TSTP Solution File: LCL066-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL066-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art10.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 13:41:03 EDT 2009

% Result   : Unsatisfiable 2.5s
% Output   : Refutation 2.5s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   41 (  27 unt;   0 def)
%            Number of atoms       :   57 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   34 (  18   ~;  16   |;   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   :   91 (  20 sgn   9   !;   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/LCL066-1.tptp',unknown),
    [] ).

cnf(168663672,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/LCL066-1.tptp',unknown),
    [] ).

cnf(168643024,plain,
    ( ~ is_a_theorem(implies(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

fof(cn_18,plain,
    ! [A,B] : is_a_theorem(implies(A,implies(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL066-1.tptp',unknown),
    [] ).

cnf(168647808,plain,
    is_a_theorem(implies(A,implies(B,A))),
    inference(rewrite,[status(thm)],[cn_18]),
    [] ).

cnf(176426776,plain,
    ( ~ is_a_theorem(A)
    | is_a_theorem(implies(B,A)) ),
    inference(resolution,[status(thm)],[168643024,168647808]),
    [] ).

cnf(176670232,plain,
    is_a_theorem(implies(A,implies(B,implies(C,B)))),
    inference(resolution,[status(thm)],[176426776,168647808]),
    [] ).

cnf(176889792,plain,
    ( ~ is_a_theorem(implies(implies(A,implies(B,implies(C,B))),D))
    | is_a_theorem(D) ),
    inference(resolution,[status(thm)],[176670232,168643024]),
    [] ).

fof(cn_35,plain,
    ! [A,B,C] : is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(A,B),implies(A,C)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL066-1.tptp',unknown),
    [] ).

cnf(168651952,plain,
    is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(A,B),implies(A,C)))),
    inference(rewrite,[status(thm)],[cn_35]),
    [] ).

cnf(187850120,plain,
    is_a_theorem(implies(implies(A,B),implies(A,implies(C,B)))),
    inference(resolution,[status(thm)],[176889792,168651952]),
    [] ).

cnf(188391688,plain,
    ( ~ is_a_theorem(implies(A,B))
    | is_a_theorem(implies(A,implies(C,B))) ),
    inference(resolution,[status(thm)],[168643024,187850120]),
    [] ).

fof(cn_49,plain,
    ! [A,B] : is_a_theorem(implies(implies(not(A),not(B)),implies(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL066-1.tptp',unknown),
    [] ).

cnf(168655856,plain,
    is_a_theorem(implies(implies(not(A),not(B)),implies(B,A))),
    inference(rewrite,[status(thm)],[cn_49]),
    [] ).

cnf(176589816,plain,
    ( ~ is_a_theorem(implies(not(A),not(B)))
    | is_a_theorem(implies(B,A)) ),
    inference(resolution,[status(thm)],[168643024,168655856]),
    [] ).

cnf(176638040,plain,
    ( ~ is_a_theorem(implies(implies(implies(B,implies(C,D)),implies(implies(B,C),implies(B,D))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[168643024,168651952]),
    [] ).

cnf(176618640,plain,
    ( ~ is_a_theorem(implies(A,implies(B,C)))
    | is_a_theorem(implies(implies(A,B),implies(A,C))) ),
    inference(resolution,[status(thm)],[168643024,168651952]),
    [] ).

cnf(176446168,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(C,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[168643024,168647808]),
    [] ).

cnf(177362640,plain,
    is_a_theorem(implies(implies(A,B),implies(A,A))),
    inference(resolution,[status(thm)],[176446168,168651952]),
    [] ).

cnf(177466456,plain,
    is_a_theorem(implies(A,A)),
    inference(resolution,[status(thm)],[177362640,176446168]),
    [] ).

cnf(177484872,plain,
    is_a_theorem(implies(B,implies(A,A))),
    inference(resolution,[status(thm)],[177466456,176426776]),
    [] ).

cnf(177572416,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(A,A)),C))
    | is_a_theorem(C) ),
    inference(resolution,[status(thm)],[177484872,168643024]),
    [] ).

cnf(177505648,plain,
    ( ~ is_a_theorem(implies(implies(A,A),B))
    | is_a_theorem(B) ),
    inference(resolution,[status(thm)],[177466456,168643024]),
    [] ).

cnf(179777824,plain,
    is_a_theorem(implies(implies(implies(A,B),A),implies(implies(A,B),B))),
    inference(resolution,[status(thm)],[177505648,168651952]),
    [] ).

cnf(188136400,plain,
    is_a_theorem(implies(implies(implies(A,A),B),B)),
    inference(resolution,[status(thm)],[177572416,179777824]),
    [] ).

