TSTP Solution File: SET921+1 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET921+1 : TPTP v5.0.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art07.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 03:47:34 EST 2010

% Result   : Theorem 0.22s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   45 (   5 unt;   0 def)
%            Number of atoms       :  229 (  80 equ)
%            Maximal formula atoms :   20 (   5 avg)
%            Number of connectives :  291 ( 107   ~; 124   |;  52   &)
%                                         (   8 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   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;   3 con; 0-3 aty)
%            Number of variables   :   93 (   4 sgn  52   !;  10   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(2,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_difference(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & ~ in(X4,X2) ) ) ),
    file('/tmp/tmpLqcsHv/sel_SET921+1.p_1',d4_xboole_0) ).

fof(3,axiom,
    ! [X1,X2] :
      ( X2 = singleton(X1)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> X3 = X1 ) ),
    file('/tmp/tmpLqcsHv/sel_SET921+1.p_1',d1_tarski) ).

fof(4,conjecture,
    ! [X1,X2,X3] :
      ( in(X1,set_difference(X2,singleton(X3)))
    <=> ( in(X1,X2)
        & X1 != X3 ) ),
    file('/tmp/tmpLqcsHv/sel_SET921+1.p_1',t64_zfmisc_1) ).

fof(7,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( in(X1,set_difference(X2,singleton(X3)))
      <=> ( in(X1,X2)
          & X1 != X3 ) ),
    inference(assume_negation,[status(cth)],[4]) ).

fof(9,plain,
    ! [X1,X2,X3] :
      ( X3 = set_difference(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & ~ in(X4,X2) ) ) ),
    inference(fof_simplification,[status(thm)],[2,theory(equality)]) ).

fof(14,plain,
    ! [X1,X2,X3] :
      ( ( X3 != set_difference(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_difference(X1,X2) ) ),
    inference(fof_nnf,[status(thm)],[9]) ).

fof(15,plain,
    ! [X5,X6,X7] :
      ( ( X7 != set_difference(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_difference(X5,X6) ) ),
    inference(variable_rename,[status(thm)],[14]) ).

fof(16,plain,
    ! [X5,X6,X7] :
      ( ( X7 != set_difference(X5,X6)
        | ! [X8] :
            ( ( ~ in(X8,X7)
              | ( in(X8,X5)
                & ~ in(X8,X6) ) )
            & ( ~ in(X8,X5)
              | in(X8,X6)
              | in(X8,X7) ) ) )
      & ( ( ( ~ in(esk2_3(X5,X6,X7),X7)
            | ~ in(esk2_3(X5,X6,X7),X5)
            | in(esk2_3(X5,X6,X7),X6) )
          & ( in(esk2_3(X5,X6,X7),X7)
            | ( in(esk2_3(X5,X6,X7),X5)
              & ~ in(esk2_3(X5,X6,X7),X6) ) ) )
        | X7 = set_difference(X5,X6) ) ),
    inference(skolemize,[status(esa)],[15]) ).

fof(17,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_difference(X5,X6) )
      & ( ( ( ~ in(esk2_3(X5,X6,X7),X7)
            | ~ in(esk2_3(X5,X6,X7),X5)
            | in(esk2_3(X5,X6,X7),X6) )
          & ( in(esk2_3(X5,X6,X7),X7)
            | ( in(esk2_3(X5,X6,X7),X5)
              & ~ in(esk2_3(X5,X6,X7),X6) ) ) )
        | X7 = set_difference(X5,X6) ) ),
    inference(shift_quantors,[status(thm)],[16]) ).

fof(18,plain,
    ! [X5,X6,X7,X8] :
      ( ( in(X8,X5)
        | ~ in(X8,X7)
        | X7 != set_difference(X5,X6) )
      & ( ~ in(X8,X6)
        | ~ in(X8,X7)
        | X7 != set_difference(X5,X6) )
      & ( ~ in(X8,X5)
        | in(X8,X6)
        | in(X8,X7)
        | X7 != set_difference(X5,X6) )
      & ( ~ in(esk2_3(X5,X6,X7),X7)
        | ~ in(esk2_3(X5,X6,X7),X5)
        | in(esk2_3(X5,X6,X7),X6)
        | X7 = set_difference(X5,X6) )
      & ( in(esk2_3(X5,X6,X7),X5)
        | in(esk2_3(X5,X6,X7),X7)
        | X7 = set_difference(X5,X6) )
      & ( ~ in(esk2_3(X5,X6,X7),X6)
        | in(esk2_3(X5,X6,X7),X7)
        | X7 = set_difference(X5,X6) ) ),
    inference(distribute,[status(thm)],[17]) ).

