TSTP Solution File: SET016+4 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET016+4 : TPTP v5.0.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art01.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 02:37:41 EST 2010

% Result   : Theorem 0.20s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   53 (  13 unt;   0 def)
%            Number of atoms       :  149 (  51 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  150 (  54   ~;  61   |;  28   &)
%                                         (   4 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   87 (   4 sgn  52   !;  10   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/tmp/tmp9tANiX/sel_SET016+4.p_1',subset) ).

fof(2,axiom,
    ! [X1,X2] :
      ( equal_set(X1,X2)
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/tmp/tmp9tANiX/sel_SET016+4.p_1',equal_set) ).

fof(3,axiom,
    ! [X3,X1] :
      ( member(X3,singleton(X1))
    <=> X3 = X1 ),
    file('/tmp/tmp9tANiX/sel_SET016+4.p_1',singleton) ).

fof(4,axiom,
    ! [X3,X1,X2] :
      ( member(X3,unordered_pair(X1,X2))
    <=> ( X3 = X1
        | X3 = X2 ) ),
    file('/tmp/tmp9tANiX/sel_SET016+4.p_1',unordered_pair) ).

fof(5,conjecture,
    ! [X1,X2,X4,X5] :
      ( equal_set(unordered_pair(singleton(X1),unordered_pair(X1,X2)),unordered_pair(singleton(X4),unordered_pair(X4,X5)))
     => X1 = X4 ),
    file('/tmp/tmp9tANiX/sel_SET016+4.p_1',thI50a) ).

fof(6,negated_conjecture,
    ~ ! [X1,X2,X4,X5] :
        ( equal_set(unordered_pair(singleton(X1),unordered_pair(X1,X2)),unordered_pair(singleton(X4),unordered_pair(X4,X5)))
       => X1 = X4 ),
    inference(assume_negation,[status(cth)],[5]) ).

fof(7,plain,
    ! [X1,X2] :
      ( ( ~ subset(X1,X2)
        | ! [X3] :
            ( ~ member(X3,X1)
            | member(X3,X2) ) )
      & ( ? [X3] :
            ( member(X3,X1)
            & ~ member(X3,X2) )
        | subset(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(8,plain,
    ! [X4,X5] :
      ( ( ~ subset(X4,X5)
        | ! [X6] :
            ( ~ member(X6,X4)
            | member(X6,X5) ) )
      & ( ? [X7] :
            ( member(X7,X4)
            & ~ member(X7,X5) )
        | subset(X4,X5) ) ),
    inference(variable_rename,[status(thm)],[7]) ).

fof(9,plain,
    ! [X4,X5] :
      ( ( ~ subset(X4,X5)
        | ! [X6] :
            ( ~ member(X6,X4)
            | member(X6,X5) ) )
      & ( ( member(esk1_2(X4,X5),X4)
          & ~ member(esk1_2(X4,X5),X5) )
        | subset(X4,X5) ) ),
    inference(skolemize,[status(esa)],[8]) ).

fof(10,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5) )
      & ( ( member(esk1_2(X4,X5),X4)
          & ~ member(esk1_2(X4,X5),X5) )
        | subset(X4,X5) ) ),
    inference(shift_quantors,[status(thm)],[9]) ).

fof(11,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5) )
      & ( member(esk1_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ member(esk1_2(X4,X5),X5)
        | subset(X4,X5) ) ),
    inference(distribute,[status(thm)],[10]) ).

cnf(14,plain,
    ( member(X3,X2)
    | ~ subset(X1,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[11]) ).

fof(15,plain,
    ! [X1,X2] :
      ( ( ~ equal_set(X1,X2)
        | ( subset(X1,X2)
          & subset(X2,X1) ) )
      & ( ~ subset(X1,X2)
        | ~ subset(X2,X1)
        | equal_set(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[2]) ).

fof(16,plain,
    ! [X3,X4] :
      ( ( ~ equal_set(X3,X4)
        | ( subset(X3,X4)
          & subset(X4,X3) ) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | equal_set(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[15]) ).

fof(17,plain,
    ! [X3,X4] :
      ( ( subset(X3,X4)
        | ~ equal_set(X3,X4) )
      & ( subset(X4,X3)
        | ~ equal_set(X3,X4) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | equal_set(X3,X4) ) ),
    inference(distribute,[status(thm)],[16]) ).

