TSTP Solution File: SET117+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET117+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n023.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 03:00:01 EDT 2022

% Result   : Theorem 0.46s 0.94s
% Output   : CNFRefutation 0.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   83
% Syntax   : Number of formulae    :  789 ( 504 unt;  39 typ;   0 def)
%            Number of atoms       : 4316 (1293 equ;   0 cnn)
%            Maximal formula atoms :    4 (   5 avg)
%            Number of connectives : 10622 (1653   ~;1370   |; 144   &;7395   @)
%                                         (  38 <=>;  22  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   47 (  47   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   42 (  39 usr;  10 con; 0-3 aty)
%            Number of variables   : 2140 (   0   ^2130   !;  10   ?;2140   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_apply,type,
    apply: $i > $i > $i ).

thf(tp_complement,type,
    complement: $i > $i ).

thf(tp_compose,type,
    compose: $i > $i > $i ).

thf(tp_cross_product,type,
    cross_product: $i > $i > $i ).

thf(tp_disjoint,type,
    disjoint: $i > $i > $o ).

thf(tp_domain_of,type,
    domain_of: $i > $i ).

thf(tp_element_relation,type,
    element_relation: $i ).

thf(tp_first,type,
    first: $i > $i ).

thf(tp_flip,type,
    flip: $i > $i ).

thf(tp_function,type,
    function: $i > $o ).

thf(tp_identity_relation,type,
    identity_relation: $i ).

thf(tp_image,type,
    image: $i > $i > $i ).

thf(tp_inductive,type,
    inductive: $i > $o ).

thf(tp_intersection,type,
    intersection: $i > $i > $i ).

thf(tp_inverse,type,
    inverse: $i > $i ).

thf(tp_member,type,
    member: $i > $i > $o ).

thf(tp_null_class,type,
    null_class: $i ).

thf(tp_ordered_pair,type,
    ordered_pair: $i > $i > $i ).

thf(tp_power_class,type,
    power_class: $i > $i ).

thf(tp_range_of,type,
    range_of: $i > $i ).

thf(tp_restrict,type,
    restrict: $i > $i > $i > $i ).

thf(tp_rotate,type,
    rotate: $i > $i ).

thf(tp_sK1_X,type,
    sK1_X: $i ).

thf(tp_sK2_XF,type,
    sK2_XF: $i ).

thf(tp_sK3_U,type,
    sK3_U: $i > $i ).

thf(tp_sK4_U,type,
    sK4_U: $i > $i > $i ).

thf(tp_sK5_X,type,
    sK5_X: $i > $i ).

thf(tp_sK6_Y,type,
    sK6_Y: $i > $i > $i ).

thf(tp_sK7_X,type,
    sK7_X: $i ).

thf(tp_sK8_U,type,
    sK8_U: $i > $i > $i ).

thf(tp_second,type,
    second: $i > $i ).

thf(tp_singleton,type,
    singleton: $i > $i ).

thf(tp_subclass,type,
    subclass: $i > $i > $o ).

thf(tp_successor,type,
    successor: $i > $i ).

thf(tp_successor_relation,type,
    successor_relation: $i ).

thf(tp_sum_class,type,
    sum_class: $i > $i ).

thf(tp_union,type,
    union: $i > $i > $i ).

thf(tp_universal_class,type,
    universal_class: $i ).

thf(tp_unordered_pair,type,
    unordered_pair: $i > $i > $i ).

thf(1,axiom,
    ? [XF: $i] :
      ( ( function @ XF )
      & ! [Y: $i] :
          ( ( member @ Y @ universal_class )
         => ( ( Y = null_class )
            | ( member @ ( apply @ XF @ Y ) @ Y ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',choice) ).

thf(2,axiom,
    ! [XF: $i,Y: $i] :
      ( ( apply @ XF @ Y )
      = ( sum_class @ ( image @ XF @ ( singleton @ Y ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',apply_defn) ).

thf(3,axiom,
    ! [X: $i] :
      ( ( X != null_class )
     => ? [U: $i] :
          ( ( member @ U @ universal_class )
          & ( member @ U @ X )
          & ( disjoint @ U @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',regularity) ).

thf(4,axiom,
    ! [X: $i,Y: $i] :
      ( ( disjoint @ X @ Y )
    <=> ! [U: $i] :
          ~ ( ( member @ U @ X )
            & ( member @ U @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',disjoint_defn) ).

thf(5,axiom,
    ! [X: $i,XF: $i] :
      ( ( ( member @ X @ universal_class )
        & ( function @ XF ) )
     => ( member @ ( image @ XF @ X ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',replacement) ).

thf(6,axiom,
    ! [XF: $i] :
      ( ( function @ XF )
    <=> ( ( subclass @ XF @ ( cross_product @ universal_class @ universal_class ) )
        & ( subclass @ ( compose @ XF @ ( inverse @ XF ) ) @ identity_relation ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',function_defn) ).

thf(7,axiom,
    ! [Z: $i] :
      ( ( member @ Z @ identity_relation )
    <=> ? [X: $i] :
          ( ( member @ X @ universal_class )
          & ( Z
            = ( ordered_pair @ X @ X ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',identity_relation) ).

thf(8,axiom,
    ! [XR: $i,YR: $i,U: $i,V: $i] :
      ( ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) )
    <=> ( ( member @ U @ universal_class )
        & ( member @ V @ ( image @ YR @ ( image @ XR @ ( singleton @ U ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose_defn2) ).

thf(9,axiom,
    ! [XR: $i,YR: $i] : ( subclass @ ( compose @ YR @ XR ) @ ( cross_product @ universal_class @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',compose_defn1) ).

thf(10,axiom,
    ! [U: $i] :
      ( ( member @ U @ universal_class )
     => ( member @ ( power_class @ U ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',power_class) ).

thf(11,axiom,
    ! [U: $i,X: $i] :
      ( ( member @ U @ ( power_class @ X ) )
    <=> ( ( member @ U @ universal_class )
        & ( subclass @ U @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',power_class_defn) ).

thf(12,axiom,
    ! [X: $i] :
      ( ( member @ X @ universal_class )
     => ( member @ ( sum_class @ X ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_class) ).

thf(13,axiom,
    ! [U: $i,X: $i] :
      ( ( member @ U @ ( sum_class @ X ) )
    <=> ? [Y: $i] :
          ( ( member @ U @ Y )
          & ( member @ Y @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum_class_defn) ).

thf(14,axiom,
    ? [X: $i] :
      ( ( member @ X @ universal_class )
      & ( inductive @ X )
      & ! [Y: $i] :
          ( ( inductive @ Y )
         => ( subclass @ X @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',infinity) ).

thf(15,axiom,
    ! [X: $i] :
      ( ( inductive @ X )
    <=> ( ( member @ null_class @ X )
        & ( subclass @ ( image @ successor_relation @ X ) @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inductive_defn) ).

thf(16,axiom,
    ! [X: $i,XR: $i] :
      ( ( image @ XR @ X )
      = ( range_of @ ( restrict @ XR @ X @ universal_class ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',image_defn) ).

thf(17,axiom,
    ! [Z: $i] :
      ( ( range_of @ Z )
      = ( domain_of @ ( inverse @ Z ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',range_of_defn) ).

thf(18,axiom,
    ! [Y: $i] :
      ( ( inverse @ Y )
      = ( domain_of @ ( flip @ ( cross_product @ Y @ universal_class ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',inverse_defn) ).

thf(19,axiom,
    ! [X: $i,Y: $i] :
      ( ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
    <=> ( ( member @ X @ universal_class )
        & ( member @ Y @ universal_class )
        & ( ( successor @ X )
          = Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation_defn2) ).

thf(20,axiom,
    subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_relation_defn1) ).

thf(21,axiom,
    ! [X: $i] :
      ( ( successor @ X )
      = ( union @ X @ ( singleton @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',successor_defn) ).

thf(22,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ( member @ Z @ ( union @ X @ Y ) )
    <=> ( ( member @ Z @ X )
        | ( member @ Z @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',union_defn) ).

thf(23,axiom,
    ! [X: $i] : ( subclass @ ( flip @ X ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',flip) ).

thf(24,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) )
    <=> ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        & ( member @ ( ordered_pair @ ( ordered_pair @ V @ U ) @ W ) @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',flip_defn) ).

thf(25,axiom,
    ! [X: $i] : ( subclass @ ( rotate @ X ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rotate) ).

thf(26,axiom,
    ! [X: $i,U: $i,V: $i,W: $i] :
      ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) )
    <=> ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        & ( member @ ( ordered_pair @ ( ordered_pair @ V @ W ) @ U ) @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rotate_defn) ).

thf(27,axiom,
    ! [X: $i,Z: $i] :
      ( ( member @ Z @ ( domain_of @ X ) )
    <=> ( ( member @ Z @ universal_class )
        & ( ( restrict @ X @ ( singleton @ Z ) @ universal_class )
         != null_class ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',domain_of) ).

thf(28,axiom,
    ! [X: $i] :
      ~ ( member @ X @ null_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_class_defn) ).

thf(29,axiom,
    ! [X: $i,XR: $i,Y: $i] :
      ( ( restrict @ XR @ X @ Y )
      = ( intersection @ XR @ ( cross_product @ X @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',restrict_defn) ).

thf(30,axiom,
    ! [X: $i,Z: $i] :
      ( ( member @ Z @ ( complement @ X ) )
    <=> ( ( member @ Z @ universal_class )
        & ~ ( member @ Z @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',complement) ).

thf(31,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ( member @ Z @ ( intersection @ X @ Y ) )
    <=> ( ( member @ Z @ X )
        & ( member @ Z @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection) ).

thf(32,axiom,
    subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation) ).

thf(33,axiom,
    ! [X: $i,Y: $i] :
      ( ( member @ ( ordered_pair @ X @ Y ) @ element_relation )
    <=> ( ( member @ Y @ universal_class )
        & ( member @ X @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_relation_defn) ).

thf(34,axiom,
    ! [X: $i,Y: $i,Z: $i] :
      ( ( member @ Z @ ( cross_product @ X @ Y ) )
     => ( Z
        = ( ordered_pair @ ( first @ Z ) @ ( second @ Z ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cross_product) ).

thf(35,axiom,
    ! [X: $i,Y: $i] :
      ( ( ( member @ X @ universal_class )
        & ( member @ Y @ universal_class ) )
     => ( ( ( first @ ( ordered_pair @ X @ Y ) )
          = X )
        & ( ( second @ ( ordered_pair @ X @ Y ) )
          = Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',first_second) ).

thf(36,axiom,
    ! [U: $i,V: $i,X: $i,Y: $i] :
      ( ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) )
    <=> ( ( member @ U @ X )
        & ( member @ V @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cross_product_defn) ).

thf(37,axiom,
    ! [X: $i,Y: $i] :
      ( ( ordered_pair @ X @ Y )
      = ( unordered_pair @ ( singleton @ X ) @ ( unordered_pair @ X @ ( singleton @ Y ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair_defn) ).

thf(38,axiom,
    ! [X: $i] :
      ( ( singleton @ X )
      = ( unordered_pair @ X @ X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set_defn) ).

thf(39,axiom,
    ! [X: $i,Y: $i] : ( member @ ( unordered_pair @ X @ Y ) @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair) ).

thf(40,axiom,
    ! [U: $i,X: $i,Y: $i] :
      ( ( member @ U @ ( unordered_pair @ X @ Y ) )
    <=> ( ( member @ U @ universal_class )
        & ( ( U = X )
          | ( U = Y ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_defn) ).

thf(41,axiom,
    ! [X: $i,Y: $i] :
      ( ( X = Y )
    <=> ( ( subclass @ X @ Y )
        & ( subclass @ Y @ X ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',extensionality) ).

thf(42,axiom,
    ! [X: $i] : ( subclass @ X @ universal_class ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',class_elements_are_sets) ).

thf(43,axiom,
    ! [X: $i,Y: $i] :
      ( ( subclass @ X @ Y )
    <=> ! [U: $i] :
          ( ( member @ U @ X )
         => ( member @ U @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subclass_defn) ).

thf(44,conjecture,
    ! [X: $i] :
      ( ( ( ordered_pair @ ( first @ X ) @ ( second @ X ) )
        = X )
     => ( member @ X @ universal_class ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_1_to_ordered_pairs_are_sets) ).

thf(45,negated_conjecture,
    ( ( ! [X: $i] :
          ( ( ( ordered_pair @ ( first @ X ) @ ( second @ X ) )
            = X )
         => ( member @ X @ universal_class ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[44]) ).

thf(46,plain,
    ( ( ! [X: $i] :
          ( ( ( ordered_pair @ ( first @ X ) @ ( second @ X ) )
            = X )
         => ( member @ X @ universal_class ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(47,plain,
    ( ( ? [XF: $i] :
          ( ( function @ XF )
          & ! [Y: $i] :
              ( ( member @ Y @ universal_class )
             => ( ( Y = null_class )
                | ( member @ ( apply @ XF @ Y ) @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(48,plain,
    ( ( ! [XF: $i,Y: $i] :
          ( ( apply @ XF @ Y )
          = ( sum_class @ ( image @ XF @ ( singleton @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(49,plain,
    ( ( ! [X: $i] :
          ( ( X != null_class )
         => ? [U: $i] :
              ( ( member @ U @ universal_class )
              & ( member @ U @ X )
              & ( disjoint @ U @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(50,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( disjoint @ X @ Y )
        <=> ! [U: $i] :
              ~ ( ( member @ U @ X )
                & ( member @ U @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(51,plain,
    ( ( ! [X: $i,XF: $i] :
          ( ( ( member @ X @ universal_class )
            & ( function @ XF ) )
         => ( member @ ( image @ XF @ X ) @ universal_class ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(52,plain,
    ( ( ! [XF: $i] :
          ( ( function @ XF )
        <=> ( ( subclass @ XF @ ( cross_product @ universal_class @ universal_class ) )
            & ( subclass @ ( compose @ XF @ ( inverse @ XF ) ) @ identity_relation ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(53,plain,
    ( ( ! [Z: $i] :
          ( ( member @ Z @ identity_relation )
        <=> ? [X: $i] :
              ( ( member @ X @ universal_class )
              & ( Z
                = ( ordered_pair @ X @ X ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(54,plain,
    ( ( ! [XR: $i,YR: $i,U: $i,V: $i] :
          ( ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) )
        <=> ( ( member @ U @ universal_class )
            & ( member @ V @ ( image @ YR @ ( image @ XR @ ( singleton @ U ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(55,plain,
    ( ( ! [XR: $i,YR: $i] : ( subclass @ ( compose @ YR @ XR ) @ ( cross_product @ universal_class @ universal_class ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(56,plain,
    ( ( ! [U: $i] :
          ( ( member @ U @ universal_class )
         => ( member @ ( power_class @ U ) @ universal_class ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(57,plain,
    ( ( ! [U: $i,X: $i] :
          ( ( member @ U @ ( power_class @ X ) )
        <=> ( ( member @ U @ universal_class )
            & ( subclass @ U @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(58,plain,
    ( ( ! [X: $i] :
          ( ( member @ X @ universal_class )
         => ( member @ ( sum_class @ X ) @ universal_class ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(59,plain,
    ( ( ! [U: $i,X: $i] :
          ( ( member @ U @ ( sum_class @ X ) )
        <=> ? [Y: $i] :
              ( ( member @ U @ Y )
              & ( member @ Y @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(60,plain,
    ( ( ? [X: $i] :
          ( ( member @ X @ universal_class )
          & ( inductive @ X )
          & ! [Y: $i] :
              ( ( inductive @ Y )
             => ( subclass @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(61,plain,
    ( ( ! [X: $i] :
          ( ( inductive @ X )
        <=> ( ( member @ null_class @ X )
            & ( subclass @ ( image @ successor_relation @ X ) @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(62,plain,
    ( ( ! [X: $i,XR: $i] :
          ( ( image @ XR @ X )
          = ( range_of @ ( restrict @ XR @ X @ universal_class ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(63,plain,
    ( ( ! [Z: $i] :
          ( ( range_of @ Z )
          = ( domain_of @ ( inverse @ Z ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(64,plain,
    ( ( ! [Y: $i] :
          ( ( inverse @ Y )
          = ( domain_of @ ( flip @ ( cross_product @ Y @ universal_class ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(65,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
        <=> ( ( member @ X @ universal_class )
            & ( member @ Y @ universal_class )
            & ( ( successor @ X )
              = Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(66,plain,
    ( ( subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(67,plain,
    ( ( ! [X: $i] :
          ( ( successor @ X )
          = ( union @ X @ ( singleton @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(68,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ( member @ Z @ ( union @ X @ Y ) )
        <=> ( ( member @ Z @ X )
            | ( member @ Z @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(69,plain,
    ( ( ! [X: $i] : ( subclass @ ( flip @ X ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(70,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) )
        <=> ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
            & ( member @ ( ordered_pair @ ( ordered_pair @ V @ U ) @ W ) @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(71,plain,
    ( ( ! [X: $i] : ( subclass @ ( rotate @ X ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(72,plain,
    ( ( ! [X: $i,U: $i,V: $i,W: $i] :
          ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) )
        <=> ( ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
            & ( member @ ( ordered_pair @ ( ordered_pair @ V @ W ) @ U ) @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(73,plain,
    ( ( ! [X: $i,Z: $i] :
          ( ( member @ Z @ ( domain_of @ X ) )
        <=> ( ( member @ Z @ universal_class )
            & ( ( restrict @ X @ ( singleton @ Z ) @ universal_class )
             != null_class ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(74,plain,
    ( ( ! [X: $i] :
          ~ ( member @ X @ null_class ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(75,plain,
    ( ( ! [X: $i,XR: $i,Y: $i] :
          ( ( restrict @ XR @ X @ Y )
          = ( intersection @ XR @ ( cross_product @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(76,plain,
    ( ( ! [X: $i,Z: $i] :
          ( ( member @ Z @ ( complement @ X ) )
        <=> ( ( member @ Z @ universal_class )
            & ~ ( member @ Z @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(77,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ( member @ Z @ ( intersection @ X @ Y ) )
        <=> ( ( member @ Z @ X )
            & ( member @ Z @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(78,plain,
    ( ( subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(79,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( member @ ( ordered_pair @ X @ Y ) @ element_relation )
        <=> ( ( member @ Y @ universal_class )
            & ( member @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(80,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ( member @ Z @ ( cross_product @ X @ Y ) )
         => ( Z
            = ( ordered_pair @ ( first @ Z ) @ ( second @ Z ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(81,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ( member @ X @ universal_class )
            & ( member @ Y @ universal_class ) )
         => ( ( ( first @ ( ordered_pair @ X @ Y ) )
              = X )
            & ( ( second @ ( ordered_pair @ X @ Y ) )
              = Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(82,plain,
    ( ( ! [U: $i,V: $i,X: $i,Y: $i] :
          ( ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) )
        <=> ( ( member @ U @ X )
            & ( member @ V @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(83,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ordered_pair @ X @ Y )
          = ( unordered_pair @ ( singleton @ X ) @ ( unordered_pair @ X @ ( singleton @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(84,plain,
    ( ( ! [X: $i] :
          ( ( singleton @ X )
          = ( unordered_pair @ X @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(85,plain,
    ( ( ! [X: $i,Y: $i] : ( member @ ( unordered_pair @ X @ Y ) @ universal_class ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(86,plain,
    ( ( ! [U: $i,X: $i,Y: $i] :
          ( ( member @ U @ ( unordered_pair @ X @ Y ) )
        <=> ( ( member @ U @ universal_class )
            & ( ( U = X )
              | ( U = Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(87,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( X = Y )
        <=> ( ( subclass @ X @ Y )
            & ( subclass @ Y @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(88,plain,
    ( ( ! [X: $i] : ( subclass @ X @ universal_class ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(89,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( subclass @ X @ Y )
        <=> ! [U: $i] :
              ( ( member @ U @ X )
             => ( member @ U @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(90,plain,
    ( ( ( ( ordered_pair @ ( first @ sK1_X ) @ ( second @ sK1_X ) )
        = sK1_X )
     => ( member @ sK1_X @ universal_class ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[46]) ).

thf(91,plain,
    ( ( ( ordered_pair @ ( first @ sK1_X ) @ ( second @ sK1_X ) )
      = sK1_X )
    = $true ),
    inference(standard_cnf,[status(thm)],[90]) ).

thf(92,plain,
    ( ( member @ sK1_X @ universal_class )
    = $false ),
    inference(standard_cnf,[status(thm)],[90]) ).

thf(93,plain,
    ( ( ~ ( member @ sK1_X @ universal_class ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[92]) ).

thf(94,plain,
    ( ( ! [SY87: $i] :
          ( ~ ( member @ SY87 @ universal_class )
          | ( SY87 = null_class )
          | ( member @ ( apply @ sK2_XF @ SY87 ) @ SY87 ) )
      & ( function @ sK2_XF ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[47]) ).

thf(95,plain,
    ( ( ! [X: $i] :
          ( ( X = null_class )
          | ( ( member @ ( sK3_U @ X ) @ universal_class )
            & ( member @ ( sK3_U @ X ) @ X )
            & ( disjoint @ ( sK3_U @ X ) @ X ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[49]) ).

thf(96,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ( member @ ( sK4_U @ Y @ X ) @ X )
            & ( member @ ( sK4_U @ Y @ X ) @ Y ) )
          | ( disjoint @ X @ Y ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( disjoint @ X @ Y )
          | ! [U: $i] :
              ( ~ ( member @ U @ X )
              | ~ ( member @ U @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[50]) ).

thf(97,plain,
    ( ( ! [X: $i,XF: $i] :
          ( ~ ( function @ XF )
          | ~ ( member @ X @ universal_class )
          | ( member @ ( image @ XF @ X ) @ universal_class ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[51]) ).

thf(98,plain,
    ( ( ! [XF: $i] :
          ( ~ ( subclass @ XF @ ( cross_product @ universal_class @ universal_class ) )
          | ~ ( subclass @ ( compose @ XF @ ( inverse @ XF ) ) @ identity_relation )
          | ( function @ XF ) )
      & ! [XF: $i] :
          ( ~ ( function @ XF )
          | ( subclass @ XF @ ( cross_product @ universal_class @ universal_class ) ) )
      & ! [XF: $i] :
          ( ~ ( function @ XF )
          | ( subclass @ ( compose @ XF @ ( inverse @ XF ) ) @ identity_relation ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[52]) ).

thf(99,plain,
    ( ( ! [Z: $i] :
          ( ! [X: $i] :
              ( ( Z
               != ( ordered_pair @ X @ X ) )
              | ~ ( member @ X @ universal_class ) )
          | ( member @ Z @ identity_relation ) )
      & ! [Z: $i] :
          ( ~ ( member @ Z @ identity_relation )
          | ( ( Z
              = ( ordered_pair @ ( sK5_X @ Z ) @ ( sK5_X @ Z ) ) )
            & ( member @ ( sK5_X @ Z ) @ universal_class ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[53]) ).

thf(100,plain,
    ( ( ! [XR: $i,YR: $i] :
          ( ! [U: $i,V: $i] :
              ( ~ ( member @ U @ universal_class )
              | ~ ( member @ V @ ( image @ YR @ ( image @ XR @ ( singleton @ U ) ) ) )
              | ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) ) )
          & ! [U: $i] :
              ( ! [V: $i] :
                  ~ ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) )
              | ( member @ U @ universal_class ) )
          & ! [U: $i,V: $i] :
              ( ~ ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) )
              | ( member @ V @ ( image @ YR @ ( image @ XR @ ( singleton @ U ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[54]) ).