cnf(22,plain,
    ( in(X4,X1)
    | in(X4,X3)
    | X1 != set_difference(X2,X3)
    | ~ in(X4,X2) ),
    inference(split_conjunct,[status(thm)],[18]) ).

cnf(23,plain,
    ( X1 != set_difference(X2,X3)
    | ~ in(X4,X1)
    | ~ in(X4,X3) ),
    inference(split_conjunct,[status(thm)],[18]) ).

cnf(24,plain,
    ( in(X4,X2)
    | X1 != set_difference(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[18]) ).

fof(25,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)],[3]) ).

fof(26,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)],[25]) ).

fof(27,plain,
    ! [X4,X5] :
      ( ( X5 != singleton(X4)
        | ! [X6] :
            ( ( ~ in(X6,X5)
              | X6 = X4 )
            & ( X6 != X4
              | in(X6,X5) ) ) )
      & ( ( ( ~ in(esk3_2(X4,X5),X5)
            | esk3_2(X4,X5) != X4 )
          & ( in(esk3_2(X4,X5),X5)
            | esk3_2(X4,X5) = X4 ) )
        | X5 = singleton(X4) ) ),
    inference(skolemize,[status(esa)],[26]) ).

fof(28,plain,
    ! [X4,X5,X6] :
      ( ( ( ( ~ in(X6,X5)
            | X6 = X4 )
          & ( X6 != X4
            | in(X6,X5) ) )
        | X5 != singleton(X4) )
      & ( ( ( ~ in(esk3_2(X4,X5),X5)
            | esk3_2(X4,X5) != X4 )
          & ( in(esk3_2(X4,X5),X5)
            | esk3_2(X4,X5) = X4 ) )
        | X5 = singleton(X4) ) ),
    inference(shift_quantors,[status(thm)],[27]) ).

fof(29,plain,
    ! [X4,X5,X6] :
      ( ( ~ in(X6,X5)
        | X6 = X4
        | X5 != singleton(X4) )
      & ( X6 != X4
        | in(X6,X5)
        | X5 != singleton(X4) )
      & ( ~ in(esk3_2(X4,X5),X5)
        | esk3_2(X4,X5) != X4
        | X5 = singleton(X4) )
      & ( in(esk3_2(X4,X5),X5)
        | esk3_2(X4,X5) = X4
        | X5 = singleton(X4) ) ),
    inference(distribute,[status(thm)],[28]) ).

cnf(32,plain,
    ( in(X3,X1)
    | X1 != singleton(X2)
    | X3 != X2 ),
    inference(split_conjunct,[status(thm)],[29]) ).

cnf(33,plain,
    ( X3 = X2
    | X1 != singleton(X2)
    | ~ in(X3,X1) ),
    inference(split_conjunct,[status(thm)],[29]) ).

fof(34,negated_conjecture,
    ? [X1,X2,X3] :
      ( ( ~ in(X1,set_difference(X2,singleton(X3)))
        | ~ in(X1,X2)
        | X1 = X3 )
      & ( in(X1,set_difference(X2,singleton(X3)))
        | ( in(X1,X2)
          & X1 != X3 ) ) ),
    inference(fof_nnf,[status(thm)],[7]) ).

fof(35,negated_conjecture,
    ? [X4,X5,X6] :
      ( ( ~ in(X4,set_difference(X5,singleton(X6)))
        | ~ in(X4,X5)
        | X4 = X6 )
      & ( in(X4,set_difference(X5,singleton(X6)))
        | ( in(X4,X5)
          & X4 != X6 ) ) ),
    inference(variable_rename,[status(thm)],[34]) ).

fof(36,negated_conjecture,
    ( ( ~ in(esk4_0,set_difference(esk5_0,singleton(esk6_0)))
      | ~ in(esk4_0,esk5_0)
      | esk4_0 = esk6_0 )
    & ( in(esk4_0,set_difference(esk5_0,singleton(esk6_0)))
      | ( in(esk4_0,esk5_0)
        & esk4_0 != esk6_0 ) ) ),
    inference(skolemize,[status(esa)],[35]) ).

fof(37,negated_conjecture,
    ( ( ~ in(esk4_0,set_difference(esk5_0,singleton(esk6_0)))
      | ~ in(esk4_0,esk5_0)
      | esk4_0 = esk6_0 )
    & ( in(esk4_0,esk5_0)
      | in(esk4_0,set_difference(esk5_0,singleton(esk6_0))) )
    & ( esk4_0 != esk6_0
      | in(esk4_0,set_difference(esk5_0,singleton(esk6_0))) ) ),
    inference(distribute,[status(thm)],[36]) ).

