TSTP Solution File: SEU328+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU328+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n032.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 12:10:33 EDT 2022

% Result   : Theorem 71.08s 71.38s
% Output   : CNFRefutation 71.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   90
% Syntax   : Number of formulae    :  847 ( 431 unt;  31 typ;   0 def)
%            Number of atoms       : 5006 (1289 equ;   0 cnn)
%            Maximal formula atoms :    7 (   6 avg)
%            Number of connectives : 8703 (1979   ~;1537   |; 197   &;4880   @)
%                                         (   2 <=>; 108  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   37 (  37   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   34 (  31 usr;   6 con; 0-3 aty)
%            Number of variables   : 1756 (   0   ^1748   !;   8   ?;1756   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_cast_to_subset,type,
    cast_to_subset: $i > $i ).

thf(tp_complements_of_subsets,type,
    complements_of_subsets: $i > $i > $i ).

thf(tp_element,type,
    element: $i > $i > $o ).

thf(tp_empty,type,
    empty: $i > $o ).

thf(tp_empty_set,type,
    empty_set: $i ).

thf(tp_in,type,
    in: $i > $i > $o ).

thf(tp_meet_of_subsets,type,
    meet_of_subsets: $i > $i > $i ).

thf(tp_natural,type,
    natural: $i > $o ).

thf(tp_powerset,type,
    powerset: $i > $i ).

thf(tp_sK1_A,type,
    sK1_A: $i ).

thf(tp_sK2_SY96,type,
    sK2_SY96: $i ).

thf(tp_sK3_B,type,
    sK3_B: $i > $i ).

thf(tp_sK4_B,type,
    sK4_B: $i > $i ).

thf(tp_sK5_A,type,
    sK5_A: $i ).

thf(tp_sK6_B,type,
    sK6_B: $i > $i ).

thf(tp_set_difference,type,
    set_difference: $i > $i > $i ).

thf(tp_set_meet,type,
    set_meet: $i > $i ).

thf(tp_subset,type,
    subset: $i > $i > $o ).

thf(tp_subset_complement,type,
    subset_complement: $i > $i > $i ).

thf(tp_subset_difference,type,
    subset_difference: $i > $i > $i > $i ).

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

thf(tp_union_of_subsets,type,
    union_of_subsets: $i > $i > $i ).

thf(tp_v1_int_1,type,
    v1_int_1: $i > $o ).

thf(tp_v1_membered,type,
    v1_membered: $i > $o ).

thf(tp_v1_rat_1,type,
    v1_rat_1: $i > $o ).

thf(tp_v1_xcmplx_0,type,
    v1_xcmplx_0: $i > $o ).

thf(tp_v1_xreal_0,type,
    v1_xreal_0: $i > $o ).

thf(tp_v2_membered,type,
    v2_membered: $i > $o ).

thf(tp_v3_membered,type,
    v3_membered: $i > $o ).

thf(tp_v4_membered,type,
    v4_membered: $i > $o ).

thf(tp_v5_membered,type,
    v5_membered: $i > $o ).

thf(1,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(2,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_subset) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_subset) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( set_difference @ empty_set @ A )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_boole) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( B != empty_set )
       => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
          = ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( meet_of_subsets @ A @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_setfam_1) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( set_difference @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(12,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(13,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_difference @ A @ B @ C )
        = ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_subset_1) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( meet_of_subsets @ A @ B )
        = ( set_meet @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_setfam_1) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( union_of_subsets @ A @ B )
        = ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_setfam_1) ).

thf(16,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(17,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(18,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( v1_membered @ A )
      & ( v2_membered @ A )
      & ( v3_membered @ A )
      & ( v4_membered @ A )
      & ( v5_membered @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_membered) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(21,axiom,
    ( ( empty @ empty_set )
    & ( v1_membered @ empty_set )
    & ( v2_membered @ empty_set )
    & ( v3_membered @ empty_set )
    & ( v4_membered @ empty_set )
    & ( v5_membered @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_membered) ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( v5_membered @ A )
     => ( ( v1_membered @ ( set_difference @ A @ B ) )
        & ( v2_membered @ ( set_difference @ A @ B ) )
        & ( v3_membered @ ( set_difference @ A @ B ) )
        & ( v4_membered @ ( set_difference @ A @ B ) )
        & ( v5_membered @ ( set_difference @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc41_membered) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( ( v4_membered @ A )
     => ( ( v1_membered @ ( set_difference @ A @ B ) )
        & ( v2_membered @ ( set_difference @ A @ B ) )
        & ( v3_membered @ ( set_difference @ A @ B ) )
        & ( v4_membered @ ( set_difference @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc40_membered) ).

thf(24,axiom,
    ! [A: $i,B: $i] :
      ( ( v3_membered @ A )
     => ( ( v1_membered @ ( set_difference @ A @ B ) )
        & ( v2_membered @ ( set_difference @ A @ B ) )
        & ( v3_membered @ ( set_difference @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc39_membered) ).

thf(25,axiom,
    ! [A: $i,B: $i] :
      ( ( v2_membered @ A )
     => ( ( v1_membered @ ( set_difference @ A @ B ) )
        & ( v2_membered @ ( set_difference @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc38_membered) ).

thf(26,axiom,
    ! [A: $i,B: $i] :
      ( ( v1_membered @ A )
     => ( v1_membered @ ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc37_membered) ).

thf(27,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(28,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(29,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(30,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(31,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(32,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(33,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(34,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_xboole_0) ).

thf(35,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_tarski) ).

thf(36,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(37,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(38,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_zfmisc_1) ).

thf(39,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(40,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_setfam_1) ).

thf(41,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

thf(42,axiom,
    ! [A: $i] :
      ( ( cast_to_subset @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_subset_1) ).

thf(43,axiom,
    ! [A: $i] :
      ( ( v2_membered @ A )
     => ( v1_membered @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc4_membered) ).

thf(44,axiom,
    ! [A: $i] :
      ( ( v3_membered @ A )
     => ( v2_membered @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc3_membered) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( v4_membered @ A )
     => ( v3_membered @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_membered) ).

thf(46,axiom,
    ! [A: $i] :
      ( ( v5_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( v1_membered @ B )
            & ( v2_membered @ B )
            & ( v3_membered @ B )
            & ( v4_membered @ B )
            & ( v5_membered @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc20_membered) ).

thf(47,axiom,
    ! [A: $i] :
      ( ( v5_membered @ A )
     => ( v4_membered @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_membered) ).

thf(48,axiom,
    ! [A: $i] :
      ( ( v4_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( v1_membered @ B )
            & ( v2_membered @ B )
            & ( v3_membered @ B )
            & ( v4_membered @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc19_membered) ).

thf(49,axiom,
    ! [A: $i] :
      ( ( v3_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( v1_membered @ B )
            & ( v2_membered @ B )
            & ( v3_membered @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc18_membered) ).

thf(50,axiom,
    ! [A: $i] :
      ( ( v2_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( v1_membered @ B )
            & ( v2_membered @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc17_membered) ).

thf(51,axiom,
    ! [A: $i] :
      ( ( v1_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( v1_membered @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc16_membered) ).

thf(52,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( v1_membered @ A )
        & ( v2_membered @ A )
        & ( v3_membered @ A )
        & ( v4_membered @ A )
        & ( v5_membered @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc15_membered) ).

thf(53,axiom,
    ! [A: $i] :
      ( ( v5_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( ( v1_xcmplx_0 @ B )
            & ( natural @ B )
            & ( v1_xreal_0 @ B )
            & ( v1_int_1 @ B )
            & ( v1_rat_1 @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc14_membered) ).

thf(54,axiom,
    ! [A: $i] :
      ( ( v4_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( ( v1_xcmplx_0 @ B )
            & ( v1_xreal_0 @ B )
            & ( v1_int_1 @ B )
            & ( v1_rat_1 @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc13_membered) ).

thf(55,axiom,
    ! [A: $i] :
      ( ( v3_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( ( v1_xcmplx_0 @ B )
            & ( v1_xreal_0 @ B )
            & ( v1_rat_1 @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc12_membered) ).

thf(56,axiom,
    ! [A: $i] :
      ( ( v2_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( ( v1_xcmplx_0 @ B )
            & ( v1_xreal_0 @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc11_membered) ).

thf(57,axiom,
    ! [A: $i] :
      ( ( v1_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( v1_xcmplx_0 @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc10_membered) ).

thf(58,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(59,conjecture,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( B != empty_set )
       => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
          = ( subset_complement @ A @ ( meet_of_subsets @ A @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_tops_2) ).

thf(60,negated_conjecture,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( B != empty_set )
           => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
              = ( subset_complement @ A @ ( meet_of_subsets @ A @ B ) ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[59]) ).

thf(61,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( B != empty_set )
           => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
              = ( subset_complement @ A @ ( meet_of_subsets @ A @ B ) ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(62,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(63,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(64,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(65,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(66,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(67,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(68,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( B != empty_set )
           => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
              = ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( meet_of_subsets @ A @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(69,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(70,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(71,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(72,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(73,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(74,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(75,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(76,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(77,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(78,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(79,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( v1_membered @ A )
          & ( v2_membered @ A )
          & ( v3_membered @ A )
          & ( v4_membered @ A )
          & ( v5_membered @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(80,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(81,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(82,plain,
    ( ( ( empty @ empty_set )
      & ( v1_membered @ empty_set )
      & ( v2_membered @ empty_set )
      & ( v3_membered @ empty_set )
      & ( v4_membered @ empty_set )
      & ( v5_membered @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(83,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( v5_membered @ A )
         => ( ( v1_membered @ ( set_difference @ A @ B ) )
            & ( v2_membered @ ( set_difference @ A @ B ) )
            & ( v3_membered @ ( set_difference @ A @ B ) )
            & ( v4_membered @ ( set_difference @ A @ B ) )
            & ( v5_membered @ ( set_difference @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(84,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( v4_membered @ A )
         => ( ( v1_membered @ ( set_difference @ A @ B ) )
            & ( v2_membered @ ( set_difference @ A @ B ) )
            & ( v3_membered @ ( set_difference @ A @ B ) )
            & ( v4_membered @ ( set_difference @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(85,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( v3_membered @ A )
         => ( ( v1_membered @ ( set_difference @ A @ B ) )
            & ( v2_membered @ ( set_difference @ A @ B ) )
            & ( v3_membered @ ( set_difference @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(86,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( v2_membered @ A )
         => ( ( v1_membered @ ( set_difference @ A @ B ) )
            & ( v2_membered @ ( set_difference @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(87,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( v1_membered @ A )
         => ( v1_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(88,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(89,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(90,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[29]) ).

thf(91,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(92,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(93,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(94,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(95,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[34]) ).

thf(96,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[35]) ).

thf(97,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(98,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(99,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[38]) ).

thf(100,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[39]) ).

thf(101,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[40]) ).

thf(102,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(103,plain,
    ( ( ! [A: $i] :
          ( ( cast_to_subset @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(104,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ( v1_membered @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(105,plain,
    ( ( ! [A: $i] :
          ( ( v3_membered @ A )
         => ( v2_membered @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(106,plain,
    ( ( ! [A: $i] :
          ( ( v4_membered @ A )
         => ( v3_membered @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(107,plain,
    ( ( ! [A: $i] :
          ( ( v5_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B )
                & ( v3_membered @ B )
                & ( v4_membered @ B )
                & ( v5_membered @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(108,plain,
    ( ( ! [A: $i] :
          ( ( v5_membered @ A )
         => ( v4_membered @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(109,plain,
    ( ( ! [A: $i] :
          ( ( v4_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B )
                & ( v3_membered @ B )
                & ( v4_membered @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(110,plain,
    ( ( ! [A: $i] :
          ( ( v3_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B )
                & ( v3_membered @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(111,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(112,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(113,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( v1_membered @ A )
            & ( v2_membered @ A )
            & ( v3_membered @ A )
            & ( v4_membered @ A )
            & ( v5_membered @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(114,plain,
    ( ( ! [A: $i] :
          ( ( v5_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( v1_xcmplx_0 @ B )
                & ( natural @ B )
                & ( v1_xreal_0 @ B )
                & ( v1_int_1 @ B )
                & ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[53]) ).

