TSTP Solution File: SET640+3 by SInE---0.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SInE---0.4
% Problem  : SET640+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 03:06:33 EST 2010

% Result   : Theorem 1.30s
% Output   : CNFRefutation 1.30s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   93 (  12 unt;   0 def)
%            Number of atoms       :  462 (   0 equ)
%            Maximal formula atoms :   18 (   4 avg)
%            Number of connectives :  603 ( 234   ~; 264   |;  66   &)
%                                         (   5 <=>;  34  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   5 con; 0-2 aty)
%            Number of variables   :  209 (   3 sgn 105   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(3,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ! [X3] :
              ( ilf_type(X3,set_type)
             => ( ( subset(X1,X2)
                  & subset(X2,X3) )
               => subset(X1,X3) ) ) ) ),
    file('/tmp/tmpbd-HTd/sel_SET640+3.p_1',p1) ).

fof(4,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ( subset(X1,X2)
          <=> ! [X3] :
                ( ilf_type(X3,set_type)
               => ( member(X3,X1)
                 => member(X3,X2) ) ) ) ) ),
    file('/tmp/tmpbd-HTd/sel_SET640+3.p_1',p6) ).

fof(6,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/tmpbd-HTd/sel_SET640+3.p_1',p4) ).

fof(8,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/tmpbd-HTd/sel_SET640+3.p_1',p8) ).

fof(11,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/tmpbd-HTd/sel_SET640+3.p_1',p11) ).

fof(12,axiom,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ( ~ empty(power_set(X1))
        & ilf_type(power_set(X1),set_type) ) ),
    file('/tmp/tmpbd-HTd/sel_SET640+3.p_1',p12) ).

fof(13,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/tmpbd-HTd/sel_SET640+3.p_1',p13) ).

fof(19,axiom,
    ! [X1] : ilf_type(X1,set_type),
    file('/tmp/tmpbd-HTd/sel_SET640+3.p_1',p19) ).

fof(20,conjecture,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ! [X2] :
          ( ilf_type(X2,set_type)
         => ! [X3] :
              ( ilf_type(X3,set_type)
             => ! [X4] :
                  ( ilf_type(X4,relation_type(X2,X3))
                 => ( subset(X1,X4)
                   => subset(X1,cross_product(X2,X3)) ) ) ) ) ),
    file('/tmp/tmpbd-HTd/sel_SET640+3.p_1',prove_relset_1_2) ).

fof(21,negated_conjecture,
    ~ ! [X1] :
        ( ilf_type(X1,set_type)
       => ! [X2] :
            ( ilf_type(X2,set_type)
           => ! [X3] :
                ( ilf_type(X3,set_type)
               => ! [X4] :
                    ( ilf_type(X4,relation_type(X2,X3))
                   => ( subset(X1,X4)
                     => subset(X1,cross_product(X2,X3)) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[20]) ).

fof(22,plain,
    ! [X1] :
      ( ilf_type(X1,set_type)
     => ( ~ empty(power_set(X1))
        & ilf_type(power_set(X1),set_type) ) ),
    inference(fof_simplification,[status(thm)],[12,theory(equality)]) ).

fof(23,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)],[13,theory(equality)]) ).

fof(41,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ! [X3] :
              ( ~ ilf_type(X3,set_type)
              | ~ subset(X1,X2)
              | ~ subset(X2,X3)
              | subset(X1,X3) ) ) ),
    inference(fof_nnf,[status(thm)],[3]) ).

fof(42,plain,
    ! [X4] :
      ( ~ ilf_type(X4,set_type)
      | ! [X5] :
          ( ~ ilf_type(X5,set_type)
          | ! [X6] :
              ( ~ ilf_type(X6,set_type)
              | ~ subset(X4,X5)
              | ~ subset(X5,X6)
              | subset(X4,X6) ) ) ),
    inference(variable_rename,[status(thm)],[41]) ).

fof(43,plain,
    ! [X4,X5,X6] :
      ( ~ ilf_type(X6,set_type)
      | ~ subset(X4,X5)
      | ~ subset(X5,X6)
      | subset(X4,X6)
      | ~ ilf_type(X5,set_type)
      | ~ ilf_type(X4,set_type) ),
    inference(shift_quantors,[status(thm)],[42]) ).

