TSTP Solution File: SEU161+2 by SInE---0.4
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%------------------------------------------------------------------------------
% File : SInE---0.4
% Problem : SEU161+2 : 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 04:57:15 EST 2010
% Result : Theorem 0.28s
% Output : CNFRefutation 0.28s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 4
% Syntax : Number of formulae : 25 ( 15 unt; 0 def)
% Number of atoms : 35 ( 21 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 21 ( 11 ~; 4 |; 3 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 27 ( 0 sgn 16 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(34,conjecture,
! [X1,X2] :
( in(X1,X2)
=> set_union2(singleton(X1),X2) = X2 ),
file('/tmp/tmpE6x7UX/sel_SEU161+2.p_1',t46_zfmisc_1) ).
fof(48,axiom,
! [X1] : unordered_pair(X1,X1) = singleton(X1),
file('/tmp/tmpE6x7UX/sel_SEU161+2.p_1',t69_enumset1) ).
fof(50,axiom,
! [X1,X2] : set_union2(X1,X2) = set_union2(X2,X1),
file('/tmp/tmpE6x7UX/sel_SEU161+2.p_1',commutativity_k2_xboole_0) ).
fof(55,axiom,
! [X1,X2] :
( in(X1,X2)
=> set_union2(singleton(X1),X2) = X2 ),
file('/tmp/tmpE6x7UX/sel_SEU161+2.p_1',l23_zfmisc_1) ).
fof(92,negated_conjecture,
~ ! [X1,X2] :
( in(X1,X2)
=> set_union2(singleton(X1),X2) = X2 ),
inference(assume_negation,[status(cth)],[34]) ).
fof(207,negated_conjecture,
? [X1,X2] :
( in(X1,X2)
& set_union2(singleton(X1),X2) != X2 ),
inference(fof_nnf,[status(thm)],[92]) ).
fof(208,negated_conjecture,
? [X3,X4] :
( in(X3,X4)
& set_union2(singleton(X3),X4) != X4 ),
inference(variable_rename,[status(thm)],[207]) ).
fof(209,negated_conjecture,
( in(esk4_0,esk5_0)
& set_union2(singleton(esk4_0),esk5_0) != esk5_0 ),
inference(skolemize,[status(esa)],[208]) ).
cnf(210,negated_conjecture,
set_union2(singleton(esk4_0),esk5_0) != esk5_0,
inference(split_conjunct,[status(thm)],[209]) ).
cnf(211,negated_conjecture,
in(esk4_0,esk5_0),
inference(split_conjunct,[status(thm)],[209]) ).
fof(264,plain,
! [X2] : unordered_pair(X2,X2) = singleton(X2),
inference(variable_rename,[status(thm)],[48]) ).
cnf(265,plain,
unordered_pair(X1,X1) = singleton(X1),
inference(split_conjunct,[status(thm)],[264]) ).
fof(268,plain,
! [X3,X4] : set_union2(X3,X4) = set_union2(X4,X3),
inference(variable_rename,[status(thm)],[50]) ).
cnf(269,plain,
set_union2(X1,X2) = set_union2(X2,X1),
inference(split_conjunct,[status(thm)],[268]) ).
fof(285,plain,
! [X1,X2] :
( ~ in(X1,X2)
| set_union2(singleton(X1),X2) = X2 ),
inference(fof_nnf,[status(thm)],[55]) ).
fof(286,plain,
! [X3,X4] :
( ~ in(X3,X4)
| set_union2(singleton(X3),X4) = X4 ),
inference(variable_rename,[status(thm)],[285]) ).
cnf(287,plain,
( set_union2(singleton(X1),X2) = X2
| ~ in(X1,X2) ),
inference(split_conjunct,[status(thm)],[286]) ).
cnf(452,plain,
( set_union2(unordered_pair(X1,X1),X2) = X2
| ~ in(X1,X2) ),
inference(rw,[status(thm)],[287,265,theory(equality)]),
[unfolding] ).
cnf(464,negated_conjecture,
set_union2(unordered_pair(esk4_0,esk4_0),esk5_0) != esk5_0,
inference(rw,[status(thm)],[210,265,theory(equality)]),
[unfolding] ).
cnf(656,negated_conjecture,
set_union2(esk5_0,unordered_pair(esk4_0,esk4_0)) != esk5_0,
inference(rw,[status(thm)],[464,269,theory(equality)]) ).
cnf(702,negated_conjecture,
set_union2(unordered_pair(esk4_0,esk4_0),esk5_0) = esk5_0,
inference(spm,[status(thm)],[452,211,theory(equality)]) ).
cnf(707,negated_conjecture,
set_union2(esk5_0,unordered_pair(esk4_0,esk4_0)) = esk5_0,
inference(rw,[status(thm)],[702,269,theory(equality)]) ).
cnf(2133,negated_conjecture,
$false,
inference(rw,[status(thm)],[656,707,theory(equality)]) ).
cnf(2134,negated_conjecture,
$false,
inference(cn,[status(thm)],[2133,theory(equality)]) ).
cnf(2135,negated_conjecture,
$false,
2134,
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SEU/SEU161+2.p
% --creating new selector for []
% -running prover on /tmp/tmpE6x7UX/sel_SEU161+2.p_1 with time limit 29
% -prover status Theorem
% Problem SEU161+2.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SEU/SEU161+2.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SEU/SEU161+2.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
%
%------------------------------------------------------------------------------