thf(115,plain,
    ( ( ! [A: $i] :
          ( ( v4_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( v1_xcmplx_0 @ B )
                & ( v1_xreal_0 @ B )
                & ( v1_int_1 @ B )
                & ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(116,plain,
    ( ( ! [A: $i] :
          ( ( v3_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( v1_xcmplx_0 @ B )
                & ( v1_xreal_0 @ B )
                & ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(117,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( v1_xcmplx_0 @ B )
                & ( v1_xreal_0 @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(118,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( v1_xcmplx_0 @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(119,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(120,plain,
    ( ( ! [SY96: $i] :
          ( ( element @ SY96 @ ( powerset @ ( powerset @ sK1_A ) ) )
         => ( ( SY96 != empty_set )
           => ( ( union_of_subsets @ sK1_A @ ( complements_of_subsets @ sK1_A @ SY96 ) )
              = ( subset_complement @ sK1_A @ ( meet_of_subsets @ sK1_A @ SY96 ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[61]) ).

thf(121,plain,
    ( ( ( element @ sK2_SY96 @ ( powerset @ ( powerset @ sK1_A ) ) )
     => ( ( sK2_SY96 != empty_set )
       => ( ( union_of_subsets @ sK1_A @ ( complements_of_subsets @ sK1_A @ sK2_SY96 ) )
          = ( subset_complement @ sK1_A @ ( meet_of_subsets @ sK1_A @ sK2_SY96 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[120]) ).

thf(122,plain,
    ( ( element @ sK2_SY96 @ ( powerset @ ( powerset @ sK1_A ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[121]) ).

thf(123,plain,
    ( ( ( sK2_SY96 != empty_set ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[121]) ).

thf(124,plain,
    ( ( ( union_of_subsets @ sK1_A @ ( complements_of_subsets @ sK1_A @ sK2_SY96 ) )
      = ( subset_complement @ sK1_A @ ( meet_of_subsets @ sK1_A @ sK2_SY96 ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[121]) ).

thf(125,plain,
    ( ( ( ( union_of_subsets @ sK1_A @ ( complements_of_subsets @ sK1_A @ sK2_SY96 ) )
       != ( subset_complement @ sK1_A @ ( meet_of_subsets @ sK1_A @ sK2_SY96 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[124]) ).

thf(126,plain,
    ( ( ( sK2_SY96 != empty_set ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[123]) ).

thf(127,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[62]) ).

thf(128,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[63]) ).

thf(129,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[64]) ).

thf(130,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[65]) ).

thf(131,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[66]) ).

thf(132,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( B = empty_set )
          | ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( meet_of_subsets @ A @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[68]) ).

thf(133,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ ( powerset @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[69]) ).

thf(134,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[71]) ).

thf(135,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[72]) ).

thf(136,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[73]) ).

thf(137,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[74]) ).

thf(138,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[75]) ).

thf(139,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[76]) ).

thf(140,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK3_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK3_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[77]) ).

thf(141,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK4_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK4_B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[78]) ).

thf(142,plain,
    ( ( ~ ( empty @ sK5_A )
      & ( v1_membered @ sK5_A )
      & ( v2_membered @ sK5_A )
      & ( v3_membered @ sK5_A )
      & ( v4_membered @ sK5_A )
      & ( v5_membered @ sK5_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[79]) ).

thf(143,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[80]) ).

thf(144,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[81]) ).

thf(145,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v3_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v4_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v5_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[83]) ).

thf(146,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v3_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v4_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[84]) ).

thf(147,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ! [B: $i] : ( v3_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[85]) ).

thf(148,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[86]) ).

thf(149,plain,
    ( ( ! [A: $i] :
          ( ~ ( v1_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[87]) ).

thf(150,plain,
    ( ( ! [A: $i] : ( element @ ( sK6_B @ A ) @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[89]) ).

thf(151,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[91]) ).

thf(152,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[92]) ).

thf(153,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[93]) ).

thf(154,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[94]) ).

thf(155,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[97]) ).

thf(156,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[102]) ).

thf(157,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ( v1_membered @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[104]) ).

thf(158,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ( v2_membered @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[105]) ).

thf(159,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ( v3_membered @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[106]) ).

thf(160,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v3_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v4_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v5_membered @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[107]) ).

thf(161,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ( v4_membered @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[108]) ).

thf(162,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v3_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v4_membered @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[109]) ).

thf(163,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v3_membered @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[110]) ).

thf(164,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[111]) ).

thf(165,plain,
    ( ( ! [A: $i] :
          ( ~ ( v1_membered @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ ( powerset @ A ) )
              | ( v1_membered @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[112]) ).

thf(166,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v1_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v2_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v3_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v4_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v5_membered @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[113]) ).

thf(167,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( natural @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_int_1 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[114]) ).

thf(168,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_int_1 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[115]) ).

thf(169,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[116]) ).

thf(170,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[117]) ).

thf(171,plain,
    ( ( ! [A: $i] :
          ( ~ ( v1_membered @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ A )
              | ( v1_xcmplx_0 @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[118]) ).

thf(172,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[119]) ).

thf(173,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[172]) ).

thf(174,plain,
    ( ( ! [A: $i] :
          ( ~ ( v1_membered @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ A )
              | ( v1_xcmplx_0 @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[171]) ).

thf(175,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[170]) ).

thf(176,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[169]) ).

thf(177,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_int_1 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[168]) ).

thf(178,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( natural @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xcmplx_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_xreal_0 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_int_1 @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ A )
                | ( v1_rat_1 @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[167]) ).

thf(179,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v1_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v2_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v3_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v4_membered @ A ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( v5_membered @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[166]) ).

thf(180,plain,
    ( ( ! [A: $i] :
          ( ~ ( v1_membered @ A )
          | ! [B: $i] :
              ( ~ ( element @ B @ ( powerset @ A ) )
              | ( v1_membered @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[165]) ).

thf(181,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[164]) ).

thf(182,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v3_membered @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[163]) ).

thf(183,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v3_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v4_membered @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[162]) ).

thf(184,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ( v4_membered @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[161]) ).

thf(185,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ( ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v1_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v2_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v3_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v4_membered @ B ) )
            & ! [B: $i] :
                ( ~ ( element @ B @ ( powerset @ A ) )
                | ( v5_membered @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[160]) ).

thf(186,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ( v3_membered @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[159]) ).

thf(187,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ( v2_membered @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[158]) ).

thf(188,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ( v1_membered @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[157]) ).

thf(189,plain,
    ( ( ! [A: $i] :
          ( ( cast_to_subset @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[103]) ).

thf(190,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[156]) ).

thf(191,plain,
    $true = $true,
    inference(copy,[status(thm)],[101]) ).

thf(192,plain,
    $true = $true,
    inference(copy,[status(thm)],[100]) ).

thf(193,plain,
    $true = $true,
    inference(copy,[status(thm)],[99]) ).

thf(194,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[98]) ).

thf(195,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[155]) ).

thf(196,plain,
    $true = $true,
    inference(copy,[status(thm)],[96]) ).

thf(197,plain,
    $true = $true,
    inference(copy,[status(thm)],[95]) ).

thf(198,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[154]) ).

thf(199,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[153]) ).

thf(200,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[152]) ).

thf(201,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[151]) ).

thf(202,plain,
    $true = $true,
    inference(copy,[status(thm)],[90]) ).

thf(203,plain,
    ( ( ! [A: $i] : ( element @ ( sK6_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[150]) ).

thf(204,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[88]) ).

thf(205,plain,
    ( ( ! [A: $i] :
          ( ~ ( v1_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[149]) ).

thf(206,plain,
    ( ( ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v2_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[148]) ).

thf(207,plain,
    ( ( ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v3_membered @ A )
          | ! [B: $i] : ( v3_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[147]) ).

thf(208,plain,
    ( ( ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v3_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v4_membered @ A )
          | ! [B: $i] : ( v4_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[146]) ).

thf(209,plain,
    ( ( ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v1_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v2_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v3_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v4_membered @ ( set_difference @ A @ B ) ) )
      & ! [A: $i] :
          ( ~ ( v5_membered @ A )
          | ! [B: $i] : ( v5_membered @ ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[145]) ).

thf(210,plain,
    ( ( ( empty @ empty_set )
      & ( v1_membered @ empty_set )
      & ( v2_membered @ empty_set )
      & ( v3_membered @ empty_set )
      & ( v4_membered @ empty_set )
      & ( v5_membered @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[82]) ).

thf(211,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[144]) ).

thf(212,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[143]) ).

thf(213,plain,
    ( ( ~ ( empty @ sK5_A )
      & ( v1_membered @ sK5_A )
      & ( v2_membered @ sK5_A )
      & ( v3_membered @ sK5_A )
      & ( v4_membered @ sK5_A )
      & ( v5_membered @ sK5_A ) )
    = $true ),
    inference(copy,[status(thm)],[142]) ).

thf(214,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK4_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK4_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[141]) ).

thf(215,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK3_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK3_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[140]) ).

thf(216,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[139]) ).

thf(217,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[138]) ).

thf(218,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ A ) )
          | ~ ( element @ C @ ( powerset @ A ) )
          | ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[137]) ).

thf(219,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[136]) ).

thf(220,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[135]) ).

thf(221,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[134]) ).

thf(222,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[70]) ).

thf(223,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ ( powerset @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[133]) ).

thf(224,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ B @ ( powerset @ ( powerset @ A ) ) )
          | ( B = empty_set )
          | ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( meet_of_subsets @ A @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[132]) ).

thf(225,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[67]) ).

thf(226,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[131]) ).

thf(227,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[130]) ).

thf(228,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[129]) ).

thf(229,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[128]) ).

thf(230,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[127]) ).

thf(231,plain,
    ( ( ( sK2_SY96 != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[126]) ).

thf(232,plain,
    ( ( element @ sK2_SY96 @ ( powerset @ ( powerset @ sK1_A ) ) )
    = $true ),
    inference(copy,[status(thm)],[122]) ).

thf(233,plain,
    ( ( ( ( union_of_subsets @ sK1_A @ ( complements_of_subsets @ sK1_A @ sK2_SY96 ) )
       != ( subset_complement @ sK1_A @ ( meet_of_subsets @ sK1_A @ sK2_SY96 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[125]) ).

thf(234,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v4_membered @ SX0 )
          | ~ ( ~ ~ ( ~ ~ ( ~ ! [SX1: $i] :
                                ( ~ ( element @ SX1 @ SX0 )
                                | ( v1_xcmplx_0 @ SX1 ) )
                          | ~ ! [SX1: $i] :
                                ( ~ ( element @ SX1 @ SX0 )
                                | ( v1_xreal_0 @ SX1 ) ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ SX0 )
                          | ( v1_int_1 @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( v1_rat_1 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[177]) ).

thf(235,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX1: $i] :
                                      ( ~ ( element @ SX1 @ SX0 )
                                      | ( natural @ SX1 ) )
                                | ~ ! [SX1: $i] :
                                      ( ~ ( element @ SX1 @ SX0 )
                                      | ( v1_xcmplx_0 @ SX1 ) ) )
                          | ~ ! [SX1: $i] :
                                ( ~ ( element @ SX1 @ SX0 )
                                | ( v1_xreal_0 @ SX1 ) ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ SX0 )
                          | ( v1_int_1 @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( v1_rat_1 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(236,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ( element @ SX0 @ ( powerset @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[223]) ).

thf(237,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                                  | ~ ( v1_membered @ empty_set ) )
                            | ~ ( v2_membered @ empty_set ) )
                      | ~ ( v3_membered @ empty_set ) )
                | ~ ( v4_membered @ empty_set ) )
          | ~ ( v5_membered @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[210]) ).

thf(238,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ~ ( ~ ( element @ ( sK4_B @ SX0 ) @ ( powerset @ SX0 ) )
              | ~ ~ ( empty @ ( sK4_B @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[214]) ).

thf(239,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                                  ( ~ ( v5_membered @ SX0 )
                                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                            | ~ ! [SX0: $i] :
                                  ( ~ ( v5_membered @ SX0 )
                                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( v5_membered @ SX0 )
                            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( v5_membered @ SX0 )
                      | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v5_membered @ SX0 )
                | ! [SX1: $i] : ( v5_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[209]) ).

