TSTP Solution File: SET900+1 by SInE---0.4
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%------------------------------------------------------------------------------
% File : SInE---0.4
% Problem : SET900+1 : TPTP v5.0.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : Source/sine.py -e eprover -t %d %s
% Computer : art03.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory : 2018MB
% OS : Linux 2.6.26.8-57.fc8
% CPULimit : 300s
% DateTime : Sun Dec 26 03:45:12 EST 2010
% Result : Theorem 0.17s
% Output : CNFRefutation 0.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 13
% Number of leaves : 2
% Syntax : Number of formulae : 23 ( 5 unt; 0 def)
% Number of atoms : 69 ( 54 equ)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 84 ( 38 ~; 25 |; 21 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 5 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 36 ( 0 sgn 21 !; 6 ?)
% Comments :
%------------------------------------------------------------------------------
fof(1,axiom,
! [X1,X2] :
~ ( X1 != singleton(X2)
& X1 != empty_set
& ! [X3] :
~ ( in(X3,X1)
& X3 != X2 ) ),
file('/tmp/tmp34fb1G/sel_SET900+1.p_1',l45_zfmisc_1) ).
fof(2,conjecture,
! [X1,X2] :
~ ( X1 != singleton(X2)
& X1 != empty_set
& ! [X3] :
~ ( in(X3,X1)
& X3 != X2 ) ),
file('/tmp/tmp34fb1G/sel_SET900+1.p_1',t41_zfmisc_1) ).
fof(7,negated_conjecture,
~ ! [X1,X2] :
~ ( X1 != singleton(X2)
& X1 != empty_set
& ! [X3] :
~ ( in(X3,X1)
& X3 != X2 ) ),
inference(assume_negation,[status(cth)],[2]) ).
fof(10,plain,
! [X1,X2] :
( X1 = singleton(X2)
| X1 = empty_set
| ? [X3] :
( in(X3,X1)
& X3 != X2 ) ),
inference(fof_nnf,[status(thm)],[1]) ).
fof(11,plain,
! [X4,X5] :
( X4 = singleton(X5)
| X4 = empty_set
| ? [X6] :
( in(X6,X4)
& X6 != X5 ) ),
inference(variable_rename,[status(thm)],[10]) ).
fof(12,plain,
! [X4,X5] :
( X4 = singleton(X5)
| X4 = empty_set
| ( in(esk1_2(X4,X5),X4)
& esk1_2(X4,X5) != X5 ) ),
inference(skolemize,[status(esa)],[11]) ).
fof(13,plain,
! [X4,X5] :
( ( in(esk1_2(X4,X5),X4)
| X4 = singleton(X5)
| X4 = empty_set )
& ( esk1_2(X4,X5) != X5
| X4 = singleton(X5)
| X4 = empty_set ) ),
inference(distribute,[status(thm)],[12]) ).
cnf(14,plain,
( X1 = empty_set
| X1 = singleton(X2)
| esk1_2(X1,X2) != X2 ),
inference(split_conjunct,[status(thm)],[13]) ).
cnf(15,plain,
( X1 = empty_set
| X1 = singleton(X2)
| in(esk1_2(X1,X2),X1) ),
inference(split_conjunct,[status(thm)],[13]) ).
fof(16,negated_conjecture,
? [X1,X2] :
( X1 != singleton(X2)
& X1 != empty_set
& ! [X3] :
( ~ in(X3,X1)
| X3 = X2 ) ),
inference(fof_nnf,[status(thm)],[7]) ).
fof(17,negated_conjecture,
? [X4,X5] :
( X4 != singleton(X5)
& X4 != empty_set
& ! [X6] :
( ~ in(X6,X4)
| X6 = X5 ) ),
inference(variable_rename,[status(thm)],[16]) ).
fof(18,negated_conjecture,
( esk2_0 != singleton(esk3_0)
& esk2_0 != empty_set
& ! [X6] :
( ~ in(X6,esk2_0)
| X6 = esk3_0 ) ),
inference(skolemize,[status(esa)],[17]) ).
fof(19,negated_conjecture,
! [X6] :
( ( ~ in(X6,esk2_0)
| X6 = esk3_0 )
& esk2_0 != singleton(esk3_0)
& esk2_0 != empty_set ),
inference(shift_quantors,[status(thm)],[18]) ).
cnf(20,negated_conjecture,
esk2_0 != empty_set,
inference(split_conjunct,[status(thm)],[19]) ).
cnf(21,negated_conjecture,
esk2_0 != singleton(esk3_0),
inference(split_conjunct,[status(thm)],[19]) ).
cnf(22,negated_conjecture,
( X1 = esk3_0
| ~ in(X1,esk2_0) ),
inference(split_conjunct,[status(thm)],[19]) ).
cnf(34,negated_conjecture,
( esk3_0 = esk1_2(esk2_0,X1)
| singleton(X1) = esk2_0
| empty_set = esk2_0 ),
inference(spm,[status(thm)],[22,15,theory(equality)]) ).
cnf(35,negated_conjecture,
( esk1_2(esk2_0,X1) = esk3_0
| singleton(X1) = esk2_0 ),
inference(sr,[status(thm)],[34,20,theory(equality)]) ).
cnf(37,negated_conjecture,
( singleton(X1) = esk2_0
| empty_set = esk2_0
| esk3_0 != X1 ),
inference(spm,[status(thm)],[14,35,theory(equality)]) ).
cnf(39,negated_conjecture,
( singleton(X1) = esk2_0
| esk3_0 != X1 ),
inference(sr,[status(thm)],[37,20,theory(equality)]) ).
cnf(40,negated_conjecture,
singleton(esk3_0) = esk2_0,
inference(er,[status(thm)],[39,theory(equality)]) ).
cnf(41,negated_conjecture,
$false,
inference(sr,[status(thm)],[40,21,theory(equality)]) ).
cnf(42,negated_conjecture,
$false,
41,
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET900+1.p
% --creating new selector for []
% -running prover on /tmp/tmp34fb1G/sel_SET900+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET900+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET900+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET900+1.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
%
%------------------------------------------------------------------------------