%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : LCL345-3 : TPTP v9.3.1. Released v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% Computer : n026.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sun Sep 27 07:51:33 AM UTC 2026
% Result : Unsatisfiable 18.46s 5.76s
% Output : Refutation 16.64s
% Verified :
% SZS Type : Refutation
% Derivation depth : 20
% Number of leaves : 11
% Syntax : Number of formulae : 98 ( 62 unt; 0 typ; 0 def)
% Number of atoms : 180 ( 67 equ; 0 cnn)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 1359 ( 88 ~; 50 |; 0 &;1221 @)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 14 ( 6 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 12 ( 9 usr; 4 con; 0-2 aty)
% Number of variables : 156 ( 0 ^; 156 !; 0 ?; 156 :)
% Comments :
%------------------------------------------------------------------------------
thf(theorem_decl,type,
theorem: $i > $o ).
thf(or_decl,type,
or: $i > $i > $i ).
thf(equivalent_decl,type,
equivalent: $i > $i > $i ).
thf(p_decl,type,
p: $i ).
thf(q_decl,type,
q: $i ).
thf(axiom_decl,type,
axiom: $i > $o ).
thf(implies_decl,type,
implies: $i > $i > $i ).
thf(not_decl,type,
not: $i > $i ).
thf(and_decl,type,
and: $i > $i > $i ).
thf(3,axiom,
! [B: $i,A: $i] : ( A @ ( B @ or ) @ ( A @ implies ) @ axiom ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_3) ).
thf(15,plain,
! [B: $i,A: $i] : ( A @ ( B @ or ) @ ( A @ implies ) @ axiom ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(7,axiom,
! [B: $i,A: $i] :
( ( B @ ( A @ implies ) )
= ( B @ ( A @ not @ or ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',implies_definition) ).
thf(19,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ implies ) )
= ( B @ ( A @ not @ or ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(20,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ implies ) )
= ( B @ ( A @ not @ or ) ) ),
inference(lifteq,[status(thm)],[19]) ).
thf(30,plain,
! [B: $i,A: $i] : ( A @ ( B @ or ) @ ( A @ not @ or ) @ axiom ),
inference(rewrite,[status(thm)],[15,20]) ).
thf(8,axiom,
! [A: $i] :
( ~ ( A @ axiom )
| ( A @ theorem ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rule_1) ).
thf(21,plain,
! [A: $i] :
( ~ ( A @ axiom )
| ( A @ theorem ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(22,plain,
! [A: $i] :
( ~ ( A @ axiom )
| ( A @ theorem ) ),
inference(cnf,[status(esa)],[21]) ).
thf(39,plain,
! [C: $i,B: $i,A: $i] :
( ( ( A @ ( B @ or ) @ ( A @ not @ or ) @ axiom )
!= ( C @ axiom ) )
| ~ $true
| ( C @ theorem ) ),
inference(paramod_ordered,[status(thm)],[30,22]) ).
thf(40,plain,
! [C: $i,B: $i,A: $i] :
( ( ( A @ ( B @ or ) @ ( A @ not @ or ) @ axiom )
!= ( C @ axiom ) )
| ( C @ theorem ) ),
inference(simp,[status(thm)],[39]) ).
thf(41,plain,
! [B: $i,A: $i] : ( B @ ( A @ or ) @ ( B @ not @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[40:[bind(A,$thf( H )),bind(B,$thf( G )),bind(C,$thf( H @ ( G @ or ) @ ( H @ not @ or ) ))]]) ).
thf(42,plain,
! [B: $i,A: $i] : ( B @ ( A @ or ) @ ( B @ not @ or ) @ theorem ),
inference(simp,[status(thm)],[41]) ).
thf(1,negated_conjecture,
~ ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this) ).
thf(12,plain,
~ ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).
thf(13,plain,
~ ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ),
inference(polarity_switch,[status(thm)],[12]) ).
thf(63,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ or ) @ ( B @ not @ or ) @ theorem )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) )
| ~ $true ),
inference(paramod_ordered,[status(thm)],[42,13]) ).
thf(64,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ or ) @ ( B @ not @ or ) @ theorem )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) ),
inference(simp,[status(thm)],[63]) ).
thf(74,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ or ) @ ( B @ not @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) ) ),
inference(simp,[status(thm)],[64]) ).