thf(240,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( v2_membered @ SX0 )
                | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v2_membered @ SX0 )
                | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[206]) ).

thf(241,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX1: $i] :
                                      ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                                      | ( v1_membered @ SX1 ) )
                                | ~ ! [SX1: $i] :
                                      ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                                      | ( v2_membered @ SX1 ) ) )
                          | ~ ! [SX1: $i] :
                                ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                                | ( v3_membered @ SX1 ) ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                          | ( v4_membered @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ( v5_membered @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(242,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                                  ( ~ ( empty @ SX0 )
                                  | ( v1_membered @ SX0 ) )
                            | ~ ! [SX0: $i] :
                                  ( ~ ( empty @ SX0 )
                                  | ( v2_membered @ SX0 ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( empty @ SX0 )
                            | ( v3_membered @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ( v4_membered @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( v5_membered @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[179]) ).

thf(243,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( v3_membered @ SX0 )
                      | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( v3_membered @ SX0 )
                      | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v3_membered @ SX0 )
                | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(244,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v2_membered @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( v1_xcmplx_0 @ SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( v1_xreal_0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(245,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( element @ ( sK3_B @ SX0 ) @ ( powerset @ SX0 ) )
            | ~ ( empty @ ( sK3_B @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[215]) ).

thf(246,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v4_membered @ SX0 )
          | ~ ( ~ ~ ( ~ ~ ( ~ ! [SX1: $i] :
                                ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                                | ( v1_membered @ SX1 ) )
                          | ~ ! [SX1: $i] :
                                ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                                | ( v2_membered @ SX1 ) ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                          | ( v3_membered @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ( v4_membered @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(247,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                            ( ~ ( v4_membered @ SX0 )
                            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( v4_membered @ SX0 )
                            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( v4_membered @ SX0 )
                      | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v4_membered @ SX0 )
                | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(248,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v3_membered @ SX0 )
          | ~ ( ~ ~ ( ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ SX0 )
                          | ( v1_xcmplx_0 @ SX1 ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ SX0 )
                          | ( v1_xreal_0 @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ SX0 )
                    | ( v1_rat_1 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[176]) ).

thf(249,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v2_membered @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ( v1_membered @ SX1 ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ( v2_membered @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[181]) ).

thf(250,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                                  | ~ ( v1_membered @ sK5_A ) )
                            | ~ ( v2_membered @ sK5_A ) )
                      | ~ ( v3_membered @ sK5_A ) )
                | ~ ( v4_membered @ sK5_A ) )
          | ~ ( v5_membered @ sK5_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[213]) ).

thf(251,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v3_membered @ SX0 )
          | ~ ( ~ ~ ( ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                          | ( v1_membered @ SX1 ) )
                    | ~ ! [SX1: $i] :
                          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                          | ( v2_membered @ SX1 ) ) )
              | ~ ! [SX1: $i] :
                    ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ( v3_membered @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[182]) ).

thf(252,plain,
    ! [SV1: $i] :
      ( ( ! [SY97: $i] :
            ( ~ ( in @ SV1 @ SY97 )
            | ~ ( in @ SY97 @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[173]) ).

thf(253,plain,
    ! [SV2: $i] :
      ( ( ~ ( v1_membered @ SV2 )
        | ! [SY98: $i] :
            ( ~ ( element @ SY98 @ SV2 )
            | ( v1_xcmplx_0 @ SY98 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[174]) ).

thf(254,plain,
    ! [SV3: $i] :
      ( ( ~ ( v1_membered @ SV3 )
        | ! [SY99: $i] :
            ( ~ ( element @ SY99 @ ( powerset @ SV3 ) )
            | ( v1_membered @ SY99 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[180]) ).

thf(255,plain,
    ! [SV4: $i] :
      ( ( ~ ( v5_membered @ SV4 )
        | ( v4_membered @ SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[184]) ).

thf(256,plain,
    ! [SV5: $i] :
      ( ( ~ ( v4_membered @ SV5 )
        | ( v3_membered @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[186]) ).

thf(257,plain,
    ! [SV6: $i] :
      ( ( ~ ( v3_membered @ SV6 )
        | ( v2_membered @ SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[187]) ).

thf(258,plain,
    ! [SV7: $i] :
      ( ( ~ ( v2_membered @ SV7 )
        | ( v1_membered @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[188]) ).

thf(259,plain,
    ! [SV8: $i] :
      ( ( ( cast_to_subset @ SV8 )
        = SV8 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[189]) ).

thf(260,plain,
    ! [SV9: $i] :
      ( ( ! [SY100: $i] :
            ( ~ ( element @ SY100 @ ( powerset @ SV9 ) )
            | ( ( subset_complement @ SV9 @ SY100 )
              = ( set_difference @ SV9 @ SY100 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[190]) ).

thf(261,plain,
    ! [SV10: $i] :
      ( ( element @ ( cast_to_subset @ SV10 ) @ ( powerset @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[194]) ).

thf(262,plain,
    ! [SV11: $i] :
      ( ( ! [SY101: $i] :
            ( ~ ( element @ SY101 @ ( powerset @ SV11 ) )
            | ( element @ ( subset_complement @ SV11 @ SY101 ) @ ( powerset @ SV11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[195]) ).

thf(263,plain,
    ! [SV12: $i] :
      ( ( ! [SY102: $i] :
            ( ~ ( element @ SY102 @ ( powerset @ ( powerset @ SV12 ) ) )
            | ( element @ ( union_of_subsets @ SV12 @ SY102 ) @ ( powerset @ SV12 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[198]) ).

thf(264,plain,
    ! [SV13: $i] :
      ( ( ! [SY103: $i] :
            ( ~ ( element @ SY103 @ ( powerset @ ( powerset @ SV13 ) ) )
            | ( element @ ( meet_of_subsets @ SV13 @ SY103 ) @ ( powerset @ SV13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[199]) ).

thf(265,plain,
    ! [SV14: $i] :
      ( ( ! [SY104: $i,SY105: $i] :
            ( ~ ( element @ SY104 @ ( powerset @ SV14 ) )
            | ~ ( element @ SY105 @ ( powerset @ SV14 ) )
            | ( element @ ( subset_difference @ SV14 @ SY104 @ SY105 ) @ ( powerset @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[200]) ).

thf(266,plain,
    ! [SV15: $i] :
      ( ( ! [SY106: $i] :
            ( ~ ( element @ SY106 @ ( powerset @ ( powerset @ SV15 ) ) )
            | ( element @ ( complements_of_subsets @ SV15 @ SY106 ) @ ( powerset @ ( powerset @ SV15 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[201]) ).

thf(267,plain,
    ! [SV16: $i] :
      ( ( element @ ( sK6_B @ SV16 ) @ SV16 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[203]) ).

thf(268,plain,
    ! [SV17: $i] :
      ( ( ~ ( empty @ ( powerset @ SV17 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[204]) ).

thf(269,plain,
    ! [SV18: $i] :
      ( ( ~ ( v1_membered @ SV18 )
        | ! [SY107: $i] : ( v1_membered @ ( set_difference @ SV18 @ SY107 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(270,plain,
    ! [SV19: $i] :
      ( ( ! [SY108: $i] :
            ( ~ ( element @ SY108 @ ( powerset @ SV19 ) )
            | ( ( subset_complement @ SV19 @ ( subset_complement @ SV19 @ SY108 ) )
              = SY108 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[211]) ).

thf(271,plain,
    ! [SV20: $i] :
      ( ( ! [SY109: $i] :
            ( ~ ( element @ SY109 @ ( powerset @ ( powerset @ SV20 ) ) )
            | ( ( complements_of_subsets @ SV20 @ ( complements_of_subsets @ SV20 @ SY109 ) )
              = SY109 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[212]) ).

thf(272,plain,
    ! [SV21: $i] :
      ( ( ! [SY110: $i] :
            ( ~ ( element @ SY110 @ ( powerset @ ( powerset @ SV21 ) ) )
            | ( ( union_of_subsets @ SV21 @ SY110 )
              = ( union @ SY110 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[216]) ).

thf(273,plain,
    ! [SV22: $i] :
      ( ( ! [SY111: $i] :
            ( ~ ( element @ SY111 @ ( powerset @ ( powerset @ SV22 ) ) )
            | ( ( meet_of_subsets @ SV22 @ SY111 )
              = ( set_meet @ SY111 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[217]) ).

thf(274,plain,
    ! [SV23: $i] :
      ( ( ! [SY112: $i,SY113: $i] :
            ( ~ ( element @ SY112 @ ( powerset @ SV23 ) )
            | ~ ( element @ SY113 @ ( powerset @ SV23 ) )
            | ( ( subset_difference @ SV23 @ SY112 @ SY113 )
              = ( set_difference @ SY112 @ SY113 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[218]) ).

thf(275,plain,
    ! [SV24: $i] :
      ( ( subset @ SV24 @ SV24 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[219]) ).

thf(276,plain,
    ! [SV25: $i] :
      ( ( ! [SY114: $i] :
            ( ~ ( in @ SV25 @ SY114 )
            | ( element @ SV25 @ SY114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[220]) ).

thf(277,plain,
    ! [SV26: $i] :
      ( ( ! [SY115: $i] :
            ( ~ ( element @ SV26 @ SY115 )
            | ( empty @ SY115 )
            | ( in @ SV26 @ SY115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[221]) ).

thf(278,plain,
    ! [SV27: $i] :
      ( ( ( set_difference @ SV27 @ empty_set )
        = SV27 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[222]) ).

thf(279,plain,
    ! [SV28: $i] :
      ( ( ! [SY116: $i] :
            ( ~ ( element @ SY116 @ ( powerset @ ( powerset @ SV28 ) ) )
            | ( SY116 = empty_set )
            | ( ( union_of_subsets @ SV28 @ ( complements_of_subsets @ SV28 @ SY116 ) )
              = ( subset_difference @ SV28 @ ( cast_to_subset @ SV28 ) @ ( meet_of_subsets @ SV28 @ SY116 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[224]) ).

thf(280,plain,
    ! [SV29: $i] :
      ( ( ( set_difference @ empty_set @ SV29 )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[225]) ).

thf(281,plain,
    ! [SV30: $i] :
      ( ( ! [SY117: $i,SY118: $i] :
            ( ~ ( element @ SY117 @ ( powerset @ SY118 ) )
            | ~ ( in @ SV30 @ SY117 )
            | ( element @ SV30 @ SY118 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[226]) ).

thf(282,plain,
    ! [SV31: $i] :
      ( ( ! [SY119: $i,SY120: $i] :
            ( ~ ( element @ SY119 @ ( powerset @ SY120 ) )
            | ~ ( in @ SV31 @ SY119 )
            | ~ ( empty @ SY120 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[227]) ).

thf(283,plain,
    ! [SV32: $i] :
      ( ( ~ ( empty @ SV32 )
        | ( SV32 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[228]) ).

thf(284,plain,
    ! [SV33: $i] :
      ( ( ! [SY121: $i] :
            ( ~ ( empty @ SY121 )
            | ~ ( in @ SV33 @ SY121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[229]) ).

thf(285,plain,
    ! [SV34: $i] :
      ( ( ! [SY122: $i] :
            ( ( SV34 = SY122 )
            | ~ ( empty @ SV34 )
            | ~ ( empty @ SY122 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[230]) ).

thf(286,plain,
    ( ( sK2_SY96 = empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[231]) ).

thf(287,plain,
    ( ( ( union_of_subsets @ sK1_A @ ( complements_of_subsets @ sK1_A @ sK2_SY96 ) )
      = ( subset_complement @ sK1_A @ ( meet_of_subsets @ sK1_A @ sK2_SY96 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[233]) ).

thf(288,plain,
    ! [SV35: $i] :
      ( ( ~ ( v4_membered @ SV35 )
        | ~ ( ~ ~ ( ~ ~ ( ~ ! [SY123: $i] :
                              ( ~ ( element @ SY123 @ SV35 )
                              | ( v1_xcmplx_0 @ SY123 ) )
                        | ~ ! [SY124: $i] :
                              ( ~ ( element @ SY124 @ SV35 )
                              | ( v1_xreal_0 @ SY124 ) ) )
                  | ~ ! [SY125: $i] :
                        ( ~ ( element @ SY125 @ SV35 )
                        | ( v1_int_1 @ SY125 ) ) )
            | ~ ! [SY126: $i] :
                  ( ~ ( element @ SY126 @ SV35 )
                  | ( v1_rat_1 @ SY126 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[234]) ).

