TSTP Solution File: SET909+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET909+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 03:46:22 EST 2010

% Result   : Theorem 0.17s
% Output   : CNFRefutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   51 (  19 unt;   0 def)
%            Number of atoms       :  236 ( 120 equ)
%            Maximal formula atoms :   20 (   4 avg)
%            Number of connectives :  292 ( 107   ~; 125   |;  54   &)
%                                         (   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    :    9 (   9 usr;   4 con; 0-3 aty)
%            Number of variables   :  129 (  10 sgn  74   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,conjecture,
    ! [X1,X2,X3] : set_union2(unordered_pair(X1,X2),X3) != empty_set,
    file('/tmp/tmp0Q2ZkF/sel_SET909+1.p_1',t50_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/tmp0Q2ZkF/sel_SET909+1.p_1',d2_xboole_0) ).

fof(5,axiom,
    ! [X1,X2] : set_union2(X1,X2) = set_union2(X2,X1),
    file('/tmp/tmp0Q2ZkF/sel_SET909+1.p_1',commutativity_k2_xboole_0) ).

fof(7,axiom,
    ! [X1,X2] : unordered_pair(X1,X2) = unordered_pair(X2,X1),
    file('/tmp/tmp0Q2ZkF/sel_SET909+1.p_1',commutativity_k2_tarski) ).

fof(11,axiom,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    file('/tmp/tmp0Q2ZkF/sel_SET909+1.p_1',d1_xboole_0) ).

fof(12,axiom,
    ! [X1,X2,X3] :
      ( X3 = unordered_pair(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( X4 = X1
            | X4 = X2 ) ) ),
    file('/tmp/tmp0Q2ZkF/sel_SET909+1.p_1',d2_tarski) ).

fof(14,negated_conjecture,
    ~ ! [X1,X2,X3] : set_union2(unordered_pair(X1,X2),X3) != empty_set,
    inference(assume_negation,[status(cth)],[1]) ).

fof(19,plain,
    ! [X1] :
      ( X1 = empty_set
    <=> ! [X2] : ~ in(X2,X1) ),
    inference(fof_simplification,[status(thm)],[11,theory(equality)]) ).

fof(20,negated_conjecture,
    ? [X1,X2,X3] : set_union2(unordered_pair(X1,X2),X3) = empty_set,
    inference(fof_nnf,[status(thm)],[14]) ).

fof(21,negated_conjecture,
    ? [X4,X5,X6] : set_union2(unordered_pair(X4,X5),X6) = empty_set,
    inference(variable_rename,[status(thm)],[20]) ).

fof(22,negated_conjecture,
    set_union2(unordered_pair(esk1_0,esk2_0),esk3_0) = empty_set,
    inference(skolemize,[status(esa)],[21]) ).

cnf(23,negated_conjecture,
    set_union2(unordered_pair(esk1_0,esk2_0),esk3_0) = empty_set,
    inference(split_conjunct,[status(thm)],[22]) ).

fof(27,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(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) ) ) )
      & ( ? [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)],[27]) ).

fof(29,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(esk5_3(X5,X6,X7),X7)
            | ( ~ in(esk5_3(X5,X6,X7),X5)
              & ~ in(esk5_3(X5,X6,X7),X6) ) )
          & ( in(esk5_3(X5,X6,X7),X7)
            | in(esk5_3(X5,X6,X7),X5)
            | in(esk5_3(X5,X6,X7),X6) ) )
        | X7 = set_union2(X5,X6) ) ),
    inference(skolemize,[status(esa)],[28]) ).

fof(30,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(esk5_3(X5,X6,X7),X7)
            | ( ~ in(esk5_3(X5,X6,X7),X5)
              & ~ in(esk5_3(X5,X6,X7),X6) ) )
          & ( in(esk5_3(X5,X6,X7),X7)
            | in(esk5_3(X5,X6,X7),X5)
            | in(esk5_3(X5,X6,X7),X6) ) )
        | X7 = set_union2(X5,X6) ) ),
    inference(shift_quantors,[status(thm)],[29]) ).

fof(31,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(esk5_3(X5,X6,X7),X5)
        | ~ in(esk5_3(X5,X6,X7),X7)
        | X7 = set_union2(X5,X6) )
      & ( ~ in(esk5_3(X5,X6,X7),X6)
        | ~ in(esk5_3(X5,X6,X7),X7)
        | X7 = set_union2(X5,X6) )
      & ( in(esk5_3(X5,X6,X7),X7)
        | in(esk5_3(X5,X6,X7),X5)
        | in(esk5_3(X5,X6,X7),X6)
        | X7 = set_union2(X5,X6) ) ),
    inference(distribute,[status(thm)],[30]) ).

cnf(35,plain,
    ( in(X4,X1)
    | X1 != set_union2(X2,X3)
    | ~ in(X4,X3) ),
    inference(split_conjunct,[status(thm)],[31]) ).

