TSTP Solution File: LCL176-3 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL176-3 : TPTP v3.4.2. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art03.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 13:44:53 EDT 2009

% Result   : Unsatisfiable 2.2s
% Output   : Refutation 2.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   31 (  21 unt;   0 def)
%            Number of atoms       :   43 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   28 (  16   ~;  12   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-2 aty)
%            Number of variables   :   50 (   8 sgn  13   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(rule_2,plain,
    ! [A,B] :
      ( theorem(A)
      | ~ theorem(implies(B,A))
      | ~ theorem(B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167319312,plain,
    ( theorem(A)
    | ~ theorem(implies(B,A))
    | ~ theorem(B) ),
    inference(rewrite,[status(thm)],[rule_2]),
    [] ).

fof(rule_1,plain,
    ! [A] :
      ( theorem(A)
      | ~ axiom(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167300496,plain,
    ( theorem(A)
    | ~ axiom(A) ),
    inference(rewrite,[status(thm)],[rule_1]),
    [] ).

fof(axiom_1_3,plain,
    ! [A,B] : axiom(implies(A,or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167273696,plain,
    axiom(implies(A,or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_3]),
    [] ).

cnf(175153824,plain,
    theorem(implies(A,or(B,A))),
    inference(resolution,[status(thm)],[167300496,167273696]),
    [] ).

fof(implies_definition,plain,
    ! [A,B] : $equal(or(not(A),B),implies(A,B)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167294040,plain,
    $equal(or(not(A),B),implies(A,B)),
    inference(rewrite,[status(thm)],[implies_definition]),
    [] ).

cnf(175491600,plain,
    theorem(or(not(A),or(B,A))),
    inference(paramodulation,[status(thm)],[175153824,167294040,theory(equality)]),
    [] ).

cnf(175775656,plain,
    ( theorem(A)
    | ~ theorem(implies(or(not(B),or(C,B)),A)) ),
    inference(resolution,[status(thm)],[167319312,175491600]),
    [] ).

fof(axiom_1_5,plain,
    ! [A,B,C] : axiom(implies(or(A,or(B,C)),or(B,or(A,C)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167281408,plain,
    axiom(implies(or(A,or(B,C)),or(B,or(A,C)))),
    inference(rewrite,[status(thm)],[axiom_1_5]),
    [] ).

cnf(175322296,plain,
    theorem(implies(or(A,or(B,C)),or(B,or(A,C)))),
    inference(resolution,[status(thm)],[167300496,167281408]),
    [] ).

cnf(213827608,plain,
    theorem(or(B,or(not(A),A))),
    inference(resolution,[status(thm)],[175775656,175322296]),
    [] ).

fof(axiom_1_4,plain,
    ! [A,B] : axiom(implies(or(A,B),or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167277424,plain,
    axiom(implies(or(A,B),or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_4]),
    [] ).

cnf(175379760,plain,
    theorem(implies(or(A,B),or(B,A))),
    inference(resolution,[status(thm)],[167300496,167277424]),
    [] ).

cnf(175802808,plain,
    ( theorem(or(B,A))
    | ~ theorem(or(A,B)) ),
    inference(resolution,[status(thm)],[167319312,175379760]),
    [] ).

cnf(175666416,plain,
    ( theorem(or(B,A))
    | ~ theorem(A) ),
    inference(resolution,[status(thm)],[167319312,175153824]),
    [] ).

cnf(179538768,plain,
    ( theorem(or(B,A))
    | ~ theorem(B) ),
    inference(resolution,[status(thm)],[175802808,175666416]),
    [] ).

fof(axiom_1_2,plain,
    ! [A] : axiom(implies(or(A,A),A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167269504,plain,
    axiom(implies(or(A,A),A)),
    inference(rewrite,[status(thm)],[axiom_1_2]),
    [] ).

cnf(175144328,plain,
    theorem(implies(or(A,A),A)),
    inference(resolution,[status(thm)],[167300496,167269504]),
    [] ).

cnf(175168016,plain,
    ( theorem(A)
    | ~ theorem(or(A,A)) ),
    inference(resolution,[status(thm)],[167319312,175144328]),
    [] ).

cnf(180192440,plain,
    ( theorem(or(B,A))
    | ~ theorem(or(B,B)) ),
    inference(resolution,[status(thm)],[179538768,175168016]),
    [] ).

fof(prove_this,plain,
    ~ theorem(implies(p,p)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),
    [] ).

cnf(167328104,plain,
    ~ theorem(implies(p,p)),
    inference(rewrite,[status(thm)],[prove_this]),
    [] ).