thf(289,plain,
    ! [SV36: $i] :
      ( ( ~ ( v5_membered @ SV36 )
        | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                                    ( ~ ( element @ SY127 @ SV36 )
                                    | ( natural @ SY127 ) )
                              | ~ ! [SY128: $i] :
                                    ( ~ ( element @ SY128 @ SV36 )
                                    | ( v1_xcmplx_0 @ SY128 ) ) )
                        | ~ ! [SY129: $i] :
                              ( ~ ( element @ SY129 @ SV36 )
                              | ( v1_xreal_0 @ SY129 ) ) )
                  | ~ ! [SY130: $i] :
                        ( ~ ( element @ SY130 @ SV36 )
                        | ( v1_int_1 @ SY130 ) ) )
            | ~ ! [SY131: $i] :
                  ( ~ ( element @ SY131 @ SV36 )
                  | ( v1_rat_1 @ SY131 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[235]) ).

thf(290,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[236]) ).

thf(291,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                              | ~ ( v1_membered @ empty_set ) )
                        | ~ ( v2_membered @ empty_set ) )
                  | ~ ( v3_membered @ empty_set ) )
            | ~ ( v4_membered @ empty_set ) )
      | ~ ( v5_membered @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[237]) ).

thf(292,plain,
    ! [SV37: $i] :
      ( ( ( empty @ SV37 )
        | ~ ( ~ ( element @ ( sK4_B @ SV37 ) @ ( powerset @ SV37 ) )
            | ~ ~ ( empty @ ( sK4_B @ SV37 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[238]) ).

thf(293,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                              ( ~ ( v5_membered @ SX0 )
                              | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( v5_membered @ SX0 )
                              | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( v5_membered @ SX0 )
                        | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v5_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[239]) ).

thf(294,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v2_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v2_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[240]) ).

thf(295,plain,
    ! [SV38: $i] :
      ( ( ~ ( v5_membered @ SV38 )
        | ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                                    ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                                    | ( v1_membered @ SY132 ) )
                              | ~ ! [SY133: $i] :
                                    ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                                    | ( v2_membered @ SY133 ) ) )
                        | ~ ! [SY134: $i] :
                              ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                              | ( v3_membered @ SY134 ) ) )
                  | ~ ! [SY135: $i] :
                        ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                        | ( v4_membered @ SY135 ) ) )
            | ~ ! [SY136: $i] :
                  ( ~ ( element @ SY136 @ ( powerset @ SV38 ) )
                  | ( v5_membered @ SY136 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[241]) ).

thf(296,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                              ( ~ ( empty @ SX0 )
                              | ( v1_membered @ SX0 ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( empty @ SX0 )
                              | ( v2_membered @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( empty @ SX0 )
                        | ( v3_membered @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v4_membered @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v5_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[242]) ).

thf(297,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( v3_membered @ SX0 )
                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v3_membered @ SX0 )
                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v3_membered @ SX0 )
            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[243]) ).

thf(298,plain,
    ! [SV39: $i] :
      ( ( ~ ( v2_membered @ SV39 )
        | ~ ( ~ ! [SY137: $i] :
                  ( ~ ( element @ SY137 @ SV39 )
                  | ( v1_xcmplx_0 @ SY137 ) )
            | ~ ! [SY138: $i] :
                  ( ~ ( element @ SY138 @ SV39 )
                  | ( v1_xreal_0 @ SY138 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[244]) ).

thf(299,plain,
    ! [SV40: $i] :
      ( ( ~ ( ~ ( element @ ( sK3_B @ SV40 ) @ ( powerset @ SV40 ) )
            | ~ ( empty @ ( sK3_B @ SV40 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[245]) ).

thf(300,plain,
    ! [SV41: $i] :
      ( ( ~ ( v4_membered @ SV41 )
        | ~ ( ~ ~ ( ~ ~ ( ~ ! [SY139: $i] :
                              ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                              | ( v1_membered @ SY139 ) )
                        | ~ ! [SY140: $i] :
                              ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                              | ( v2_membered @ SY140 ) ) )
                  | ~ ! [SY141: $i] :
                        ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                        | ( v3_membered @ SY141 ) ) )
            | ~ ! [SY142: $i] :
                  ( ~ ( element @ SY142 @ ( powerset @ SV41 ) )
                  | ( v4_membered @ SY142 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[246]) ).

thf(301,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( v4_membered @ SX0 )
                        | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( v4_membered @ SX0 )
                        | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v4_membered @ SX0 )
                  | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[247]) ).

thf(302,plain,
    ! [SV42: $i] :
      ( ( ~ ( v3_membered @ SV42 )
        | ~ ( ~ ~ ( ~ ! [SY143: $i] :
                        ( ~ ( element @ SY143 @ SV42 )
                        | ( v1_xcmplx_0 @ SY143 ) )
                  | ~ ! [SY144: $i] :
                        ( ~ ( element @ SY144 @ SV42 )
                        | ( v1_xreal_0 @ SY144 ) ) )
            | ~ ! [SY145: $i] :
                  ( ~ ( element @ SY145 @ SV42 )
                  | ( v1_rat_1 @ SY145 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[248]) ).

thf(303,plain,
    ! [SV43: $i] :
      ( ( ~ ( v2_membered @ SV43 )
        | ~ ( ~ ! [SY146: $i] :
                  ( ~ ( element @ SY146 @ ( powerset @ SV43 ) )
                  | ( v1_membered @ SY146 ) )
            | ~ ! [SY147: $i] :
                  ( ~ ( element @ SY147 @ ( powerset @ SV43 ) )
                  | ( v2_membered @ SY147 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[249]) ).

thf(304,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                              | ~ ( v1_membered @ sK5_A ) )
                        | ~ ( v2_membered @ sK5_A ) )
                  | ~ ( v3_membered @ sK5_A ) )
            | ~ ( v4_membered @ sK5_A ) )
      | ~ ( v5_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[250]) ).

thf(305,plain,
    ! [SV44: $i] :
      ( ( ~ ( v3_membered @ SV44 )
        | ~ ( ~ ~ ( ~ ! [SY148: $i] :
                        ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                        | ( v1_membered @ SY148 ) )
                  | ~ ! [SY149: $i] :
                        ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                        | ( v2_membered @ SY149 ) ) )
            | ~ ! [SY150: $i] :
                  ( ~ ( element @ SY150 @ ( powerset @ SV44 ) )
                  | ( v3_membered @ SY150 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[251]) ).

thf(306,plain,
    ! [SV45: $i,SV1: $i] :
      ( ( ~ ( in @ SV1 @ SV45 )
        | ~ ( in @ SV45 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[252]) ).

thf(307,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( v1_membered @ SV2 ) )
        = $true )
      | ( ( ! [SY98: $i] :
              ( ~ ( element @ SY98 @ SV2 )
              | ( v1_xcmplx_0 @ SY98 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[253]) ).

thf(308,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( v1_membered @ SV3 ) )
        = $true )
      | ( ( ! [SY99: $i] :
              ( ~ ( element @ SY99 @ ( powerset @ SV3 ) )
              | ( v1_membered @ SY99 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[254]) ).

thf(309,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( v5_membered @ SV4 ) )
        = $true )
      | ( ( v4_membered @ SV4 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[255]) ).

thf(310,plain,
    ! [SV5: $i] :
      ( ( ( ~ ( v4_membered @ SV5 ) )
        = $true )
      | ( ( v3_membered @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[256]) ).

thf(311,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( v3_membered @ SV6 ) )
        = $true )
      | ( ( v2_membered @ SV6 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[257]) ).

thf(312,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( v2_membered @ SV7 ) )
        = $true )
      | ( ( v1_membered @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[258]) ).

thf(313,plain,
    ! [SV9: $i,SV46: $i] :
      ( ( ~ ( element @ SV46 @ ( powerset @ SV9 ) )
        | ( ( subset_complement @ SV9 @ SV46 )
          = ( set_difference @ SV9 @ SV46 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[260]) ).

thf(314,plain,
    ! [SV11: $i,SV47: $i] :
      ( ( ~ ( element @ SV47 @ ( powerset @ SV11 ) )
        | ( element @ ( subset_complement @ SV11 @ SV47 ) @ ( powerset @ SV11 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[262]) ).

thf(315,plain,
    ! [SV12: $i,SV48: $i] :
      ( ( ~ ( element @ SV48 @ ( powerset @ ( powerset @ SV12 ) ) )
        | ( element @ ( union_of_subsets @ SV12 @ SV48 ) @ ( powerset @ SV12 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[263]) ).

thf(316,plain,
    ! [SV13: $i,SV49: $i] :
      ( ( ~ ( element @ SV49 @ ( powerset @ ( powerset @ SV13 ) ) )
        | ( element @ ( meet_of_subsets @ SV13 @ SV49 ) @ ( powerset @ SV13 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[264]) ).

thf(317,plain,
    ! [SV14: $i,SV50: $i] :
      ( ( ! [SY151: $i] :
            ( ~ ( element @ SV50 @ ( powerset @ SV14 ) )
            | ~ ( element @ SY151 @ ( powerset @ SV14 ) )
            | ( element @ ( subset_difference @ SV14 @ SV50 @ SY151 ) @ ( powerset @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[265]) ).

thf(318,plain,
    ! [SV15: $i,SV51: $i] :
      ( ( ~ ( element @ SV51 @ ( powerset @ ( powerset @ SV15 ) ) )
        | ( element @ ( complements_of_subsets @ SV15 @ SV51 ) @ ( powerset @ ( powerset @ SV15 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[266]) ).

thf(319,plain,
    ! [SV17: $i] :
      ( ( empty @ ( powerset @ SV17 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[268]) ).

thf(320,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( v1_membered @ SV18 ) )
        = $true )
      | ( ( ! [SY107: $i] : ( v1_membered @ ( set_difference @ SV18 @ SY107 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[269]) ).

thf(321,plain,
    ! [SV19: $i,SV52: $i] :
      ( ( ~ ( element @ SV52 @ ( powerset @ SV19 ) )
        | ( ( subset_complement @ SV19 @ ( subset_complement @ SV19 @ SV52 ) )
          = SV52 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[270]) ).

thf(322,plain,
    ! [SV20: $i,SV53: $i] :
      ( ( ~ ( element @ SV53 @ ( powerset @ ( powerset @ SV20 ) ) )
        | ( ( complements_of_subsets @ SV20 @ ( complements_of_subsets @ SV20 @ SV53 ) )
          = SV53 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[271]) ).

thf(323,plain,
    ! [SV21: $i,SV54: $i] :
      ( ( ~ ( element @ SV54 @ ( powerset @ ( powerset @ SV21 ) ) )
        | ( ( union_of_subsets @ SV21 @ SV54 )
          = ( union @ SV54 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[272]) ).

thf(324,plain,
    ! [SV22: $i,SV55: $i] :
      ( ( ~ ( element @ SV55 @ ( powerset @ ( powerset @ SV22 ) ) )
        | ( ( meet_of_subsets @ SV22 @ SV55 )
          = ( set_meet @ SV55 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[273]) ).

thf(325,plain,
    ! [SV23: $i,SV56: $i] :
      ( ( ! [SY152: $i] :
            ( ~ ( element @ SV56 @ ( powerset @ SV23 ) )
            | ~ ( element @ SY152 @ ( powerset @ SV23 ) )
            | ( ( subset_difference @ SV23 @ SV56 @ SY152 )
              = ( set_difference @ SV56 @ SY152 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[274]) ).

thf(326,plain,
    ! [SV57: $i,SV25: $i] :
      ( ( ~ ( in @ SV25 @ SV57 )
        | ( element @ SV25 @ SV57 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[276]) ).

thf(327,plain,
    ! [SV58: $i,SV26: $i] :
      ( ( ~ ( element @ SV26 @ SV58 )
        | ( empty @ SV58 )
        | ( in @ SV26 @ SV58 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[277]) ).

