TSTP Solution File: SET961+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET961+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 03:54:52 EST 2010

% Result   : Theorem 0.22s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   56 (  14 unt;   0 def)
%            Number of atoms       :  155 (  53 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :  164 (  65   ~;  68   |;  24   &)
%                                         (   4 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   3 con; 0-2 aty)
%            Number of variables   :  101 (  13 sgn  47   !;   8   ?)

% 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/tmpLt7HeR/sel_SET961+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/tmpLt7HeR/sel_SET961+1.p_1',d5_tarski) ).

fof(3,axiom,
    ! [X1,X2] :
      ( ! [X3] :
          ( in(X3,X1)
        <=> in(X3,X2) )
     => X1 = X2 ),
    file('/tmp/tmpLt7HeR/sel_SET961+1.p_1',t2_tarski) ).

fof(7,conjecture,
    ! [X1,X2] :
      ( cartesian_product2(X1,X2) = cartesian_product2(X2,X1)
     => ( X1 = empty_set
        | X2 = empty_set
        | X1 = X2 ) ),
    file('/tmp/tmpLt7HeR/sel_SET961+1.p_1',t114_zfmisc_1) ).

fof(10,axiom,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    file('/tmp/tmpLt7HeR/sel_SET961+1.p_1',d1_xboole_0) ).

fof(12,negated_conjecture,
    ~ ! [X1,X2] :
        ( cartesian_product2(X1,X2) = cartesian_product2(X2,X1)
       => ( X1 = empty_set
          | X2 = empty_set
          | X1 = X2 ) ),
    inference(assume_negation,[status(cth)],[7]) ).

fof(16,plain,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[10,theory(equality)]) ).

fof(17,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(18,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)],[17]) ).

fof(19,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)],[18]) ).

cnf(20,plain,
    ( in(ordered_pair(X1,X2),cartesian_product2(X3,X4))
    | ~ in(X2,X4)
    | ~ in(X1,X3) ),
    inference(split_conjunct,[status(thm)],[19]) ).

cnf(21,plain,
    ( in(X2,X4)
    | ~ in(ordered_pair(X1,X2),cartesian_product2(X3,X4)) ),
    inference(split_conjunct,[status(thm)],[19]) ).

cnf(22,plain,
    ( in(X1,X3)
    | ~ in(ordered_pair(X1,X2),cartesian_product2(X3,X4)) ),
    inference(split_conjunct,[status(thm)],[19]) ).

fof(23,plain,
    ! [X3,X4] : ordered_pair(X3,X4) = unordered_pair(unordered_pair(X3,X4),singleton(X3)),
    inference(variable_rename,[status(thm)],[2]) ).

cnf(24,plain,
    ordered_pair(X1,X2) = unordered_pair(unordered_pair(X1,X2),singleton(X1)),
    inference(split_conjunct,[status(thm)],[23]) ).

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

fof(27,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)],[26]) ).

fof(28,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)],[27]) ).

cnf(29,plain,
    ( X1 = X2
    | in(esk1_2(X1,X2),X2)
    | in(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[28]) ).

cnf(30,plain,
    ( X1 = X2
    | ~ in(esk1_2(X1,X2),X2)
    | ~ in(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[28]) ).

fof(38,negated_conjecture,
    ? [X1,X2] :
      ( cartesian_product2(X1,X2) = cartesian_product2(X2,X1)
      & X1 != empty_set
      & X2 != empty_set
      & X1 != X2 ),
    inference(fof_nnf,[status(thm)],[12]) ).

fof(39,negated_conjecture,
    ? [X3,X4] :
      ( cartesian_product2(X3,X4) = cartesian_product2(X4,X3)
      & X3 != empty_set
      & X4 != empty_set
      & X3 != X4 ),
    inference(variable_rename,[status(thm)],[38]) ).

fof(40,negated_conjecture,
    ( cartesian_product2(esk3_0,esk4_0) = cartesian_product2(esk4_0,esk3_0)
    & esk3_0 != empty_set
    & esk4_0 != empty_set
    & esk3_0 != esk4_0 ),
    inference(skolemize,[status(esa)],[39]) ).

cnf(41,negated_conjecture,
    esk3_0 != esk4_0,
    inference(split_conjunct,[status(thm)],[40]) ).

cnf(42,negated_conjecture,
    esk4_0 != empty_set,
    inference(split_conjunct,[status(thm)],[40]) ).

cnf(43,negated_conjecture,
    esk3_0 != empty_set,
    inference(split_conjunct,[status(thm)],[40]) ).

cnf(44,negated_conjecture,
    cartesian_product2(esk3_0,esk4_0) = cartesian_product2(esk4_0,esk3_0),
    inference(split_conjunct,[status(thm)],[40]) ).

fof(51,plain,
    ! [X1] :
      ( ( X1 != empty_set
        | ! [X2] : ~ in(X2,X1) )
      & ( ? [X2] : in(X2,X1)
        | X1 = empty_set ) ),
    inference(fof_nnf,[status(thm)],[16]) ).

fof(52,plain,
    ! [X3] :
      ( ( X3 != empty_set
        | ! [X4] : ~ in(X4,X3) )
      & ( ? [X5] : in(X5,X3)
        | X3 = empty_set ) ),
    inference(variable_rename,[status(thm)],[51]) ).

fof(53,plain,
    ! [X3] :
      ( ( X3 != empty_set
        | ! [X4] : ~ in(X4,X3) )
      & ( in(esk6_1(X3),X3)
        | X3 = empty_set ) ),
    inference(skolemize,[status(esa)],[52]) ).

