TSTP Solution File: PUZ026-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : PUZ026-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n017.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 : Sun Sep 18 14:10:55 EDT 2022

% Result   : Unsatisfiable 0.19s 0.39s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : PUZ026-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n017.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 : Fri Sep  2 17:44:38 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.
% 0.19/0.39  % SZS status Unsatisfiable
% 0.19/0.39  % SZS output start Proof
% 0.19/0.39  tff(a_truth_type, type, (
% 0.19/0.39     a_truth: $i > $o)).
% 0.19/0.39  tff(truthteller_type, type, (
% 0.19/0.39     truthteller: $i > $i)).
% 0.19/0.39  tff(b_type, type, (
% 0.19/0.39     b: $i)).
% 0.19/0.39  tff(normal_type, type, (
% 0.19/0.39     normal: $i > $i)).
% 0.19/0.39  tff(a_type, type, (
% 0.19/0.39     a: $i)).
% 0.19/0.39  tff(c_type, type, (
% 0.19/0.39     c: $i)).
% 0.19/0.39  tff(liar_type, type, (
% 0.19/0.39     liar: $i > $i)).
% 0.19/0.39  tff(says_type, type, (
% 0.19/0.39     says: ( $i * $i ) > $i)).
% 0.19/0.39  tff(people_type, type, (
% 0.19/0.39     people: ( $i * $i * $i ) > $o)).
% 0.19/0.39  tff(not_normal_type, type, (
% 0.19/0.39     not_normal: $i > $i)).
% 0.19/0.39  tff(1,assumption,(~a_truth(normal(a))), introduced(assumption)).
% 0.19/0.39  tff(2,plain,
% 0.19/0.39      (a_truth(says(a, normal(a))) <=> a_truth(says(a, normal(a)))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(3,axiom,(a_truth(says(a, normal(a)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','a_says_a_normal')).
% 0.19/0.39  tff(4,plain,
% 0.19/0.39      (a_truth(says(a, normal(a)))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[3, 2])).
% 0.19/0.39  tff(5,plain,
% 0.19/0.39      (^[Y: $i, X: $i] : refl((a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y))) <=> (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y))))),
% 0.19/0.39      inference(bind,[status(th)],[])).
% 0.19/0.39  tff(6,plain,
% 0.19/0.39      (![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y))) <=> ![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(quant_intro,[status(thm)],[5])).
% 0.19/0.39  tff(7,plain,
% 0.19/0.39      (![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y))) <=> ![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(8,plain,
% 0.19/0.39      (^[Y: $i, X: $i] : trans(monotonicity(rewrite(((a_truth(X) | (~a_truth(says(Y, X)))) | a_truth(liar(Y))) <=> ((~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))), ((((a_truth(X) | (~a_truth(says(Y, X)))) | a_truth(liar(Y))) | a_truth(normal(Y))) <=> (((~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y))) | a_truth(normal(Y))))), rewrite((((~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y))) | a_truth(normal(Y))) <=> (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))), ((((a_truth(X) | (~a_truth(says(Y, X)))) | a_truth(liar(Y))) | a_truth(normal(Y))) <=> (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))))),
% 0.19/0.39      inference(bind,[status(th)],[])).
% 0.19/0.39  tff(9,plain,
% 0.19/0.39      (![Y: $i, X: $i] : (((a_truth(X) | (~a_truth(says(Y, X)))) | a_truth(liar(Y))) | a_truth(normal(Y))) <=> ![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(quant_intro,[status(thm)],[8])).
% 0.19/0.39  tff(10,axiom,(![Y: $i, X: $i] : (((a_truth(X) | (~a_truth(says(Y, X)))) | a_truth(liar(Y))) | a_truth(normal(Y)))), file('/export/starexec/sandbox2/benchmark/Axioms/PUZ003-0.ax','liars_and_normal_lie')).
% 0.19/0.39  tff(11,plain,
% 0.19/0.39      (![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[10, 9])).
% 0.19/0.39  tff(12,plain,
% 0.19/0.39      (![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[11, 7])).
% 0.19/0.39  tff(13,plain,(
% 0.19/0.39      ![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(skolemize,[status(sab)],[12])).
% 0.19/0.39  tff(14,plain,
% 0.19/0.39      (![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[13, 6])).