thf(328,plain,
    ! [SV28: $i,SV59: $i] :
      ( ( ~ ( element @ SV59 @ ( powerset @ ( powerset @ SV28 ) ) )
        | ( SV59 = empty_set )
        | ( ( union_of_subsets @ SV28 @ ( complements_of_subsets @ SV28 @ SV59 ) )
          = ( subset_difference @ SV28 @ ( cast_to_subset @ SV28 ) @ ( meet_of_subsets @ SV28 @ SV59 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[279]) ).

thf(329,plain,
    ! [SV30: $i,SV60: $i] :
      ( ( ! [SY153: $i] :
            ( ~ ( element @ SV60 @ ( powerset @ SY153 ) )
            | ~ ( in @ SV30 @ SV60 )
            | ( element @ SV30 @ SY153 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[281]) ).

thf(330,plain,
    ! [SV31: $i,SV61: $i] :
      ( ( ! [SY154: $i] :
            ( ~ ( element @ SV61 @ ( powerset @ SY154 ) )
            | ~ ( in @ SV31 @ SV61 )
            | ~ ( empty @ SY154 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[282]) ).

thf(331,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( empty @ SV32 ) )
        = $true )
      | ( ( SV32 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[283]) ).

thf(332,plain,
    ! [SV33: $i,SV62: $i] :
      ( ( ~ ( empty @ SV62 )
        | ~ ( in @ SV33 @ SV62 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[284]) ).

thf(333,plain,
    ! [SV63: $i,SV34: $i] :
      ( ( ( SV34 = SV63 )
        | ~ ( empty @ SV34 )
        | ~ ( empty @ SV63 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[285]) ).

thf(334,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( v4_membered @ SV35 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SY123: $i] :
                                ( ~ ( element @ SY123 @ SV35 )
                                | ( v1_xcmplx_0 @ SY123 ) )
                          | ~ ! [SY124: $i] :
                                ( ~ ( element @ SY124 @ SV35 )
                                | ( v1_xreal_0 @ SY124 ) ) )
                    | ~ ! [SY125: $i] :
                          ( ~ ( element @ SY125 @ SV35 )
                          | ( v1_int_1 @ SY125 ) ) )
              | ~ ! [SY126: $i] :
                    ( ~ ( element @ SY126 @ SV35 )
                    | ( v1_rat_1 @ SY126 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[288]) ).

thf(335,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( v5_membered @ SV36 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                                      ( ~ ( element @ SY127 @ SV36 )
                                      | ( natural @ SY127 ) )
                                | ~ ! [SY128: $i] :
                                      ( ~ ( element @ SY128 @ SV36 )
                                      | ( v1_xcmplx_0 @ SY128 ) ) )
                          | ~ ! [SY129: $i] :
                                ( ~ ( element @ SY129 @ SV36 )
                                | ( v1_xreal_0 @ SY129 ) ) )
                    | ~ ! [SY130: $i] :
                          ( ~ ( element @ SY130 @ SV36 )
                          | ( v1_int_1 @ SY130 ) ) )
              | ~ ! [SY131: $i] :
                    ( ~ ( element @ SY131 @ SV36 )
                    | ( v1_rat_1 @ SY131 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[289]) ).

thf(336,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[290]) ).

thf(337,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[290]) ).

thf(338,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                              | ~ ( v1_membered @ empty_set ) )
                        | ~ ( v2_membered @ empty_set ) )
                  | ~ ( v3_membered @ empty_set ) )
            | ~ ( v4_membered @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[291]) ).

thf(339,plain,
    ( ( ~ ( v5_membered @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[291]) ).

thf(340,plain,
    ! [SV37: $i] :
      ( ( ( empty @ SV37 )
        = $true )
      | ( ( ~ ( ~ ( element @ ( sK4_B @ SV37 ) @ ( powerset @ SV37 ) )
              | ~ ~ ( empty @ ( sK4_B @ SV37 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[292]) ).

thf(341,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                              ( ~ ( v5_membered @ SX0 )
                              | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( v5_membered @ SX0 )
                              | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( v5_membered @ SX0 )
                        | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[293]) ).

thf(342,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v5_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[293]) ).

thf(343,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v2_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[294]) ).

thf(344,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v2_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[294]) ).

thf(345,plain,
    ! [SV38: $i] :
      ( ( ( ~ ( v5_membered @ SV38 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                                      ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                                      | ( v1_membered @ SY132 ) )
                                | ~ ! [SY133: $i] :
                                      ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                                      | ( v2_membered @ SY133 ) ) )
                          | ~ ! [SY134: $i] :
                                ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                                | ( v3_membered @ SY134 ) ) )
                    | ~ ! [SY135: $i] :
                          ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                          | ( v4_membered @ SY135 ) ) )
              | ~ ! [SY136: $i] :
                    ( ~ ( element @ SY136 @ ( powerset @ SV38 ) )
                    | ( v5_membered @ SY136 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[295]) ).

thf(346,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                              ( ~ ( empty @ SX0 )
                              | ( v1_membered @ SX0 ) )
                        | ~ ! [SX0: $i] :
                              ( ~ ( empty @ SX0 )
                              | ( v2_membered @ SX0 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( empty @ SX0 )
                        | ( v3_membered @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v4_membered @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(347,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v5_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(348,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( v3_membered @ SX0 )
                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v3_membered @ SX0 )
                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[297]) ).

thf(349,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v3_membered @ SX0 )
            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[297]) ).

thf(350,plain,
    ! [SV39: $i] :
      ( ( ( ~ ( v2_membered @ SV39 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY137: $i] :
                    ( ~ ( element @ SY137 @ SV39 )
                    | ( v1_xcmplx_0 @ SY137 ) )
              | ~ ! [SY138: $i] :
                    ( ~ ( element @ SY138 @ SV39 )
                    | ( v1_xreal_0 @ SY138 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[298]) ).

thf(351,plain,
    ! [SV40: $i] :
      ( ( ~ ( element @ ( sK3_B @ SV40 ) @ ( powerset @ SV40 ) )
        | ~ ( empty @ ( sK3_B @ SV40 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[299]) ).

thf(352,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( v4_membered @ SV41 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SY139: $i] :
                                ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                                | ( v1_membered @ SY139 ) )
                          | ~ ! [SY140: $i] :
                                ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                                | ( v2_membered @ SY140 ) ) )
                    | ~ ! [SY141: $i] :
                          ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                          | ( v3_membered @ SY141 ) ) )
              | ~ ! [SY142: $i] :
                    ( ~ ( element @ SY142 @ ( powerset @ SV41 ) )
                    | ( v4_membered @ SY142 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[300]) ).

thf(353,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( v4_membered @ SX0 )
                        | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( v4_membered @ SX0 )
                        | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v4_membered @ SX0 )
                  | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[301]) ).

thf(354,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[301]) ).

thf(355,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( v3_membered @ SV42 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ! [SY143: $i] :
                          ( ~ ( element @ SY143 @ SV42 )
                          | ( v1_xcmplx_0 @ SY143 ) )
                    | ~ ! [SY144: $i] :
                          ( ~ ( element @ SY144 @ SV42 )
                          | ( v1_xreal_0 @ SY144 ) ) )
              | ~ ! [SY145: $i] :
                    ( ~ ( element @ SY145 @ SV42 )
                    | ( v1_rat_1 @ SY145 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[302]) ).

thf(356,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( v2_membered @ SV43 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY146: $i] :
                    ( ~ ( element @ SY146 @ ( powerset @ SV43 ) )
                    | ( v1_membered @ SY146 ) )
              | ~ ! [SY147: $i] :
                    ( ~ ( element @ SY147 @ ( powerset @ SV43 ) )
                    | ( v2_membered @ SY147 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[303]) ).

thf(357,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                              | ~ ( v1_membered @ sK5_A ) )
                        | ~ ( v2_membered @ sK5_A ) )
                  | ~ ( v3_membered @ sK5_A ) )
            | ~ ( v4_membered @ sK5_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[304]) ).

thf(358,plain,
    ( ( ~ ( v5_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[304]) ).

thf(359,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( v3_membered @ SV44 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ! [SY148: $i] :
                          ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                          | ( v1_membered @ SY148 ) )
                    | ~ ! [SY149: $i] :
                          ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                          | ( v2_membered @ SY149 ) ) )
              | ~ ! [SY150: $i] :
                    ( ~ ( element @ SY150 @ ( powerset @ SV44 ) )
                    | ( v3_membered @ SY150 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[305]) ).

thf(360,plain,
    ! [SV45: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV45 ) )
        = $true )
      | ( ( ~ ( in @ SV45 @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[306]) ).

thf(361,plain,
    ! [SV2: $i] :
      ( ( ( v1_membered @ SV2 )
        = $false )
      | ( ( ! [SY98: $i] :
              ( ~ ( element @ SY98 @ SV2 )
              | ( v1_xcmplx_0 @ SY98 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[307]) ).

thf(362,plain,
    ! [SV3: $i] :
      ( ( ( v1_membered @ SV3 )
        = $false )
      | ( ( ! [SY99: $i] :
              ( ~ ( element @ SY99 @ ( powerset @ SV3 ) )
              | ( v1_membered @ SY99 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[308]) ).

thf(363,plain,
    ! [SV4: $i] :
      ( ( ( v5_membered @ SV4 )
        = $false )
      | ( ( v4_membered @ SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[309]) ).

thf(364,plain,
    ! [SV5: $i] :
      ( ( ( v4_membered @ SV5 )
        = $false )
      | ( ( v3_membered @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[310]) ).

thf(365,plain,
    ! [SV6: $i] :
      ( ( ( v3_membered @ SV6 )
        = $false )
      | ( ( v2_membered @ SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[311]) ).

thf(366,plain,
    ! [SV7: $i] :
      ( ( ( v2_membered @ SV7 )
        = $false )
      | ( ( v1_membered @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[312]) ).

thf(367,plain,
    ! [SV9: $i,SV46: $i] :
      ( ( ( ~ ( element @ SV46 @ ( powerset @ SV9 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV9 @ SV46 )
          = ( set_difference @ SV9 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[313]) ).

thf(368,plain,
    ! [SV11: $i,SV47: $i] :
      ( ( ( ~ ( element @ SV47 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( element @ ( subset_complement @ SV11 @ SV47 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[314]) ).

thf(369,plain,
    ! [SV12: $i,SV48: $i] :
      ( ( ( ~ ( element @ SV48 @ ( powerset @ ( powerset @ SV12 ) ) ) )
        = $true )
      | ( ( element @ ( union_of_subsets @ SV12 @ SV48 ) @ ( powerset @ SV12 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[315]) ).

thf(370,plain,
    ! [SV13: $i,SV49: $i] :
      ( ( ( ~ ( element @ SV49 @ ( powerset @ ( powerset @ SV13 ) ) ) )
        = $true )
      | ( ( element @ ( meet_of_subsets @ SV13 @ SV49 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[316]) ).

thf(371,plain,
    ! [SV64: $i,SV14: $i,SV50: $i] :
      ( ( ~ ( element @ SV50 @ ( powerset @ SV14 ) )
        | ~ ( element @ SV64 @ ( powerset @ SV14 ) )
        | ( element @ ( subset_difference @ SV14 @ SV50 @ SV64 ) @ ( powerset @ SV14 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[317]) ).

thf(372,plain,
    ! [SV15: $i,SV51: $i] :
      ( ( ( ~ ( element @ SV51 @ ( powerset @ ( powerset @ SV15 ) ) ) )
        = $true )
      | ( ( element @ ( complements_of_subsets @ SV15 @ SV51 ) @ ( powerset @ ( powerset @ SV15 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[318]) ).

thf(373,plain,
    ! [SV18: $i] :
      ( ( ( v1_membered @ SV18 )
        = $false )
      | ( ( ! [SY107: $i] : ( v1_membered @ ( set_difference @ SV18 @ SY107 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[320]) ).

thf(374,plain,
    ! [SV19: $i,SV52: $i] :
      ( ( ( ~ ( element @ SV52 @ ( powerset @ SV19 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV19 @ ( subset_complement @ SV19 @ SV52 ) )
          = SV52 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[321]) ).

thf(375,plain,
    ! [SV20: $i,SV53: $i] :
      ( ( ( ~ ( element @ SV53 @ ( powerset @ ( powerset @ SV20 ) ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV20 @ ( complements_of_subsets @ SV20 @ SV53 ) )
          = SV53 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[322]) ).

