TSTP Solution File: SET646+3 by SInE---0.4

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%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET646+3 : TPTP v5.0.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : Source/sine.py -e eprover -t %d %s

% Computer : art04.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 03:07:16 EST 2010

% Result   : Theorem 0.25s
% Output   : CNFRefutation 0.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   22
%            Number of leaves      :    9
% Syntax   : Number of formulae    :  100 (   9 unt;   0 def)
%            Number of atoms       :  596 (  50 equ)
%            Maximal formula atoms :   31 (   5 avg)
%            Number of connectives :  809 ( 313   ~; 362   |;  89   &)
%                                         (   9 <=>;  36  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   7 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;   5 con; 0-3 aty)
%            Number of variables   :  257 (   8 sgn 128   !;  14   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(1,axiom,
    ! [X1] : ilf_type(X1,set_type),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p25) ).

fof(3,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ( empty(X1)
      <=> ! [X2] :
            ( ilf_type(X2,set_type)
           => ~ member(X2,X1) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p21) ).

fof(7,conjecture,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ! [X3] :
              ( ilf_type(X3,set_type)
             => ! [X4] :
                  ( ilf_type(X4,set_type)
                 => ( ( member(X3,X1)
                      & member(X4,X2) )
                   => ilf_type(singleton(ordered_pair(X3,X4)),relation_type(X1,X2)) ) ) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',prove_relset_1_8) ).

fof(10,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( ilf_type(X2,subset_type(X1))
          <=> ilf_type(X2,member_type(power_set(X1))) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p12) ).

fof(15,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( member(X1,power_set(X2))
          <=> ! [X3] :
                ( ilf_type(X3,set_type)
               => ( member(X3,X1)
                 => member(X3,X2) ) ) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p17) ).

fof(17,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ( ~ empty(X2)
            & ilf_type(X2,set_type) )
         => ( ilf_type(X1,member_type(X2))
          <=> member(X1,X2) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p19) ).

fof(18,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ! [X3] :
              ( ilf_type(X3,set_type)
             => ! [X4] :
                  ( ilf_type(X4,set_type)
                 => ( member(ordered_pair(X1,X2),cross_product(X3,X4))
                  <=> ( member(X1,X3)
                      & member(X2,X4) ) ) ) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p2) ).

fof(19,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( ! [X3] :
                ( ilf_type(X3,subset_type(cross_product(X1,X2)))
               => ilf_type(X3,relation_type(X1,X2)) )
            & ! [X4] :
                ( ilf_type(X4,relation_type(X1,X2))
               => ilf_type(X4,subset_type(cross_product(X1,X2))) ) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p3) ).

fof(24,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ! [X3] :
              ( ilf_type(X3,set_type)
             => ( X3 = singleton(X2)
              <=> ! [X4] :
                    ( ilf_type(X4,set_type)
                   => ( member(X4,X3)
                    <=> X4 = X2 ) ) ) ) ) ),
    file('/tmp/tmpg5mXFL/sel_SET646+3.p_1',p5) ).

fof(27,negated_conjecture,
    ~ ! [X1] :
        ( ilf_type(X1,set_type)
       => ! [X2] :
            ( ilf_type(X2,set_type)
           => ! [X3] :
                ( ilf_type(X3,set_type)
               => ! [X4] :
                    ( ilf_type(X4,set_type)
                   => ( ( member(X3,X1)
                        & member(X4,X2) )
                     => ilf_type(singleton(ordered_pair(X3,X4)),relation_type(X1,X2)) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[7]) ).

fof(28,plain,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ( empty(X1)
      <=> ! [X2] :
            ( ilf_type(X2,set_type)
           => ~ member(X2,X1) ) ) ),
    inference(fof_simplification,[status(thm)],[3,theory(equality)]) ).

fof(31,plain,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ( ~ empty(X2)
            & ilf_type(X2,set_type) )
         => ( ilf_type(X1,member_type(X2))
          <=> member(X1,X2) ) ) ),
    inference(fof_simplification,[status(thm)],[17,theory(equality)]) ).

fof(32,plain,
    ! [X2] : ilf_type(X2,set_type),
    inference(variable_rename,[status(thm)],[1]) ).

cnf(33,plain,
    ilf_type(X1,set_type),
    inference(split_conjunct,[status(thm)],[32]) ).