% 0.19/0.39  tff(15,plain,
% 0.19/0.39      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | a_truth(liar(a)) | (~a_truth(says(a, normal(a)))))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(a)) | a_truth(liar(a)) | (~a_truth(says(a, normal(a)))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(16,plain,
% 0.19/0.39      ((a_truth(normal(a)) | (~a_truth(says(a, normal(a)))) | a_truth(normal(a)) | a_truth(liar(a))) <=> (a_truth(normal(a)) | a_truth(liar(a)) | (~a_truth(says(a, normal(a)))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(17,plain,
% 0.19/0.40      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | (~a_truth(says(a, normal(a)))) | a_truth(normal(a)) | a_truth(liar(a)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | a_truth(liar(a)) | (~a_truth(says(a, normal(a))))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[16])).
% 0.19/0.40  tff(18,plain,
% 0.19/0.40      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | (~a_truth(says(a, normal(a)))) | a_truth(normal(a)) | a_truth(liar(a)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(a)) | a_truth(liar(a)) | (~a_truth(says(a, normal(a)))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[17, 15])).
% 0.19/0.40  tff(19,plain,
% 0.19/0.40      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | (~a_truth(says(a, normal(a)))) | a_truth(normal(a)) | a_truth(liar(a)))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(20,plain,
% 0.19/0.40      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(a)) | a_truth(liar(a)) | (~a_truth(says(a, normal(a))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[19, 18])).
% 0.19/0.40  tff(21,plain,
% 0.19/0.40      (a_truth(normal(a)) | a_truth(liar(a))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[20, 14, 4])).
% 0.19/0.40  tff(22,plain,
% 0.19/0.40      (a_truth(liar(a))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[21, 1])).
% 0.19/0.40  tff(23,plain,
% 0.19/0.40      (people(a, b, c) <=> people(a, b, c)),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(24,axiom,(people(a, b, c)), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','a_b_c_are_people')).
% 0.19/0.40  tff(25,plain,
% 0.19/0.40      (people(a, b, c)),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[24, 23])).
% 0.19/0.40  tff(26,plain,
% 0.19/0.40      (^[Z: $i, Y: $i, X: $i] : refl(((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y)))) <=> ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y)))))),
% 0.19/0.40      inference(bind,[status(th)],[])).
% 0.19/0.40  tff(27,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(quant_intro,[status(thm)],[26])).
% 0.19/0.40  tff(28,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(29,plain,
% 0.19/0.40      (^[Z: $i, Y: $i, X: $i] : rewrite((((~people(X, Y, Z)) | (~a_truth(liar(X)))) | (~a_truth(liar(Y)))) <=> ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y)))))),
% 0.19/0.40      inference(bind,[status(th)],[])).
% 0.19/0.40  tff(30,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(liar(X)))) | (~a_truth(liar(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(quant_intro,[status(thm)],[29])).
% 0.19/0.40  tff(31,axiom,(![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(liar(X)))) | (~a_truth(liar(Y))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','not_two_liars1')).
% 0.19/0.40  tff(32,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[31, 30])).
% 0.19/0.40  tff(33,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[32, 28])).
% 0.19/0.40  tff(34,plain,(
% 0.19/0.40      ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(skolemize,[status(sab)],[33])).
% 0.19/0.40  tff(35,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[34, 27])).
% 0.19/0.40  tff(36,plain,
% 0.19/0.40      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | ((~a_truth(liar(a))) | (~a_truth(liar(b))) | (~people(a, b, c)))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | (~a_truth(liar(a))) | (~a_truth(liar(b))) | (~people(a, b, c)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(37,plain,
% 0.19/0.40      (((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(b)))) <=> ((~a_truth(liar(a))) | (~a_truth(liar(b))) | (~people(a, b, c)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(38,plain,
% 0.19/0.40      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | ((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(b))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | ((~a_truth(liar(a))) | (~a_truth(liar(b))) | (~people(a, b, c))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[37])).
% 0.19/0.40  tff(39,plain,
% 0.19/0.40      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | ((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(b))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | (~a_truth(liar(a))) | (~a_truth(liar(b))) | (~people(a, b, c)))),
% 0.19/0.40      inference(transitivity,[status(thm)],[38, 36])).
% 0.19/0.40  tff(40,plain,
% 0.19/0.40      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | ((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(b))))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(41,plain,
% 0.19/0.40      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Y))))) | (~a_truth(liar(a))) | (~a_truth(liar(b))) | (~people(a, b, c))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[40, 39])).
% 0.19/0.40  tff(42,plain,
% 0.19/0.40      ((~a_truth(liar(a))) | (~a_truth(liar(b)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[41, 35, 25])).
% 0.19/0.40  tff(43,plain,
% 0.19/0.40      (~a_truth(liar(b))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[42, 22])).
% 0.19/0.40  tff(44,plain,
% 0.19/0.40      (a_truth(says(b, normal(a))) <=> a_truth(says(b, normal(a)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(45,axiom,(a_truth(says(b, normal(a)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','b_says_a_normal')).
