TSTP Solution File: LCL399-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL399-1 : 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 13:49:15 EDT 2009

% Result   : Unsatisfiable 162.8s
% Output   : Refutation 162.8s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   37 (  25 unt;   0 def)
%            Number of atoms       :   51 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   30 (  16   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   92 (  16 sgn   8   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_cn_65,plain,
    ~ is_a_theorem(implies(implies(not(x),not(implies(y,y))),x)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),
    [] ).

cnf(157628272,plain,
    ~ is_a_theorem(implies(implies(not(x),not(implies(y,y))),x)),
    inference(rewrite,[status(thm)],[prove_cn_65]),
    [] ).

fof(condensed_detachment,plain,
    ! [A,B] :
      ( ~ is_a_theorem(implies(A,B))
      | ~ is_a_theorem(A)
      | is_a_theorem(B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),
    [] ).

cnf(157607576,plain,
    ( ~ is_a_theorem(implies(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

fof(cn_2,plain,
    ! [A] : is_a_theorem(implies(implies(not(A),A),A)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),
    [] ).

cnf(157616424,plain,
    is_a_theorem(implies(implies(not(A),A),A)),
    inference(rewrite,[status(thm)],[cn_2]),
    [] ).

cnf(165418768,plain,
    ( ~ is_a_theorem(implies(implies(implies(not(B),B),B),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[157607576,157616424]),
    [] ).

fof(cn_1,plain,
    ! [A,B,C] : is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),
    [] ).

cnf(157612432,plain,
    is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))),
    inference(rewrite,[status(thm)],[cn_1]),
    [] ).

cnf(165650832,plain,
    ( ~ is_a_theorem(implies(A,B))
    | is_a_theorem(implies(implies(B,C),implies(A,C))) ),
    inference(resolution,[status(thm)],[157607576,157612432]),
    [] ).

cnf(165711312,plain,
    is_a_theorem(implies(implies(A,B),implies(implies(not(A),A),B))),
    inference(resolution,[status(thm)],[165418768,157612432]),
    [] ).

cnf(165964776,plain,
    is_a_theorem(implies(implies(implies(implies(not(B),B),C),A),implies(implies(B,C),A))),
    inference(resolution,[status(thm)],[165650832,165711312]),
    [] ).

cnf(171205464,plain,
    ( ~ is_a_theorem(implies(implies(implies(not(B),B),C),A))
    | is_a_theorem(implies(implies(B,C),A)) ),
    inference(resolution,[status(thm)],[157607576,165964776]),
    [] ).

fof(cn_3,plain,
    ! [A,B] : is_a_theorem(implies(A,implies(not(A),B))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),
    [] ).

cnf(157620400,plain,
    is_a_theorem(implies(A,implies(not(A),B))),
    inference(rewrite,[status(thm)],[cn_3]),
    [] ).

cnf(165448400,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(not(B),C)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[157607576,157620400]),
    [] ).

cnf(165732288,plain,
    is_a_theorem(implies(implies(implies(not(A),B),C),implies(A,C))),
    inference(resolution,[status(thm)],[165448400,157612432]),
    [] ).

cnf(166179672,plain,
    ( ~ is_a_theorem(implies(implies(not(A),B),C))
    | is_a_theorem(implies(A,C)) ),
    inference(resolution,[status(thm)],[157607576,165732288]),
    [] ).

cnf(165429112,plain,
    ( ~ is_a_theorem(A)
    | is_a_theorem(implies(not(A),B)) ),
    inference(resolution,[status(thm)],[157607576,157620400]),
    [] ).

cnf(166239600,plain,
    is_a_theorem(implies(A,A)),
    inference(resolution,[status(thm)],[165418768,165732288]),
    [] ).

cnf(166430480,plain,
    is_a_theorem(implies(not(implies(B,B)),A)),
    inference(resolution,[status(thm)],[165429112,166239600]),
    [] ).

cnf(166550928,plain,
    is_a_theorem(implies(implies(A,B),implies(not(implies(C,C)),B))),
    inference(resolution,[status(thm)],[165650832,166430480]),
    [] ).

cnf(168449768,plain,
    is_a_theorem(implies(A,implies(not(implies(C,C)),B))),
    inference(resolution,[status(thm)],[166179672,166550928]),
    [] ).

