TSTP Solution File: SEU152+1 by SInE---0.4
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%------------------------------------------------------------------------------
% File : SInE---0.4
% Problem : SEU152+1 : TPTP v5.0.0. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : Source/sine.py -e eprover -t %d %s
% Computer : art02.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 04:53:42 EST 2010
% Result : Theorem 0.23s
% Output : CNFRefutation 0.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 4
% Syntax : Number of formulae : 25 ( 10 unt; 0 def)
% Number of atoms : 44 ( 16 equ)
% Maximal formula atoms : 4 ( 1 avg)
% Number of connectives : 36 ( 17 ~; 10 |; 5 &)
% ( 1 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 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; 0-2 aty)
% Number of variables : 34 ( 0 sgn 20 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(3,axiom,
! [X1,X2] : set_union2(X1,X2) = set_union2(X2,X1),
file('/tmp/tmpfNOtMS/sel_SEU152+1.p_1',commutativity_k2_xboole_0) ).
fof(4,axiom,
! [X1,X2] :
( subset(singleton(X1),X2)
<=> in(X1,X2) ),
file('/tmp/tmpfNOtMS/sel_SEU152+1.p_1',l2_zfmisc_1) ).
fof(5,axiom,
! [X1,X2] :
( subset(X1,X2)
=> set_union2(X1,X2) = X2 ),
file('/tmp/tmpfNOtMS/sel_SEU152+1.p_1',t12_xboole_1) ).
fof(8,conjecture,
! [X1,X2] :
( in(X1,X2)
=> set_union2(singleton(X1),X2) = X2 ),
file('/tmp/tmpfNOtMS/sel_SEU152+1.p_1',l23_zfmisc_1) ).
fof(10,negated_conjecture,
~ ! [X1,X2] :
( in(X1,X2)
=> set_union2(singleton(X1),X2) = X2 ),
inference(assume_negation,[status(cth)],[8]) ).
fof(14,plain,
! [X3,X4] : set_union2(X3,X4) = set_union2(X4,X3),
inference(variable_rename,[status(thm)],[3]) ).
cnf(15,plain,
set_union2(X1,X2) = set_union2(X2,X1),
inference(split_conjunct,[status(thm)],[14]) ).
fof(16,plain,
! [X1,X2] :
( ( ~ subset(singleton(X1),X2)
| in(X1,X2) )
& ( ~ in(X1,X2)
| subset(singleton(X1),X2) ) ),
inference(fof_nnf,[status(thm)],[4]) ).
fof(17,plain,
! [X3,X4] :
( ( ~ subset(singleton(X3),X4)
| in(X3,X4) )
& ( ~ in(X3,X4)
| subset(singleton(X3),X4) ) ),
inference(variable_rename,[status(thm)],[16]) ).
cnf(18,plain,
( subset(singleton(X1),X2)
| ~ in(X1,X2) ),
inference(split_conjunct,[status(thm)],[17]) ).
fof(20,plain,
! [X1,X2] :
( ~ subset(X1,X2)
| set_union2(X1,X2) = X2 ),
inference(fof_nnf,[status(thm)],[5]) ).
fof(21,plain,
! [X3,X4] :
( ~ subset(X3,X4)
| set_union2(X3,X4) = X4 ),
inference(variable_rename,[status(thm)],[20]) ).
cnf(22,plain,
( set_union2(X1,X2) = X2
| ~ subset(X1,X2) ),
inference(split_conjunct,[status(thm)],[21]) ).
fof(28,negated_conjecture,
? [X1,X2] :
( in(X1,X2)
& set_union2(singleton(X1),X2) != X2 ),
inference(fof_nnf,[status(thm)],[10]) ).
fof(29,negated_conjecture,
? [X3,X4] :
( in(X3,X4)
& set_union2(singleton(X3),X4) != X4 ),
inference(variable_rename,[status(thm)],[28]) ).
fof(30,negated_conjecture,
( in(esk1_0,esk2_0)
& set_union2(singleton(esk1_0),esk2_0) != esk2_0 ),
inference(skolemize,[status(esa)],[29]) ).
cnf(31,negated_conjecture,
set_union2(singleton(esk1_0),esk2_0) != esk2_0,
inference(split_conjunct,[status(thm)],[30]) ).
cnf(32,negated_conjecture,
in(esk1_0,esk2_0),
inference(split_conjunct,[status(thm)],[30]) ).
cnf(42,negated_conjecture,
set_union2(esk2_0,singleton(esk1_0)) != esk2_0,
inference(rw,[status(thm)],[31,15,theory(equality)]) ).
cnf(44,plain,
( set_union2(singleton(X1),X2) = X2
| ~ in(X1,X2) ),
inference(spm,[status(thm)],[22,18,theory(equality)]) ).
cnf(47,plain,
( X2 = set_union2(X2,singleton(X1))
| ~ in(X1,X2) ),
inference(spm,[status(thm)],[15,44,theory(equality)]) ).
cnf(51,negated_conjecture,
~ in(esk1_0,esk2_0),
inference(spm,[status(thm)],[42,47,theory(equality)]) ).
cnf(53,negated_conjecture,
$false,
inference(rw,[status(thm)],[51,32,theory(equality)]) ).
cnf(54,negated_conjecture,
$false,
inference(cn,[status(thm)],[53,theory(equality)]) ).
cnf(55,negated_conjecture,
$false,
54,
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SEU/SEU152+1.p
% --creating new selector for []
% -running prover on /tmp/tmpfNOtMS/sel_SEU152+1.p_1 with time limit 29
% -prover status Theorem
% Problem SEU152+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SEU/SEU152+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SEU/SEU152+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
%
%------------------------------------------------------------------------------