TSTP Solution File: LCL108-1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : LCL108-1 : 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 13:42:19 EDT 2009

% Result   : Unsatisfiable 1.8s
% Output   : Refutation 1.8s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   22 (  13 unt;   0 def)
%            Number of atoms       :   33 (   0 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   24 (  13   ~;  11   |;   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    :    4 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :  111 (   0 sgn   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(prove_q_3,plain,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(equivalent(b,a),c)),c)),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL108-1.tptp',unknown),
    [] ).

cnf(159253592,plain,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(equivalent(b,a),c)),c)),
    inference(rewrite,[status(thm)],[prove_q_3]),
    [] ).

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/LCL108-1.tptp',unknown),
    [] ).

cnf(159240080,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/LCL108-1.tptp',unknown),
    [] ).

cnf(159245192,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(167136904,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)],[159240080,159245192]),
    [] ).

cnf(167117848,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)],[159240080,159245192]),
    [] ).

cnf(169088776,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)],[167117848,159245192]),
    [] ).

cnf(169210880,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)],[167117848,169088776]),
    [] ).

cnf(169234120,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)],[159240080,169210880]),
    [] ).

cnf(169407392,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)],[169234120,169210880]),
    [] ).

cnf(169542552,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)],[167136904,169407392]),
    [] ).

cnf(169962848,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)],[159240080,169542552]),
    [] ).

cnf(170140096,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)],[169962848,169088776]),
    [] ).

cnf(170256048,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)],[159240080,170140096]),
    [] ).

cnf(170681680,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)],[170256048,169210880]),
    [] ).

cnf(170738584,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)],[159240080,170681680]),
    [] ).

cnf(169424680,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)],[159240080,169407392]),
    [] ).

cnf(169591512,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)],[169424680,169407392]),
    [] ).

cnf(171472944,plain,
    is_a_theorem(equivalent(equivalent(equivalent(A,C),equivalent(equivalent(C,A),D)),D)),
    inference(resolution,[status(thm)],[170738584,169591512]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[159253592,171472944]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 2 seconds
% START OF PROOF SEQUENCE
% fof(prove_q_3,plain,(~is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(equivalent(b,a),c)),c))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/LCL/LCL108-1.tptp',unknown),[]).
% 
% cnf(159253592,plain,(~is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(equivalent(b,a),c)),c))),inference(rewrite,[status(thm)],[prove_q_3]),[]).
% 
% 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/LCL108-1.tptp',unknown),[]).
% 
% cnf(159240080,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/LCL108-1.tptp',unknown),[]).
% 
% cnf(159245192,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(167136904,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)],[159240080,159245192]),[]).
% 
% cnf(167117848,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)],[159240080,159245192]),[]).
% 
% cnf(169088776,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)],[167117848,159245192]),[]).
% 
% cnf(169210880,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)],[167117848,169088776]),[]).
% 
% cnf(169234120,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)],[159240080,169210880]),[]).
% 
% cnf(169407392,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)],[169234120,169210880]),[]).
% 
% cnf(169542552,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)],[167136904,169407392]),[]).
% 
% cnf(169962848,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)],[159240080,169542552]),[]).
% 
% cnf(170140096,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)],[169962848,169088776]),[]).
% 
% cnf(170256048,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)],[159240080,170140096]),[]).
% 
% cnf(170681680,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)],[170256048,169210880]),[]).
% 
% cnf(170738584,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)],[159240080,170681680]),[]).
% 
% cnf(169424680,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)],[159240080,169407392]),[]).
% 
% cnf(169591512,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)],[169424680,169407392]),[]).
% 
% cnf(171472944,plain,(is_a_theorem(equivalent(equivalent(equivalent(A,C),equivalent(equivalent(C,A),D)),D))),inference(resolution,[status(thm)],[170738584,169591512]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[159253592,171472944]),[]).
% 
% END OF PROOF SEQUENCE
% 
%------------------------------------------------------------------------------