TSTP Solution File: SET930+1 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET930+1 : TPTP v5.0.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art06.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 03:48:15 EST 2010

% Result   : Theorem 0.22s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   41 (  12 unt;   0 def)
%            Number of atoms       :  138 (  66 equ)
%            Maximal formula atoms :   11 (   3 avg)
%            Number of connectives :  173 (  76   ~;  51   |;  41   &)
%                                         (   5 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   72 (   0 sgn  52   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2,X3] :
      ( set_difference(unordered_pair(X1,X2),X3) = empty_set
    <=> ( in(X1,X3)
        & in(X2,X3) ) ),
    file('/tmp/tmp31I0UE/sel_SET930+1.p_1',t73_zfmisc_1) ).

fof(3,axiom,
    ! [X1,X2,X3] :
      ( set_difference(unordered_pair(X1,X2),X3) = unordered_pair(X1,X2)
    <=> ( ~ in(X1,X3)
        & ~ in(X2,X3) ) ),
    file('/tmp/tmp31I0UE/sel_SET930+1.p_1',t72_zfmisc_1) ).

fof(4,conjecture,
    ! [X1,X2,X3] :
      ~ ( set_difference(unordered_pair(X1,X2),X3) != empty_set
        & set_difference(unordered_pair(X1,X2),X3) != singleton(X1)
        & set_difference(unordered_pair(X1,X2),X3) != singleton(X2)
        & set_difference(unordered_pair(X1,X2),X3) != unordered_pair(X1,X2) ),
    file('/tmp/tmp31I0UE/sel_SET930+1.p_1',t74_zfmisc_1) ).

fof(5,axiom,
    ! [X1,X2] : unordered_pair(X1,X2) = unordered_pair(X2,X1),
    file('/tmp/tmp31I0UE/sel_SET930+1.p_1',commutativity_k2_tarski) ).

fof(9,axiom,
    ! [X1,X2,X3] :
      ( set_difference(unordered_pair(X1,X2),X3) = singleton(X1)
    <=> ( ~ in(X1,X3)
        & ( in(X2,X3)
          | X1 = X2 ) ) ),
    file('/tmp/tmp31I0UE/sel_SET930+1.p_1',l39_zfmisc_1) ).

fof(10,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ~ ( set_difference(unordered_pair(X1,X2),X3) != empty_set
          & set_difference(unordered_pair(X1,X2),X3) != singleton(X1)
          & set_difference(unordered_pair(X1,X2),X3) != singleton(X2)
          & set_difference(unordered_pair(X1,X2),X3) != unordered_pair(X1,X2) ),
    inference(assume_negation,[status(cth)],[4]) ).

fof(12,plain,
    ! [X1,X2,X3] :
      ( set_difference(unordered_pair(X1,X2),X3) = unordered_pair(X1,X2)
    <=> ( ~ in(X1,X3)
        & ~ in(X2,X3) ) ),
    inference(fof_simplification,[status(thm)],[3,theory(equality)]) ).

fof(14,plain,
    ! [X1,X2,X3] :
      ( set_difference(unordered_pair(X1,X2),X3) = singleton(X1)
    <=> ( ~ in(X1,X3)
        & ( in(X2,X3)
          | X1 = X2 ) ) ),
    inference(fof_simplification,[status(thm)],[9,theory(equality)]) ).

fof(15,plain,
    ! [X1,X2,X3] :
      ( ( set_difference(unordered_pair(X1,X2),X3) != empty_set
        | ( in(X1,X3)
          & in(X2,X3) ) )
      & ( ~ in(X1,X3)
        | ~ in(X2,X3)
        | set_difference(unordered_pair(X1,X2),X3) = empty_set ) ),
    inference(fof_nnf,[status(thm)],[1]) ).

fof(16,plain,
    ! [X4,X5,X6] :
      ( ( set_difference(unordered_pair(X4,X5),X6) != empty_set
        | ( in(X4,X6)
          & in(X5,X6) ) )
      & ( ~ in(X4,X6)
        | ~ in(X5,X6)
        | set_difference(unordered_pair(X4,X5),X6) = empty_set ) ),
    inference(variable_rename,[status(thm)],[15]) ).

