TSTP Solution File: LCL205-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL205-1 : TPTP v3.4.2. Released v1.1.0.
% 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 13:46:08 EDT 2009

% Result   : Unsatisfiable 24.0s
% Output   : Refutation 24.0s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   28 (  18 unt;   0 def)
%            Number of atoms       :   42 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   30 (  16   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   2 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   :   51 (   9 sgn  14   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_this,plain,
    ~ theorem(or(not(not(or(not(p),q))),or(not(p),not(q)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),
    [] ).

cnf(158264368,plain,
    ~ theorem(or(not(not(or(not(p),q))),or(not(p),not(q)))),
    inference(rewrite,[status(thm)],[prove_this]),
    [] ).

fof(rule_2,plain,
    ! [A,B] :
      ( theorem(A)
      | ~ axiom(or(not(B),A))
      | ~ theorem(B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),
    [] ).

cnf(158244224,plain,
    ( theorem(A)
    | ~ axiom(or(not(B),A))
    | ~ theorem(B) ),
    inference(rewrite,[status(thm)],[rule_2]),
    [] ).

fof(axiom_1_5,plain,
    ! [A,B,C] : axiom(or(not(or(A,or(B,C))),or(B,or(A,C)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),
    [] ).

cnf(158212488,plain,
    axiom(or(not(or(A,or(B,C))),or(B,or(A,C)))),
    inference(rewrite,[status(thm)],[axiom_1_5]),
    [] ).

cnf(166362840,plain,
    ( theorem(or(B,or(A,C)))
    | ~ theorem(or(A,or(B,C))) ),
    inference(resolution,[status(thm)],[158244224,158212488]),
    [] ).

fof(axiom_1_3,plain,
    ! [A,B] : axiom(or(not(A),or(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),
    [] ).

cnf(158200592,plain,
    axiom(or(not(A),or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_3]),
    [] ).

cnf(166084720,plain,
    ( theorem(or(B,A))
    | ~ theorem(A) ),
    inference(resolution,[status(thm)],[158244224,158200592]),
    [] ).

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/LCL205-1.tptp',unknown),
    [] ).

cnf(158204432,plain,
    axiom(or(not(or(A,B)),or(B,A))),
    inference(rewrite,[status(thm)],[axiom_1_4]),
    [] ).

cnf(166209024,plain,
    ( theorem(or(B,A))
    | ~ theorem(or(A,B)) ),
    inference(resolution,[status(thm)],[158244224,158204432]),
    [] ).

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/LCL205-1.tptp',unknown),
    [] ).

cnf(158259912,plain,
    ( theorem(or(not(A),B))
    | ~ axiom(or(not(A),C))
    | ~ theorem(or(not(C),B)) ),
    inference(rewrite,[status(thm)],[rule_3]),
    [] ).

cnf(166104040,plain,
    ( theorem(or(not(A),B))
    | ~ theorem(or(not(or(C,A)),B)) ),
    inference(resolution,[status(thm)],[158259912,158200592]),
    [] ).

fof(rule_1,plain,
    ! [A] :
      ( theorem(A)
      | ~ axiom(A) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),
    [] ).

cnf(158226952,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/LCL205-1.tptp',unknown),
    [] ).

cnf(158196424,plain,
    axiom(or(not(or(A,A)),A)),
    inference(rewrite,[status(thm)],[axiom_1_2]),
    [] ).

cnf(166027336,plain,
    theorem(or(not(or(A,A)),A)),
    inference(resolution,[status(thm)],[158226952,158196424]),
    [] ).

cnf(166150800,plain,
    theorem(or(not(A),A)),
    inference(resolution,[status(thm)],[166104040,166027336]),
    [] ).

cnf(172724168,plain,
    theorem(or(A,not(A))),
    inference(resolution,[status(thm)],[166150800,166209024]),
    [] ).

cnf(178179816,plain,
    theorem(or(not(A),not(not(or(B,A))))),
    inference(resolution,[status(thm)],[166104040,172724168]),
    [] ).

cnf(182199176,plain,
    theorem(or(not(not(or(B,A))),not(A))),
    inference(resolution,[status(thm)],[166209024,178179816]),
    [] ).

