TSTP Solution File: SET616+3 by Faust---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Faust---1.0
% Problem  : SET616+3 : TPTP v3.4.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : faust %s

% Computer : art08.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 15:33:10 EDT 2009

% Result   : Theorem 0.1s
% Output   : Refutation 0.1s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   34 (  11 unt;   0 def)
%            Number of atoms       :   92 (   0 equ)
%            Maximal formula atoms :   18 (   2 avg)
%            Number of connectives :  103 (  45   ~;  46   |;  12   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-3 aty)
%            Number of variables   :   56 (  14 sgn  11   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
fof(difference_defn,plain,
    ! [C,B,A] :
      ( ( ~ member(C,B)
        | ~ member(C,difference(A,B)) )
      & ( member(C,A)
        | ~ member(C,difference(A,B)) )
      & ( member(C,difference(A,B))
        | ~ member(C,A)
        | member(C,B) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),
    [] ).

cnf(156562992,plain,
    ( member(C,difference(A,B))
    | ~ member(C,A)
    | member(C,B) ),
    inference(rewrite,[status(thm)],[difference_defn]),
    [] ).

cnf(156573000,plain,
    ( member(C,A)
    | ~ member(C,difference(A,B)) ),
    inference(rewrite,[status(thm)],[difference_defn]),
    [] ).

fof(prove_th90,plain,
    ( $equal(difference(c,b),difference(b,c))
    & ~ $equal(c,b) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),
    [] ).

cnf(156720672,plain,
    $equal(difference(c,b),difference(b,c)),
    inference(rewrite,[status(thm)],[prove_th90]),
    [] ).

cnf(167480464,plain,
    ( member(A,b)
    | ~ member(A,difference(c,b)) ),
    inference(paramodulation,[status(thm)],[156573000,156720672,theory(equality)]),
    [] ).

cnf(168768168,plain,
    ( ~ member(A,c)
    | member(A,b) ),
    inference(resolution,[status(thm)],[156562992,167480464]),
    [] ).

fof(subset_defn,plain,
    ! [A,B,C] :
      ( ( ~ subset(A,B)
        | ~ member(C,A)
        | member(C,B) )
      & ( ~ member(d(A,B,C),B)
        | subset(A,B) )
      & ( member(d(A,B,C),A)
        | subset(A,B) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),
    [] ).

cnf(156640792,plain,
    ( member(d(A,B,C),A)
    | subset(A,B) ),
    inference(rewrite,[status(thm)],[subset_defn]),
    [] ).

cnf(168985376,plain,
    ( member(d(c,A,B),b)
    | subset(c,A) ),
    inference(resolution,[status(thm)],[168768168,156640792]),
    [] ).

cnf(156646552,plain,
    ( ~ member(d(A,B,C),B)
    | subset(A,B) ),
    inference(rewrite,[status(thm)],[subset_defn]),
    [] ).

cnf(171557096,plain,
    subset(c,b),
    inference(resolution,[status(thm)],[168985376,156646552]),
    [] ).

fof(equal_defn,plain,
    ! [B,A] :
      ( ( subset(B,A)
        | ~ $equal(B,A) )
      & ( subset(A,B)
        | ~ $equal(B,A) )
      & ( $equal(B,A)
        | ~ subset(A,B)
        | ~ subset(B,A) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),
    [] ).

cnf(156590680,plain,
    ( $equal(B,A)
    | ~ subset(A,B)
    | ~ subset(B,A) ),
    inference(rewrite,[status(thm)],[equal_defn]),
    [] ).

cnf(156713304,plain,
    ~ $equal(c,b),
    inference(rewrite,[status(thm)],[prove_th90]),
    [] ).

cnf(167155816,plain,
    ( ~ subset(b,c)
    | ~ subset(c,b) ),
    inference(resolution,[status(thm)],[156590680,156713304]),
    [] ).

cnf(171635472,plain,
    ~ subset(b,c),
    inference(resolution,[status(thm)],[171557096,167155816]),
    [] ).

cnf(171660296,plain,
    member(d(b,c,A),b),
    inference(resolution,[status(thm)],[171635472,156640792]),
    [] ).

cnf(167366344,plain,
    ( member(d(difference(A,B),C,D),A)
    | subset(difference(A,B),C) ),
    inference(resolution,[status(thm)],[156573000,156640792]),
    [] ).

cnf(156582736,plain,
    ( ~ member(C,B)
    | ~ member(C,difference(A,B)) ),
    inference(rewrite,[status(thm)],[difference_defn]),
    [] ).