% 0.19/0.40  tff(46,plain,
% 0.19/0.40      (a_truth(says(b, normal(a)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[45, 44])).
% 0.19/0.40  tff(47,plain,
% 0.19/0.40      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(liar(b)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(a)) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(liar(b)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(48,plain,
% 0.19/0.40      ((a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(normal(a)) | a_truth(liar(b))) <=> (a_truth(normal(a)) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(liar(b)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(49,plain,
% 0.19/0.40      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(normal(a)) | a_truth(liar(b)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(a)) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(liar(b))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[48])).
% 0.19/0.40  tff(50,plain,
% 0.19/0.40      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(normal(a)) | a_truth(liar(b)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(a)) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(liar(b)))),
% 0.19/0.40      inference(transitivity,[status(thm)],[49, 47])).
% 0.19/0.40  tff(51,plain,
% 0.19/0.40      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(normal(a)) | a_truth(liar(b)))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(52,plain,
% 0.19/0.40      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(a)) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(liar(b))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[51, 50])).
% 0.19/0.40  tff(53,plain,
% 0.19/0.40      (a_truth(normal(a)) | a_truth(normal(b)) | a_truth(liar(b))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[52, 14, 46])).
% 0.19/0.40  tff(54,plain,
% 0.19/0.40      (a_truth(normal(b))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[53, 43, 1])).
% 0.19/0.40  tff(55,plain,
% 0.19/0.40      (people(b, c, a) <=> people(b, c, a)),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(56,axiom,(people(b, c, a)), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','b_c_a_are_people')).
% 0.19/0.40  tff(57,plain,
% 0.19/0.40      (people(b, c, a)),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[56, 55])).
% 0.19/0.40  tff(58,plain,
% 0.19/0.40      (^[Z: $i, Y: $i, X: $i] : refl(((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y)))) <=> ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y)))))),
% 0.19/0.40      inference(bind,[status(th)],[])).
% 0.19/0.40  tff(59,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(quant_intro,[status(thm)],[58])).
% 0.19/0.40  tff(60,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(61,plain,
% 0.19/0.40      (^[Z: $i, Y: $i, X: $i] : rewrite((((~people(X, Y, Z)) | (~a_truth(normal(X)))) | (~a_truth(normal(Y)))) <=> ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y)))))),
% 0.19/0.40      inference(bind,[status(th)],[])).
% 0.19/0.40  tff(62,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(normal(X)))) | (~a_truth(normal(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(quant_intro,[status(thm)],[61])).
% 0.19/0.40  tff(63,axiom,(![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(normal(X)))) | (~a_truth(normal(Y))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','not_two_normal1')).
% 0.19/0.40  tff(64,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[63, 62])).
% 0.19/0.40  tff(65,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[64, 60])).
% 0.19/0.40  tff(66,plain,(
% 0.19/0.40      ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(skolemize,[status(sab)],[65])).
% 0.19/0.40  tff(67,plain,
% 0.19/0.40      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[66, 59])).
% 0.19/0.40  tff(68,plain,
% 0.19/0.40      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(c))) | (~a_truth(normal(b))) | (~people(b, c, a)))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | (~a_truth(normal(c))) | (~a_truth(normal(b))) | (~people(b, c, a)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(69,plain,
% 0.19/0.40      (((~a_truth(normal(b))) | (~people(b, c, a)) | (~a_truth(normal(c)))) <=> ((~a_truth(normal(c))) | (~a_truth(normal(b))) | (~people(b, c, a)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(70,plain,
% 0.19/0.40      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(b))) | (~people(b, c, a)) | (~a_truth(normal(c))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(c))) | (~a_truth(normal(b))) | (~people(b, c, a))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[69])).
% 0.19/0.41  tff(71,plain,
% 0.19/0.41      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(b))) | (~people(b, c, a)) | (~a_truth(normal(c))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | (~a_truth(normal(c))) | (~a_truth(normal(b))) | (~people(b, c, a)))),
% 0.19/0.41      inference(transitivity,[status(thm)],[70, 68])).
% 0.19/0.41  tff(72,plain,
% 0.19/0.41      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(b))) | (~people(b, c, a)) | (~a_truth(normal(c))))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(73,plain,
% 0.19/0.41      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | (~a_truth(normal(c))) | (~a_truth(normal(b))) | (~people(b, c, a))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[72, 71])).
% 0.19/0.41  tff(74,plain,
% 0.19/0.41      ((~a_truth(normal(c))) | (~a_truth(normal(b)))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[73, 67, 57])).
