TSTP Solution File: SET908+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET908+1 : TPTP v5.0.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art05.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 03:46:18 EST 2010

% Result   : Theorem 0.18s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   57 (  20 unt;   0 def)
%            Number of atoms       :  226 (  97 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives :  270 ( 101   ~; 119   |;  44   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   3 con; 0-3 aty)
%            Number of variables   :  122 (   8 sgn  66   !;  10   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,conjecture,
    ! [X1,X2] : set_union2(singleton(X1),X2) != empty_set,
    file('/tmp/tmp0xH4f_/sel_SET908+1.p_1',t49_zfmisc_1) ).

fof(3,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_union2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            | in(X4,X2) ) ) ),
    file('/tmp/tmp0xH4f_/sel_SET908+1.p_1',d2_xboole_0) ).

fof(5,axiom,
    ! [X1,X2] : set_union2(X1,X2) = set_union2(X2,X1),
    file('/tmp/tmp0xH4f_/sel_SET908+1.p_1',commutativity_k2_xboole_0) ).

fof(7,axiom,
    ! [X1,X2] :
      ( X2 = singleton(X1)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> X3 = X1 ) ),
    file('/tmp/tmp0xH4f_/sel_SET908+1.p_1',d1_tarski) ).

fof(8,axiom,
    ! [X1,X2] : set_union2(X1,X1) = X1,
    file('/tmp/tmp0xH4f_/sel_SET908+1.p_1',idempotence_k2_xboole_0) ).

fof(11,axiom,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    file('/tmp/tmp0xH4f_/sel_SET908+1.p_1',d1_xboole_0) ).

fof(13,negated_conjecture,
    ~ ! [X1,X2] : set_union2(singleton(X1),X2) != empty_set,
    inference(assume_negation,[status(cth)],[1]) ).

fof(18,plain,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[11,theory(equality)]) ).

fof(19,negated_conjecture,
    ? [X1,X2] : set_union2(singleton(X1),X2) = empty_set,
    inference(fof_nnf,[status(thm)],[13]) ).

fof(20,negated_conjecture,
    ? [X3,X4] : set_union2(singleton(X3),X4) = empty_set,
    inference(variable_rename,[status(thm)],[19]) ).

fof(21,negated_conjecture,
    set_union2(singleton(esk1_0),esk2_0) = empty_set,
    inference(skolemize,[status(esa)],[20]) ).

cnf(22,negated_conjecture,
    set_union2(singleton(esk1_0),esk2_0) = empty_set,
    inference(split_conjunct,[status(thm)],[21]) ).

fof(26,plain,
    ! [X1,X2,X3] :
      ( ( X3 != set_union2(X1,X2)
        | ! [X4] :
            ( ( ~ in(X4,X3)
              | in(X4,X1)
              | in(X4,X2) )
            & ( ( ~ in(X4,X1)
                & ~ in(X4,X2) )
              | in(X4,X3) ) ) )
      & ( ? [X4] :
            ( ( ~ in(X4,X3)
              | ( ~ in(X4,X1)
                & ~ in(X4,X2) ) )
            & ( in(X4,X3)
              | in(X4,X1)
              | in(X4,X2) ) )
        | X3 = set_union2(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[3]) ).

fof(27,plain,
    ! [X5,X6,X7] :
      ( ( X7 != set_union2(X5,X6)
        | ! [X8] :
            ( ( ~ in(X8,X7)
              | in(X8,X5)
              | in(X8,X6) )
            & ( ( ~ in(X8,X5)
                & ~ in(X8,X6) )
              | in(X8,X7) ) ) )
      & ( ? [X9] :
            ( ( ~ in(X9,X7)
              | ( ~ in(X9,X5)
                & ~ in(X9,X6) ) )
            & ( in(X9,X7)
              | in(X9,X5)
              | in(X9,X6) ) )
        | X7 = set_union2(X5,X6) ) ),
    inference(variable_rename,[status(thm)],[26]) ).

