TSTP Solution File: LCL107-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL107-1 : TPTP v3.4.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art05.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 13:42:17 EDT 2009

% Result   : Unsatisfiable 2.4s
% Output   : Refutation 2.4s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   28 (  16 unt;   0 def)
%            Number of atoms       :   42 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   30 (  16   ~;  14   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   2 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :  129 (   0 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_p_1,plain,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(equivalent(e,b),equivalent(equivalent(a,e),c)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL107-1.tptp',unknown),
    [] ).

cnf(166853664,plain,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(equivalent(e,b),equivalent(equivalent(a,e),c)))),
    inference(rewrite,[status(thm)],[prove_p_1]),
    [] ).

fof(condensed_detachment,plain,
    ! [A,B] :
      ( ~ is_a_theorem(equivalent(A,B))
      | ~ is_a_theorem(A)
      | is_a_theorem(B) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL107-1.tptp',unknown),
    [] ).

cnf(166839952,plain,
    ( ~ is_a_theorem(equivalent(A,B))
    | ~ is_a_theorem(A)
    | is_a_theorem(B) ),
    inference(rewrite,[status(thm)],[condensed_detachment]),
    [] ).

fof(lg_27_1690,plain,
    ! [A,B,C,D,E,F,G] : is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,E),equivalent(equivalent(equivalent(F,E),equivalent(F,D)),G))),equivalent(C,equivalent(equivalent(B,A),G)))),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL107-1.tptp',unknown),
    [] ).

cnf(166845096,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,E),equivalent(equivalent(equivalent(F,E),equivalent(F,D)),G))),equivalent(C,equivalent(equivalent(B,A),G)))),
    inference(rewrite,[status(thm)],[lg_27_1690]),
    [] ).

cnf(174688040,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(B,C),D),equivalent(equivalent(E,F),equivalent(equivalent(equivalent(G,F),equivalent(G,E)),H))),equivalent(D,equivalent(equivalent(C,B),H))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[166839952,166845096]),
    [] ).

cnf(174668080,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,E),equivalent(equivalent(equivalent(F,E),equivalent(F,D)),G))))
    | is_a_theorem(equivalent(C,equivalent(equivalent(B,A),G))) ),
    inference(resolution,[status(thm)],[166839952,166845096]),
    [] ).

cnf(177427088,plain,
    is_a_theorem(equivalent(equivalent(equivalent(E,F),equivalent(equivalent(equivalent(G,F),equivalent(G,E)),D)),equivalent(equivalent(equivalent(A,B),equivalent(equivalent(C,A),equivalent(C,B))),D))),
    inference(resolution,[status(thm)],[174668080,166845096]),
    [] ).

cnf(177549128,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(H,B),equivalent(H,A)),equivalent(equivalent(equivalent(C,equivalent(equivalent(G,E),equivalent(G,F))),equivalent(C,equivalent(E,F))),D)),equivalent(equivalent(B,A),D))),
    inference(resolution,[status(thm)],[174668080,177427088]),
    [] ).

cnf(177572376,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(H,B),equivalent(H,A)),equivalent(equivalent(equivalent(C,equivalent(equivalent(G,E),equivalent(G,F))),equivalent(C,equivalent(E,F))),D)))
    | is_a_theorem(equivalent(equivalent(B,A),D)) ),
    inference(resolution,[status(thm)],[166839952,177549128]),
    [] ).

cnf(177744920,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(B,equivalent(equivalent(F,equivalent(E,C)),equivalent(F,equivalent(E,D)))),equivalent(B,equivalent(C,D))),A),A)),
    inference(resolution,[status(thm)],[177572376,177549128]),
    [] ).

cnf(177879312,plain,
    is_a_theorem(equivalent(equivalent(equivalent(F,equivalent(E,equivalent(equivalent(C,B),equivalent(C,A)))),equivalent(F,equivalent(E,D))),equivalent(equivalent(B,A),D))),
    inference(resolution,[status(thm)],[174688040,177744920]),
    [] ).

cnf(178283136,plain,
    ( ~ is_a_theorem(equivalent(equivalent(F,equivalent(E,equivalent(equivalent(C,B),equivalent(C,A)))),equivalent(F,equivalent(E,D))))
    | is_a_theorem(equivalent(equivalent(B,A),D)) ),
    inference(resolution,[status(thm)],[166839952,177879312]),
    [] ).

cnf(178455384,plain,
    is_a_theorem(equivalent(equivalent(equivalent(E,equivalent(B,C)),A),equivalent(equivalent(E,equivalent(equivalent(D,B),equivalent(D,C))),A))),
    inference(resolution,[status(thm)],[178283136,177427088]),
    [] ).

cnf(178571280,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(F,equivalent(C,D)),B),equivalent(equivalent(F,equivalent(equivalent(E,C),equivalent(E,D))),B)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[166839952,178455384]),
    [] ).

