TSTP Solution File: SET095+4 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET095+4 : TPTP v5.0.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art07.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 02:43:22 EST 2010

% Result   : Theorem 0.22s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   24 (   5 unt;   0 def)
%            Number of atoms       :   69 (   7 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   72 (  27   ~;  25   |;  15   &)
%                                         (   2 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   44 (   0 sgn  28   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( member(X3,X1)
         => member(X3,X2) ) ),
    file('/tmp/tmpELWMzs/sel_SET095+4.p_1',subset) ).

fof(2,axiom,
    ! [X3,X1] :
      ( member(X3,singleton(X1))
    <=> X3 = X1 ),
    file('/tmp/tmpELWMzs/sel_SET095+4.p_1',singleton) ).

fof(3,conjecture,
    ! [X1,X3] :
      ( member(X3,X1)
     => subset(singleton(X3),X1) ),
    file('/tmp/tmpELWMzs/sel_SET095+4.p_1',thI44) ).

fof(4,negated_conjecture,
    ~ ! [X1,X3] :
        ( member(X3,X1)
       => subset(singleton(X3),X1) ),
    inference(assume_negation,[status(cth)],[3]) ).

fof(5,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(6,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)],[5]) ).

fof(7,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)],[6]) ).

fof(8,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)],[7]) ).

fof(9,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)],[8]) ).

cnf(10,plain,
    ( subset(X1,X2)
    | ~ member(esk1_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[9]) ).

cnf(11,plain,
    ( subset(X1,X2)
    | member(esk1_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[9]) ).

fof(13,plain,
    ! [X3,X1] :
      ( ( ~ member(X3,singleton(X1))
        | X3 = X1 )
      & ( X3 != X1
        | member(X3,singleton(X1)) ) ),
    inference(fof_nnf,[status(thm)],[2]) ).

fof(14,plain,
    ! [X4,X5] :
      ( ( ~ member(X4,singleton(X5))
        | X4 = X5 )
      & ( X4 != X5
        | member(X4,singleton(X5)) ) ),
    inference(variable_rename,[status(thm)],[13]) ).

cnf(16,plain,
    ( X1 = X2
    | ~ member(X1,singleton(X2)) ),
    inference(split_conjunct,[status(thm)],[14]) ).

fof(17,negated_conjecture,
    ? [X1,X3] :
      ( member(X3,X1)
      & ~ subset(singleton(X3),X1) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(18,negated_conjecture,
    ? [X4,X5] :
      ( member(X5,X4)
      & ~ subset(singleton(X5),X4) ),
    inference(variable_rename,[status(thm)],[17]) ).

fof(19,negated_conjecture,
    ( member(esk3_0,esk2_0)
    & ~ subset(singleton(esk3_0),esk2_0) ),
    inference(skolemize,[status(esa)],[18]) ).

cnf(20,negated_conjecture,
    ~ subset(singleton(esk3_0),esk2_0),
    inference(split_conjunct,[status(thm)],[19]) ).

cnf(21,negated_conjecture,
    member(esk3_0,esk2_0),
    inference(split_conjunct,[status(thm)],[19]) ).

cnf(23,plain,
    ( esk1_2(singleton(X1),X2) = X1
    | subset(singleton(X1),X2) ),
    inference(spm,[status(thm)],[16,11,theory(equality)]) ).

cnf(27,plain,
    ( subset(singleton(X1),X2)
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[10,23,theory(equality)]) ).

cnf(29,negated_conjecture,
    subset(singleton(esk3_0),esk2_0),
    inference(spm,[status(thm)],[27,21,theory(equality)]) ).

cnf(32,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[29,20,theory(equality)]) ).

cnf(33,negated_conjecture,
    $false,
    32,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET095+4.p
% --creating new selector for [SET006+0.ax]
% -running prover on /tmp/tmpELWMzs/sel_SET095+4.p_1 with time limit 29
% -prover status Theorem
% Problem SET095+4.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET095+4.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET095+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
% 
%------------------------------------------------------------------------------