TSTP Solution File: SET962+1 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET962+1 : TPTP v5.0.0. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art04.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 03:55:01 EST 2010

% Result   : Theorem 0.18s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   45 (  15 unt;   0 def)
%            Number of atoms       :  114 (  32 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  109 (  40   ~;  50   |;  14   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-2 aty)
%            Number of variables   :   94 (   5 sgn  39   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2,X3,X4] :
      ( in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
    <=> ( in(X1,X3)
        & in(X2,X4) ) ),
    file('/tmp/tmpiXqM3O/sel_SET962+1.p_1',l55_zfmisc_1) ).

fof(2,axiom,
    ! [X1,X2] : ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    file('/tmp/tmpiXqM3O/sel_SET962+1.p_1',d5_tarski) ).

fof(3,axiom,
    ! [X1,X2] :
      ( ! [X3] :
          ( in(X3,X1)
        <=> in(X3,X2) )
     => X1 = X2 ),
    file('/tmp/tmpiXqM3O/sel_SET962+1.p_1',t2_tarski) ).

fof(5,conjecture,
    ! [X1,X2] :
      ( cartesian_product2(X1,X1) = cartesian_product2(X2,X2)
     => X1 = X2 ),
    file('/tmp/tmpiXqM3O/sel_SET962+1.p_1',t115_zfmisc_1) ).

fof(7,axiom,
    ! [X1,X2] : unordered_pair(X1,X2) = unordered_pair(X2,X1),
    file('/tmp/tmpiXqM3O/sel_SET962+1.p_1',commutativity_k2_tarski) ).

fof(10,negated_conjecture,
    ~ ! [X1,X2] :
        ( cartesian_product2(X1,X1) = cartesian_product2(X2,X2)
       => X1 = X2 ),
    inference(assume_negation,[status(cth)],[5]) ).

fof(14,plain,
    ! [X1,X2,X3,X4] :
      ( ( ~ in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
        | ( in(X1,X3)
          & in(X2,X4) ) )
      & ( ~ in(X1,X3)
        | ~ in(X2,X4)
        | in(ordered_pair(X1,X2),cartesian_product2(X3,X4)) ) ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(15,plain,
    ! [X5,X6,X7,X8] :
      ( ( ~ in(ordered_pair(X5,X6),cartesian_product2(X7,X8))
        | ( in(X5,X7)
          & in(X6,X8) ) )
      & ( ~ in(X5,X7)
        | ~ in(X6,X8)
        | in(ordered_pair(X5,X6),cartesian_product2(X7,X8)) ) ),
    inference(variable_rename,[status(thm)],[14]) ).

fof(16,plain,
    ! [X5,X6,X7,X8] :
      ( ( in(X5,X7)
        | ~ in(ordered_pair(X5,X6),cartesian_product2(X7,X8)) )
      & ( in(X6,X8)
        | ~ in(ordered_pair(X5,X6),cartesian_product2(X7,X8)) )
      & ( ~ in(X5,X7)
        | ~ in(X6,X8)
        | in(ordered_pair(X5,X6),cartesian_product2(X7,X8)) ) ),
    inference(distribute,[status(thm)],[15]) ).

cnf(17,plain,
    ( in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
    | ~ in(X2,X4)
    | ~ in(X1,X3) ),
    inference(split_conjunct,[status(thm)],[16]) ).

cnf(18,plain,
    ( in(X2,X4)
    | ~ in(ordered_pair(X1,X2),cartesian_product2(X3,X4)) ),
    inference(split_conjunct,[status(thm)],[16]) ).

fof(20,plain,
    ! [X3,X4] : ordered_pair(X3,X4) = unordered_pair(unordered_pair(X3,X4),singleton(X3)),
    inference(variable_rename,[status(thm)],[2]) ).

cnf(21,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    inference(split_conjunct,[status(thm)],[20]) ).

