TSTP Solution File: LCL238-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL238-1 : TPTP v3.4.2. Bugfixed v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art02.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 13:47:13 EDT 2009

% Result   : Unsatisfiable 2.5s
% Output   : Refutation 2.5s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   22 (  13 unt;   0 def)
%            Number of atoms       :   35 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   28 (  15   ~;  13   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   34 (   1 sgn  11   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(rule_3,plain,
    ! [A,B,C] :
      ( theorem(or(not(A),B))
      | ~ axiom(or(not(A),C))
      | ~ theorem(or(not(C),B)) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168889952,plain,
    ( theorem(or(not(A),B))
    | ~ axiom(or(not(A),C))
    | ~ theorem(or(not(C),B)) ),
    inference(rewrite,[status(thm)],[rule_3]),
    [] ).

fof(axiom_1_4,plain,
    ! [A,B] : axiom(or(not(or(A,B)),or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168838568,plain,
    axiom(or(not(or(A,B)),or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_4]),
    [] ).

cnf(187495928,plain,
    ( theorem(or(not(or(B,C)),A))
    | ~ theorem(or(not(or(C,B)),A)) ),
    inference(resolution,[status(thm)],[168889952,168838568]),
    [] ).

fof(rule_1,plain,
    ! [A] :
      ( theorem(A)
      | ~ axiom(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168856992,plain,
    ( theorem(A)
    | ~ axiom(A) ),
    inference(rewrite,[status(thm)],[rule_1]),
    [] ).

fof(axiom_1_2,plain,
    ! [A] : axiom(or(not(or(A,A)),A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168830560,plain,
    axiom(or(not(or(A,A)),A)),
    inference(rewrite,[status(thm)],[axiom_1_2]),
    [] ).

cnf(176657744,plain,
    theorem(or(not(or(A,A)),A)),
    inference(resolution,[status(thm)],[168856992,168830560]),
    [] ).

cnf(176806504,plain,
    ( theorem(or(not(A),B))
    | ~ axiom(or(not(A),or(B,B))) ),
    inference(resolution,[status(thm)],[168889952,176657744]),
    [] ).

fof(axiom_1_3,plain,
    ! [A,B] : axiom(or(not(A),or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168834728,plain,
    axiom(or(not(A),or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_3]),
    [] ).

cnf(176824008,plain,
    theorem(or(not(A),A)),
    inference(resolution,[status(thm)],[176806504,168834728]),
    [] ).

fof(rule_2,plain,
    ! [A,B] :
      ( theorem(A)
      | ~ axiom(or(not(B),A))
      | ~ theorem(B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168874264,plain,
    ( theorem(A)
    | ~ axiom(or(not(B),A))
    | ~ theorem(B) ),
    inference(rewrite,[status(thm)],[rule_2]),
    [] ).

cnf(176916704,plain,
    ( theorem(or(B,A))
    | ~ theorem(or(A,B)) ),
    inference(resolution,[status(thm)],[168874264,168838568]),
    [] ).

cnf(181292384,plain,
    theorem(or(A,not(A))),
    inference(resolution,[status(thm)],[176824008,176916704]),
    [] ).

cnf(187581128,plain,
    theorem(or(not(or(A,B)),not(not(or(B,A))))),
    inference(resolution,[status(thm)],[187495928,181292384]),
    [] ).

fof(prove_this,plain,
    ~ theorem(or(not(not(or(not(p),not(q)))),not(or(not(q),not(p))))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),
    [] ).

cnf(168894424,plain,
    ~ theorem(or(not(not(or(not(p),not(q)))),not(or(not(q),not(p))))),
    inference(rewrite,[status(thm)],[prove_this]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[187581128,168894424,176916704]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 seconds
% START OF PROOF SEQUENCE
% fof(rule_3,plain,(theorem(or(not(A),B))|~axiom(or(not(A),C))|~theorem(or(not(C),B))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168889952,plain,(theorem(or(not(A),B))|~axiom(or(not(A),C))|~theorem(or(not(C),B))),inference(rewrite,[status(thm)],[rule_3]),[]).
% 
% fof(axiom_1_4,plain,(axiom(or(not(or(A,B)),or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168838568,plain,(axiom(or(not(or(A,B)),or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_4]),[]).
% 
% cnf(187495928,plain,(theorem(or(not(or(B,C)),A))|~theorem(or(not(or(C,B)),A))),inference(resolution,[status(thm)],[168889952,168838568]),[]).
% 
% fof(rule_1,plain,(theorem(A)|~axiom(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168856992,plain,(theorem(A)|~axiom(A)),inference(rewrite,[status(thm)],[rule_1]),[]).
% 
% fof(axiom_1_2,plain,(axiom(or(not(or(A,A)),A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168830560,plain,(axiom(or(not(or(A,A)),A))),inference(rewrite,[status(thm)],[axiom_1_2]),[]).
% 
% cnf(176657744,plain,(theorem(or(not(or(A,A)),A))),inference(resolution,[status(thm)],[168856992,168830560]),[]).
% 
% cnf(176806504,plain,(theorem(or(not(A),B))|~axiom(or(not(A),or(B,B)))),inference(resolution,[status(thm)],[168889952,176657744]),[]).
% 
% fof(axiom_1_3,plain,(axiom(or(not(A),or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168834728,plain,(axiom(or(not(A),or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_3]),[]).
% 
% cnf(176824008,plain,(theorem(or(not(A),A))),inference(resolution,[status(thm)],[176806504,168834728]),[]).
% 
% fof(rule_2,plain,(theorem(A)|~axiom(or(not(B),A))|~theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168874264,plain,(theorem(A)|~axiom(or(not(B),A))|~theorem(B)),inference(rewrite,[status(thm)],[rule_2]),[]).
% 
% cnf(176916704,plain,(theorem(or(B,A))|~theorem(or(A,B))),inference(resolution,[status(thm)],[168874264,168838568]),[]).
% 
% cnf(181292384,plain,(theorem(or(A,not(A)))),inference(resolution,[status(thm)],[176824008,176916704]),[]).
% 
% cnf(187581128,plain,(theorem(or(not(or(A,B)),not(not(or(B,A)))))),inference(resolution,[status(thm)],[187495928,181292384]),[]).
% 
% fof(prove_this,plain,(~theorem(or(not(not(or(not(p),not(q)))),not(or(not(q),not(p)))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL238-1.tptp',unknown),[]).
% 
% cnf(168894424,plain,(~theorem(or(not(not(or(not(p),not(q)))),not(or(not(q),not(p)))))),inference(rewrite,[status(thm)],[prove_this]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[187581128,168894424,176916704]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------