TSTP Solution File: SEU139+1 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SEU139+1 : TPTP v5.0.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art03.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 04:50:21 EST 2010

% Result   : Theorem 0.23s
% Output   : CNFRefutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   28 (  11 unt;   0 def)
%            Number of atoms       :   60 (  11 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   61 (  29   ~;  17   |;  12   &)
%                                         (   1 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   2 con; 0-0 aty)
%            Number of variables   :   35 (   3 sgn  26   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] :
      ( proper_subset(X1,X2)
    <=> ( subset(X1,X2)
        & X1 != X2 ) ),
    file('/tmp/tmplRDSYS/sel_SEU139+1.p_1',d8_xboole_0) ).

fof(2,axiom,
    ! [X1,X2] : ~ proper_subset(X1,X1),
    file('/tmp/tmplRDSYS/sel_SEU139+1.p_1',irreflexivity_r2_xboole_0) ).

fof(4,axiom,
    ! [X1,X2] :
      ( proper_subset(X1,X2)
     => ~ proper_subset(X2,X1) ),
    file('/tmp/tmplRDSYS/sel_SEU139+1.p_1',antisymmetry_r2_xboole_0) ).

fof(5,conjecture,
    ! [X1,X2] :
      ~ ( subset(X1,X2)
        & proper_subset(X2,X1) ),
    file('/tmp/tmplRDSYS/sel_SEU139+1.p_1',t60_xboole_1) ).

fof(7,negated_conjecture,
    ~ ! [X1,X2] :
        ~ ( subset(X1,X2)
          & proper_subset(X2,X1) ),
    inference(assume_negation,[status(cth)],[5]) ).

fof(8,plain,
    ! [X1,X2] : ~ proper_subset(X1,X1),
    inference(fof_simplification,[status(thm)],[2,theory(equality)]) ).

fof(9,plain,
    ! [X1,X2] :
      ( proper_subset(X1,X2)
     => ~ proper_subset(X2,X1) ),
    inference(fof_simplification,[status(thm)],[4,theory(equality)]) ).

fof(10,plain,
    ! [X1,X2] :
      ( ( ~ proper_subset(X1,X2)
        | ( subset(X1,X2)
          & X1 != X2 ) )
      & ( ~ subset(X1,X2)
        | X1 = X2
        | proper_subset(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(11,plain,
    ! [X3,X4] :
      ( ( ~ proper_subset(X3,X4)
        | ( subset(X3,X4)
          & X3 != X4 ) )
      & ( ~ subset(X3,X4)
        | X3 = X4
        | proper_subset(X3,X4) ) ),
    inference(variable_rename,[status(thm)],[10]) ).

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

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

fof(16,plain,
    ! [X3,X4] : ~ proper_subset(X3,X3),
    inference(variable_rename,[status(thm)],[8]) ).

cnf(17,plain,
    ~ proper_subset(X1,X1),
    inference(split_conjunct,[status(thm)],[16]) ).

fof(24,plain,
    ! [X1,X2] :
      ( ~ proper_subset(X1,X2)
      | ~ proper_subset(X2,X1) ),
    inference(fof_nnf,[status(thm)],[9]) ).

fof(25,plain,
    ! [X3,X4] :
      ( ~ proper_subset(X3,X4)
      | ~ proper_subset(X4,X3) ),
    inference(variable_rename,[status(thm)],[24]) ).

cnf(26,plain,
    ( ~ proper_subset(X1,X2)
    | ~ proper_subset(X2,X1) ),
    inference(split_conjunct,[status(thm)],[25]) ).

fof(27,negated_conjecture,
    ? [X1,X2] :
      ( subset(X1,X2)
      & proper_subset(X2,X1) ),
    inference(fof_nnf,[status(thm)],[7]) ).

fof(28,negated_conjecture,
    ? [X3,X4] :
      ( subset(X3,X4)
      & proper_subset(X4,X3) ),
    inference(variable_rename,[status(thm)],[27]) ).

fof(29,negated_conjecture,
    ( subset(esk1_0,esk2_0)
    & proper_subset(esk2_0,esk1_0) ),
    inference(skolemize,[status(esa)],[28]) ).

cnf(30,negated_conjecture,
    proper_subset(esk2_0,esk1_0),
    inference(split_conjunct,[status(thm)],[29]) ).

cnf(31,negated_conjecture,
    subset(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[29]) ).

cnf(44,negated_conjecture,
    ~ proper_subset(esk1_0,esk2_0),
    inference(spm,[status(thm)],[26,30,theory(equality)]) ).

cnf(47,negated_conjecture,
    ( esk1_0 = esk2_0
    | ~ subset(esk1_0,esk2_0) ),
    inference(spm,[status(thm)],[44,13,theory(equality)]) ).

cnf(48,negated_conjecture,
    ( esk1_0 = esk2_0
    | $false ),
    inference(rw,[status(thm)],[47,31,theory(equality)]) ).

cnf(49,negated_conjecture,
    esk1_0 = esk2_0,
    inference(cn,[status(thm)],[48,theory(equality)]) ).

cnf(51,negated_conjecture,
    proper_subset(esk2_0,esk2_0),
    inference(rw,[status(thm)],[30,49,theory(equality)]) ).

cnf(52,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[51,17,theory(equality)]) ).

cnf(53,negated_conjecture,
    $false,
    52,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SEU/SEU139+1.p
% --creating new selector for []
% -running prover on /tmp/tmplRDSYS/sel_SEU139+1.p_1 with time limit 29
% -prover status Theorem
% Problem SEU139+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SEU/SEU139+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SEU/SEU139+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
% 
%------------------------------------------------------------------------------