cnf(167699744,plain,
    ( ~ member(A,c)
    | ~ member(A,difference(c,b)) ),
    inference(paramodulation,[status(thm)],[156582736,156720672,theory(equality)]),
    [] ).

cnf(169940520,plain,
    subset(difference(c,b),A),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[167366344,167699744,156640792]),
    [] ).

cnf(156654536,plain,
    ( ~ subset(A,B)
    | ~ member(C,A)
    | member(C,B) ),
    inference(rewrite,[status(thm)],[subset_defn]),
    [] ).

cnf(170092272,plain,
    ( ~ member(B,difference(c,b))
    | member(B,A) ),
    inference(resolution,[status(thm)],[169940520,156654536]),
    [] ).

cnf(167342952,plain,
    ( ~ member(B,difference(difference(C,D),A))
    | member(B,C) ),
    inference(resolution,[status(thm)],[156573000,156573000]),
    [] ).

cnf(170602816,plain,
    ~ member(B,difference(c,b)),
    inference(forward_subsumption_resolution__resolution,[status(thm)],[170092272,167342952,167699744]),
    [] ).

fof(equal_member_defn,plain,
    ! [C,A,B] :
      ( ( member(C,A)
        | ~ member(C,B)
        | ~ $equal(B,A) )
      & ( ~ member(C,A)
        | member(C,B)
        | ~ $equal(B,A) )
      & ( member(d(A,B,C),B)
        | ~ member(d(A,B,C),B)
        | $equal(B,A) )
      & ( ~ member(d(A,B,C),A)
        | ~ member(d(A,B,C),B)
        | $equal(B,A) )
      & ( member(d(A,B,C),B)
        | member(d(A,B,C),A)
        | $equal(B,A) )
      & ( ~ member(d(A,B,C),A)
        | member(d(A,B,C),A)
        | $equal(B,A) ) ),
    file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),
    [] ).

cnf(156629944,plain,
    ( ~ member(C,A)
    | member(C,B)
    | ~ $equal(B,A) ),
    inference(rewrite,[status(thm)],[equal_member_defn]),
    [] ).

cnf(167269912,plain,
    ( ~ member(A,difference(b,c))
    | member(A,difference(c,b)) ),
    inference(resolution,[status(thm)],[156629944,156720672]),
    [] ).

cnf(170747312,plain,
    ~ member(B,difference(b,c)),
    inference(resolution,[status(thm)],[170602816,167269912]),
    [] ).

cnf(170789768,plain,
    ( ~ member(B,b)
    | member(B,c) ),
    inference(resolution,[status(thm)],[170747312,156562992]),
    [] ).

cnf(171707760,plain,
    member(d(b,c,A),c),
    inference(resolution,[status(thm)],[171660296,170789768]),
    [] ).

cnf(171761112,plain,
    subset(b,c),
    inference(resolution,[status(thm)],[171707760,156646552]),
    [] ).