cnf(19,plain,
    ( subset(X2,X1)
    | ~ equal_set(X1,X2) ),
    inference(split_conjunct,[status(thm)],[17]) ).

fof(21,plain,
    ! [X3,X1] :
      ( ( ~ member(X3,singleton(X1))
        | X3 = X1 )
      & ( X3 != X1
        | member(X3,singleton(X1)) ) ),
    inference(fof_nnf,[status(thm)],[3]) ).

fof(22,plain,
    ! [X4,X5] :
      ( ( ~ member(X4,singleton(X5))
        | X4 = X5 )
      & ( X4 != X5
        | member(X4,singleton(X5)) ) ),
    inference(variable_rename,[status(thm)],[21]) ).

cnf(23,plain,
    ( member(X1,singleton(X2))
    | X1 != X2 ),
    inference(split_conjunct,[status(thm)],[22]) ).

cnf(24,plain,
    ( X1 = X2
    | ~ member(X1,singleton(X2)) ),
    inference(split_conjunct,[status(thm)],[22]) ).

fof(25,plain,
    ! [X3,X1,X2] :
      ( ( ~ member(X3,unordered_pair(X1,X2))
        | X3 = X1
        | X3 = X2 )
      & ( ( X3 != X1
          & X3 != X2 )
        | member(X3,unordered_pair(X1,X2)) ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(26,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X4,unordered_pair(X5,X6))
        | X4 = X5
        | X4 = X6 )
      & ( ( X4 != X5
          & X4 != X6 )
        | member(X4,unordered_pair(X5,X6)) ) ),
    inference(variable_rename,[status(thm)],[25]) ).

fof(27,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X4,unordered_pair(X5,X6))
        | X4 = X5
        | X4 = X6 )
      & ( X4 != X5
        | member(X4,unordered_pair(X5,X6)) )
      & ( X4 != X6
        | member(X4,unordered_pair(X5,X6)) ) ),
    inference(distribute,[status(thm)],[26]) ).

cnf(28,plain,
    ( member(X1,unordered_pair(X2,X3))
    | X1 != X3 ),
    inference(split_conjunct,[status(thm)],[27]) ).

cnf(29,plain,
    ( member(X1,unordered_pair(X2,X3))
    | X1 != X2 ),
    inference(split_conjunct,[status(thm)],[27]) ).

cnf(30,plain,
    ( X1 = X2
    | X1 = X3
    | ~ member(X1,unordered_pair(X3,X2)) ),
    inference(split_conjunct,[status(thm)],[27]) ).

fof(31,negated_conjecture,
    ? [X1,X2,X4,X5] :
      ( equal_set(unordered_pair(singleton(X1),unordered_pair(X1,X2)),unordered_pair(singleton(X4),unordered_pair(X4,X5)))
      & X1 != X4 ),
    inference(fof_nnf,[status(thm)],[6]) ).

fof(32,negated_conjecture,
    ? [X6,X7,X8,X9] :
      ( equal_set(unordered_pair(singleton(X6),unordered_pair(X6,X7)),unordered_pair(singleton(X8),unordered_pair(X8,X9)))
      & X6 != X8 ),
    inference(variable_rename,[status(thm)],[31]) ).

fof(33,negated_conjecture,
    ( equal_set(unordered_pair(singleton(esk2_0),unordered_pair(esk2_0,esk3_0)),unordered_pair(singleton(esk4_0),unordered_pair(esk4_0,esk5_0)))
    & esk2_0 != esk4_0 ),
    inference(skolemize,[status(esa)],[32]) ).

cnf(34,negated_conjecture,
    esk2_0 != esk4_0,
    inference(split_conjunct,[status(thm)],[33]) ).

cnf(35,negated_conjecture,
    equal_set(unordered_pair(singleton(esk2_0),unordered_pair(esk2_0,esk3_0)),unordered_pair(singleton(esk4_0),unordered_pair(esk4_0,esk5_0))),
    inference(split_conjunct,[status(thm)],[33]) ).

cnf(36,plain,
    member(X1,singleton(X1)),
    inference(er,[status(thm)],[23,theory(equality)]) ).

cnf(37,plain,
    member(X1,unordered_pair(X2,X1)),
    inference(er,[status(thm)],[28,theory(equality)]) ).

cnf(38,plain,
    member(X1,unordered_pair(X1,X2)),
    inference(er,[status(thm)],[29,theory(equality)]) ).