cnf(168614920,plain,
    is_a_theorem(implies(implies(implies(not(implies(D,D)),C),B),implies(A,B))),
    inference(resolution,[status(thm)],[165650832,168449768]),
    [] ).

cnf(186387576,plain,
    is_a_theorem(implies(implies(implies(C,C),A),implies(B,A))),
    inference(resolution,[status(thm)],[171205464,168614920]),
    [] ).

cnf(192546952,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(D,D),B),implies(C,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[157607576,186387576]),
    [] ).

cnf(165844256,plain,
    is_a_theorem(implies(implies(implies(implies(C,D),implies(B,D)),A),implies(implies(B,C),A))),
    inference(resolution,[status(thm)],[165650832,157612432]),
    [] ).

cnf(172564816,plain,
    ( ~ is_a_theorem(implies(implies(implies(C,D),implies(B,D)),A))
    | is_a_theorem(implies(implies(B,C),A)) ),
    inference(resolution,[status(thm)],[157607576,165844256]),
    [] ).

cnf(173069168,plain,
    is_a_theorem(implies(implies(A,implies(not(C),C)),implies(implies(C,B),implies(A,B)))),
    inference(resolution,[status(thm)],[172564816,165964776]),
    [] ).

cnf(269814920,plain,
    is_a_theorem(implies(implies(A,C),implies(implies(implies(B,B),A),C))),
    inference(resolution,[status(thm)],[192546952,173069168]),
    [] ).

cnf(458583600,plain,
    is_a_theorem(implies(implies(implies(B,B),implies(not(A),A)),A)),
    inference(resolution,[status(thm)],[165418768,269814920]),
    [] ).

cnf(477105072,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(C,C),implies(not(B),B)),B),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[157607576,458583600]),
    [] ).

cnf(166203016,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(not(B),C),D),implies(B,D)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[157607576,165732288]),
    [] ).

cnf(172883472,plain,
    is_a_theorem(implies(implies(C,not(A)),implies(A,implies(C,B)))),
    inference(resolution,[status(thm)],[166203016,165844256]),
    [] ).

cnf(182255920,plain,
    is_a_theorem(implies(implies(implies(B,implies(D,C)),A),implies(implies(D,not(B)),A))),
    inference(resolution,[status(thm)],[165650832,172883472]),
    [] ).