cnf(175410520,plain,
    ~ theorem(or(not(p),p)),
    inference(paramodulation,[status(thm)],[167328104,167294040,theory(equality)]),
    [] ).

cnf(175952552,plain,
    ~ theorem(or(or(not(p),p),or(not(p),p))),
    inference(resolution,[status(thm)],[175168016,175410520]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[213827608,180192440,175952552]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 seconds
% START OF PROOF SEQUENCE
% fof(rule_2,plain,(theorem(A)|~theorem(implies(B,A))|~theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167319312,plain,(theorem(A)|~theorem(implies(B,A))|~theorem(B)),inference(rewrite,[status(thm)],[rule_2]),[]).
% 
% fof(rule_1,plain,(theorem(A)|~axiom(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167300496,plain,(theorem(A)|~axiom(A)),inference(rewrite,[status(thm)],[rule_1]),[]).
% 
% fof(axiom_1_3,plain,(axiom(implies(A,or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167273696,plain,(axiom(implies(A,or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_3]),[]).
% 
% cnf(175153824,plain,(theorem(implies(A,or(B,A)))),inference(resolution,[status(thm)],[167300496,167273696]),[]).
% 
% fof(implies_definition,plain,($equal(or(not(A),B),implies(A,B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167294040,plain,($equal(or(not(A),B),implies(A,B))),inference(rewrite,[status(thm)],[implies_definition]),[]).
% 
% cnf(175491600,plain,(theorem(or(not(A),or(B,A)))),inference(paramodulation,[status(thm)],[175153824,167294040,theory(equality)]),[]).
% 
% cnf(175775656,plain,(theorem(A)|~theorem(implies(or(not(B),or(C,B)),A))),inference(resolution,[status(thm)],[167319312,175491600]),[]).
% 
% fof(axiom_1_5,plain,(axiom(implies(or(A,or(B,C)),or(B,or(A,C))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167281408,plain,(axiom(implies(or(A,or(B,C)),or(B,or(A,C))))),inference(rewrite,[status(thm)],[axiom_1_5]),[]).
% 
% cnf(175322296,plain,(theorem(implies(or(A,or(B,C)),or(B,or(A,C))))),inference(resolution,[status(thm)],[167300496,167281408]),[]).
% 
% cnf(213827608,plain,(theorem(or(B,or(not(A),A)))),inference(resolution,[status(thm)],[175775656,175322296]),[]).
% 
% fof(axiom_1_4,plain,(axiom(implies(or(A,B),or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167277424,plain,(axiom(implies(or(A,B),or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_4]),[]).
% 
% cnf(175379760,plain,(theorem(implies(or(A,B),or(B,A)))),inference(resolution,[status(thm)],[167300496,167277424]),[]).
% 
% cnf(175802808,plain,(theorem(or(B,A))|~theorem(or(A,B))),inference(resolution,[status(thm)],[167319312,175379760]),[]).
% 
% cnf(175666416,plain,(theorem(or(B,A))|~theorem(A)),inference(resolution,[status(thm)],[167319312,175153824]),[]).
% 
% cnf(179538768,plain,(theorem(or(B,A))|~theorem(B)),inference(resolution,[status(thm)],[175802808,175666416]),[]).
% 
% fof(axiom_1_2,plain,(axiom(implies(or(A,A),A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167269504,plain,(axiom(implies(or(A,A),A))),inference(rewrite,[status(thm)],[axiom_1_2]),[]).
% 
% cnf(175144328,plain,(theorem(implies(or(A,A),A))),inference(resolution,[status(thm)],[167300496,167269504]),[]).
% 
% cnf(175168016,plain,(theorem(A)|~theorem(or(A,A))),inference(resolution,[status(thm)],[167319312,175144328]),[]).
% 
% cnf(180192440,plain,(theorem(or(B,A))|~theorem(or(B,B))),inference(resolution,[status(thm)],[179538768,175168016]),[]).
% 
% fof(prove_this,plain,(~theorem(implies(p,p))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL176-3.tptp',unknown),[]).
% 
% cnf(167328104,plain,(~theorem(implies(p,p))),inference(rewrite,[status(thm)],[prove_this]),[]).
% 
% cnf(175410520,plain,(~theorem(or(not(p),p))),inference(paramodulation,[status(thm)],[167328104,167294040,theory(equality)]),[]).
% 
% cnf(175952552,plain,(~theorem(or(or(not(p),p),or(not(p),p)))),inference(resolution,[status(thm)],[175168016,175410520]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[213827608,180192440,175952552]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------