TSTP Solution File: SET074+1 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET074+1 : TPTP v5.3.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art11.cs.miami.edu
% Model    : i686 i686
% CPU      : Intel(R) Pentium(R) 4 CPU 3.00GHz @ 3000MHz
% Memory   : 2005MB
% OS       : Linux 2.6.32.26-175.fc12.i686.PAE
% CPULimit : 300s
% DateTime : Fri Jun 15 08:05:09 EDT 2012

% Result   : Theorem 0.16s
% Output   : CNFRefutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   22 (   9 unt;   0 def)
%            Number of atoms       :   59 (   2 equ)
%            Maximal formula atoms :   11 (   2 avg)
%            Number of connectives :   62 (  25   ~;  21   |;  13   &)
%                                         (   1 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   29 (   3 sgn  19   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(2,axiom,
    ! [X1] : ~ member(X1,null_class),
    file('/tmp/tmpXcKKqw/sel_SET074+1.p_1',null_class_defn) ).

fof(5,axiom,
    ! [X3,X1,X2] :
      ( member(X3,unordered_pair(X1,X2))
    <=> ( member(X3,universal_class)
        & ( equal(X3,X1)
          | equal(X3,X2) ) ) ),
    file('/tmp/tmpXcKKqw/sel_SET074+1.p_1',unordered_pair_defn) ).

fof(7,conjecture,
    ! [X1,X2] :
      ( member(X2,universal_class)
     => ~ equal(unordered_pair(X1,X2),null_class) ),
    file('/tmp/tmpXcKKqw/sel_SET074+1.p_1',corollary1_2) ).

fof(8,negated_conjecture,
    ~ ! [X1,X2] :
        ( member(X2,universal_class)
       => ~ equal(unordered_pair(X1,X2),null_class) ),
    inference(assume_negation,[status(cth)],[7]) ).

fof(9,plain,
    ! [X1] : ~ member(X1,null_class),
    inference(fof_simplification,[status(thm)],[2,theory(equality)]) ).

fof(12,plain,
    ! [X2] : ~ member(X2,null_class),
    inference(variable_rename,[status(thm)],[9]) ).

cnf(13,plain,
    ~ member(X1,null_class),
    inference(split_conjunct,[status(thm)],[12]) ).

fof(22,plain,
    ! [X3,X1,X2] :
      ( ( ~ member(X3,unordered_pair(X1,X2))
        | ( member(X3,universal_class)
          & ( equal(X3,X1)
            | equal(X3,X2) ) ) )
      & ( ~ member(X3,universal_class)
        | ( ~ equal(X3,X1)
          & ~ equal(X3,X2) )
        | member(X3,unordered_pair(X1,X2)) ) ),
    inference(fof_nnf,[status(thm)],[5]) ).

fof(23,plain,
    ! [X4,X5,X6] :
      ( ( ~ member(X4,unordered_pair(X5,X6))
        | ( member(X4,universal_class)
          & ( equal(X4,X5)
            | equal(X4,X6) ) ) )
      & ( ~ member(X4,universal_class)
        | ( ~ equal(X4,X5)
          & ~ equal(X4,X6) )
        | member(X4,unordered_pair(X5,X6)) ) ),
    inference(variable_rename,[status(thm)],[22]) ).

fof(24,plain,
    ! [X4,X5,X6] :
      ( ( member(X4,universal_class)
        | ~ member(X4,unordered_pair(X5,X6)) )
      & ( equal(X4,X5)
        | equal(X4,X6)
        | ~ member(X4,unordered_pair(X5,X6)) )
      & ( ~ equal(X4,X5)
        | ~ member(X4,universal_class)
        | member(X4,unordered_pair(X5,X6)) )
      & ( ~ equal(X4,X6)
        | ~ member(X4,universal_class)
        | member(X4,unordered_pair(X5,X6)) ) ),
    inference(distribute,[status(thm)],[23]) ).

cnf(25,plain,
    ( member(X1,unordered_pair(X2,X3))
    | ~ member(X1,universal_class)
    | X1 != X3 ),
    inference(split_conjunct,[status(thm)],[24]) ).

fof(31,negated_conjecture,
    ? [X1,X2] :
      ( member(X2,universal_class)
      & equal(unordered_pair(X1,X2),null_class) ),
    inference(fof_nnf,[status(thm)],[8]) ).

fof(32,negated_conjecture,
    ? [X3,X4] :
      ( member(X4,universal_class)
      & equal(unordered_pair(X3,X4),null_class) ),
    inference(variable_rename,[status(thm)],[31]) ).

fof(33,negated_conjecture,
    ( member(esk2_0,universal_class)
    & equal(unordered_pair(esk1_0,esk2_0),null_class) ),
    inference(skolemize,[status(esa)],[32]) ).

cnf(34,negated_conjecture,
    unordered_pair(esk1_0,esk2_0) = null_class,
    inference(split_conjunct,[status(thm)],[33]) ).

cnf(35,negated_conjecture,
    member(esk2_0,universal_class),
    inference(split_conjunct,[status(thm)],[33]) ).

cnf(42,plain,
    ( member(X1,unordered_pair(X2,X1))
    | ~ member(X1,universal_class) ),
    inference(er,[status(thm)],[25,theory(equality)]) ).

cnf(47,negated_conjecture,
    ( member(esk2_0,null_class)
    | ~ member(esk2_0,universal_class) ),
    inference(spm,[status(thm)],[42,34,theory(equality)]) ).

cnf(49,negated_conjecture,
    ( member(esk2_0,null_class)
    | $false ),
    inference(rw,[status(thm)],[47,35,theory(equality)]) ).

cnf(50,negated_conjecture,
    member(esk2_0,null_class),
    inference(cn,[status(thm)],[49,theory(equality)]) ).

cnf(51,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[50,13,theory(equality)]) ).

cnf(52,negated_conjecture,
    $false,
    51,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% /home/graph/tptp/Systems/SInE---0.4/Source/sine.py:10: DeprecationWarning: the sets module is deprecated
%   from sets import Set
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET074+1.p
% --creating new selector for [SET005+0.ax]
% -running prover on /tmp/tmpXcKKqw/sel_SET074+1.p_1 with time limit 29
% -running prover with command ['/davis/home/graph/tptp/Systems/SInE---0.4/Source/./Source/PROVER/eproof.working', '-s', '-tLPO4', '-xAuto', '-tAuto', '--memory-limit=768', '--tptp3-format', '--cpu-limit=29', '/tmp/tmpXcKKqw/sel_SET074+1.p_1']
% -prover status Theorem
% Problem SET074+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET074+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET074+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
% 
%------------------------------------------------------------------------------