% 0.19/0.41  tff(75,plain,
% 0.19/0.41      (~a_truth(normal(c))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[74, 54])).
% 0.19/0.41  tff(76,plain,
% 0.19/0.41      (^[Z: $i, Y: $i, X: $i] : refl(((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z)))) <=> ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z)))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(77,plain,
% 0.19/0.41      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[76])).
% 0.19/0.41  tff(78,plain,
% 0.19/0.41      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(79,plain,
% 0.19/0.41      (^[Z: $i, Y: $i, X: $i] : rewrite((((~people(X, Y, Z)) | (~a_truth(liar(X)))) | (~a_truth(liar(Z)))) <=> ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z)))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(80,plain,
% 0.19/0.41      (![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(liar(X)))) | (~a_truth(liar(Z)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[79])).
% 0.19/0.41  tff(81,axiom,(![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(liar(X)))) | (~a_truth(liar(Z))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','not_two_liars2')).
% 0.19/0.41  tff(82,plain,
% 0.19/0.41      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[81, 80])).
% 0.19/0.41  tff(83,plain,
% 0.19/0.41      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[82, 78])).
% 0.19/0.41  tff(84,plain,(
% 0.19/0.41      ![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(skolemize,[status(sab)],[83])).
% 0.19/0.41  tff(85,plain,
% 0.19/0.41      (![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[84, 77])).
% 0.19/0.41  tff(86,plain,
% 0.19/0.41      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | ((~a_truth(liar(a))) | (~a_truth(liar(c))) | (~people(a, b, c)))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | (~a_truth(liar(a))) | (~a_truth(liar(c))) | (~people(a, b, c)))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(87,plain,
% 0.19/0.41      (((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(c)))) <=> ((~a_truth(liar(a))) | (~a_truth(liar(c))) | (~people(a, b, c)))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(88,plain,
% 0.19/0.41      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | ((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(c))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | ((~a_truth(liar(a))) | (~a_truth(liar(c))) | (~people(a, b, c))))),
% 0.19/0.41      inference(monotonicity,[status(thm)],[87])).
% 0.19/0.41  tff(89,plain,
% 0.19/0.41      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | ((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(c))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | (~a_truth(liar(a))) | (~a_truth(liar(c))) | (~people(a, b, c)))),
% 0.19/0.41      inference(transitivity,[status(thm)],[88, 86])).
% 0.19/0.41  tff(90,plain,
% 0.19/0.41      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | ((~a_truth(liar(a))) | (~people(a, b, c)) | (~a_truth(liar(c))))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(91,plain,
% 0.19/0.41      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(liar(X))) | (~people(X, Y, Z)) | (~a_truth(liar(Z))))) | (~a_truth(liar(a))) | (~a_truth(liar(c))) | (~people(a, b, c))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[90, 89])).
% 0.19/0.41  tff(92,plain,
% 0.19/0.41      ((~a_truth(liar(a))) | (~a_truth(liar(c)))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[91, 85, 25])).
% 0.19/0.41  tff(93,plain,
% 0.19/0.41      (~a_truth(liar(c))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[92, 22])).
% 0.19/0.41  tff(94,plain,
% 0.19/0.41      (a_truth(says(c, not_normal(c))) <=> a_truth(says(c, not_normal(c)))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(95,axiom,(a_truth(says(c, not_normal(c)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','c_says_c_not_normal')).
% 0.19/0.41  tff(96,plain,
% 0.19/0.41      (a_truth(says(c, not_normal(c)))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[95, 94])).
% 0.19/0.41  tff(97,plain,
% 0.19/0.41      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(not_normal(c)) | a_truth(liar(c)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(not_normal(c)) | a_truth(liar(c)))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(98,plain,
% 0.19/0.41      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | (a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(not_normal(c)) | a_truth(liar(c)))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(99,plain,
% 0.19/0.41      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | (~a_truth(says(Y, X))) | a_truth(X) | a_truth(liar(Y)))) | a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(not_normal(c)) | a_truth(liar(c))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[98, 97])).
% 0.19/0.41  tff(100,plain,
% 0.19/0.41      (a_truth(normal(c)) | a_truth(not_normal(c)) | a_truth(liar(c))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[99, 14, 96])).
% 0.19/0.41  tff(101,plain,
% 0.19/0.41      (a_truth(not_normal(c))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[100, 75, 93])).
% 0.19/0.41  tff(102,plain,
% 0.19/0.41      (^[Y: $i, X: $i] : refl((a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X))) <=> (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(103,plain,
% 0.19/0.41      (![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X))) <=> ![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[102])).
