TSTP Solution File: SET591+3 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET591+3 : 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 02:59:11 EST 2010

% Result   : Theorem 0.26s
% Output   : CNFRefutation 0.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   48 (  12 unt;   0 def)
%            Number of atoms       :  146 (  18 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives :  168 (  70   ~;  57   |;  32   &)
%                                         (   6 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   90 (   6 sgn  60   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/tmp/tmpApGBFR/sel_SET591+3.p_1',subset_defn) ).

fof(2,conjecture,
    ! [X1,X2] :
      ( subset(X1,difference(X2,X1))
     => X1 = empty_set ),
    file('/tmp/tmpApGBFR/sel_SET591+3.p_1',prove_th50) ).

fof(3,axiom,
    ! [X1] :
      ( empty(X1)
    <=> ! [X2] : ~ member(X2,X1) ),
    file('/tmp/tmpApGBFR/sel_SET591+3.p_1',empty_defn) ).

fof(4,axiom,
    ! [X1,X2] :
      ( X1 = X2
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/tmp/tmpApGBFR/sel_SET591+3.p_1',equal_defn) ).

fof(5,axiom,
    ! [X1,X2,X3] :
      ( member(X3,difference(X1,X2))
    <=> ( member(X3,X1)
        & ~ member(X3,X2) ) ),
    file('/tmp/tmpApGBFR/sel_SET591+3.p_1',difference_defn) ).

fof(7,axiom,
    ! [X1] : ~ member(X1,empty_set),
    file('/tmp/tmpApGBFR/sel_SET591+3.p_1',empty_set_defn) ).

fof(8,negated_conjecture,
    ~ ! [X1,X2] :
        ( subset(X1,difference(X2,X1))
       => X1 = empty_set ),
    inference(assume_negation,[status(cth)],[2]) ).

fof(9,plain,
    ! [X1] :
      ( empty(X1)
    <=> ! [X2] : ~ member(X2,X1) ),
    inference(fof_simplification,[status(thm)],[3,theory(equality)]) ).

fof(10,plain,
    ! [X1,X2,X3] :
      ( member(X3,difference(X1,X2))
    <=> ( member(X3,X1)
        & ~ member(X3,X2) ) ),
    inference(fof_simplification,[status(thm)],[5,theory(equality)]) ).

fof(11,plain,
    ! [X1] : ~ member(X1,empty_set),
    inference(fof_simplification,[status(thm)],[7,theory(equality)]) ).

fof(12,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(13,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)],[12]) ).

fof(14,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)],[13]) ).

fof(15,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)],[14]) ).

fof(16,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)],[15]) ).

cnf(18,plain,
    ( subset(X1,X2)
    | member(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[16]) ).

cnf(19,plain,
    ( member(X3,X2)
    | ~ subset(X1,X2)
    | ~ member(X3,X1) ),
    inference(split_conjunct,[status(thm)],[16]) ).

fof(20,negated_conjecture,
    ? [X1,X2] :
      ( subset(X1,difference(X2,X1))
      & X1 != empty_set ),
    inference(fof_nnf,[status(thm)],[8]) ).

fof(21,negated_conjecture,
    ? [X3,X4] :
      ( subset(X3,difference(X4,X3))
      & X3 != empty_set ),
    inference(variable_rename,[status(thm)],[20]) ).

fof(22,negated_conjecture,
    ( subset(esk2_0,difference(esk3_0,esk2_0))
    & esk2_0 != empty_set ),
    inference(skolemize,[status(esa)],[21]) ).

cnf(23,negated_conjecture,
    esk2_0 != empty_set,
    inference(split_conjunct,[status(thm)],[22]) ).

cnf(24,negated_conjecture,
    subset(esk2_0,difference(esk3_0,esk2_0)),
    inference(split_conjunct,[status(thm)],[22]) ).

fof(25,plain,
    ! [X1] :
      ( ( ~ empty(X1)
        | ! [X2] : ~ member(X2,X1) )
      & ( ? [X2] : member(X2,X1)
        | empty(X1) ) ),
    inference(fof_nnf,[status(thm)],[9]) ).

fof(26,plain,
    ! [X3] :
      ( ( ~ empty(X3)
        | ! [X4] : ~ member(X4,X3) )
      & ( ? [X5] : member(X5,X3)
        | empty(X3) ) ),
    inference(variable_rename,[status(thm)],[25]) ).

