TSTP Solution File: LCL077-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL077-1 : 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 13:41:19 EDT 2009

% Result   : Unsatisfiable 1.5s
% Output   : Refutation 1.5s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   32 (  22 unt;   0 def)
%            Number of atoms       :   44 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   26 (  14   ~;  12   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :   68 (  11 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_cn_39,plain,
    ~ is_a_theorem(implies(not(not(a)),a)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL077-1.tptp',unknown),
    [] ).

cnf(153765600,plain,
    ~ is_a_theorem(implies(not(not(a)),a)),
    inference(rewrite,[status(thm)],[prove_cn_39]),
    [] ).

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/LCL077-1.tptp',unknown),
    [] ).

cnf(153745040,plain,
    ( ~ is_a_theorem(implies(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

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/LCL077-1.tptp',unknown),
    [] ).

cnf(153753904,plain,
    is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(A,B),implies(A,C)))),
    inference(rewrite,[status(thm)],[cn_35]),
    [] ).

cnf(161713872,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)],[153745040,153753904]),
    [] ).

cnf(161694472,plain,
    ( ~ is_a_theorem(implies(A,implies(B,C)))
    | is_a_theorem(implies(implies(A,B),implies(A,C))) ),
    inference(resolution,[status(thm)],[153745040,153753904]),
    [] ).

fof(cn_18,plain,
    ! [A,B] : is_a_theorem(implies(A,implies(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL077-1.tptp',unknown),
    [] ).

cnf(153749792,plain,
    is_a_theorem(implies(A,implies(B,A))),
    inference(rewrite,[status(thm)],[cn_18]),
    [] ).

cnf(161523592,plain,
    ( ~ is_a_theorem(A)
    | is_a_theorem(implies(B,A)) ),
    inference(resolution,[status(thm)],[153745040,153749792]),
    [] ).

cnf(161542944,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(C,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[153745040,153749792]),
    [] ).

cnf(162408952,plain,
    is_a_theorem(implies(implies(A,B),implies(A,A))),
    inference(resolution,[status(thm)],[161542944,153753904]),
    [] ).

cnf(162516840,plain,
    is_a_theorem(implies(A,A)),
    inference(resolution,[status(thm)],[162408952,161542944]),
    [] ).

cnf(162531168,plain,
    is_a_theorem(implies(B,implies(A,A))),
    inference(resolution,[status(thm)],[162516840,161523592]),
    [] ).

cnf(162609648,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(A,A)),C))
    | is_a_theorem(C) ),
    inference(resolution,[status(thm)],[162531168,153745040]),
    [] ).

cnf(162551144,plain,
    ( ~ is_a_theorem(implies(implies(A,A),B))
    | is_a_theorem(B) ),
    inference(resolution,[status(thm)],[162516840,153745040]),
    [] ).

cnf(164550968,plain,
    is_a_theorem(implies(implies(implies(A,B),A),implies(implies(A,B),B))),
    inference(resolution,[status(thm)],[162551144,153753904]),
    [] ).

cnf(171979032,plain,
    is_a_theorem(implies(implies(implies(A,A),B),B)),
    inference(resolution,[status(thm)],[162609648,164550968]),
    [] ).

cnf(172242872,plain,
    is_a_theorem(implies(A,implies(implies(implies(B,B),C),C))),
    inference(resolution,[status(thm)],[161523592,171979032]),
    [] ).

cnf(172840336,plain,
    is_a_theorem(implies(implies(A,implies(implies(C,C),B)),implies(A,B))),
    inference(resolution,[status(thm)],[161694472,172242872]),
    [] ).

cnf(181746752,plain,
    is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B))),
    inference(resolution,[status(thm)],[161713872,172840336]),
    [] ).

cnf(182389488,plain,
    ( ~ is_a_theorem(implies(A,implies(A,B)))
    | is_a_theorem(implies(A,B)) ),
    inference(resolution,[status(thm)],[153745040,181746752]),
    [] ).

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/LCL077-1.tptp',unknown),
    [] ).

cnf(153757808,plain,
    is_a_theorem(implies(implies(not(A),not(B)),implies(B,A))),
    inference(rewrite,[status(thm)],[cn_49]),
    [] ).

cnf(161807760,plain,
    is_a_theorem(implies(A,implies(implies(not(B),not(C)),implies(C,B)))),
    inference(resolution,[status(thm)],[161523592,153757808]),
    [] ).

cnf(170716840,plain,
    is_a_theorem(implies(implies(A,implies(not(B),not(C))),implies(A,implies(C,B)))),
    inference(resolution,[status(thm)],[161694472,161807760]),
    [] ).

cnf(185230656,plain,
    is_a_theorem(implies(not(B),implies(B,A))),
    inference(resolution,[status(thm)],[161542944,170716840]),
    [] ).

cnf(185865392,plain,
    ( ~ is_a_theorem(implies(implies(not(C),implies(C,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[153745040,185230656]),
    [] ).

cnf(186170144,plain,
    is_a_theorem(implies(not(not(A)),implies(B,A))),
    inference(resolution,[status(thm)],[185865392,170716840]),
    [] ).

