TSTP Solution File: LCL431-2 by Faust---1.0
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%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : LCL431-2 : TPTP v3.4.2. Released v3.2.0.
% Transfm : none
% Format : tptp
% Command : faust %s
% Computer : art04.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory : 1003MB
% OS : Linux 2.6.17-1.2142_FC4
% CPULimit : 600s
% DateTime : Wed May 6 13:49:49 EDT 2009
% Result : Unsatisfiable 0.1s
% Output : Refutation 0.1s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 4
% Syntax : Number of formulae : 10 ( 8 unt; 0 def)
% Number of atoms : 12 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 7 ( 5 ~; 2 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 2 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 4 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 8 ( 8 usr; 3 con; 0-3 aty)
% Number of variables : 14 ( 4 sgn 6 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(cls_conjecture_0,plain,
c_proplog_osat(c_emptyset,v_p,t_a),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),
[] ).
cnf(153401272,plain,
c_proplog_osat(c_emptyset,v_p,t_a),
inference(rewrite,[status(thm)],[cls_conjecture_0]),
[] ).
fof(cls_PropLog_Ocompleteness__0__lemma__dest_0,plain,
! [A,B,C,D] :
( ~ c_proplog_osat(c_emptyset,A,B)
| c_in(A,c_proplog_othms(c_minus(c_proplog_ohyps(A,C,B),c_proplog_ohyps(A,D,B),tc_set(tc_proplog_opl(B))),B),tc_proplog_opl(B)) ),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),
[] ).
cnf(153452504,plain,
( ~ c_proplog_osat(c_emptyset,A,B)
| c_in(A,c_proplog_othms(c_minus(c_proplog_ohyps(A,C,B),c_proplog_ohyps(A,D,B),tc_set(tc_proplog_opl(B))),B),tc_proplog_opl(B)) ),
inference(rewrite,[status(thm)],[cls_PropLog_Ocompleteness__0__lemma__dest_0]),
[] ).
fof(cls_conjecture_1,plain,
~ c_in(v_p,c_proplog_othms(c_emptyset,t_a),tc_proplog_opl(t_a)),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),
[] ).
cnf(153406288,plain,
~ c_in(v_p,c_proplog_othms(c_emptyset,t_a),tc_proplog_opl(t_a)),
inference(rewrite,[status(thm)],[cls_conjecture_1]),
[] ).
fof(cls_Set_ODiff__cancel_0,plain,
! [A,B] : $equal(c_minus(A,A,tc_set(B)),c_emptyset),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),
[] ).
cnf(153461640,plain,
$equal(c_minus(A,A,tc_set(B)),c_emptyset),
inference(rewrite,[status(thm)],[cls_Set_ODiff__cancel_0]),
[] ).
cnf(163950464,plain,
~ c_in(v_p,c_proplog_othms(c_minus(A,A,tc_set(B)),t_a),tc_proplog_opl(t_a)),
inference(paramodulation,[status(thm)],[153406288,153461640,theory(equality)]),
[] ).
cnf(contradiction,plain,
$false,
inference(forward_subsumption_resolution__resolution,[status(thm)],[153401272,153452504,163950464]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(cls_conjecture_0,plain,(c_proplog_osat(c_emptyset,v_p,t_a)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),[]).
%
% cnf(153401272,plain,(c_proplog_osat(c_emptyset,v_p,t_a)),inference(rewrite,[status(thm)],[cls_conjecture_0]),[]).
%
% fof(cls_PropLog_Ocompleteness__0__lemma__dest_0,plain,(~c_proplog_osat(c_emptyset,A,B)|c_in(A,c_proplog_othms(c_minus(c_proplog_ohyps(A,C,B),c_proplog_ohyps(A,D,B),tc_set(tc_proplog_opl(B))),B),tc_proplog_opl(B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),[]).
%
% cnf(153452504,plain,(~c_proplog_osat(c_emptyset,A,B)|c_in(A,c_proplog_othms(c_minus(c_proplog_ohyps(A,C,B),c_proplog_ohyps(A,D,B),tc_set(tc_proplog_opl(B))),B),tc_proplog_opl(B))),inference(rewrite,[status(thm)],[cls_PropLog_Ocompleteness__0__lemma__dest_0]),[]).
%
% fof(cls_conjecture_1,plain,(~c_in(v_p,c_proplog_othms(c_emptyset,t_a),tc_proplog_opl(t_a))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),[]).
%
% cnf(153406288,plain,(~c_in(v_p,c_proplog_othms(c_emptyset,t_a),tc_proplog_opl(t_a))),inference(rewrite,[status(thm)],[cls_conjecture_1]),[]).
%
% fof(cls_Set_ODiff__cancel_0,plain,($equal(c_minus(A,A,tc_set(B)),c_emptyset)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL431-2.tptp',unknown),[]).
%
% cnf(153461640,plain,($equal(c_minus(A,A,tc_set(B)),c_emptyset)),inference(rewrite,[status(thm)],[cls_Set_ODiff__cancel_0]),[]).
%
% cnf(163950464,plain,(~c_in(v_p,c_proplog_othms(c_minus(A,A,tc_set(B)),t_a),tc_proplog_opl(t_a))),inference(paramodulation,[status(thm)],[153406288,153461640,theory(equality)]),[]).
%
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[153401272,153452504,163950464]),[]).
%
% END OF PROOF SEQUENCE
%
%------------------------------------------------------------------------------