TSTP Solution File: SYN082-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SYN082-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n004.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 : Thu Sep 29 23:53:39 EDT 2022

% Result   : Unsatisfiable 0.12s 0.38s
% Output   : Proof 0.12s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.11  % Problem  : SYN082-1 : TPTP v8.1.0. Released v1.0.0.
% 0.09/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n004.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 : Mon Sep  5 01:37:19 EDT 2022
% 0.12/0.33  % 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.
% 0.12/0.38  % SZS status Unsatisfiable
% 0.12/0.38  % SZS output start Proof
% 0.12/0.38  tff(big_f_type, type, (
% 0.12/0.38     big_f: ( $i * $i ) > $o)).
% 0.12/0.38  tff(f_type, type, (
% 0.12/0.38     f: $i > $i)).
% 0.12/0.38  tff(a_type, type, (
% 0.12/0.38     a: $i)).
% 0.12/0.38  tff(g_type, type, (
% 0.12/0.38     g: $i > $i)).
% 0.12/0.38  tff(b_type, type, (
% 0.12/0.38     b: $i)).
% 0.12/0.38  tff(1,plain,
% 0.12/0.38      (^[X: $i] : refl(((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X))) <=> ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X))))),
% 0.12/0.38      inference(bind,[status(th)],[])).
% 0.12/0.38  tff(2,plain,
% 0.12/0.38      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X))) <=> ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(quant_intro,[status(thm)],[1])).
% 0.12/0.38  tff(3,plain,
% 0.12/0.38      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X))) <=> ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(rewrite,[status(thm)],[])).
% 0.12/0.38  tff(4,plain,
% 0.12/0.38      (^[X: $i] : trans(monotonicity(rewrite(((~big_f(g(X), X)) | (~big_f(a, X))) <=> ((~big_f(a, X)) | (~big_f(g(X), X)))), ((((~big_f(g(X), X)) | (~big_f(a, X))) | (~big_f(a, f(a)))) <=> (((~big_f(a, X)) | (~big_f(g(X), X))) | (~big_f(a, f(a)))))), rewrite((((~big_f(a, X)) | (~big_f(g(X), X))) | (~big_f(a, f(a)))) <=> ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))), ((((~big_f(g(X), X)) | (~big_f(a, X))) | (~big_f(a, f(a)))) <=> ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))))),
% 0.12/0.38      inference(bind,[status(th)],[])).
% 0.12/0.38  tff(5,plain,
% 0.12/0.38      (![X: $i] : (((~big_f(g(X), X)) | (~big_f(a, X))) | (~big_f(a, f(a)))) <=> ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(quant_intro,[status(thm)],[4])).
% 0.12/0.38  tff(6,axiom,(![X: $i] : (((~big_f(g(X), X)) | (~big_f(a, X))) | (~big_f(a, f(a))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','clause_8')).
% 0.12/0.38  tff(7,plain,
% 0.12/0.38      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(modus_ponens,[status(thm)],[6, 5])).
% 0.12/0.38  tff(8,plain,
% 0.12/0.38      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(modus_ponens,[status(thm)],[7, 3])).
% 0.12/0.38  tff(9,plain,(
% 0.12/0.38      ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(skolemize,[status(sab)],[8])).
% 0.12/0.38  tff(10,plain,
% 0.12/0.38      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))),
% 0.12/0.38      inference(modus_ponens,[status(thm)],[9, 2])).
% 0.12/0.38  tff(11,assumption,(~big_f(a, f(a))), introduced(assumption)).
% 0.12/0.38  tff(12,plain,
% 0.12/0.38      ((big_f(a, b) | big_f(a, f(a))) <=> (big_f(a, b) | big_f(a, f(a)))),
% 0.12/0.38      inference(rewrite,[status(thm)],[])).
% 0.12/0.38  tff(13,plain,
% 0.12/0.38      ((big_f(a, f(a)) | big_f(a, b)) <=> (big_f(a, b) | big_f(a, f(a)))),
% 0.12/0.38      inference(rewrite,[status(thm)],[])).
% 0.12/0.38  tff(14,axiom,(big_f(a, f(a)) | big_f(a, b)), file('/export/starexec/sandbox/benchmark/theBenchmark.p','clause_2')).
% 0.12/0.38  tff(15,plain,
% 0.12/0.38      (big_f(a, b) | big_f(a, f(a))),
% 0.12/0.38      inference(modus_ponens,[status(thm)],[14, 13])).
% 0.12/0.38  tff(16,plain,
% 0.12/0.38      (big_f(a, b) | big_f(a, f(a))),
% 0.12/0.38      inference(modus_ponens,[status(thm)],[15, 12])).