cnf(188332176,plain,
    is_a_theorem(implies(A,implies(implies(implies(B,B),C),C))),
    inference(resolution,[status(thm)],[176426776,188136400]),
    [] ).

cnf(189347000,plain,
    is_a_theorem(implies(implies(A,implies(implies(C,C),B)),implies(A,B))),
    inference(resolution,[status(thm)],[176618640,188332176]),
    [] ).

cnf(193054088,plain,
    is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B))),
    inference(resolution,[status(thm)],[176638040,189347000]),
    [] ).

cnf(193595320,plain,
    ( ~ is_a_theorem(implies(A,implies(A,B)))
    | is_a_theorem(implies(A,B)) ),
    inference(resolution,[status(thm)],[168643024,193054088]),
    [] ).

cnf(176732728,plain,
    is_a_theorem(implies(A,implies(implies(not(B),not(C)),implies(C,B)))),
    inference(resolution,[status(thm)],[176426776,168655856]),
    [] ).

cnf(187963536,plain,
    is_a_theorem(implies(implies(A,implies(not(B),not(C))),implies(A,implies(C,B)))),
    inference(resolution,[status(thm)],[176618640,176732728]),
    [] ).

cnf(200834456,plain,
    is_a_theorem(implies(not(B),implies(B,A))),
    inference(resolution,[status(thm)],[176446168,187963536]),
    [] ).

cnf(201469440,plain,
    ( ~ is_a_theorem(implies(implies(not(C),implies(C,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[168643024,200834456]),
    [] ).

cnf(201772616,plain,
    is_a_theorem(implies(not(not(A)),implies(B,A))),
    inference(resolution,[status(thm)],[201469440,187963536]),
    [] ).

cnf(202361072,plain,
    is_a_theorem(implies(not(not(A)),A)),
    inference(resolution,[status(thm)],[193595320,201772616]),
    [] ).

cnf(202581400,plain,
    is_a_theorem(implies(A,not(not(A)))),
    inference(resolution,[status(thm)],[176589816,202361072]),
    [] ).

cnf(204008048,plain,
    is_a_theorem(implies(A,implies(B,not(not(A))))),
    inference(resolution,[status(thm)],[188391688,202581400]),
    [] ).

cnf(210477680,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(C,not(not(B)))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[168643024,204008048]),
    [] ).

