TSTP Solution File: LCL041-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL041-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art07.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 13:40:28 EDT 2009

% Result   : Unsatisfiable 127.2s
% Output   : Refutation 127.2s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   23 (  16 unt;   0 def)
%            Number of atoms       :   32 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   21 (  12   ~;   9   |;   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    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   44 (   7 sgn  11   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
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/LCL041-1.tptp',unknown),
    [] ).

cnf(161379656,plain,
    ( ~ is_a_theorem(implies(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

fof(cn_3,plain,
    ! [A,B] : is_a_theorem(implies(A,implies(not(A),B))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),
    [] ).

cnf(161384440,plain,
    is_a_theorem(implies(A,implies(not(A),B))),
    inference(rewrite,[status(thm)],[cn_3]),
    [] ).

cnf(169338192,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(not(B),C)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[161379656,161384440]),
    [] ).

fof(cn_21,plain,
    ! [A,B,C] : is_a_theorem(implies(implies(A,implies(B,C)),implies(B,implies(A,C)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),
    [] ).

cnf(161392368,plain,
    is_a_theorem(implies(implies(A,implies(B,C)),implies(B,implies(A,C)))),
    inference(rewrite,[status(thm)],[cn_21]),
    [] ).

cnf(173445136,plain,
    is_a_theorem(implies(not(A),implies(A,B))),
    inference(resolution,[status(thm)],[169338192,161392368]),
    [] ).

cnf(173597728,plain,
    ( ~ is_a_theorem(implies(implies(not(A),implies(A,B)),C))
    | is_a_theorem(C) ),
    inference(resolution,[status(thm)],[173445136,161379656]),
    [] ).

cnf(169404440,plain,
    ( ~ is_a_theorem(implies(A,implies(B,C)))
    | is_a_theorem(implies(B,implies(A,C))) ),
    inference(resolution,[status(thm)],[161379656,161392368]),
    [] ).

fof(cn_54,plain,
    ! [A,B] : is_a_theorem(implies(implies(A,B),implies(implies(not(A),B),B))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),
    [] ).

cnf(161404248,plain,
    is_a_theorem(implies(implies(A,B),implies(implies(not(A),B),B))),
    inference(rewrite,[status(thm)],[cn_54]),
    [] ).

cnf(181354624,plain,
    is_a_theorem(implies(implies(not(B),A),implies(implies(B,A),A))),
    inference(resolution,[status(thm)],[169404440,161404248]),
    [] ).

cnf(259099728,plain,
    is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B))),
    inference(resolution,[status(thm)],[173597728,181354624]),
    [] ).

fof(prove_cn_30,plain,
    ~ is_a_theorem(implies(implies(a,implies(a,b)),implies(a,b))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),
    [] ).

cnf(161408008,plain,
    ~ is_a_theorem(implies(implies(a,implies(a,b)),implies(a,b))),
    inference(rewrite,[status(thm)],[prove_cn_30]),
    [] ).

cnf(169983616,plain,
    ( ~ is_a_theorem(implies(A,implies(implies(a,implies(a,b)),implies(a,b))))
    | ~ is_a_theorem(A) ),
    inference(resolution,[status(thm)],[161408008,161379656]),
    [] ).

fof(cn_18,plain,
    ! [A,B] : is_a_theorem(implies(A,implies(B,A))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),
    [] ).

cnf(161388480,plain,
    is_a_theorem(implies(A,implies(B,A))),
    inference(rewrite,[status(thm)],[cn_18]),
    [] ).

cnf(169190448,plain,
    ( ~ is_a_theorem(implies(implies(B,implies(C,B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[161379656,161388480]),
    [] ).

cnf(170575504,plain,
    is_a_theorem(implies(B,implies(A,A))),
    inference(resolution,[status(thm)],[169190448,161392368]),
    [] ).

cnf(170702216,plain,
    is_a_theorem(implies(A,A)),
    inference(resolution,[status(thm)],[170575504,169190448]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(forward_subsumption_resolution__resolution,[status(thm)],[259099728,169983616,170702216]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 126 seconds
% START OF PROOF SEQUENCE
% 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/LCL041-1.tptp',unknown),[]).
% 
% cnf(161379656,plain,(~is_a_theorem(implies(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% fof(cn_3,plain,(is_a_theorem(implies(A,implies(not(A),B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),[]).
% 
% cnf(161384440,plain,(is_a_theorem(implies(A,implies(not(A),B)))),inference(rewrite,[status(thm)],[cn_3]),[]).
% 
% cnf(169338192,plain,(~is_a_theorem(implies(implies(B,implies(not(B),C)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[161379656,161384440]),[]).
% 
% fof(cn_21,plain,(is_a_theorem(implies(implies(A,implies(B,C)),implies(B,implies(A,C))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),[]).
% 
% cnf(161392368,plain,(is_a_theorem(implies(implies(A,implies(B,C)),implies(B,implies(A,C))))),inference(rewrite,[status(thm)],[cn_21]),[]).
% 
% cnf(173445136,plain,(is_a_theorem(implies(not(A),implies(A,B)))),inference(resolution,[status(thm)],[169338192,161392368]),[]).
% 
% cnf(173597728,plain,(~is_a_theorem(implies(implies(not(A),implies(A,B)),C))|is_a_theorem(C)),inference(resolution,[status(thm)],[173445136,161379656]),[]).
% 
% cnf(169404440,plain,(~is_a_theorem(implies(A,implies(B,C)))|is_a_theorem(implies(B,implies(A,C)))),inference(resolution,[status(thm)],[161379656,161392368]),[]).
% 
% fof(cn_54,plain,(is_a_theorem(implies(implies(A,B),implies(implies(not(A),B),B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),[]).
% 
% cnf(161404248,plain,(is_a_theorem(implies(implies(A,B),implies(implies(not(A),B),B)))),inference(rewrite,[status(thm)],[cn_54]),[]).
% 
% cnf(181354624,plain,(is_a_theorem(implies(implies(not(B),A),implies(implies(B,A),A)))),inference(resolution,[status(thm)],[169404440,161404248]),[]).
% 
% cnf(259099728,plain,(is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B)))),inference(resolution,[status(thm)],[173597728,181354624]),[]).
% 
% fof(prove_cn_30,plain,(~is_a_theorem(implies(implies(a,implies(a,b)),implies(a,b)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),[]).
% 
% cnf(161408008,plain,(~is_a_theorem(implies(implies(a,implies(a,b)),implies(a,b)))),inference(rewrite,[status(thm)],[prove_cn_30]),[]).
% 
% cnf(169983616,plain,(~is_a_theorem(implies(A,implies(implies(a,implies(a,b)),implies(a,b))))|~is_a_theorem(A)),inference(resolution,[status(thm)],[161408008,161379656]),[]).
% 
% fof(cn_18,plain,(is_a_theorem(implies(A,implies(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL041-1.tptp',unknown),[]).
% 
% cnf(161388480,plain,(is_a_theorem(implies(A,implies(B,A)))),inference(rewrite,[status(thm)],[cn_18]),[]).
% 
% cnf(169190448,plain,(~is_a_theorem(implies(implies(B,implies(C,B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[161379656,161388480]),[]).
% 
% cnf(170575504,plain,(is_a_theorem(implies(B,implies(A,A)))),inference(resolution,[status(thm)],[169190448,161392368]),[]).
% 
% cnf(170702216,plain,(is_a_theorem(implies(A,A))),inference(resolution,[status(thm)],[170575504,169190448]),[]).
% 
% cnf(contradiction,plain,$false,inference(forward_subsumption_resolution__resolution,[status(thm)],[259099728,169983616,170702216]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------