fof(38,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ( ( ~ empty(X1)
          | ! [X2] :
              ( ~ ilf_type(X2,set_type)
              | ~ member(X2,X1) ) )
        & ( ? [X2] :
              ( ilf_type(X2,set_type)
              & member(X2,X1) )
          | empty(X1) ) ) ),
    inference(fof_nnf,[status(thm)],[28]) ).

fof(39,plain,
    ! [X3] :
      ( ~ ilf_type(X3,set_type)
      | ( ( ~ empty(X3)
          | ! [X4] :
              ( ~ ilf_type(X4,set_type)
              | ~ member(X4,X3) ) )
        & ( ? [X5] :
              ( ilf_type(X5,set_type)
              & member(X5,X3) )
          | empty(X3) ) ) ),
    inference(variable_rename,[status(thm)],[38]) ).

fof(40,plain,
    ! [X3] :
      ( ~ ilf_type(X3,set_type)
      | ( ( ~ empty(X3)
          | ! [X4] :
              ( ~ ilf_type(X4,set_type)
              | ~ member(X4,X3) ) )
        & ( ( ilf_type(esk1_1(X3),set_type)
            & member(esk1_1(X3),X3) )
          | empty(X3) ) ) ),
    inference(skolemize,[status(esa)],[39]) ).

fof(41,plain,
    ! [X3,X4] :
      ( ( ( ~ ilf_type(X4,set_type)
          | ~ member(X4,X3)
          | ~ empty(X3) )
        & ( ( ilf_type(esk1_1(X3),set_type)
            & member(esk1_1(X3),X3) )
          | empty(X3) ) )
      | ~ ilf_type(X3,set_type) ),
    inference(shift_quantors,[status(thm)],[40]) ).

fof(42,plain,
    ! [X3,X4] :
      ( ( ~ ilf_type(X4,set_type)
        | ~ member(X4,X3)
        | ~ empty(X3)
        | ~ ilf_type(X3,set_type) )
      & ( ilf_type(esk1_1(X3),set_type)
        | empty(X3)
        | ~ ilf_type(X3,set_type) )
      & ( member(esk1_1(X3),X3)
        | empty(X3)
        | ~ ilf_type(X3,set_type) ) ),
    inference(distribute,[status(thm)],[41]) ).

cnf(45,plain,
    ( ~ ilf_type(X1,set_type)
    | ~ empty(X1)
    | ~ member(X2,X1)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[42]) ).

fof(64,negated_conjecture,
    ? [X1] :
      ( ilf_type(X1,set_type)
      & ? [X2] :
          ( ilf_type(X2,set_type)
          & ? [X3] :
              ( ilf_type(X3,set_type)
              & ? [X4] :
                  ( ilf_type(X4,set_type)
                  & member(X3,X1)
                  & member(X4,X2)
                  & ~ ilf_type(singleton(ordered_pair(X3,X4)),relation_type(X1,X2)) ) ) ) ),
    inference(fof_nnf,[status(thm)],[27]) ).

fof(65,negated_conjecture,
    ? [X5] :
      ( ilf_type(X5,set_type)
      & ? [X6] :
          ( ilf_type(X6,set_type)
          & ? [X7] :
              ( ilf_type(X7,set_type)
              & ? [X8] :
                  ( ilf_type(X8,set_type)
                  & member(X7,X5)
                  & member(X8,X6)
                  & ~ ilf_type(singleton(ordered_pair(X7,X8)),relation_type(X5,X6)) ) ) ) ),
    inference(variable_rename,[status(thm)],[64]) ).

fof(66,negated_conjecture,
    ( ilf_type(esk6_0,set_type)
    & ilf_type(esk7_0,set_type)
    & ilf_type(esk8_0,set_type)
    & ilf_type(esk9_0,set_type)
    & member(esk8_0,esk6_0)
    & member(esk9_0,esk7_0)
    & ~ ilf_type(singleton(ordered_pair(esk8_0,esk9_0)),relation_type(esk6_0,esk7_0)) ),
    inference(skolemize,[status(esa)],[65]) ).

cnf(67,negated_conjecture,
    ~ ilf_type(singleton(ordered_pair(esk8_0,esk9_0)),relation_type(esk6_0,esk7_0)),
    inference(split_conjunct,[status(thm)],[66]) ).