cnf(44,plain,
    ( subset(X1,X3)
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ subset(X2,X3)
    | ~ subset(X1,X2)
    | ~ ilf_type(X3,set_type) ),
    inference(split_conjunct,[status(thm)],[43]) ).

fof(45,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ! [X2] :
          ( ~ ilf_type(X2,set_type)
          | ( ( ~ subset(X1,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) )
              | subset(X1,X2) ) ) ) ),
    inference(fof_nnf,[status(thm)],[4]) ).

fof(46,plain,
    ! [X4] :
      ( ~ ilf_type(X4,set_type)
      | ! [X5] :
          ( ~ ilf_type(X5,set_type)
          | ( ( ~ subset(X4,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) )
              | subset(X4,X5) ) ) ) ),
    inference(variable_rename,[status(thm)],[45]) ).

fof(47,plain,
    ! [X4] :
      ( ~ ilf_type(X4,set_type)
      | ! [X5] :
          ( ~ ilf_type(X5,set_type)
          | ( ( ~ subset(X4,X5)
              | ! [X6] :
                  ( ~ ilf_type(X6,set_type)
                  | ~ member(X6,X4)
                  | member(X6,X5) ) )
            & ( ( ilf_type(esk3_2(X4,X5),set_type)
                & member(esk3_2(X4,X5),X4)
                & ~ member(esk3_2(X4,X5),X5) )
              | subset(X4,X5) ) ) ) ),
    inference(skolemize,[status(esa)],[46]) ).

fof(48,plain,
    ! [X4,X5,X6] :
      ( ( ( ~ ilf_type(X6,set_type)
          | ~ member(X6,X4)
          | member(X6,X5)
          | ~ subset(X4,X5) )
        & ( ( ilf_type(esk3_2(X4,X5),set_type)
            & member(esk3_2(X4,X5),X4)
            & ~ member(esk3_2(X4,X5),X5) )
          | subset(X4,X5) ) )
      | ~ ilf_type(X5,set_type)
      | ~ ilf_type(X4,set_type) ),
    inference(shift_quantors,[status(thm)],[47]) ).

fof(49,plain,
    ! [X4,X5,X6] :
      ( ( ~ ilf_type(X6,set_type)
        | ~ member(X6,X4)
        | member(X6,X5)
        | ~ subset(X4,X5)
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( ilf_type(esk3_2(X4,X5),set_type)
        | subset(X4,X5)
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( member(esk3_2(X4,X5),X4)
        | subset(X4,X5)
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( ~ member(esk3_2(X4,X5),X5)
        | subset(X4,X5)
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) ) ),
    inference(distribute,[status(thm)],[48]) ).

cnf(50,plain,
    ( subset(X1,X2)
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[49]) ).

cnf(51,plain,
    ( subset(X1,X2)
    | member(esk3_2(X1,X2),X1)
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type) ),
    inference(split_conjunct,[status(thm)],[49]) ).

fof(58,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)],[6]) ).

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

fof(60,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)],[59]) ).

fof(61,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)],[60]) ).

cnf(63,plain,
    ( ilf_type(X3,subset_type(cross_product(X1,X2)))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X3,relation_type(X1,X2)) ),
    inference(split_conjunct,[status(thm)],[61]) ).

fof(69,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)],[8]) ).

fof(70,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)],[69]) ).

fof(71,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)],[70]) ).

fof(72,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)],[71]) ).

cnf(74,plain,
    ( ilf_type(X2,member_type(power_set(X1)))
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X2,subset_type(X1)) ),
    inference(split_conjunct,[status(thm)],[72]) ).

fof(82,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)],[11]) ).

fof(83,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)],[82]) ).

fof(84,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(esk6_2(X4,X5),set_type)
                & member(esk6_2(X4,X5),X4)
                & ~ member(esk6_2(X4,X5),X5) )
              | member(X4,power_set(X5)) ) ) ) ),
    inference(skolemize,[status(esa)],[83]) ).