thf(153,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( B @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ) ),
inference(simp,[status(thm)],[74]) ).
thf(2,axiom,
! [A: $i] : ( A @ ( A @ ( A @ or ) @ implies ) @ axiom ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_2) ).
thf(14,plain,
! [A: $i] : ( A @ ( A @ ( A @ or ) @ implies ) @ axiom ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(11,axiom,
! [B: $i,A: $i] :
( ( B @ ( A @ equivalent ) )
= ( A @ ( B @ implies ) @ ( B @ ( A @ implies ) @ and ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equivalent_defn) ).
thf(27,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ equivalent ) )
= ( A @ ( B @ implies ) @ ( B @ ( A @ implies ) @ and ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(28,plain,
! [B: $i,A: $i] :
( ( A @ ( B @ implies ) @ ( B @ ( A @ implies ) @ and ) )
= ( B @ ( A @ equivalent ) ) ),
inference(lifteq,[status(thm)],[27]) ).
thf(10,axiom,
! [B: $i,A: $i] :
( ( B @ ( A @ and ) )
= ( B @ not @ ( A @ not @ or ) @ not ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',and_defn) ).
thf(25,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ and ) )
= ( B @ not @ ( A @ not @ or ) @ not ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(26,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ and ) )
= ( B @ not @ ( A @ not @ or ) @ not ) ),
inference(lifteq,[status(thm)],[25]) ).
thf(95,plain,
! [B: $i,A: $i] :
( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not )
= ( B @ ( A @ equivalent ) ) ),
inference(rewrite,[status(thm)],[28,26]) ).
thf(29,plain,
! [A: $i] : ( A @ ( A @ ( A @ or ) @ not @ or ) @ axiom ),
inference(rewrite,[status(thm)],[14,20]) ).
thf(127,plain,
! [C: $i,B: $i,A: $i] :
( ( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not )
!= ( C @ ( C @ or ) @ not ) )
| ( C @ ( B @ ( A @ equivalent ) @ or ) @ axiom ) ),
inference(paramod_ordered,[status(thm)],[95,29]) ).
thf(128,plain,
! [A: $i] : ( A @ ( A @ implies ) @ not @ ( A @ ( A @ equivalent ) @ or ) @ axiom ),
inference(pattern_uni,[status(thm)],[127:[bind(A,$thf( F )),bind(B,$thf( F )),bind(C,$thf( F @ ( F @ implies ) @ not ))]]) ).
thf(140,plain,
! [A: $i] : ( A @ ( A @ implies ) @ not @ ( A @ ( A @ equivalent ) @ or ) @ axiom ),
inference(simp,[status(thm)],[128]) ).
thf(179,plain,
! [A: $i] : ( A @ ( A @ not @ or ) @ not @ ( A @ ( A @ equivalent ) @ or ) @ axiom ),
inference(rewrite,[status(thm)],[140,20]) ).
thf(102,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ equivalent ) )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) )
| ~ ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not @ or ) @ theorem ) ),
inference(paramod_ordered,[status(thm)],[95,13]) ).
thf(103,plain,
~ ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( p @ or ) @ ( p @ implies ) @ not @ ( p @ ( q @ ( p @ or ) @ implies ) @ not @ or ) @ not @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[102:[bind(A,$thf( q @ ( p @ or ) )),bind(B,$thf( p ))]]) ).
thf(240,plain,
~ ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( p @ or ) @ ( p @ not @ or ) @ not @ ( p @ ( q @ ( p @ or ) @ not @ or ) @ not @ or ) @ not @ or ) @ theorem ),
inference(rewrite,[status(thm)],[103,20]) ).
thf(4,axiom,
! [B: $i,A: $i] : ( A @ ( B @ or ) @ ( B @ ( A @ or ) @ implies ) @ axiom ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_4) ).
thf(16,plain,
! [B: $i,A: $i] : ( A @ ( B @ or ) @ ( B @ ( A @ or ) @ implies ) @ axiom ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(43,plain,
! [B: $i,A: $i] : ( A @ ( B @ or ) @ ( B @ ( A @ or ) @ not @ or ) @ axiom ),
inference(rewrite,[status(thm)],[16,20]) ).