% 0.12/0.38  tff(17,plain,
% 0.12/0.38      (big_f(a, b)),
% 0.12/0.38      inference(unit_resolution,[status(thm)],[16, 11])).
% 0.12/0.38  tff(18,plain,
% 0.12/0.38      (^[Y: $i] : refl((big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b))) <=> (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b))))),
% 0.12/0.38      inference(bind,[status(th)],[])).
% 0.12/0.38  tff(19,plain,
% 0.12/0.38      (![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b))) <=> ![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.38      inference(quant_intro,[status(thm)],[18])).
% 0.12/0.38  tff(20,plain,
% 0.12/0.38      (![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b))) <=> ![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.38      inference(rewrite,[status(thm)],[])).
% 0.12/0.38  tff(21,plain,
% 0.12/0.38      (^[Y: $i] : trans(monotonicity(rewrite((big_f(a, f(a)) | (~big_f(Y, b))) <=> (big_f(a, f(a)) | (~big_f(Y, b)))), (((big_f(a, f(a)) | (~big_f(Y, b))) | big_f(Y, f(a))) <=> ((big_f(a, f(a)) | (~big_f(Y, b))) | big_f(Y, f(a))))), rewrite(((big_f(a, f(a)) | (~big_f(Y, b))) | big_f(Y, f(a))) <=> (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))), (((big_f(a, f(a)) | (~big_f(Y, b))) | big_f(Y, f(a))) <=> (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))))),
% 0.12/0.38      inference(bind,[status(th)],[])).
% 0.12/0.39  tff(22,plain,
% 0.12/0.39      (![Y: $i] : ((big_f(a, f(a)) | (~big_f(Y, b))) | big_f(Y, f(a))) <=> ![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.39      inference(quant_intro,[status(thm)],[21])).
% 0.12/0.39  tff(23,axiom,(![Y: $i] : ((big_f(a, f(a)) | (~big_f(Y, b))) | big_f(Y, f(a)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','clause_1')).
% 0.12/0.39  tff(24,plain,
% 0.12/0.39      (![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[23, 22])).
% 0.12/0.39  tff(25,plain,
% 0.12/0.39      (![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[24, 20])).
% 0.12/0.39  tff(26,plain,(
% 0.12/0.39      ![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.39      inference(skolemize,[status(sab)],[25])).
% 0.12/0.39  tff(27,plain,
% 0.12/0.39      (![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[26, 19])).
% 0.12/0.39  tff(28,plain,
% 0.12/0.39      (((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | (big_f(a, f(a)) | (~big_f(a, b)))) <=> ((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | big_f(a, f(a)) | (~big_f(a, b)))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(29,plain,
% 0.12/0.39      ((big_f(a, f(a)) | big_f(a, f(a)) | (~big_f(a, b))) <=> (big_f(a, f(a)) | (~big_f(a, b)))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(30,plain,
% 0.12/0.39      (((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | (big_f(a, f(a)) | big_f(a, f(a)) | (~big_f(a, b)))) <=> ((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | (big_f(a, f(a)) | (~big_f(a, b))))),
% 0.12/0.39      inference(monotonicity,[status(thm)],[29])).
% 0.12/0.39  tff(31,plain,
% 0.12/0.39      (((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | (big_f(a, f(a)) | big_f(a, f(a)) | (~big_f(a, b)))) <=> ((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | big_f(a, f(a)) | (~big_f(a, b)))),
% 0.12/0.39      inference(transitivity,[status(thm)],[30, 28])).
% 0.12/0.39  tff(32,plain,
% 0.12/0.39      ((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | (big_f(a, f(a)) | big_f(a, f(a)) | (~big_f(a, b)))),
% 0.12/0.39      inference(quant_inst,[status(thm)],[])).
% 0.12/0.39  tff(33,plain,
% 0.12/0.39      ((~![Y: $i] : (big_f(a, f(a)) | big_f(Y, f(a)) | (~big_f(Y, b)))) | big_f(a, f(a)) | (~big_f(a, b))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[32, 31])).
% 0.12/0.39  tff(34,plain,
% 0.12/0.39      ($false),
% 0.12/0.39      inference(unit_resolution,[status(thm)],[33, 27, 17, 11])).
% 0.12/0.39  tff(35,plain,(big_f(a, f(a))), inference(lemma,lemma(discharge,[]))).
% 0.12/0.39  tff(36,plain,
% 0.12/0.39      (((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | ((~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))) <=> ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(37,plain,
% 0.12/0.39      (((~big_f(a, f(a))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a)))) <=> ((~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(38,plain,
% 0.12/0.39      (((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | ((~big_f(a, f(a))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))) <=> ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | ((~big_f(a, f(a))) | (~big_f(g(f(a)), f(a)))))),
% 0.12/0.39      inference(monotonicity,[status(thm)],[37])).