fof(28,plain,
    ! [X5,X6,X7] :
      ( ( X7 != set_union2(X5,X6)
        | ! [X8] :
            ( ( ~ in(X8,X7)
              | in(X8,X5)
              | in(X8,X6) )
            & ( ( ~ in(X8,X5)
                & ~ in(X8,X6) )
              | in(X8,X7) ) ) )
      & ( ( ( ~ in(esk4_3(X5,X6,X7),X7)
            | ( ~ in(esk4_3(X5,X6,X7),X5)
              & ~ in(esk4_3(X5,X6,X7),X6) ) )
          & ( in(esk4_3(X5,X6,X7),X7)
            | in(esk4_3(X5,X6,X7),X5)
            | in(esk4_3(X5,X6,X7),X6) ) )
        | X7 = set_union2(X5,X6) ) ),
    inference(skolemize,[status(esa)],[27]) ).

fof(29,plain,
    ! [X5,X6,X7,X8] :
      ( ( ( ( ~ in(X8,X7)
            | in(X8,X5)
            | in(X8,X6) )
          & ( ( ~ in(X8,X5)
              & ~ in(X8,X6) )
            | in(X8,X7) ) )
        | X7 != set_union2(X5,X6) )
      & ( ( ( ~ in(esk4_3(X5,X6,X7),X7)
            | ( ~ in(esk4_3(X5,X6,X7),X5)
              & ~ in(esk4_3(X5,X6,X7),X6) ) )
          & ( in(esk4_3(X5,X6,X7),X7)
            | in(esk4_3(X5,X6,X7),X5)
            | in(esk4_3(X5,X6,X7),X6) ) )
        | X7 = set_union2(X5,X6) ) ),
    inference(shift_quantors,[status(thm)],[28]) ).

fof(30,plain,
    ! [X5,X6,X7,X8] :
      ( ( ~ in(X8,X7)
        | in(X8,X5)
        | in(X8,X6)
        | X7 != set_union2(X5,X6) )
      & ( ~ in(X8,X5)
        | in(X8,X7)
        | X7 != set_union2(X5,X6) )
      & ( ~ in(X8,X6)
        | in(X8,X7)
        | X7 != set_union2(X5,X6) )
      & ( ~ in(esk4_3(X5,X6,X7),X5)
        | ~ in(esk4_3(X5,X6,X7),X7)
        | X7 = set_union2(X5,X6) )
      & ( ~ in(esk4_3(X5,X6,X7),X6)
        | ~ in(esk4_3(X5,X6,X7),X7)
        | X7 = set_union2(X5,X6) )
      & ( in(esk4_3(X5,X6,X7),X7)
        | in(esk4_3(X5,X6,X7),X5)
        | in(esk4_3(X5,X6,X7),X6)
        | X7 = set_union2(X5,X6) ) ),
    inference(distribute,[status(thm)],[29]) ).

cnf(31,plain,
    ( X1 = set_union2(X2,X3)
    | in(esk4_3(X2,X3,X1),X3)
    | in(esk4_3(X2,X3,X1),X2)
    | in(esk4_3(X2,X3,X1),X1) ),
    inference(split_conjunct,[status(thm)],[30]) ).

cnf(32,plain,
    ( X1 = set_union2(X2,X3)
    | ~ in(esk4_3(X2,X3,X1),X1)
    | ~ in(esk4_3(X2,X3,X1),X3) ),
    inference(split_conjunct,[status(thm)],[30]) ).

cnf(34,plain,
    ( in(X4,X1)
    | X1 != set_union2(X2,X3)
    | ~ in(X4,X3) ),
    inference(split_conjunct,[status(thm)],[30]) ).

fof(40,plain,
    ! [X3,X4] : set_union2(X3,X4) = set_union2(X4,X3),
    inference(variable_rename,[status(thm)],[5]) ).

cnf(41,plain,
    set_union2(X1,X2) = set_union2(X2,X1),
    inference(split_conjunct,[status(thm)],[40]) ).

fof(45,plain,
    ! [X1,X2] :
      ( ( X2 != singleton(X1)
        | ! [X3] :
            ( ( ~ in(X3,X2)
              | X3 = X1 )
            & ( X3 != X1
              | in(X3,X2) ) ) )
      & ( ? [X3] :
            ( ( ~ in(X3,X2)
              | X3 != X1 )
            & ( in(X3,X2)
              | X3 = X1 ) )
        | X2 = singleton(X1) ) ),
    inference(fof_nnf,[status(thm)],[7]) ).