% 0.19/0.41  tff(104,plain,
% 0.19/0.41      (![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X))) <=> ![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(105,plain,
% 0.19/0.41      (^[Y: $i, X: $i] : trans(monotonicity(rewrite((((~a_truth(X)) | (~a_truth(says(Y, X)))) | a_truth(truthteller(Y))) <=> (a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))), (((((~a_truth(X)) | (~a_truth(says(Y, X)))) | a_truth(truthteller(Y))) | a_truth(normal(Y))) <=> ((a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X))) | a_truth(normal(Y))))), rewrite(((a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X))) | a_truth(normal(Y))) <=> (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))), (((((~a_truth(X)) | (~a_truth(says(Y, X)))) | a_truth(truthteller(Y))) | a_truth(normal(Y))) <=> (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(106,plain,
% 0.19/0.41      (![Y: $i, X: $i] : ((((~a_truth(X)) | (~a_truth(says(Y, X)))) | a_truth(truthteller(Y))) | a_truth(normal(Y))) <=> ![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[105])).
% 0.19/0.41  tff(107,axiom,(![Y: $i, X: $i] : ((((~a_truth(X)) | (~a_truth(says(Y, X)))) | a_truth(truthteller(Y))) | a_truth(normal(Y)))), file('/export/starexec/sandbox2/benchmark/Axioms/PUZ003-0.ax','truthtellers_and_normal_tell_truth')).
% 0.19/0.41  tff(108,plain,
% 0.19/0.41      (![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[107, 106])).
% 0.19/0.41  tff(109,plain,
% 0.19/0.41      (![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[108, 104])).
% 0.19/0.41  tff(110,plain,(
% 0.19/0.41      ![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(skolemize,[status(sab)],[109])).
% 0.19/0.41  tff(111,plain,
% 0.19/0.41      (![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[110, 103])).
% 0.19/0.41  tff(112,plain,
% 0.19/0.41      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(truthteller(c)) | (~a_truth(not_normal(c))))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(truthteller(c)) | (~a_truth(not_normal(c))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(113,plain,
% 0.19/0.41      ((a_truth(normal(c)) | a_truth(truthteller(c)) | (~a_truth(says(c, not_normal(c)))) | (~a_truth(not_normal(c)))) <=> (a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(truthteller(c)) | (~a_truth(not_normal(c))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(114,plain,
% 0.19/0.41      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(c)) | a_truth(truthteller(c)) | (~a_truth(says(c, not_normal(c)))) | (~a_truth(not_normal(c))))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(truthteller(c)) | (~a_truth(not_normal(c)))))),
% 0.19/0.41      inference(monotonicity,[status(thm)],[113])).
% 0.19/0.41  tff(115,plain,
% 0.19/0.41      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(c)) | a_truth(truthteller(c)) | (~a_truth(says(c, not_normal(c)))) | (~a_truth(not_normal(c))))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(truthteller(c)) | (~a_truth(not_normal(c))))),
% 0.19/0.41      inference(transitivity,[status(thm)],[114, 112])).
% 0.19/0.41  tff(116,plain,
% 0.19/0.41      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(c)) | a_truth(truthteller(c)) | (~a_truth(says(c, not_normal(c)))) | (~a_truth(not_normal(c))))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(117,plain,
% 0.19/0.41      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | a_truth(normal(c)) | (~a_truth(says(c, not_normal(c)))) | a_truth(truthteller(c)) | (~a_truth(not_normal(c)))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[116, 115])).
% 0.19/0.41  tff(118,plain,
% 0.19/0.41      (a_truth(normal(c)) | a_truth(truthteller(c)) | (~a_truth(not_normal(c)))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[117, 111, 96])).
% 0.19/0.41  tff(119,plain,
% 0.19/0.41      (a_truth(truthteller(c))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[118, 101, 75])).
% 0.19/0.41  tff(120,plain,
% 0.19/0.41      (^[Liar: $i, Truthteller: $i, Normal: $i] : refl(((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar)))) <=> ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar)))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(121,plain,
% 0.19/0.41      (![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar)))) <=> ![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[120])).
% 0.19/0.41  tff(122,plain,
% 0.19/0.41      (![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar)))) <=> ![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(123,plain,
% 0.19/0.41      (^[Liar: $i, Truthteller: $i, Normal: $i] : rewrite((((~a_truth(liar(Liar))) | (~a_truth(normal(Normal)))) | (~a_truth(truthteller(Truthteller)))) <=> ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar)))))),
% 0.19/0.41      inference(bind,[status(th)],[])).