thf(101,plain,
    ( ( ! [U: $i] :
          ( ~ ( member @ U @ universal_class )
          | ( member @ ( power_class @ U ) @ universal_class ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[56]) ).

thf(102,plain,
    ( ( ! [U: $i,X: $i] :
          ( ~ ( member @ U @ universal_class )
          | ~ ( subclass @ U @ X )
          | ( member @ U @ ( power_class @ X ) ) )
      & ! [U: $i] :
          ( ! [X: $i] :
              ~ ( member @ U @ ( power_class @ X ) )
          | ( member @ U @ universal_class ) )
      & ! [U: $i,X: $i] :
          ( ~ ( member @ U @ ( power_class @ X ) )
          | ( subclass @ U @ X ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[57]) ).

thf(103,plain,
    ( ( ! [X: $i] :
          ( ~ ( member @ X @ universal_class )
          | ( member @ ( sum_class @ X ) @ universal_class ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[58]) ).

thf(104,plain,
    ( ( ! [U: $i,X: $i] :
          ( ! [Y: $i] :
              ( ~ ( member @ U @ Y )
              | ~ ( member @ Y @ X ) )
          | ( member @ U @ ( sum_class @ X ) ) )
      & ! [U: $i,X: $i] :
          ( ~ ( member @ U @ ( sum_class @ X ) )
          | ( ( member @ U @ ( sK6_Y @ X @ U ) )
            & ( member @ ( sK6_Y @ X @ U ) @ X ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[59]) ).

thf(105,plain,
    ( ( ! [SY88: $i] :
          ( ~ ( inductive @ SY88 )
          | ( subclass @ sK7_X @ SY88 ) )
      & ( inductive @ sK7_X )
      & ( member @ sK7_X @ universal_class ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[60]) ).

thf(106,plain,
    ( ( ! [X: $i] :
          ( ~ ( member @ null_class @ X )
          | ~ ( subclass @ ( image @ successor_relation @ X ) @ X )
          | ( inductive @ X ) )
      & ! [X: $i] :
          ( ~ ( inductive @ X )
          | ( member @ null_class @ X ) )
      & ! [X: $i] :
          ( ~ ( inductive @ X )
          | ( subclass @ ( image @ successor_relation @ X ) @ X ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[61]) ).

thf(107,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( member @ X @ universal_class )
          | ~ ( member @ Y @ universal_class )
          | ( ( successor @ X )
           != Y )
          | ( member @ ( ordered_pair @ X @ Y ) @ successor_relation ) )
      & ! [X: $i] :
          ( ! [Y: $i] :
              ~ ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
          | ( member @ X @ universal_class ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
          | ( member @ Y @ universal_class ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
          | ( ( successor @ X )
            = Y ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[65]) ).

thf(108,plain,
    ( ( ! [X: $i] :
          ( ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ ( union @ X @ Y ) )
              | ( member @ Z @ X )
              | ( member @ Z @ Y ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ X )
              | ( member @ Z @ ( union @ X @ Y ) ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ Y )
              | ( member @ Z @ ( union @ X @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[68]) ).

thf(109,plain,
    ( ( ! [U: $i,V: $i] :
          ( ! [W: $i,X: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ V @ U ) @ W ) @ X )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) ) )
          & ! [W: $i] :
              ( ! [X: $i] :
                  ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
          & ! [W: $i,X: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ V @ U ) @ W ) @ X ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[70]) ).

thf(110,plain,
    ( ( ! [X: $i,U: $i] :
          ( ! [V: $i,W: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ V @ W ) @ U ) @ X )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) ) )
          & ! [V: $i,W: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
          & ! [V: $i,W: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ V @ W ) @ U ) @ X ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[72]) ).

thf(111,plain,
    ( ( ! [X: $i,Z: $i] :
          ( ( ( restrict @ X @ ( singleton @ Z ) @ universal_class )
            = null_class )
          | ~ ( member @ Z @ universal_class )
          | ( member @ Z @ ( domain_of @ X ) ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( domain_of @ X ) )
          | ( ( restrict @ X @ ( singleton @ Z ) @ universal_class )
           != null_class ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( domain_of @ X ) )
          | ( member @ Z @ universal_class ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[73]) ).

thf(112,plain,
    ( ( ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ universal_class )
          | ( member @ Z @ X )
          | ( member @ Z @ ( complement @ X ) ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( complement @ X ) )
          | ( member @ Z @ universal_class ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( complement @ X ) )
          | ~ ( member @ Z @ X ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[76]) ).

thf(113,plain,
    ( ( ! [X: $i] :
          ( ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ X )
              | ~ ( member @ Z @ Y )
              | ( member @ Z @ ( intersection @ X @ Y ) ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ ( intersection @ X @ Y ) )
              | ( member @ Z @ X ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ ( intersection @ X @ Y ) )
              | ( member @ Z @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[77]) ).

thf(114,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( member @ Y @ universal_class )
          | ~ ( member @ X @ Y )
          | ( member @ ( ordered_pair @ X @ Y ) @ element_relation ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ element_relation )
          | ( member @ Y @ universal_class ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ element_relation )
          | ( member @ X @ Y ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[79]) ).

thf(115,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( member @ Z @ ( cross_product @ X @ Y ) )
          | ( Z
            = ( ordered_pair @ ( first @ Z ) @ ( second @ Z ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[80]) ).

thf(116,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( member @ X @ universal_class )
          | ~ ( member @ Y @ universal_class )
          | ( ( first @ ( ordered_pair @ X @ Y ) )
            = X ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ X @ universal_class )
          | ~ ( member @ Y @ universal_class )
          | ( ( second @ ( ordered_pair @ X @ Y ) )
            = Y ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[81]) ).

thf(117,plain,
    ( ( ! [U: $i,V: $i] :
          ( ! [X: $i,Y: $i] :
              ( ~ ( member @ U @ X )
              | ~ ( member @ V @ Y )
              | ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) ) )
          & ! [X: $i] :
              ( ! [Y: $i] :
                  ~ ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) )
              | ( member @ U @ X ) )
          & ! [X: $i,Y: $i] :
              ( ~ ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) )
              | ( member @ V @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[82]) ).

thf(118,plain,
    ( ( ! [U: $i] :
          ( ! [X: $i] :
              ( ~ ( member @ U @ universal_class )
              | ( U != X )
              | ! [Y: $i] : ( member @ U @ ( unordered_pair @ X @ Y ) ) )
          & ! [X: $i,Y: $i] :
              ( ~ ( member @ U @ universal_class )
              | ( U != Y )
              | ( member @ U @ ( unordered_pair @ X @ Y ) ) )
          & ( ! [X: $i,Y: $i] :
                ~ ( member @ U @ ( unordered_pair @ X @ Y ) )
            | ( member @ U @ universal_class ) )
          & ! [X: $i,Y: $i] :
              ( ~ ( member @ U @ ( unordered_pair @ X @ Y ) )
              | ( U = X )
              | ( U = Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[86]) ).

thf(119,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( subclass @ X @ Y )
          | ~ ( subclass @ Y @ X )
          | ( X = Y ) )
      & ! [X: $i,Y: $i] :
          ( ( X != Y )
          | ( subclass @ X @ Y ) )
      & ! [X: $i,Y: $i] :
          ( ( X != Y )
          | ( subclass @ Y @ X ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[87]) ).

thf(120,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ( member @ ( sK8_U @ Y @ X ) @ X )
            & ~ ( member @ ( sK8_U @ Y @ X ) @ Y ) )
          | ( subclass @ X @ Y ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( subclass @ X @ Y )
          | ! [U: $i] :
              ( ~ ( member @ U @ X )
              | ( member @ U @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[89]) ).

thf(121,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ( member @ ( sK8_U @ Y @ X ) @ X )
            & ~ ( member @ ( sK8_U @ Y @ X ) @ Y ) )
          | ( subclass @ X @ Y ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( subclass @ X @ Y )
          | ! [U: $i] :
              ( ~ ( member @ U @ X )
              | ( member @ U @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[120]) ).

thf(122,plain,
    ( ( ! [X: $i] : ( subclass @ X @ universal_class ) )
    = $true ),
    inference(copy,[status(thm)],[88]) ).

thf(123,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( subclass @ X @ Y )
          | ~ ( subclass @ Y @ X )
          | ( X = Y ) )
      & ! [X: $i,Y: $i] :
          ( ( X != Y )
          | ( subclass @ X @ Y ) )
      & ! [X: $i,Y: $i] :
          ( ( X != Y )
          | ( subclass @ Y @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[119]) ).

thf(124,plain,
    ( ( ! [U: $i] :
          ( ! [X: $i] :
              ( ~ ( member @ U @ universal_class )
              | ( U != X )
              | ! [Y: $i] : ( member @ U @ ( unordered_pair @ X @ Y ) ) )
          & ! [X: $i,Y: $i] :
              ( ~ ( member @ U @ universal_class )
              | ( U != Y )
              | ( member @ U @ ( unordered_pair @ X @ Y ) ) )
          & ( ! [X: $i,Y: $i] :
                ~ ( member @ U @ ( unordered_pair @ X @ Y ) )
            | ( member @ U @ universal_class ) )
          & ! [X: $i,Y: $i] :
              ( ~ ( member @ U @ ( unordered_pair @ X @ Y ) )
              | ( U = X )
              | ( U = Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[118]) ).

thf(125,plain,
    ( ( ! [X: $i,Y: $i] : ( member @ ( unordered_pair @ X @ Y ) @ universal_class ) )
    = $true ),
    inference(copy,[status(thm)],[85]) ).

thf(126,plain,
    ( ( ! [X: $i] :
          ( ( singleton @ X )
          = ( unordered_pair @ X @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[84]) ).

thf(127,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ordered_pair @ X @ Y )
          = ( unordered_pair @ ( singleton @ X ) @ ( unordered_pair @ X @ ( singleton @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[83]) ).

thf(128,plain,
    ( ( ! [U: $i,V: $i] :
          ( ! [X: $i,Y: $i] :
              ( ~ ( member @ U @ X )
              | ~ ( member @ V @ Y )
              | ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) ) )
          & ! [X: $i] :
              ( ! [Y: $i] :
                  ~ ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) )
              | ( member @ U @ X ) )
          & ! [X: $i,Y: $i] :
              ( ~ ( member @ ( ordered_pair @ U @ V ) @ ( cross_product @ X @ Y ) )
              | ( member @ V @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[117]) ).

thf(129,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( member @ X @ universal_class )
          | ~ ( member @ Y @ universal_class )
          | ( ( first @ ( ordered_pair @ X @ Y ) )
            = X ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ X @ universal_class )
          | ~ ( member @ Y @ universal_class )
          | ( ( second @ ( ordered_pair @ X @ Y ) )
            = Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[116]) ).

thf(130,plain,
    ( ( ! [X: $i,Y: $i,Z: $i] :
          ( ~ ( member @ Z @ ( cross_product @ X @ Y ) )
          | ( Z
            = ( ordered_pair @ ( first @ Z ) @ ( second @ Z ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[115]) ).

thf(131,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( member @ Y @ universal_class )
          | ~ ( member @ X @ Y )
          | ( member @ ( ordered_pair @ X @ Y ) @ element_relation ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ element_relation )
          | ( member @ Y @ universal_class ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ element_relation )
          | ( member @ X @ Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[114]) ).

thf(132,plain,
    ( ( subclass @ element_relation @ ( cross_product @ universal_class @ universal_class ) )
    = $true ),
    inference(copy,[status(thm)],[78]) ).

thf(133,plain,
    ( ( ! [X: $i] :
          ( ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ X )
              | ~ ( member @ Z @ Y )
              | ( member @ Z @ ( intersection @ X @ Y ) ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ ( intersection @ X @ Y ) )
              | ( member @ Z @ X ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ ( intersection @ X @ Y ) )
              | ( member @ Z @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[113]) ).

thf(134,plain,
    ( ( ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ universal_class )
          | ( member @ Z @ X )
          | ( member @ Z @ ( complement @ X ) ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( complement @ X ) )
          | ( member @ Z @ universal_class ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( complement @ X ) )
          | ~ ( member @ Z @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[112]) ).

thf(135,plain,
    ( ( ! [X: $i,XR: $i,Y: $i] :
          ( ( restrict @ XR @ X @ Y )
          = ( intersection @ XR @ ( cross_product @ X @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[75]) ).

thf(136,plain,
    ( ( ! [X: $i] :
          ~ ( member @ X @ null_class ) )
    = $true ),
    inference(copy,[status(thm)],[74]) ).

thf(137,plain,
    ( ( ! [X: $i,Z: $i] :
          ( ( ( restrict @ X @ ( singleton @ Z ) @ universal_class )
            = null_class )
          | ~ ( member @ Z @ universal_class )
          | ( member @ Z @ ( domain_of @ X ) ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( domain_of @ X ) )
          | ( ( restrict @ X @ ( singleton @ Z ) @ universal_class )
           != null_class ) )
      & ! [X: $i,Z: $i] :
          ( ~ ( member @ Z @ ( domain_of @ X ) )
          | ( member @ Z @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[111]) ).

thf(138,plain,
    ( ( ! [X: $i,U: $i] :
          ( ! [V: $i,W: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ V @ W ) @ U ) @ X )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) ) )
          & ! [V: $i,W: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
          & ! [V: $i,W: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( rotate @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ V @ W ) @ U ) @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[110]) ).

thf(139,plain,
    ( ( ! [X: $i] : ( subclass @ ( rotate @ X ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[71]) ).

thf(140,plain,
    ( ( ! [U: $i,V: $i] :
          ( ! [W: $i,X: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ V @ U ) @ W ) @ X )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) ) )
          & ! [W: $i] :
              ( ! [X: $i] :
                  ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
          & ! [W: $i,X: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ U @ V ) @ W ) @ ( flip @ X ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ V @ U ) @ W ) @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[109]) ).

thf(141,plain,
    ( ( ! [X: $i] : ( subclass @ ( flip @ X ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[69]) ).

thf(142,plain,
    ( ( ! [X: $i] :
          ( ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ ( union @ X @ Y ) )
              | ( member @ Z @ X )
              | ( member @ Z @ Y ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ X )
              | ( member @ Z @ ( union @ X @ Y ) ) )
          & ! [Y: $i,Z: $i] :
              ( ~ ( member @ Z @ Y )
              | ( member @ Z @ ( union @ X @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[108]) ).

thf(143,plain,
    ( ( ! [X: $i] :
          ( ( successor @ X )
          = ( union @ X @ ( singleton @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[67]) ).

thf(144,plain,
    ( ( subclass @ successor_relation @ ( cross_product @ universal_class @ universal_class ) )
    = $true ),
    inference(copy,[status(thm)],[66]) ).

thf(145,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ~ ( member @ X @ universal_class )
          | ~ ( member @ Y @ universal_class )
          | ( ( successor @ X )
           != Y )
          | ( member @ ( ordered_pair @ X @ Y ) @ successor_relation ) )
      & ! [X: $i] :
          ( ! [Y: $i] :
              ~ ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
          | ( member @ X @ universal_class ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
          | ( member @ Y @ universal_class ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( member @ ( ordered_pair @ X @ Y ) @ successor_relation )
          | ( ( successor @ X )
            = Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[107]) ).

thf(146,plain,
    ( ( ! [Y: $i] :
          ( ( inverse @ Y )
          = ( domain_of @ ( flip @ ( cross_product @ Y @ universal_class ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[64]) ).

thf(147,plain,
    ( ( ! [Z: $i] :
          ( ( range_of @ Z )
          = ( domain_of @ ( inverse @ Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[63]) ).

thf(148,plain,
    ( ( ! [X: $i,XR: $i] :
          ( ( image @ XR @ X )
          = ( range_of @ ( restrict @ XR @ X @ universal_class ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[62]) ).

thf(149,plain,
    ( ( ! [X: $i] :
          ( ~ ( member @ null_class @ X )
          | ~ ( subclass @ ( image @ successor_relation @ X ) @ X )
          | ( inductive @ X ) )
      & ! [X: $i] :
          ( ~ ( inductive @ X )
          | ( member @ null_class @ X ) )
      & ! [X: $i] :
          ( ~ ( inductive @ X )
          | ( subclass @ ( image @ successor_relation @ X ) @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[106]) ).

thf(150,plain,
    ( ( ! [SY88: $i] :
          ( ~ ( inductive @ SY88 )
          | ( subclass @ sK7_X @ SY88 ) )
      & ( inductive @ sK7_X )
      & ( member @ sK7_X @ universal_class ) )
    = $true ),
    inference(copy,[status(thm)],[105]) ).

thf(151,plain,
    ( ( ! [U: $i,X: $i] :
          ( ! [Y: $i] :
              ( ~ ( member @ U @ Y )
              | ~ ( member @ Y @ X ) )
          | ( member @ U @ ( sum_class @ X ) ) )
      & ! [U: $i,X: $i] :
          ( ~ ( member @ U @ ( sum_class @ X ) )
          | ( ( member @ U @ ( sK6_Y @ X @ U ) )
            & ( member @ ( sK6_Y @ X @ U ) @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[104]) ).

thf(152,plain,
    ( ( ! [X: $i] :
          ( ~ ( member @ X @ universal_class )
          | ( member @ ( sum_class @ X ) @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[103]) ).

thf(153,plain,
    ( ( ! [U: $i,X: $i] :
          ( ~ ( member @ U @ universal_class )
          | ~ ( subclass @ U @ X )
          | ( member @ U @ ( power_class @ X ) ) )
      & ! [U: $i] :
          ( ! [X: $i] :
              ~ ( member @ U @ ( power_class @ X ) )
          | ( member @ U @ universal_class ) )
      & ! [U: $i,X: $i] :
          ( ~ ( member @ U @ ( power_class @ X ) )
          | ( subclass @ U @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[102]) ).

thf(154,plain,
    ( ( ! [U: $i] :
          ( ~ ( member @ U @ universal_class )
          | ( member @ ( power_class @ U ) @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[101]) ).

thf(155,plain,
    ( ( ! [XR: $i,YR: $i] : ( subclass @ ( compose @ YR @ XR ) @ ( cross_product @ universal_class @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[55]) ).

thf(156,plain,
    ( ( ! [XR: $i,YR: $i] :
          ( ! [U: $i,V: $i] :
              ( ~ ( member @ U @ universal_class )
              | ~ ( member @ V @ ( image @ YR @ ( image @ XR @ ( singleton @ U ) ) ) )
              | ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) ) )
          & ! [U: $i] :
              ( ! [V: $i] :
                  ~ ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) )
              | ( member @ U @ universal_class ) )
          & ! [U: $i,V: $i] :
              ( ~ ( member @ ( ordered_pair @ U @ V ) @ ( compose @ YR @ XR ) )
              | ( member @ V @ ( image @ YR @ ( image @ XR @ ( singleton @ U ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[100]) ).

thf(157,plain,
    ( ( ! [Z: $i] :
          ( ! [X: $i] :
              ( ( Z
               != ( ordered_pair @ X @ X ) )
              | ~ ( member @ X @ universal_class ) )
          | ( member @ Z @ identity_relation ) )
      & ! [Z: $i] :
          ( ~ ( member @ Z @ identity_relation )
          | ( ( Z
              = ( ordered_pair @ ( sK5_X @ Z ) @ ( sK5_X @ Z ) ) )
            & ( member @ ( sK5_X @ Z ) @ universal_class ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[99]) ).

thf(158,plain,
    ( ( ! [XF: $i] :
          ( ~ ( subclass @ XF @ ( cross_product @ universal_class @ universal_class ) )
          | ~ ( subclass @ ( compose @ XF @ ( inverse @ XF ) ) @ identity_relation )
          | ( function @ XF ) )
      & ! [XF: $i] :
          ( ~ ( function @ XF )
          | ( subclass @ XF @ ( cross_product @ universal_class @ universal_class ) ) )
      & ! [XF: $i] :
          ( ~ ( function @ XF )
          | ( subclass @ ( compose @ XF @ ( inverse @ XF ) ) @ identity_relation ) ) )
    = $true ),
    inference(copy,[status(thm)],[98]) ).

thf(159,plain,
    ( ( ! [X: $i,XF: $i] :
          ( ~ ( function @ XF )
          | ~ ( member @ X @ universal_class )
          | ( member @ ( image @ XF @ X ) @ universal_class ) ) )
    = $true ),
    inference(copy,[status(thm)],[97]) ).

thf(160,plain,
    ( ( ! [X: $i,Y: $i] :
          ( ( ( member @ ( sK4_U @ Y @ X ) @ X )
            & ( member @ ( sK4_U @ Y @ X ) @ Y ) )
          | ( disjoint @ X @ Y ) )
      & ! [X: $i,Y: $i] :
          ( ~ ( disjoint @ X @ Y )
          | ! [U: $i] :
              ( ~ ( member @ U @ X )
              | ~ ( member @ U @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[96]) ).

thf(161,plain,
    ( ( ! [X: $i] :
          ( ( X = null_class )
          | ( ( member @ ( sK3_U @ X ) @ universal_class )
            & ( member @ ( sK3_U @ X ) @ X )
            & ( disjoint @ ( sK3_U @ X ) @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[95]) ).

thf(162,plain,
    ( ( ! [XF: $i,Y: $i] :
          ( ( apply @ XF @ Y )
          = ( sum_class @ ( image @ XF @ ( singleton @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(163,plain,
    ( ( ! [SY87: $i] :
          ( ~ ( member @ SY87 @ universal_class )
          | ( SY87 = null_class )
          | ( member @ ( apply @ sK2_XF @ SY87 ) @ SY87 ) )
      & ( function @ sK2_XF ) )
    = $true ),
    inference(copy,[status(thm)],[94]) ).

thf(164,plain,
    ( ( ( ordered_pair @ ( first @ sK1_X ) @ ( second @ sK1_X ) )
      = sK1_X )
    = $true ),
    inference(copy,[status(thm)],[91]) ).

thf(165,plain,
    ( ( ~ ( member @ sK1_X @ universal_class ) )
    = $true ),
    inference(copy,[status(thm)],[93]) ).

thf(166,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( member @ null_class @ SX0 )
                | ~ ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 )
                | ( inductive @ SX0 ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( inductive @ SX0 )
                      | ( member @ null_class @ SX0 ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( inductive @ SX0 )
                      | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(167,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( member @ SX0 @ universal_class )
                | ( SX0 = null_class )
                | ( member @ ( apply @ sK2_XF @ SX0 ) @ SX0 ) )
          | ~ ( function @ sK2_XF ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(168,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subclass @ SX0 @ SX1 )
                | ~ ( subclass @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subclass @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subclass @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(169,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX2 ) @ SX3 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
                  | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) @ SX0 )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX2 ) @ SX3 ) @ ( rotate @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX2 ) @ SX3 ) @ ( rotate @ SX0 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX2 ) @ SX3 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX2 ) @ SX3 ) @ ( rotate @ SX0 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SX2 @ SX3 ) @ SX1 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[138]) ).

thf(170,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) )
                | ~ ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation )
                | ( function @ SX0 ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( function @ SX0 )
                      | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( function @ SX0 )
                      | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(171,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( member @ SX0 @ SX2 )
                    | ~ ( member @ SX2 @ SX1 ) )
                | ( member @ SX0 @ ( sum_class @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ ( sum_class @ SX1 ) )
                | ~ ( ~ ( member @ SX0 @ ( sK6_Y @ SX1 @ SX0 ) )
                    | ~ ( member @ ( sK6_Y @ SX1 @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[151]) ).