cnf(68,negated_conjecture,
    member(esk9_0,esk7_0),
    inference(split_conjunct,[status(thm)],[66]) ).

cnf(69,negated_conjecture,
    member(esk8_0,esk6_0),
    inference(split_conjunct,[status(thm)],[66]) ).

fof(82,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ( ( ~ ilf_type(X2,subset_type(X1))
              | ilf_type(X2,member_type(power_set(X1))) )
            & ( ~ ilf_type(X2,member_type(power_set(X1)))
              | ilf_type(X2,subset_type(X1)) ) ) ) ),
    inference(fof_nnf,[status(thm)],[10]) ).

fof(83,plain,
    ! [X3] :
      ( ~ ilf_type(X3,set_type)
      | ! [X4] :
          ( ~ ilf_type(X4,set_type)
          | ( ( ~ ilf_type(X4,subset_type(X3))
              | ilf_type(X4,member_type(power_set(X3))) )
            & ( ~ ilf_type(X4,member_type(power_set(X3)))
              | ilf_type(X4,subset_type(X3)) ) ) ) ),
    inference(variable_rename,[status(thm)],[82]) ).

fof(84,plain,
    ! [X3,X4] :
      ( ~ ilf_type(X4,set_type)
      | ( ( ~ ilf_type(X4,subset_type(X3))
          | ilf_type(X4,member_type(power_set(X3))) )
        & ( ~ ilf_type(X4,member_type(power_set(X3)))
          | ilf_type(X4,subset_type(X3)) ) )
      | ~ ilf_type(X3,set_type) ),
    inference(shift_quantors,[status(thm)],[83]) ).

fof(85,plain,
    ! [X3,X4] :
      ( ( ~ ilf_type(X4,subset_type(X3))
        | ilf_type(X4,member_type(power_set(X3)))
        | ~ ilf_type(X4,set_type)
        | ~ ilf_type(X3,set_type) )
      & ( ~ ilf_type(X4,member_type(power_set(X3)))
        | ilf_type(X4,subset_type(X3))
        | ~ ilf_type(X4,set_type)
        | ~ ilf_type(X3,set_type) ) ),
    inference(distribute,[status(thm)],[84]) ).

cnf(86,plain,
    ( ilf_type(X2,subset_type(X1))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X2,member_type(power_set(X1))) ),
    inference(split_conjunct,[status(thm)],[85]) ).

fof(114,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ( ( ~ member(X1,power_set(X2))
              | ! [X3] :
                  ( ~ ilf_type(X3,set_type)
                  | ~ member(X3,X1)
                  | member(X3,X2) ) )
            & ( ? [X3] :
                  ( ilf_type(X3,set_type)
                  & member(X3,X1)
                  & ~ member(X3,X2) )
              | member(X1,power_set(X2)) ) ) ) ),
    inference(fof_nnf,[status(thm)],[15]) ).

fof(115,plain,
    ! [X4] :
      ( ~ ilf_type(X4,set_type)
      | ! [X5] :
          ( ~ ilf_type(X5,set_type)
          | ( ( ~ member(X4,power_set(X5))
              | ! [X6] :
                  ( ~ ilf_type(X6,set_type)
                  | ~ member(X6,X4)
                  | member(X6,X5) ) )
            & ( ? [X7] :
                  ( ilf_type(X7,set_type)
                  & member(X7,X4)
                  & ~ member(X7,X5) )
              | member(X4,power_set(X5)) ) ) ) ),
    inference(variable_rename,[status(thm)],[114]) ).

fof(116,plain,
    ! [X4] :
      ( ~ ilf_type(X4,set_type)
      | ! [X5] :
          ( ~ ilf_type(X5,set_type)
          | ( ( ~ member(X4,power_set(X5))
              | ! [X6] :
                  ( ~ ilf_type(X6,set_type)
                  | ~ member(X6,X4)
                  | member(X6,X5) ) )
            & ( ( ilf_type(esk13_2(X4,X5),set_type)
                & member(esk13_2(X4,X5),X4)
                & ~ member(esk13_2(X4,X5),X5) )
              | member(X4,power_set(X5)) ) ) ) ),
    inference(skolemize,[status(esa)],[115]) ).

