TSTP Solution File: LCL072-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL072-1 : TPTP v3.4.2. Released v1.0.0.
% 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 13:41:10 EDT 2009

% Result   : Unsatisfiable 213.8s
% Output   : Refutation 213.8s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   43 (  27 unt;   0 def)
%            Number of atoms       :   61 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   38 (  20   ~;  18   |;   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   :  112 (  30 sgn  12   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_cn_3,plain,
    ~ is_a_theorem(implies(a,implies(not(a),b))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),
    [] ).

cnf(162600672,plain,
    ~ is_a_theorem(implies(a,implies(not(a),b))),
    inference(rewrite,[status(thm)],[prove_cn_3]),
    [] ).

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/LCL072-1.tptp',unknown),
    [] ).

cnf(162579784,plain,
    ( ~ is_a_theorem(implies(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

fof(cn_37,plain,
    ! [A,B,C] : is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),
    [] ).

cnf(162588800,plain,
    is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C))),
    inference(rewrite,[status(thm)],[cn_37]),
    [] ).

cnf(170472256,plain,
    ( ~ is_a_theorem(implies(implies(A,B),C))
    | is_a_theorem(implies(not(A),C)) ),
    inference(resolution,[status(thm)],[162579784,162588800]),
    [] ).

fof(cn_19,plain,
    ! [A,B,C] : is_a_theorem(implies(implies(implies(A,B),C),implies(B,C))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),
    [] ).

cnf(162584640,plain,
    is_a_theorem(implies(implies(implies(A,B),C),implies(B,C))),
    inference(rewrite,[status(thm)],[cn_19]),
    [] ).

cnf(170391472,plain,
    ( ~ is_a_theorem(implies(implies(A,B),C))
    | is_a_theorem(implies(B,C)) ),
    inference(resolution,[status(thm)],[162579784,162584640]),
    [] ).

cnf(170689800,plain,
    is_a_theorem(implies(A,implies(C,A))),
    inference(resolution,[status(thm)],[170391472,162584640]),
    [] ).

cnf(171949872,plain,
    is_a_theorem(implies(not(A),implies(D,implies(A,B)))),
    inference(resolution,[status(thm)],[170472256,170689800]),
    [] ).

cnf(173200304,plain,
    ( ~ is_a_theorem(implies(implies(not(A),implies(D,implies(A,B))),E))
    | is_a_theorem(E) ),
    inference(resolution,[status(thm)],[171949872,162579784]),
    [] ).

cnf(170410888,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(B,C),D),implies(C,D)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,162584640]),
    [] ).

cnf(170491576,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(B,C),D),implies(not(B),D)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,162588800]),
    [] ).

fof(cn_60,plain,
    ! [A,B,C,D] : is_a_theorem(implies(implies(A,implies(not(B),C)),implies(A,implies(implies(D,C),implies(implies(B,D),C))))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),
    [] ).

cnf(162592816,plain,
    is_a_theorem(implies(implies(A,implies(not(B),C)),implies(A,implies(implies(D,C),implies(implies(B,D),C))))),
    inference(rewrite,[status(thm)],[cn_60]),
    [] ).

cnf(182289520,plain,
    is_a_theorem(implies(implies(implies(A,B),C),implies(implies(D,C),implies(implies(A,D),C)))),
    inference(resolution,[status(thm)],[170491576,162592816]),
    [] ).

cnf(195653968,plain,
    is_a_theorem(implies(implies(D,implies(B,C)),implies(implies(implies(A,B),D),implies(B,C)))),
    inference(resolution,[status(thm)],[170410888,182289520]),
    [] ).

cnf(294256896,plain,
    is_a_theorem(implies(implies(implies(E,D),not(A)),implies(D,implies(A,B)))),
    inference(resolution,[status(thm)],[173200304,195653968]),
    [] ).

cnf(312884168,plain,
    ( ~ is_a_theorem(implies(implies(E,D),not(A)))
    | is_a_theorem(implies(D,implies(A,B))) ),
    inference(resolution,[status(thm)],[162579784,294256896]),
    [] ).

cnf(294114320,plain,
    is_a_theorem(implies(implies(implies(D,B),implies(implies(A,B),C)),implies(B,C))),
    inference(resolution,[status(thm)],[170410888,195653968]),
    [] ).

cnf(356257568,plain,
    is_a_theorem(implies(B,B)),
    inference(resolution,[status(thm)],[170410888,294114320]),
    [] ).

cnf(357359648,plain,
    ( ~ is_a_theorem(implies(implies(C,C),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,356257568]),
    [] ).

cnf(356194960,plain,
    ( ~ is_a_theorem(implies(implies(D,B),implies(implies(A,B),C)))
    | is_a_theorem(implies(B,C)) ),
    inference(resolution,[status(thm)],[162579784,294114320]),
    [] ).

cnf(356949912,plain,
    is_a_theorem(implies(not(B),implies(B,C))),
    inference(resolution,[status(thm)],[356194960,294256896]),
    [] ).

cnf(359709032,plain,
    ( ~ is_a_theorem(implies(implies(not(C),implies(C,D)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,356949912]),
    [] ).