fof(85,plain,
    ! [X4,X5,X6] :
      ( ( ( ~ ilf_type(X6,set_type)
          | ~ member(X6,X4)
          | member(X6,X5)
          | ~ member(X4,power_set(X5)) )
        & ( ( ilf_type(esk6_2(X4,X5),set_type)
            & member(esk6_2(X4,X5),X4)
            & ~ member(esk6_2(X4,X5),X5) )
          | member(X4,power_set(X5)) ) )
      | ~ ilf_type(X5,set_type)
      | ~ ilf_type(X4,set_type) ),
    inference(shift_quantors,[status(thm)],[84]) ).

fof(86,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(esk6_2(X4,X5),set_type)
        | member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( member(esk6_2(X4,X5),X4)
        | member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) )
      & ( ~ member(esk6_2(X4,X5),X5)
        | member(X4,power_set(X5))
        | ~ ilf_type(X5,set_type)
        | ~ ilf_type(X4,set_type) ) ),
    inference(distribute,[status(thm)],[85]) ).

cnf(90,plain,
    ( member(X3,X2)
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ member(X1,power_set(X2))
    | ~ member(X3,X1)
    | ~ ilf_type(X3,set_type) ),
    inference(split_conjunct,[status(thm)],[86]) ).

fof(91,plain,
    ! [X1] :
      ( ~ ilf_type(X1,set_type)
      | ( ~ empty(power_set(X1))
        & ilf_type(power_set(X1),set_type) ) ),
    inference(fof_nnf,[status(thm)],[22]) ).

fof(92,plain,
    ! [X2] :
      ( ~ ilf_type(X2,set_type)
      | ( ~ empty(power_set(X2))
        & ilf_type(power_set(X2),set_type) ) ),
    inference(variable_rename,[status(thm)],[91]) ).

fof(93,plain,
    ! [X2] :
      ( ( ~ empty(power_set(X2))
        | ~ ilf_type(X2,set_type) )
      & ( ilf_type(power_set(X2),set_type)
        | ~ ilf_type(X2,set_type) ) ),
    inference(distribute,[status(thm)],[92]) ).

cnf(95,plain,
    ( ~ ilf_type(X1,set_type)
    | ~ empty(power_set(X1)) ),
    inference(split_conjunct,[status(thm)],[93]) ).

fof(96,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)],[23]) ).

fof(97,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)],[96]) ).

fof(98,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)],[97]) ).

fof(99,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)],[98]) ).

cnf(101,plain,
    ( empty(X2)
    | member(X1,X2)
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,member_type(X2)) ),
    inference(split_conjunct,[status(thm)],[99]) ).

fof(132,plain,
    ! [X2] : ilf_type(X2,set_type),
    inference(variable_rename,[status(thm)],[19]) ).

cnf(133,plain,
    ilf_type(X1,set_type),
    inference(split_conjunct,[status(thm)],[132]) ).

fof(134,negated_conjecture,
    ? [X1] :
      ( ilf_type(X1,set_type)
      & ? [X2] :
          ( ilf_type(X2,set_type)
          & ? [X3] :
              ( ilf_type(X3,set_type)
              & ? [X4] :
                  ( ilf_type(X4,relation_type(X2,X3))
                  & subset(X1,X4)
                  & ~ subset(X1,cross_product(X2,X3)) ) ) ) ),
    inference(fof_nnf,[status(thm)],[21]) ).

fof(135,negated_conjecture,
    ? [X5] :
      ( ilf_type(X5,set_type)
      & ? [X6] :
          ( ilf_type(X6,set_type)
          & ? [X7] :
              ( ilf_type(X7,set_type)
              & ? [X8] :
                  ( ilf_type(X8,relation_type(X6,X7))
                  & subset(X5,X8)
                  & ~ subset(X5,cross_product(X6,X7)) ) ) ) ),
    inference(variable_rename,[status(thm)],[134]) ).

fof(136,negated_conjecture,
    ( ilf_type(esk12_0,set_type)
    & ilf_type(esk13_0,set_type)
    & ilf_type(esk14_0,set_type)
    & ilf_type(esk15_0,relation_type(esk13_0,esk14_0))
    & subset(esk12_0,esk15_0)
    & ~ subset(esk12_0,cross_product(esk13_0,esk14_0)) ),
    inference(skolemize,[status(esa)],[135]) ).

cnf(137,negated_conjecture,
    ~ subset(esk12_0,cross_product(esk13_0,esk14_0)),
    inference(split_conjunct,[status(thm)],[136]) ).