fof(117,plain,
    ! [X4,X5,X6] :
      ( ( ( ~ ilf_type(X6,set_type)
          | ~ member(X6,X4)
          | member(X6,X5)
          | ~ member(X4,power_set(X5)) )
        & ( ( ilf_type(esk13_2(X4,X5),set_type)
            & member(esk13_2(X4,X5),X4)
            & ~ member(esk13_2(X4,X5),X5) )
          | member(X4,power_set(X5)) ) )
      | ~ ilf_type(X5,set_type)
      | ~ ilf_type(X4,set_type) ),
    inference(shift_quantors,[status(thm)],[116]) ).

fof(118,plain,
    ! [X4,X5,X6] :
      ( ( ~ ilf_type(X6,set_type)
        | ~ member(X6,X4)
        | member(X6,X5)
        | ~ member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( ilf_type(esk13_2(X4,X5),set_type)
        | member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( member(esk13_2(X4,X5),X4)
        | member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( ~ member(esk13_2(X4,X5),X5)
        | member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) ) ),
    inference(distribute,[status(thm)],[117]) ).

cnf(119,plain,
    ( member(X1,power_set(X2))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ member(esk13_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[118]) ).

cnf(120,plain,
    ( member(X1,power_set(X2))
    | member(esk13_2(X1,X2),X1)
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[118]) ).

fof(128,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( empty(X2)
          | ~ ilf_type(X2,set_type)
          | ( ( ~ ilf_type(X1,member_type(X2))
              | member(X1,X2) )
            & ( ~ member(X1,X2)
              | ilf_type(X1,member_type(X2)) ) ) ) ),
    inference(fof_nnf,[status(thm)],[31]) ).

fof(129,plain,
    ! [X3] :
      ( ~ ilf_type(X3,set_type)
      | ! [X4] :
          ( empty(X4)
          | ~ ilf_type(X4,set_type)
          | ( ( ~ ilf_type(X3,member_type(X4))
              | member(X3,X4) )
            & ( ~ member(X3,X4)
              | ilf_type(X3,member_type(X4)) ) ) ) ),
    inference(variable_rename,[status(thm)],[128]) ).

fof(130,plain,
    ! [X3,X4] :
      ( empty(X4)
      | ~ ilf_type(X4,set_type)
      | ( ( ~ ilf_type(X3,member_type(X4))
          | member(X3,X4) )
        & ( ~ member(X3,X4)
          | ilf_type(X3,member_type(X4)) ) )
      | ~ ilf_type(X3,set_type) ),
    inference(shift_quantors,[status(thm)],[129]) ).

fof(131,plain,
    ! [X3,X4] :
      ( ( ~ ilf_type(X3,member_type(X4))
        | member(X3,X4)
        | empty(X4)
        | ~ ilf_type(X4,set_type)
        | ~ ilf_type(X3,set_type) )
      & ( ~ member(X3,X4)
        | ilf_type(X3,member_type(X4))
        | empty(X4)
        | ~ ilf_type(X4,set_type)
        | ~ ilf_type(X3,set_type) ) ),
    inference(distribute,[status(thm)],[130]) ).

cnf(132,plain,
    ( empty(X2)
    | ilf_type(X1,member_type(X2))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[131]) ).

fof(134,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ! [X3] :
              ( ~ ilf_type(X3,set_type)
              | ! [X4] :
                  ( ~ ilf_type(X4,set_type)
                  | ( ( ~ member(ordered_pair(X1,X2),cross_product(X3,X4))
                      | ( member(X1,X3)
                        & member(X2,X4) ) )
                    & ( ~ member(X1,X3)
                      | ~ member(X2,X4)
                      | member(ordered_pair(X1,X2),cross_product(X3,X4)) ) ) ) ) ) ),
    inference(fof_nnf,[status(thm)],[18]) ).

fof(135,plain,
    ! [X5] :
      ( ~ ilf_type(X5,set_type)
      | ! [X6] :
          ( ~ ilf_type(X6,set_type)
          | ! [X7] :
              ( ~ ilf_type(X7,set_type)
              | ! [X8] :
                  ( ~ ilf_type(X8,set_type)
                  | ( ( ~ member(ordered_pair(X5,X6),cross_product(X7,X8))
                      | ( member(X5,X7)
                        & member(X6,X8) ) )
                    & ( ~ member(X5,X7)
                      | ~ member(X6,X8)
                      | member(ordered_pair(X5,X6),cross_product(X7,X8)) ) ) ) ) ) ),
    inference(variable_rename,[status(thm)],[134]) ).

