(X!8, X!8))) | (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class))))),
% 0.21/0.41      inference(tautology,[status(thm)],[])).
% 0.21/0.41  tff(50,plain,
% 0.21/0.41      ((~(member(Y!7, unordered_pair(X!8, X!8)) <=> (~((~(Y!7 = X!8)) | (~member(Y!7, universal_class)))))) | (~member(Y!7, unordered_pair(X!8, X!8)))),
% 0.21/0.41      inference(unit_resolution,[status(thm)],[49, 48])).
% 0.21/0.41  tff(51,plain,
% 0.21/0.41      (~member(Y!7, unordered_pair(X!8, X!8))),
% 0.21/0.41      inference(unit_resolution,[status(thm)],[50, 45])).
% 0.21/0.41  tff(52,plain,
% 0.21/0.41      ($false),
% 0.21/0.41      inference(unit_resolution,[status(thm)],[51, 25])).
% 0.21/0.41  % SZS output end Proof
%------------------------------------------------------------------------------