fof(46,plain,
    ! [X4,X5] :
      ( ( X5 != singleton(X4)
        | ! [X6] :
            ( ( ~ in(X6,X5)
              | X6 = X4 )
            & ( X6 != X4
              | in(X6,X5) ) ) )
      & ( ? [X7] :
            ( ( ~ in(X7,X5)
              | X7 != X4 )
            & ( in(X7,X5)
              | X7 = X4 ) )
        | X5 = singleton(X4) ) ),
    inference(variable_rename,[status(thm)],[45]) ).

fof(47,plain,
    ! [X4,X5] :
      ( ( X5 != singleton(X4)
        | ! [X6] :
            ( ( ~ in(X6,X5)
              | X6 = X4 )
            & ( X6 != X4
              | in(X6,X5) ) ) )
      & ( ( ( ~ in(esk5_2(X4,X5),X5)
            | esk5_2(X4,X5) != X4 )
          & ( in(esk5_2(X4,X5),X5)
            | esk5_2(X4,X5) = X4 ) )
        | X5 = singleton(X4) ) ),
    inference(skolemize,[status(esa)],[46]) ).

fof(48,plain,
    ! [X4,X5,X6] :
      ( ( ( ( ~ in(X6,X5)
            | X6 = X4 )
          & ( X6 != X4
            | in(X6,X5) ) )
        | X5 != singleton(X4) )
      & ( ( ( ~ in(esk5_2(X4,X5),X5)
            | esk5_2(X4,X5) != X4 )
          & ( in(esk5_2(X4,X5),X5)
            | esk5_2(X4,X5) = X4 ) )
        | X5 = singleton(X4) ) ),
    inference(shift_quantors,[status(thm)],[47]) ).

fof(49,plain,
    ! [X4,X5,X6] :
      ( ( ~ in(X6,X5)
        | X6 = X4
        | X5 != singleton(X4) )
      & ( X6 != X4
        | in(X6,X5)
        | X5 != singleton(X4) )
      & ( ~ in(esk5_2(X4,X5),X5)
        | esk5_2(X4,X5) != X4
        | X5 = singleton(X4) )
      & ( in(esk5_2(X4,X5),X5)
        | esk5_2(X4,X5) = X4
        | X5 = singleton(X4) ) ),
    inference(distribute,[status(thm)],[48]) ).

cnf(52,plain,
    ( in(X3,X1)
    | X1 != singleton(X2)
    | X3 != X2 ),
    inference(split_conjunct,[status(thm)],[49]) ).

cnf(53,plain,
    ( X3 = X2
    | X1 != singleton(X2)
    | ~ in(X3,X1) ),
    inference(split_conjunct,[status(thm)],[49]) ).

fof(54,plain,
    ! [X3,X4] : set_union2(X3,X3) = X3,
    inference(variable_rename,[status(thm)],[8]) ).

cnf(55,plain,
    set_union2(X1,X1) = X1,
    inference(split_conjunct,[status(thm)],[54]) ).

fof(62,plain,
    ! [X1] :
      ( ( X1 != empty_set
        | ! [X2] : ~ in(X2,X1) )
      & ( ? [X2] : in(X2,X1)
        | X1 = empty_set ) ),
    inference(fof_nnf,[status(thm)],[18]) ).

fof(63,plain,
    ! [X3] :
      ( ( X3 != empty_set
        | ! [X4] : ~ in(X4,X3) )
      & ( ? [X5] : in(X5,X3)
        | X3 = empty_set ) ),
    inference(variable_rename,[status(thm)],[62]) ).

fof(64,plain,
    ! [X3] :
      ( ( X3 != empty_set
        | ! [X4] : ~ in(X4,X3) )
      & ( in(esk7_1(X3),X3)
        | X3 = empty_set ) ),
    inference(skolemize,[status(esa)],[63]) ).

fof(65,plain,
    ! [X3,X4] :
      ( ( ~ in(X4,X3)
        | X3 != empty_set )
      & ( in(esk7_1(X3),X3)
        | X3 = empty_set ) ),
    inference(shift_quantors,[status(thm)],[64]) ).

cnf(67,plain,
    ( X1 != empty_set
    | ~ in(X2,X1) ),
    inference(split_conjunct,[status(thm)],[65]) ).