% 0.19/0.41  tff(124,plain,
% 0.19/0.41      (![Liar: $i, Truthteller: $i, Normal: $i] : (((~a_truth(liar(Liar))) | (~a_truth(normal(Normal)))) | (~a_truth(truthteller(Truthteller)))) <=> ![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(quant_intro,[status(thm)],[123])).
% 0.19/0.41  tff(125,axiom,(![Liar: $i, Truthteller: $i, Normal: $i] : (((~a_truth(liar(Liar))) | (~a_truth(normal(Normal)))) | (~a_truth(truthteller(Truthteller))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','prove_one_of_each')).
% 0.19/0.41  tff(126,plain,
% 0.19/0.41      (![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[125, 124])).
% 0.19/0.41  tff(127,plain,
% 0.19/0.41      (![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[126, 122])).
% 0.19/0.41  tff(128,plain,(
% 0.19/0.41      ![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(skolemize,[status(sab)],[127])).
% 0.19/0.41  tff(129,plain,
% 0.19/0.41      (![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[128, 121])).
% 0.19/0.41  tff(130,plain,
% 0.19/0.41      (((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | ((~a_truth(liar(a))) | (~a_truth(truthteller(c))) | (~a_truth(normal(b))))) <=> ((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | (~a_truth(liar(a))) | (~a_truth(truthteller(c))) | (~a_truth(normal(b))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(131,plain,
% 0.19/0.41      (((~a_truth(normal(b))) | (~a_truth(truthteller(c))) | (~a_truth(liar(a)))) <=> ((~a_truth(liar(a))) | (~a_truth(truthteller(c))) | (~a_truth(normal(b))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(132,plain,
% 0.19/0.41      (((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | ((~a_truth(normal(b))) | (~a_truth(truthteller(c))) | (~a_truth(liar(a))))) <=> ((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | ((~a_truth(liar(a))) | (~a_truth(truthteller(c))) | (~a_truth(normal(b)))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[131])).
% 0.19/0.42  tff(133,plain,
% 0.19/0.42      (((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | ((~a_truth(normal(b))) | (~a_truth(truthteller(c))) | (~a_truth(liar(a))))) <=> ((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | (~a_truth(liar(a))) | (~a_truth(truthteller(c))) | (~a_truth(normal(b))))),
% 0.19/0.42      inference(transitivity,[status(thm)],[132, 130])).
% 0.19/0.42  tff(134,plain,
% 0.19/0.42      ((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | ((~a_truth(normal(b))) | (~a_truth(truthteller(c))) | (~a_truth(liar(a))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(135,plain,
% 0.19/0.42      ((~![Liar: $i, Truthteller: $i, Normal: $i] : ((~a_truth(normal(Normal))) | (~a_truth(truthteller(Truthteller))) | (~a_truth(liar(Liar))))) | (~a_truth(liar(a))) | (~a_truth(truthteller(c))) | (~a_truth(normal(b)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[134, 133])).
% 0.19/0.42  tff(136,plain,
% 0.19/0.42      ($false),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[135, 129, 22, 54, 119])).
% 0.19/0.42  tff(137,plain,(a_truth(normal(a))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.42  tff(138,plain,
% 0.19/0.42      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(b))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | (~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(b))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(139,plain,
% 0.19/0.42      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | ((~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(b))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(140,plain,
% 0.19/0.42      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Y))))) | (~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(b)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[139, 138])).
% 0.19/0.42  tff(141,plain,
% 0.19/0.42      ((~a_truth(normal(a))) | (~a_truth(normal(b)))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[140, 67, 25])).
% 0.19/0.42  tff(142,plain,
% 0.19/0.42      (~a_truth(normal(b))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[141, 137])).
% 0.19/0.42  tff(143,plain,
% 0.19/0.42      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | ((~a_truth(normal(a))) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(truthteller(b)))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (~a_truth(normal(a))) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(truthteller(b)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(144,plain,
% 0.19/0.42      ((a_truth(normal(b)) | a_truth(truthteller(b)) | (~a_truth(says(b, normal(a)))) | (~a_truth(normal(a)))) <=> ((~a_truth(normal(a))) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(truthteller(b)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(145,plain,
% 0.19/0.42      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(b)) | a_truth(truthteller(b)) | (~a_truth(says(b, normal(a)))) | (~a_truth(normal(a))))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | ((~a_truth(normal(a))) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(truthteller(b))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[144])).
% 0.19/0.42  tff(146,plain,
% 0.19/0.42      (((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(b)) | a_truth(truthteller(b)) | (~a_truth(says(b, normal(a)))) | (~a_truth(normal(a))))) <=> ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (~a_truth(normal(a))) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(truthteller(b)))),
% 0.19/0.42      inference(transitivity,[status(thm)],[145, 143])).