cnf(138,negated_conjecture,
    subset(esk12_0,esk15_0),
    inference(split_conjunct,[status(thm)],[136]) ).

cnf(139,negated_conjecture,
    ilf_type(esk15_0,relation_type(esk13_0,esk14_0)),
    inference(split_conjunct,[status(thm)],[136]) ).

cnf(153,plain,
    ( ~ empty(power_set(X1))
    | $false ),
    inference(rw,[status(thm)],[95,133,theory(equality)]) ).

cnf(154,plain,
    ~ empty(power_set(X1)),
    inference(cn,[status(thm)],[153,theory(equality)]) ).

cnf(189,plain,
    ( subset(X1,X3)
    | ~ subset(X2,X3)
    | ~ subset(X1,X2)
    | $false
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[44,133,theory(equality)]) ).

cnf(190,plain,
    ( subset(X1,X3)
    | ~ subset(X2,X3)
    | ~ subset(X1,X2)
    | $false
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[189,133,theory(equality)]) ).

cnf(191,plain,
    ( subset(X1,X3)
    | ~ subset(X2,X3)
    | ~ subset(X1,X2)
    | $false
    | $false
    | $false ),
    inference(rw,[status(thm)],[190,133,theory(equality)]) ).

cnf(192,plain,
    ( subset(X1,X3)
    | ~ subset(X2,X3)
    | ~ subset(X1,X2) ),
    inference(cn,[status(thm)],[191,theory(equality)]) ).

cnf(199,plain,
    ( subset(X1,X2)
    | member(esk3_2(X1,X2),X1)
    | $false
    | ~ ilf_type(X1,set_type) ),
    inference(rw,[status(thm)],[51,133,theory(equality)]) ).

cnf(200,plain,
    ( subset(X1,X2)
    | member(esk3_2(X1,X2),X1)
    | $false
    | $false ),
    inference(rw,[status(thm)],[199,133,theory(equality)]) ).

cnf(201,plain,
    ( subset(X1,X2)
    | member(esk3_2(X1,X2),X1) ),
    inference(cn,[status(thm)],[200,theory(equality)]) ).

cnf(203,plain,
    ( subset(X1,X2)
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(rw,[status(thm)],[50,133,theory(equality)]) ).

cnf(204,plain,
    ( subset(X1,X2)
    | $false
    | $false
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(rw,[status(thm)],[203,133,theory(equality)]) ).

cnf(205,plain,
    ( subset(X1,X2)
    | ~ member(esk3_2(X1,X2),X2) ),
    inference(cn,[status(thm)],[204,theory(equality)]) ).

cnf(212,plain,
    ( ilf_type(X2,member_type(power_set(X1)))
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X2,subset_type(X1)) ),
    inference(rw,[status(thm)],[74,133,theory(equality)]) ).

cnf(213,plain,
    ( ilf_type(X2,member_type(power_set(X1)))
    | $false
    | $false
    | ~ ilf_type(X2,subset_type(X1)) ),
    inference(rw,[status(thm)],[212,133,theory(equality)]) ).

cnf(214,plain,
    ( ilf_type(X2,member_type(power_set(X1)))
    | ~ ilf_type(X2,subset_type(X1)) ),
    inference(cn,[status(thm)],[213,theory(equality)]) ).

cnf(222,plain,
    ( ilf_type(X3,subset_type(cross_product(X1,X2)))
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X3,relation_type(X1,X2)) ),
    inference(rw,[status(thm)],[63,133,theory(equality)]) ).

cnf(223,plain,
    ( ilf_type(X3,subset_type(cross_product(X1,X2)))
    | $false
    | $false
    | ~ ilf_type(X3,relation_type(X1,X2)) ),
    inference(rw,[status(thm)],[222,133,theory(equality)]) ).

cnf(224,plain,
    ( ilf_type(X3,subset_type(cross_product(X1,X2)))
    | ~ ilf_type(X3,relation_type(X1,X2)) ),
    inference(cn,[status(thm)],[223,theory(equality)]) ).

cnf(235,plain,
    ( empty(X2)
    | member(X1,X2)
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ ilf_type(X1,member_type(X2)) ),
    inference(rw,[status(thm)],[101,133,theory(equality)]) ).