fof(27,plain,
    ! [X3] :
      ( ( ~ empty(X3)
        | ! [X4] : ~ member(X4,X3) )
      & ( member(esk4_1(X3),X3)
        | empty(X3) ) ),
    inference(skolemize,[status(esa)],[26]) ).

fof(28,plain,
    ! [X3,X4] :
      ( ( ~ member(X4,X3)
        | ~ empty(X3) )
      & ( member(esk4_1(X3),X3)
        | empty(X3) ) ),
    inference(shift_quantors,[status(thm)],[27]) ).

cnf(29,plain,
    ( empty(X1)
    | member(esk4_1(X1),X1) ),
    inference(split_conjunct,[status(thm)],[28]) ).

cnf(30,plain,
    ( ~ empty(X1)
    | ~ member(X2,X1) ),
    inference(split_conjunct,[status(thm)],[28]) ).

fof(31,plain,
    ! [X1,X2] :
      ( ( X1 != X2
        | ( subset(X1,X2)
          & subset(X2,X1) ) )
      & ( ~ subset(X1,X2)
        | ~ subset(X2,X1)
        | X1 = X2 ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(32,plain,
    ! [X3,X4] :
      ( ( X3 != X4
        | ( subset(X3,X4)
          & subset(X4,X3) ) )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | X3 = X4 ) ),
    inference(variable_rename,[status(thm)],[31]) ).

fof(33,plain,
    ! [X3,X4] :
      ( ( subset(X3,X4)
        | X3 != X4 )
      & ( subset(X4,X3)
        | X3 != X4 )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | X3 = X4 ) ),
    inference(distribute,[status(thm)],[32]) ).

cnf(34,plain,
    ( X1 = X2
    | ~ subset(X2,X1)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[33]) ).

fof(37,plain,
    ! [X1,X2,X3] :
      ( ( ~ member(X3,difference(X1,X2))
        | ( member(X3,X1)
          & ~ member(X3,X2) ) )
      & ( ~ member(X3,X1)
        | member(X3,X2)
        | member(X3,difference(X1,X2)) ) ),
    inference(fof_nnf,[status(thm)],[10]) ).

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

fof(39,plain,
    ! [X4,X5,X6] :
      ( ( member(X6,X4)
        | ~ member(X6,difference(X4,X5)) )
      & ( ~ member(X6,X5)
        | ~ member(X6,difference(X4,X5)) )
      & ( ~ member(X6,X4)
        | member(X6,X5)
        | member(X6,difference(X4,X5)) ) ),
    inference(distribute,[status(thm)],[38]) ).

cnf(41,plain,
    ( ~ member(X1,difference(X2,X3))
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[39]) ).

fof(45,plain,
    ! [X2] : ~ member(X2,empty_set),
    inference(variable_rename,[status(thm)],[11]) ).

cnf(46,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[45]) ).

cnf(50,plain,
    subset(empty_set,X1),
    inference(spm,[status(thm)],[46,18,theory(equality)]) ).

cnf(51,plain,
    ( subset(X1,X2)
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[30,18,theory(equality)]) ).

cnf(63,negated_conjecture,
    ( member(X1,difference(esk3_0,esk2_0))
    | ~ member(X1,esk2_0) ),
    inference(spm,[status(thm)],[19,24,theory(equality)]) ).

cnf(66,plain,
    ( X1 = X2
    | ~ subset(X1,X2)
    | ~ empty(X2) ),
    inference(spm,[status(thm)],[34,51,theory(equality)]) ).

cnf(73,plain,
    ( empty_set = X1
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[66,50,theory(equality)]) ).

cnf(254,negated_conjecture,
    ~ member(X1,esk2_0),
    inference(csr,[status(thm)],[63,41]) ).

cnf(255,negated_conjecture,
    empty(esk2_0),
    inference(spm,[status(thm)],[254,29,theory(equality)]) ).

cnf(259,negated_conjecture,
    empty_set = esk2_0,
    inference(spm,[status(thm)],[73,255,theory(equality)]) ).

cnf(262,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[259,23,theory(equality)]) ).

cnf(263,negated_conjecture,
    $false,
    262,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET591+3.p
% --creating new selector for []
% -running prover on /tmp/tmpApGBFR/sel_SET591+3.p_1 with time limit 29
% -prover status Theorem
% Problem SET591+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET591+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET591+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
% 
%------------------------------------------------------------------------------