fof(136,plain,
    ! [X5,X6,X7,X8] :
      ( ~ ilf_type(X8,set_type)
      | ( ( ~ member(ordered_pair(X5,X6),cross_product(X7,X8))
          | ( member(X5,X7)
            & member(X6,X8) ) )
        & ( ~ member(X5,X7)
          | ~ member(X6,X8)
          | member(ordered_pair(X5,X6),cross_product(X7,X8)) ) )
      | ~ ilf_type(X7,set_type)
      | ~ ilf_type(X6,set_type)
      | ~ ilf_type(X5,set_type) ),
    inference(shift_quantors,[status(thm)],[135]) ).

fof(137,plain,
    ! [X5,X6,X7,X8] :
      ( ( member(X5,X7)
        | ~ member(ordered_pair(X5,X6),cross_product(X7,X8))
        | ~ ilf_type(X8,set_type)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( member(X6,X8)
        | ~ member(ordered_pair(X5,X6),cross_product(X7,X8))
        | ~ ilf_type(X8,set_type)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( ~ member(X5,X7)
        | ~ member(X6,X8)
        | member(ordered_pair(X5,X6),cross_product(X7,X8))
        | ~ ilf_type(X8,set_type)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) ) ),
    inference(distribute,[status(thm)],[136]) ).

cnf(138,plain,
    ( member(ordered_pair(X1,X2),cross_product(X3,X4))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X3,set_type)
    | ~ ilf_type(X4,set_type)
    | ~ member(X2,X4)
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[137]) ).

fof(141,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ( ! [X3] :
                ( ~ ilf_type(X3,subset_type(cross_product(X1,X2)))
                | ilf_type(X3,relation_type(X1,X2)) )
            & ! [X4] :
                ( ~ ilf_type(X4,relation_type(X1,X2))
                | ilf_type(X4,subset_type(cross_product(X1,X2))) ) ) ) ),
    inference(fof_nnf,[status(thm)],[19]) ).

fof(142,plain,
    ! [X5] :
      ( ~ ilf_type(X5,set_type)
      | ! [X6] :
          ( ~ ilf_type(X6,set_type)
          | ( ! [X7] :
                ( ~ ilf_type(X7,subset_type(cross_product(X5,X6)))
                | ilf_type(X7,relation_type(X5,X6)) )
            & ! [X8] :
                ( ~ ilf_type(X8,relation_type(X5,X6))
                | ilf_type(X8,subset_type(cross_product(X5,X6))) ) ) ) ),
    inference(variable_rename,[status(thm)],[141]) ).

fof(143,plain,
    ! [X5,X6,X7,X8] :
      ( ( ( ~ ilf_type(X8,relation_type(X5,X6))
          | ilf_type(X8,subset_type(cross_product(X5,X6))) )
        & ( ~ ilf_type(X7,subset_type(cross_product(X5,X6)))
          | ilf_type(X7,relation_type(X5,X6)) ) )
      | ~ ilf_type(X6,set_type)
      | ~ ilf_type(X5,set_type) ),
    inference(shift_quantors,[status(thm)],[142]) ).

fof(144,plain,
    ! [X5,X6,X7,X8] :
      ( ( ~ ilf_type(X8,relation_type(X5,X6))
        | ilf_type(X8,subset_type(cross_product(X5,X6)))
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( ~ ilf_type(X7,subset_type(cross_product(X5,X6)))
        | ilf_type(X7,relation_type(X5,X6))
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) ) ),
    inference(distribute,[status(thm)],[143]) ).

cnf(145,plain,
    ( ilf_type(X3,relation_type(X1,X2))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X3,subset_type(cross_product(X1,X2))) ),
    inference(split_conjunct,[status(thm)],[144]) ).

fof(167,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ! [X3] :
              ( ~ ilf_type(X3,set_type)
              | ( ( X3 != singleton(X2)
                  | ! [X4] :
                      ( ~ ilf_type(X4,set_type)
                      | ( ( ~ member(X4,X3)
                          | X4 = X2 )
                        & ( X4 != X2
                          | member(X4,X3) ) ) ) )
                & ( ? [X4] :
                      ( ilf_type(X4,set_type)
                      & ( ~ member(X4,X3)
                        | X4 != X2 )
                      & ( member(X4,X3)
                        | X4 = X2 ) )
                  | X3 = singleton(X2) ) ) ) ) ),
    inference(fof_nnf,[status(thm)],[24]) ).