% 0.19/0.42  tff(147,plain,
% 0.19/0.42      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (a_truth(normal(b)) | a_truth(truthteller(b)) | (~a_truth(says(b, normal(a)))) | (~a_truth(normal(a))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(148,plain,
% 0.19/0.42      ((~![Y: $i, X: $i] : (a_truth(normal(Y)) | a_truth(truthteller(Y)) | (~a_truth(says(Y, X))) | (~a_truth(X)))) | (~a_truth(normal(a))) | a_truth(normal(b)) | (~a_truth(says(b, normal(a)))) | a_truth(truthteller(b))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[147, 146])).
% 0.19/0.42  tff(149,plain,
% 0.19/0.42      ((~a_truth(normal(a))) | a_truth(normal(b)) | a_truth(truthteller(b))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[148, 111, 46])).
% 0.19/0.42  tff(150,plain,
% 0.19/0.42      (a_truth(truthteller(b))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[149, 142, 137])).
% 0.19/0.42  tff(151,plain,
% 0.19/0.42      (^[Z: $i, Y: $i, X: $i] : refl(((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z)))) <=> ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z)))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(152,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[151])).
% 0.19/0.42  tff(153,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(154,plain,
% 0.19/0.42      (^[Z: $i, Y: $i, X: $i] : rewrite((((~people(X, Y, Z)) | (~a_truth(normal(X)))) | (~a_truth(normal(Z)))) <=> ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z)))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(155,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(normal(X)))) | (~a_truth(normal(Z)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[154])).
% 0.19/0.42  tff(156,axiom,(![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(normal(X)))) | (~a_truth(normal(Z))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','not_two_normal2')).
% 0.19/0.42  tff(157,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[156, 155])).
% 0.19/0.42  tff(158,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[157, 153])).
% 0.19/0.42  tff(159,plain,(
% 0.19/0.42      ![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(skolemize,[status(sab)],[158])).
% 0.19/0.42  tff(160,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[159, 152])).
% 0.19/0.42  tff(161,plain,
% 0.19/0.42      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | ((~a_truth(normal(a))) | (~a_truth(normal(c))) | (~people(a, b, c)))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | (~a_truth(normal(a))) | (~a_truth(normal(c))) | (~people(a, b, c)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(162,plain,
% 0.19/0.42      (((~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(c)))) <=> ((~a_truth(normal(a))) | (~a_truth(normal(c))) | (~people(a, b, c)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(163,plain,
% 0.19/0.42      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | ((~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(c))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | ((~a_truth(normal(a))) | (~a_truth(normal(c))) | (~people(a, b, c))))),
% 0.19/0.42      inference(monotonicity,[status(thm)],[162])).
% 0.19/0.42  tff(164,plain,
% 0.19/0.42      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | ((~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(c))))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | (~a_truth(normal(a))) | (~a_truth(normal(c))) | (~people(a, b, c)))),
% 0.19/0.42      inference(transitivity,[status(thm)],[163, 161])).
% 0.19/0.42  tff(165,plain,
% 0.19/0.42      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | ((~a_truth(normal(a))) | (~people(a, b, c)) | (~a_truth(normal(c))))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(166,plain,
% 0.19/0.42      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(normal(X))) | (~people(X, Y, Z)) | (~a_truth(normal(Z))))) | (~a_truth(normal(a))) | (~a_truth(normal(c))) | (~people(a, b, c))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[165, 164])).
% 0.19/0.42  tff(167,plain,
% 0.19/0.42      ((~a_truth(normal(a))) | (~a_truth(normal(c)))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[166, 160, 25])).
% 0.19/0.42  tff(168,plain,
% 0.19/0.42      (~a_truth(normal(c))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[167, 137])).
% 0.19/0.42  tff(169,plain,
% 0.19/0.42      (^[X: $i] : refl((a_truth(normal(X)) | a_truth(not_normal(X))) <=> (a_truth(normal(X)) | a_truth(not_normal(X))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(170,plain,
% 0.19/0.42      (![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X))) <=> ![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[169])).
% 0.19/0.42  tff(171,plain,
% 0.19/0.42      (![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X))) <=> ![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(172,plain,
% 0.19/0.42      (^[X: $i] : rewrite((a_truth(not_normal(X)) | a_truth(normal(X))) <=> (a_truth(normal(X)) | a_truth(not_normal(X))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(173,plain,
% 0.19/0.42      (![X: $i] : (a_truth(not_normal(X)) | a_truth(normal(X))) <=> ![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[172])).