cnf(512077928,plain,
    is_a_theorem(implies(implies(not(A),not(implies(B,B))),A)),
    inference(resolution,[status(thm)],[477105072,182255920]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[157628272,512077928]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 166 seconds
% START OF PROOF SEQUENCE
% fof(prove_cn_65,plain,(~is_a_theorem(implies(implies(not(x),not(implies(y,y))),x))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),[]).
% 
% cnf(157628272,plain,(~is_a_theorem(implies(implies(not(x),not(implies(y,y))),x))),inference(rewrite,[status(thm)],[prove_cn_65]),[]).
% 
% fof(condensed_detachment,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),[]).
% 
% cnf(157607576,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% fof(cn_2,plain,(is_a_theorem(implies(implies(not(A),A),A))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),[]).
% 
% cnf(157616424,plain,(is_a_theorem(implies(implies(not(A),A),A))),inference(rewrite,[status(thm)],[cn_2]),[]).
% 
% cnf(165418768,plain,(~is_a_theorem(implies(implies(implies(not(B),B),B),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[157607576,157616424]),[]).
% 
% fof(cn_1,plain,(is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),[]).
% 
% cnf(157612432,plain,(is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C))))),inference(rewrite,[status(thm)],[cn_1]),[]).
% 
% cnf(165650832,plain,(~is_a_theorem(implies(A,B))|is_a_theorem(implies(implies(B,C),implies(A,C)))),inference(resolution,[status(thm)],[157607576,157612432]),[]).
% 
% cnf(165711312,plain,(is_a_theorem(implies(implies(A,B),implies(implies(not(A),A),B)))),inference(resolution,[status(thm)],[165418768,157612432]),[]).
% 
% cnf(165964776,plain,(is_a_theorem(implies(implies(implies(implies(not(B),B),C),A),implies(implies(B,C),A)))),inference(resolution,[status(thm)],[165650832,165711312]),[]).
% 
% cnf(171205464,plain,(~is_a_theorem(implies(implies(implies(not(B),B),C),A))|is_a_theorem(implies(implies(B,C),A))),inference(resolution,[status(thm)],[157607576,165964776]),[]).
% 
% fof(cn_3,plain,(is_a_theorem(implies(A,implies(not(A),B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL399-1.tptp',unknown),[]).
% 
% cnf(157620400,plain,(is_a_theorem(implies(A,implies(not(A),B)))),inference(rewrite,[status(thm)],[cn_3]),[]).
% 
% cnf(165448400,plain,(~is_a_theorem(implies(implies(B,implies(not(B),C)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[157607576,157620400]),[]).
% 
% cnf(165732288,plain,(is_a_theorem(implies(implies(implies(not(A),B),C),implies(A,C)))),inference(resolution,[status(thm)],[165448400,157612432]),[]).
% 
% cnf(166179672,plain,(~is_a_theorem(implies(implies(not(A),B),C))|is_a_theorem(implies(A,C))),inference(resolution,[status(thm)],[157607576,165732288]),[]).
% 
% cnf(165429112,plain,(~is_a_theorem(A)|is_a_theorem(implies(not(A),B))),inference(resolution,[status(thm)],[157607576,157620400]),[]).
% 
% cnf(166239600,plain,(is_a_theorem(implies(A,A))),inference(resolution,[status(thm)],[165418768,165732288]),[]).
% 
% cnf(166430480,plain,(is_a_theorem(implies(not(implies(B,B)),A))),inference(resolution,[status(thm)],[165429112,166239600]),[]).
% 
% cnf(166550928,plain,(is_a_theorem(implies(implies(A,B),implies(not(implies(C,C)),B)))),inference(resolution,[status(thm)],[165650832,166430480]),[]).
% 
% cnf(168449768,plain,(is_a_theorem(implies(A,implies(not(implies(C,C)),B)))),inference(resolution,[status(thm)],[166179672,166550928]),[]).
% 
% cnf(168614920,plain,(is_a_theorem(implies(implies(implies(not(implies(D,D)),C),B),implies(A,B)))),inference(resolution,[status(thm)],[165650832,168449768]),[]).
% 
% cnf(186387576,plain,(is_a_theorem(implies(implies(implies(C,C),A),implies(B,A)))),inference(resolution,[status(thm)],[171205464,168614920]),[]).
% 
% cnf(192546952,plain,(~is_a_theorem(implies(implies(implies(implies(D,D),B),implies(C,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[157607576,186387576]),[]).
% 
% cnf(165844256,plain,(is_a_theorem(implies(implies(implies(implies(C,D),implies(B,D)),A),implies(implies(B,C),A)))),inference(resolution,[status(thm)],[165650832,157612432]),[]).
% 
% cnf(172564816,plain,(~is_a_theorem(implies(implies(implies(C,D),implies(B,D)),A))|is_a_theorem(implies(implies(B,C),A))),inference(resolution,[status(thm)],[157607576,165844256]),[]).
% 
% cnf(173069168,plain,(is_a_theorem(implies(implies(A,implies(not(C),C)),implies(implies(C,B),implies(A,B))))),inference(resolution,[status(thm)],[172564816,165964776]),[]).
% 
% cnf(269814920,plain,(is_a_theorem(implies(implies(A,C),implies(implies(implies(B,B),A),C)))),inference(resolution,[status(thm)],[192546952,173069168]),[]).
% 
% cnf(458583600,plain,(is_a_theorem(implies(implies(implies(B,B),implies(not(A),A)),A))),inference(resolution,[status(thm)],[165418768,269814920]),[]).
% 
% cnf(477105072,plain,(~is_a_theorem(implies(implies(implies(implies(C,C),implies(not(B),B)),B),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[157607576,458583600]),[]).
% 
% cnf(166203016,plain,(~is_a_theorem(implies(implies(implies(implies(not(B),C),D),implies(B,D)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[157607576,165732288]),[]).
% 
% cnf(172883472,plain,(is_a_theorem(implies(implies(C,not(A)),implies(A,implies(C,B))))),inference(resolution,[status(thm)],[166203016,165844256]),[]).
% 
% cnf(182255920,plain,(is_a_theorem(implies(implies(implies(B,implies(D,C)),A),implies(implies(D,not(B)),A)))),inference(resolution,[status(thm)],[165650832,172883472]),[]).
% 
% cnf(512077928,plain,(is_a_theorem(implies(implies(not(A),not(implies(B,B))),A))),inference(resolution,[status(thm)],[477105072,182255920]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[157628272,512077928]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------