cnf(71,negated_conjecture,
    set_union2(esk2_0,singleton(esk1_0)) = empty_set,
    inference(rw,[status(thm)],[22,41,theory(equality)]) ).

cnf(74,plain,
    ( in(X1,X2)
    | singleton(X1) != X2 ),
    inference(er,[status(thm)],[52,theory(equality)]) ).

cnf(84,plain,
    ( in(X1,set_union2(X2,X3))
    | ~ in(X1,X3) ),
    inference(er,[status(thm)],[34,theory(equality)]) ).

cnf(109,plain,
    ( set_union2(X2,X3) = X1
    | in(esk4_3(X2,X3,X1),X2)
    | in(esk4_3(X2,X3,X1),X3)
    | empty_set != X1 ),
    inference(spm,[status(thm)],[67,31,theory(equality)]) ).

cnf(132,plain,
    in(X1,singleton(X1)),
    inference(er,[status(thm)],[74,theory(equality)]) ).

cnf(134,plain,
    ( set_union2(X1,X2) = empty_set
    | in(esk4_3(X1,X2,empty_set),X2)
    | in(esk4_3(X1,X2,empty_set),X1) ),
    inference(er,[status(thm)],[109,theory(equality)]) ).

cnf(135,plain,
    empty_set != singleton(X1),
    inference(spm,[status(thm)],[67,132,theory(equality)]) ).

cnf(140,plain,
    ( set_union2(X3,X3) = empty_set
    | in(esk4_3(X3,X3,empty_set),X3) ),
    inference(ef,[status(thm)],[134,theory(equality)]) ).

cnf(150,plain,
    ( X3 = empty_set
    | in(esk4_3(X3,X3,empty_set),X3) ),
    inference(rw,[status(thm)],[140,55,theory(equality)]) ).

cnf(153,plain,
    ( X1 = esk4_3(X2,X2,empty_set)
    | X2 = empty_set
    | singleton(X1) != X2 ),
    inference(spm,[status(thm)],[53,150,theory(equality)]) ).

cnf(161,plain,
    ( X1 = esk4_3(singleton(X1),singleton(X1),empty_set)
    | singleton(X1) = empty_set ),
    inference(er,[status(thm)],[153,theory(equality)]) ).

cnf(162,plain,
    esk4_3(singleton(X1),singleton(X1),empty_set) = X1,
    inference(sr,[status(thm)],[161,135,theory(equality)]) ).

cnf(168,plain,
    ( set_union2(singleton(X1),singleton(X1)) = empty_set
    | ~ in(X1,singleton(X1))
    | ~ in(X1,empty_set) ),
    inference(spm,[status(thm)],[32,162,theory(equality)]) ).

cnf(171,plain,
    ( singleton(X1) = empty_set
    | ~ in(X1,singleton(X1))
    | ~ in(X1,empty_set) ),
    inference(rw,[status(thm)],[168,55,theory(equality)]) ).

cnf(172,plain,
    ( singleton(X1) = empty_set
    | $false
    | ~ in(X1,empty_set) ),
    inference(rw,[status(thm)],[171,132,theory(equality)]) ).

cnf(173,plain,
    ( singleton(X1) = empty_set
    | ~ in(X1,empty_set) ),
    inference(cn,[status(thm)],[172,theory(equality)]) ).

cnf(174,plain,
    ~ in(X1,empty_set),
    inference(sr,[status(thm)],[173,135,theory(equality)]) ).

cnf(192,negated_conjecture,
    ( in(X1,empty_set)
    | ~ in(X1,singleton(esk1_0)) ),
    inference(spm,[status(thm)],[84,71,theory(equality)]) ).

cnf(202,negated_conjecture,
    ~ in(X1,singleton(esk1_0)),
    inference(sr,[status(thm)],[192,174,theory(equality)]) ).

cnf(203,negated_conjecture,
    $false,
    inference(spm,[status(thm)],[202,132,theory(equality)]) ).

cnf(212,negated_conjecture,
    $false,
    203,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET908+1.p
% --creating new selector for []
% -running prover on /tmp/tmp0xH4f_/sel_SET908+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET908+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET908+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET908+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
% 
%------------------------------------------------------------------------------