thf(172,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( member @ SX2 @ universal_class )
                  | ~ ( member @ SX3 @ ( image @ SX1 @ ( image @ SX0 @ ( singleton @ SX2 ) ) ) )
                  | ( member @ ( ordered_pair @ SX2 @ SX3 ) @ ( compose @ SX1 @ SX0 ) ) )
            | ~ ~ ( ~ ! [SX2: $i] :
                        ( ! [SX3: $i] :
                            ~ ( member @ ( ordered_pair @ SX2 @ SX3 ) @ ( compose @ SX1 @ SX0 ) )
                        | ( member @ SX2 @ universal_class ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( member @ ( ordered_pair @ SX2 @ SX3 ) @ ( compose @ SX1 @ SX0 ) )
                        | ( member @ SX3 @ ( image @ SX1 @ ( image @ SX0 @ ( singleton @ SX2 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[156]) ).

thf(173,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX1 @ universal_class )
                | ( member @ SX1 @ SX0 )
                | ( member @ SX1 @ ( complement @ SX0 ) ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                      | ( member @ SX1 @ universal_class ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                      | ~ ( member @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[134]) ).

thf(174,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( member @ SX0 @ SX2 )
                  | ~ ( member @ SX1 @ SX3 )
                  | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ ( cross_product @ SX2 @ SX3 ) ) )
            | ~ ~ ( ~ ! [SX2: $i] :
                        ( ! [SX3: $i] :
                            ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ ( cross_product @ SX2 @ SX3 ) )
                        | ( member @ SX0 @ SX2 ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ ( cross_product @ SX2 @ SX3 ) )
                        | ( member @ SX1 @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[128]) ).

thf(175,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ SX0 )
                  | ~ ( member @ SX2 @ SX1 )
                  | ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX0 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[133]) ).

thf(176,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ universal_class )
                | ~ ( member @ SX1 @ universal_class )
                | ( ( first @ ( ordered_pair @ SX0 @ SX1 ) )
                  = SX0 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ universal_class )
                | ~ ( member @ SX1 @ universal_class )
                | ( ( second @ ( ordered_pair @ SX0 @ SX1 ) )
                  = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[129]) ).

thf(177,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ universal_class )
                | ~ ( subclass @ SX0 @ SX1 )
                | ( member @ SX0 @ ( power_class @ SX1 ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ! [SX1: $i] :
                          ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                      | ( member @ SX0 @ universal_class ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                      | ( subclass @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(178,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ! [SX1: $i] :
                    ( ( SX0
                     != ( ordered_pair @ SX1 @ SX1 ) )
                    | ~ ( member @ SX1 @ universal_class ) )
                | ( member @ SX0 @ identity_relation ) )
          | ~ ! [SX0: $i] :
                ( ~ ( member @ SX0 @ identity_relation )
                | ~ ( ( SX0
                     != ( ordered_pair @ ( sK5_X @ SX0 ) @ ( sK5_X @ SX0 ) ) )
                    | ~ ( member @ ( sK5_X @ SX0 ) @ universal_class ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[157]) ).

thf(179,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
                  = null_class )
                | ~ ( member @ SX1 @ universal_class )
                | ( member @ SX1 @ ( domain_of @ SX0 ) ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                      | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
                       != null_class ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                      | ( member @ SX1 @ universal_class ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[137]) ).

thf(180,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ ( union @ SX0 @ SX1 ) )
                  | ( member @ SX2 @ SX0 )
                  | ( member @ SX2 @ SX1 ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ SX0 )
                        | ( member @ SX2 @ ( union @ SX0 @ SX1 ) ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ SX1 )
                        | ( member @ SX2 @ ( union @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[142]) ).

thf(181,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 = null_class )
          | ~ ( ~ ~ ( ~ ( member @ ( sK3_U @ SX0 ) @ universal_class )
                    | ~ ( member @ ( sK3_U @ SX0 ) @ SX0 ) )
              | ~ ( disjoint @ ( sK3_U @ SX0 ) @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(182,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( inductive @ SX0 )
                | ( subclass @ sK7_X @ SX0 ) )
          | ~ ~ ( ~ ( inductive @ sK7_X )
                | ~ ( member @ sK7_X @ universal_class ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(183,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX1 @ universal_class )
                | ~ ( member @ SX0 @ SX1 )
                | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                      | ( member @ SX1 @ universal_class ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                      | ( member @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[131]) ).

thf(184,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ! [SX2: $i,SX3: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
                  | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX0 ) @ SX2 ) @ SX3 )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 ) @ ( flip @ SX3 ) ) )
            | ~ ~ ( ~ ! [SX2: $i] :
                        ( ! [SX3: $i] :
                            ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 ) @ ( flip @ SX3 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
                  | ~ ! [SX2: $i,SX3: $i] :
                        ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SX0 @ SX1 ) @ SX2 ) @ ( flip @ SX3 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SX1 @ SX0 ) @ SX2 ) @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[140]) ).

thf(185,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( member @ SX0 @ universal_class )
                        | ( SX0 != SX1 )
                        | ! [SX2: $i] : ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX0 @ universal_class )
                        | ( SX0 != SX2 )
                        | ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) ) ) )
            | ~ ~ ( ~ ( ! [SX1: $i,SX2: $i] :
                          ~ ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) )
                      | ( member @ SX0 @ universal_class ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) )
                        | ( SX0 = SX1 )
                        | ( SX0 = SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[124]) ).

thf(186,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX1 ) )
                | ( disjoint @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( disjoint @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ~ ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(187,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX1 ) )
                | ( subclass @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subclass @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[121]) ).

thf(188,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ universal_class )
                | ~ ( member @ SX1 @ universal_class )
                | ( ( successor @ SX0 )
                 != SX1 )
                | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation ) )
          | ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                            ( ! [SX1: $i] :
                                ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                            | ( member @ SX0 @ universal_class ) )
                      | ~ ! [SX0: $i,SX1: $i] :
                            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                            | ( member @ SX1 @ universal_class ) ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                      | ( ( successor @ SX0 )
                        = SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[145]) ).

thf(189,plain,
    ! [SV1: $i] :
      ( ( subclass @ SV1 @ universal_class )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[122]) ).

thf(190,plain,
    ! [SV2: $i] :
      ( ( ! [SY89: $i] : ( member @ ( unordered_pair @ SV2 @ SY89 ) @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[125]) ).

thf(191,plain,
    ! [SV3: $i] :
      ( ( ( singleton @ SV3 )
        = ( unordered_pair @ SV3 @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[126]) ).

thf(192,plain,
    ! [SV4: $i] :
      ( ( ! [SY90: $i] :
            ( ( ordered_pair @ SV4 @ SY90 )
            = ( unordered_pair @ ( singleton @ SV4 ) @ ( unordered_pair @ SV4 @ ( singleton @ SY90 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[127]) ).

thf(193,plain,
    ! [SV5: $i] :
      ( ( ! [SY91: $i,SY92: $i] :
            ( ~ ( member @ SY92 @ ( cross_product @ SV5 @ SY91 ) )
            | ( SY92
              = ( ordered_pair @ ( first @ SY92 ) @ ( second @ SY92 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[130]) ).

thf(194,plain,
    ! [SV6: $i] :
      ( ( ! [SY93: $i,SY94: $i] :
            ( ( restrict @ SY93 @ SV6 @ SY94 )
            = ( intersection @ SY93 @ ( cross_product @ SV6 @ SY94 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[135]) ).

thf(195,plain,
    ! [SV7: $i] :
      ( ( ~ ( member @ SV7 @ null_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[136]) ).

thf(196,plain,
    ! [SV8: $i] :
      ( ( subclass @ ( rotate @ SV8 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[139]) ).

thf(197,plain,
    ! [SV9: $i] :
      ( ( subclass @ ( flip @ SV9 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[141]) ).

thf(198,plain,
    ! [SV10: $i] :
      ( ( ( successor @ SV10 )
        = ( union @ SV10 @ ( singleton @ SV10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[143]) ).

thf(199,plain,
    ! [SV11: $i] :
      ( ( ( inverse @ SV11 )
        = ( domain_of @ ( flip @ ( cross_product @ SV11 @ universal_class ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[146]) ).

thf(200,plain,
    ! [SV12: $i] :
      ( ( ( range_of @ SV12 )
        = ( domain_of @ ( inverse @ SV12 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[147]) ).

thf(201,plain,
    ! [SV13: $i] :
      ( ( ! [SY95: $i] :
            ( ( image @ SY95 @ SV13 )
            = ( range_of @ ( restrict @ SY95 @ SV13 @ universal_class ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[148]) ).

thf(202,plain,
    ! [SV14: $i] :
      ( ( ~ ( member @ SV14 @ universal_class )
        | ( member @ ( sum_class @ SV14 ) @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[152]) ).

thf(203,plain,
    ! [SV15: $i] :
      ( ( ~ ( member @ SV15 @ universal_class )
        | ( member @ ( power_class @ SV15 ) @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[154]) ).

thf(204,plain,
    ! [SV16: $i] :
      ( ( ! [SY96: $i] : ( subclass @ ( compose @ SY96 @ SV16 ) @ ( cross_product @ universal_class @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[155]) ).

thf(205,plain,
    ! [SV17: $i] :
      ( ( ! [SY97: $i] :
            ( ~ ( function @ SY97 )
            | ~ ( member @ SV17 @ universal_class )
            | ( member @ ( image @ SY97 @ SV17 ) @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[159]) ).

thf(206,plain,
    ! [SV18: $i] :
      ( ( ! [SY98: $i] :
            ( ( apply @ SV18 @ SY98 )
            = ( sum_class @ ( image @ SV18 @ ( singleton @ SY98 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[162]) ).

thf(207,plain,
    ( ( member @ sK1_X @ universal_class )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[165]) ).

thf(208,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( member @ null_class @ SX0 )
            | ~ ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 )
            | ( inductive @ SX0 ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( inductive @ SX0 )
                  | ( member @ null_class @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( inductive @ SX0 )
                  | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[166]) ).

thf(209,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ( SX0 = null_class )
            | ( member @ ( apply @ sK2_XF @ SX0 ) @ SX0 ) )
      | ~ ( function @ sK2_XF ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[167]) ).

thf(210,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subclass @ SX0 @ SX1 )
            | ~ ( subclass @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subclass @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subclass @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[168]) ).

thf(211,plain,
    ! [SV19: $i] :
      ( ( ! [SY99: $i] :
            ~ ( ~ ! [SY100: $i,SY101: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY99 @ SY100 ) @ SY101 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
                    | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY100 @ SY101 ) @ SY99 ) @ SV19 )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SY99 @ SY100 ) @ SY101 ) @ ( rotate @ SV19 ) ) )
              | ~ ~ ( ~ ! [SY102: $i,SY103: $i] :
                          ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY99 @ SY102 ) @ SY103 ) @ ( rotate @ SV19 ) )
                          | ( member @ ( ordered_pair @ ( ordered_pair @ SY99 @ SY102 ) @ SY103 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
                    | ~ ! [SY104: $i,SY105: $i] :
                          ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY99 @ SY104 ) @ SY105 ) @ ( rotate @ SV19 ) )
                          | ( member @ ( ordered_pair @ ( ordered_pair @ SY104 @ SY105 ) @ SY99 ) @ SV19 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[169]) ).

thf(212,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) )
            | ~ ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation )
            | ( function @ SX0 ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( function @ SX0 )
                  | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( function @ SX0 )
                  | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[170]) ).

thf(213,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX0 @ SX2 )
                | ~ ( member @ SX2 @ SX1 ) )
            | ( member @ SX0 @ ( sum_class @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( sum_class @ SX1 ) )
            | ~ ( ~ ( member @ SX0 @ ( sK6_Y @ SX1 @ SX0 ) )
                | ~ ( member @ ( sK6_Y @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[171]) ).

thf(214,plain,
    ! [SV20: $i] :
      ( ( ! [SY106: $i] :
            ~ ( ~ ! [SY107: $i,SY108: $i] :
                    ( ~ ( member @ SY107 @ universal_class )
                    | ~ ( member @ SY108 @ ( image @ SY106 @ ( image @ SV20 @ ( singleton @ SY107 ) ) ) )
                    | ( member @ ( ordered_pair @ SY107 @ SY108 ) @ ( compose @ SY106 @ SV20 ) ) )
              | ~ ~ ( ~ ! [SY109: $i] :
                          ( ! [SY110: $i] :
                              ~ ( member @ ( ordered_pair @ SY109 @ SY110 ) @ ( compose @ SY106 @ SV20 ) )
                          | ( member @ SY109 @ universal_class ) )
                    | ~ ! [SY111: $i,SY112: $i] :
                          ( ~ ( member @ ( ordered_pair @ SY111 @ SY112 ) @ ( compose @ SY106 @ SV20 ) )
                          | ( member @ SY112 @ ( image @ SY106 @ ( image @ SV20 @ ( singleton @ SY111 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(215,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ universal_class )
            | ( member @ SX1 @ SX0 )
            | ( member @ SX1 @ ( complement @ SX0 ) ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                  | ( member @ SX1 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                  | ~ ( member @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[173]) ).

thf(216,plain,
    ! [SV21: $i] :
      ( ( ! [SY113: $i] :
            ~ ( ~ ! [SY114: $i,SY115: $i] :
                    ( ~ ( member @ SV21 @ SY114 )
                    | ~ ( member @ SY113 @ SY115 )
                    | ( member @ ( ordered_pair @ SV21 @ SY113 ) @ ( cross_product @ SY114 @ SY115 ) ) )
              | ~ ~ ( ~ ! [SY116: $i] :
                          ( ! [SY117: $i] :
                              ~ ( member @ ( ordered_pair @ SV21 @ SY113 ) @ ( cross_product @ SY116 @ SY117 ) )
                          | ( member @ SV21 @ SY116 ) )
                    | ~ ! [SY118: $i,SY119: $i] :
                          ( ~ ( member @ ( ordered_pair @ SV21 @ SY113 ) @ ( cross_product @ SY118 @ SY119 ) )
                          | ( member @ SY113 @ SY119 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[174]) ).

thf(217,plain,
    ! [SV22: $i] :
      ( ( ~ ( ~ ! [SY120: $i,SY121: $i] :
                  ( ~ ( member @ SY121 @ SV22 )
                  | ~ ( member @ SY121 @ SY120 )
                  | ( member @ SY121 @ ( intersection @ SV22 @ SY120 ) ) )
            | ~ ~ ( ~ ! [SY122: $i,SY123: $i] :
                        ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
                        | ( member @ SY123 @ SV22 ) )
                  | ~ ! [SY124: $i,SY125: $i] :
                        ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
                        | ( member @ SY125 @ SY124 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[175]) ).

thf(218,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( ( first @ ( ordered_pair @ SX0 @ SX1 ) )
              = SX0 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( ( second @ ( ordered_pair @ SX0 @ SX1 ) )
              = SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[176]) ).

thf(219,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( subclass @ SX0 @ SX1 )
            | ( member @ SX0 @ ( power_class @ SX1 ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ! [SX1: $i] :
                      ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                  | ( member @ SX0 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                  | ( subclass @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[177]) ).

thf(220,plain,
    ( ( ~ ! [SX0: $i] :
            ( ! [SX1: $i] :
                ( ( SX0
                 != ( ordered_pair @ SX1 @ SX1 ) )
                | ~ ( member @ SX1 @ universal_class ) )
            | ( member @ SX0 @ identity_relation ) )
      | ~ ! [SX0: $i] :
            ( ~ ( member @ SX0 @ identity_relation )
            | ~ ( ( SX0
                 != ( ordered_pair @ ( sK5_X @ SX0 ) @ ( sK5_X @ SX0 ) ) )
                | ~ ( member @ ( sK5_X @ SX0 ) @ universal_class ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[178]) ).

thf(221,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
              = null_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( member @ SX1 @ ( domain_of @ SX0 ) ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                  | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
                   != null_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                  | ( member @ SX1 @ universal_class ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[179]) ).

thf(222,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ! [SY126: $i,SY127: $i] :
                  ( ~ ( member @ SY127 @ ( union @ SV23 @ SY126 ) )
                  | ( member @ SY127 @ SV23 )
                  | ( member @ SY127 @ SY126 ) )
            | ~ ~ ( ~ ! [SY128: $i,SY129: $i] :
                        ( ~ ( member @ SY129 @ SV23 )
                        | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) )
                  | ~ ! [SY130: $i,SY131: $i] :
                        ( ~ ( member @ SY131 @ SY130 )
                        | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[180]) ).

thf(223,plain,
    ! [SV24: $i] :
      ( ( ( SV24 = null_class )
        | ~ ( ~ ~ ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class )
                  | ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) )
            | ~ ( disjoint @ ( sK3_U @ SV24 ) @ SV24 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[181]) ).

thf(224,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( inductive @ SX0 )
            | ( subclass @ sK7_X @ SX0 ) )
      | ~ ~ ( ~ ( inductive @ sK7_X )
            | ~ ( member @ sK7_X @ universal_class ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(225,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ universal_class )
            | ~ ( member @ SX0 @ SX1 )
            | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                  | ( member @ SX1 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                  | ( member @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[183]) ).

thf(226,plain,
    ! [SV25: $i] :
      ( ( ! [SY132: $i] :
            ~ ( ~ ! [SY133: $i,SY134: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SY132 ) @ SY133 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
                    | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY132 @ SV25 ) @ SY133 ) @ SY134 )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SY132 ) @ SY133 ) @ ( flip @ SY134 ) ) )
              | ~ ~ ( ~ ! [SY135: $i] :
                          ( ! [SY136: $i] :
                              ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SY132 ) @ SY135 ) @ ( flip @ SY136 ) )
                          | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SY132 ) @ SY135 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
                    | ~ ! [SY137: $i,SY138: $i] :
                          ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SY132 ) @ SY137 ) @ ( flip @ SY138 ) )
                          | ( member @ ( ordered_pair @ ( ordered_pair @ SY132 @ SV25 ) @ SY137 ) @ SY138 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[184]) ).

thf(227,plain,
    ! [SV26: $i] :
      ( ( ~ ( ~ ~ ( ~ ! [SY139: $i] :
                        ( ~ ( member @ SV26 @ universal_class )
                        | ( SV26 != SY139 )
                        | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) )
                  | ~ ! [SY141: $i,SY142: $i] :
                        ( ~ ( member @ SV26 @ universal_class )
                        | ( SV26 != SY142 )
                        | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) )
            | ~ ~ ( ~ ( ! [SY143: $i,SY144: $i] :
                          ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
                      | ( member @ SV26 @ universal_class ) )
                  | ~ ! [SY145: $i,SY146: $i] :
                        ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
                        | ( SV26 = SY145 )
                        | ( SV26 = SY146 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[185]) ).

thf(228,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX0 )
                | ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX1 ) )
            | ( disjoint @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ~ ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[186]) ).

thf(229,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX1 ) )
            | ( subclass @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subclass @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[187]) ).

thf(230,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( ( successor @ SX0 )
             != SX1 )
            | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation ) )
      | ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ! [SX1: $i] :
                            ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                        | ( member @ SX0 @ universal_class ) )
                  | ~ ! [SX0: $i,SX1: $i] :
                        ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                        | ( member @ SX1 @ universal_class ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                  | ( ( successor @ SX0 )
                    = SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[188]) ).

thf(231,plain,
    ! [SV27: $i,SV2: $i] :
      ( ( member @ ( unordered_pair @ SV2 @ SV27 ) @ universal_class )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[190]) ).

thf(232,plain,
    ! [SV28: $i,SV4: $i] :
      ( ( ( ordered_pair @ SV4 @ SV28 )
        = ( unordered_pair @ ( singleton @ SV4 ) @ ( unordered_pair @ SV4 @ ( singleton @ SV28 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[192]) ).

thf(233,plain,
    ! [SV29: $i,SV5: $i] :
      ( ( ! [SY147: $i] :
            ( ~ ( member @ SY147 @ ( cross_product @ SV5 @ SV29 ) )
            | ( SY147
              = ( ordered_pair @ ( first @ SY147 ) @ ( second @ SY147 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[193]) ).

thf(234,plain,
    ! [SV6: $i,SV30: $i] :
      ( ( ! [SY148: $i] :
            ( ( restrict @ SV30 @ SV6 @ SY148 )
            = ( intersection @ SV30 @ ( cross_product @ SV6 @ SY148 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[194]) ).

thf(235,plain,
    ! [SV7: $i] :
      ( ( member @ SV7 @ null_class )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[195]) ).

thf(236,plain,
    ! [SV13: $i,SV31: $i] :
      ( ( ( image @ SV31 @ SV13 )
        = ( range_of @ ( restrict @ SV31 @ SV13 @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[201]) ).

thf(237,plain,
    ! [SV14: $i] :
      ( ( ( ~ ( member @ SV14 @ universal_class ) )
        = $true )
      | ( ( member @ ( sum_class @ SV14 ) @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[202]) ).

thf(238,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ universal_class ) )
        = $true )
      | ( ( member @ ( power_class @ SV15 ) @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[203]) ).

thf(239,plain,
    ! [SV16: $i,SV32: $i] :
      ( ( subclass @ ( compose @ SV32 @ SV16 ) @ ( cross_product @ universal_class @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[204]) ).

thf(240,plain,
    ! [SV17: $i,SV33: $i] :
      ( ( ~ ( function @ SV33 )
        | ~ ( member @ SV17 @ universal_class )
        | ( member @ ( image @ SV33 @ SV17 ) @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(241,plain,
    ! [SV34: $i,SV18: $i] :
      ( ( ( apply @ SV18 @ SV34 )
        = ( sum_class @ ( image @ SV18 @ ( singleton @ SV34 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[206]) ).

thf(242,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( member @ null_class @ SX0 )
            | ~ ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 )
            | ( inductive @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[208]) ).

thf(243,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( inductive @ SX0 )
                  | ( member @ null_class @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( inductive @ SX0 )
                  | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[208]) ).

thf(244,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ( SX0 = null_class )
            | ( member @ ( apply @ sK2_XF @ SX0 ) @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[209]) ).

thf(245,plain,
    ( ( ~ ( function @ sK2_XF ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[209]) ).

thf(246,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subclass @ SX0 @ SX1 )
            | ~ ( subclass @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[210]) ).

thf(247,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subclass @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subclass @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[210]) ).

thf(248,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ( ~ ! [SY149: $i,SY150: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
                  | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY149 @ SY150 ) @ SV35 ) @ SV19 )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( rotate @ SV19 ) ) )
            | ~ ~ ( ~ ! [SY151: $i,SY152: $i] :
                        ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
                  | ~ ! [SY153: $i,SY154: $i] :
                        ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[211]) ).

thf(249,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) )
            | ~ ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation )
            | ( function @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[212]) ).

thf(250,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( function @ SX0 )
                  | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( function @ SX0 )
                  | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[212]) ).

thf(251,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX0 @ SX2 )
                | ~ ( member @ SX2 @ SX1 ) )
            | ( member @ SX0 @ ( sum_class @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[213]) ).

thf(252,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( sum_class @ SX1 ) )
            | ~ ( ~ ( member @ SX0 @ ( sK6_Y @ SX1 @ SX0 ) )
                | ~ ( member @ ( sK6_Y @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[213]) ).

thf(253,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ( ~ ! [SY155: $i,SY156: $i] :
                  ( ~ ( member @ SY155 @ universal_class )
                  | ~ ( member @ SY156 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY155 ) ) ) )
                  | ( member @ ( ordered_pair @ SY155 @ SY156 ) @ ( compose @ SV36 @ SV20 ) ) )
            | ~ ~ ( ~ ! [SY157: $i] :
                        ( ! [SY158: $i] :
                            ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
                        | ( member @ SY157 @ universal_class ) )
                  | ~ ! [SY159: $i,SY160: $i] :
                        ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
                        | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[214]) ).