cnf(contradiction,plain,
    $false,
    inference(resolution,[status(thm)],[171761112,171635472]),
    [] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(difference_defn,plain,(((~member(C,B)|~member(C,difference(A,B)))&(member(C,A)|~member(C,difference(A,B)))&(member(C,difference(A,B))|~member(C,A)|member(C,B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),[]).
% 
% cnf(156562992,plain,(member(C,difference(A,B))|~member(C,A)|member(C,B)),inference(rewrite,[status(thm)],[difference_defn]),[]).
% 
% cnf(156573000,plain,(member(C,A)|~member(C,difference(A,B))),inference(rewrite,[status(thm)],[difference_defn]),[]).
% 
% fof(prove_th90,plain,(($equal(difference(c,b),difference(b,c))&~$equal(c,b))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),[]).
% 
% cnf(156720672,plain,($equal(difference(c,b),difference(b,c))),inference(rewrite,[status(thm)],[prove_th90]),[]).
% 
% cnf(167480464,plain,(member(A,b)|~member(A,difference(c,b))),inference(paramodulation,[status(thm)],[156573000,156720672,theory(equality)]),[]).
% 
% cnf(168768168,plain,(~member(A,c)|member(A,b)),inference(resolution,[status(thm)],[156562992,167480464]),[]).
% 
% fof(subset_defn,plain,(((~subset(A,B)|~member(C,A)|member(C,B))&(~member(d(A,B,C),B)|subset(A,B))&(member(d(A,B,C),A)|subset(A,B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),[]).
% 
% cnf(156640792,plain,(member(d(A,B,C),A)|subset(A,B)),inference(rewrite,[status(thm)],[subset_defn]),[]).
% 
% cnf(168985376,plain,(member(d(c,A,B),b)|subset(c,A)),inference(resolution,[status(thm)],[168768168,156640792]),[]).
% 
% cnf(156646552,plain,(~member(d(A,B,C),B)|subset(A,B)),inference(rewrite,[status(thm)],[subset_defn]),[]).
% 
% cnf(171557096,plain,(subset(c,b)),inference(resolution,[status(thm)],[168985376,156646552]),[]).
% 
% fof(equal_defn,plain,(((subset(B,A)|~$equal(B,A))&(subset(A,B)|~$equal(B,A))&($equal(B,A)|~subset(A,B)|~subset(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),[]).
% 
% cnf(156590680,plain,($equal(B,A)|~subset(A,B)|~subset(B,A)),inference(rewrite,[status(thm)],[equal_defn]),[]).
% 
% cnf(156713304,plain,(~$equal(c,b)),inference(rewrite,[status(thm)],[prove_th90]),[]).
% 
% cnf(167155816,plain,(~subset(b,c)|~subset(c,b)),inference(resolution,[status(thm)],[156590680,156713304]),[]).
% 
% cnf(171635472,plain,(~subset(b,c)),inference(resolution,[status(thm)],[171557096,167155816]),[]).
% 
% cnf(171660296,plain,(member(d(b,c,A),b)),inference(resolution,[status(thm)],[171635472,156640792]),[]).
% 
% cnf(167366344,plain,(member(d(difference(A,B),C,D),A)|subset(difference(A,B),C)),inference(resolution,[status(thm)],[156573000,156640792]),[]).
% 
% cnf(156582736,plain,(~member(C,B)|~member(C,difference(A,B))),inference(rewrite,[status(thm)],[difference_defn]),[]).
% 
% cnf(167699744,plain,(~member(A,c)|~member(A,difference(c,b))),inference(paramodulation,[status(thm)],[156582736,156720672,theory(equality)]),[]).
% 
% cnf(169940520,plain,(subset(difference(c,b),A)),inference(forward_subsumption_resolution__resolution,[status(thm)],[167366344,167699744,156640792]),[]).
% 
% cnf(156654536,plain,(~subset(A,B)|~member(C,A)|member(C,B)),inference(rewrite,[status(thm)],[subset_defn]),[]).
% 
% cnf(170092272,plain,(~member(B,difference(c,b))|member(B,A)),inference(resolution,[status(thm)],[169940520,156654536]),[]).
% 
% cnf(167342952,plain,(~member(B,difference(difference(C,D),A))|member(B,C)),inference(resolution,[status(thm)],[156573000,156573000]),[]).
% 
% cnf(170602816,plain,(~member(B,difference(c,b))),inference(forward_subsumption_resolution__resolution,[status(thm)],[170092272,167342952,167699744]),[]).
% 
% fof(equal_member_defn,plain,(((member(C,A)|~member(C,B)|~$equal(B,A))&(~member(C,A)|member(C,B)|~$equal(B,A))&(member(d(A,B,C),B)|~member(d(A,B,C),B)|$equal(B,A))&(~member(d(A,B,C),A)|~member(d(A,B,C),B)|$equal(B,A))&(member(d(A,B,C),B)|member(d(A,B,C),A)|$equal(B,A))&(~member(d(A,B,C),A)|member(d(A,B,C),A)|$equal(B,A)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET616+3.tptp',unknown),[]).
% 
% cnf(156629944,plain,(~member(C,A)|member(C,B)|~$equal(B,A)),inference(rewrite,[status(thm)],[equal_member_defn]),[]).
% 
% cnf(167269912,plain,(~member(A,difference(b,c))|member(A,difference(c,b))),inference(resolution,[status(thm)],[156629944,156720672]),[]).
% 
% cnf(170747312,plain,(~member(B,difference(b,c))),inference(resolution,[status(thm)],[170602816,167269912]),[]).
% 
% cnf(170789768,plain,(~member(B,b)|member(B,c)),inference(resolution,[status(thm)],[170747312,156562992]),[]).
% 
% cnf(171707760,plain,(member(d(b,c,A),c)),inference(resolution,[status(thm)],[171660296,170789768]),[]).
% 
% cnf(171761112,plain,(subset(b,c)),inference(resolution,[status(thm)],[171707760,156646552]),[]).
% 
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[171761112,171635472]),[]).
% 
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
% 
%------------------------------------------------------------------------------