cnf(186740056,plain,
    theorem(or(A,or(not(not(or(C,B))),not(B)))),
    inference(resolution,[status(thm)],[166084720,182199176]),
    [] ).

cnf(217781024,plain,
    theorem(or(not(not(or(C,B))),or(A,not(B)))),
    inference(resolution,[status(thm)],[166362840,186740056]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[158264368,217781024]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 24 seconds
% START OF PROOF SEQUENCE
% fof(prove_this,plain,(~theorem(or(not(not(or(not(p),q))),or(not(p),not(q))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),[]).
% 
% cnf(158264368,plain,(~theorem(or(not(not(or(not(p),q))),or(not(p),not(q))))),inference(rewrite,[status(thm)],[prove_this]),[]).
% 
% fof(rule_2,plain,(theorem(A)|~axiom(or(not(B),A))|~theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),[]).
% 
% cnf(158244224,plain,(theorem(A)|~axiom(or(not(B),A))|~theorem(B)),inference(rewrite,[status(thm)],[rule_2]),[]).
% 
% fof(axiom_1_5,plain,(axiom(or(not(or(A,or(B,C))),or(B,or(A,C))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),[]).
% 
% cnf(158212488,plain,(axiom(or(not(or(A,or(B,C))),or(B,or(A,C))))),inference(rewrite,[status(thm)],[axiom_1_5]),[]).
% 
% cnf(166362840,plain,(theorem(or(B,or(A,C)))|~theorem(or(A,or(B,C)))),inference(resolution,[status(thm)],[158244224,158212488]),[]).
% 
% fof(axiom_1_3,plain,(axiom(or(not(A),or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),[]).
% 
% cnf(158200592,plain,(axiom(or(not(A),or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_3]),[]).
% 
% cnf(166084720,plain,(theorem(or(B,A))|~theorem(A)),inference(resolution,[status(thm)],[158244224,158200592]),[]).
% 
% fof(axiom_1_4,plain,(axiom(or(not(or(A,B)),or(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),[]).
% 
% cnf(158204432,plain,(axiom(or(not(or(A,B)),or(B,A)))),inference(rewrite,[status(thm)],[axiom_1_4]),[]).
% 
% cnf(166209024,plain,(theorem(or(B,A))|~theorem(or(A,B))),inference(resolution,[status(thm)],[158244224,158204432]),[]).
% 
% 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/LCL205-1.tptp',unknown),[]).
% 
% cnf(158259912,plain,(theorem(or(not(A),B))|~axiom(or(not(A),C))|~theorem(or(not(C),B))),inference(rewrite,[status(thm)],[rule_3]),[]).
% 
% cnf(166104040,plain,(theorem(or(not(A),B))|~theorem(or(not(or(C,A)),B))),inference(resolution,[status(thm)],[158259912,158200592]),[]).
% 
% fof(rule_1,plain,(theorem(A)|~axiom(A)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL205-1.tptp',unknown),[]).
% 
% cnf(158226952,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/LCL205-1.tptp',unknown),[]).
% 
% cnf(158196424,plain,(axiom(or(not(or(A,A)),A))),inference(rewrite,[status(thm)],[axiom_1_2]),[]).
% 
% cnf(166027336,plain,(theorem(or(not(or(A,A)),A))),inference(resolution,[status(thm)],[158226952,158196424]),[]).
% 
% cnf(166150800,plain,(theorem(or(not(A),A))),inference(resolution,[status(thm)],[166104040,166027336]),[]).
% 
% cnf(172724168,plain,(theorem(or(A,not(A)))),inference(resolution,[status(thm)],[166150800,166209024]),[]).
% 
% cnf(178179816,plain,(theorem(or(not(A),not(not(or(B,A)))))),inference(resolution,[status(thm)],[166104040,172724168]),[]).
% 
% cnf(182199176,plain,(theorem(or(not(not(or(B,A))),not(A)))),inference(resolution,[status(thm)],[166209024,178179816]),[]).
% 
% cnf(186740056,plain,(theorem(or(A,or(not(not(or(C,B))),not(B))))),inference(resolution,[status(thm)],[166084720,182199176]),[]).
% 
% cnf(217781024,plain,(theorem(or(not(not(or(C,B))),or(A,not(B))))),inference(resolution,[status(thm)],[166362840,186740056]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[158264368,217781024]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------