cnf(178989520,plain,
    is_a_theorem(equivalent(equivalent(equivalent(A,B),D),equivalent(equivalent(equivalent(C,A),equivalent(equivalent(E,C),equivalent(E,B))),D))),
    inference(resolution,[status(thm)],[178571280,177549128]),
    [] ).

cnf(179046368,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(B,C),E),equivalent(equivalent(equivalent(D,B),equivalent(equivalent(F,D),equivalent(F,C))),E)),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[166839952,178989520]),
    [] ).

cnf(177762296,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(B,equivalent(equivalent(F,equivalent(E,C)),equivalent(F,equivalent(E,D)))),equivalent(B,equivalent(C,D))),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[166839952,177744920]),
    [] ).

cnf(177927472,plain,
    is_a_theorem(equivalent(equivalent(equivalent(D,equivalent(C,A)),equivalent(equivalent(F,equivalent(E,D)),equivalent(F,equivalent(E,equivalent(C,B))))),equivalent(A,B))),
    inference(resolution,[status(thm)],[177762296,177744920]),
    [] ).

cnf(179775832,plain,
    is_a_theorem(equivalent(equivalent(equivalent(A,C),equivalent(equivalent(C,A),D)),D)),
    inference(resolution,[status(thm)],[179046368,177927472]),
    [] ).

cnf(179899568,plain,
    ( ~ is_a_theorem(equivalent(equivalent(B,D),equivalent(equivalent(D,B),A)))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[166839952,179775832]),
    [] ).

cnf(179935576,plain,
    is_a_theorem(equivalent(B,B)),
    inference(resolution,[status(thm)],[179899568,178455384]),
    [] ).

cnf(180143216,plain,
    ( ~ is_a_theorem(equivalent(equivalent(C,C),A))
    | is_a_theorem(A) ),
    inference(resolution,[status(thm)],[166839952,179935576]),
    [] ).

cnf(180165016,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(D,C),equivalent(D,B)),E),equivalent(equivalent(C,B),E))),
    inference(resolution,[status(thm)],[180143216,166845096]),
    [] ).

cnf(181392952,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(D,C),equivalent(D,B)),E))
    | is_a_theorem(equivalent(equivalent(C,B),E)) ),
    inference(resolution,[status(thm)],[166839952,180165016]),
    [] ).