fof(22,plain,
    ! [X1,X2] :
      ( ? [X3] :
          ( ( ~ in(X3,X1)
            | ~ in(X3,X2) )
          & ( in(X3,X1)
            | in(X3,X2) ) )
      | X1 = X2 ),
    inference(fof_nnf,[status(thm)],[3]) ).

fof(23,plain,
    ! [X4,X5] :
      ( ? [X6] :
          ( ( ~ in(X6,X4)
            | ~ in(X6,X5) )
          & ( in(X6,X4)
            | in(X6,X5) ) )
      | X4 = X5 ),
    inference(variable_rename,[status(thm)],[22]) ).

fof(24,plain,
    ! [X4,X5] :
      ( ( ( ~ in(esk1_2(X4,X5),X4)
          | ~ in(esk1_2(X4,X5),X5) )
        & ( in(esk1_2(X4,X5),X4)
          | in(esk1_2(X4,X5),X5) ) )
      | X4 = X5 ),
    inference(skolemize,[status(esa)],[23]) ).

fof(25,plain,
    ! [X4,X5] :
      ( ( ~ in(esk1_2(X4,X5),X4)
        | ~ in(esk1_2(X4,X5),X5)
        | X4 = X5 )
      & ( in(esk1_2(X4,X5),X4)
        | in(esk1_2(X4,X5),X5)
        | X4 = X5 ) ),
    inference(distribute,[status(thm)],[24]) ).

cnf(26,plain,
    ( X1 = X2
    | in(esk1_2(X1,X2),X2)
    | in(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[25]) ).

cnf(27,plain,
    ( X1 = X2
    | ~ in(esk1_2(X1,X2),X2)
    | ~ in(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[25]) ).

fof(31,negated_conjecture,
    ? [X1,X2] :
      ( cartesian_product2(X1,X1) = cartesian_product2(X2,X2)
      & X1 != X2 ),
    inference(fof_nnf,[status(thm)],[10]) ).

fof(32,negated_conjecture,
    ? [X3,X4] :
      ( cartesian_product2(X3,X3) = cartesian_product2(X4,X4)
      & X3 != X4 ),
    inference(variable_rename,[status(thm)],[31]) ).

fof(33,negated_conjecture,
    ( cartesian_product2(esk3_0,esk3_0) = cartesian_product2(esk4_0,esk4_0)
    & esk3_0 != esk4_0 ),
    inference(skolemize,[status(esa)],[32]) ).

cnf(34,negated_conjecture,
    esk3_0 != esk4_0,
    inference(split_conjunct,[status(thm)],[33]) ).

cnf(35,negated_conjecture,
    cartesian_product2(esk3_0,esk3_0) = cartesian_product2(esk4_0,esk4_0),
    inference(split_conjunct,[status(thm)],[33]) ).

fof(38,plain,
    ! [X3,X4] : unordered_pair(X3,X4) = unordered_pair(X4,X3),
    inference(variable_rename,[status(thm)],[7]) ).

cnf(39,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[38]) ).

cnf(46,plain,
    ( in(X2,X4)
    | ~ in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(X3,X4)) ),
    inference(rw,[status(thm)],[18,21,theory(equality)]),
    [unfolding] ).

cnf(48,plain,
    ( in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(X3,X4))
    | ~ in(X2,X4)
    | ~ in(X1,X3) ),
    inference(rw,[status(thm)],[17,21,theory(equality)]),
    [unfolding] ).

cnf(55,plain,
    ( in(unordered_pair(singleton(X1),unordered_pair(X1,X2)),cartesian_product2(X3,X4))
    | ~ in(X2,X4)
    | ~ in(X1,X3) ),
    inference(rw,[status(thm)],[48,39,theory(equality)]) ).

cnf(56,plain,
    ( in(unordered_pair(singleton(X1),unordered_pair(X1,esk1_2(X2,X3))),cartesian_product2(X4,X2))
    | X2 = X3
    | in(esk1_2(X2,X3),X3)
    | ~ in(X1,X4) ),
    inference(spm,[status(thm)],[55,26,theory(equality)]) ).