% 0.19/0.42  tff(174,axiom,(![X: $i] : (a_truth(not_normal(X)) | a_truth(normal(X)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','normal_or_not_normal')).
% 0.19/0.42  tff(175,plain,
% 0.19/0.42      (![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[174, 173])).
% 0.19/0.42  tff(176,plain,
% 0.19/0.42      (![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[175, 171])).
% 0.19/0.42  tff(177,plain,(
% 0.19/0.42      ![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(skolemize,[status(sab)],[176])).
% 0.19/0.42  tff(178,plain,
% 0.19/0.42      (![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[177, 170])).
% 0.19/0.42  tff(179,plain,
% 0.19/0.42      (((~![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))) | (a_truth(normal(c)) | a_truth(not_normal(c)))) <=> ((~![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))) | a_truth(normal(c)) | a_truth(not_normal(c)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(180,plain,
% 0.19/0.42      ((~![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))) | (a_truth(normal(c)) | a_truth(not_normal(c)))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(181,plain,
% 0.19/0.42      ((~![X: $i] : (a_truth(normal(X)) | a_truth(not_normal(X)))) | a_truth(normal(c)) | a_truth(not_normal(c))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[180, 179])).
% 0.19/0.42  tff(182,plain,
% 0.19/0.42      (a_truth(normal(c)) | a_truth(not_normal(c))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[181, 178])).
% 0.19/0.42  tff(183,plain,
% 0.19/0.42      (a_truth(not_normal(c))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[182, 168])).
% 0.19/0.42  tff(184,plain,
% 0.19/0.42      (a_truth(truthteller(c))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[118, 183, 168])).
% 0.19/0.42  tff(185,plain,
% 0.19/0.42      (^[Z: $i, Y: $i, X: $i] : refl(((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z))) <=> ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(186,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[185])).
% 0.19/0.42  tff(187,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(188,plain,
% 0.19/0.42      (^[Z: $i, Y: $i, X: $i] : rewrite((((~people(X, Y, Z)) | (~a_truth(truthteller(X)))) | (~a_truth(truthteller(Y)))) <=> ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z))))),
% 0.19/0.42      inference(bind,[status(th)],[])).
% 0.19/0.42  tff(189,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(truthteller(X)))) | (~a_truth(truthteller(Y)))) <=> ![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(quant_intro,[status(thm)],[188])).
% 0.19/0.42  tff(190,axiom,(![Z: $i, Y: $i, X: $i] : (((~people(X, Y, Z)) | (~a_truth(truthteller(X)))) | (~a_truth(truthteller(Y))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','not_two_truthtellers1')).
% 0.19/0.42  tff(191,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[190, 189])).
% 0.19/0.42  tff(192,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[191, 187])).
% 0.19/0.42  tff(193,plain,(
% 0.19/0.42      ![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(skolemize,[status(sab)],[192])).
% 0.19/0.42  tff(194,plain,
% 0.19/0.42      (![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[193, 186])).
% 0.19/0.42  tff(195,plain,
% 0.19/0.42      (((~![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))) | ((~a_truth(truthteller(b))) | (~a_truth(truthteller(c))) | (~people(b, c, a)))) <=> ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))) | (~a_truth(truthteller(b))) | (~a_truth(truthteller(c))) | (~people(b, c, a)))),
% 0.19/0.42      inference(rewrite,[status(thm)],[])).
% 0.19/0.42  tff(196,plain,
% 0.19/0.42      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))) | ((~a_truth(truthteller(b))) | (~a_truth(truthteller(c))) | (~people(b, c, a)))),
% 0.19/0.42      inference(quant_inst,[status(thm)],[])).
% 0.19/0.42  tff(197,plain,
% 0.19/0.42      ((~![Z: $i, Y: $i, X: $i] : ((~a_truth(truthteller(X))) | (~a_truth(truthteller(Y))) | (~people(X, Y, Z)))) | (~a_truth(truthteller(b))) | (~a_truth(truthteller(c))) | (~people(b, c, a))),
% 0.19/0.42      inference(modus_ponens,[status(thm)],[196, 195])).
% 0.19/0.42  tff(198,plain,
% 0.19/0.42      ((~a_truth(truthteller(b))) | (~a_truth(truthteller(c)))),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[197, 194, 57])).
% 0.19/0.42  tff(199,plain,
% 0.19/0.42      ($false),
% 0.19/0.42      inference(unit_resolution,[status(thm)],[198, 184, 150])).
% 0.19/0.42  % SZS output end Proof
%------------------------------------------------------------------------------