TSTP Solution File: SET918+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET918+1 : TPTP v5.0.0. Released v3.2.0.
% 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 03:47:13 EST 2010

% Result   : Theorem 0.28s
% Output   : CNFRefutation 0.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   49 (  17 unt;   0 def)
%            Number of atoms       :  273 ( 139 equ)
%            Maximal formula atoms :   20 (   5 avg)
%            Number of connectives :  351 ( 127   ~; 142   |;  76   &)
%                                         (   6 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   3 con; 0-3 aty)
%            Number of variables   :  120 (   4 sgn  80   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1,X2] : set_intersection2(X1,X2) = set_intersection2(X2,X1),
    file('/tmp/tmpwTbgwo/sel_SET918+1.p_1',commutativity_k3_xboole_0) ).

fof(4,conjecture,
    ! [X1,X2,X3] :
      ~ ( set_intersection2(unordered_pair(X1,X2),X3) = singleton(X1)
        & in(X2,X3)
        & X1 != X2 ),
    file('/tmp/tmpwTbgwo/sel_SET918+1.p_1',t59_zfmisc_1) ).

fof(5,axiom,
    ! [X1,X2] : unordered_pair(X1,X2) = unordered_pair(X2,X1),
    file('/tmp/tmpwTbgwo/sel_SET918+1.p_1',commutativity_k2_tarski) ).

fof(6,axiom,
    ! [X1,X2] :
      ( X2 = singleton(X1)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> X3 = X1 ) ),
    file('/tmp/tmpwTbgwo/sel_SET918+1.p_1',d1_tarski) ).

fof(8,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_intersection2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & in(X4,X2) ) ) ),
    file('/tmp/tmpwTbgwo/sel_SET918+1.p_1',d3_xboole_0) ).

fof(10,axiom,
    ! [X1,X2,X3] :
      ( X3 = unordered_pair(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( X4 = X1
            | X4 = X2 ) ) ),
    file('/tmp/tmpwTbgwo/sel_SET918+1.p_1',d2_tarski) ).

fof(11,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ~ ( set_intersection2(unordered_pair(X1,X2),X3) = singleton(X1)
          & in(X2,X3)
          & X1 != X2 ),
    inference(assume_negation,[status(cth)],[4]) ).

fof(14,plain,
    ! [X3,X4] : set_intersection2(X3,X4) = set_intersection2(X4,X3),
    inference(variable_rename,[status(thm)],[1]) ).

cnf(15,plain,
    set_intersection2(X1,X2) = set_intersection2(X2,X1),
    inference(split_conjunct,[status(thm)],[14]) ).

fof(21,negated_conjecture,
    ? [X1,X2,X3] :
      ( set_intersection2(unordered_pair(X1,X2),X3) = singleton(X1)
      & in(X2,X3)
      & X1 != X2 ),
    inference(fof_nnf,[status(thm)],[11]) ).

fof(22,negated_conjecture,
    ? [X4,X5,X6] :
      ( set_intersection2(unordered_pair(X4,X5),X6) = singleton(X4)
      & in(X5,X6)
      & X4 != X5 ),
    inference(variable_rename,[status(thm)],[21]) ).

fof(23,negated_conjecture,
    ( set_intersection2(unordered_pair(esk2_0,esk3_0),esk4_0) = singleton(esk2_0)
    & in(esk3_0,esk4_0)
    & esk2_0 != esk3_0 ),
    inference(skolemize,[status(esa)],[22]) ).

cnf(24,negated_conjecture,
    esk2_0 != esk3_0,
    inference(split_conjunct,[status(thm)],[23]) ).

cnf(25,negated_conjecture,
    in(esk3_0,esk4_0),
    inference(split_conjunct,[status(thm)],[23]) ).

cnf(26,negated_conjecture,
    set_intersection2(unordered_pair(esk2_0,esk3_0),esk4_0) = singleton(esk2_0),
    inference(split_conjunct,[status(thm)],[23]) ).

fof(27,plain,
    ! [X3,X4] : unordered_pair(X3,X4) = unordered_pair(X4,X3),
    inference(variable_rename,[status(thm)],[5]) ).

cnf(28,plain,
    unordered_pair(X1,X2) = unordered_pair(X2,X1),
    inference(split_conjunct,[status(thm)],[27]) ).

fof(29,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)],[6]) ).

fof(30,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)],[29]) ).

fof(31,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)],[30]) ).

fof(32,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)],[31]) ).

fof(33,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)],[32]) ).

cnf(37,plain,
    ( X3 = X2
    | X1 != singleton(X2)
    | ~ in(X3,X1) ),
    inference(split_conjunct,[status(thm)],[33]) ).

fof(41,plain,
    ! [X1,X2,X3] :
      ( ( X3 != set_intersection2(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_intersection2(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[8]) ).

fof(42,plain,
    ! [X5,X6,X7] :
      ( ( X7 != set_intersection2(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_intersection2(X5,X6) ) ),
    inference(variable_rename,[status(thm)],[41]) ).