cnf(175415648,plain,
    is_a_theorem(implies(implies(implies(A,not(C)),B),implies(implies(D,B),implies(implies(C,D),B)))),
    inference(resolution,[status(thm)],[170410888,162592816]),
    [] ).

cnf(194825704,plain,
    is_a_theorem(implies(implies(D,implies(B,not(C))),implies(implies(C,D),implies(B,not(C))))),
    inference(resolution,[status(thm)],[170410888,175415648]),
    [] ).

cnf(360262328,plain,
    is_a_theorem(implies(implies(D,not(B)),implies(B,not(D)))),
    inference(resolution,[status(thm)],[359709032,194825704]),
    [] ).

cnf(370513528,plain,
    is_a_theorem(implies(C,not(not(C)))),
    inference(resolution,[status(thm)],[357359648,360262328]),
    [] ).

cnf(376300120,plain,
    ( ~ is_a_theorem(implies(implies(D,not(not(D))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,370513528]),
    [] ).

cnf(170778528,plain,
    ( ~ is_a_theorem(implies(implies(A,implies(C,A)),D))
    | is_a_theorem(D) ),
    inference(resolution,[status(thm)],[170689800,162579784]),
    [] ).

cnf(204141184,plain,
    is_a_theorem(implies(implies(D,not(D)),implies(B,not(D)))),
    inference(resolution,[status(thm)],[170778528,194825704]),
    [] ).

cnf(204640640,plain,
    ( ~ is_a_theorem(implies(implies(implies(E,not(E)),implies(C,not(E))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,204141184]),
    [] ).

cnf(205059840,plain,
    is_a_theorem(implies(implies(D,implies(D,not(D))),implies(B,not(D)))),
    inference(resolution,[status(thm)],[204640640,194825704]),
    [] ).

cnf(206436592,plain,
    ( ~ is_a_theorem(implies(implies(implies(E,implies(E,not(E))),implies(C,not(E))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,205059840]),
    [] ).

cnf(356798000,plain,
    is_a_theorem(implies(implies(C,not(C)),not(C))),
    inference(resolution,[status(thm)],[206436592,294114320]),
    [] ).

cnf(360480752,plain,
    ( ~ is_a_theorem(implies(implies(implies(D,not(D)),not(D)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[162579784,356798000]),
    [] ).

cnf(361082248,plain,
    is_a_theorem(implies(implies(D,not(C)),implies(implies(C,D),not(C)))),
    inference(resolution,[status(thm)],[360480752,175415648]),
    [] ).

cnf(621319272,plain,
    is_a_theorem(implies(implies(not(C),C),not(not(C)))),
    inference(resolution,[status(thm)],[376300120,361082248]),
    [] ).

