TSTP Solution File: LCL075-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL075-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art09.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 13:41:12 EDT 2009

% Result   : Unsatisfiable 17.1s
% Output   : Refutation 17.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   19 (  13 unt;   0 def)
%            Number of atoms       :   27 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   18 (  10   ~;   8   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    7 (   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   :   57 (  18 sgn   7   !;   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/LCL075-1.tptp',unknown),
    [] ).

cnf(160086792,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/LCL075-1.tptp',unknown),
    [] ).

cnf(160073528,plain,
    ( ~ is_a_theorem(implies(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

fof(cn_CAMerideth,plain,
    ! [A,B,C,D,E] : is_a_theorem(implies(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E),implies(implies(E,A),implies(D,A)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL075-1.tptp',unknown),
    [] ).

cnf(160078592,plain,
    is_a_theorem(implies(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E),implies(implies(E,A),implies(D,A)))),
    inference(rewrite,[status(thm)],[cn_CAMerideth]),
    [] ).

cnf(168031632,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E))
    | is_a_theorem(implies(implies(E,A),implies(D,A))) ),
    inference(resolution,[status(thm)],[160073528,160078592]),
    [] ).

cnf(169567328,plain,
    is_a_theorem(implies(implies(implies(implies(A,C),implies(E,C)),implies(C,D)),implies(B,implies(C,D)))),
    inference(resolution,[status(thm)],[168031632,160078592]),
    [] ).

cnf(169636160,plain,
    is_a_theorem(implies(implies(implies(C,implies(not(B),D)),A),implies(B,A))),
    inference(resolution,[status(thm)],[168031632,169567328]),
    [] ).

cnf(170106944,plain,
    is_a_theorem(implies(implies(implies(C,C),A),implies(D,A))),
    inference(resolution,[status(thm)],[168031632,169636160]),
    [] ).

cnf(170516424,plain,
    ( ~ is_a_theorem(implies(implies(C,C),A))
    | is_a_theorem(implies(D,A)) ),
    inference(resolution,[status(thm)],[160073528,170106944]),
    [] ).

cnf(170676320,plain,
    is_a_theorem(implies(B,implies(E,implies(D,D)))),
    inference(resolution,[status(thm)],[170516424,170106944]),
    [] ).

cnf(171121976,plain,
    ( ~ is_a_theorem(implies(implies(C,implies(F,implies(E,E))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[160073528,170676320]),
    [] ).

cnf(171235080,plain,
    is_a_theorem(implies(implies(implies(D,implies(C,C)),E),implies(H,E))),
    inference(resolution,[status(thm)],[171121976,160078592]),
    [] ).

cnf(175506728,plain,
    is_a_theorem(implies(implies(implies(H,C),A),implies(C,A))),
    inference(resolution,[status(thm)],[168031632,171235080]),
    [] ).

cnf(175585480,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(I,D),B),implies(D,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[160073528,175506728]),
    [] ).

cnf(175892824,plain,
    is_a_theorem(implies(implies(implies(implies(not(C),not(D)),C),A),implies(D,A))),
    inference(resolution,[status(thm)],[168031632,175506728]),
    [] ).

cnf(215129448,plain,
    is_a_theorem(implies(H,implies(not(H),A))),
    inference(resolution,[status(thm)],[175585480,175892824]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[160086792,215129448]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 17 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/LCL075-1.tptp',unknown),[]).
% 
% cnf(160086792,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/LCL075-1.tptp',unknown),[]).
% 
% cnf(160073528,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% fof(cn_CAMerideth,plain,(is_a_theorem(implies(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E),implies(implies(E,A),implies(D,A))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL075-1.tptp',unknown),[]).
% 
% cnf(160078592,plain,(is_a_theorem(implies(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E),implies(implies(E,A),implies(D,A))))),inference(rewrite,[status(thm)],[cn_CAMerideth]),[]).
% 
% cnf(168031632,plain,(~is_a_theorem(implies(implies(implies(implies(A,B),implies(not(C),not(D))),C),E))|is_a_theorem(implies(implies(E,A),implies(D,A)))),inference(resolution,[status(thm)],[160073528,160078592]),[]).
% 
% cnf(169567328,plain,(is_a_theorem(implies(implies(implies(implies(A,C),implies(E,C)),implies(C,D)),implies(B,implies(C,D))))),inference(resolution,[status(thm)],[168031632,160078592]),[]).
% 
% cnf(169636160,plain,(is_a_theorem(implies(implies(implies(C,implies(not(B),D)),A),implies(B,A)))),inference(resolution,[status(thm)],[168031632,169567328]),[]).
% 
% cnf(170106944,plain,(is_a_theorem(implies(implies(implies(C,C),A),implies(D,A)))),inference(resolution,[status(thm)],[168031632,169636160]),[]).
% 
% cnf(170516424,plain,(~is_a_theorem(implies(implies(C,C),A))|is_a_theorem(implies(D,A))),inference(resolution,[status(thm)],[160073528,170106944]),[]).
% 
% cnf(170676320,plain,(is_a_theorem(implies(B,implies(E,implies(D,D))))),inference(resolution,[status(thm)],[170516424,170106944]),[]).
% 
% cnf(171121976,plain,(~is_a_theorem(implies(implies(C,implies(F,implies(E,E))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[160073528,170676320]),[]).
% 
% cnf(171235080,plain,(is_a_theorem(implies(implies(implies(D,implies(C,C)),E),implies(H,E)))),inference(resolution,[status(thm)],[171121976,160078592]),[]).
% 
% cnf(175506728,plain,(is_a_theorem(implies(implies(implies(H,C),A),implies(C,A)))),inference(resolution,[status(thm)],[168031632,171235080]),[]).
% 
% cnf(175585480,plain,(~is_a_theorem(implies(implies(implies(implies(I,D),B),implies(D,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[160073528,175506728]),[]).
% 
% cnf(175892824,plain,(is_a_theorem(implies(implies(implies(implies(not(C),not(D)),C),A),implies(D,A)))),inference(resolution,[status(thm)],[168031632,175506728]),[]).
% 
% cnf(215129448,plain,(is_a_theorem(implies(H,implies(not(H),A)))),inference(resolution,[status(thm)],[175585480,175892824]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[160086792,215129448]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------