fof(168,plain,
    ! [X5] :
      ( ~ ilf_type(X5,set_type)
      | ! [X6] :
          ( ~ ilf_type(X6,set_type)
          | ! [X7] :
              ( ~ ilf_type(X7,set_type)
              | ( ( X7 != singleton(X6)
                  | ! [X8] :
                      ( ~ ilf_type(X8,set_type)
                      | ( ( ~ member(X8,X7)
                          | X8 = X6 )
                        & ( X8 != X6
                          | member(X8,X7) ) ) ) )
                & ( ? [X9] :
                      ( ilf_type(X9,set_type)
                      & ( ~ member(X9,X7)
                        | X9 != X6 )
                      & ( member(X9,X7)
                        | X9 = X6 ) )
                  | X7 = singleton(X6) ) ) ) ) ),
    inference(variable_rename,[status(thm)],[167]) ).

fof(169,plain,
    ! [X5] :
      ( ~ ilf_type(X5,set_type)
      | ! [X6] :
          ( ~ ilf_type(X6,set_type)
          | ! [X7] :
              ( ~ ilf_type(X7,set_type)
              | ( ( X7 != singleton(X6)
                  | ! [X8] :
                      ( ~ ilf_type(X8,set_type)
                      | ( ( ~ member(X8,X7)
                          | X8 = X6 )
                        & ( X8 != X6
                          | member(X8,X7) ) ) ) )
                & ( ( ilf_type(esk15_3(X5,X6,X7),set_type)
                    & ( ~ member(esk15_3(X5,X6,X7),X7)
                      | esk15_3(X5,X6,X7) != X6 )
                    & ( member(esk15_3(X5,X6,X7),X7)
                      | esk15_3(X5,X6,X7) = X6 ) )
                  | X7 = singleton(X6) ) ) ) ) ),
    inference(skolemize,[status(esa)],[168]) ).

fof(170,plain,
    ! [X5,X6,X7,X8] :
      ( ( ( ~ ilf_type(X8,set_type)
          | ( ( ~ member(X8,X7)
              | X8 = X6 )
            & ( X8 != X6
              | member(X8,X7) ) )
          | X7 != singleton(X6) )
        & ( ( ilf_type(esk15_3(X5,X6,X7),set_type)
            & ( ~ member(esk15_3(X5,X6,X7),X7)
              | esk15_3(X5,X6,X7) != X6 )
            & ( member(esk15_3(X5,X6,X7),X7)
              | esk15_3(X5,X6,X7) = X6 ) )
          | X7 = singleton(X6) ) )
      | ~ ilf_type(X7,set_type)
      | ~ ilf_type(X6,set_type)
      | ~ ilf_type(X5,set_type) ),
    inference(shift_quantors,[status(thm)],[169]) ).

fof(171,plain,
    ! [X5,X6,X7,X8] :
      ( ( ~ member(X8,X7)
        | X8 = X6
        | ~ ilf_type(X8,set_type)
        | X7 != singleton(X6)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( X8 != X6
        | member(X8,X7)
        | ~ ilf_type(X8,set_type)
        | X7 != singleton(X6)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( ilf_type(esk15_3(X5,X6,X7),set_type)
        | X7 = singleton(X6)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( ~ member(esk15_3(X5,X6,X7),X7)
        | esk15_3(X5,X6,X7) != X6
        | X7 = singleton(X6)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) )
      & ( member(esk15_3(X5,X6,X7),X7)
        | esk15_3(X5,X6,X7) = X6
        | X7 = singleton(X6)
        | ~ ilf_type(X7,set_type)
        | ~ ilf_type(X6,set_type)
        | ~ ilf_type(X5,set_type) ) ),
    inference(distribute,[status(thm)],[170]) ).

cnf(176,plain,
    ( X4 = X2
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X3,set_type)
    | X3 != singleton(X2)
    | ~ ilf_type(X4,set_type)
    | ~ member(X4,X3) ),
    inference(split_conjunct,[status(thm)],[171]) ).