cnf(181525368,plain,
    is_a_theorem(equivalent(equivalent(equivalent(F,D),B),equivalent(equivalent(E,D),equivalent(equivalent(F,E),B)))),
    inference(resolution,[status(thm)],[181392952,180165016]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[166853664,181525368]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 3 seconds
% START OF PROOF SEQUENCE
% fof(prove_p_1,plain,(~is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(equivalent(e,b),equivalent(equivalent(a,e),c))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL107-1.tptp',unknown),[]).
% 
% cnf(166853664,plain,(~is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(equivalent(e,b),equivalent(equivalent(a,e),c))))),inference(rewrite,[status(thm)],[prove_p_1]),[]).
% 
% fof(condensed_detachment,plain,(~is_a_theorem(equivalent(A,B))|~is_a_theorem(A)|is_a_theorem(B)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL107-1.tptp',unknown),[]).
% 
% cnf(166839952,plain,(~is_a_theorem(equivalent(A,B))|~is_a_theorem(A)|is_a_theorem(B)),inference(rewrite,[status(thm)],[condensed_detachment]),[]).
% 
% fof(lg_27_1690,plain,(is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,E),equivalent(equivalent(equivalent(F,E),equivalent(F,D)),G))),equivalent(C,equivalent(equivalent(B,A),G))))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL107-1.tptp',unknown),[]).
% 
% cnf(166845096,plain,(is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,E),equivalent(equivalent(equivalent(F,E),equivalent(F,D)),G))),equivalent(C,equivalent(equivalent(B,A),G))))),inference(rewrite,[status(thm)],[lg_27_1690]),[]).
% 
% cnf(174688040,plain,(~is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(B,C),D),equivalent(equivalent(E,F),equivalent(equivalent(equivalent(G,F),equivalent(G,E)),H))),equivalent(D,equivalent(equivalent(C,B),H))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[166839952,166845096]),[]).
% 
% cnf(174668080,plain,(~is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,E),equivalent(equivalent(equivalent(F,E),equivalent(F,D)),G))))|is_a_theorem(equivalent(C,equivalent(equivalent(B,A),G)))),inference(resolution,[status(thm)],[166839952,166845096]),[]).
% 
% cnf(177427088,plain,(is_a_theorem(equivalent(equivalent(equivalent(E,F),equivalent(equivalent(equivalent(G,F),equivalent(G,E)),D)),equivalent(equivalent(equivalent(A,B),equivalent(equivalent(C,A),equivalent(C,B))),D)))),inference(resolution,[status(thm)],[174668080,166845096]),[]).
% 
% cnf(177549128,plain,(is_a_theorem(equivalent(equivalent(equivalent(equivalent(H,B),equivalent(H,A)),equivalent(equivalent(equivalent(C,equivalent(equivalent(G,E),equivalent(G,F))),equivalent(C,equivalent(E,F))),D)),equivalent(equivalent(B,A),D)))),inference(resolution,[status(thm)],[174668080,177427088]),[]).
% 
% cnf(177572376,plain,(~is_a_theorem(equivalent(equivalent(equivalent(H,B),equivalent(H,A)),equivalent(equivalent(equivalent(C,equivalent(equivalent(G,E),equivalent(G,F))),equivalent(C,equivalent(E,F))),D)))|is_a_theorem(equivalent(equivalent(B,A),D))),inference(resolution,[status(thm)],[166839952,177549128]),[]).
% 
% cnf(177744920,plain,(is_a_theorem(equivalent(equivalent(equivalent(equivalent(B,equivalent(equivalent(F,equivalent(E,C)),equivalent(F,equivalent(E,D)))),equivalent(B,equivalent(C,D))),A),A))),inference(resolution,[status(thm)],[177572376,177549128]),[]).
% 
% cnf(177879312,plain,(is_a_theorem(equivalent(equivalent(equivalent(F,equivalent(E,equivalent(equivalent(C,B),equivalent(C,A)))),equivalent(F,equivalent(E,D))),equivalent(equivalent(B,A),D)))),inference(resolution,[status(thm)],[174688040,177744920]),[]).
% 
% cnf(178283136,plain,(~is_a_theorem(equivalent(equivalent(F,equivalent(E,equivalent(equivalent(C,B),equivalent(C,A)))),equivalent(F,equivalent(E,D))))|is_a_theorem(equivalent(equivalent(B,A),D))),inference(resolution,[status(thm)],[166839952,177879312]),[]).
% 
% cnf(178455384,plain,(is_a_theorem(equivalent(equivalent(equivalent(E,equivalent(B,C)),A),equivalent(equivalent(E,equivalent(equivalent(D,B),equivalent(D,C))),A)))),inference(resolution,[status(thm)],[178283136,177427088]),[]).
% 
% cnf(178571280,plain,(~is_a_theorem(equivalent(equivalent(equivalent(equivalent(F,equivalent(C,D)),B),equivalent(equivalent(F,equivalent(equivalent(E,C),equivalent(E,D))),B)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[166839952,178455384]),[]).
% 
% cnf(178989520,plain,(is_a_theorem(equivalent(equivalent(equivalent(A,B),D),equivalent(equivalent(equivalent(C,A),equivalent(equivalent(E,C),equivalent(E,B))),D)))),inference(resolution,[status(thm)],[178571280,177549128]),[]).
% 
% cnf(179046368,plain,(~is_a_theorem(equivalent(equivalent(equivalent(equivalent(B,C),E),equivalent(equivalent(equivalent(D,B),equivalent(equivalent(F,D),equivalent(F,C))),E)),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[166839952,178989520]),[]).
% 
% cnf(177762296,plain,(~is_a_theorem(equivalent(equivalent(equivalent(B,equivalent(equivalent(F,equivalent(E,C)),equivalent(F,equivalent(E,D)))),equivalent(B,equivalent(C,D))),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[166839952,177744920]),[]).
% 
% cnf(177927472,plain,(is_a_theorem(equivalent(equivalent(equivalent(D,equivalent(C,A)),equivalent(equivalent(F,equivalent(E,D)),equivalent(F,equivalent(E,equivalent(C,B))))),equivalent(A,B)))),inference(resolution,[status(thm)],[177762296,177744920]),[]).
% 
% cnf(179775832,plain,(is_a_theorem(equivalent(equivalent(equivalent(A,C),equivalent(equivalent(C,A),D)),D))),inference(resolution,[status(thm)],[179046368,177927472]),[]).
% 
% cnf(179899568,plain,(~is_a_theorem(equivalent(equivalent(B,D),equivalent(equivalent(D,B),A)))|is_a_theorem(A)),inference(resolution,[status(thm)],[166839952,179775832]),[]).
% 
% cnf(179935576,plain,(is_a_theorem(equivalent(B,B))),inference(resolution,[status(thm)],[179899568,178455384]),[]).
% 
% cnf(180143216,plain,(~is_a_theorem(equivalent(equivalent(C,C),A))|is_a_theorem(A)),inference(resolution,[status(thm)],[166839952,179935576]),[]).
% 
% cnf(180165016,plain,(is_a_theorem(equivalent(equivalent(equivalent(equivalent(D,C),equivalent(D,B)),E),equivalent(equivalent(C,B),E)))),inference(resolution,[status(thm)],[180143216,166845096]),[]).
% 
% cnf(181392952,plain,(~is_a_theorem(equivalent(equivalent(equivalent(D,C),equivalent(D,B)),E))|is_a_theorem(equivalent(equivalent(C,B),E))),inference(resolution,[status(thm)],[166839952,180165016]),[]).
% 
% cnf(181525368,plain,(is_a_theorem(equivalent(equivalent(equivalent(F,D),B),equivalent(equivalent(E,D),equivalent(equivalent(F,E),B))))),inference(resolution,[status(thm)],[181392952,180165016]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[166853664,181525368]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------