TSTP Solution File: SET628+3 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET628+3 : TPTP v5.0.0. Released v2.2.0.
% 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 03:05:22 EST 2010

% Result   : Theorem 0.17s
% Output   : CNFRefutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   55 (  11 unt;   0 def)
%            Number of atoms       :  185 (  25 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  215 (  85   ~;  87   |;  35   &)
%                                         (   8 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   89 (   3 sgn  58   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( not_equal(X1,X2)
    <=> X1 != X2 ),
    file('/tmp/tmpuuBlbx/sel_SET628+3.p_1',not_equal_defn) ).

fof(2,axiom,
    ! [X1] :
      ( empty(X1)
    <=> ! [X2] : ~ member(X2,X1) ),
    file('/tmp/tmpuuBlbx/sel_SET628+3.p_1',empty_defn) ).

fof(3,conjecture,
    ! [X1] :
      ( intersect(X1,X1)
    <=> not_equal(X1,empty_set) ),
    file('/tmp/tmpuuBlbx/sel_SET628+3.p_1',prove_th110) ).

fof(4,axiom,
    ! [X1,X2] :
      ( intersect(X1,X2)
    <=> ? [X3] :
          ( member(X3,X1)
          & member(X3,X2) ) ),
    file('/tmp/tmpuuBlbx/sel_SET628+3.p_1',intersect_defn) ).

fof(6,axiom,
    ! [X1,X2] :
      ( X1 = X2
    <=> ! [X3] :
          ( member(X3,X1)
        <=> member(X3,X2) ) ),
    file('/tmp/tmpuuBlbx/sel_SET628+3.p_1',equal_member_defn) ).

fof(7,axiom,
    ! [X1] : ~ member(X1,empty_set),
    file('/tmp/tmpuuBlbx/sel_SET628+3.p_1',empty_set_defn) ).

fof(8,negated_conjecture,
    ~ ! [X1] :
        ( intersect(X1,X1)
      <=> not_equal(X1,empty_set) ),
    inference(assume_negation,[status(cth)],[3]) ).

fof(9,plain,
    ! [X1] :
      ( empty(X1)
    <=> ! [X2] : ~ member(X2,X1) ),
    inference(fof_simplification,[status(thm)],[2,theory(equality)]) ).

fof(10,plain,
    ! [X1] : ~ member(X1,empty_set),
    inference(fof_simplification,[status(thm)],[7,theory(equality)]) ).

fof(11,plain,
    ! [X1,X2] :
      ( ( ~ not_equal(X1,X2)
        | X1 != X2 )
      & ( X1 = X2
        | not_equal(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(12,plain,
    ! [X3,X4] :
      ( ( ~ not_equal(X3,X4)
        | X3 != X4 )
      & ( X3 = X4
        | not_equal(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[11]) ).

cnf(13,plain,
    ( not_equal(X1,X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[12]) ).

cnf(14,plain,
    ( X1 != X2
    | ~ not_equal(X1,X2) ),
    inference(split_conjunct,[status(thm)],[12]) ).

fof(15,plain,
    ! [X1] :
      ( ( ~ empty(X1)
        | ! [X2] : ~ member(X2,X1) )
      & ( ? [X2] : member(X2,X1)
        | empty(X1) ) ),
    inference(fof_nnf,[status(thm)],[9]) ).

fof(16,plain,
    ! [X3] :
      ( ( ~ empty(X3)
        | ! [X4] : ~ member(X4,X3) )
      & ( ? [X5] : member(X5,X3)
        | empty(X3) ) ),
    inference(variable_rename,[status(thm)],[15]) ).

fof(17,plain,
    ! [X3] :
      ( ( ~ empty(X3)
        | ! [X4] : ~ member(X4,X3) )
      & ( member(esk1_1(X3),X3)
        | empty(X3) ) ),
    inference(skolemize,[status(esa)],[16]) ).

fof(18,plain,
    ! [X3,X4] :
      ( ( ~ member(X4,X3)
        | ~ empty(X3) )
      & ( member(esk1_1(X3),X3)
        | empty(X3) ) ),
    inference(shift_quantors,[status(thm)],[17]) ).

cnf(19,plain,
    ( empty(X1)
    | member(esk1_1(X1),X1) ),
    inference(split_conjunct,[status(thm)],[18]) ).

cnf(20,plain,
    ( ~ empty(X1)
    | ~ member(X2,X1) ),
    inference(split_conjunct,[status(thm)],[18]) ).

fof(21,negated_conjecture,
    ? [X1] :
      ( ( ~ intersect(X1,X1)
        | ~ not_equal(X1,empty_set) )
      & ( intersect(X1,X1)
        | not_equal(X1,empty_set) ) ),
    inference(fof_nnf,[status(thm)],[8]) ).