thf(376,plain,
    ! [SV21: $i,SV54: $i] :
      ( ( ( ~ ( element @ SV54 @ ( powerset @ ( powerset @ SV21 ) ) ) )
        = $true )
      | ( ( ( union_of_subsets @ SV21 @ SV54 )
          = ( union @ SV54 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[323]) ).

thf(377,plain,
    ! [SV22: $i,SV55: $i] :
      ( ( ( ~ ( element @ SV55 @ ( powerset @ ( powerset @ SV22 ) ) ) )
        = $true )
      | ( ( ( meet_of_subsets @ SV22 @ SV55 )
          = ( set_meet @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[324]) ).

thf(378,plain,
    ! [SV65: $i,SV23: $i,SV56: $i] :
      ( ( ~ ( element @ SV56 @ ( powerset @ SV23 ) )
        | ~ ( element @ SV65 @ ( powerset @ SV23 ) )
        | ( ( subset_difference @ SV23 @ SV56 @ SV65 )
          = ( set_difference @ SV56 @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[325]) ).

thf(379,plain,
    ! [SV57: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV57 ) )
        = $true )
      | ( ( element @ SV25 @ SV57 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[326]) ).

thf(380,plain,
    ! [SV58: $i,SV26: $i] :
      ( ( ( ~ ( element @ SV26 @ SV58 ) )
        = $true )
      | ( ( ( empty @ SV58 )
          | ( in @ SV26 @ SV58 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[327]) ).

thf(381,plain,
    ! [SV28: $i,SV59: $i] :
      ( ( ( ~ ( element @ SV59 @ ( powerset @ ( powerset @ SV28 ) ) ) )
        = $true )
      | ( ( ( SV59 = empty_set )
          | ( ( union_of_subsets @ SV28 @ ( complements_of_subsets @ SV28 @ SV59 ) )
            = ( subset_difference @ SV28 @ ( cast_to_subset @ SV28 ) @ ( meet_of_subsets @ SV28 @ SV59 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[328]) ).

thf(382,plain,
    ! [SV30: $i,SV66: $i,SV60: $i] :
      ( ( ~ ( element @ SV60 @ ( powerset @ SV66 ) )
        | ~ ( in @ SV30 @ SV60 )
        | ( element @ SV30 @ SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[329]) ).

thf(383,plain,
    ! [SV31: $i,SV67: $i,SV61: $i] :
      ( ( ~ ( element @ SV61 @ ( powerset @ SV67 ) )
        | ~ ( in @ SV31 @ SV61 )
        | ~ ( empty @ SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[330]) ).

thf(384,plain,
    ! [SV32: $i] :
      ( ( ( empty @ SV32 )
        = $false )
      | ( ( SV32 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[331]) ).

thf(385,plain,
    ! [SV33: $i,SV62: $i] :
      ( ( ( ~ ( empty @ SV62 ) )
        = $true )
      | ( ( ~ ( in @ SV33 @ SV62 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[332]) ).

thf(386,plain,
    ! [SV63: $i,SV34: $i] :
      ( ( ( ( SV34 = SV63 )
          | ~ ( empty @ SV34 ) )
        = $true )
      | ( ( ~ ( empty @ SV63 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[333]) ).

thf(387,plain,
    ! [SV35: $i] :
      ( ( ( v4_membered @ SV35 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SY123: $i] :
                                ( ~ ( element @ SY123 @ SV35 )
                                | ( v1_xcmplx_0 @ SY123 ) )
                          | ~ ! [SY124: $i] :
                                ( ~ ( element @ SY124 @ SV35 )
                                | ( v1_xreal_0 @ SY124 ) ) )
                    | ~ ! [SY125: $i] :
                          ( ~ ( element @ SY125 @ SV35 )
                          | ( v1_int_1 @ SY125 ) ) )
              | ~ ! [SY126: $i] :
                    ( ~ ( element @ SY126 @ SV35 )
                    | ( v1_rat_1 @ SY126 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[334]) ).

thf(388,plain,
    ! [SV36: $i] :
      ( ( ( v5_membered @ SV36 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                                      ( ~ ( element @ SY127 @ SV36 )
                                      | ( natural @ SY127 ) )
                                | ~ ! [SY128: $i] :
                                      ( ~ ( element @ SY128 @ SV36 )
                                      | ( v1_xcmplx_0 @ SY128 ) ) )
                          | ~ ! [SY129: $i] :
                                ( ~ ( element @ SY129 @ SV36 )
                                | ( v1_xreal_0 @ SY129 ) ) )
                    | ~ ! [SY130: $i] :
                          ( ~ ( element @ SY130 @ SV36 )
                          | ( v1_int_1 @ SY130 ) ) )
              | ~ ! [SY131: $i] :
                    ( ~ ( element @ SY131 @ SV36 )
                    | ( v1_rat_1 @ SY131 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[335]) ).

thf(389,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[336]) ).

thf(390,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[337]) ).

thf(391,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                            | ~ ( v1_membered @ empty_set ) )
                      | ~ ( v2_membered @ empty_set ) )
                | ~ ( v3_membered @ empty_set ) )
          | ~ ( v4_membered @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[338]) ).

thf(392,plain,
    ( ( v5_membered @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[339]) ).

thf(393,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( element @ ( sK4_B @ SV37 ) @ ( powerset @ SV37 ) )
          | ~ ~ ( empty @ ( sK4_B @ SV37 ) ) )
        = $false )
      | ( ( empty @ SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[340]) ).

thf(394,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                            ( ~ ( v5_membered @ SX0 )
                            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( v5_membered @ SX0 )
                            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( v5_membered @ SX0 )
                      | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v5_membered @ SX0 )
                | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[341]) ).

thf(395,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ! [SX1: $i] : ( v5_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[342]) ).

thf(396,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v2_membered @ SX0 )
          | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[343]) ).

thf(397,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v2_membered @ SX0 )
          | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[344]) ).

thf(398,plain,
    ! [SV38: $i] :
      ( ( ( v5_membered @ SV38 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                                      ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                                      | ( v1_membered @ SY132 ) )
                                | ~ ! [SY133: $i] :
                                      ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                                      | ( v2_membered @ SY133 ) ) )
                          | ~ ! [SY134: $i] :
                                ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                                | ( v3_membered @ SY134 ) ) )
                    | ~ ! [SY135: $i] :
                          ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                          | ( v4_membered @ SY135 ) ) )
              | ~ ! [SY136: $i] :
                    ( ~ ( element @ SY136 @ ( powerset @ SV38 ) )
                    | ( v5_membered @ SY136 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[345]) ).

thf(399,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                            ( ~ ( empty @ SX0 )
                            | ( v1_membered @ SX0 ) )
                      | ~ ! [SX0: $i] :
                            ( ~ ( empty @ SX0 )
                            | ( v2_membered @ SX0 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ( v3_membered @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( v4_membered @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[346]) ).

thf(400,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( v5_membered @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[347]) ).

thf(401,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( v3_membered @ SX0 )
                | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v3_membered @ SX0 )
                | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[348]) ).

thf(402,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v3_membered @ SX0 )
          | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[349]) ).

thf(403,plain,
    ! [SV39: $i] :
      ( ( ( v2_membered @ SV39 )
        = $false )
      | ( ( ~ ( ~ ! [SY137: $i] :
                    ( ~ ( element @ SY137 @ SV39 )
                    | ( v1_xcmplx_0 @ SY137 ) )
              | ~ ! [SY138: $i] :
                    ( ~ ( element @ SY138 @ SV39 )
                    | ( v1_xreal_0 @ SY138 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[350]) ).

thf(404,plain,
    ! [SV40: $i] :
      ( ( ~ ( element @ ( sK3_B @ SV40 ) @ ( powerset @ SV40 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[351]) ).

thf(405,plain,
    ! [SV40: $i] :
      ( ( ~ ( empty @ ( sK3_B @ SV40 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[351]) ).

thf(406,plain,
    ! [SV41: $i] :
      ( ( ( v4_membered @ SV41 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SY139: $i] :
                                ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                                | ( v1_membered @ SY139 ) )
                          | ~ ! [SY140: $i] :
                                ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                                | ( v2_membered @ SY140 ) ) )
                    | ~ ! [SY141: $i] :
                          ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                          | ( v3_membered @ SY141 ) ) )
              | ~ ! [SY142: $i] :
                    ( ~ ( element @ SY142 @ ( powerset @ SV41 ) )
                    | ( v4_membered @ SY142 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[352]) ).

thf(407,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( v4_membered @ SX0 )
                      | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( v4_membered @ SX0 )
                      | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v4_membered @ SX0 )
                | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[353]) ).

thf(408,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v4_membered @ SX0 )
          | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[354]) ).

thf(409,plain,
    ! [SV42: $i] :
      ( ( ( v3_membered @ SV42 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ! [SY143: $i] :
                          ( ~ ( element @ SY143 @ SV42 )
                          | ( v1_xcmplx_0 @ SY143 ) )
                    | ~ ! [SY144: $i] :
                          ( ~ ( element @ SY144 @ SV42 )
                          | ( v1_xreal_0 @ SY144 ) ) )
              | ~ ! [SY145: $i] :
                    ( ~ ( element @ SY145 @ SV42 )
                    | ( v1_rat_1 @ SY145 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[355]) ).

thf(410,plain,
    ! [SV43: $i] :
      ( ( ( v2_membered @ SV43 )
        = $false )
      | ( ( ~ ( ~ ! [SY146: $i] :
                    ( ~ ( element @ SY146 @ ( powerset @ SV43 ) )
                    | ( v1_membered @ SY146 ) )
              | ~ ! [SY147: $i] :
                    ( ~ ( element @ SY147 @ ( powerset @ SV43 ) )
                    | ( v2_membered @ SY147 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[356]) ).

thf(411,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                            | ~ ( v1_membered @ sK5_A ) )
                      | ~ ( v2_membered @ sK5_A ) )
                | ~ ( v3_membered @ sK5_A ) )
          | ~ ( v4_membered @ sK5_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[357]) ).

thf(412,plain,
    ( ( v5_membered @ sK5_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[358]) ).

thf(413,plain,
    ! [SV44: $i] :
      ( ( ( v3_membered @ SV44 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ! [SY148: $i] :
                          ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                          | ( v1_membered @ SY148 ) )
                    | ~ ! [SY149: $i] :
                          ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                          | ( v2_membered @ SY149 ) ) )
              | ~ ! [SY150: $i] :
                    ( ~ ( element @ SY150 @ ( powerset @ SV44 ) )
                    | ( v3_membered @ SY150 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[359]) ).

thf(414,plain,
    ! [SV45: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV45 )
        = $false )
      | ( ( ~ ( in @ SV45 @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[360]) ).

thf(415,plain,
    ! [SV2: $i,SV68: $i] :
      ( ( ( ~ ( element @ SV68 @ SV2 )
          | ( v1_xcmplx_0 @ SV68 ) )
        = $true )
      | ( ( v1_membered @ SV2 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[361]) ).

thf(416,plain,
    ! [SV3: $i,SV69: $i] :
      ( ( ( ~ ( element @ SV69 @ ( powerset @ SV3 ) )
          | ( v1_membered @ SV69 ) )
        = $true )
      | ( ( v1_membered @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[362]) ).

thf(417,plain,
    ! [SV9: $i,SV46: $i] :
      ( ( ( element @ SV46 @ ( powerset @ SV9 ) )
        = $false )
      | ( ( ( subset_complement @ SV9 @ SV46 )
          = ( set_difference @ SV9 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[367]) ).

thf(418,plain,
    ! [SV11: $i,SV47: $i] :
      ( ( ( element @ SV47 @ ( powerset @ SV11 ) )
        = $false )
      | ( ( element @ ( subset_complement @ SV11 @ SV47 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[368]) ).

thf(419,plain,
    ! [SV12: $i,SV48: $i] :
      ( ( ( element @ SV48 @ ( powerset @ ( powerset @ SV12 ) ) )
        = $false )
      | ( ( element @ ( union_of_subsets @ SV12 @ SV48 ) @ ( powerset @ SV12 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[369]) ).