thf(254,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ universal_class )
            | ( member @ SX1 @ SX0 )
            | ( member @ SX1 @ ( complement @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[215]) ).

thf(255,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                  | ( member @ SX1 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                  | ~ ( member @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[215]) ).

thf(256,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ( ~ ! [SY161: $i,SY162: $i] :
                  ( ~ ( member @ SV21 @ SY161 )
                  | ~ ( member @ SV37 @ SY162 )
                  | ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY161 @ SY162 ) ) )
            | ~ ~ ( ~ ! [SY163: $i] :
                        ( ! [SY164: $i] :
                            ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
                        | ( member @ SV21 @ SY163 ) )
                  | ~ ! [SY165: $i,SY166: $i] :
                        ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
                        | ( member @ SV37 @ SY166 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[216]) ).

thf(257,plain,
    ! [SV22: $i] :
      ( ( ~ ! [SY120: $i,SY121: $i] :
              ( ~ ( member @ SY121 @ SV22 )
              | ~ ( member @ SY121 @ SY120 )
              | ( member @ SY121 @ ( intersection @ SV22 @ SY120 ) ) )
        | ~ ~ ( ~ ! [SY122: $i,SY123: $i] :
                    ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
                    | ( member @ SY123 @ SV22 ) )
              | ~ ! [SY124: $i,SY125: $i] :
                    ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
                    | ( member @ SY125 @ SY124 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(258,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( ( first @ ( ordered_pair @ SX0 @ SX1 ) )
              = SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[218]) ).

thf(259,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( ( second @ ( ordered_pair @ SX0 @ SX1 ) )
              = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[218]) ).

thf(260,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( subclass @ SX0 @ SX1 )
            | ( member @ SX0 @ ( power_class @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[219]) ).

thf(261,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ! [SX1: $i] :
                      ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                  | ( member @ SX0 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                  | ( subclass @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[219]) ).

thf(262,plain,
    ( ( ~ ! [SX0: $i] :
            ( ! [SX1: $i] :
                ( ( SX0
                 != ( ordered_pair @ SX1 @ SX1 ) )
                | ~ ( member @ SX1 @ universal_class ) )
            | ( member @ SX0 @ identity_relation ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[220]) ).

thf(263,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( member @ SX0 @ identity_relation )
            | ~ ( ( SX0
                 != ( ordered_pair @ ( sK5_X @ SX0 ) @ ( sK5_X @ SX0 ) ) )
                | ~ ( member @ ( sK5_X @ SX0 ) @ universal_class ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[220]) ).

thf(264,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
              = null_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( member @ SX1 @ ( domain_of @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[221]) ).

thf(265,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                  | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
                   != null_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                  | ( member @ SX1 @ universal_class ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[221]) ).

thf(266,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY126: $i,SY127: $i] :
              ( ~ ( member @ SY127 @ ( union @ SV23 @ SY126 ) )
              | ( member @ SY127 @ SV23 )
              | ( member @ SY127 @ SY126 ) )
        | ~ ~ ( ~ ! [SY128: $i,SY129: $i] :
                    ( ~ ( member @ SY129 @ SV23 )
                    | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) )
              | ~ ! [SY130: $i,SY131: $i] :
                    ( ~ ( member @ SY131 @ SY130 )
                    | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[222]) ).

thf(267,plain,
    ! [SV24: $i] :
      ( ( ( SV24 = null_class )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class )
                    | ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) )
              | ~ ( disjoint @ ( sK3_U @ SV24 ) @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[223]) ).

thf(268,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( inductive @ SX0 )
            | ( subclass @ sK7_X @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[224]) ).

thf(269,plain,
    ( ( ~ ~ ( ~ ( inductive @ sK7_X )
            | ~ ( member @ sK7_X @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[224]) ).

thf(270,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ universal_class )
            | ~ ( member @ SX0 @ SX1 )
            | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[225]) ).

thf(271,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                  | ( member @ SX1 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                  | ( member @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[225]) ).

thf(272,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ( ~ ! [SY167: $i,SY168: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
                  | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY167 ) @ SY168 )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( flip @ SY168 ) ) )
            | ~ ~ ( ~ ! [SY169: $i] :
                        ( ! [SY170: $i] :
                            ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
                  | ~ ! [SY171: $i,SY172: $i] :
                        ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
                        | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[226]) ).

thf(273,plain,
    ! [SV26: $i] :
      ( ( ~ ~ ( ~ ! [SY139: $i] :
                    ( ~ ( member @ SV26 @ universal_class )
                    | ( SV26 != SY139 )
                    | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) )
              | ~ ! [SY141: $i,SY142: $i] :
                    ( ~ ( member @ SV26 @ universal_class )
                    | ( SV26 != SY142 )
                    | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) )
        | ~ ~ ( ~ ( ! [SY143: $i,SY144: $i] :
                      ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
                  | ( member @ SV26 @ universal_class ) )
              | ~ ! [SY145: $i,SY146: $i] :
                    ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
                    | ( SV26 = SY145 )
                    | ( SV26 = SY146 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[227]) ).

thf(274,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX0 )
                | ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX1 ) )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[228]) ).

thf(275,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ~ ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[228]) ).

thf(276,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX1 ) )
            | ( subclass @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[229]) ).

thf(277,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subclass @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[229]) ).

thf(278,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ universal_class )
            | ~ ( member @ SX1 @ universal_class )
            | ( ( successor @ SX0 )
             != SX1 )
            | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[230]) ).

thf(279,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ! [SX1: $i] :
                            ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                        | ( member @ SX0 @ universal_class ) )
                  | ~ ! [SX0: $i,SX1: $i] :
                        ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                        | ( member @ SX1 @ universal_class ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                  | ( ( successor @ SX0 )
                    = SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[230]) ).

thf(280,plain,
    ! [SV29: $i,SV5: $i,SV39: $i] :
      ( ( ~ ( member @ SV39 @ ( cross_product @ SV5 @ SV29 ) )
        | ( SV39
          = ( ordered_pair @ ( first @ SV39 ) @ ( second @ SV39 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[233]) ).

thf(281,plain,
    ! [SV40: $i,SV6: $i,SV30: $i] :
      ( ( ( restrict @ SV30 @ SV6 @ SV40 )
        = ( intersection @ SV30 @ ( cross_product @ SV6 @ SV40 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[234]) ).

thf(282,plain,
    ! [SV14: $i] :
      ( ( ( member @ SV14 @ universal_class )
        = $false )
      | ( ( member @ ( sum_class @ SV14 ) @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[237]) ).

thf(283,plain,
    ! [SV15: $i] :
      ( ( ( member @ SV15 @ universal_class )
        = $false )
      | ( ( member @ ( power_class @ SV15 ) @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[238]) ).

thf(284,plain,
    ! [SV17: $i,SV33: $i] :
      ( ( ( ~ ( function @ SV33 )
          | ~ ( member @ SV17 @ universal_class ) )
        = $true )
      | ( ( member @ ( image @ SV33 @ SV17 ) @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[240]) ).

thf(285,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( member @ null_class @ SX0 )
          | ~ ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 )
          | ( inductive @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[242]) ).

thf(286,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( inductive @ SX0 )
                | ( member @ null_class @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( inductive @ SX0 )
                | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[243]) ).

thf(287,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( member @ SX0 @ universal_class )
          | ( SX0 = null_class )
          | ( member @ ( apply @ sK2_XF @ SX0 ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[244]) ).

thf(288,plain,
    ( ( function @ sK2_XF )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[245]) ).

thf(289,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subclass @ SX0 @ SX1 )
          | ~ ( subclass @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[246]) ).

thf(290,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subclass @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subclass @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[247]) ).

thf(291,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ! [SY149: $i,SY150: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY149 @ SY150 ) @ SV35 ) @ SV19 )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( rotate @ SV19 ) ) )
        | ~ ~ ( ~ ! [SY151: $i,SY152: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
              | ~ ! [SY153: $i,SY154: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[248]) ).

thf(292,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) )
          | ~ ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation )
          | ( function @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[249]) ).

thf(293,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( function @ SX0 )
                | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( function @ SX0 )
                | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[250]) ).

thf(294,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( member @ SX0 @ SX2 )
              | ~ ( member @ SX2 @ SX1 ) )
          | ( member @ SX0 @ ( sum_class @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[251]) ).

thf(295,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ ( sum_class @ SX1 ) )
          | ~ ( ~ ( member @ SX0 @ ( sK6_Y @ SX1 @ SX0 ) )
              | ~ ( member @ ( sK6_Y @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[252]) ).

thf(296,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ! [SY155: $i,SY156: $i] :
              ( ~ ( member @ SY155 @ universal_class )
              | ~ ( member @ SY156 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY155 ) ) ) )
              | ( member @ ( ordered_pair @ SY155 @ SY156 ) @ ( compose @ SV36 @ SV20 ) ) )
        | ~ ~ ( ~ ! [SY157: $i] :
                    ( ! [SY158: $i] :
                        ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
                    | ( member @ SY157 @ universal_class ) )
              | ~ ! [SY159: $i,SY160: $i] :
                    ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
                    | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[253]) ).

thf(297,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX1 @ universal_class )
          | ( member @ SX1 @ SX0 )
          | ( member @ SX1 @ ( complement @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[254]) ).

thf(298,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                | ( member @ SX1 @ universal_class ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
                | ~ ( member @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[255]) ).

thf(299,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ! [SY161: $i,SY162: $i] :
              ( ~ ( member @ SV21 @ SY161 )
              | ~ ( member @ SV37 @ SY162 )
              | ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY161 @ SY162 ) ) )
        | ~ ~ ( ~ ! [SY163: $i] :
                    ( ! [SY164: $i] :
                        ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
                    | ( member @ SV21 @ SY163 ) )
              | ~ ! [SY165: $i,SY166: $i] :
                    ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
                    | ( member @ SV37 @ SY166 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[256]) ).

thf(300,plain,
    ! [SV22: $i] :
      ( ( ~ ! [SY120: $i,SY121: $i] :
              ( ~ ( member @ SY121 @ SV22 )
              | ~ ( member @ SY121 @ SY120 )
              | ( member @ SY121 @ ( intersection @ SV22 @ SY120 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[257]) ).

thf(301,plain,
    ! [SV22: $i] :
      ( ( ~ ~ ( ~ ! [SY122: $i,SY123: $i] :
                    ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
                    | ( member @ SY123 @ SV22 ) )
              | ~ ! [SY124: $i,SY125: $i] :
                    ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
                    | ( member @ SY125 @ SY124 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[257]) ).

thf(302,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ universal_class )
          | ~ ( member @ SX1 @ universal_class )
          | ( ( first @ ( ordered_pair @ SX0 @ SX1 ) )
            = SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[258]) ).

thf(303,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ universal_class )
          | ~ ( member @ SX1 @ universal_class )
          | ( ( second @ ( ordered_pair @ SX0 @ SX1 ) )
            = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[259]) ).

thf(304,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ universal_class )
          | ~ ( subclass @ SX0 @ SX1 )
          | ( member @ SX0 @ ( power_class @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[260]) ).

thf(305,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ! [SX1: $i] :
                    ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                | ( member @ SX0 @ universal_class ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
                | ( subclass @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[261]) ).

thf(306,plain,
    ( ( ! [SX0: $i] :
          ( ! [SX1: $i] :
              ( ( SX0
               != ( ordered_pair @ SX1 @ SX1 ) )
              | ~ ( member @ SX1 @ universal_class ) )
          | ( member @ SX0 @ identity_relation ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[262]) ).

thf(307,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( member @ SX0 @ identity_relation )
          | ~ ( ( SX0
               != ( ordered_pair @ ( sK5_X @ SX0 ) @ ( sK5_X @ SX0 ) ) )
              | ~ ( member @ ( sK5_X @ SX0 ) @ universal_class ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[263]) ).

thf(308,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
            = null_class )
          | ~ ( member @ SX1 @ universal_class )
          | ( member @ SX1 @ ( domain_of @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[264]) ).

thf(309,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
                 != null_class ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
                | ( member @ SX1 @ universal_class ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[265]) ).

thf(310,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY126: $i,SY127: $i] :
              ( ~ ( member @ SY127 @ ( union @ SV23 @ SY126 ) )
              | ( member @ SY127 @ SV23 )
              | ( member @ SY127 @ SY126 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[266]) ).

thf(311,plain,
    ! [SV23: $i] :
      ( ( ~ ~ ( ~ ! [SY128: $i,SY129: $i] :
                    ( ~ ( member @ SY129 @ SV23 )
                    | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) )
              | ~ ! [SY130: $i,SY131: $i] :
                    ( ~ ( member @ SY131 @ SY130 )
                    | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[266]) ).

thf(312,plain,
    ! [SV24: $i] :
      ( ( ( ~ ~ ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class )
                | ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) )
          | ~ ( disjoint @ ( sK3_U @ SV24 ) @ SV24 ) )
        = $false )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[267]) ).

thf(313,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( inductive @ SX0 )
          | ( subclass @ sK7_X @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[268]) ).

thf(314,plain,
    ( ( ~ ( ~ ( inductive @ sK7_X )
          | ~ ( member @ sK7_X @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[269]) ).

thf(315,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX1 @ universal_class )
          | ~ ( member @ SX0 @ SX1 )
          | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[270]) ).

thf(316,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                | ( member @ SX1 @ universal_class ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
                | ( member @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[271]) ).

thf(317,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ! [SY167: $i,SY168: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY167 ) @ SY168 )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( flip @ SY168 ) ) )
        | ~ ~ ( ~ ! [SY169: $i] :
                    ( ! [SY170: $i] :
                        ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
              | ~ ! [SY171: $i,SY172: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[272]) ).

thf(318,plain,
    ! [SV26: $i] :
      ( ( ~ ~ ( ~ ! [SY139: $i] :
                    ( ~ ( member @ SV26 @ universal_class )
                    | ( SV26 != SY139 )
                    | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) )
              | ~ ! [SY141: $i,SY142: $i] :
                    ( ~ ( member @ SV26 @ universal_class )
                    | ( SV26 != SY142 )
                    | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[273]) ).

thf(319,plain,
    ! [SV26: $i] :
      ( ( ~ ~ ( ~ ( ! [SY143: $i,SY144: $i] :
                      ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
                  | ( member @ SV26 @ universal_class ) )
              | ~ ! [SY145: $i,SY146: $i] :
                    ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
                    | ( SV26 = SY145 )
                    | ( SV26 = SY146 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[273]) ).

thf(320,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX0 )
              | ~ ( member @ ( sK4_U @ SX1 @ SX0 ) @ SX1 ) )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[274]) ).

thf(321,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ~ ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[275]) ).

thf(322,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK8_U @ SX1 @ SX0 ) @ SX1 ) )
          | ( subclass @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[276]) ).

thf(323,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subclass @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[277]) ).

thf(324,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ universal_class )
          | ~ ( member @ SX1 @ universal_class )
          | ( ( successor @ SX0 )
           != SX1 )
          | ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[278]) ).

thf(325,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ! [SX1: $i] :
                          ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                      | ( member @ SX0 @ universal_class ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                      | ( member @ SX1 @ universal_class ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                | ( ( successor @ SX0 )
                  = SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[279]) ).

thf(326,plain,
    ! [SV29: $i,SV5: $i,SV39: $i] :
      ( ( ( ~ ( member @ SV39 @ ( cross_product @ SV5 @ SV29 ) ) )
        = $true )
      | ( ( SV39
          = ( ordered_pair @ ( first @ SV39 ) @ ( second @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[280]) ).

thf(327,plain,
    ! [SV17: $i,SV33: $i] :
      ( ( ( ~ ( function @ SV33 ) )
        = $true )
      | ( ( ~ ( member @ SV17 @ universal_class ) )
        = $true )
      | ( ( member @ ( image @ SV33 @ SV17 ) @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[284]) ).

thf(328,plain,
    ! [SV41: $i] :
      ( ( ~ ( member @ null_class @ SV41 )
        | ~ ( subclass @ ( image @ successor_relation @ SV41 ) @ SV41 )
        | ( inductive @ SV41 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[285]) ).

thf(329,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( inductive @ SX0 )
            | ( member @ null_class @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( inductive @ SX0 )
            | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[286]) ).

thf(330,plain,
    ! [SV42: $i] :
      ( ( ~ ( member @ SV42 @ universal_class )
        | ( SV42 = null_class )
        | ( member @ ( apply @ sK2_XF @ SV42 ) @ SV42 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[287]) ).

thf(331,plain,
    ! [SV43: $i] :
      ( ( ! [SY173: $i] :
            ( ~ ( subclass @ SV43 @ SY173 )
            | ~ ( subclass @ SY173 @ SV43 )
            | ( SV43 = SY173 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[289]) ).

thf(332,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subclass @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subclass @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[290]) ).

thf(333,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ! [SY149: $i,SY150: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY149 @ SY150 ) @ SV35 ) @ SV19 )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( rotate @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[291]) ).

thf(334,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ~ ( ~ ! [SY151: $i,SY152: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
              | ~ ! [SY153: $i,SY154: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[291]) ).

thf(335,plain,
    ! [SV44: $i] :
      ( ( ~ ( subclass @ SV44 @ ( cross_product @ universal_class @ universal_class ) )
        | ~ ( subclass @ ( compose @ SV44 @ ( inverse @ SV44 ) ) @ identity_relation )
        | ( function @ SV44 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[292]) ).

thf(336,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[293]) ).

thf(337,plain,
    ! [SV45: $i] :
      ( ( ! [SY174: $i] :
            ( ! [SY175: $i] :
                ( ~ ( member @ SV45 @ SY175 )
                | ~ ( member @ SY175 @ SY174 ) )
            | ( member @ SV45 @ ( sum_class @ SY174 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[294]) ).

thf(338,plain,
    ! [SV46: $i] :
      ( ( ! [SY176: $i] :
            ( ~ ( member @ SV46 @ ( sum_class @ SY176 ) )
            | ~ ( ~ ( member @ SV46 @ ( sK6_Y @ SY176 @ SV46 ) )
                | ~ ( member @ ( sK6_Y @ SY176 @ SV46 ) @ SY176 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[295]) ).

thf(339,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ! [SY155: $i,SY156: $i] :
              ( ~ ( member @ SY155 @ universal_class )
              | ~ ( member @ SY156 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY155 ) ) ) )
              | ( member @ ( ordered_pair @ SY155 @ SY156 ) @ ( compose @ SV36 @ SV20 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(340,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ~ ( ~ ! [SY157: $i] :
                    ( ! [SY158: $i] :
                        ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
                    | ( member @ SY157 @ universal_class ) )
              | ~ ! [SY159: $i,SY160: $i] :
                    ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
                    | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(341,plain,
    ! [SV47: $i] :
      ( ( ! [SY177: $i] :
            ( ~ ( member @ SY177 @ universal_class )
            | ( member @ SY177 @ SV47 )
            | ( member @ SY177 @ ( complement @ SV47 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[297]) ).

thf(342,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
            | ( member @ SX1 @ universal_class ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
            | ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[298]) ).

thf(343,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ! [SY161: $i,SY162: $i] :
              ( ~ ( member @ SV21 @ SY161 )
              | ~ ( member @ SV37 @ SY162 )
              | ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY161 @ SY162 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[299]) ).

thf(344,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ~ ( ~ ! [SY163: $i] :
                    ( ! [SY164: $i] :
                        ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
                    | ( member @ SV21 @ SY163 ) )
              | ~ ! [SY165: $i,SY166: $i] :
                    ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
                    | ( member @ SV37 @ SY166 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[299]) ).

thf(345,plain,
    ! [SV22: $i] :
      ( ( ! [SY120: $i,SY121: $i] :
            ( ~ ( member @ SY121 @ SV22 )
            | ~ ( member @ SY121 @ SY120 )
            | ( member @ SY121 @ ( intersection @ SV22 @ SY120 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[300]) ).

thf(346,plain,
    ! [SV22: $i] :
      ( ( ~ ( ~ ! [SY122: $i,SY123: $i] :
                  ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
                  | ( member @ SY123 @ SV22 ) )
            | ~ ! [SY124: $i,SY125: $i] :
                  ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
                  | ( member @ SY125 @ SY124 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[301]) ).

thf(347,plain,
    ! [SV48: $i] :
      ( ( ! [SY178: $i] :
            ( ~ ( member @ SV48 @ universal_class )
            | ~ ( member @ SY178 @ universal_class )
            | ( ( first @ ( ordered_pair @ SV48 @ SY178 ) )
              = SV48 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[302]) ).

thf(348,plain,
    ! [SV49: $i] :
      ( ( ! [SY179: $i] :
            ( ~ ( member @ SV49 @ universal_class )
            | ~ ( member @ SY179 @ universal_class )
            | ( ( second @ ( ordered_pair @ SV49 @ SY179 ) )
              = SY179 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[303]) ).

thf(349,plain,
    ! [SV50: $i] :
      ( ( ! [SY180: $i] :
            ( ~ ( member @ SV50 @ universal_class )
            | ~ ( subclass @ SV50 @ SY180 )
            | ( member @ SV50 @ ( power_class @ SY180 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[304]) ).

thf(350,plain,
    ( ( ~ ! [SX0: $i] :
            ( ! [SX1: $i] :
                ~ ( member @ SX0 @ ( power_class @ SX1 ) )
            | ( member @ SX0 @ universal_class ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
            | ( subclass @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[305]) ).

thf(351,plain,
    ! [SV51: $i] :
      ( ( ! [SY181: $i] :
            ( ( SV51
             != ( ordered_pair @ SY181 @ SY181 ) )
            | ~ ( member @ SY181 @ universal_class ) )
        | ( member @ SV51 @ identity_relation ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[306]) ).

thf(352,plain,
    ! [SV52: $i] :
      ( ( ~ ( member @ SV52 @ identity_relation )
        | ~ ( ( SV52
             != ( ordered_pair @ ( sK5_X @ SV52 ) @ ( sK5_X @ SV52 ) ) )
            | ~ ( member @ ( sK5_X @ SV52 ) @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[307]) ).

thf(353,plain,
    ! [SV53: $i] :
      ( ( ! [SY182: $i] :
            ( ( ( restrict @ SV53 @ ( singleton @ SY182 ) @ universal_class )
              = null_class )
            | ~ ( member @ SY182 @ universal_class )
            | ( member @ SY182 @ ( domain_of @ SV53 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[308]) ).

thf(354,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
            | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
             != null_class ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
            | ( member @ SX1 @ universal_class ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[309]) ).

thf(355,plain,
    ! [SV23: $i] :
      ( ( ! [SY126: $i,SY127: $i] :
            ( ~ ( member @ SY127 @ ( union @ SV23 @ SY126 ) )
            | ( member @ SY127 @ SV23 )
            | ( member @ SY127 @ SY126 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[310]) ).

thf(356,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ! [SY128: $i,SY129: $i] :
                  ( ~ ( member @ SY129 @ SV23 )
                  | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) )
            | ~ ! [SY130: $i,SY131: $i] :
                  ( ~ ( member @ SY131 @ SY130 )
                  | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[311]) ).

thf(357,plain,
    ! [SV24: $i] :
      ( ( ( ~ ~ ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class )
                | ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) ) )
        = $false )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[312]) ).

thf(358,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( disjoint @ ( sK3_U @ SV24 ) @ SV24 ) )
        = $false )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[312]) ).