cnf(212161848,plain,
    is_a_theorem(implies(A,implies(not(A),B))),
    inference(resolution,[status(thm)],[210477680,187963536]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[168663672,212161848]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 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/LCL066-1.tptp',unknown),[]).
% 
% cnf(168663672,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/LCL066-1.tptp',unknown),[]).
% 
% cnf(168643024,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% fof(cn_18,plain,(is_a_theorem(implies(A,implies(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL066-1.tptp',unknown),[]).
% 
% cnf(168647808,plain,(is_a_theorem(implies(A,implies(B,A)))),inference(rewrite,[status(thm)],[cn_18]),[]).
% 
% cnf(176426776,plain,(~is_a_theorem(A)|is_a_theorem(implies(B,A))),inference(resolution,[status(thm)],[168643024,168647808]),[]).
% 
% cnf(176670232,plain,(is_a_theorem(implies(A,implies(B,implies(C,B))))),inference(resolution,[status(thm)],[176426776,168647808]),[]).
% 
% cnf(176889792,plain,(~is_a_theorem(implies(implies(A,implies(B,implies(C,B))),D))|is_a_theorem(D)),inference(resolution,[status(thm)],[176670232,168643024]),[]).
% 
% fof(cn_35,plain,(is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(A,B),implies(A,C))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL066-1.tptp',unknown),[]).
% 
% cnf(168651952,plain,(is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(A,B),implies(A,C))))),inference(rewrite,[status(thm)],[cn_35]),[]).
% 
% cnf(187850120,plain,(is_a_theorem(implies(implies(A,B),implies(A,implies(C,B))))),inference(resolution,[status(thm)],[176889792,168651952]),[]).
% 
% cnf(188391688,plain,(~is_a_theorem(implies(A,B))|is_a_theorem(implies(A,implies(C,B)))),inference(resolution,[status(thm)],[168643024,187850120]),[]).
% 
% fof(cn_49,plain,(is_a_theorem(implies(implies(not(A),not(B)),implies(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL066-1.tptp',unknown),[]).
% 
% cnf(168655856,plain,(is_a_theorem(implies(implies(not(A),not(B)),implies(B,A)))),inference(rewrite,[status(thm)],[cn_49]),[]).
% 
% cnf(176589816,plain,(~is_a_theorem(implies(not(A),not(B)))|is_a_theorem(implies(B,A))),inference(resolution,[status(thm)],[168643024,168655856]),[]).
% 
% cnf(176638040,plain,(~is_a_theorem(implies(implies(implies(B,implies(C,D)),implies(implies(B,C),implies(B,D))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[168643024,168651952]),[]).
% 
% cnf(176618640,plain,(~is_a_theorem(implies(A,implies(B,C)))|is_a_theorem(implies(implies(A,B),implies(A,C)))),inference(resolution,[status(thm)],[168643024,168651952]),[]).
% 
% cnf(176446168,plain,(~is_a_theorem(implies(implies(B,implies(C,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[168643024,168647808]),[]).
% 
% cnf(177362640,plain,(is_a_theorem(implies(implies(A,B),implies(A,A)))),inference(resolution,[status(thm)],[176446168,168651952]),[]).
% 
% cnf(177466456,plain,(is_a_theorem(implies(A,A))),inference(resolution,[status(thm)],[177362640,176446168]),[]).
% 
% cnf(177484872,plain,(is_a_theorem(implies(B,implies(A,A)))),inference(resolution,[status(thm)],[177466456,176426776]),[]).
% 
% cnf(177572416,plain,(~is_a_theorem(implies(implies(B,implies(A,A)),C))|is_a_theorem(C)),inference(resolution,[status(thm)],[177484872,168643024]),[]).
% 
% cnf(177505648,plain,(~is_a_theorem(implies(implies(A,A),B))|is_a_theorem(B)),inference(resolution,[status(thm)],[177466456,168643024]),[]).
% 
% cnf(179777824,plain,(is_a_theorem(implies(implies(implies(A,B),A),implies(implies(A,B),B)))),inference(resolution,[status(thm)],[177505648,168651952]),[]).
% 
% cnf(188136400,plain,(is_a_theorem(implies(implies(implies(A,A),B),B))),inference(resolution,[status(thm)],[177572416,179777824]),[]).
% 
% cnf(188332176,plain,(is_a_theorem(implies(A,implies(implies(implies(B,B),C),C)))),inference(resolution,[status(thm)],[176426776,188136400]),[]).
% 
% cnf(189347000,plain,(is_a_theorem(implies(implies(A,implies(implies(C,C),B)),implies(A,B)))),inference(resolution,[status(thm)],[176618640,188332176]),[]).
% 
% cnf(193054088,plain,(is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B)))),inference(resolution,[status(thm)],[176638040,189347000]),[]).
% 
% cnf(193595320,plain,(~is_a_theorem(implies(A,implies(A,B)))|is_a_theorem(implies(A,B))),inference(resolution,[status(thm)],[168643024,193054088]),[]).
% 
% cnf(176732728,plain,(is_a_theorem(implies(A,implies(implies(not(B),not(C)),implies(C,B))))),inference(resolution,[status(thm)],[176426776,168655856]),[]).
% 
% cnf(187963536,plain,(is_a_theorem(implies(implies(A,implies(not(B),not(C))),implies(A,implies(C,B))))),inference(resolution,[status(thm)],[176618640,176732728]),[]).
% 
% cnf(200834456,plain,(is_a_theorem(implies(not(B),implies(B,A)))),inference(resolution,[status(thm)],[176446168,187963536]),[]).
% 
% cnf(201469440,plain,(~is_a_theorem(implies(implies(not(C),implies(C,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[168643024,200834456]),[]).
% 
% cnf(201772616,plain,(is_a_theorem(implies(not(not(A)),implies(B,A)))),inference(resolution,[status(thm)],[201469440,187963536]),[]).
% 
% cnf(202361072,plain,(is_a_theorem(implies(not(not(A)),A))),inference(resolution,[status(thm)],[193595320,201772616]),[]).
% 
% cnf(202581400,plain,(is_a_theorem(implies(A,not(not(A))))),inference(resolution,[status(thm)],[176589816,202361072]),[]).
% 
% cnf(204008048,plain,(is_a_theorem(implies(A,implies(B,not(not(A)))))),inference(resolution,[status(thm)],[188391688,202581400]),[]).
% 
% cnf(210477680,plain,(~is_a_theorem(implies(implies(B,implies(C,not(not(B)))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[168643024,204008048]),[]).
% 
% cnf(212161848,plain,(is_a_theorem(implies(A,implies(not(A),B)))),inference(resolution,[status(thm)],[210477680,187963536]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[168663672,212161848]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------