cnf(39,negated_conjecture,
    subset(unordered_pair(singleton(esk4_0),unordered_pair(esk4_0,esk5_0)),unordered_pair(singleton(esk2_0),unordered_pair(esk2_0,esk3_0))),
    inference(spm,[status(thm)],[19,35,theory(equality)]) ).

cnf(65,negated_conjecture,
    ( member(X1,unordered_pair(singleton(esk2_0),unordered_pair(esk2_0,esk3_0)))
    | ~ member(X1,unordered_pair(singleton(esk4_0),unordered_pair(esk4_0,esk5_0))) ),
    inference(spm,[status(thm)],[14,39,theory(equality)]) ).

cnf(178,negated_conjecture,
    member(singleton(esk4_0),unordered_pair(singleton(esk2_0),unordered_pair(esk2_0,esk3_0))),
    inference(spm,[status(thm)],[65,38,theory(equality)]) ).

cnf(180,negated_conjecture,
    ( singleton(esk4_0) = unordered_pair(esk2_0,esk3_0)
    | singleton(esk4_0) = singleton(esk2_0) ),
    inference(spm,[status(thm)],[30,178,theory(equality)]) ).

cnf(184,negated_conjecture,
    ( member(esk3_0,singleton(esk4_0))
    | singleton(esk4_0) = singleton(esk2_0) ),
    inference(spm,[status(thm)],[37,180,theory(equality)]) ).

cnf(201,negated_conjecture,
    ( esk3_0 = esk4_0
    | singleton(esk4_0) = singleton(esk2_0) ),
    inference(spm,[status(thm)],[24,184,theory(equality)]) ).

cnf(207,negated_conjecture,
    ( member(esk4_0,singleton(esk2_0))
    | esk4_0 = esk3_0 ),
    inference(spm,[status(thm)],[36,201,theory(equality)]) ).

cnf(225,negated_conjecture,
    ( esk4_0 = esk2_0
    | esk4_0 = esk3_0 ),
    inference(spm,[status(thm)],[24,207,theory(equality)]) ).

cnf(230,negated_conjecture,
    esk4_0 = esk3_0,
    inference(sr,[status(thm)],[225,34,theory(equality)]) ).

cnf(236,negated_conjecture,
    esk3_0 != esk2_0,
    inference(rw,[status(thm)],[34,230,theory(equality)]) ).

cnf(243,negated_conjecture,
    ( unordered_pair(esk2_0,esk3_0) = singleton(esk3_0)
    | singleton(esk4_0) = singleton(esk2_0) ),
    inference(rw,[status(thm)],[180,230,theory(equality)]) ).

cnf(244,negated_conjecture,
    ( unordered_pair(esk2_0,esk3_0) = singleton(esk3_0)
    | singleton(esk3_0) = singleton(esk2_0) ),
    inference(rw,[status(thm)],[243,230,theory(equality)]) ).

cnf(247,negated_conjecture,
    ( member(esk2_0,singleton(esk3_0))
    | singleton(esk3_0) = singleton(esk2_0) ),
    inference(spm,[status(thm)],[38,244,theory(equality)]) ).

cnf(267,negated_conjecture,
    ( esk2_0 = esk3_0
    | singleton(esk3_0) = singleton(esk2_0) ),
    inference(spm,[status(thm)],[24,247,theory(equality)]) ).

cnf(272,negated_conjecture,
    singleton(esk3_0) = singleton(esk2_0),
    inference(sr,[status(thm)],[267,236,theory(equality)]) ).

cnf(279,negated_conjecture,
    ( X1 = esk3_0
    | ~ member(X1,singleton(esk2_0)) ),
    inference(spm,[status(thm)],[24,272,theory(equality)]) ).

cnf(289,negated_conjecture,
    esk2_0 = esk3_0,
    inference(spm,[status(thm)],[279,36,theory(equality)]) ).

cnf(291,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[289,236,theory(equality)]) ).

cnf(292,negated_conjecture,
    $false,
    291,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET016+4.p
% --creating new selector for [SET006+0.ax]
% -running prover on /tmp/tmp9tANiX/sel_SET016+4.p_1 with time limit 29
% -prover status Theorem
% Problem SET016+4.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET016+4.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET016+4.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
% 
%------------------------------------------------------------------------------