thf(359,plain,
    ! [SV54: $i] :
      ( ( ~ ( inductive @ SV54 )
        | ( subclass @ sK7_X @ SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[313]) ).

thf(360,plain,
    ( ( ~ ( inductive @ sK7_X )
      | ~ ( member @ sK7_X @ universal_class ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[314]) ).

thf(361,plain,
    ! [SV55: $i] :
      ( ( ! [SY183: $i] :
            ( ~ ( member @ SY183 @ universal_class )
            | ~ ( member @ SV55 @ SY183 )
            | ( member @ ( ordered_pair @ SV55 @ SY183 ) @ element_relation ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[315]) ).

thf(362,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
            | ( member @ SX1 @ universal_class ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
            | ( member @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[316]) ).

thf(363,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ! [SY167: $i,SY168: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
              | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY167 ) @ SY168 )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( flip @ SY168 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[317]) ).

thf(364,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ~ ( ~ ! [SY169: $i] :
                    ( ! [SY170: $i] :
                        ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
              | ~ ! [SY171: $i,SY172: $i] :
                    ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
                    | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[317]) ).

thf(365,plain,
    ! [SV26: $i] :
      ( ( ~ ( ~ ! [SY139: $i] :
                  ( ~ ( member @ SV26 @ universal_class )
                  | ( SV26 != SY139 )
                  | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) )
            | ~ ! [SY141: $i,SY142: $i] :
                  ( ~ ( member @ SV26 @ universal_class )
                  | ( SV26 != SY142 )
                  | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[318]) ).

thf(366,plain,
    ! [SV26: $i] :
      ( ( ~ ( ~ ( ! [SY143: $i,SY144: $i] :
                    ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
                | ( member @ SV26 @ universal_class ) )
            | ~ ! [SY145: $i,SY146: $i] :
                  ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
                  | ( SV26 = SY145 )
                  | ( SV26 = SY146 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[319]) ).

thf(367,plain,
    ! [SV56: $i] :
      ( ( ! [SY184: $i] :
            ( ~ ( ~ ( member @ ( sK4_U @ SY184 @ SV56 ) @ SV56 )
                | ~ ( member @ ( sK4_U @ SY184 @ SV56 ) @ SY184 ) )
            | ( disjoint @ SV56 @ SY184 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[320]) ).

thf(368,plain,
    ! [SV57: $i] :
      ( ( ! [SY185: $i] :
            ( ~ ( disjoint @ SV57 @ SY185 )
            | ! [SY186: $i] :
                ( ~ ( member @ SY186 @ SV57 )
                | ~ ( member @ SY186 @ SY185 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[321]) ).

thf(369,plain,
    ! [SV58: $i] :
      ( ( ! [SY187: $i] :
            ( ~ ( ~ ( member @ ( sK8_U @ SY187 @ SV58 ) @ SV58 )
                | ~ ~ ( member @ ( sK8_U @ SY187 @ SV58 ) @ SY187 ) )
            | ( subclass @ SV58 @ SY187 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[322]) ).

thf(370,plain,
    ! [SV59: $i] :
      ( ( ! [SY188: $i] :
            ( ~ ( subclass @ SV59 @ SY188 )
            | ! [SY189: $i] :
                ( ~ ( member @ SY189 @ SV59 )
                | ( member @ SY189 @ SY188 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[323]) ).

thf(371,plain,
    ! [SV60: $i] :
      ( ( ! [SY190: $i] :
            ( ~ ( member @ SV60 @ universal_class )
            | ~ ( member @ SY190 @ universal_class )
            | ( ( successor @ SV60 )
             != SY190 )
            | ( member @ ( ordered_pair @ SV60 @ SY190 ) @ successor_relation ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[324]) ).

thf(372,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ! [SX1: $i] :
                      ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                  | ( member @ SX0 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                  | ( member @ SX1 @ universal_class ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
            | ( ( successor @ SX0 )
              = SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[325]) ).

thf(373,plain,
    ! [SV29: $i,SV5: $i,SV39: $i] :
      ( ( ( member @ SV39 @ ( cross_product @ SV5 @ SV29 ) )
        = $false )
      | ( ( SV39
          = ( ordered_pair @ ( first @ SV39 ) @ ( second @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[326]) ).

thf(374,plain,
    ! [SV17: $i,SV33: $i] :
      ( ( ( function @ SV33 )
        = $false )
      | ( ( ~ ( member @ SV17 @ universal_class ) )
        = $true )
      | ( ( member @ ( image @ SV33 @ SV17 ) @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[327]) ).

thf(375,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( member @ null_class @ SV41 )
          | ~ ( subclass @ ( image @ successor_relation @ SV41 ) @ SV41 ) )
        = $true )
      | ( ( inductive @ SV41 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[328]) ).

thf(376,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( inductive @ SX0 )
            | ( member @ null_class @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[329]) ).

thf(377,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( inductive @ SX0 )
            | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[329]) ).

thf(378,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( member @ SV42 @ universal_class ) )
        = $true )
      | ( ( ( SV42 = null_class )
          | ( member @ ( apply @ sK2_XF @ SV42 ) @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[330]) ).

thf(379,plain,
    ! [SV61: $i,SV43: $i] :
      ( ( ~ ( subclass @ SV43 @ SV61 )
        | ~ ( subclass @ SV61 @ SV43 )
        | ( SV43 = SV61 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[331]) ).

thf(380,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subclass @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[332]) ).

thf(381,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subclass @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[332]) ).

thf(382,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ! [SY149: $i,SY150: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
            | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SY149 @ SY150 ) @ SV35 ) @ SV19 )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY149 ) @ SY150 ) @ ( rotate @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[333]) ).

thf(383,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ( ~ ! [SY151: $i,SY152: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
            | ~ ! [SY153: $i,SY154: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[334]) ).

thf(384,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( subclass @ SV44 @ ( cross_product @ universal_class @ universal_class ) )
          | ~ ( subclass @ ( compose @ SV44 @ ( inverse @ SV44 ) ) @ identity_relation ) )
        = $true )
      | ( ( function @ SV44 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[335]) ).

thf(385,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[336]) ).

thf(386,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[336]) ).

thf(387,plain,
    ! [SV62: $i,SV45: $i] :
      ( ( ! [SY191: $i] :
            ( ~ ( member @ SV45 @ SY191 )
            | ~ ( member @ SY191 @ SV62 ) )
        | ( member @ SV45 @ ( sum_class @ SV62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[337]) ).

thf(388,plain,
    ! [SV63: $i,SV46: $i] :
      ( ( ~ ( member @ SV46 @ ( sum_class @ SV63 ) )
        | ~ ( ~ ( member @ SV46 @ ( sK6_Y @ SV63 @ SV46 ) )
            | ~ ( member @ ( sK6_Y @ SV63 @ SV46 ) @ SV63 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[338]) ).

thf(389,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ! [SY155: $i,SY156: $i] :
            ( ~ ( member @ SY155 @ universal_class )
            | ~ ( member @ SY156 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY155 ) ) ) )
            | ( member @ ( ordered_pair @ SY155 @ SY156 ) @ ( compose @ SV36 @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[339]) ).

thf(390,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ( ~ ! [SY157: $i] :
                  ( ! [SY158: $i] :
                      ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
                  | ( member @ SY157 @ universal_class ) )
            | ~ ! [SY159: $i,SY160: $i] :
                  ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
                  | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[340]) ).

thf(391,plain,
    ! [SV47: $i,SV64: $i] :
      ( ( ~ ( member @ SV64 @ universal_class )
        | ( member @ SV64 @ SV47 )
        | ( member @ SV64 @ ( complement @ SV47 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[341]) ).

thf(392,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
            | ( member @ SX1 @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[342]) ).

thf(393,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
            | ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[342]) ).

thf(394,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ! [SY161: $i,SY162: $i] :
            ( ~ ( member @ SV21 @ SY161 )
            | ~ ( member @ SV37 @ SY162 )
            | ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY161 @ SY162 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[343]) ).

thf(395,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ( ~ ! [SY163: $i] :
                  ( ! [SY164: $i] :
                      ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
                  | ( member @ SV21 @ SY163 ) )
            | ~ ! [SY165: $i,SY166: $i] :
                  ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
                  | ( member @ SV37 @ SY166 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[344]) ).

thf(396,plain,
    ! [SV65: $i,SV22: $i] :
      ( ( ! [SY192: $i] :
            ( ~ ( member @ SY192 @ SV22 )
            | ~ ( member @ SY192 @ SV65 )
            | ( member @ SY192 @ ( intersection @ SV22 @ SV65 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[345]) ).

thf(397,plain,
    ! [SV22: $i] :
      ( ( ~ ! [SY122: $i,SY123: $i] :
              ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
              | ( member @ SY123 @ SV22 ) )
        | ~ ! [SY124: $i,SY125: $i] :
              ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
              | ( member @ SY125 @ SY124 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[346]) ).

thf(398,plain,
    ! [SV66: $i,SV48: $i] :
      ( ( ~ ( member @ SV48 @ universal_class )
        | ~ ( member @ SV66 @ universal_class )
        | ( ( first @ ( ordered_pair @ SV48 @ SV66 ) )
          = SV48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[347]) ).

thf(399,plain,
    ! [SV67: $i,SV49: $i] :
      ( ( ~ ( member @ SV49 @ universal_class )
        | ~ ( member @ SV67 @ universal_class )
        | ( ( second @ ( ordered_pair @ SV49 @ SV67 ) )
          = SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[348]) ).

thf(400,plain,
    ! [SV68: $i,SV50: $i] :
      ( ( ~ ( member @ SV50 @ universal_class )
        | ~ ( subclass @ SV50 @ SV68 )
        | ( member @ SV50 @ ( power_class @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[349]) ).

thf(401,plain,
    ( ( ~ ! [SX0: $i] :
            ( ! [SX1: $i] :
                ~ ( member @ SX0 @ ( power_class @ SX1 ) )
            | ( member @ SX0 @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[350]) ).

thf(402,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
            | ( subclass @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[350]) ).

thf(403,plain,
    ! [SV51: $i] :
      ( ( ( ! [SY181: $i] :
              ( ( SV51
               != ( ordered_pair @ SY181 @ SY181 ) )
              | ~ ( member @ SY181 @ universal_class ) ) )
        = $true )
      | ( ( member @ SV51 @ identity_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[351]) ).

thf(404,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( member @ SV52 @ identity_relation ) )
        = $true )
      | ( ( ~ ( ( SV52
               != ( ordered_pair @ ( sK5_X @ SV52 ) @ ( sK5_X @ SV52 ) ) )
              | ~ ( member @ ( sK5_X @ SV52 ) @ universal_class ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[352]) ).

thf(405,plain,
    ! [SV69: $i,SV53: $i] :
      ( ( ( ( restrict @ SV53 @ ( singleton @ SV69 ) @ universal_class )
          = null_class )
        | ~ ( member @ SV69 @ universal_class )
        | ( member @ SV69 @ ( domain_of @ SV53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[353]) ).

thf(406,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
            | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
             != null_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[354]) ).

thf(407,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
            | ( member @ SX1 @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[354]) ).

thf(408,plain,
    ! [SV70: $i,SV23: $i] :
      ( ( ! [SY193: $i] :
            ( ~ ( member @ SY193 @ ( union @ SV23 @ SV70 ) )
            | ( member @ SY193 @ SV23 )
            | ( member @ SY193 @ SV70 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[355]) ).

thf(409,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY128: $i,SY129: $i] :
              ( ~ ( member @ SY129 @ SV23 )
              | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) )
        | ~ ! [SY130: $i,SY131: $i] :
              ( ~ ( member @ SY131 @ SY130 )
              | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[356]) ).

thf(410,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class )
              | ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) ) )
        = $true )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[357]) ).

thf(411,plain,
    ! [SV24: $i] :
      ( ( ( disjoint @ ( sK3_U @ SV24 ) @ SV24 )
        = $true )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[358]) ).

thf(412,plain,
    ! [SV54: $i] :
      ( ( ( ~ ( inductive @ SV54 ) )
        = $true )
      | ( ( subclass @ sK7_X @ SV54 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[359]) ).

thf(413,plain,
    ( ( ~ ( inductive @ sK7_X ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[360]) ).

thf(414,plain,
    ( ( ~ ( member @ sK7_X @ universal_class ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[360]) ).

thf(415,plain,
    ! [SV55: $i,SV71: $i] :
      ( ( ~ ( member @ SV71 @ universal_class )
        | ~ ( member @ SV55 @ SV71 )
        | ( member @ ( ordered_pair @ SV55 @ SV71 ) @ element_relation ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[361]) ).

thf(416,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
            | ( member @ SX1 @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[362]) ).

thf(417,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
            | ( member @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[362]) ).

thf(418,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ! [SY167: $i,SY168: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
            | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY167 ) @ SY168 )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY167 ) @ ( flip @ SY168 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[363]) ).

thf(419,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ( ~ ! [SY169: $i] :
                  ( ! [SY170: $i] :
                      ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
            | ~ ! [SY171: $i,SY172: $i] :
                  ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
                  | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[364]) ).

thf(420,plain,
    ! [SV26: $i] :
      ( ( ~ ! [SY139: $i] :
              ( ~ ( member @ SV26 @ universal_class )
              | ( SV26 != SY139 )
              | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) )
        | ~ ! [SY141: $i,SY142: $i] :
              ( ~ ( member @ SV26 @ universal_class )
              | ( SV26 != SY142 )
              | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[365]) ).

thf(421,plain,
    ! [SV26: $i] :
      ( ( ~ ( ! [SY143: $i,SY144: $i] :
                ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
            | ( member @ SV26 @ universal_class ) )
        | ~ ! [SY145: $i,SY146: $i] :
              ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
              | ( SV26 = SY145 )
              | ( SV26 = SY146 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[366]) ).

thf(422,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ~ ( ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV56 )
            | ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV72 ) )
        | ( disjoint @ SV56 @ SV72 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[367]) ).

thf(423,plain,
    ! [SV73: $i,SV57: $i] :
      ( ( ~ ( disjoint @ SV57 @ SV73 )
        | ! [SY194: $i] :
            ( ~ ( member @ SY194 @ SV57 )
            | ~ ( member @ SY194 @ SV73 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[368]) ).

thf(424,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ~ ( ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV58 )
            | ~ ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV74 ) )
        | ( subclass @ SV58 @ SV74 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[369]) ).

thf(425,plain,
    ! [SV75: $i,SV59: $i] :
      ( ( ~ ( subclass @ SV59 @ SV75 )
        | ! [SY195: $i] :
            ( ~ ( member @ SY195 @ SV59 )
            | ( member @ SY195 @ SV75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[370]) ).

thf(426,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ~ ( member @ SV60 @ universal_class )
        | ~ ( member @ SV76 @ universal_class )
        | ( ( successor @ SV60 )
         != SV76 )
        | ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[371]) ).

thf(427,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ! [SX1: $i] :
                      ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                  | ( member @ SX0 @ universal_class ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                  | ( member @ SX1 @ universal_class ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[372]) ).

thf(428,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
            | ( ( successor @ SX0 )
              = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[372]) ).

thf(429,plain,
    ! [SV33: $i,SV17: $i] :
      ( ( ( member @ SV17 @ universal_class )
        = $false )
      | ( ( function @ SV33 )
        = $false )
      | ( ( member @ ( image @ SV33 @ SV17 ) @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[374]) ).

thf(430,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( member @ null_class @ SV41 ) )
        = $true )
      | ( ( ~ ( subclass @ ( image @ successor_relation @ SV41 ) @ SV41 ) )
        = $true )
      | ( ( inductive @ SV41 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[375]) ).

thf(431,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( inductive @ SX0 )
          | ( member @ null_class @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[376]) ).

thf(432,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( inductive @ SX0 )
          | ( subclass @ ( image @ successor_relation @ SX0 ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[377]) ).

thf(433,plain,
    ! [SV42: $i] :
      ( ( ( member @ SV42 @ universal_class )
        = $false )
      | ( ( ( SV42 = null_class )
          | ( member @ ( apply @ sK2_XF @ SV42 ) @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[378]) ).

thf(434,plain,
    ! [SV61: $i,SV43: $i] :
      ( ( ( ~ ( subclass @ SV43 @ SV61 )
          | ~ ( subclass @ SV61 @ SV43 ) )
        = $true )
      | ( ( SV43 = SV61 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[379]) ).

thf(435,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subclass @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[380]) ).

thf(436,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subclass @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[381]) ).

thf(437,plain,
    ! [SV19: $i,SV77: $i,SV35: $i] :
      ( ( ! [SY196: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SY196 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
            | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV77 @ SY196 ) @ SV35 ) @ SV19 )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SY196 ) @ ( rotate @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[382]) ).

thf(438,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ! [SY151: $i,SY152: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
        | ~ ! [SY153: $i,SY154: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[383]) ).

thf(439,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( subclass @ SV44 @ ( cross_product @ universal_class @ universal_class ) ) )
        = $true )
      | ( ( ~ ( subclass @ ( compose @ SV44 @ ( inverse @ SV44 ) ) @ identity_relation ) )
        = $true )
      | ( ( function @ SV44 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[384]) ).

thf(440,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( function @ SX0 )
          | ( subclass @ SX0 @ ( cross_product @ universal_class @ universal_class ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[385]) ).

thf(441,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( function @ SX0 )
          | ( subclass @ ( compose @ SX0 @ ( inverse @ SX0 ) ) @ identity_relation ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[386]) ).

thf(442,plain,
    ! [SV62: $i,SV45: $i] :
      ( ( ( ! [SY191: $i] :
              ( ~ ( member @ SV45 @ SY191 )
              | ~ ( member @ SY191 @ SV62 ) ) )
        = $true )
      | ( ( member @ SV45 @ ( sum_class @ SV62 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[387]) ).

thf(443,plain,
    ! [SV63: $i,SV46: $i] :
      ( ( ( ~ ( member @ SV46 @ ( sum_class @ SV63 ) ) )
        = $true )
      | ( ( ~ ( ~ ( member @ SV46 @ ( sK6_Y @ SV63 @ SV46 ) )
              | ~ ( member @ ( sK6_Y @ SV63 @ SV46 ) @ SV63 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[388]) ).

thf(444,plain,
    ! [SV20: $i,SV36: $i,SV78: $i] :
      ( ( ! [SY197: $i] :
            ( ~ ( member @ SV78 @ universal_class )
            | ~ ( member @ SY197 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV78 ) ) ) )
            | ( member @ ( ordered_pair @ SV78 @ SY197 ) @ ( compose @ SV36 @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[389]) ).

thf(445,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ! [SY157: $i] :
              ( ! [SY158: $i] :
                  ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
              | ( member @ SY157 @ universal_class ) )
        | ~ ! [SY159: $i,SY160: $i] :
              ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
              | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[390]) ).

thf(446,plain,
    ! [SV47: $i,SV64: $i] :
      ( ( ( ~ ( member @ SV64 @ universal_class )
          | ( member @ SV64 @ SV47 ) )
        = $true )
      | ( ( member @ SV64 @ ( complement @ SV47 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[391]) ).

thf(447,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
          | ( member @ SX1 @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[392]) ).

thf(448,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX1 @ ( complement @ SX0 ) )
          | ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[393]) ).

thf(449,plain,
    ! [SV37: $i,SV79: $i,SV21: $i] :
      ( ( ! [SY198: $i] :
            ( ~ ( member @ SV21 @ SV79 )
            | ~ ( member @ SV37 @ SY198 )
            | ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV79 @ SY198 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[394]) ).

thf(450,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ! [SY163: $i] :
              ( ! [SY164: $i] :
                  ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
              | ( member @ SV21 @ SY163 ) )
        | ~ ! [SY165: $i,SY166: $i] :
              ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
              | ( member @ SV37 @ SY166 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[395]) ).

thf(451,plain,
    ! [SV65: $i,SV22: $i,SV80: $i] :
      ( ( ~ ( member @ SV80 @ SV22 )
        | ~ ( member @ SV80 @ SV65 )
        | ( member @ SV80 @ ( intersection @ SV22 @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[396]) ).

thf(452,plain,
    ! [SV22: $i] :
      ( ( ~ ! [SY122: $i,SY123: $i] :
              ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
              | ( member @ SY123 @ SV22 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[397]) ).

thf(453,plain,
    ! [SV22: $i] :
      ( ( ~ ! [SY124: $i,SY125: $i] :
              ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
              | ( member @ SY125 @ SY124 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[397]) ).

thf(454,plain,
    ! [SV66: $i,SV48: $i] :
      ( ( ( ~ ( member @ SV48 @ universal_class )
          | ~ ( member @ SV66 @ universal_class ) )
        = $true )
      | ( ( ( first @ ( ordered_pair @ SV48 @ SV66 ) )
          = SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[398]) ).

thf(455,plain,
    ! [SV67: $i,SV49: $i] :
      ( ( ( ~ ( member @ SV49 @ universal_class )
          | ~ ( member @ SV67 @ universal_class ) )
        = $true )
      | ( ( ( second @ ( ordered_pair @ SV49 @ SV67 ) )
          = SV67 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[399]) ).

thf(456,plain,
    ! [SV68: $i,SV50: $i] :
      ( ( ( ~ ( member @ SV50 @ universal_class )
          | ~ ( subclass @ SV50 @ SV68 ) )
        = $true )
      | ( ( member @ SV50 @ ( power_class @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[400]) ).

thf(457,plain,
    ( ( ! [SX0: $i] :
          ( ! [SX1: $i] :
              ~ ( member @ SX0 @ ( power_class @ SX1 ) )
          | ( member @ SX0 @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[401]) ).

thf(458,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ ( power_class @ SX1 ) )
          | ( subclass @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[402]) ).

thf(459,plain,
    ! [SV81: $i,SV51: $i] :
      ( ( ( ( SV51
           != ( ordered_pair @ SV81 @ SV81 ) )
          | ~ ( member @ SV81 @ universal_class ) )
        = $true )
      | ( ( member @ SV51 @ identity_relation )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[403]) ).

thf(460,plain,
    ! [SV52: $i] :
      ( ( ( member @ SV52 @ identity_relation )
        = $false )
      | ( ( ~ ( ( SV52
               != ( ordered_pair @ ( sK5_X @ SV52 ) @ ( sK5_X @ SV52 ) ) )
              | ~ ( member @ ( sK5_X @ SV52 ) @ universal_class ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[404]) ).

thf(461,plain,
    ! [SV69: $i,SV53: $i] :
      ( ( ( ( ( restrict @ SV53 @ ( singleton @ SV69 ) @ universal_class )
            = null_class )
          | ~ ( member @ SV69 @ universal_class ) )
        = $true )
      | ( ( member @ SV69 @ ( domain_of @ SV53 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[405]) ).

thf(462,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
          | ( ( restrict @ SX0 @ ( singleton @ SX1 ) @ universal_class )
           != null_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[406]) ).

thf(463,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX1 @ ( domain_of @ SX0 ) )
          | ( member @ SX1 @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[407]) ).

thf(464,plain,
    ! [SV70: $i,SV23: $i,SV82: $i] :
      ( ( ~ ( member @ SV82 @ ( union @ SV23 @ SV70 ) )
        | ( member @ SV82 @ SV23 )
        | ( member @ SV82 @ SV70 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[408]) ).

thf(465,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY128: $i,SY129: $i] :
              ( ~ ( member @ SY129 @ SV23 )
              | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[409]) ).

thf(466,plain,
    ! [SV23: $i] :
      ( ( ~ ! [SY130: $i,SY131: $i] :
              ( ~ ( member @ SY131 @ SY130 )
              | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[409]) ).

thf(467,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class )
          | ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) )
        = $false )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[410]) ).