fof(17,plain,
    ! [X4,X5,X6] :
      ( ( in(X4,X6)
        | set_difference(unordered_pair(X4,X5),X6) != empty_set )
      & ( in(X5,X6)
        | set_difference(unordered_pair(X4,X5),X6) != empty_set )
      & ( ~ in(X4,X6)
        | ~ in(X5,X6)
        | set_difference(unordered_pair(X4,X5),X6) = empty_set ) ),
    inference(distribute,[status(thm)],[16]) ).

cnf(18,plain,
    ( set_difference(unordered_pair(X1,X2),X3) = empty_set
    | ~ in(X2,X3)
    | ~ in(X1,X3) ),
    inference(split_conjunct,[status(thm)],[17]) ).

fof(24,plain,
    ! [X1,X2,X3] :
      ( ( set_difference(unordered_pair(X1,X2),X3) != unordered_pair(X1,X2)
        | ( ~ in(X1,X3)
          & ~ in(X2,X3) ) )
      & ( in(X1,X3)
        | in(X2,X3)
        | set_difference(unordered_pair(X1,X2),X3) = unordered_pair(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[12]) ).

fof(25,plain,
    ! [X4,X5,X6] :
      ( ( set_difference(unordered_pair(X4,X5),X6) != unordered_pair(X4,X5)
        | ( ~ in(X4,X6)
          & ~ in(X5,X6) ) )
      & ( in(X4,X6)
        | in(X5,X6)
        | set_difference(unordered_pair(X4,X5),X6) = unordered_pair(X4,X5) ) ),
    inference(variable_rename,[status(thm)],[24]) ).

fof(26,plain,
    ! [X4,X5,X6] :
      ( ( ~ in(X4,X6)
        | set_difference(unordered_pair(X4,X5),X6) != unordered_pair(X4,X5) )
      & ( ~ in(X5,X6)
        | set_difference(unordered_pair(X4,X5),X6) != unordered_pair(X4,X5) )
      & ( in(X4,X6)
        | in(X5,X6)
        | set_difference(unordered_pair(X4,X5),X6) = unordered_pair(X4,X5) ) ),
    inference(distribute,[status(thm)],[25]) ).

cnf(27,plain,
    ( set_difference(unordered_pair(X1,X2),X3) = unordered_pair(X1,X2)
    | in(X2,X3)
    | in(X1,X3) ),
    inference(split_conjunct,[status(thm)],[26]) ).

fof(30,negated_conjecture,
    ? [X1,X2,X3] :
      ( set_difference(unordered_pair(X1,X2),X3) != empty_set
      & set_difference(unordered_pair(X1,X2),X3) != singleton(X1)
      & set_difference(unordered_pair(X1,X2),X3) != singleton(X2)
      & set_difference(unordered_pair(X1,X2),X3) != unordered_pair(X1,X2) ),
    inference(fof_nnf,[status(thm)],[10]) ).

fof(31,negated_conjecture,
    ? [X4,X5,X6] :
      ( set_difference(unordered_pair(X4,X5),X6) != empty_set
      & set_difference(unordered_pair(X4,X5),X6) != singleton(X4)
      & set_difference(unordered_pair(X4,X5),X6) != singleton(X5)
      & set_difference(unordered_pair(X4,X5),X6) != unordered_pair(X4,X5) ),
    inference(variable_rename,[status(thm)],[30]) ).

fof(32,negated_conjecture,
    ( set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != empty_set
    & set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != singleton(esk2_0)
    & set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != singleton(esk3_0)
    & set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != unordered_pair(esk2_0,esk3_0) ),
    inference(skolemize,[status(esa)],[31]) ).

cnf(33,negated_conjecture,
    set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != unordered_pair(esk2_0,esk3_0),
    inference(split_conjunct,[status(thm)],[32]) ).

cnf(34,negated_conjecture,
    set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != singleton(esk3_0),
    inference(split_conjunct,[status(thm)],[32]) ).

cnf(35,negated_conjecture,
    set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != singleton(esk2_0),
    inference(split_conjunct,[status(thm)],[32]) ).

cnf(36,negated_conjecture,
    set_difference(unordered_pair(esk2_0,esk3_0),esk4_0) != empty_set,
    inference(split_conjunct,[status(thm)],[32]) ).

fof(37,plain,
    ! [X3,X4] : unordered_pair(X3,X4) = unordered_pair(X4,X3),
    inference(variable_rename,[status(thm)],[5]) ).