fof(54,plain,
    ! [X3,X4] :
      ( ( ~ in(X4,X3)
        | X3 != empty_set )
      & ( in(esk6_1(X3),X3)
        | X3 = empty_set ) ),
    inference(shift_quantors,[status(thm)],[53]) ).

cnf(55,plain,
    ( X1 = empty_set
    | in(esk6_1(X1),X1) ),
    inference(split_conjunct,[status(thm)],[54]) ).

cnf(58,plain,
    ( in(X2,X4)
    | ~ in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(X3,X4)) ),
    inference(rw,[status(thm)],[21,24,theory(equality)]),
    [unfolding] ).

cnf(59,plain,
    ( in(X1,X3)
    | ~ in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(X3,X4)) ),
    inference(rw,[status(thm)],[22,24,theory(equality)]),
    [unfolding] ).

cnf(60,plain,
    ( in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(X3,X4))
    | ~ in(X2,X4)
    | ~ in(X1,X3) ),
    inference(rw,[status(thm)],[20,24,theory(equality)]),
    [unfolding] ).

cnf(75,negated_conjecture,
    ( in(X1,esk4_0)
    | ~ in(unordered_pair(unordered_pair(X2,X1),singleton(X2)),cartesian_product2(esk4_0,esk3_0)) ),
    inference(spm,[status(thm)],[58,44,theory(equality)]) ).

cnf(80,negated_conjecture,
    ( in(X1,esk3_0)
    | ~ in(unordered_pair(unordered_pair(X1,X2),singleton(X1)),cartesian_product2(esk4_0,esk3_0)) ),
    inference(spm,[status(thm)],[59,44,theory(equality)]) ).

cnf(116,negated_conjecture,
    ( in(X1,esk4_0)
    | ~ in(X1,esk3_0)
    | ~ in(X2,esk4_0) ),
    inference(spm,[status(thm)],[75,60,theory(equality)]) ).

cnf(117,negated_conjecture,
    ( in(esk6_1(esk3_0),esk4_0)
    | empty_set = esk3_0
    | ~ in(X1,esk4_0) ),
    inference(spm,[status(thm)],[116,55,theory(equality)]) ).

cnf(118,negated_conjecture,
    ( in(esk1_2(esk3_0,X1),esk4_0)
    | esk3_0 = X1
    | in(esk1_2(esk3_0,X1),X1)
    | ~ in(X2,esk4_0) ),
    inference(spm,[status(thm)],[116,29,theory(equality)]) ).

cnf(122,negated_conjecture,
    ( in(esk6_1(esk3_0),esk4_0)
    | ~ in(X1,esk4_0) ),
    inference(sr,[status(thm)],[117,43,theory(equality)]) ).

cnf(123,negated_conjecture,
    ( in(esk6_1(esk3_0),esk4_0)
    | empty_set = esk4_0 ),
    inference(spm,[status(thm)],[122,55,theory(equality)]) ).

cnf(128,negated_conjecture,
    in(esk6_1(esk3_0),esk4_0),
    inference(sr,[status(thm)],[123,42,theory(equality)]) ).

cnf(168,negated_conjecture,
    ( in(X1,esk3_0)
    | ~ in(X2,esk3_0)
    | ~ in(X1,esk4_0) ),
    inference(spm,[status(thm)],[80,60,theory(equality)]) ).

cnf(169,negated_conjecture,
    ( in(X1,esk3_0)
    | empty_set = esk3_0
    | ~ in(X1,esk4_0) ),
    inference(spm,[status(thm)],[168,55,theory(equality)]) ).

cnf(174,negated_conjecture,
    ( in(X1,esk3_0)
    | ~ in(X1,esk4_0) ),
    inference(sr,[status(thm)],[169,43,theory(equality)]) ).

cnf(330,negated_conjecture,
    ( esk3_0 = X1
    | in(esk1_2(esk3_0,X1),esk4_0)
    | in(esk1_2(esk3_0,X1),X1) ),
    inference(spm,[status(thm)],[118,128,theory(equality)]) ).

cnf(339,negated_conjecture,
    ( esk3_0 = esk4_0
    | in(esk1_2(esk3_0,esk4_0),esk4_0) ),
    inference(ef,[status(thm)],[330,theory(equality)]) ).

cnf(347,negated_conjecture,
    in(esk1_2(esk3_0,esk4_0),esk4_0),
    inference(sr,[status(thm)],[339,41,theory(equality)]) ).

cnf(351,negated_conjecture,
    ( esk3_0 = esk4_0
    | ~ in(esk1_2(esk3_0,esk4_0),esk3_0) ),
    inference(spm,[status(thm)],[30,347,theory(equality)]) ).

cnf(352,negated_conjecture,
    ~ in(esk1_2(esk3_0,esk4_0),esk3_0),
    inference(sr,[status(thm)],[351,41,theory(equality)]) ).

cnf(370,negated_conjecture,
    ~ in(esk1_2(esk3_0,esk4_0),esk4_0),
    inference(spm,[status(thm)],[352,174,theory(equality)]) ).

cnf(374,negated_conjecture,
    $false,
    inference(rw,[status(thm)],[370,347,theory(equality)]) ).

cnf(375,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[374,theory(equality)]) ).

cnf(376,negated_conjecture,
    $false,
    375,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET961+1.p
% --creating new selector for []
% -running prover on /tmp/tmpLt7HeR/sel_SET961+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET961+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET961+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET961+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
% 
%------------------------------------------------------------------------------