thf(468,plain,
    ! [SV54: $i] :
      ( ( ( inductive @ SV54 )
        = $false )
      | ( ( subclass @ sK7_X @ SV54 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[412]) ).

thf(469,plain,
    ( ( inductive @ sK7_X )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[413]) ).

thf(470,plain,
    ( ( member @ sK7_X @ universal_class )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[414]) ).

thf(471,plain,
    ! [SV55: $i,SV71: $i] :
      ( ( ( ~ ( member @ SV71 @ universal_class )
          | ~ ( member @ SV55 @ SV71 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV55 @ SV71 ) @ element_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[415]) ).

thf(472,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
          | ( member @ SX1 @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[416]) ).

thf(473,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ element_relation )
          | ( member @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[417]) ).

thf(474,plain,
    ! [SV83: $i,SV38: $i,SV25: $i] :
      ( ( ! [SY199: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
            | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV83 ) @ SY199 )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( flip @ SY199 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[418]) ).

thf(475,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ! [SY169: $i] :
              ( ! [SY170: $i] :
                  ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
        | ~ ! [SY171: $i,SY172: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[419]) ).

thf(476,plain,
    ! [SV26: $i] :
      ( ( ~ ! [SY139: $i] :
              ( ~ ( member @ SV26 @ universal_class )
              | ( SV26 != SY139 )
              | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[420]) ).

thf(477,plain,
    ! [SV26: $i] :
      ( ( ~ ! [SY141: $i,SY142: $i] :
              ( ~ ( member @ SV26 @ universal_class )
              | ( SV26 != SY142 )
              | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[420]) ).

thf(478,plain,
    ! [SV26: $i] :
      ( ( ~ ( ! [SY143: $i,SY144: $i] :
                ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
            | ( member @ SV26 @ universal_class ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[421]) ).

thf(479,plain,
    ! [SV26: $i] :
      ( ( ~ ! [SY145: $i,SY146: $i] :
              ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
              | ( SV26 = SY145 )
              | ( SV26 = SY146 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[421]) ).

thf(480,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV56 )
              | ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV72 ) ) )
        = $true )
      | ( ( disjoint @ SV56 @ SV72 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[422]) ).

thf(481,plain,
    ! [SV73: $i,SV57: $i] :
      ( ( ( ~ ( disjoint @ SV57 @ SV73 ) )
        = $true )
      | ( ( ! [SY194: $i] :
              ( ~ ( member @ SY194 @ SV57 )
              | ~ ( member @ SY194 @ SV73 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[423]) ).

thf(482,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV58 )
              | ~ ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV74 ) ) )
        = $true )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[424]) ).

thf(483,plain,
    ! [SV75: $i,SV59: $i] :
      ( ( ( ~ ( subclass @ SV59 @ SV75 ) )
        = $true )
      | ( ( ! [SY195: $i] :
              ( ~ ( member @ SY195 @ SV59 )
              | ( member @ SY195 @ SV75 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[425]) ).

thf(484,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( ~ ( member @ SV60 @ universal_class )
          | ~ ( member @ SV76 @ universal_class )
          | ( ( successor @ SV60 )
           != SV76 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[426]) ).

thf(485,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ! [SX1: $i] :
                    ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                | ( member @ SX0 @ universal_class ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
                | ( member @ SX1 @ universal_class ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[427]) ).

thf(486,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
          | ( ( successor @ SX0 )
            = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[428]) ).

thf(487,plain,
    ! [SV41: $i] :
      ( ( ( member @ null_class @ SV41 )
        = $false )
      | ( ( ~ ( subclass @ ( image @ successor_relation @ SV41 ) @ SV41 ) )
        = $true )
      | ( ( inductive @ SV41 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[430]) ).

thf(488,plain,
    ! [SV84: $i] :
      ( ( ~ ( inductive @ SV84 )
        | ( member @ null_class @ SV84 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[431]) ).

thf(489,plain,
    ! [SV85: $i] :
      ( ( ~ ( inductive @ SV85 )
        | ( subclass @ ( image @ successor_relation @ SV85 ) @ SV85 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[432]) ).

thf(490,plain,
    ! [SV42: $i] :
      ( ( ( SV42 = null_class )
        = $true )
      | ( ( member @ ( apply @ sK2_XF @ SV42 ) @ SV42 )
        = $true )
      | ( ( member @ SV42 @ universal_class )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[433]) ).

thf(491,plain,
    ! [SV61: $i,SV43: $i] :
      ( ( ( ~ ( subclass @ SV43 @ SV61 ) )
        = $true )
      | ( ( ~ ( subclass @ SV61 @ SV43 ) )
        = $true )
      | ( ( SV43 = SV61 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[434]) ).

thf(492,plain,
    ! [SV86: $i] :
      ( ( ! [SY200: $i] :
            ( ( SV86 != SY200 )
            | ( subclass @ SV86 @ SY200 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[435]) ).

thf(493,plain,
    ! [SV87: $i] :
      ( ( ! [SY201: $i] :
            ( ( SV87 != SY201 )
            | ( subclass @ SY201 @ SV87 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[436]) ).

thf(494,plain,
    ! [SV19: $i,SV88: $i,SV77: $i,SV35: $i] :
      ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV77 @ SV88 ) @ SV35 ) @ SV19 )
        | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( rotate @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[437]) ).

thf(495,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ! [SY151: $i,SY152: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[438]) ).

thf(496,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ~ ! [SY153: $i,SY154: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[438]) ).

thf(497,plain,
    ! [SV44: $i] :
      ( ( ( subclass @ SV44 @ ( cross_product @ universal_class @ universal_class ) )
        = $false )
      | ( ( ~ ( subclass @ ( compose @ SV44 @ ( inverse @ SV44 ) ) @ identity_relation ) )
        = $true )
      | ( ( function @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[439]) ).

thf(498,plain,
    ! [SV89: $i] :
      ( ( ~ ( function @ SV89 )
        | ( subclass @ SV89 @ ( cross_product @ universal_class @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[440]) ).

thf(499,plain,
    ! [SV90: $i] :
      ( ( ~ ( function @ SV90 )
        | ( subclass @ ( compose @ SV90 @ ( inverse @ SV90 ) ) @ identity_relation ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[441]) ).

thf(500,plain,
    ! [SV62: $i,SV91: $i,SV45: $i] :
      ( ( ( ~ ( member @ SV45 @ SV91 )
          | ~ ( member @ SV91 @ SV62 ) )
        = $true )
      | ( ( member @ SV45 @ ( sum_class @ SV62 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[442]) ).

thf(501,plain,
    ! [SV63: $i,SV46: $i] :
      ( ( ( member @ SV46 @ ( sum_class @ SV63 ) )
        = $false )
      | ( ( ~ ( ~ ( member @ SV46 @ ( sK6_Y @ SV63 @ SV46 ) )
              | ~ ( member @ ( sK6_Y @ SV63 @ SV46 ) @ SV63 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[443]) ).

thf(502,plain,
    ! [SV20: $i,SV36: $i,SV92: $i,SV78: $i] :
      ( ( ~ ( member @ SV78 @ universal_class )
        | ~ ( member @ SV92 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV78 ) ) ) )
        | ( member @ ( ordered_pair @ SV78 @ SV92 ) @ ( compose @ SV36 @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[444]) ).

thf(503,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ! [SY157: $i] :
              ( ! [SY158: $i] :
                  ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
              | ( member @ SY157 @ universal_class ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[445]) ).

thf(504,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ~ ! [SY159: $i,SY160: $i] :
              ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
              | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[445]) ).

thf(505,plain,
    ! [SV47: $i,SV64: $i] :
      ( ( ( ~ ( member @ SV64 @ universal_class ) )
        = $true )
      | ( ( member @ SV64 @ SV47 )
        = $true )
      | ( ( member @ SV64 @ ( complement @ SV47 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[446]) ).

thf(506,plain,
    ! [SV93: $i] :
      ( ( ! [SY202: $i] :
            ( ~ ( member @ SY202 @ ( complement @ SV93 ) )
            | ( member @ SY202 @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[447]) ).

thf(507,plain,
    ! [SV94: $i] :
      ( ( ! [SY203: $i] :
            ( ~ ( member @ SY203 @ ( complement @ SV94 ) )
            | ~ ( member @ SY203 @ SV94 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[448]) ).

thf(508,plain,
    ! [SV95: $i,SV37: $i,SV79: $i,SV21: $i] :
      ( ( ~ ( member @ SV21 @ SV79 )
        | ~ ( member @ SV37 @ SV95 )
        | ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV79 @ SV95 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[449]) ).

thf(509,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ! [SY163: $i] :
              ( ! [SY164: $i] :
                  ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
              | ( member @ SV21 @ SY163 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[450]) ).

thf(510,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ~ ! [SY165: $i,SY166: $i] :
              ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
              | ( member @ SV37 @ SY166 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[450]) ).

thf(511,plain,
    ! [SV65: $i,SV22: $i,SV80: $i] :
      ( ( ( ~ ( member @ SV80 @ SV22 )
          | ~ ( member @ SV80 @ SV65 ) )
        = $true )
      | ( ( member @ SV80 @ ( intersection @ SV22 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[451]) ).

thf(512,plain,
    ! [SV22: $i] :
      ( ( ! [SY122: $i,SY123: $i] :
            ( ~ ( member @ SY123 @ ( intersection @ SV22 @ SY122 ) )
            | ( member @ SY123 @ SV22 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[452]) ).

thf(513,plain,
    ! [SV22: $i] :
      ( ( ! [SY124: $i,SY125: $i] :
            ( ~ ( member @ SY125 @ ( intersection @ SV22 @ SY124 ) )
            | ( member @ SY125 @ SY124 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[453]) ).

thf(514,plain,
    ! [SV66: $i,SV48: $i] :
      ( ( ( ~ ( member @ SV48 @ universal_class ) )
        = $true )
      | ( ( ~ ( member @ SV66 @ universal_class ) )
        = $true )
      | ( ( ( first @ ( ordered_pair @ SV48 @ SV66 ) )
          = SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[454]) ).

thf(515,plain,
    ! [SV67: $i,SV49: $i] :
      ( ( ( ~ ( member @ SV49 @ universal_class ) )
        = $true )
      | ( ( ~ ( member @ SV67 @ universal_class ) )
        = $true )
      | ( ( ( second @ ( ordered_pair @ SV49 @ SV67 ) )
          = SV67 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[455]) ).

thf(516,plain,
    ! [SV68: $i,SV50: $i] :
      ( ( ( ~ ( member @ SV50 @ universal_class ) )
        = $true )
      | ( ( ~ ( subclass @ SV50 @ SV68 ) )
        = $true )
      | ( ( member @ SV50 @ ( power_class @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[456]) ).

thf(517,plain,
    ! [SV96: $i] :
      ( ( ! [SY204: $i] :
            ~ ( member @ SV96 @ ( power_class @ SY204 ) )
        | ( member @ SV96 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[457]) ).

thf(518,plain,
    ! [SV97: $i] :
      ( ( ! [SY205: $i] :
            ( ~ ( member @ SV97 @ ( power_class @ SY205 ) )
            | ( subclass @ SV97 @ SY205 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[458]) ).

thf(519,plain,
    ! [SV81: $i,SV51: $i] :
      ( ( ( ( SV51
           != ( ordered_pair @ SV81 @ SV81 ) ) )
        = $true )
      | ( ( ~ ( member @ SV81 @ universal_class ) )
        = $true )
      | ( ( member @ SV51 @ identity_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[459]) ).

thf(520,plain,
    ! [SV52: $i] :
      ( ( ( ( SV52
           != ( ordered_pair @ ( sK5_X @ SV52 ) @ ( sK5_X @ SV52 ) ) )
          | ~ ( member @ ( sK5_X @ SV52 ) @ universal_class ) )
        = $false )
      | ( ( member @ SV52 @ identity_relation )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[460]) ).

thf(521,plain,
    ! [SV69: $i,SV53: $i] :
      ( ( ( ( restrict @ SV53 @ ( singleton @ SV69 ) @ universal_class )
          = null_class )
        = $true )
      | ( ( ~ ( member @ SV69 @ universal_class ) )
        = $true )
      | ( ( member @ SV69 @ ( domain_of @ SV53 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[461]) ).

thf(522,plain,
    ! [SV98: $i] :
      ( ( ! [SY206: $i] :
            ( ~ ( member @ SY206 @ ( domain_of @ SV98 ) )
            | ( ( restrict @ SV98 @ ( singleton @ SY206 ) @ universal_class )
             != null_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[462]) ).

thf(523,plain,
    ! [SV99: $i] :
      ( ( ! [SY207: $i] :
            ( ~ ( member @ SY207 @ ( domain_of @ SV99 ) )
            | ( member @ SY207 @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[463]) ).

thf(524,plain,
    ! [SV70: $i,SV23: $i,SV82: $i] :
      ( ( ( ~ ( member @ SV82 @ ( union @ SV23 @ SV70 ) ) )
        = $true )
      | ( ( ( member @ SV82 @ SV23 )
          | ( member @ SV82 @ SV70 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[464]) ).

thf(525,plain,
    ! [SV23: $i] :
      ( ( ! [SY128: $i,SY129: $i] :
            ( ~ ( member @ SY129 @ SV23 )
            | ( member @ SY129 @ ( union @ SV23 @ SY128 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[465]) ).

thf(526,plain,
    ! [SV23: $i] :
      ( ( ! [SY130: $i,SY131: $i] :
            ( ~ ( member @ SY131 @ SY130 )
            | ( member @ SY131 @ ( union @ SV23 @ SY130 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[466]) ).

thf(527,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( member @ ( sK3_U @ SV24 ) @ universal_class ) )
        = $false )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[467]) ).

thf(528,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( member @ ( sK3_U @ SV24 ) @ SV24 ) )
        = $false )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[467]) ).

thf(529,plain,
    ! [SV55: $i,SV71: $i] :
      ( ( ( ~ ( member @ SV71 @ universal_class ) )
        = $true )
      | ( ( ~ ( member @ SV55 @ SV71 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV55 @ SV71 ) @ element_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[471]) ).

thf(530,plain,
    ! [SV100: $i] :
      ( ( ! [SY208: $i] :
            ( ~ ( member @ ( ordered_pair @ SV100 @ SY208 ) @ element_relation )
            | ( member @ SY208 @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[472]) ).

thf(531,plain,
    ! [SV101: $i] :
      ( ( ! [SY209: $i] :
            ( ~ ( member @ ( ordered_pair @ SV101 @ SY209 ) @ element_relation )
            | ( member @ SV101 @ SY209 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[473]) ).

thf(532,plain,
    ! [SV102: $i,SV83: $i,SV38: $i,SV25: $i] :
      ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV83 ) @ SV102 )
        | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( flip @ SV102 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[474]) ).

thf(533,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ! [SY169: $i] :
              ( ! [SY170: $i] :
                  ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[475]) ).

thf(534,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ~ ! [SY171: $i,SY172: $i] :
              ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
              | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[475]) ).

thf(535,plain,
    ! [SV26: $i] :
      ( ( ! [SY139: $i] :
            ( ~ ( member @ SV26 @ universal_class )
            | ( SV26 != SY139 )
            | ! [SY140: $i] : ( member @ SV26 @ ( unordered_pair @ SY139 @ SY140 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[476]) ).

thf(536,plain,
    ! [SV26: $i] :
      ( ( ! [SY141: $i,SY142: $i] :
            ( ~ ( member @ SV26 @ universal_class )
            | ( SV26 != SY142 )
            | ( member @ SV26 @ ( unordered_pair @ SY141 @ SY142 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[477]) ).

thf(537,plain,
    ! [SV26: $i] :
      ( ( ! [SY143: $i,SY144: $i] :
            ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) )
        | ( member @ SV26 @ universal_class ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[478]) ).

thf(538,plain,
    ! [SV26: $i] :
      ( ( ! [SY145: $i,SY146: $i] :
            ( ~ ( member @ SV26 @ ( unordered_pair @ SY145 @ SY146 ) )
            | ( SV26 = SY145 )
            | ( SV26 = SY146 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[479]) ).

thf(539,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ( ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV56 )
          | ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV72 ) )
        = $false )
      | ( ( disjoint @ SV56 @ SV72 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[480]) ).

thf(540,plain,
    ! [SV73: $i,SV57: $i] :
      ( ( ( disjoint @ SV57 @ SV73 )
        = $false )
      | ( ( ! [SY194: $i] :
              ( ~ ( member @ SY194 @ SV57 )
              | ~ ( member @ SY194 @ SV73 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[481]) ).

thf(541,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV58 )
          | ~ ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV74 ) )
        = $false )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[482]) ).

thf(542,plain,
    ! [SV75: $i,SV59: $i] :
      ( ( ( subclass @ SV59 @ SV75 )
        = $false )
      | ( ( ! [SY195: $i] :
              ( ~ ( member @ SY195 @ SV59 )
              | ( member @ SY195 @ SV75 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[483]) ).

thf(543,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( ~ ( member @ SV60 @ universal_class )
          | ~ ( member @ SV76 @ universal_class ) )
        = $true )
      | ( ( ( ( successor @ SV60 )
           != SV76 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[484]) ).

thf(544,plain,
    ( ( ~ ! [SX0: $i] :
            ( ! [SX1: $i] :
                ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
            | ( member @ SX0 @ universal_class ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
            | ( member @ SX1 @ universal_class ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[485]) ).

thf(545,plain,
    ! [SV103: $i] :
      ( ( ! [SY210: $i] :
            ( ~ ( member @ ( ordered_pair @ SV103 @ SY210 ) @ successor_relation )
            | ( ( successor @ SV103 )
              = SY210 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[486]) ).

thf(546,plain,
    ! [SV41: $i] :
      ( ( ( subclass @ ( image @ successor_relation @ SV41 ) @ SV41 )
        = $false )
      | ( ( member @ null_class @ SV41 )
        = $false )
      | ( ( inductive @ SV41 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[487]) ).

thf(547,plain,
    ! [SV84: $i] :
      ( ( ( ~ ( inductive @ SV84 ) )
        = $true )
      | ( ( member @ null_class @ SV84 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[488]) ).

thf(548,plain,
    ! [SV85: $i] :
      ( ( ( ~ ( inductive @ SV85 ) )
        = $true )
      | ( ( subclass @ ( image @ successor_relation @ SV85 ) @ SV85 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[489]) ).

thf(549,plain,
    ! [SV61: $i,SV43: $i] :
      ( ( ( subclass @ SV43 @ SV61 )
        = $false )
      | ( ( ~ ( subclass @ SV61 @ SV43 ) )
        = $true )
      | ( ( SV43 = SV61 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[491]) ).

thf(550,plain,
    ! [SV104: $i,SV86: $i] :
      ( ( ( SV86 != SV104 )
        | ( subclass @ SV86 @ SV104 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[492]) ).

thf(551,plain,
    ! [SV105: $i,SV87: $i] :
      ( ( ( SV87 != SV105 )
        | ( subclass @ SV105 @ SV87 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[493]) ).

thf(552,plain,
    ! [SV19: $i,SV88: $i,SV77: $i,SV35: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
          | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV77 @ SV88 ) @ SV35 ) @ SV19 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( rotate @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[494]) ).

thf(553,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ! [SY151: $i,SY152: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( rotate @ SV19 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY151 ) @ SY152 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[495]) ).

thf(554,plain,
    ! [SV19: $i,SV35: $i] :
      ( ( ! [SY153: $i,SY154: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SY153 ) @ SY154 ) @ ( rotate @ SV19 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SY153 @ SY154 ) @ SV35 ) @ SV19 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[496]) ).

thf(555,plain,
    ! [SV44: $i] :
      ( ( ( subclass @ ( compose @ SV44 @ ( inverse @ SV44 ) ) @ identity_relation )
        = $false )
      | ( ( subclass @ SV44 @ ( cross_product @ universal_class @ universal_class ) )
        = $false )
      | ( ( function @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[497]) ).

thf(556,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( function @ SV89 ) )
        = $true )
      | ( ( subclass @ SV89 @ ( cross_product @ universal_class @ universal_class ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[498]) ).

thf(557,plain,
    ! [SV90: $i] :
      ( ( ( ~ ( function @ SV90 ) )
        = $true )
      | ( ( subclass @ ( compose @ SV90 @ ( inverse @ SV90 ) ) @ identity_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[499]) ).

thf(558,plain,
    ! [SV62: $i,SV91: $i,SV45: $i] :
      ( ( ( ~ ( member @ SV45 @ SV91 ) )
        = $true )
      | ( ( ~ ( member @ SV91 @ SV62 ) )
        = $true )
      | ( ( member @ SV45 @ ( sum_class @ SV62 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[500]) ).

thf(559,plain,
    ! [SV63: $i,SV46: $i] :
      ( ( ( ~ ( member @ SV46 @ ( sK6_Y @ SV63 @ SV46 ) )
          | ~ ( member @ ( sK6_Y @ SV63 @ SV46 ) @ SV63 ) )
        = $false )
      | ( ( member @ SV46 @ ( sum_class @ SV63 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[501]) ).

thf(560,plain,
    ! [SV20: $i,SV36: $i,SV92: $i,SV78: $i] :
      ( ( ( ~ ( member @ SV78 @ universal_class )
          | ~ ( member @ SV92 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV78 ) ) ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV78 @ SV92 ) @ ( compose @ SV36 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[502]) ).

thf(561,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ! [SY157: $i] :
            ( ! [SY158: $i] :
                ~ ( member @ ( ordered_pair @ SY157 @ SY158 ) @ ( compose @ SV36 @ SV20 ) )
            | ( member @ SY157 @ universal_class ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[503]) ).

thf(562,plain,
    ! [SV20: $i,SV36: $i] :
      ( ( ! [SY159: $i,SY160: $i] :
            ( ~ ( member @ ( ordered_pair @ SY159 @ SY160 ) @ ( compose @ SV36 @ SV20 ) )
            | ( member @ SY160 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SY159 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[504]) ).

thf(563,plain,
    ! [SV47: $i,SV64: $i] :
      ( ( ( member @ SV64 @ universal_class )
        = $false )
      | ( ( member @ SV64 @ SV47 )
        = $true )
      | ( ( member @ SV64 @ ( complement @ SV47 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[505]) ).

thf(564,plain,
    ! [SV93: $i,SV106: $i] :
      ( ( ~ ( member @ SV106 @ ( complement @ SV93 ) )
        | ( member @ SV106 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[506]) ).

thf(565,plain,
    ! [SV94: $i,SV107: $i] :
      ( ( ~ ( member @ SV107 @ ( complement @ SV94 ) )
        | ~ ( member @ SV107 @ SV94 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[507]) ).

thf(566,plain,
    ! [SV95: $i,SV37: $i,SV79: $i,SV21: $i] :
      ( ( ( ~ ( member @ SV21 @ SV79 )
          | ~ ( member @ SV37 @ SV95 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV79 @ SV95 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[508]) ).

thf(567,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ! [SY163: $i] :
            ( ! [SY164: $i] :
                ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY163 @ SY164 ) )
            | ( member @ SV21 @ SY163 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[509]) ).

thf(568,plain,
    ! [SV37: $i,SV21: $i] :
      ( ( ! [SY165: $i,SY166: $i] :
            ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SY165 @ SY166 ) )
            | ( member @ SV37 @ SY166 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[510]) ).

thf(569,plain,
    ! [SV65: $i,SV22: $i,SV80: $i] :
      ( ( ( ~ ( member @ SV80 @ SV22 ) )
        = $true )
      | ( ( ~ ( member @ SV80 @ SV65 ) )
        = $true )
      | ( ( member @ SV80 @ ( intersection @ SV22 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[511]) ).