cnf(208,plain,
    ( ~ empty(X1)
    | ~ member(X2,X1)
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[45,33,theory(equality)]) ).

cnf(209,plain,
    ( ~ empty(X1)
    | ~ member(X2,X1)
    | $false
    | $false ),
    inference(rw,[status(thm)],[208,33,theory(equality)]) ).

cnf(210,plain,
    ( ~ empty(X1)
    | ~ member(X2,X1) ),
    inference(cn,[status(thm)],[209,theory(equality)]) ).

cnf(263,plain,
    ( ilf_type(X2,subset_type(X1))
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,member_type(power_set(X1))) ),
    inference(rw,[status(thm)],[86,33,theory(equality)]) ).

cnf(264,plain,
    ( ilf_type(X2,subset_type(X1))
    | $false
    | $false
    | ~ ilf_type(X2,member_type(power_set(X1))) ),
    inference(rw,[status(thm)],[263,33,theory(equality)]) ).

cnf(265,plain,
    ( ilf_type(X2,subset_type(X1))
    | ~ ilf_type(X2,member_type(power_set(X1))) ),
    inference(cn,[status(thm)],[264,theory(equality)]) ).

cnf(268,plain,
    ( member(X1,power_set(X2))
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ member(esk13_2(X1,X2),X2) ),
    inference(rw,[status(thm)],[119,33,theory(equality)]) ).

cnf(269,plain,
    ( member(X1,power_set(X2))
    | $false
    | $false
    | ~ member(esk13_2(X1,X2),X2) ),
    inference(rw,[status(thm)],[268,33,theory(equality)]) ).

cnf(270,plain,
    ( member(X1,power_set(X2))
    | ~ member(esk13_2(X1,X2),X2) ),
    inference(cn,[status(thm)],[269,theory(equality)]) ).

cnf(303,plain,
    ( member(X1,power_set(X2))
    | member(esk13_2(X1,X2),X1)
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[120,33,theory(equality)]) ).

cnf(304,plain,
    ( member(X1,power_set(X2))
    | member(esk13_2(X1,X2),X1)
    | $false
    | $false ),
    inference(rw,[status(thm)],[303,33,theory(equality)]) ).

cnf(305,plain,
    ( member(X1,power_set(X2))
    | member(esk13_2(X1,X2),X1) ),
    inference(cn,[status(thm)],[304,theory(equality)]) ).

cnf(308,plain,
    ( empty(X2)
    | ilf_type(X1,member_type(X2))
    | ~ member(X1,X2)
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[132,33,theory(equality)]) ).

cnf(309,plain,
    ( empty(X2)
    | ilf_type(X1,member_type(X2))
    | ~ member(X1,X2)
    | $false
    | $false ),
    inference(rw,[status(thm)],[308,33,theory(equality)]) ).

cnf(310,plain,
    ( empty(X2)
    | ilf_type(X1,member_type(X2))
    | ~ member(X1,X2) ),
    inference(cn,[status(thm)],[309,theory(equality)]) ).

cnf(311,plain,
    ( ilf_type(X1,member_type(X2))
    | ~ member(X1,X2) ),
    inference(csr,[status(thm)],[310,210]) ).

cnf(312,plain,
    ( ilf_type(X1,subset_type(X2))
    | ~ member(X1,power_set(X2)) ),
    inference(spm,[status(thm)],[265,311,theory(equality)]) ).

cnf(314,plain,
    ( X2 = X4
    | singleton(X2) != X3
    | ~ member(X4,X3)
    | $false
    | ~ ilf_type(X3,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[176,33,theory(equality)]) ).

cnf(315,plain,
    ( X2 = X4
    | singleton(X2) != X3
    | ~ member(X4,X3)
    | $false
    | $false
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[314,33,theory(equality)]) ).

cnf(316,plain,
    ( X2 = X4
    | singleton(X2) != X3
    | ~ member(X4,X3)
    | $false
    | $false
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[315,33,theory(equality)]) ).

cnf(317,plain,
    ( X2 = X4
    | singleton(X2) != X3
    | ~ member(X4,X3)
    | $false
    | $false
    | $false
    | $false ),
    inference(rw,[status(thm)],[316,33,theory(equality)]) ).