thf(35,plain,
! [B: $i,A: $i] :
( ( ( A @ ( A @ ( A @ or ) @ not @ or ) @ axiom )
!= ( B @ axiom ) )
| ~ $true
| ( B @ theorem ) ),
inference(paramod_ordered,[status(thm)],[29,22]) ).
thf(36,plain,
! [B: $i,A: $i] :
( ( ( A @ ( A @ ( A @ or ) @ not @ or ) @ axiom )
!= ( B @ axiom ) )
| ( B @ theorem ) ),
inference(simp,[status(thm)],[35]) ).
thf(37,plain,
! [A: $i] : ( A @ ( A @ ( A @ or ) @ not @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[36:[bind(A,$thf( D )),bind(B,$thf( D @ ( D @ ( D @ or ) @ not @ or ) ))]]) ).
thf(38,plain,
! [A: $i] : ( A @ ( A @ ( A @ or ) @ not @ or ) @ theorem ),
inference(simp,[status(thm)],[37]) ).
thf(48,plain,
! [A: $i] :
( ( ( A @ ( A @ ( A @ or ) @ not @ or ) @ theorem )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) )
| ~ $true ),
inference(paramod_ordered,[status(thm)],[38,13]) ).
thf(49,plain,
! [A: $i] :
( ( A @ ( A @ ( A @ or ) @ not @ or ) @ theorem )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) ),
inference(simp,[status(thm)],[48]) ).
thf(59,plain,
! [A: $i] :
( ( A @ ( A @ ( A @ or ) @ not @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) ) ),
inference(simp,[status(thm)],[49]) ).
thf(93,plain,
! [A: $i] :
( ( A
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( A @ ( A @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ) ),
inference(simp,[status(thm)],[59]) ).
thf(94,plain,
( ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ),
inference(simp,[status(thm)],[93]) ).
thf(119,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ equivalent ) )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not ) ) ),
inference(paramod_ordered,[status(thm)],[95,94]) ).
thf(120,plain,
( ( q @ ( p @ or ) @ ( p @ implies ) @ not @ ( p @ ( q @ ( p @ or ) @ implies ) @ not @ or ) @ not )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not ) ),
inference(pattern_uni,[status(thm)],[119:[bind(A,$thf( q @ ( p @ or ) )),bind(B,$thf( p ))]]) ).
thf(383,plain,
( ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) @ not @ ( p @ ( q @ ( p @ or ) @ not @ or ) @ not @ or ) @ not ) ),
inference(rewrite,[status(thm)],[120,20]) ).
thf(100,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ equivalent ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ~ ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) ),
inference(paramod_ordered,[status(thm)],[95,13]) ).
thf(101,plain,
~ ( q @ ( p @ or ) @ ( q @ implies ) @ not @ ( q @ ( q @ ( p @ or ) @ implies ) @ not @ or ) @ not @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[100:[bind(A,$thf( q @ ( p @ or ) )),bind(B,$thf( q ))]]) ).
thf(215,plain,
~ ( q @ ( p @ or ) @ ( q @ not @ or ) @ not @ ( q @ ( q @ ( p @ or ) @ not @ or ) @ not @ or ) @ not @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ),
inference(rewrite,[status(thm)],[101,20]) ).
thf(44,plain,
! [C: $i,B: $i,A: $i] :
( ( ( A @ ( B @ or ) @ ( B @ ( A @ or ) @ not @ or ) @ axiom )
!= ( C @ axiom ) )
| ~ $true
| ( C @ theorem ) ),
inference(paramod_ordered,[status(thm)],[43,22]) ).
thf(45,plain,
! [C: $i,B: $i,A: $i] :
( ( ( A @ ( B @ or ) @ ( B @ ( A @ or ) @ not @ or ) @ axiom )
!= ( C @ axiom ) )
| ( C @ theorem ) ),
inference(simp,[status(thm)],[44]) ).
thf(46,plain,
! [B: $i,A: $i] : ( B @ ( A @ or ) @ ( A @ ( B @ or ) @ not @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[45:[bind(A,$thf( J )),bind(B,$thf( I )),bind(C,$thf( J @ ( I @ or ) @ ( I @ ( J @ or ) @ not @ or ) ))]]) ).
thf(47,plain,
! [B: $i,A: $i] : ( B @ ( A @ or ) @ ( A @ ( B @ or ) @ not @ or ) @ theorem ),
inference(simp,[status(thm)],[46]) ).