thf(570,plain,
    ! [SV108: $i,SV22: $i] :
      ( ( ! [SY211: $i] :
            ( ~ ( member @ SY211 @ ( intersection @ SV22 @ SV108 ) )
            | ( member @ SY211 @ SV22 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[512]) ).

thf(571,plain,
    ! [SV109: $i,SV22: $i] :
      ( ( ! [SY212: $i] :
            ( ~ ( member @ SY212 @ ( intersection @ SV22 @ SV109 ) )
            | ( member @ SY212 @ SV109 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[513]) ).

thf(572,plain,
    ! [SV66: $i,SV48: $i] :
      ( ( ( member @ SV48 @ universal_class )
        = $false )
      | ( ( ~ ( member @ SV66 @ universal_class ) )
        = $true )
      | ( ( ( first @ ( ordered_pair @ SV48 @ SV66 ) )
          = SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[514]) ).

thf(573,plain,
    ! [SV67: $i,SV49: $i] :
      ( ( ( member @ SV49 @ universal_class )
        = $false )
      | ( ( ~ ( member @ SV67 @ universal_class ) )
        = $true )
      | ( ( ( second @ ( ordered_pair @ SV49 @ SV67 ) )
          = SV67 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[515]) ).

thf(574,plain,
    ! [SV68: $i,SV50: $i] :
      ( ( ( member @ SV50 @ universal_class )
        = $false )
      | ( ( ~ ( subclass @ SV50 @ SV68 ) )
        = $true )
      | ( ( member @ SV50 @ ( power_class @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[516]) ).

thf(575,plain,
    ! [SV96: $i] :
      ( ( ( ! [SY204: $i] :
              ~ ( member @ SV96 @ ( power_class @ SY204 ) ) )
        = $true )
      | ( ( member @ SV96 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[517]) ).

thf(576,plain,
    ! [SV110: $i,SV97: $i] :
      ( ( ~ ( member @ SV97 @ ( power_class @ SV110 ) )
        | ( subclass @ SV97 @ SV110 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[518]) ).

thf(577,plain,
    ! [SV81: $i,SV51: $i] :
      ( ( ( SV51
          = ( ordered_pair @ SV81 @ SV81 ) )
        = $false )
      | ( ( ~ ( member @ SV81 @ universal_class ) )
        = $true )
      | ( ( member @ SV51 @ identity_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[519]) ).

thf(578,plain,
    ! [SV52: $i] :
      ( ( ( ( SV52
           != ( ordered_pair @ ( sK5_X @ SV52 ) @ ( sK5_X @ SV52 ) ) ) )
        = $false )
      | ( ( member @ SV52 @ identity_relation )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[520]) ).

thf(579,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( member @ ( sK5_X @ SV52 ) @ universal_class ) )
        = $false )
      | ( ( member @ SV52 @ identity_relation )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[520]) ).

thf(580,plain,
    ! [SV53: $i,SV69: $i] :
      ( ( ( member @ SV69 @ universal_class )
        = $false )
      | ( ( ( restrict @ SV53 @ ( singleton @ SV69 ) @ universal_class )
          = null_class )
        = $true )
      | ( ( member @ SV69 @ ( domain_of @ SV53 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[521]) ).

thf(581,plain,
    ! [SV98: $i,SV111: $i] :
      ( ( ~ ( member @ SV111 @ ( domain_of @ SV98 ) )
        | ( ( restrict @ SV98 @ ( singleton @ SV111 ) @ universal_class )
         != null_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[522]) ).

thf(582,plain,
    ! [SV99: $i,SV112: $i] :
      ( ( ~ ( member @ SV112 @ ( domain_of @ SV99 ) )
        | ( member @ SV112 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[523]) ).

thf(583,plain,
    ! [SV70: $i,SV23: $i,SV82: $i] :
      ( ( ( member @ SV82 @ ( union @ SV23 @ SV70 ) )
        = $false )
      | ( ( ( member @ SV82 @ SV23 )
          | ( member @ SV82 @ SV70 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[524]) ).

thf(584,plain,
    ! [SV113: $i,SV23: $i] :
      ( ( ! [SY213: $i] :
            ( ~ ( member @ SY213 @ SV23 )
            | ( member @ SY213 @ ( union @ SV23 @ SV113 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[525]) ).

thf(585,plain,
    ! [SV23: $i,SV114: $i] :
      ( ( ! [SY214: $i] :
            ( ~ ( member @ SY214 @ SV114 )
            | ( member @ SY214 @ ( union @ SV23 @ SV114 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[526]) ).

thf(586,plain,
    ! [SV24: $i] :
      ( ( ( member @ ( sK3_U @ SV24 ) @ universal_class )
        = $true )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[527]) ).

thf(587,plain,
    ! [SV24: $i] :
      ( ( ( member @ ( sK3_U @ SV24 ) @ SV24 )
        = $true )
      | ( ( SV24 = null_class )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[528]) ).

thf(588,plain,
    ! [SV55: $i,SV71: $i] :
      ( ( ( member @ SV71 @ universal_class )
        = $false )
      | ( ( ~ ( member @ SV55 @ SV71 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV55 @ SV71 ) @ element_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[529]) ).

thf(589,plain,
    ! [SV115: $i,SV100: $i] :
      ( ( ~ ( member @ ( ordered_pair @ SV100 @ SV115 ) @ element_relation )
        | ( member @ SV115 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[530]) ).

thf(590,plain,
    ! [SV116: $i,SV101: $i] :
      ( ( ~ ( member @ ( ordered_pair @ SV101 @ SV116 ) @ element_relation )
        | ( member @ SV101 @ SV116 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[531]) ).

thf(591,plain,
    ! [SV102: $i,SV83: $i,SV38: $i,SV25: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
          | ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV83 ) @ SV102 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( flip @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[532]) ).

thf(592,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ! [SY169: $i] :
            ( ! [SY170: $i] :
                ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( flip @ SY170 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY169 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[533]) ).

thf(593,plain,
    ! [SV38: $i,SV25: $i] :
      ( ( ! [SY171: $i,SY172: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SY171 ) @ ( flip @ SY172 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SY171 ) @ SY172 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[534]) ).

thf(594,plain,
    ! [SV117: $i,SV26: $i] :
      ( ( ~ ( member @ SV26 @ universal_class )
        | ( SV26 != SV117 )
        | ! [SY215: $i] : ( member @ SV26 @ ( unordered_pair @ SV117 @ SY215 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[535]) ).

thf(595,plain,
    ! [SV118: $i,SV26: $i] :
      ( ( ! [SY216: $i] :
            ( ~ ( member @ SV26 @ universal_class )
            | ( SV26 != SY216 )
            | ( member @ SV26 @ ( unordered_pair @ SV118 @ SY216 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[536]) ).

thf(596,plain,
    ! [SV26: $i] :
      ( ( ( ! [SY143: $i,SY144: $i] :
              ~ ( member @ SV26 @ ( unordered_pair @ SY143 @ SY144 ) ) )
        = $true )
      | ( ( member @ SV26 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[537]) ).

thf(597,plain,
    ! [SV119: $i,SV26: $i] :
      ( ( ! [SY217: $i] :
            ( ~ ( member @ SV26 @ ( unordered_pair @ SV119 @ SY217 ) )
            | ( SV26 = SV119 )
            | ( SV26 = SY217 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[538]) ).

thf(598,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ( ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV56 ) )
        = $false )
      | ( ( disjoint @ SV56 @ SV72 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[539]) ).

thf(599,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ( ~ ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV72 ) )
        = $false )
      | ( ( disjoint @ SV56 @ SV72 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[539]) ).

thf(600,plain,
    ! [SV73: $i,SV57: $i,SV120: $i] :
      ( ( ( ~ ( member @ SV120 @ SV57 )
          | ~ ( member @ SV120 @ SV73 ) )
        = $true )
      | ( ( disjoint @ SV57 @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[540]) ).

thf(601,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV58 ) )
        = $false )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[541]) ).

thf(602,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( ~ ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV74 ) )
        = $false )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[541]) ).

thf(603,plain,
    ! [SV75: $i,SV59: $i,SV121: $i] :
      ( ( ( ~ ( member @ SV121 @ SV59 )
          | ( member @ SV121 @ SV75 ) )
        = $true )
      | ( ( subclass @ SV59 @ SV75 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[542]) ).

thf(604,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( ~ ( member @ SV60 @ universal_class ) )
        = $true )
      | ( ( ~ ( member @ SV76 @ universal_class ) )
        = $true )
      | ( ( ( ( successor @ SV60 )
           != SV76 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[543]) ).

thf(605,plain,
    ( ( ~ ! [SX0: $i] :
            ( ! [SX1: $i] :
                ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
            | ( member @ SX0 @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[544]) ).

thf(606,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
            | ( member @ SX1 @ universal_class ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[544]) ).

thf(607,plain,
    ! [SV122: $i,SV103: $i] :
      ( ( ~ ( member @ ( ordered_pair @ SV103 @ SV122 ) @ successor_relation )
        | ( ( successor @ SV103 )
          = SV122 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[545]) ).

thf(608,plain,
    ! [SV84: $i] :
      ( ( ( inductive @ SV84 )
        = $false )
      | ( ( member @ null_class @ SV84 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[547]) ).

thf(609,plain,
    ! [SV85: $i] :
      ( ( ( inductive @ SV85 )
        = $false )
      | ( ( subclass @ ( image @ successor_relation @ SV85 ) @ SV85 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[548]) ).

thf(610,plain,
    ! [SV43: $i,SV61: $i] :
      ( ( ( subclass @ SV61 @ SV43 )
        = $false )
      | ( ( subclass @ SV43 @ SV61 )
        = $false )
      | ( ( SV43 = SV61 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[549]) ).

thf(611,plain,
    ! [SV104: $i,SV86: $i] :
      ( ( ( ( SV86 != SV104 ) )
        = $true )
      | ( ( subclass @ SV86 @ SV104 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[550]) ).

thf(612,plain,
    ! [SV105: $i,SV87: $i] :
      ( ( ( ( SV87 != SV105 ) )
        = $true )
      | ( ( subclass @ SV105 @ SV87 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[551]) ).

thf(613,plain,
    ! [SV19: $i,SV88: $i,SV77: $i,SV35: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
        = $true )
      | ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV77 @ SV88 ) @ SV35 ) @ SV19 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( rotate @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[552]) ).

thf(614,plain,
    ! [SV19: $i,SV123: $i,SV35: $i] :
      ( ( ! [SY218: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SY218 ) @ ( rotate @ SV19 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SY218 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[553]) ).

thf(615,plain,
    ! [SV19: $i,SV124: $i,SV35: $i] :
      ( ( ! [SY219: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV124 ) @ SY219 ) @ ( rotate @ SV19 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV124 @ SY219 ) @ SV35 ) @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[554]) ).

thf(616,plain,
    ! [SV89: $i] :
      ( ( ( function @ SV89 )
        = $false )
      | ( ( subclass @ SV89 @ ( cross_product @ universal_class @ universal_class ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[556]) ).

thf(617,plain,
    ! [SV90: $i] :
      ( ( ( function @ SV90 )
        = $false )
      | ( ( subclass @ ( compose @ SV90 @ ( inverse @ SV90 ) ) @ identity_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[557]) ).

thf(618,plain,
    ! [SV62: $i,SV91: $i,SV45: $i] :
      ( ( ( member @ SV45 @ SV91 )
        = $false )
      | ( ( ~ ( member @ SV91 @ SV62 ) )
        = $true )
      | ( ( member @ SV45 @ ( sum_class @ SV62 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[558]) ).

thf(619,plain,
    ! [SV63: $i,SV46: $i] :
      ( ( ( ~ ( member @ SV46 @ ( sK6_Y @ SV63 @ SV46 ) ) )
        = $false )
      | ( ( member @ SV46 @ ( sum_class @ SV63 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[559]) ).

thf(620,plain,
    ! [SV46: $i,SV63: $i] :
      ( ( ( ~ ( member @ ( sK6_Y @ SV63 @ SV46 ) @ SV63 ) )
        = $false )
      | ( ( member @ SV46 @ ( sum_class @ SV63 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[559]) ).

thf(621,plain,
    ! [SV20: $i,SV36: $i,SV92: $i,SV78: $i] :
      ( ( ( ~ ( member @ SV78 @ universal_class ) )
        = $true )
      | ( ( ~ ( member @ SV92 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV78 ) ) ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV78 @ SV92 ) @ ( compose @ SV36 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[560]) ).

thf(622,plain,
    ! [SV20: $i,SV36: $i,SV125: $i] :
      ( ( ! [SY220: $i] :
            ~ ( member @ ( ordered_pair @ SV125 @ SY220 ) @ ( compose @ SV36 @ SV20 ) )
        | ( member @ SV125 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[561]) ).

thf(623,plain,
    ! [SV20: $i,SV36: $i,SV126: $i] :
      ( ( ! [SY221: $i] :
            ( ~ ( member @ ( ordered_pair @ SV126 @ SY221 ) @ ( compose @ SV36 @ SV20 ) )
            | ( member @ SY221 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV126 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[562]) ).

thf(624,plain,
    ! [SV93: $i,SV106: $i] :
      ( ( ( ~ ( member @ SV106 @ ( complement @ SV93 ) ) )
        = $true )
      | ( ( member @ SV106 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[564]) ).

thf(625,plain,
    ! [SV94: $i,SV107: $i] :
      ( ( ( ~ ( member @ SV107 @ ( complement @ SV94 ) ) )
        = $true )
      | ( ( ~ ( member @ SV107 @ SV94 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[565]) ).

thf(626,plain,
    ! [SV95: $i,SV37: $i,SV79: $i,SV21: $i] :
      ( ( ( ~ ( member @ SV21 @ SV79 ) )
        = $true )
      | ( ( ~ ( member @ SV37 @ SV95 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV79 @ SV95 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[566]) ).

thf(627,plain,
    ! [SV127: $i,SV37: $i,SV21: $i] :
      ( ( ! [SY222: $i] :
            ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV127 @ SY222 ) )
        | ( member @ SV21 @ SV127 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[567]) ).

thf(628,plain,
    ! [SV128: $i,SV37: $i,SV21: $i] :
      ( ( ! [SY223: $i] :
            ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV128 @ SY223 ) )
            | ( member @ SV37 @ SY223 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[568]) ).

thf(629,plain,
    ! [SV65: $i,SV22: $i,SV80: $i] :
      ( ( ( member @ SV80 @ SV22 )
        = $false )
      | ( ( ~ ( member @ SV80 @ SV65 ) )
        = $true )
      | ( ( member @ SV80 @ ( intersection @ SV22 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[569]) ).

thf(630,plain,
    ! [SV108: $i,SV22: $i,SV129: $i] :
      ( ( ~ ( member @ SV129 @ ( intersection @ SV22 @ SV108 ) )
        | ( member @ SV129 @ SV22 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[570]) ).

thf(631,plain,
    ! [SV109: $i,SV22: $i,SV130: $i] :
      ( ( ~ ( member @ SV130 @ ( intersection @ SV22 @ SV109 ) )
        | ( member @ SV130 @ SV109 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[571]) ).

thf(632,plain,
    ! [SV48: $i,SV66: $i] :
      ( ( ( member @ SV66 @ universal_class )
        = $false )
      | ( ( member @ SV48 @ universal_class )
        = $false )
      | ( ( ( first @ ( ordered_pair @ SV48 @ SV66 ) )
          = SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[572]) ).

thf(633,plain,
    ! [SV49: $i,SV67: $i] :
      ( ( ( member @ SV67 @ universal_class )
        = $false )
      | ( ( member @ SV49 @ universal_class )
        = $false )
      | ( ( ( second @ ( ordered_pair @ SV49 @ SV67 ) )
          = SV67 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[573]) ).

thf(634,plain,
    ! [SV68: $i,SV50: $i] :
      ( ( ( subclass @ SV50 @ SV68 )
        = $false )
      | ( ( member @ SV50 @ universal_class )
        = $false )
      | ( ( member @ SV50 @ ( power_class @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[574]) ).

thf(635,plain,
    ! [SV131: $i,SV96: $i] :
      ( ( ( ~ ( member @ SV96 @ ( power_class @ SV131 ) ) )
        = $true )
      | ( ( member @ SV96 @ universal_class )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[575]) ).

thf(636,plain,
    ! [SV110: $i,SV97: $i] :
      ( ( ( ~ ( member @ SV97 @ ( power_class @ SV110 ) ) )
        = $true )
      | ( ( subclass @ SV97 @ SV110 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[576]) ).

thf(637,plain,
    ! [SV51: $i,SV81: $i] :
      ( ( ( member @ SV81 @ universal_class )
        = $false )
      | ( ( SV51
          = ( ordered_pair @ SV81 @ SV81 ) )
        = $false )
      | ( ( member @ SV51 @ identity_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[577]) ).

thf(638,plain,
    ! [SV52: $i] :
      ( ( ( SV52
          = ( ordered_pair @ ( sK5_X @ SV52 ) @ ( sK5_X @ SV52 ) ) )
        = $true )
      | ( ( member @ SV52 @ identity_relation )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[578]) ).

thf(639,plain,
    ! [SV52: $i] :
      ( ( ( member @ ( sK5_X @ SV52 ) @ universal_class )
        = $true )
      | ( ( member @ SV52 @ identity_relation )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[579]) ).

thf(640,plain,
    ! [SV98: $i,SV111: $i] :
      ( ( ( ~ ( member @ SV111 @ ( domain_of @ SV98 ) ) )
        = $true )
      | ( ( ( ( restrict @ SV98 @ ( singleton @ SV111 ) @ universal_class )
           != null_class ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[581]) ).

thf(641,plain,
    ! [SV99: $i,SV112: $i] :
      ( ( ( ~ ( member @ SV112 @ ( domain_of @ SV99 ) ) )
        = $true )
      | ( ( member @ SV112 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[582]) ).

thf(642,plain,
    ! [SV70: $i,SV23: $i,SV82: $i] :
      ( ( ( member @ SV82 @ SV23 )
        = $true )
      | ( ( member @ SV82 @ SV70 )
        = $true )
      | ( ( member @ SV82 @ ( union @ SV23 @ SV70 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[583]) ).

thf(643,plain,
    ! [SV113: $i,SV23: $i,SV132: $i] :
      ( ( ~ ( member @ SV132 @ SV23 )
        | ( member @ SV132 @ ( union @ SV23 @ SV113 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[584]) ).

thf(644,plain,
    ! [SV23: $i,SV114: $i,SV133: $i] :
      ( ( ~ ( member @ SV133 @ SV114 )
        | ( member @ SV133 @ ( union @ SV23 @ SV114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[585]) ).

thf(645,plain,
    ! [SV71: $i,SV55: $i] :
      ( ( ( member @ SV55 @ SV71 )
        = $false )
      | ( ( member @ SV71 @ universal_class )
        = $false )
      | ( ( member @ ( ordered_pair @ SV55 @ SV71 ) @ element_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[588]) ).

thf(646,plain,
    ! [SV115: $i,SV100: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV100 @ SV115 ) @ element_relation ) )
        = $true )
      | ( ( member @ SV115 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[589]) ).

thf(647,plain,
    ! [SV116: $i,SV101: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV101 @ SV116 ) @ element_relation ) )
        = $true )
      | ( ( member @ SV101 @ SV116 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[590]) ).

thf(648,plain,
    ! [SV102: $i,SV83: $i,SV38: $i,SV25: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
        = $true )
      | ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV83 ) @ SV102 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( flip @ SV102 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[591]) ).

thf(649,plain,
    ! [SV134: $i,SV38: $i,SV25: $i] :
      ( ( ! [SY224: $i] :
            ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( flip @ SY224 ) )
        | ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[592]) ).

thf(650,plain,
    ! [SV135: $i,SV38: $i,SV25: $i] :
      ( ( ! [SY225: $i] :
            ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV135 ) @ ( flip @ SY225 ) )
            | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV135 ) @ SY225 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[593]) ).

thf(651,plain,
    ! [SV117: $i,SV26: $i] :
      ( ( ( ~ ( member @ SV26 @ universal_class )
          | ( SV26 != SV117 ) )
        = $true )
      | ( ( ! [SY215: $i] : ( member @ SV26 @ ( unordered_pair @ SV117 @ SY215 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[594]) ).

thf(652,plain,
    ! [SV118: $i,SV136: $i,SV26: $i] :
      ( ( ~ ( member @ SV26 @ universal_class )
        | ( SV26 != SV136 )
        | ( member @ SV26 @ ( unordered_pair @ SV118 @ SV136 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[595]) ).

thf(653,plain,
    ! [SV137: $i,SV26: $i] :
      ( ( ( ! [SY226: $i] :
              ~ ( member @ SV26 @ ( unordered_pair @ SV137 @ SY226 ) ) )
        = $true )
      | ( ( member @ SV26 @ universal_class )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[596]) ).

thf(654,plain,
    ! [SV138: $i,SV119: $i,SV26: $i] :
      ( ( ~ ( member @ SV26 @ ( unordered_pair @ SV119 @ SV138 ) )
        | ( SV26 = SV119 )
        | ( SV26 = SV138 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[597]) ).

thf(655,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV56 )
        = $true )
      | ( ( disjoint @ SV56 @ SV72 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[598]) ).

thf(656,plain,
    ! [SV56: $i,SV72: $i] :
      ( ( ( member @ ( sK4_U @ SV72 @ SV56 ) @ SV72 )
        = $true )
      | ( ( disjoint @ SV56 @ SV72 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[599]) ).

thf(657,plain,
    ! [SV73: $i,SV57: $i,SV120: $i] :
      ( ( ( ~ ( member @ SV120 @ SV57 ) )
        = $true )
      | ( ( ~ ( member @ SV120 @ SV73 ) )
        = $true )
      | ( ( disjoint @ SV57 @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[600]) ).

thf(658,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV58 )
        = $true )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[601]) ).

thf(659,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( ~ ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[602]) ).

thf(660,plain,
    ! [SV75: $i,SV59: $i,SV121: $i] :
      ( ( ( ~ ( member @ SV121 @ SV59 ) )
        = $true )
      | ( ( member @ SV121 @ SV75 )
        = $true )
      | ( ( subclass @ SV59 @ SV75 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[603]) ).

thf(661,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( member @ SV60 @ universal_class )
        = $false )
      | ( ( ~ ( member @ SV76 @ universal_class ) )
        = $true )
      | ( ( ( ( successor @ SV60 )
           != SV76 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[604]) ).

thf(662,plain,
    ( ( ! [SX0: $i] :
          ( ! [SX1: $i] :
              ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
          | ( member @ SX0 @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[605]) ).

thf(663,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ ( ordered_pair @ SX0 @ SX1 ) @ successor_relation )
          | ( member @ SX1 @ universal_class ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[606]) ).

thf(664,plain,
    ! [SV122: $i,SV103: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV103 @ SV122 ) @ successor_relation ) )
        = $true )
      | ( ( ( successor @ SV103 )
          = SV122 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[607]) ).

thf(665,plain,
    ! [SV104: $i,SV86: $i] :
      ( ( ( SV86 = SV104 )
        = $false )
      | ( ( subclass @ SV86 @ SV104 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[611]) ).

thf(666,plain,
    ! [SV105: $i,SV87: $i] :
      ( ( ( SV87 = SV105 )
        = $false )
      | ( ( subclass @ SV105 @ SV87 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[612]) ).