fof(22,negated_conjecture,
    ? [X2] :
      ( ( ~ intersect(X2,X2)
        | ~ not_equal(X2,empty_set) )
      & ( intersect(X2,X2)
        | not_equal(X2,empty_set) ) ),
    inference(variable_rename,[status(thm)],[21]) ).

fof(23,negated_conjecture,
    ( ( ~ intersect(esk2_0,esk2_0)
      | ~ not_equal(esk2_0,empty_set) )
    & ( intersect(esk2_0,esk2_0)
      | not_equal(esk2_0,empty_set) ) ),
    inference(skolemize,[status(esa)],[22]) ).

cnf(24,negated_conjecture,
    ( not_equal(esk2_0,empty_set)
    | intersect(esk2_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[23]) ).

cnf(25,negated_conjecture,
    ( ~ not_equal(esk2_0,empty_set)
    | ~ intersect(esk2_0,esk2_0) ),
    inference(split_conjunct,[status(thm)],[23]) ).

fof(26,plain,
    ! [X1,X2] :
      ( ( ~ intersect(X1,X2)
        | ? [X3] :
            ( member(X3,X1)
            & member(X3,X2) ) )
      & ( ! [X3] :
            ( ~ member(X3,X1)
            | ~ member(X3,X2) )
        | intersect(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(27,plain,
    ! [X4,X5] :
      ( ( ~ intersect(X4,X5)
        | ? [X6] :
            ( member(X6,X4)
            & member(X6,X5) ) )
      & ( ! [X7] :
            ( ~ member(X7,X4)
            | ~ member(X7,X5) )
        | intersect(X4,X5) ) ),
    inference(variable_rename,[status(thm)],[26]) ).

fof(28,plain,
    ! [X4,X5] :
      ( ( ~ intersect(X4,X5)
        | ( member(esk3_2(X4,X5),X4)
          & member(esk3_2(X4,X5),X5) ) )
      & ( ! [X7] :
            ( ~ member(X7,X4)
            | ~ member(X7,X5) )
        | intersect(X4,X5) ) ),
    inference(skolemize,[status(esa)],[27]) ).

fof(29,plain,
    ! [X4,X5,X7] :
      ( ( ~ member(X7,X4)
        | ~ member(X7,X5)
        | intersect(X4,X5) )
      & ( ~ intersect(X4,X5)
        | ( member(esk3_2(X4,X5),X4)
          & member(esk3_2(X4,X5),X5) ) ) ),
    inference(shift_quantors,[status(thm)],[28]) ).

fof(30,plain,
    ! [X4,X5,X7] :
      ( ( ~ member(X7,X4)
        | ~ member(X7,X5)
        | intersect(X4,X5) )
      & ( member(esk3_2(X4,X5),X4)
        | ~ intersect(X4,X5) )
      & ( member(esk3_2(X4,X5),X5)
        | ~ intersect(X4,X5) ) ),
    inference(distribute,[status(thm)],[29]) ).

cnf(31,plain,
    ( member(esk3_2(X1,X2),X2)
    | ~ intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[30]) ).

cnf(33,plain,
    ( intersect(X1,X2)
    | ~ member(X3,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[30]) ).

fof(37,plain,
    ! [X1,X2] :
      ( ( X1 != X2
        | ! [X3] :
            ( ( ~ member(X3,X1)
              | member(X3,X2) )
            & ( ~ member(X3,X2)
              | member(X3,X1) ) ) )
      & ( ? [X3] :
            ( ( ~ member(X3,X1)
              | ~ member(X3,X2) )
            & ( member(X3,X1)
              | member(X3,X2) ) )
        | X1 = X2 ) ),
    inference(fof_nnf,[status(thm)],[6]) ).

fof(38,plain,
    ! [X4,X5] :
      ( ( X4 != X5
        | ! [X6] :
            ( ( ~ member(X6,X4)
              | member(X6,X5) )
            & ( ~ member(X6,X5)
              | member(X6,X4) ) ) )
      & ( ? [X7] :
            ( ( ~ member(X7,X4)
              | ~ member(X7,X5) )
            & ( member(X7,X4)
              | member(X7,X5) ) )
        | X4 = X5 ) ),
    inference(variable_rename,[status(thm)],[37]) ).