thf(78,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ or ) @ ( A @ ( B @ or ) @ not @ or ) @ theorem )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) )
| ~ $true ),
inference(paramod_ordered,[status(thm)],[47,13]) ).
thf(79,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ or ) @ ( A @ ( B @ or ) @ not @ or ) @ theorem )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ theorem ) ),
inference(simp,[status(thm)],[78]) ).
thf(89,plain,
! [B: $i,A: $i] :
( ( B @ ( A @ or ) @ ( A @ ( B @ or ) @ not @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( p @ ( q @ ( p @ or ) @ equivalent ) @ or ) ) ),
inference(simp,[status(thm)],[79]) ).
thf(284,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( A @ ( B @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ) ),
inference(simp,[status(thm)],[89]) ).
thf(114,plain,
! [B: $i,A: $i] :
( ( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not ) )
| ( ( B @ ( A @ equivalent ) )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ) ),
inference(paramod_ordered,[status(thm)],[95,94]) ).
thf(138,plain,
! [B: $i,A: $i] :
( ( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) ) )
| ( B != p )
| ( A
!= ( q @ ( p @ or ) ) ) ),
inference(simp,[status(thm)],[114]) ).
thf(148,plain,
( ( q @ ( p @ or ) @ ( p @ implies ) @ not @ ( p @ ( q @ ( p @ or ) @ implies ) @ not @ or ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) ) ),
inference(simp,[status(thm)],[138]) ).
thf(265,plain,
( ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) @ not @ ( p @ ( q @ ( p @ or ) @ not @ or ) @ not @ or ) ) ),
inference(rewrite,[status(thm)],[148,20]) ).
thf(98,plain,
! [C: $i,B: $i,A: $i] :
( ( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not )
!= ( C @ ( C @ or ) @ not ) )
| ( C @ ( B @ ( A @ equivalent ) @ or ) @ theorem ) ),
inference(paramod_ordered,[status(thm)],[95,38]) ).
thf(99,plain,
! [A: $i] : ( A @ ( A @ implies ) @ not @ ( A @ ( A @ equivalent ) @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[98:[bind(A,$thf( F )),bind(B,$thf( F )),bind(C,$thf( F @ ( F @ implies ) @ not ))]]) ).
thf(143,plain,
! [A: $i] : ( A @ ( A @ implies ) @ not @ ( A @ ( A @ equivalent ) @ or ) @ theorem ),
inference(simp,[status(thm)],[99]) ).
thf(192,plain,
! [A: $i] : ( A @ ( A @ not @ or ) @ not @ ( A @ ( A @ equivalent ) @ or ) @ theorem ),
inference(rewrite,[status(thm)],[143,20]) ).
thf(9,axiom,
! [B: $i,A: $i] :
( ~ ( B @ theorem )
| ~ ( A @ ( B @ implies ) @ theorem )
| ( A @ theorem ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rule_2) ).
thf(23,plain,
! [B: $i,A: $i] :
( ~ ( B @ theorem )
| ~ ( A @ ( B @ implies ) @ theorem )
| ( A @ theorem ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(24,plain,
! [B: $i,A: $i] :
( ~ ( B @ theorem )
| ~ ( A @ ( B @ implies ) @ theorem )
| ( A @ theorem ) ),
inference(cnf,[status(esa)],[23]) ).
thf(31,plain,
! [B: $i,A: $i] :
( ~ ( B @ theorem )
| ~ ( A @ ( B @ not @ or ) @ theorem )
| ( A @ theorem ) ),
inference(rewrite,[status(thm)],[24,20]) ).
thf(32,plain,
! [B: $i,A: $i] :
( ~ $true
| ( ( A @ ( B @ not @ or ) @ theorem )
!= ( B @ theorem ) )
| ~ ( B @ theorem )
| ( A @ theorem ) ),
inference(eqfactor_ordered,[status(thm)],[31]) ).
thf(33,plain,
! [B: $i,A: $i] :
( ( ( A @ ( B @ not @ or ) @ theorem )
!= ( B @ theorem ) )
| ~ ( B @ theorem )
| ( A @ theorem ) ),
inference(simp,[status(thm)],[32]) ).