thf(667,plain,
    ! [SV19: $i,SV88: $i,SV77: $i,SV35: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $false )
      | ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV77 @ SV88 ) @ SV35 ) @ SV19 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( rotate @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[613]) ).

thf(668,plain,
    ! [SV19: $i,SV139: $i,SV123: $i,SV35: $i] :
      ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SV139 ) @ ( rotate @ SV19 ) )
        | ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SV139 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[614]) ).

thf(669,plain,
    ! [SV19: $i,SV140: $i,SV124: $i,SV35: $i] :
      ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV124 ) @ SV140 ) @ ( rotate @ SV19 ) )
        | ( member @ ( ordered_pair @ ( ordered_pair @ SV124 @ SV140 ) @ SV35 ) @ SV19 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[615]) ).

thf(670,plain,
    ! [SV45: $i,SV62: $i,SV91: $i] :
      ( ( ( member @ SV91 @ SV62 )
        = $false )
      | ( ( member @ SV45 @ SV91 )
        = $false )
      | ( ( member @ SV45 @ ( sum_class @ SV62 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[618]) ).

thf(671,plain,
    ! [SV63: $i,SV46: $i] :
      ( ( ( member @ SV46 @ ( sK6_Y @ SV63 @ SV46 ) )
        = $true )
      | ( ( member @ SV46 @ ( sum_class @ SV63 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[619]) ).

thf(672,plain,
    ! [SV46: $i,SV63: $i] :
      ( ( ( member @ ( sK6_Y @ SV63 @ SV46 ) @ SV63 )
        = $true )
      | ( ( member @ SV46 @ ( sum_class @ SV63 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[620]) ).

thf(673,plain,
    ! [SV20: $i,SV36: $i,SV92: $i,SV78: $i] :
      ( ( ( member @ SV78 @ universal_class )
        = $false )
      | ( ( ~ ( member @ SV92 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV78 ) ) ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV78 @ SV92 ) @ ( compose @ SV36 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[621]) ).

thf(674,plain,
    ! [SV20: $i,SV36: $i,SV125: $i] :
      ( ( ( ! [SY220: $i] :
              ~ ( member @ ( ordered_pair @ SV125 @ SY220 ) @ ( compose @ SV36 @ SV20 ) ) )
        = $true )
      | ( ( member @ SV125 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[622]) ).

thf(675,plain,
    ! [SV20: $i,SV36: $i,SV141: $i,SV126: $i] :
      ( ( ~ ( member @ ( ordered_pair @ SV126 @ SV141 ) @ ( compose @ SV36 @ SV20 ) )
        | ( member @ SV141 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV126 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(676,plain,
    ! [SV93: $i,SV106: $i] :
      ( ( ( member @ SV106 @ ( complement @ SV93 ) )
        = $false )
      | ( ( member @ SV106 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[624]) ).

thf(677,plain,
    ! [SV94: $i,SV107: $i] :
      ( ( ( member @ SV107 @ ( complement @ SV94 ) )
        = $false )
      | ( ( ~ ( member @ SV107 @ SV94 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[625]) ).

thf(678,plain,
    ! [SV95: $i,SV37: $i,SV79: $i,SV21: $i] :
      ( ( ( member @ SV21 @ SV79 )
        = $false )
      | ( ( ~ ( member @ SV37 @ SV95 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV79 @ SV95 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[626]) ).

thf(679,plain,
    ! [SV127: $i,SV37: $i,SV21: $i] :
      ( ( ( ! [SY222: $i] :
              ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV127 @ SY222 ) ) )
        = $true )
      | ( ( member @ SV21 @ SV127 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[627]) ).

thf(680,plain,
    ! [SV142: $i,SV128: $i,SV37: $i,SV21: $i] :
      ( ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV128 @ SV142 ) )
        | ( member @ SV37 @ SV142 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(681,plain,
    ! [SV22: $i,SV65: $i,SV80: $i] :
      ( ( ( member @ SV80 @ SV65 )
        = $false )
      | ( ( member @ SV80 @ SV22 )
        = $false )
      | ( ( member @ SV80 @ ( intersection @ SV22 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[629]) ).

thf(682,plain,
    ! [SV108: $i,SV22: $i,SV129: $i] :
      ( ( ( ~ ( member @ SV129 @ ( intersection @ SV22 @ SV108 ) ) )
        = $true )
      | ( ( member @ SV129 @ SV22 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[630]) ).

thf(683,plain,
    ! [SV109: $i,SV22: $i,SV130: $i] :
      ( ( ( ~ ( member @ SV130 @ ( intersection @ SV22 @ SV109 ) ) )
        = $true )
      | ( ( member @ SV130 @ SV109 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[631]) ).

thf(684,plain,
    ! [SV131: $i,SV96: $i] :
      ( ( ( member @ SV96 @ ( power_class @ SV131 ) )
        = $false )
      | ( ( member @ SV96 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[635]) ).

thf(685,plain,
    ! [SV110: $i,SV97: $i] :
      ( ( ( member @ SV97 @ ( power_class @ SV110 ) )
        = $false )
      | ( ( subclass @ SV97 @ SV110 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[636]) ).

thf(686,plain,
    ! [SV98: $i,SV111: $i] :
      ( ( ( member @ SV111 @ ( domain_of @ SV98 ) )
        = $false )
      | ( ( ( ( restrict @ SV98 @ ( singleton @ SV111 ) @ universal_class )
           != null_class ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[640]) ).

thf(687,plain,
    ! [SV99: $i,SV112: $i] :
      ( ( ( member @ SV112 @ ( domain_of @ SV99 ) )
        = $false )
      | ( ( member @ SV112 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[641]) ).

thf(688,plain,
    ! [SV113: $i,SV23: $i,SV132: $i] :
      ( ( ( ~ ( member @ SV132 @ SV23 ) )
        = $true )
      | ( ( member @ SV132 @ ( union @ SV23 @ SV113 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[643]) ).

thf(689,plain,
    ! [SV23: $i,SV114: $i,SV133: $i] :
      ( ( ( ~ ( member @ SV133 @ SV114 ) )
        = $true )
      | ( ( member @ SV133 @ ( union @ SV23 @ SV114 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[644]) ).

thf(690,plain,
    ! [SV115: $i,SV100: $i] :
      ( ( ( member @ ( ordered_pair @ SV100 @ SV115 ) @ element_relation )
        = $false )
      | ( ( member @ SV115 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[646]) ).

thf(691,plain,
    ! [SV116: $i,SV101: $i] :
      ( ( ( member @ ( ordered_pair @ SV101 @ SV116 ) @ element_relation )
        = $false )
      | ( ( member @ SV101 @ SV116 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[647]) ).

thf(692,plain,
    ! [SV102: $i,SV83: $i,SV38: $i,SV25: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $false )
      | ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV83 ) @ SV102 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( flip @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[648]) ).

thf(693,plain,
    ! [SV134: $i,SV38: $i,SV25: $i] :
      ( ( ( ! [SY224: $i] :
              ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( flip @ SY224 ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[649]) ).

thf(694,plain,
    ! [SV143: $i,SV135: $i,SV38: $i,SV25: $i] :
      ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV135 ) @ ( flip @ SV143 ) )
        | ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV135 ) @ SV143 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[650]) ).

thf(695,plain,
    ! [SV117: $i,SV26: $i] :
      ( ( ( ~ ( member @ SV26 @ universal_class ) )
        = $true )
      | ( ( ( SV26 != SV117 ) )
        = $true )
      | ( ( ! [SY215: $i] : ( member @ SV26 @ ( unordered_pair @ SV117 @ SY215 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[651]) ).

thf(696,plain,
    ! [SV118: $i,SV136: $i,SV26: $i] :
      ( ( ( ~ ( member @ SV26 @ universal_class )
          | ( SV26 != SV136 ) )
        = $true )
      | ( ( member @ SV26 @ ( unordered_pair @ SV118 @ SV136 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[652]) ).

thf(697,plain,
    ! [SV144: $i,SV137: $i,SV26: $i] :
      ( ( ( ~ ( member @ SV26 @ ( unordered_pair @ SV137 @ SV144 ) ) )
        = $true )
      | ( ( member @ SV26 @ universal_class )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[653]) ).

thf(698,plain,
    ! [SV138: $i,SV119: $i,SV26: $i] :
      ( ( ( ~ ( member @ SV26 @ ( unordered_pair @ SV119 @ SV138 ) ) )
        = $true )
      | ( ( ( SV26 = SV119 )
          | ( SV26 = SV138 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[654]) ).

thf(699,plain,
    ! [SV73: $i,SV57: $i,SV120: $i] :
      ( ( ( member @ SV120 @ SV57 )
        = $false )
      | ( ( ~ ( member @ SV120 @ SV73 ) )
        = $true )
      | ( ( disjoint @ SV57 @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[657]) ).

thf(700,plain,
    ! [SV58: $i,SV74: $i] :
      ( ( ( member @ ( sK8_U @ SV74 @ SV58 ) @ SV74 )
        = $false )
      | ( ( subclass @ SV58 @ SV74 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[659]) ).

thf(701,plain,
    ! [SV75: $i,SV59: $i,SV121: $i] :
      ( ( ( member @ SV121 @ SV59 )
        = $false )
      | ( ( member @ SV121 @ SV75 )
        = $true )
      | ( ( subclass @ SV59 @ SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[660]) ).

thf(702,plain,
    ! [SV60: $i,SV76: $i] :
      ( ( ( member @ SV76 @ universal_class )
        = $false )
      | ( ( member @ SV60 @ universal_class )
        = $false )
      | ( ( ( ( successor @ SV60 )
           != SV76 ) )
        = $true )
      | ( ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[661]) ).

thf(703,plain,
    ! [SV145: $i] :
      ( ( ! [SY227: $i] :
            ~ ( member @ ( ordered_pair @ SV145 @ SY227 ) @ successor_relation )
        | ( member @ SV145 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[662]) ).

thf(704,plain,
    ! [SV146: $i] :
      ( ( ! [SY228: $i] :
            ( ~ ( member @ ( ordered_pair @ SV146 @ SY228 ) @ successor_relation )
            | ( member @ SY228 @ universal_class ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[663]) ).

thf(705,plain,
    ! [SV122: $i,SV103: $i] :
      ( ( ( member @ ( ordered_pair @ SV103 @ SV122 ) @ successor_relation )
        = $false )
      | ( ( ( successor @ SV103 )
          = SV122 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[664]) ).

thf(706,plain,
    ! [SV19: $i,SV35: $i,SV88: $i,SV77: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV77 @ SV88 ) @ SV35 ) @ SV19 )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV77 ) @ SV88 ) @ ( rotate @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[667]) ).

thf(707,plain,
    ! [SV19: $i,SV139: $i,SV123: $i,SV35: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SV139 ) @ ( rotate @ SV19 ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SV139 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[668]) ).

thf(708,plain,
    ! [SV19: $i,SV140: $i,SV124: $i,SV35: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV124 ) @ SV140 ) @ ( rotate @ SV19 ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV124 @ SV140 ) @ SV35 ) @ SV19 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[669]) ).

thf(709,plain,
    ! [SV78: $i,SV20: $i,SV36: $i,SV92: $i] :
      ( ( ( member @ SV92 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV78 ) ) ) )
        = $false )
      | ( ( member @ SV78 @ universal_class )
        = $false )
      | ( ( member @ ( ordered_pair @ SV78 @ SV92 ) @ ( compose @ SV36 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[673]) ).

thf(710,plain,
    ! [SV20: $i,SV36: $i,SV147: $i,SV125: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV125 @ SV147 ) @ ( compose @ SV36 @ SV20 ) ) )
        = $true )
      | ( ( member @ SV125 @ universal_class )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[674]) ).

thf(711,plain,
    ! [SV20: $i,SV36: $i,SV141: $i,SV126: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV126 @ SV141 ) @ ( compose @ SV36 @ SV20 ) ) )
        = $true )
      | ( ( member @ SV141 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV126 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[675]) ).

thf(712,plain,
    ! [SV94: $i,SV107: $i] :
      ( ( ( member @ SV107 @ SV94 )
        = $false )
      | ( ( member @ SV107 @ ( complement @ SV94 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[677]) ).

thf(713,plain,
    ! [SV79: $i,SV21: $i,SV95: $i,SV37: $i] :
      ( ( ( member @ SV37 @ SV95 )
        = $false )
      | ( ( member @ SV21 @ SV79 )
        = $false )
      | ( ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV79 @ SV95 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[678]) ).

thf(714,plain,
    ! [SV148: $i,SV127: $i,SV37: $i,SV21: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV127 @ SV148 ) ) )
        = $true )
      | ( ( member @ SV21 @ SV127 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(715,plain,
    ! [SV142: $i,SV128: $i,SV37: $i,SV21: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV128 @ SV142 ) ) )
        = $true )
      | ( ( member @ SV37 @ SV142 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[680]) ).

thf(716,plain,
    ! [SV108: $i,SV22: $i,SV129: $i] :
      ( ( ( member @ SV129 @ ( intersection @ SV22 @ SV108 ) )
        = $false )
      | ( ( member @ SV129 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[682]) ).

thf(717,plain,
    ! [SV109: $i,SV22: $i,SV130: $i] :
      ( ( ( member @ SV130 @ ( intersection @ SV22 @ SV109 ) )
        = $false )
      | ( ( member @ SV130 @ SV109 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[683]) ).

thf(718,plain,
    ! [SV111: $i,SV98: $i] :
      ( ( ( ( restrict @ SV98 @ ( singleton @ SV111 ) @ universal_class )
          = null_class )
        = $false )
      | ( ( member @ SV111 @ ( domain_of @ SV98 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[686]) ).

thf(719,plain,
    ! [SV113: $i,SV23: $i,SV132: $i] :
      ( ( ( member @ SV132 @ SV23 )
        = $false )
      | ( ( member @ SV132 @ ( union @ SV23 @ SV113 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[688]) ).

thf(720,plain,
    ! [SV23: $i,SV114: $i,SV133: $i] :
      ( ( ( member @ SV133 @ SV114 )
        = $false )
      | ( ( member @ SV133 @ ( union @ SV23 @ SV114 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[689]) ).

thf(721,plain,
    ! [SV102: $i,SV83: $i,SV25: $i,SV38: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV83 ) @ SV102 )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV83 ) @ ( flip @ SV102 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[692]) ).

thf(722,plain,
    ! [SV149: $i,SV134: $i,SV38: $i,SV25: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( flip @ SV149 ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[693]) ).

thf(723,plain,
    ! [SV143: $i,SV135: $i,SV38: $i,SV25: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV135 ) @ ( flip @ SV143 ) ) )
        = $true )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV135 ) @ SV143 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[694]) ).

thf(724,plain,
    ! [SV117: $i,SV26: $i] :
      ( ( ( member @ SV26 @ universal_class )
        = $false )
      | ( ( ( SV26 != SV117 ) )
        = $true )
      | ( ( ! [SY215: $i] : ( member @ SV26 @ ( unordered_pair @ SV117 @ SY215 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[695]) ).

thf(725,plain,
    ! [SV118: $i,SV136: $i,SV26: $i] :
      ( ( ( ~ ( member @ SV26 @ universal_class ) )
        = $true )
      | ( ( ( SV26 != SV136 ) )
        = $true )
      | ( ( member @ SV26 @ ( unordered_pair @ SV118 @ SV136 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[696]) ).

thf(726,plain,
    ! [SV144: $i,SV137: $i,SV26: $i] :
      ( ( ( member @ SV26 @ ( unordered_pair @ SV137 @ SV144 ) )
        = $false )
      | ( ( member @ SV26 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[697]) ).

thf(727,plain,
    ! [SV138: $i,SV119: $i,SV26: $i] :
      ( ( ( member @ SV26 @ ( unordered_pair @ SV119 @ SV138 ) )
        = $false )
      | ( ( ( SV26 = SV119 )
          | ( SV26 = SV138 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[698]) ).

thf(728,plain,
    ! [SV57: $i,SV73: $i,SV120: $i] :
      ( ( ( member @ SV120 @ SV73 )
        = $false )
      | ( ( member @ SV120 @ SV57 )
        = $false )
      | ( ( disjoint @ SV57 @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[699]) ).

thf(729,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( ( successor @ SV60 )
          = SV76 )
        = $false )
      | ( ( member @ SV60 @ universal_class )
        = $false )
      | ( ( member @ SV76 @ universal_class )
        = $false )
      | ( ( member @ ( ordered_pair @ SV60 @ SV76 ) @ successor_relation )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[702]) ).

thf(730,plain,
    ! [SV145: $i] :
      ( ( ( ! [SY227: $i] :
              ~ ( member @ ( ordered_pair @ SV145 @ SY227 ) @ successor_relation ) )
        = $true )
      | ( ( member @ SV145 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[703]) ).

thf(731,plain,
    ! [SV150: $i,SV146: $i] :
      ( ( ~ ( member @ ( ordered_pair @ SV146 @ SV150 ) @ successor_relation )
        | ( member @ SV150 @ universal_class ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[704]) ).

thf(732,plain,
    ! [SV19: $i,SV139: $i,SV123: $i,SV35: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SV139 ) @ ( rotate @ SV19 ) )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV123 ) @ SV139 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[707]) ).

thf(733,plain,
    ! [SV19: $i,SV140: $i,SV124: $i,SV35: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV35 @ SV124 ) @ SV140 ) @ ( rotate @ SV19 ) )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV124 @ SV140 ) @ SV35 ) @ SV19 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[708]) ).

thf(734,plain,
    ! [SV20: $i,SV36: $i,SV147: $i,SV125: $i] :
      ( ( ( member @ ( ordered_pair @ SV125 @ SV147 ) @ ( compose @ SV36 @ SV20 ) )
        = $false )
      | ( ( member @ SV125 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[710]) ).

thf(735,plain,
    ! [SV20: $i,SV36: $i,SV141: $i,SV126: $i] :
      ( ( ( member @ ( ordered_pair @ SV126 @ SV141 ) @ ( compose @ SV36 @ SV20 ) )
        = $false )
      | ( ( member @ SV141 @ ( image @ SV36 @ ( image @ SV20 @ ( singleton @ SV126 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[711]) ).

thf(736,plain,
    ! [SV148: $i,SV127: $i,SV37: $i,SV21: $i] :
      ( ( ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV127 @ SV148 ) )
        = $false )
      | ( ( member @ SV21 @ SV127 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[714]) ).

thf(737,plain,
    ! [SV142: $i,SV128: $i,SV37: $i,SV21: $i] :
      ( ( ( member @ ( ordered_pair @ SV21 @ SV37 ) @ ( cross_product @ SV128 @ SV142 ) )
        = $false )
      | ( ( member @ SV37 @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[715]) ).

thf(738,plain,
    ! [SV149: $i,SV134: $i,SV38: $i,SV25: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( flip @ SV149 ) )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV134 ) @ ( cross_product @ ( cross_product @ universal_class @ universal_class ) @ universal_class ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[722]) ).

thf(739,plain,
    ! [SV143: $i,SV135: $i,SV38: $i,SV25: $i] :
      ( ( ( member @ ( ordered_pair @ ( ordered_pair @ SV25 @ SV38 ) @ SV135 ) @ ( flip @ SV143 ) )
        = $false )
      | ( ( member @ ( ordered_pair @ ( ordered_pair @ SV38 @ SV25 ) @ SV135 ) @ SV143 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[723]) ).

thf(740,plain,
    ! [SV117: $i,SV26: $i] :
      ( ( ( SV26 = SV117 )
        = $false )
      | ( ( member @ SV26 @ universal_class )
        = $false )
      | ( ( ! [SY215: $i] : ( member @ SV26 @ ( unordered_pair @ SV117 @ SY215 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[724]) ).

thf(741,plain,
    ! [SV118: $i,SV136: $i,SV26: $i] :
      ( ( ( member @ SV26 @ universal_class )
        = $false )
      | ( ( ( SV26 != SV136 ) )
        = $true )
      | ( ( member @ SV26 @ ( unordered_pair @ SV118 @ SV136 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(742,plain,
    ! [SV138: $i,SV119: $i,SV26: $i] :
      ( ( ( SV26 = SV119 )
        = $true )
      | ( ( SV26 = SV138 )
        = $true )
      | ( ( member @ SV26 @ ( unordered_pair @ SV119 @ SV138 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[727]) ).

thf(743,plain,
    ! [SV151: $i,SV145: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV145 @ SV151 ) @ successor_relation ) )
        = $true )
      | ( ( member @ SV145 @ universal_class )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[730]) ).

thf(744,plain,
    ! [SV150: $i,SV146: $i] :
      ( ( ( ~ ( member @ ( ordered_pair @ SV146 @ SV150 ) @ successor_relation ) )
        = $true )
      | ( ( member @ SV150 @ universal_class )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[731]) ).

thf(745,plain,
    ! [SV152: $i,SV117: $i,SV26: $i] :
      ( ( ( member @ SV26 @ ( unordered_pair @ SV117 @ SV152 ) )
        = $true )
      | ( ( member @ SV26 @ universal_class )
        = $false )
      | ( ( SV26 = SV117 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[740]) ).

thf(746,plain,
    ! [SV118: $i,SV136: $i,SV26: $i] :
      ( ( ( SV26 = SV136 )
        = $false )
      | ( ( member @ SV26 @ universal_class )
        = $false )
      | ( ( member @ SV26 @ ( unordered_pair @ SV118 @ SV136 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[741]) ).

thf(747,plain,
    ! [SV151: $i,SV145: $i] :
      ( ( ( member @ ( ordered_pair @ SV145 @ SV151 ) @ successor_relation )
        = $false )
      | ( ( member @ SV145 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[743]) ).

thf(748,plain,
    ! [SV150: $i,SV146: $i] :
      ( ( ( member @ ( ordered_pair @ SV146 @ SV150 ) @ successor_relation )
        = $false )
      | ( ( member @ SV150 @ universal_class )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[744]) ).

thf(749,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[132,748,747,746,745,742,739,738,737,736,735,734,733,732,729,728,726,721,720,719,718,717,716,713,712,709,706,705,701,700,691,690,687,685,684,681,676,672,671,670,666,665,658,656,655,645,642,639,638,637,634,633,632,617,616,610,609,608,587,586,580,563,555,546,490,470,469,468,429,411,373,288,283,282,281,241,239,236,235,232,231,207,200,199,198,197,196,191,189,164,144]) ).

thf(750,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[749]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SET117+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.11/0.11  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.11/0.32  % Computer : n023.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Sun Jul 10 05:44:40 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.17/0.35  .
% 0.17/0.35  
% 0.17/0.35   No.of.Axioms: 43
% 0.17/0.35  
% 0.17/0.35   Length.of.Defs: 0
% 0.17/0.35  
% 0.17/0.35   Contains.Choice.Funs: false
% 0.17/0.39  .
% 0.17/0.39  (rf:0,axioms:43,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:45,loop_count:0,foatp_calls:0,translation:fof_full).....................................................
% 0.46/0.94  
% 0.46/0.94  ********************************
% 0.46/0.94  *   All subproblems solved!    *
% 0.46/0.94  ********************************
% 0.46/0.94  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:44,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:749,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.92/1.16  
% 0.92/1.16  %**** Beginning of derivation protocol ****
% 0.92/1.16  % SZS output start CNFRefutation
% See solution above
% 0.92/1.16  
% 0.92/1.16  %**** End of derivation protocol ****
% 0.92/1.16  %**** no. of clauses in derivation: 750 ****
% 0.92/1.16  %**** clause counter: 749 ****
% 0.92/1.16  
% 0.92/1.16  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:44,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:749,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------