cnf(186722552,plain,
    is_a_theorem(implies(not(not(A)),A)),
    inference(resolution,[status(thm)],[182389488,186170144]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[153765600,186722552]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 seconds
% START OF PROOF SEQUENCE
% fof(prove_cn_39,plain,(~is_a_theorem(implies(not(not(a)),a))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL077-1.tptp',unknown),[]).
% 
% cnf(153765600,plain,(~is_a_theorem(implies(not(not(a)),a))),inference(rewrite,[status(thm)],[prove_cn_39]),[]).
% 
% 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/LCL077-1.tptp',unknown),[]).
% 
% cnf(153745040,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% 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/LCL077-1.tptp',unknown),[]).
% 
% cnf(153753904,plain,(is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(A,B),implies(A,C))))),inference(rewrite,[status(thm)],[cn_35]),[]).
% 
% cnf(161713872,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)],[153745040,153753904]),[]).
% 
% cnf(161694472,plain,(~is_a_theorem(implies(A,implies(B,C)))|is_a_theorem(implies(implies(A,B),implies(A,C)))),inference(resolution,[status(thm)],[153745040,153753904]),[]).
% 
% fof(cn_18,plain,(is_a_theorem(implies(A,implies(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL077-1.tptp',unknown),[]).
% 
% cnf(153749792,plain,(is_a_theorem(implies(A,implies(B,A)))),inference(rewrite,[status(thm)],[cn_18]),[]).
% 
% cnf(161523592,plain,(~is_a_theorem(A)|is_a_theorem(implies(B,A))),inference(resolution,[status(thm)],[153745040,153749792]),[]).
% 
% cnf(161542944,plain,(~is_a_theorem(implies(implies(B,implies(C,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[153745040,153749792]),[]).
% 
% cnf(162408952,plain,(is_a_theorem(implies(implies(A,B),implies(A,A)))),inference(resolution,[status(thm)],[161542944,153753904]),[]).
% 
% cnf(162516840,plain,(is_a_theorem(implies(A,A))),inference(resolution,[status(thm)],[162408952,161542944]),[]).
% 
% cnf(162531168,plain,(is_a_theorem(implies(B,implies(A,A)))),inference(resolution,[status(thm)],[162516840,161523592]),[]).
% 
% cnf(162609648,plain,(~is_a_theorem(implies(implies(B,implies(A,A)),C))|is_a_theorem(C)),inference(resolution,[status(thm)],[162531168,153745040]),[]).
% 
% cnf(162551144,plain,(~is_a_theorem(implies(implies(A,A),B))|is_a_theorem(B)),inference(resolution,[status(thm)],[162516840,153745040]),[]).
% 
% cnf(164550968,plain,(is_a_theorem(implies(implies(implies(A,B),A),implies(implies(A,B),B)))),inference(resolution,[status(thm)],[162551144,153753904]),[]).
% 
% cnf(171979032,plain,(is_a_theorem(implies(implies(implies(A,A),B),B))),inference(resolution,[status(thm)],[162609648,164550968]),[]).
% 
% cnf(172242872,plain,(is_a_theorem(implies(A,implies(implies(implies(B,B),C),C)))),inference(resolution,[status(thm)],[161523592,171979032]),[]).
% 
% cnf(172840336,plain,(is_a_theorem(implies(implies(A,implies(implies(C,C),B)),implies(A,B)))),inference(resolution,[status(thm)],[161694472,172242872]),[]).
% 
% cnf(181746752,plain,(is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B)))),inference(resolution,[status(thm)],[161713872,172840336]),[]).
% 
% cnf(182389488,plain,(~is_a_theorem(implies(A,implies(A,B)))|is_a_theorem(implies(A,B))),inference(resolution,[status(thm)],[153745040,181746752]),[]).
% 
% 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/LCL077-1.tptp',unknown),[]).
% 
% cnf(153757808,plain,(is_a_theorem(implies(implies(not(A),not(B)),implies(B,A)))),inference(rewrite,[status(thm)],[cn_49]),[]).
% 
% cnf(161807760,plain,(is_a_theorem(implies(A,implies(implies(not(B),not(C)),implies(C,B))))),inference(resolution,[status(thm)],[161523592,153757808]),[]).
% 
% cnf(170716840,plain,(is_a_theorem(implies(implies(A,implies(not(B),not(C))),implies(A,implies(C,B))))),inference(resolution,[status(thm)],[161694472,161807760]),[]).
% 
% cnf(185230656,plain,(is_a_theorem(implies(not(B),implies(B,A)))),inference(resolution,[status(thm)],[161542944,170716840]),[]).
% 
% cnf(185865392,plain,(~is_a_theorem(implies(implies(not(C),implies(C,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[153745040,185230656]),[]).
% 
% cnf(186170144,plain,(is_a_theorem(implies(not(not(A)),implies(B,A)))),inference(resolution,[status(thm)],[185865392,170716840]),[]).
% 
% cnf(186722552,plain,(is_a_theorem(implies(not(not(A)),A))),inference(resolution,[status(thm)],[182389488,186170144]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[153765600,186722552]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------