% 0.12/0.39  tff(39,plain,
% 0.12/0.39      (((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | ((~big_f(a, f(a))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))) <=> ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))),
% 0.12/0.39      inference(transitivity,[status(thm)],[38, 36])).
% 0.12/0.39  tff(40,plain,
% 0.12/0.39      ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | ((~big_f(a, f(a))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a))))),
% 0.12/0.39      inference(quant_inst,[status(thm)],[])).
% 0.12/0.39  tff(41,plain,
% 0.12/0.39      ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | (~big_f(g(X), X)))) | (~big_f(a, f(a))) | (~big_f(g(f(a)), f(a)))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[40, 39])).
% 0.12/0.39  tff(42,plain,
% 0.12/0.39      (~big_f(g(f(a)), f(a))),
% 0.12/0.39      inference(unit_resolution,[status(thm)],[41, 35, 10])).
% 0.12/0.39  tff(43,plain,
% 0.12/0.39      (^[X: $i] : refl(((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X)) <=> ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X)))),
% 0.12/0.39      inference(bind,[status(th)],[])).
% 0.12/0.39  tff(44,plain,
% 0.12/0.39      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X)) <=> ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(quant_intro,[status(thm)],[43])).
% 0.12/0.39  tff(45,plain,
% 0.12/0.39      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X)) <=> ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(46,plain,
% 0.12/0.39      (^[X: $i] : trans(monotonicity(rewrite((big_f(g(X), X) | (~big_f(a, X))) <=> ((~big_f(a, X)) | big_f(g(X), X))), (((big_f(g(X), X) | (~big_f(a, X))) | (~big_f(a, f(a)))) <=> (((~big_f(a, X)) | big_f(g(X), X)) | (~big_f(a, f(a)))))), rewrite((((~big_f(a, X)) | big_f(g(X), X)) | (~big_f(a, f(a)))) <=> ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))), (((big_f(g(X), X) | (~big_f(a, X))) | (~big_f(a, f(a)))) <=> ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))))),
% 0.12/0.39      inference(bind,[status(th)],[])).
% 0.12/0.39  tff(47,plain,
% 0.12/0.39      (![X: $i] : ((big_f(g(X), X) | (~big_f(a, X))) | (~big_f(a, f(a)))) <=> ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(quant_intro,[status(thm)],[46])).
% 0.12/0.39  tff(48,axiom,(![X: $i] : ((big_f(g(X), X) | (~big_f(a, X))) | (~big_f(a, f(a))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','clause_5')).
% 0.12/0.39  tff(49,plain,
% 0.12/0.39      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[48, 47])).
% 0.12/0.39  tff(50,plain,
% 0.12/0.39      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[49, 45])).
% 0.12/0.39  tff(51,plain,(
% 0.12/0.39      ![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(skolemize,[status(sab)],[50])).
% 0.12/0.39  tff(52,plain,
% 0.12/0.39      (![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[51, 44])).
% 0.12/0.39  tff(53,plain,
% 0.12/0.39      (((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | ((~big_f(a, f(a))) | big_f(g(f(a)), f(a)))) <=> ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a)))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(54,plain,
% 0.12/0.39      (((~big_f(a, f(a))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a))) <=> ((~big_f(a, f(a))) | big_f(g(f(a)), f(a)))),
% 0.12/0.39      inference(rewrite,[status(thm)],[])).
% 0.12/0.39  tff(55,plain,
% 0.12/0.39      (((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | ((~big_f(a, f(a))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a)))) <=> ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | ((~big_f(a, f(a))) | big_f(g(f(a)), f(a))))),
% 0.12/0.39      inference(monotonicity,[status(thm)],[54])).
% 0.12/0.39  tff(56,plain,
% 0.12/0.39      (((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | ((~big_f(a, f(a))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a)))) <=> ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a)))),
% 0.12/0.39      inference(transitivity,[status(thm)],[55, 53])).
% 0.12/0.39  tff(57,plain,
% 0.12/0.39      ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | ((~big_f(a, f(a))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a)))),
% 0.12/0.39      inference(quant_inst,[status(thm)],[])).
% 0.12/0.39  tff(58,plain,
% 0.12/0.39      ((~![X: $i] : ((~big_f(a, f(a))) | (~big_f(a, X)) | big_f(g(X), X))) | (~big_f(a, f(a))) | big_f(g(f(a)), f(a))),
% 0.12/0.39      inference(modus_ponens,[status(thm)],[57, 56])).
% 0.12/0.39  tff(59,plain,
% 0.12/0.39      ($false),
% 0.12/0.39      inference(unit_resolution,[status(thm)],[58, 35, 52, 42])).
% 0.12/0.39  % SZS output end Proof
%------------------------------------------------------------------------------