thf(266,plain,
( ( ( q @ ( q @ ( p @ or ) @ equivalent ) )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) @ not ) )
| ( ( q @ ( q @ ( p @ or ) @ equivalent ) )
!= ( p @ ( q @ ( p @ or ) @ not @ or ) @ not ) ) ),
inference(simp,[status(thm)],[265]) ).
thf(396,plain,
( ( ( p @ ( q @ ( p @ or ) @ not @ or ) @ not )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) @ not ) )
| ( ( q @ ( q @ ( p @ or ) @ equivalent ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( q @ ( q @ ( p @ or ) @ equivalent ) )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) @ not ) ) ),
inference(eqfactor_ordered,[status(thm)],[266]) ).
thf(398,plain,
( ( ( p @ ( q @ ( p @ or ) @ not @ or ) )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) ) )
| ( ( q @ ( q @ ( p @ or ) @ equivalent ) )
!= ( q @ ( p @ or ) @ ( p @ not @ or ) @ not ) ) ),
inference(simp,[status(thm)],[396]) ).
thf(34,plain,
! [B: $i,A: $i] :
( ( ( A @ ( B @ not @ or ) )
!= B )
| ~ ( B @ theorem )
| ( A @ theorem ) ),
inference(simp,[status(thm)],[32]) ).
thf(5,axiom,
! [C: $i,B: $i,A: $i] : ( C @ ( A @ or ) @ ( B @ or ) @ ( C @ ( B @ or ) @ ( A @ or ) @ implies ) @ axiom ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_5) ).
thf(17,plain,
! [C: $i,B: $i,A: $i] : ( C @ ( A @ or ) @ ( B @ or ) @ ( C @ ( B @ or ) @ ( A @ or ) @ implies ) @ axiom ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(172,plain,
! [C: $i,B: $i,A: $i] : ( C @ ( A @ or ) @ ( B @ or ) @ ( C @ ( B @ or ) @ ( A @ or ) @ not @ or ) @ axiom ),
inference(rewrite,[status(thm)],[17,20]) ).
thf(117,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ equivalent ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ) ),
inference(paramod_ordered,[status(thm)],[95,94]) ).
thf(118,plain,
( ( q @ ( p @ or ) @ ( q @ implies ) @ not @ ( q @ ( q @ ( p @ or ) @ implies ) @ not @ or ) @ not @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ),
inference(pattern_uni,[status(thm)],[117:[bind(A,$thf( q @ ( p @ or ) )),bind(B,$thf( q ))]]) ).
thf(362,plain,
( ( q @ ( p @ or ) @ ( q @ not @ or ) @ not @ ( q @ ( q @ ( p @ or ) @ not @ or ) @ not @ or ) @ not @ ( q @ ( q @ ( p @ or ) @ equivalent ) @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ),
inference(rewrite,[status(thm)],[118,20]) ).
thf(6,axiom,
! [C: $i,B: $i,A: $i] : ( B @ ( C @ or ) @ ( A @ ( C @ or ) @ implies ) @ ( B @ ( A @ implies ) @ implies ) @ axiom ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_1_6) ).
thf(18,plain,
! [C: $i,B: $i,A: $i] : ( B @ ( C @ or ) @ ( A @ ( C @ or ) @ implies ) @ ( B @ ( A @ implies ) @ implies ) @ axiom ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(271,plain,
! [C: $i,B: $i,A: $i] : ( B @ ( C @ or ) @ ( A @ ( C @ or ) @ implies ) @ ( B @ ( A @ implies ) @ not @ or ) @ axiom ),
inference(rewrite,[status(thm)],[18,20]) ).
thf(115,plain,
! [B: $i,A: $i] :
( ( ( B @ ( A @ equivalent ) )
!= ( q @ ( q @ ( p @ or ) @ equivalent ) ) )
| ( ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( A @ ( B @ implies ) @ not @ ( B @ ( A @ implies ) @ not @ or ) @ not @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ) ),
inference(paramod_ordered,[status(thm)],[95,94]) ).
thf(116,plain,
( ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( p @ or ) @ ( q @ implies ) @ not @ ( q @ ( q @ ( p @ or ) @ implies ) @ not @ or ) @ not @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ),
inference(pattern_uni,[status(thm)],[115:[bind(A,$thf( q @ ( p @ or ) )),bind(B,$thf( q ))]]) ).
