TSTP Solution File: SET604+3 by SInE---0.4
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%------------------------------------------------------------------------------
% File : SInE---0.4
% Problem : SET604+3 : TPTP v5.0.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : Source/sine.py -e eprover -t %d %s
% Computer : art11.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 3.00GHz @ 3000MHz
% Memory : 2006MB
% OS : Linux 2.6.31.5-127.fc12.i686.PAE
% CPULimit : 300s
% DateTime : Sun Dec 26 03:05:02 EST 2010
% Result : Theorem 0.20s
% Output : CNFRefutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 3
% Syntax : Number of formulae : 17 ( 13 unt; 0 def)
% Number of atoms : 25 ( 12 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 19 ( 11 ~; 5 |; 2 &)
% ( 1 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 3 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 15 ( 1 sgn 10 !; 2 ?)
% Comments :
%------------------------------------------------------------------------------
fof(4,conjecture,
! [X1] : difference(empty_set,X1) = empty_set,
file('/tmp/tmpuQ9_7S/sel_SET604+3.p_1',prove_no_difference_with_empty_set) ).
fof(5,axiom,
! [X1,X2] :
( difference(X1,X2) = empty_set
<=> subset(X1,X2) ),
file('/tmp/tmpuQ9_7S/sel_SET604+3.p_1',difference_empty_set) ).
fof(7,axiom,
! [X1] : subset(empty_set,X1),
file('/tmp/tmpuQ9_7S/sel_SET604+3.p_1',empty_set_subset) ).
fof(10,negated_conjecture,
~ ! [X1] : difference(empty_set,X1) = empty_set,
inference(assume_negation,[status(cth)],[4]) ).
fof(34,negated_conjecture,
? [X1] : difference(empty_set,X1) != empty_set,
inference(fof_nnf,[status(thm)],[10]) ).
fof(35,negated_conjecture,
? [X2] : difference(empty_set,X2) != empty_set,
inference(variable_rename,[status(thm)],[34]) ).
fof(36,negated_conjecture,
difference(empty_set,esk3_0) != empty_set,
inference(skolemize,[status(esa)],[35]) ).
cnf(37,negated_conjecture,
difference(empty_set,esk3_0) != empty_set,
inference(split_conjunct,[status(thm)],[36]) ).
fof(38,plain,
! [X1,X2] :
( ( difference(X1,X2) != empty_set
| subset(X1,X2) )
& ( ~ subset(X1,X2)
| difference(X1,X2) = empty_set ) ),
inference(fof_nnf,[status(thm)],[5]) ).
fof(39,plain,
! [X3,X4] :
( ( difference(X3,X4) != empty_set
| subset(X3,X4) )
& ( ~ subset(X3,X4)
| difference(X3,X4) = empty_set ) ),
inference(variable_rename,[status(thm)],[38]) ).
cnf(40,plain,
( difference(X1,X2) = empty_set
| ~ subset(X1,X2) ),
inference(split_conjunct,[status(thm)],[39]) ).
fof(48,plain,
! [X2] : subset(empty_set,X2),
inference(variable_rename,[status(thm)],[7]) ).
cnf(49,plain,
subset(empty_set,X1),
inference(split_conjunct,[status(thm)],[48]) ).
cnf(58,negated_conjecture,
~ subset(empty_set,esk3_0),
inference(spm,[status(thm)],[37,40,theory(equality)]) ).
cnf(59,negated_conjecture,
$false,
inference(rw,[status(thm)],[58,49,theory(equality)]) ).
cnf(60,negated_conjecture,
$false,
inference(cn,[status(thm)],[59,theory(equality)]) ).
cnf(61,negated_conjecture,
$false,
60,
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% /home/graph/tptp/Systems/SInE---0.4/Source/sine.py:10: DeprecationWarning: the sets module is deprecated
% from sets import Set
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET604+3.p
% --creating new selector for []
% -running prover on /tmp/tmpuQ9_7S/sel_SET604+3.p_1 with time limit 29
% -prover status Theorem
% Problem SET604+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET604+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET604+3.p
% Solved 1 out of 1.
% # Problem is unsatisfiable (or provable), constructing proof object
% # SZS status Theorem
% # SZS output start CNFRefutation.
% See solution above
% # SZS output end CNFRefutation
%
%------------------------------------------------------------------------------