fof(43,plain,
    ! [X5,X6,X7] :
      ( ( X7 != set_intersection2(X5,X6)
        | ! [X8] :
            ( ( ~ in(X8,X7)
              | ( in(X8,X5)
                & in(X8,X6) ) )
            & ( ~ in(X8,X5)
              | ~ in(X8,X6)
              | in(X8,X7) ) ) )
      & ( ( ( ~ in(esk7_3(X5,X6,X7),X7)
            | ~ in(esk7_3(X5,X6,X7),X5)
            | ~ in(esk7_3(X5,X6,X7),X6) )
          & ( in(esk7_3(X5,X6,X7),X7)
            | ( in(esk7_3(X5,X6,X7),X5)
              & in(esk7_3(X5,X6,X7),X6) ) ) )
        | X7 = set_intersection2(X5,X6) ) ),
    inference(skolemize,[status(esa)],[42]) ).

fof(44,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_intersection2(X5,X6) )
      & ( ( ( ~ in(esk7_3(X5,X6,X7),X7)
            | ~ in(esk7_3(X5,X6,X7),X5)
            | ~ in(esk7_3(X5,X6,X7),X6) )
          & ( in(esk7_3(X5,X6,X7),X7)
            | ( in(esk7_3(X5,X6,X7),X5)
              & in(esk7_3(X5,X6,X7),X6) ) ) )
        | X7 = set_intersection2(X5,X6) ) ),
    inference(shift_quantors,[status(thm)],[43]) ).

fof(45,plain,
    ! [X5,X6,X7,X8] :
      ( ( in(X8,X5)
        | ~ in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( in(X8,X6)
        | ~ in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( ~ in(X8,X5)
        | ~ in(X8,X6)
        | in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( ~ in(esk7_3(X5,X6,X7),X7)
        | ~ in(esk7_3(X5,X6,X7),X5)
        | ~ in(esk7_3(X5,X6,X7),X6)
        | X7 = set_intersection2(X5,X6) )
      & ( in(esk7_3(X5,X6,X7),X5)
        | in(esk7_3(X5,X6,X7),X7)
        | X7 = set_intersection2(X5,X6) )
      & ( in(esk7_3(X5,X6,X7),X6)
        | in(esk7_3(X5,X6,X7),X7)
        | X7 = set_intersection2(X5,X6) ) ),
    inference(distribute,[status(thm)],[44]) ).

cnf(49,plain,
    ( in(X4,X1)
    | X1 != set_intersection2(X2,X3)
    | ~ in(X4,X3)
    | ~ in(X4,X2) ),
    inference(split_conjunct,[status(thm)],[45]) ).

fof(55,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)],[10]) ).

fof(56,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)],[55]) ).

fof(57,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)],[56]) ).

fof(58,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)],[57]) ).

fof(59,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)],[58]) ).

cnf(63,plain,
    ( in(X4,X1)
    | X1 != unordered_pair(X2,X3)
    | X4 != X3 ),
    inference(split_conjunct,[status(thm)],[59]) ).

cnf(68,negated_conjecture,
    set_intersection2(esk4_0,unordered_pair(esk2_0,esk3_0)) = singleton(esk2_0),
    inference(rw,[status(thm)],[26,15,theory(equality)]) ).

cnf(74,plain,
    ( in(X1,X2)
    | unordered_pair(X3,X1) != X2 ),
    inference(er,[status(thm)],[63,theory(equality)]) ).

cnf(117,negated_conjecture,
    set_intersection2(esk4_0,unordered_pair(esk3_0,esk2_0)) = singleton(esk2_0),
    inference(rw,[status(thm)],[68,28,theory(equality)]) ).

cnf(120,negated_conjecture,
    ( in(X1,X2)
    | singleton(esk2_0) != X2
    | ~ in(X1,unordered_pair(esk3_0,esk2_0))
    | ~ in(X1,esk4_0) ),
    inference(spm,[status(thm)],[49,117,theory(equality)]) ).

cnf(125,plain,
    in(X1,unordered_pair(X2,X1)),
    inference(er,[status(thm)],[74,theory(equality)]) ).

cnf(128,plain,
    in(X1,unordered_pair(X1,X2)),
    inference(spm,[status(thm)],[125,28,theory(equality)]) ).

cnf(259,negated_conjecture,
    ( in(esk3_0,X1)
    | singleton(esk2_0) != X1
    | ~ in(esk3_0,esk4_0) ),
    inference(spm,[status(thm)],[120,128,theory(equality)]) ).

cnf(270,negated_conjecture,
    ( in(esk3_0,X1)
    | singleton(esk2_0) != X1
    | $false ),
    inference(rw,[status(thm)],[259,25,theory(equality)]) ).

cnf(271,negated_conjecture,
    ( in(esk3_0,X1)
    | singleton(esk2_0) != X1 ),
    inference(cn,[status(thm)],[270,theory(equality)]) ).

cnf(272,negated_conjecture,
    in(esk3_0,singleton(esk2_0)),
    inference(er,[status(thm)],[271,theory(equality)]) ).

cnf(274,negated_conjecture,
    ( X1 = esk3_0
    | singleton(X1) != singleton(esk2_0) ),
    inference(spm,[status(thm)],[37,272,theory(equality)]) ).

cnf(279,negated_conjecture,
    esk2_0 = esk3_0,
    inference(er,[status(thm)],[274,theory(equality)]) ).

cnf(280,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[279,24,theory(equality)]) ).

cnf(281,negated_conjecture,
    $false,
    280,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET918+1.p
% --creating new selector for []
% -running prover on /tmp/tmpwTbgwo/sel_SET918+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET918+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET918+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET918+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
% 
%------------------------------------------------------------------------------