TSTP Solution File: SET062+3 by Faust---1.0
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%------------------------------------------------------------------------------
% File : Faust---1.0
% Problem : SET062+3 : TPTP v3.4.2. Released v2.2.0.
% Transfm : none
% Format : tptp
% Command : faust %s
% Computer : art03.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 15:26:20 EDT 2009
% Result : Theorem 0.0s
% Output : Refutation 0.0s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of formulae : 8 ( 6 unt; 0 def)
% Number of atoms : 15 ( 0 equ)
% Maximal formula atoms : 7 ( 1 avg)
% Number of connectives : 14 ( 7 ~; 5 |; 2 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-3 aty)
% Number of variables : 9 ( 3 sgn 4 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Faust---1.0 format not known, defaulting to TPTP
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/SET062+3.tptp',unknown),
[] ).
cnf(144311704,plain,
( member(d(A,B,C),A)
| subset(A,B) ),
inference(rewrite,[status(thm)],[subset_defn]),
[] ).
fof(empty_set_defn,plain,
! [A] : ~ member(A,empty_set),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET062+3.tptp',unknown),
[] ).
cnf(144305120,plain,
~ member(A,empty_set),
inference(rewrite,[status(thm)],[empty_set_defn]),
[] ).
cnf(152163744,plain,
subset(empty_set,A),
inference(resolution,[status(thm)],[144311704,144305120]),
[] ).
fof(prove_empty_set_subset,plain,
~ subset(empty_set,b),
file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET062+3.tptp',unknown),
[] ).
cnf(144374048,plain,
~ subset(empty_set,b),
inference(rewrite,[status(thm)],[prove_empty_set_subset]),
[] ).
cnf(contradiction,plain,
$false,
inference(resolution,[status(thm)],[152163744,144374048]),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% Proof found in: 0 seconds
% START OF PROOF SEQUENCE
% fof(subset_defn,plain,(((~subset(A,B)|~member(C,A)|member(C,B))&(~member(d(A,B,C),B)|subset(A,B))&(member(d(A,B,C),A)|subset(A,B)))),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET062+3.tptp',unknown),[]).
%
% cnf(144311704,plain,(member(d(A,B,C),A)|subset(A,B)),inference(rewrite,[status(thm)],[subset_defn]),[]).
%
% fof(empty_set_defn,plain,(~member(A,empty_set)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET062+3.tptp',unknown),[]).
%
% cnf(144305120,plain,(~member(A,empty_set)),inference(rewrite,[status(thm)],[empty_set_defn]),[]).
%
% cnf(152163744,plain,(subset(empty_set,A)),inference(resolution,[status(thm)],[144311704,144305120]),[]).
%
% fof(prove_empty_set_subset,plain,(~subset(empty_set,b)),file('/home/graph/tptp/TSTP/PreparedTPTP/tptp---none/SET/SET062+3.tptp',unknown),[]).
%
% cnf(144374048,plain,(~subset(empty_set,b)),inference(rewrite,[status(thm)],[prove_empty_set_subset]),[]).
%
% cnf(contradiction,plain,$false,inference(resolution,[status(thm)],[152163744,144374048]),[]).
%
% END OF PROOF SEQUENCE
% faust: ../JJParser/Signature.c:39: void FreeSignatureList(SymbolNodeType**): Assertion `(*Symbols)->NumberOfUses == 0' failed.
%
%------------------------------------------------------------------------------