fof(41,plain,
    ! [X3,X4] : set_union2(X3,X4) = set_union2(X4,X3),
    inference(variable_rename,[status(thm)],[5]) ).

cnf(42,plain,
    set_union2(X1,X2) = set_union2(X2,X1),
    inference(split_conjunct,[status(thm)],[41]) ).

fof(46,plain,
    ! [X3,X4] : unordered_pair(X3,X4) = unordered_pair(X4,X3),
    inference(variable_rename,[status(thm)],[7]) ).

cnf(47,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[46]) ).

fof(56,plain,
    ! [X1] :
      ( ( X1 != empty_set
        | ! [X2] : ~ in(X2,X1) )
      & ( ? [X2] : in(X2,X1)
        | X1 = empty_set ) ),
    inference(fof_nnf,[status(thm)],[19]) ).

fof(57,plain,
    ! [X3] :
      ( ( X3 != empty_set
        | ! [X4] : ~ in(X4,X3) )
      & ( ? [X5] : in(X5,X3)
        | X3 = empty_set ) ),
    inference(variable_rename,[status(thm)],[56]) ).

fof(58,plain,
    ! [X3] :
      ( ( X3 != empty_set
        | ! [X4] : ~ in(X4,X3) )
      & ( in(esk7_1(X3),X3)
        | X3 = empty_set ) ),
    inference(skolemize,[status(esa)],[57]) ).

fof(59,plain,
    ! [X3,X4] :
      ( ( ~ in(X4,X3)
        | X3 != empty_set )
      & ( in(esk7_1(X3),X3)
        | X3 = empty_set ) ),
    inference(shift_quantors,[status(thm)],[58]) ).

cnf(61,plain,
    ( X1 != empty_set
    | ~ in(X2,X1) ),
    inference(split_conjunct,[status(thm)],[59]) ).

fof(62,plain,
    ! [X1,X2,X3] :
      ( ( X3 != unordered_pair(X1,X2)
        | ! [X4] :
            ( ( ~ in(X4,X3)
              | X4 = X1
              | X4 = X2 )
            & ( ( X4 != X1
                & X4 != X2 )
              | in(X4,X3) ) ) )
      & ( ? [X4] :
            ( ( ~ in(X4,X3)
              | ( X4 != X1
                & X4 != X2 ) )
            & ( in(X4,X3)
              | X4 = X1
              | X4 = X2 ) )
        | X3 = unordered_pair(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[12]) ).

fof(63,plain,
    ! [X5,X6,X7] :
      ( ( X7 != unordered_pair(X5,X6)
        | ! [X8] :
            ( ( ~ in(X8,X7)
              | X8 = X5
              | X8 = X6 )
            & ( ( X8 != X5
                & X8 != X6 )
              | in(X8,X7) ) ) )
      & ( ? [X9] :
            ( ( ~ in(X9,X7)
              | ( X9 != X5
                & X9 != X6 ) )
            & ( in(X9,X7)
              | X9 = X5
              | X9 = X6 ) )
        | X7 = unordered_pair(X5,X6) ) ),
    inference(variable_rename,[status(thm)],[62]) ).

fof(64,plain,
    ! [X5,X6,X7] :
      ( ( X7 != unordered_pair(X5,X6)
        | ! [X8] :
            ( ( ~ in(X8,X7)
              | X8 = X5
              | X8 = X6 )
            & ( ( X8 != X5
                & X8 != X6 )
              | in(X8,X7) ) ) )
      & ( ( ( ~ in(esk8_3(X5,X6,X7),X7)
            | ( esk8_3(X5,X6,X7) != X5
              & esk8_3(X5,X6,X7) != X6 ) )
          & ( in(esk8_3(X5,X6,X7),X7)
            | esk8_3(X5,X6,X7) = X5
            | esk8_3(X5,X6,X7) = X6 ) )
        | X7 = unordered_pair(X5,X6) ) ),
    inference(skolemize,[status(esa)],[63]) ).

fof(65,plain,
    ! [X5,X6,X7,X8] :
      ( ( ( ( ~ in(X8,X7)
            | X8 = X5
            | X8 = X6 )
          & ( ( X8 != X5
              & X8 != X6 )
            | in(X8,X7) ) )
        | X7 != unordered_pair(X5,X6) )
      & ( ( ( ~ in(esk8_3(X5,X6,X7),X7)
            | ( esk8_3(X5,X6,X7) != X5
              & esk8_3(X5,X6,X7) != X6 ) )
          & ( in(esk8_3(X5,X6,X7),X7)
            | esk8_3(X5,X6,X7) = X5
            | esk8_3(X5,X6,X7) = X6 ) )
        | X7 = unordered_pair(X5,X6) ) ),
    inference(shift_quantors,[status(thm)],[64]) ).