cnf(236,plain,
    ( empty(X2)
    | member(X1,X2)
    | $false
    | $false
    | ~ ilf_type(X1,member_type(X2)) ),
    inference(rw,[status(thm)],[235,133,theory(equality)]) ).

cnf(237,plain,
    ( empty(X2)
    | member(X1,X2)
    | ~ ilf_type(X1,member_type(X2)) ),
    inference(cn,[status(thm)],[236,theory(equality)]) ).

cnf(240,plain,
    ( empty(power_set(X1))
    | member(X2,power_set(X1))
    | ~ ilf_type(X2,subset_type(X1)) ),
    inference(spm,[status(thm)],[237,214,theory(equality)]) ).

cnf(241,plain,
    ( member(X2,power_set(X1))
    | ~ ilf_type(X2,subset_type(X1)) ),
    inference(sr,[status(thm)],[240,154,theory(equality)]) ).

cnf(288,plain,
    ( member(X3,X2)
    | ~ member(X3,X1)
    | $false
    | ~ ilf_type(X2,set_type)
    | ~ ilf_type(X1,set_type)
    | ~ member(X1,power_set(X2)) ),
    inference(rw,[status(thm)],[90,133,theory(equality)]) ).

cnf(289,plain,
    ( member(X3,X2)
    | ~ member(X3,X1)
    | $false
    | $false
    | ~ ilf_type(X1,set_type)
    | ~ member(X1,power_set(X2)) ),
    inference(rw,[status(thm)],[288,133,theory(equality)]) ).

cnf(290,plain,
    ( member(X3,X2)
    | ~ member(X3,X1)
    | $false
    | $false
    | $false
    | ~ member(X1,power_set(X2)) ),
    inference(rw,[status(thm)],[289,133,theory(equality)]) ).

cnf(291,plain,
    ( member(X3,X2)
    | ~ member(X3,X1)
    | ~ member(X1,power_set(X2)) ),
    inference(cn,[status(thm)],[290,theory(equality)]) ).

cnf(366,plain,
    ( member(X1,X2)
    | ~ member(X1,X3)
    | ~ ilf_type(X3,subset_type(X2)) ),
    inference(spm,[status(thm)],[291,241,theory(equality)]) ).

cnf(891,plain,
    ( member(X1,cross_product(X2,X3))
    | ~ member(X1,X4)
    | ~ ilf_type(X4,relation_type(X2,X3)) ),
    inference(spm,[status(thm)],[366,224,theory(equality)]) ).

cnf(20082,negated_conjecture,
    ( member(X1,cross_product(esk13_0,esk14_0))
    | ~ member(X1,esk15_0) ),
    inference(spm,[status(thm)],[891,139,theory(equality)]) ).

cnf(20108,negated_conjecture,
    ( subset(X1,cross_product(esk13_0,esk14_0))
    | ~ member(esk3_2(X1,cross_product(esk13_0,esk14_0)),esk15_0) ),
    inference(spm,[status(thm)],[205,20082,theory(equality)]) ).

cnf(20121,negated_conjecture,
    subset(esk15_0,cross_product(esk13_0,esk14_0)),
    inference(spm,[status(thm)],[20108,201,theory(equality)]) ).

cnf(20132,negated_conjecture,
    ( subset(X1,cross_product(esk13_0,esk14_0))
    | ~ subset(X1,esk15_0) ),
    inference(spm,[status(thm)],[192,20121,theory(equality)]) ).

cnf(20144,negated_conjecture,
    ~ subset(esk12_0,esk15_0),
    inference(spm,[status(thm)],[137,20132,theory(equality)]) ).

cnf(20149,negated_conjecture,
    $false,
    inference(rw,[status(thm)],[20144,138,theory(equality)]) ).

cnf(20150,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[20149,theory(equality)]) ).

cnf(20151,negated_conjecture,
    $false,
    20150,
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/SET/SET640+3.p
% --creating new selector for []
% -running prover on /tmp/tmpbd-HTd/sel_SET640+3.p_1 with time limit 29
% -prover status Theorem
% Problem SET640+3.p solved in phase 0.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/SET/SET640+3.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/SET/SET640+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
% 
%------------------------------------------------------------------------------