TSTP Solution File: SET867+1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SET867+1 : TPTP v3.4.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art06.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 15:40:05 EDT 2009

% Result   : Theorem 0.0s
% Output   : Refutation 0.0s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   10 (   5 unt;   0 def)
%            Number of atoms       :   47 (   0 equ)
%            Maximal formula atoms :   31 (   4 avg)
%            Number of connectives :   59 (  22   ~;  28   |;   9   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   1 con; 0-5 aty)
%            Number of variables   :   18 (   5 sgn   7   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(d1_xboole_0,plain,
    ! [A,B] :
      ( ( ~ $equal(empty_set,A)
        | ~ in(B,A) )
      & ( $equal(empty_set,A)
        | in(b(A,B),A) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET867+1.tptp',unknown),
    [] ).

cnf(165908128,plain,
    ( ~ $equal(empty_set,A)
    | ~ in(B,A) ),
    inference(rewrite,[status(thm)],[d1_xboole_0]),
    [] ).

cnf(174029512,plain,
    ~ in(A,empty_set),
    inference(equality_resolution,[status(thm)],[165908128]),
    [] ).

fof(d4_tarski,plain,
    ! [C,B,E,A,G] :
      ( ( in(C,B)
        | ~ in(C,E)
        | ~ in(E,A)
        | ~ $equal(union(A),B) )
      & ( in(d_nn_3(A,B,C),A)
        | ~ in(C,B)
        | ~ $equal(union(A),B) )
      & ( in(C,d_nn_3(A,B,C))
        | ~ in(C,B)
        | ~ $equal(union(A),B) )
      & ( in(c(A,B,C,E),d(A,B,C,E,G))
        | ~ in(c(A,B,C,E),G)
        | ~ in(G,A)
        | $equal(union(A),B) )
      & ( in(d(A,B,C,E,G),A)
        | ~ in(c(A,B,C,E),G)
        | ~ in(G,A)
        | $equal(union(A),B) )
      & ( ~ in(c(A,B,C,E),B)
        | ~ in(c(A,B,C,E),G)
        | ~ in(G,A)
        | $equal(union(A),B) )
      & ( in(c(A,B,C,E),d(A,B,C,E,G))
        | in(c(A,B,C,E),B)
        | $equal(union(A),B) )
      & ( in(d(A,B,C,E,G),A)
        | in(c(A,B,C,E),B)
        | $equal(union(A),B) )
      & ( ~ in(c(A,B,C,E),B)
        | in(c(A,B,C,E),B)
        | $equal(union(A),B) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET867+1.tptp',unknown),
    [] ).

cnf(165938680,plain,
    ( in(d(A,B,C,E,G),A)
    | in(c(A,B,C,E),B)
    | $equal(union(A),B) ),
    inference(rewrite,[status(thm)],[d4_tarski]),
    [] ).

cnf(174104200,plain,
    ( in(c(empty_set,A,B,D),A)
    | $equal(union(empty_set),A) ),
    inference(resolution,[status(thm)],[174029512,165938680]),
    [] ).

cnf(174260472,plain,
    $equal(union(empty_set),empty_set),
    inference(resolution,[status(thm)],[174104200,174029512]),
    [] ).

fof(t2_zfmisc_1,plain,
    ~ $equal(union(empty_set),empty_set),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET867+1.tptp',unknown),
    [] ).

cnf(166062256,plain,
    ~ $equal(union(empty_set),empty_set),
    inference(rewrite,[status(thm)],[t2_zfmisc_1]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[174260472,166062256]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(d1_xboole_0,plain,(((~$equal(empty_set,A)|~in(B,A))&($equal(empty_set,A)|in(b(A,B),A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET867+1.tptp',unknown),[]).
% 
% cnf(165908128,plain,(~$equal(empty_set,A)|~in(B,A)),inference(rewrite,[status(thm)],[d1_xboole_0]),[]).
% 
% cnf(174029512,plain,(~in(A,empty_set)),inference(equality_resolution,[status(thm)],[165908128]),[]).
% 
% fof(d4_tarski,plain,(((in(C,B)|~in(C,E)|~in(E,A)|~$equal(union(A),B))&(in(d_nn_3(A,B,C),A)|~in(C,B)|~$equal(union(A),B))&(in(C,d_nn_3(A,B,C))|~in(C,B)|~$equal(union(A),B))&(in(c(A,B,C,E),d(A,B,C,E,G))|~in(c(A,B,C,E),G)|~in(G,A)|$equal(union(A),B))&(in(d(A,B,C,E,G),A)|~in(c(A,B,C,E),G)|~in(G,A)|$equal(union(A),B))&(~in(c(A,B,C,E),B)|~in(c(A,B,C,E),G)|~in(G,A)|$equal(union(A),B))&(in(c(A,B,C,E),d(A,B,C,E,G))|in(c(A,B,C,E),B)|$equal(union(A),B))&(in(d(A,B,C,E,G),A)|in(c(A,B,C,E),B)|$equal(union(A),B))&(~in(c(A,B,C,E),B)|in(c(A,B,C,E),B)|$equal(union(A),B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET867+1.tptp',unknown),[]).
% 
% cnf(165938680,plain,(in(d(A,B,C,E,G),A)|in(c(A,B,C,E),B)|$equal(union(A),B)),inference(rewrite,[status(thm)],[d4_tarski]),[]).
% 
% cnf(174104200,plain,(in(c(empty_set,A,B,D),A)|$equal(union(empty_set),A)),inference(resolution,[status(thm)],[174029512,165938680]),[]).
% 
% cnf(174260472,plain,($equal(union(empty_set),empty_set)),inference(resolution,[status(thm)],[174104200,174029512]),[]).
% 
% fof(t2_zfmisc_1,plain,(~$equal(union(empty_set),empty_set)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET867+1.tptp',unknown),[]).
% 
% cnf(166062256,plain,(~$equal(union(empty_set),empty_set)),inference(rewrite,[status(thm)],[t2_zfmisc_1]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[174260472,166062256]),[]).
% 
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
% 
%------------------------------------------------------------------------------