thf(420,plain,
    ! [SV13: $i,SV49: $i] :
      ( ( ( element @ SV49 @ ( powerset @ ( powerset @ SV13 ) ) )
        = $false )
      | ( ( element @ ( meet_of_subsets @ SV13 @ SV49 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[370]) ).

thf(421,plain,
    ! [SV64: $i,SV14: $i,SV50: $i] :
      ( ( ( ~ ( element @ SV50 @ ( powerset @ SV14 ) )
          | ~ ( element @ SV64 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV14 @ SV50 @ SV64 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[371]) ).

thf(422,plain,
    ! [SV15: $i,SV51: $i] :
      ( ( ( element @ SV51 @ ( powerset @ ( powerset @ SV15 ) ) )
        = $false )
      | ( ( element @ ( complements_of_subsets @ SV15 @ SV51 ) @ ( powerset @ ( powerset @ SV15 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[372]) ).

thf(423,plain,
    ! [SV70: $i,SV18: $i] :
      ( ( ( v1_membered @ ( set_difference @ SV18 @ SV70 ) )
        = $true )
      | ( ( v1_membered @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[373]) ).

thf(424,plain,
    ! [SV19: $i,SV52: $i] :
      ( ( ( element @ SV52 @ ( powerset @ SV19 ) )
        = $false )
      | ( ( ( subset_complement @ SV19 @ ( subset_complement @ SV19 @ SV52 ) )
          = SV52 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[374]) ).

thf(425,plain,
    ! [SV20: $i,SV53: $i] :
      ( ( ( element @ SV53 @ ( powerset @ ( powerset @ SV20 ) ) )
        = $false )
      | ( ( ( complements_of_subsets @ SV20 @ ( complements_of_subsets @ SV20 @ SV53 ) )
          = SV53 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[375]) ).

thf(426,plain,
    ! [SV21: $i,SV54: $i] :
      ( ( ( element @ SV54 @ ( powerset @ ( powerset @ SV21 ) ) )
        = $false )
      | ( ( ( union_of_subsets @ SV21 @ SV54 )
          = ( union @ SV54 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[376]) ).

thf(427,plain,
    ! [SV22: $i,SV55: $i] :
      ( ( ( element @ SV55 @ ( powerset @ ( powerset @ SV22 ) ) )
        = $false )
      | ( ( ( meet_of_subsets @ SV22 @ SV55 )
          = ( set_meet @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[377]) ).

thf(428,plain,
    ! [SV65: $i,SV23: $i,SV56: $i] :
      ( ( ( ~ ( element @ SV56 @ ( powerset @ SV23 ) )
          | ~ ( element @ SV65 @ ( powerset @ SV23 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV23 @ SV56 @ SV65 )
          = ( set_difference @ SV56 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[378]) ).

thf(429,plain,
    ! [SV57: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV57 )
        = $false )
      | ( ( element @ SV25 @ SV57 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[379]) ).

thf(430,plain,
    ! [SV58: $i,SV26: $i] :
      ( ( ( element @ SV26 @ SV58 )
        = $false )
      | ( ( ( empty @ SV58 )
          | ( in @ SV26 @ SV58 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[380]) ).

thf(431,plain,
    ! [SV28: $i,SV59: $i] :
      ( ( ( element @ SV59 @ ( powerset @ ( powerset @ SV28 ) ) )
        = $false )
      | ( ( ( SV59 = empty_set )
          | ( ( union_of_subsets @ SV28 @ ( complements_of_subsets @ SV28 @ SV59 ) )
            = ( subset_difference @ SV28 @ ( cast_to_subset @ SV28 ) @ ( meet_of_subsets @ SV28 @ SV59 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[381]) ).

thf(432,plain,
    ! [SV30: $i,SV66: $i,SV60: $i] :
      ( ( ( ~ ( element @ SV60 @ ( powerset @ SV66 ) )
          | ~ ( in @ SV30 @ SV60 ) )
        = $true )
      | ( ( element @ SV30 @ SV66 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[382]) ).

thf(433,plain,
    ! [SV31: $i,SV67: $i,SV61: $i] :
      ( ( ( ~ ( element @ SV61 @ ( powerset @ SV67 ) )
          | ~ ( in @ SV31 @ SV61 ) )
        = $true )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[383]) ).

thf(434,plain,
    ! [SV33: $i,SV62: $i] :
      ( ( ( empty @ SV62 )
        = $false )
      | ( ( ~ ( in @ SV33 @ SV62 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[385]) ).

thf(435,plain,
    ! [SV63: $i,SV34: $i] :
      ( ( ( SV34 = SV63 )
        = $true )
      | ( ( ~ ( empty @ SV34 ) )
        = $true )
      | ( ( ~ ( empty @ SV63 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[386]) ).

thf(436,plain,
    ! [SV35: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY123: $i] :
                            ( ~ ( element @ SY123 @ SV35 )
                            | ( v1_xcmplx_0 @ SY123 ) )
                      | ~ ! [SY124: $i] :
                            ( ~ ( element @ SY124 @ SV35 )
                            | ( v1_xreal_0 @ SY124 ) ) )
                | ~ ! [SY125: $i] :
                      ( ~ ( element @ SY125 @ SV35 )
                      | ( v1_int_1 @ SY125 ) ) )
          | ~ ! [SY126: $i] :
                ( ~ ( element @ SY126 @ SV35 )
                | ( v1_rat_1 @ SY126 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[387]) ).

thf(437,plain,
    ! [SV36: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                                  ( ~ ( element @ SY127 @ SV36 )
                                  | ( natural @ SY127 ) )
                            | ~ ! [SY128: $i] :
                                  ( ~ ( element @ SY128 @ SV36 )
                                  | ( v1_xcmplx_0 @ SY128 ) ) )
                      | ~ ! [SY129: $i] :
                            ( ~ ( element @ SY129 @ SV36 )
                            | ( v1_xreal_0 @ SY129 ) ) )
                | ~ ! [SY130: $i] :
                      ( ~ ( element @ SY130 @ SV36 )
                      | ( v1_int_1 @ SY130 ) ) )
          | ~ ! [SY131: $i] :
                ( ~ ( element @ SY131 @ SV36 )
                | ( v1_rat_1 @ SY131 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[388]) ).

thf(438,plain,
    ! [SV71: $i] :
      ( ( ! [SY155: $i] :
            ( ~ ( element @ SV71 @ ( powerset @ SY155 ) )
            | ( subset @ SV71 @ SY155 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[389]) ).

thf(439,plain,
    ! [SV72: $i] :
      ( ( ! [SY156: $i] :
            ( ~ ( subset @ SV72 @ SY156 )
            | ( element @ SV72 @ ( powerset @ SY156 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[390]) ).

thf(440,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                        | ~ ( v1_membered @ empty_set ) )
                  | ~ ( v2_membered @ empty_set ) )
            | ~ ( v3_membered @ empty_set ) )
      | ~ ( v4_membered @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[391]) ).

thf(441,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( element @ ( sK4_B @ SV37 ) @ ( powerset @ SV37 ) ) )
        = $false )
      | ( ( empty @ SV37 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[393]) ).

thf(442,plain,
    ! [SV37: $i] :
      ( ( ( ~ ~ ( empty @ ( sK4_B @ SV37 ) ) )
        = $false )
      | ( ( empty @ SV37 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[393]) ).

thf(443,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( v5_membered @ SX0 )
                        | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( v5_membered @ SX0 )
                        | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[394]) ).

thf(444,plain,
    ! [SV73: $i] :
      ( ( ~ ( v5_membered @ SV73 )
        | ! [SY157: $i] : ( v5_membered @ ( set_difference @ SV73 @ SY157 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[395]) ).

thf(445,plain,
    ! [SV74: $i] :
      ( ( ~ ( v2_membered @ SV74 )
        | ! [SY158: $i] : ( v1_membered @ ( set_difference @ SV74 @ SY158 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[396]) ).

thf(446,plain,
    ! [SV75: $i] :
      ( ( ~ ( v2_membered @ SV75 )
        | ! [SY159: $i] : ( v2_membered @ ( set_difference @ SV75 @ SY159 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[397]) ).

thf(447,plain,
    ! [SV38: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                                  ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                                  | ( v1_membered @ SY132 ) )
                            | ~ ! [SY133: $i] :
                                  ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                                  | ( v2_membered @ SY133 ) ) )
                      | ~ ! [SY134: $i] :
                            ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                            | ( v3_membered @ SY134 ) ) )
                | ~ ! [SY135: $i] :
                      ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                      | ( v4_membered @ SY135 ) ) )
          | ~ ! [SY136: $i] :
                ( ~ ( element @ SY136 @ ( powerset @ SV38 ) )
                | ( v5_membered @ SY136 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[398]) ).

thf(448,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( empty @ SX0 )
                        | ( v1_membered @ SX0 ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( empty @ SX0 )
                        | ( v2_membered @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v3_membered @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v4_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[399]) ).

thf(449,plain,
    ! [SV76: $i] :
      ( ( ~ ( empty @ SV76 )
        | ( v5_membered @ SV76 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[400]) ).

thf(450,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v3_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v3_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[401]) ).

thf(451,plain,
    ! [SV77: $i] :
      ( ( ~ ( v3_membered @ SV77 )
        | ! [SY160: $i] : ( v3_membered @ ( set_difference @ SV77 @ SY160 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[402]) ).

thf(452,plain,
    ! [SV39: $i] :
      ( ( ( ~ ! [SY137: $i] :
                ( ~ ( element @ SY137 @ SV39 )
                | ( v1_xcmplx_0 @ SY137 ) )
          | ~ ! [SY138: $i] :
                ( ~ ( element @ SY138 @ SV39 )
                | ( v1_xreal_0 @ SY138 ) ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[403]) ).

thf(453,plain,
    ! [SV40: $i] :
      ( ( element @ ( sK3_B @ SV40 ) @ ( powerset @ SV40 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[404]) ).

thf(454,plain,
    ! [SV40: $i] :
      ( ( empty @ ( sK3_B @ SV40 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[405]) ).

thf(455,plain,
    ! [SV41: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY139: $i] :
                            ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                            | ( v1_membered @ SY139 ) )
                      | ~ ! [SY140: $i] :
                            ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                            | ( v2_membered @ SY140 ) ) )
                | ~ ! [SY141: $i] :
                      ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                      | ( v3_membered @ SY141 ) ) )
          | ~ ! [SY142: $i] :
                ( ~ ( element @ SY142 @ ( powerset @ SV41 ) )
                | ( v4_membered @ SY142 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[406]) ).

thf(456,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( v4_membered @ SX0 )
                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v4_membered @ SX0 )
                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[407]) ).

thf(457,plain,
    ! [SV78: $i] :
      ( ( ~ ( v4_membered @ SV78 )
        | ! [SY161: $i] : ( v4_membered @ ( set_difference @ SV78 @ SY161 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[408]) ).

thf(458,plain,
    ! [SV42: $i] :
      ( ( ( ~ ~ ( ~ ! [SY143: $i] :
                      ( ~ ( element @ SY143 @ SV42 )
                      | ( v1_xcmplx_0 @ SY143 ) )
                | ~ ! [SY144: $i] :
                      ( ~ ( element @ SY144 @ SV42 )
                      | ( v1_xreal_0 @ SY144 ) ) )
          | ~ ! [SY145: $i] :
                ( ~ ( element @ SY145 @ SV42 )
                | ( v1_rat_1 @ SY145 ) ) )
        = $false )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[409]) ).

thf(459,plain,
    ! [SV43: $i] :
      ( ( ( ~ ! [SY146: $i] :
                ( ~ ( element @ SY146 @ ( powerset @ SV43 ) )
                | ( v1_membered @ SY146 ) )
          | ~ ! [SY147: $i] :
                ( ~ ( element @ SY147 @ ( powerset @ SV43 ) )
                | ( v2_membered @ SY147 ) ) )
        = $false )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[410]) ).

thf(460,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                        | ~ ( v1_membered @ sK5_A ) )
                  | ~ ( v2_membered @ sK5_A ) )
            | ~ ( v3_membered @ sK5_A ) )
      | ~ ( v4_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[411]) ).