thf(341,plain,
( ( q @ ( q @ ( p @ or ) @ equivalent ) @ ( q @ ( p @ or ) @ ( q @ not @ or ) @ not @ ( q @ ( q @ ( p @ or ) @ not @ or ) @ not @ or ) @ not @ or ) @ not )
!= ( p @ ( q @ ( p @ or ) @ equivalent ) ) ),
inference(rewrite,[status(thm)],[116,20]) ).
thf(174,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ( ( C @ ( A @ or ) @ ( B @ or ) @ ( C @ ( B @ or ) @ ( A @ or ) @ not @ or ) @ axiom )
!= ( D @ axiom ) )
| ~ $true
| ( D @ theorem ) ),
inference(paramod_ordered,[status(thm)],[172,22]) ).
thf(175,plain,
! [D: $i,C: $i,B: $i,A: $i] :
( ( ( C @ ( A @ or ) @ ( B @ or ) @ ( C @ ( B @ or ) @ ( A @ or ) @ not @ or ) @ axiom )
!= ( D @ axiom ) )
| ( D @ theorem ) ),
inference(simp,[status(thm)],[174]) ).
thf(176,plain,
! [C: $i,B: $i,A: $i] : ( C @ ( B @ or ) @ ( A @ or ) @ ( C @ ( A @ or ) @ ( B @ or ) @ not @ or ) @ theorem ),
inference(pattern_uni,[status(thm)],[175:[bind(A,$thf( N )),bind(B,$thf( L )),bind(C,$thf( O )),bind(D,$thf( O @ ( N @ or ) @ ( L @ or ) @ ( O @ ( L @ or ) @ ( N @ or ) @ not @ or ) ))]]) ).
thf(178,plain,
! [C: $i,B: $i,A: $i] : ( C @ ( B @ or ) @ ( A @ or ) @ ( C @ ( A @ or ) @ ( B @ or ) @ not @ or ) @ theorem ),
inference(simp,[status(thm)],[176]) ).
thf(767,plain,
$false,
inference(e,[status(thm)],[153,14,179,13,12,240,43,383,215,42,25,20,284,29,89,265,74,38,192,21,33,266,398,34,17,22,59,27,172,362,271,18,95,16,31,26,23,30,19,341,94,47,15,178]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : LCL345-3 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.12 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.25/0.51 % Computer : n026.cluster.edu
% 0.25/0.51 % Model : x86_64 x86_64
% 0.25/0.51 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.25/0.51 % Memory : 8046.5625MB
% 0.25/0.51 % OS : Linux 6.8.0-71-generic
% 0.25/0.51 % CPULimit : 300
% 0.25/0.51 % WCLimit : 300
% 0.25/0.51 % DateTime : Fri Sep 25 22:20:56 UTC 2026
% 0.25/0.51 % CPUTime :
% 0.25/0.51 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 1.57/1.41 % [INFO] Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 2.14/1.72 % [INFO] Parsing done (310ms).
% 2.14/1.74 % [INFO] Running in sequential loop mode.
% 3.16/2.40 % [INFO] eprover registered as external prover.
% 3.39/2.41 % [INFO] Scanning for conjecture ...
% 3.58/2.54 % [INFO] Found a conjecture (or negated_conjecture) and 10 axioms. Running axiom selection ...
% 3.58/2.59 % [INFO] Axiom selection finished. Selected 10 axioms (removed 0 axioms).
% 3.77/2.62 % [INFO] Problem is propositional (TPTP CNF).
% 3.77/2.63 % [INFO] Type checking passed.
% 3.77/2.64 % [CONFIG] Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>. Searching for refutation ...
% 18.46/5.75 % External prover 'e' found a proof!
% 18.46/5.75 % [INFO] Killing All external provers ...
% 18.46/5.76 % Time passed: 5025ms (effective reasoning time: 4002ms)
% 18.46/5.76 % Axioms used in derivation (10): axiom_1_5, equivalent_defn, and_defn, axiom_1_4, rule_1, axiom_1_3, implies_definition, axiom_1_2, rule_2, axiom_1_6
% 18.46/5.76 % No. of inferences in proof: 98
% 18.46/5.76 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p : 5025 ms resp. 4002 ms w/o parsing
% 16.64/5.83 % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 16.64/5.83 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------