cnf(318,plain,
    ( X2 = X4
    | singleton(X2) != X3
    | ~ member(X4,X3) ),
    inference(cn,[status(thm)],[317,theory(equality)]) ).

cnf(324,plain,
    ( X1 = esk13_2(X2,X3)
    | member(X2,power_set(X3))
    | singleton(X1) != X2 ),
    inference(spm,[status(thm)],[318,305,theory(equality)]) ).

cnf(346,plain,
    ( ilf_type(X3,relation_type(X1,X2))
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X3,subset_type(cross_product(X1,X2))) ),
    inference(rw,[status(thm)],[145,33,theory(equality)]) ).

cnf(347,plain,
    ( ilf_type(X3,relation_type(X1,X2))
    | $false
    | $false
    | ~ ilf_type(X3,subset_type(cross_product(X1,X2))) ),
    inference(rw,[status(thm)],[346,33,theory(equality)]) ).

cnf(348,plain,
    ( ilf_type(X3,relation_type(X1,X2))
    | ~ ilf_type(X3,subset_type(cross_product(X1,X2))) ),
    inference(cn,[status(thm)],[347,theory(equality)]) ).

cnf(423,plain,
    ( member(ordered_pair(X1,X2),cross_product(X3,X4))
    | ~ member(X2,X4)
    | ~ member(X1,X3)
    | $false
    | ~ ilf_type(X3,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[138,33,theory(equality)]) ).

cnf(424,plain,
    ( member(ordered_pair(X1,X2),cross_product(X3,X4))
    | ~ member(X2,X4)
    | ~ member(X1,X3)
    | $false
    | $false
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[423,33,theory(equality)]) ).

cnf(425,plain,
    ( member(ordered_pair(X1,X2),cross_product(X3,X4))
    | ~ member(X2,X4)
    | ~ member(X1,X3)
    | $false
    | $false
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[424,33,theory(equality)]) ).

cnf(426,plain,
    ( member(ordered_pair(X1,X2),cross_product(X3,X4))
    | ~ member(X2,X4)
    | ~ member(X1,X3)
    | $false
    | $false
    | $false
    | $false ),
    inference(rw,[status(thm)],[425,33,theory(equality)]) ).

cnf(427,plain,
    ( member(ordered_pair(X1,X2),cross_product(X3,X4))
    | ~ member(X2,X4)
    | ~ member(X1,X3) ),
    inference(cn,[status(thm)],[426,theory(equality)]) ).

cnf(644,plain,
    ( X1 = esk13_2(singleton(X1),X2)
    | member(singleton(X1),power_set(X2)) ),
    inference(er,[status(thm)],[324,theory(equality)]) ).

cnf(647,plain,
    ( member(singleton(X1),power_set(X2))
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[270,644,theory(equality)]) ).

cnf(653,plain,
    ( ilf_type(singleton(X1),subset_type(X2))
    | ~ member(X1,X2) ),
    inference(spm,[status(thm)],[312,647,theory(equality)]) ).

cnf(656,plain,
    ( ilf_type(singleton(X1),relation_type(X2,X3))
    | ~ member(X1,cross_product(X2,X3)) ),
    inference(spm,[status(thm)],[348,653,theory(equality)]) ).

cnf(669,negated_conjecture,
    ~ member(ordered_pair(esk8_0,esk9_0),cross_product(esk6_0,esk7_0)),
    inference(spm,[status(thm)],[67,656,theory(equality)]) ).

cnf(671,negated_conjecture,
    ( ~ member(esk9_0,esk7_0)
    | ~ member(esk8_0,esk6_0) ),
    inference(spm,[status(thm)],[669,427,theory(equality)]) ).

cnf(672,negated_conjecture,
    ( $false
    | ~ member(esk8_0,esk6_0) ),
    inference(rw,[status(thm)],[671,68,theory(equality)]) ).

cnf(673,negated_conjecture,
    ( $false
    | $false ),
    inference(rw,[status(thm)],[672,69,theory(equality)]) ).

cnf(674,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[673,theory(equality)]) ).

cnf(675,negated_conjecture,
    $false,
    674,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET646+3.p
% --creating new selector for []
% -running prover on /tmp/tmpg5mXFL/sel_SET646+3.p_1 with time limit 29
% -prover status Theorem
% Problem SET646+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET646+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET646+3.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
% 
%------------------------------------------------------------------------------