cnf(38,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[37]) ).

fof(46,plain,
    ! [X1,X2,X3] :
      ( ( set_difference(unordered_pair(X1,X2),X3) != singleton(X1)
        | ( ~ in(X1,X3)
          & ( in(X2,X3)
            | X1 = X2 ) ) )
      & ( in(X1,X3)
        | ( ~ in(X2,X3)
          & X1 != X2 )
        | set_difference(unordered_pair(X1,X2),X3) = singleton(X1) ) ),
    inference(fof_nnf,[status(thm)],[14]) ).

fof(47,plain,
    ! [X4,X5,X6] :
      ( ( set_difference(unordered_pair(X4,X5),X6) != singleton(X4)
        | ( ~ in(X4,X6)
          & ( in(X5,X6)
            | X4 = X5 ) ) )
      & ( in(X4,X6)
        | ( ~ in(X5,X6)
          & X4 != X5 )
        | set_difference(unordered_pair(X4,X5),X6) = singleton(X4) ) ),
    inference(variable_rename,[status(thm)],[46]) ).

fof(48,plain,
    ! [X4,X5,X6] :
      ( ( ~ in(X4,X6)
        | set_difference(unordered_pair(X4,X5),X6) != singleton(X4) )
      & ( in(X5,X6)
        | X4 = X5
        | set_difference(unordered_pair(X4,X5),X6) != singleton(X4) )
      & ( ~ in(X5,X6)
        | in(X4,X6)
        | set_difference(unordered_pair(X4,X5),X6) = singleton(X4) )
      & ( X4 != X5
        | in(X4,X6)
        | set_difference(unordered_pair(X4,X5),X6) = singleton(X4) ) ),
    inference(distribute,[status(thm)],[47]) ).

cnf(50,plain,
    ( set_difference(unordered_pair(X1,X2),X3) = singleton(X1)
    | in(X1,X3)
    | ~ in(X2,X3) ),
    inference(split_conjunct,[status(thm)],[48]) ).

cnf(64,negated_conjecture,
    ( ~ in(esk3_0,esk4_0)
    | ~ in(esk2_0,esk4_0) ),
    inference(spm,[status(thm)],[36,18,theory(equality)]) ).

cnf(72,plain,
    ( set_difference(unordered_pair(X2,X1),X3) = singleton(X1)
    | in(X1,X3)
    | ~ in(X2,X3) ),
    inference(spm,[status(thm)],[50,38,theory(equality)]) ).

cnf(75,negated_conjecture,
    ( in(esk2_0,esk4_0)
    | ~ in(esk3_0,esk4_0) ),
    inference(spm,[status(thm)],[35,50,theory(equality)]) ).

cnf(92,negated_conjecture,
    ( in(esk2_0,esk4_0)
    | in(esk3_0,esk4_0) ),
    inference(spm,[status(thm)],[33,27,theory(equality)]) ).

cnf(107,negated_conjecture,
    in(esk2_0,esk4_0),
    inference(csr,[status(thm)],[75,92]) ).

cnf(109,negated_conjecture,
    ( ~ in(esk3_0,esk4_0)
    | $false ),
    inference(rw,[status(thm)],[64,107,theory(equality)]) ).

cnf(110,negated_conjecture,
    ~ in(esk3_0,esk4_0),
    inference(cn,[status(thm)],[109,theory(equality)]) ).

cnf(230,negated_conjecture,
    ( in(esk3_0,esk4_0)
    | ~ in(esk2_0,esk4_0) ),
    inference(spm,[status(thm)],[34,72,theory(equality)]) ).

cnf(250,negated_conjecture,
    ( in(esk3_0,esk4_0)
    | $false ),
    inference(rw,[status(thm)],[230,107,theory(equality)]) ).

cnf(251,negated_conjecture,
    in(esk3_0,esk4_0),
    inference(cn,[status(thm)],[250,theory(equality)]) ).

cnf(252,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[251,110,theory(equality)]) ).

cnf(253,negated_conjecture,
    $false,
    252,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET930+1.p
% --creating new selector for []
% -running prover on /tmp/tmp31I0UE/sel_SET930+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET930+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET930+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET930+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
% 
%------------------------------------------------------------------------------