cnf(38,negated_conjecture,
    ( in(esk4_0,set_difference(esk5_0,singleton(esk6_0)))
    | esk4_0 != esk6_0 ),
    inference(split_conjunct,[status(thm)],[37]) ).

cnf(39,negated_conjecture,
    ( in(esk4_0,set_difference(esk5_0,singleton(esk6_0)))
    | in(esk4_0,esk5_0) ),
    inference(split_conjunct,[status(thm)],[37]) ).

cnf(40,negated_conjecture,
    ( esk4_0 = esk6_0
    | ~ in(esk4_0,esk5_0)
    | ~ in(esk4_0,set_difference(esk5_0,singleton(esk6_0))) ),
    inference(split_conjunct,[status(thm)],[37]) ).

cnf(47,plain,
    ( in(X1,X2)
    | singleton(X1) != X2 ),
    inference(er,[status(thm)],[32,theory(equality)]) ).

cnf(56,plain,
    ( in(X1,X2)
    | ~ in(X1,set_difference(X2,X3)) ),
    inference(er,[status(thm)],[24,theory(equality)]) ).

cnf(57,plain,
    ( ~ in(X1,X2)
    | ~ in(X1,set_difference(X3,X2)) ),
    inference(er,[status(thm)],[23,theory(equality)]) ).

cnf(58,plain,
    ( in(X1,set_difference(X2,X3))
    | in(X1,X3)
    | ~ in(X1,X2) ),
    inference(er,[status(thm)],[22,theory(equality)]) ).

cnf(69,plain,
    in(X1,singleton(X1)),
    inference(er,[status(thm)],[47,theory(equality)]) ).

cnf(70,negated_conjecture,
    ( ~ in(esk4_0,singleton(esk6_0))
    | esk6_0 != esk4_0 ),
    inference(spm,[status(thm)],[57,38,theory(equality)]) ).

cnf(79,negated_conjecture,
    in(esk4_0,esk5_0),
    inference(spm,[status(thm)],[56,39,theory(equality)]) ).

cnf(87,negated_conjecture,
    ( esk6_0 = esk4_0
    | ~ in(esk4_0,set_difference(esk5_0,singleton(esk6_0)))
    | $false ),
    inference(rw,[status(thm)],[40,79,theory(equality)]) ).

cnf(88,negated_conjecture,
    ( esk6_0 = esk4_0
    | ~ in(esk4_0,set_difference(esk5_0,singleton(esk6_0))) ),
    inference(cn,[status(thm)],[87,theory(equality)]) ).

cnf(100,negated_conjecture,
    ( esk6_0 = esk4_0
    | in(esk4_0,singleton(esk6_0))
    | ~ in(esk4_0,esk5_0) ),
    inference(spm,[status(thm)],[88,58,theory(equality)]) ).

cnf(102,negated_conjecture,
    ( esk6_0 = esk4_0
    | in(esk4_0,singleton(esk6_0))
    | $false ),
    inference(rw,[status(thm)],[100,79,theory(equality)]) ).

cnf(103,negated_conjecture,
    ( esk6_0 = esk4_0
    | in(esk4_0,singleton(esk6_0)) ),
    inference(cn,[status(thm)],[102,theory(equality)]) ).

cnf(109,negated_conjecture,
    ( X1 = esk4_0
    | esk6_0 = esk4_0
    | singleton(X1) != singleton(esk6_0) ),
    inference(spm,[status(thm)],[33,103,theory(equality)]) ).

cnf(111,negated_conjecture,
    esk6_0 = esk4_0,
    inference(er,[status(thm)],[109,theory(equality)]) ).

cnf(123,negated_conjecture,
    ( $false
    | ~ in(esk4_0,singleton(esk6_0)) ),
    inference(rw,[status(thm)],[70,111,theory(equality)]) ).

cnf(124,negated_conjecture,
    ( $false
    | $false ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[123,111,theory(equality)]),69,theory(equality)]) ).

cnf(125,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[124,theory(equality)]) ).

cnf(126,negated_conjecture,
    $false,
    125,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET921+1.p
% --creating new selector for []
% -running prover on /tmp/tmpLqcsHv/sel_SET921+1.p_1 with time limit 29
% -prover status Theorem
% Problem SET921+1.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET921+1.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET921+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
% 
%------------------------------------------------------------------------------