cnf(58,plain,
    ( in(X2,X4)
    | ~ in(unordered_pair(singleton(X1),unordered_pair(X1,X2)),cartesian_product2(X3,X4)) ),
    inference(rw,[status(thm)],[46,39,theory(equality)]) ).

cnf(60,plain,
    ( in(X1,X2)
    | ~ in(unordered_pair(singleton(X3),unordered_pair(X1,X3)),cartesian_product2(X4,X2)) ),
    inference(spm,[status(thm)],[58,39,theory(equality)]) ).

cnf(67,negated_conjecture,
    ( in(X1,esk3_0)
    | ~ in(unordered_pair(singleton(X2),unordered_pair(X1,X2)),cartesian_product2(esk4_0,esk4_0)) ),
    inference(spm,[status(thm)],[60,35,theory(equality)]) ).

cnf(77,plain,
    ( X1 = X2
    | in(unordered_pair(singleton(esk1_2(X3,X4)),unordered_pair(esk1_2(X3,X4),esk1_2(X1,X2))),cartesian_product2(X3,X1))
    | in(esk1_2(X1,X2),X2)
    | X3 = X4
    | in(esk1_2(X3,X4),X4) ),
    inference(spm,[status(thm)],[56,26,theory(equality)]) ).

cnf(127,negated_conjecture,
    ( in(esk1_2(esk4_0,X1),esk3_0)
    | esk4_0 = X1
    | in(esk1_2(esk4_0,X1),X1) ),
    inference(spm,[status(thm)],[67,77,theory(equality)]) ).

cnf(133,negated_conjecture,
    ( esk4_0 = esk3_0
    | in(esk1_2(esk4_0,esk3_0),esk3_0) ),
    inference(ef,[status(thm)],[127,theory(equality)]) ).

cnf(144,negated_conjecture,
    in(esk1_2(esk4_0,esk3_0),esk3_0),
    inference(sr,[status(thm)],[133,34,theory(equality)]) ).

cnf(147,negated_conjecture,
    ( in(unordered_pair(singleton(X1),unordered_pair(X1,esk1_2(esk4_0,esk3_0))),cartesian_product2(X2,esk3_0))
    | ~ in(X1,X2) ),
    inference(spm,[status(thm)],[55,144,theory(equality)]) ).

cnf(148,negated_conjecture,
    ( esk4_0 = esk3_0
    | ~ in(esk1_2(esk4_0,esk3_0),esk4_0) ),
    inference(spm,[status(thm)],[27,144,theory(equality)]) ).

cnf(151,negated_conjecture,
    ~ in(esk1_2(esk4_0,esk3_0),esk4_0),
    inference(sr,[status(thm)],[148,34,theory(equality)]) ).

cnf(173,negated_conjecture,
    in(unordered_pair(singleton(esk1_2(esk4_0,esk3_0)),unordered_pair(esk1_2(esk4_0,esk3_0),esk1_2(esk4_0,esk3_0))),cartesian_product2(esk3_0,esk3_0)),
    inference(spm,[status(thm)],[147,144,theory(equality)]) ).

cnf(184,negated_conjecture,
    in(unordered_pair(singleton(esk1_2(esk4_0,esk3_0)),unordered_pair(esk1_2(esk4_0,esk3_0),esk1_2(esk4_0,esk3_0))),cartesian_product2(esk4_0,esk4_0)),
    inference(rw,[status(thm)],[173,35,theory(equality)]) ).

cnf(193,negated_conjecture,
    in(esk1_2(esk4_0,esk3_0),esk4_0),
    inference(spm,[status(thm)],[58,184,theory(equality)]) ).

cnf(206,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[193,151,theory(equality)]) ).

cnf(207,negated_conjecture,
    $false,
    206,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET962+1.p
% --creating new selector for []
% -running prover on /tmp/tmpiXqM3O/sel_SET962+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET962+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET962+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET962+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
% 
%------------------------------------------------------------------------------