TSTP Solution File: SET909+1 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SET909+1 : TPTP v3.4.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art04.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 15:41:16 EDT 2009

% Result   : Theorem 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   12 (   6 unt;   0 def)
%            Number of atoms       :   80 (   0 equ)
%            Maximal formula atoms :   31 (   6 avg)
%            Number of connectives :  104 (  36   ~;  51   |;  17   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-4 aty)
%            Number of variables   :   24 (   6 sgn  10   !;   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/SET909+1.tptp',unknown),
    [] ).

cnf(171004896,plain,
    ( ~ $equal(empty_set,A)
    | ~ in(B,A) ),
    inference(rewrite,[status(thm)],[d1_xboole_0]),
    [] ).

cnf(180179288,plain,
    ~ in(A,empty_set),
    inference(equality_resolution,[status(thm)],[171004896]),
    [] ).

fof(d2_xboole_0,plain,
    ! [D,B,C,A] :
      ( ( ~ in(D,B)
        | in(D,C)
        | ~ $equal(set_union2(A,B),C) )
      & ( ~ in(D,A)
        | in(D,C)
        | ~ $equal(set_union2(A,B),C) )
      & ( ~ in(D,C)
        | in(D,A)
        | in(D,B)
        | ~ $equal(set_union2(A,B),C) )
      & ( in(d(A,B,C,D),A)
        | in(d(A,B,C,D),B)
        | ~ in(d(A,B,C,D),A)
        | $equal(set_union2(A,B),C) )
      & ( ~ in(d(A,B,C,D),C)
        | ~ in(d(A,B,C,D),A)
        | $equal(set_union2(A,B),C) )
      & ( in(d(A,B,C,D),A)
        | in(d(A,B,C,D),B)
        | ~ in(d(A,B,C,D),B)
        | $equal(set_union2(A,B),C) )
      & ( ~ in(d(A,B,C,D),C)
        | ~ in(d(A,B,C,D),B)
        | $equal(set_union2(A,B),C) )
      & ( in(d(A,B,C,D),A)
        | in(d(A,B,C,D),B)
        | in(d(A,B,C,D),C)
        | $equal(set_union2(A,B),C) )
      & ( ~ in(d(A,B,C,D),C)
        | in(d(A,B,C,D),C)
        | $equal(set_union2(A,B),C) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET909+1.tptp',unknown),
    [] ).

cnf(171107608,plain,
    ( ~ in(D,A)
    | in(D,C)
    | ~ $equal(set_union2(A,B),C) ),
    inference(rewrite,[status(thm)],[d2_xboole_0]),
    [] ).

fof(t50_zfmisc_1,plain,
    $equal(set_union2(unordered_pair(a,b),c),empty_set),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET909+1.tptp',unknown),
    [] ).

cnf(171177376,plain,
    $equal(set_union2(unordered_pair(a,b),c),empty_set),
    inference(rewrite,[status(thm)],[t50_zfmisc_1]),
    [] ).

cnf(185549416,plain,
    ~ in(A,unordered_pair(a,b)),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[180179288,171107608,171177376]),
    [] ).

fof(d2_tarski,plain,
    ! [B,D,C,A] :
      ( ( ~ $equal(B,D)
        | in(D,C)
        | ~ $equal(unordered_pair(A,B),C) )
      & ( ~ $equal(A,D)
        | in(D,C)
        | ~ $equal(unordered_pair(A,B),C) )
      & ( ~ in(D,C)
        | $equal(A,D)
        | $equal(B,D)
        | ~ $equal(unordered_pair(A,B),C) )
      & ( $equal(d(A,B,C,D),A)
        | $equal(d(A,B,C,D),B)
        | ~ $equal(d(A,B,C,D),A)
        | $equal(unordered_pair(A,B),C) )
      & ( ~ in(d(A,B,C,D),C)
        | ~ $equal(d(A,B,C,D),A)
        | $equal(unordered_pair(A,B),C) )
      & ( $equal(d(A,B,C,D),A)
        | $equal(d(A,B,C,D),B)
        | ~ $equal(d(A,B,C,D),B)
        | $equal(unordered_pair(A,B),C) )
      & ( ~ in(d(A,B,C,D),C)
        | ~ $equal(d(A,B,C,D),B)
        | $equal(unordered_pair(A,B),C) )
      & ( $equal(d(A,B,C,D),A)
        | $equal(d(A,B,C,D),B)
        | in(d(A,B,C,D),C)
        | $equal(unordered_pair(A,B),C) )
      & ( ~ in(d(A,B,C,D),C)
        | in(d(A,B,C,D),C)
        | $equal(unordered_pair(A,B),C) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET909+1.tptp',unknown),
    [] ).

cnf(171058992,plain,
    ( ~ $equal(A,D)
    | in(D,C)
    | ~ $equal(unordered_pair(A,B),C) ),
    inference(rewrite,[status(thm)],[d2_tarski]),
    [] ).

cnf(183063960,plain,
    in(A,unordered_pair(A,B)),
    inference(equality_resolution,[status(thm)],[171058992]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[185549416,183063960]),
    [] ).