fof(39,plain,
    ! [X4,X5] :
      ( ( X4 != X5
        | ! [X6] :
            ( ( ~ member(X6,X4)
              | member(X6,X5) )
            & ( ~ member(X6,X5)
              | member(X6,X4) ) ) )
      & ( ( ( ~ member(esk4_2(X4,X5),X4)
            | ~ member(esk4_2(X4,X5),X5) )
          & ( member(esk4_2(X4,X5),X4)
            | member(esk4_2(X4,X5),X5) ) )
        | X4 = X5 ) ),
    inference(skolemize,[status(esa)],[38]) ).

fof(40,plain,
    ! [X4,X5,X6] :
      ( ( ( ( ~ member(X6,X4)
            | member(X6,X5) )
          & ( ~ member(X6,X5)
            | member(X6,X4) ) )
        | X4 != X5 )
      & ( ( ( ~ member(esk4_2(X4,X5),X4)
            | ~ member(esk4_2(X4,X5),X5) )
          & ( member(esk4_2(X4,X5),X4)
            | member(esk4_2(X4,X5),X5) ) )
        | X4 = X5 ) ),
    inference(shift_quantors,[status(thm)],[39]) ).

fof(41,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X6,X4)
        | member(X6,X5)
        | X4 != X5 )
      & ( ~ member(X6,X5)
        | member(X6,X4)
        | X4 != X5 )
      & ( ~ member(esk4_2(X4,X5),X4)
        | ~ member(esk4_2(X4,X5),X5)
        | X4 = X5 )
      & ( member(esk4_2(X4,X5),X4)
        | member(esk4_2(X4,X5),X5)
        | X4 = X5 ) ),
    inference(distribute,[status(thm)],[40]) ).

cnf(42,plain,
    ( X1 = X2
    | member(esk4_2(X1,X2),X2)
    | member(esk4_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[41]) ).

fof(46,plain,
    ! [X2] : ~ member(X2,empty_set),
    inference(variable_rename,[status(thm)],[10]) ).

cnf(47,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[46]) ).

cnf(48,plain,
    ~ not_equal(X1,X1),
    inference(er,[status(thm)],[14,theory(equality)]) ).

cnf(52,negated_conjecture,
    ( member(esk3_2(esk2_0,esk2_0),esk2_0)
    | not_equal(esk2_0,empty_set) ),
    inference(spm,[status(thm)],[31,24,theory(equality)]) ).

cnf(56,plain,
    ( empty_set = X1
    | member(esk4_2(empty_set,X1),X1) ),
    inference(spm,[status(thm)],[47,42,theory(equality)]) ).

cnf(62,plain,
    ( intersect(X1,X2)
    | empty(X2)
    | ~ member(esk1_1(X2),X1) ),
    inference(spm,[status(thm)],[33,19,theory(equality)]) ).

cnf(65,plain,
    ( intersect(X1,X1)
    | empty(X1) ),
    inference(spm,[status(thm)],[62,19,theory(equality)]) ).

cnf(66,negated_conjecture,
    ( empty(esk2_0)
    | ~ not_equal(esk2_0,empty_set) ),
    inference(spm,[status(thm)],[25,65,theory(equality)]) ).

cnf(70,negated_conjecture,
    ( empty(esk2_0)
    | esk2_0 = empty_set ),
    inference(spm,[status(thm)],[66,13,theory(equality)]) ).

cnf(76,negated_conjecture,
    ( not_equal(esk2_0,empty_set)
    | ~ empty(esk2_0) ),
    inference(spm,[status(thm)],[20,52,theory(equality)]) ).

cnf(80,plain,
    ( empty_set = X1
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[20,56,theory(equality)]) ).

cnf(86,negated_conjecture,
    empty_set = esk2_0,
    inference(spm,[status(thm)],[80,70,theory(equality)]) ).

cnf(88,plain,
    ~ member(X1,esk2_0),
    inference(rw,[status(thm)],[47,86,theory(equality)]) ).

cnf(94,negated_conjecture,
    ( not_equal(esk2_0,esk2_0)
    | ~ empty(esk2_0) ),
    inference(rw,[status(thm)],[76,86,theory(equality)]) ).

cnf(95,negated_conjecture,
    ~ empty(esk2_0),
    inference(sr,[status(thm)],[94,48,theory(equality)]) ).

cnf(103,plain,
    empty(esk2_0),
    inference(spm,[status(thm)],[88,19,theory(equality)]) ).

cnf(107,plain,
    $false,
    inference(sr,[status(thm)],[103,95,theory(equality)]) ).

cnf(108,plain,
    $false,
    107,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET628+3.p
% --creating new selector for []
% -running prover on /tmp/tmpuuBlbx/sel_SET628+3.p_1 with time limit 29
% -prover status Theorem
% Problem SET628+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET628+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET628+3.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
% 
%------------------------------------------------------------------------------