TSTP Solution File: SET917+1 by SInE---0.4
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%------------------------------------------------------------------------------
% File : SInE---0.4
% Problem : SET917+1 : TPTP v5.0.0. Released v3.2.0.
% 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 03:51:33 EST 2010
% Result : Theorem 0.19s
% Output : CNFRefutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 4
% Syntax : Number of formulae : 24 ( 10 unt; 0 def)
% Number of atoms : 38 ( 15 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 29 ( 15 ~; 8 |; 3 &)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 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 : 32 ( 0 sgn 22 !; 4 ?)
% Comments :
%------------------------------------------------------------------------------
fof(1,axiom,
! [X1,X2] : set_intersection2(X1,X2) = set_intersection2(X2,X1),
file('/tmp/tmp3I_zwj/sel_SET917+1.p_1',commutativity_k3_xboole_0) ).
fof(4,conjecture,
! [X1,X2] :
( disjoint(singleton(X1),X2)
| set_intersection2(singleton(X1),X2) = singleton(X1) ),
file('/tmp/tmp3I_zwj/sel_SET917+1.p_1',t58_zfmisc_1) ).
fof(6,axiom,
! [X1,X2] :
( in(X1,X2)
=> set_intersection2(X2,singleton(X1)) = singleton(X1) ),
file('/tmp/tmp3I_zwj/sel_SET917+1.p_1',l32_zfmisc_1) ).
fof(8,axiom,
! [X1,X2] :
( ~ in(X1,X2)
=> disjoint(singleton(X1),X2) ),
file('/tmp/tmp3I_zwj/sel_SET917+1.p_1',l28_zfmisc_1) ).
fof(10,negated_conjecture,
~ ! [X1,X2] :
( disjoint(singleton(X1),X2)
| set_intersection2(singleton(X1),X2) = singleton(X1) ),
inference(assume_negation,[status(cth)],[4]) ).
fof(12,plain,
! [X1,X2] :
( ~ in(X1,X2)
=> disjoint(singleton(X1),X2) ),
inference(fof_simplification,[status(thm)],[8,theory(equality)]) ).
fof(14,plain,
! [X3,X4] : set_intersection2(X3,X4) = set_intersection2(X4,X3),
inference(variable_rename,[status(thm)],[1]) ).
cnf(15,plain,
set_intersection2(X1,X2) = set_intersection2(X2,X1),
inference(split_conjunct,[status(thm)],[14]) ).
fof(21,negated_conjecture,
? [X1,X2] :
( ~ disjoint(singleton(X1),X2)
& set_intersection2(singleton(X1),X2) != singleton(X1) ),
inference(fof_nnf,[status(thm)],[10]) ).
fof(22,negated_conjecture,
? [X3,X4] :
( ~ disjoint(singleton(X3),X4)
& set_intersection2(singleton(X3),X4) != singleton(X3) ),
inference(variable_rename,[status(thm)],[21]) ).
fof(23,negated_conjecture,
( ~ disjoint(singleton(esk1_0),esk2_0)
& set_intersection2(singleton(esk1_0),esk2_0) != singleton(esk1_0) ),
inference(skolemize,[status(esa)],[22]) ).
cnf(24,negated_conjecture,
set_intersection2(singleton(esk1_0),esk2_0) != singleton(esk1_0),
inference(split_conjunct,[status(thm)],[23]) ).
cnf(25,negated_conjecture,
~ disjoint(singleton(esk1_0),esk2_0),
inference(split_conjunct,[status(thm)],[23]) ).
fof(29,plain,
! [X1,X2] :
( ~ in(X1,X2)
| set_intersection2(X2,singleton(X1)) = singleton(X1) ),
inference(fof_nnf,[status(thm)],[6]) ).
fof(30,plain,
! [X3,X4] :
( ~ in(X3,X4)
| set_intersection2(X4,singleton(X3)) = singleton(X3) ),
inference(variable_rename,[status(thm)],[29]) ).
cnf(31,plain,
( set_intersection2(X1,singleton(X2)) = singleton(X2)
| ~ in(X2,X1) ),
inference(split_conjunct,[status(thm)],[30]) ).
fof(35,plain,
! [X1,X2] :
( in(X1,X2)
| disjoint(singleton(X1),X2) ),
inference(fof_nnf,[status(thm)],[12]) ).
fof(36,plain,
! [X3,X4] :
( in(X3,X4)
| disjoint(singleton(X3),X4) ),
inference(variable_rename,[status(thm)],[35]) ).
cnf(37,plain,
( disjoint(singleton(X1),X2)
| in(X1,X2) ),
inference(split_conjunct,[status(thm)],[36]) ).
cnf(45,negated_conjecture,
in(esk1_0,esk2_0),
inference(spm,[status(thm)],[25,37,theory(equality)]) ).
cnf(47,negated_conjecture,
set_intersection2(esk2_0,singleton(esk1_0)) != singleton(esk1_0),
inference(rw,[status(thm)],[24,15,theory(equality)]) ).
cnf(49,negated_conjecture,
set_intersection2(esk2_0,singleton(esk1_0)) = singleton(esk1_0),
inference(spm,[status(thm)],[31,45,theory(equality)]) ).
cnf(50,negated_conjecture,
$false,
inference(sr,[status(thm)],[49,47,theory(equality)]) ).
cnf(51,negated_conjecture,
$false,
50,
[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/SET917+1.p
% --creating new selector for []
% -running prover on /tmp/tmp3I_zwj/sel_SET917+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET917+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET917+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET917+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
%
%------------------------------------------------------------------------------