%------------------------------------------------------------------------------
%----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/SET909+1.tptp',unknown),[]).
% 
% cnf(171004896,plain,(~$equal(empty_set,A)|~in(B,A)),inference(rewrite,[status(thm)],[d1_xboole_0]),[]).
% 
% cnf(180179288,plain,(~in(A,empty_set)),inference(equality_resolution,[status(thm)],[171004896]),[]).
% 
% fof(d2_xboole_0,plain,(((~in(D,B)|in(D,C)|~$equal(set_union2(A,B),C))&(~in(D,A)|in(D,C)|~$equal(set_union2(A,B),C))&(~in(D,C)|in(D,A)|in(D,B)|~$equal(set_union2(A,B),C))&(in(d(A,B,C,D),A)|in(d(A,B,C,D),B)|~in(d(A,B,C,D),A)|$equal(set_union2(A,B),C))&(~in(d(A,B,C,D),C)|~in(d(A,B,C,D),A)|$equal(set_union2(A,B),C))&(in(d(A,B,C,D),A)|in(d(A,B,C,D),B)|~in(d(A,B,C,D),B)|$equal(set_union2(A,B),C))&(~in(d(A,B,C,D),C)|~in(d(A,B,C,D),B)|$equal(set_union2(A,B),C))&(in(d(A,B,C,D),A)|in(d(A,B,C,D),B)|in(d(A,B,C,D),C)|$equal(set_union2(A,B),C))&(~in(d(A,B,C,D),C)|in(d(A,B,C,D),C)|$equal(set_union2(A,B),C)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET909+1.tptp',unknown),[]).
% 
% cnf(171107608,plain,(~in(D,A)|in(D,C)|~$equal(set_union2(A,B),C)),inference(rewrite,[status(thm)],[d2_xboole_0]),[]).
% 
% fof(t50_zfmisc_1,plain,($equal(set_union2(unordered_pair(a,b),c),empty_set)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET909+1.tptp',unknown),[]).
% 
% cnf(171177376,plain,($equal(set_union2(unordered_pair(a,b),c),empty_set)),inference(rewrite,[status(thm)],[t50_zfmisc_1]),[]).
% 
% cnf(185549416,plain,(~in(A,unordered_pair(a,b))),inference(forward_subsumption_resolution__resolution,[status(thm)],[180179288,171107608,171177376]),[]).
% 
% fof(d2_tarski,plain,(((~$equal(B,D)|in(D,C)|~$equal(unordered_pair(A,B),C))&(~$equal(A,D)|in(D,C)|~$equal(unordered_pair(A,B),C))&(~in(D,C)|$equal(A,D)|$equal(B,D)|~$equal(unordered_pair(A,B),C))&($equal(d(A,B,C,D),A)|$equal(d(A,B,C,D),B)|~$equal(d(A,B,C,D),A)|$equal(unordered_pair(A,B),C))&(~in(d(A,B,C,D),C)|~$equal(d(A,B,C,D),A)|$equal(unordered_pair(A,B),C))&($equal(d(A,B,C,D),A)|$equal(d(A,B,C,D),B)|~$equal(d(A,B,C,D),B)|$equal(unordered_pair(A,B),C))&(~in(d(A,B,C,D),C)|~$equal(d(A,B,C,D),B)|$equal(unordered_pair(A,B),C))&($equal(d(A,B,C,D),A)|$equal(d(A,B,C,D),B)|in(d(A,B,C,D),C)|$equal(unordered_pair(A,B),C))&(~in(d(A,B,C,D),C)|in(d(A,B,C,D),C)|$equal(unordered_pair(A,B),C)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET909+1.tptp',unknown),[]).
% 
% cnf(171058992,plain,(~$equal(A,D)|in(D,C)|~$equal(unordered_pair(A,B),C)),inference(rewrite,[status(thm)],[d2_tarski]),[]).
% 
% cnf(183063960,plain,(in(A,unordered_pair(A,B))),inference(equality_resolution,[status(thm)],[171058992]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[185549416,183063960]),[]).
% 
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
% 
%------------------------------------------------------------------------------