fof(66,plain,
    ! [X5,X6,X7,X8] :
      ( ( ~ in(X8,X7)
        | X8 = X5
        | X8 = X6
        | X7 != unordered_pair(X5,X6) )
      & ( X8 != X5
        | in(X8,X7)
        | X7 != unordered_pair(X5,X6) )
      & ( X8 != X6
        | in(X8,X7)
        | X7 != unordered_pair(X5,X6) )
      & ( esk8_3(X5,X6,X7) != X5
        | ~ in(esk8_3(X5,X6,X7),X7)
        | X7 = unordered_pair(X5,X6) )
      & ( esk8_3(X5,X6,X7) != X6
        | ~ in(esk8_3(X5,X6,X7),X7)
        | X7 = unordered_pair(X5,X6) )
      & ( in(esk8_3(X5,X6,X7),X7)
        | esk8_3(X5,X6,X7) = X5
        | esk8_3(X5,X6,X7) = X6
        | X7 = unordered_pair(X5,X6) ) ),
    inference(distribute,[status(thm)],[65]) ).

cnf(67,plain,
    ( X1 = unordered_pair(X2,X3)
    | esk8_3(X2,X3,X1) = X3
    | esk8_3(X2,X3,X1) = X2
    | in(esk8_3(X2,X3,X1),X1) ),
    inference(split_conjunct,[status(thm)],[66]) ).

cnf(68,plain,
    ( X1 = unordered_pair(X2,X3)
    | ~ in(esk8_3(X2,X3,X1),X1)
    | esk8_3(X2,X3,X1) != X3 ),
    inference(split_conjunct,[status(thm)],[66]) ).

cnf(70,plain,
    ( in(X4,X1)
    | X1 != unordered_pair(X2,X3)
    | X4 != X3 ),
    inference(split_conjunct,[status(thm)],[66]) ).

cnf(76,negated_conjecture,
    set_union2(esk3_0,unordered_pair(esk1_0,esk2_0)) = empty_set,
    inference(rw,[status(thm)],[23,42,theory(equality)]) ).

cnf(80,plain,
    ( in(X1,X2)
    | unordered_pair(X3,X1) != X2 ),
    inference(er,[status(thm)],[70,theory(equality)]) ).

cnf(92,plain,
    ( in(X1,set_union2(X2,X3))
    | ~ in(X1,X3) ),
    inference(er,[status(thm)],[35,theory(equality)]) ).

cnf(107,plain,
    ( esk8_3(X2,X3,X1) = X2
    | esk8_3(X2,X3,X1) = X3
    | unordered_pair(X2,X3) = X1
    | empty_set != X1 ),
    inference(spm,[status(thm)],[61,67,theory(equality)]) ).

cnf(136,plain,
    in(X1,unordered_pair(X2,X1)),
    inference(er,[status(thm)],[80,theory(equality)]) ).

cnf(139,plain,
    ( esk8_3(X1,X2,empty_set) = X2
    | esk8_3(X1,X2,empty_set) = X1
    | unordered_pair(X1,X2) = empty_set ),
    inference(er,[status(thm)],[107,theory(equality)]) ).

cnf(140,plain,
    ( esk8_3(X3,X4,empty_set) = X4
    | unordered_pair(X3,X4) = empty_set
    | X3 != X4 ),
    inference(ef,[status(thm)],[139,theory(equality)]) ).

cnf(146,plain,
    ( esk8_3(X1,X1,empty_set) = X1
    | unordered_pair(X1,X1) = empty_set ),
    inference(er,[status(thm)],[140,theory(equality)]) ).

cnf(150,plain,
    ( unordered_pair(X1,X1) = empty_set
    | ~ in(X1,empty_set) ),
    inference(spm,[status(thm)],[68,146,theory(equality)]) ).

cnf(154,plain,
    empty_set != unordered_pair(X1,X2),
    inference(spm,[status(thm)],[61,136,theory(equality)]) ).

cnf(157,plain,
    ( empty_set = unordered_pair(X1,X1)
    | ~ in(X1,empty_set) ),
    inference(spm,[status(thm)],[47,150,theory(equality)]) ).

cnf(182,plain,
    ~ in(X1,empty_set),
    inference(sr,[status(thm)],[157,154,theory(equality)]) ).

cnf(251,negated_conjecture,
    ( in(X1,empty_set)
    | ~ in(X1,unordered_pair(esk1_0,esk2_0)) ),
    inference(spm,[status(thm)],[92,76,theory(equality)]) ).

cnf(262,negated_conjecture,
    ~ in(X1,unordered_pair(esk1_0,esk2_0)),
    inference(sr,[status(thm)],[251,182,theory(equality)]) ).

cnf(263,negated_conjecture,
    $false,
    inference(spm,[status(thm)],[262,136,theory(equality)]) ).

cnf(270,negated_conjecture,
    $false,
    263,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET909+1.p
% --creating new selector for []
% -running prover on /tmp/tmp0Q2ZkF/sel_SET909+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET909+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET909+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET909+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
% 
%------------------------------------------------------------------------------