cnf(629328240,plain,
    is_a_theorem(implies(C,implies(not(C),A))),
    inference(resolution,[status(thm)],[312884168,621319272]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[162600672,629328240]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 213 seconds
% START OF PROOF SEQUENCE
% fof(prove_cn_3,plain,(~is_a_theorem(implies(a,implies(not(a),b)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),[]).
% 
% cnf(162600672,plain,(~is_a_theorem(implies(a,implies(not(a),b)))),inference(rewrite,[status(thm)],[prove_cn_3]),[]).
% 
% 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/LCL072-1.tptp',unknown),[]).
% 
% cnf(162579784,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% fof(cn_37,plain,(is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),[]).
% 
% cnf(162588800,plain,(is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C)))),inference(rewrite,[status(thm)],[cn_37]),[]).
% 
% cnf(170472256,plain,(~is_a_theorem(implies(implies(A,B),C))|is_a_theorem(implies(not(A),C))),inference(resolution,[status(thm)],[162579784,162588800]),[]).
% 
% fof(cn_19,plain,(is_a_theorem(implies(implies(implies(A,B),C),implies(B,C)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),[]).
% 
% cnf(162584640,plain,(is_a_theorem(implies(implies(implies(A,B),C),implies(B,C)))),inference(rewrite,[status(thm)],[cn_19]),[]).
% 
% cnf(170391472,plain,(~is_a_theorem(implies(implies(A,B),C))|is_a_theorem(implies(B,C))),inference(resolution,[status(thm)],[162579784,162584640]),[]).
% 
% cnf(170689800,plain,(is_a_theorem(implies(A,implies(C,A)))),inference(resolution,[status(thm)],[170391472,162584640]),[]).
% 
% cnf(171949872,plain,(is_a_theorem(implies(not(A),implies(D,implies(A,B))))),inference(resolution,[status(thm)],[170472256,170689800]),[]).
% 
% cnf(173200304,plain,(~is_a_theorem(implies(implies(not(A),implies(D,implies(A,B))),E))|is_a_theorem(E)),inference(resolution,[status(thm)],[171949872,162579784]),[]).
% 
% cnf(170410888,plain,(~is_a_theorem(implies(implies(implies(implies(B,C),D),implies(C,D)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,162584640]),[]).
% 
% cnf(170491576,plain,(~is_a_theorem(implies(implies(implies(implies(B,C),D),implies(not(B),D)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,162588800]),[]).
% 
% fof(cn_60,plain,(is_a_theorem(implies(implies(A,implies(not(B),C)),implies(A,implies(implies(D,C),implies(implies(B,D),C)))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL072-1.tptp',unknown),[]).
% 
% cnf(162592816,plain,(is_a_theorem(implies(implies(A,implies(not(B),C)),implies(A,implies(implies(D,C),implies(implies(B,D),C)))))),inference(rewrite,[status(thm)],[cn_60]),[]).
% 
% cnf(182289520,plain,(is_a_theorem(implies(implies(implies(A,B),C),implies(implies(D,C),implies(implies(A,D),C))))),inference(resolution,[status(thm)],[170491576,162592816]),[]).
% 
% cnf(195653968,plain,(is_a_theorem(implies(implies(D,implies(B,C)),implies(implies(implies(A,B),D),implies(B,C))))),inference(resolution,[status(thm)],[170410888,182289520]),[]).
% 
% cnf(294256896,plain,(is_a_theorem(implies(implies(implies(E,D),not(A)),implies(D,implies(A,B))))),inference(resolution,[status(thm)],[173200304,195653968]),[]).
% 
% cnf(312884168,plain,(~is_a_theorem(implies(implies(E,D),not(A)))|is_a_theorem(implies(D,implies(A,B)))),inference(resolution,[status(thm)],[162579784,294256896]),[]).
% 
% cnf(294114320,plain,(is_a_theorem(implies(implies(implies(D,B),implies(implies(A,B),C)),implies(B,C)))),inference(resolution,[status(thm)],[170410888,195653968]),[]).
% 
% cnf(356257568,plain,(is_a_theorem(implies(B,B))),inference(resolution,[status(thm)],[170410888,294114320]),[]).
% 
% cnf(357359648,plain,(~is_a_theorem(implies(implies(C,C),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,356257568]),[]).
% 
% cnf(356194960,plain,(~is_a_theorem(implies(implies(D,B),implies(implies(A,B),C)))|is_a_theorem(implies(B,C))),inference(resolution,[status(thm)],[162579784,294114320]),[]).
% 
% cnf(356949912,plain,(is_a_theorem(implies(not(B),implies(B,C)))),inference(resolution,[status(thm)],[356194960,294256896]),[]).
% 
% cnf(359709032,plain,(~is_a_theorem(implies(implies(not(C),implies(C,D)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,356949912]),[]).
% 
% cnf(175415648,plain,(is_a_theorem(implies(implies(implies(A,not(C)),B),implies(implies(D,B),implies(implies(C,D),B))))),inference(resolution,[status(thm)],[170410888,162592816]),[]).
% 
% cnf(194825704,plain,(is_a_theorem(implies(implies(D,implies(B,not(C))),implies(implies(C,D),implies(B,not(C)))))),inference(resolution,[status(thm)],[170410888,175415648]),[]).
% 
% cnf(360262328,plain,(is_a_theorem(implies(implies(D,not(B)),implies(B,not(D))))),inference(resolution,[status(thm)],[359709032,194825704]),[]).
% 
% cnf(370513528,plain,(is_a_theorem(implies(C,not(not(C))))),inference(resolution,[status(thm)],[357359648,360262328]),[]).
% 
% cnf(376300120,plain,(~is_a_theorem(implies(implies(D,not(not(D))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,370513528]),[]).
% 
% cnf(170778528,plain,(~is_a_theorem(implies(implies(A,implies(C,A)),D))|is_a_theorem(D)),inference(resolution,[status(thm)],[170689800,162579784]),[]).
% 
% cnf(204141184,plain,(is_a_theorem(implies(implies(D,not(D)),implies(B,not(D))))),inference(resolution,[status(thm)],[170778528,194825704]),[]).
% 
% cnf(204640640,plain,(~is_a_theorem(implies(implies(implies(E,not(E)),implies(C,not(E))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,204141184]),[]).
% 
% cnf(205059840,plain,(is_a_theorem(implies(implies(D,implies(D,not(D))),implies(B,not(D))))),inference(resolution,[status(thm)],[204640640,194825704]),[]).
% 
% cnf(206436592,plain,(~is_a_theorem(implies(implies(implies(E,implies(E,not(E))),implies(C,not(E))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,205059840]),[]).
% 
% cnf(356798000,plain,(is_a_theorem(implies(implies(C,not(C)),not(C)))),inference(resolution,[status(thm)],[206436592,294114320]),[]).
% 
% cnf(360480752,plain,(~is_a_theorem(implies(implies(implies(D,not(D)),not(D)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[162579784,356798000]),[]).
% 
% cnf(361082248,plain,(is_a_theorem(implies(implies(D,not(C)),implies(implies(C,D),not(C))))),inference(resolution,[status(thm)],[360480752,175415648]),[]).
% 
% cnf(621319272,plain,(is_a_theorem(implies(implies(not(C),C),not(not(C))))),inference(resolution,[status(thm)],[376300120,361082248]),[]).
% 
% cnf(629328240,plain,(is_a_theorem(implies(C,implies(not(C),A)))),inference(resolution,[status(thm)],[312884168,621319272]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[162600672,629328240]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------