thf(461,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( ~ ! [SY148: $i] :
                      ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                      | ( v1_membered @ SY148 ) )
                | ~ ! [SY149: $i] :
                      ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                      | ( v2_membered @ SY149 ) ) )
          | ~ ! [SY150: $i] :
                ( ~ ( element @ SY150 @ ( powerset @ SV44 ) )
                | ( v3_membered @ SY150 ) ) )
        = $false )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[413]) ).

thf(462,plain,
    ! [SV1: $i,SV45: $i] :
      ( ( ( in @ SV45 @ SV1 )
        = $false )
      | ( ( in @ SV1 @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[414]) ).

thf(463,plain,
    ! [SV2: $i,SV68: $i] :
      ( ( ( ~ ( element @ SV68 @ SV2 ) )
        = $true )
      | ( ( v1_xcmplx_0 @ SV68 )
        = $true )
      | ( ( v1_membered @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[415]) ).

thf(464,plain,
    ! [SV3: $i,SV69: $i] :
      ( ( ( ~ ( element @ SV69 @ ( powerset @ SV3 ) ) )
        = $true )
      | ( ( v1_membered @ SV69 )
        = $true )
      | ( ( v1_membered @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[416]) ).

thf(465,plain,
    ! [SV64: $i,SV14: $i,SV50: $i] :
      ( ( ( ~ ( element @ SV50 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( ~ ( element @ SV64 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV14 @ SV50 @ SV64 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[421]) ).

thf(466,plain,
    ! [SV65: $i,SV23: $i,SV56: $i] :
      ( ( ( ~ ( element @ SV56 @ ( powerset @ SV23 ) ) )
        = $true )
      | ( ( ~ ( element @ SV65 @ ( powerset @ SV23 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV23 @ SV56 @ SV65 )
          = ( set_difference @ SV56 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[428]) ).

thf(467,plain,
    ! [SV26: $i,SV58: $i] :
      ( ( ( empty @ SV58 )
        = $true )
      | ( ( in @ SV26 @ SV58 )
        = $true )
      | ( ( element @ SV26 @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[430]) ).

thf(468,plain,
    ! [SV28: $i,SV59: $i] :
      ( ( ( SV59 = empty_set )
        = $true )
      | ( ( ( union_of_subsets @ SV28 @ ( complements_of_subsets @ SV28 @ SV59 ) )
          = ( subset_difference @ SV28 @ ( cast_to_subset @ SV28 ) @ ( meet_of_subsets @ SV28 @ SV59 ) ) )
        = $true )
      | ( ( element @ SV59 @ ( powerset @ ( powerset @ SV28 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[431]) ).

thf(469,plain,
    ! [SV30: $i,SV66: $i,SV60: $i] :
      ( ( ( ~ ( element @ SV60 @ ( powerset @ SV66 ) ) )
        = $true )
      | ( ( ~ ( in @ SV30 @ SV60 ) )
        = $true )
      | ( ( element @ SV30 @ SV66 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[432]) ).

thf(470,plain,
    ! [SV31: $i,SV67: $i,SV61: $i] :
      ( ( ( ~ ( element @ SV61 @ ( powerset @ SV67 ) ) )
        = $true )
      | ( ( ~ ( in @ SV31 @ SV61 ) )
        = $true )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[433]) ).

thf(471,plain,
    ! [SV62: $i,SV33: $i] :
      ( ( ( in @ SV33 @ SV62 )
        = $false )
      | ( ( empty @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[434]) ).

thf(472,plain,
    ! [SV63: $i,SV34: $i] :
      ( ( ( empty @ SV34 )
        = $false )
      | ( ( SV34 = SV63 )
        = $true )
      | ( ( ~ ( empty @ SV63 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[435]) ).

thf(473,plain,
    ! [SV35: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY123: $i] :
                            ( ~ ( element @ SY123 @ SV35 )
                            | ( v1_xcmplx_0 @ SY123 ) )
                      | ~ ! [SY124: $i] :
                            ( ~ ( element @ SY124 @ SV35 )
                            | ( v1_xreal_0 @ SY124 ) ) )
                | ~ ! [SY125: $i] :
                      ( ~ ( element @ SY125 @ SV35 )
                      | ( v1_int_1 @ SY125 ) ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[436]) ).

thf(474,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY126: $i] :
                ( ~ ( element @ SY126 @ SV35 )
                | ( v1_rat_1 @ SY126 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[436]) ).

thf(475,plain,
    ! [SV36: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                                  ( ~ ( element @ SY127 @ SV36 )
                                  | ( natural @ SY127 ) )
                            | ~ ! [SY128: $i] :
                                  ( ~ ( element @ SY128 @ SV36 )
                                  | ( v1_xcmplx_0 @ SY128 ) ) )
                      | ~ ! [SY129: $i] :
                            ( ~ ( element @ SY129 @ SV36 )
                            | ( v1_xreal_0 @ SY129 ) ) )
                | ~ ! [SY130: $i] :
                      ( ~ ( element @ SY130 @ SV36 )
                      | ( v1_int_1 @ SY130 ) ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[437]) ).

thf(476,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY131: $i] :
                ( ~ ( element @ SY131 @ SV36 )
                | ( v1_rat_1 @ SY131 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[437]) ).

thf(477,plain,
    ! [SV79: $i,SV71: $i] :
      ( ( ~ ( element @ SV71 @ ( powerset @ SV79 ) )
        | ( subset @ SV71 @ SV79 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[438]) ).

thf(478,plain,
    ! [SV80: $i,SV72: $i] :
      ( ( ~ ( subset @ SV72 @ SV80 )
        | ( element @ SV72 @ ( powerset @ SV80 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[439]) ).

thf(479,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                        | ~ ( v1_membered @ empty_set ) )
                  | ~ ( v2_membered @ empty_set ) )
            | ~ ( v3_membered @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[440]) ).

thf(480,plain,
    ( ( ~ ( v4_membered @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[440]) ).

thf(481,plain,
    ! [SV37: $i] :
      ( ( ( element @ ( sK4_B @ SV37 ) @ ( powerset @ SV37 ) )
        = $true )
      | ( ( empty @ SV37 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[441]) ).

thf(482,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( empty @ ( sK4_B @ SV37 ) ) )
        = $true )
      | ( ( empty @ SV37 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[442]) ).

thf(483,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( v5_membered @ SX0 )
                        | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( v5_membered @ SX0 )
                        | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[443]) ).

thf(484,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[443]) ).

thf(485,plain,
    ! [SV73: $i] :
      ( ( ( ~ ( v5_membered @ SV73 ) )
        = $true )
      | ( ( ! [SY157: $i] : ( v5_membered @ ( set_difference @ SV73 @ SY157 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[444]) ).

thf(486,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( v2_membered @ SV74 ) )
        = $true )
      | ( ( ! [SY158: $i] : ( v1_membered @ ( set_difference @ SV74 @ SY158 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[445]) ).

thf(487,plain,
    ! [SV75: $i] :
      ( ( ( ~ ( v2_membered @ SV75 ) )
        = $true )
      | ( ( ! [SY159: $i] : ( v2_membered @ ( set_difference @ SV75 @ SY159 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[446]) ).

thf(488,plain,
    ! [SV38: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                                  ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                                  | ( v1_membered @ SY132 ) )
                            | ~ ! [SY133: $i] :
                                  ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                                  | ( v2_membered @ SY133 ) ) )
                      | ~ ! [SY134: $i] :
                            ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                            | ( v3_membered @ SY134 ) ) )
                | ~ ! [SY135: $i] :
                      ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                      | ( v4_membered @ SY135 ) ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[447]) ).

thf(489,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY136: $i] :
                ( ~ ( element @ SY136 @ ( powerset @ SV38 ) )
                | ( v5_membered @ SY136 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[447]) ).

thf(490,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ! [SX0: $i] :
                        ( ~ ( empty @ SX0 )
                        | ( v1_membered @ SX0 ) )
                  | ~ ! [SX0: $i] :
                        ( ~ ( empty @ SX0 )
                        | ( v2_membered @ SX0 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v3_membered @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[448]) ).

thf(491,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v4_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[448]) ).

thf(492,plain,
    ! [SV76: $i] :
      ( ( ( ~ ( empty @ SV76 ) )
        = $true )
      | ( ( v5_membered @ SV76 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[449]) ).

thf(493,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v3_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[450]) ).

thf(494,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v3_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[450]) ).

thf(495,plain,
    ! [SV77: $i] :
      ( ( ( ~ ( v3_membered @ SV77 ) )
        = $true )
      | ( ( ! [SY160: $i] : ( v3_membered @ ( set_difference @ SV77 @ SY160 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[451]) ).

thf(496,plain,
    ! [SV39: $i] :
      ( ( ( ~ ! [SY137: $i] :
                ( ~ ( element @ SY137 @ SV39 )
                | ( v1_xcmplx_0 @ SY137 ) ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[452]) ).

thf(497,plain,
    ! [SV39: $i] :
      ( ( ( ~ ! [SY138: $i] :
                ( ~ ( element @ SY138 @ SV39 )
                | ( v1_xreal_0 @ SY138 ) ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[452]) ).

thf(498,plain,
    ! [SV41: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY139: $i] :
                            ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                            | ( v1_membered @ SY139 ) )
                      | ~ ! [SY140: $i] :
                            ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                            | ( v2_membered @ SY140 ) ) )
                | ~ ! [SY141: $i] :
                      ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                      | ( v3_membered @ SY141 ) ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[455]) ).

thf(499,plain,
    ! [SV41: $i] :
      ( ( ( ~ ! [SY142: $i] :
                ( ~ ( element @ SY142 @ ( powerset @ SV41 ) )
                | ( v4_membered @ SY142 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[455]) ).

thf(500,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( v4_membered @ SX0 )
                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v4_membered @ SX0 )
                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[456]) ).

thf(501,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[456]) ).

thf(502,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( v4_membered @ SV78 ) )
        = $true )
      | ( ( ! [SY161: $i] : ( v4_membered @ ( set_difference @ SV78 @ SY161 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[457]) ).

thf(503,plain,
    ! [SV42: $i] :
      ( ( ( ~ ~ ( ~ ! [SY143: $i] :
                      ( ~ ( element @ SY143 @ SV42 )
                      | ( v1_xcmplx_0 @ SY143 ) )
                | ~ ! [SY144: $i] :
                      ( ~ ( element @ SY144 @ SV42 )
                      | ( v1_xreal_0 @ SY144 ) ) ) )
        = $false )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[458]) ).

thf(504,plain,
    ! [SV42: $i] :
      ( ( ( ~ ! [SY145: $i] :
                ( ~ ( element @ SY145 @ SV42 )
                | ( v1_rat_1 @ SY145 ) ) )
        = $false )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[458]) ).

thf(505,plain,
    ! [SV43: $i] :
      ( ( ( ~ ! [SY146: $i] :
                ( ~ ( element @ SY146 @ ( powerset @ SV43 ) )
                | ( v1_membered @ SY146 ) ) )
        = $false )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[459]) ).

thf(506,plain,
    ! [SV43: $i] :
      ( ( ( ~ ! [SY147: $i] :
                ( ~ ( element @ SY147 @ ( powerset @ SV43 ) )
                | ( v2_membered @ SY147 ) ) )
        = $false )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[459]) ).

thf(507,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                        | ~ ( v1_membered @ sK5_A ) )
                  | ~ ( v2_membered @ sK5_A ) )
            | ~ ( v3_membered @ sK5_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[460]) ).

thf(508,plain,
    ( ( ~ ( v4_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[460]) ).

thf(509,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( ~ ! [SY148: $i] :
                      ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                      | ( v1_membered @ SY148 ) )
                | ~ ! [SY149: $i] :
                      ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                      | ( v2_membered @ SY149 ) ) ) )
        = $false )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[461]) ).

thf(510,plain,
    ! [SV44: $i] :
      ( ( ( ~ ! [SY150: $i] :
                ( ~ ( element @ SY150 @ ( powerset @ SV44 ) )
                | ( v3_membered @ SY150 ) ) )
        = $false )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[461]) ).

thf(511,plain,
    ! [SV2: $i,SV68: $i] :
      ( ( ( element @ SV68 @ SV2 )
        = $false )
      | ( ( v1_xcmplx_0 @ SV68 )
        = $true )
      | ( ( v1_membered @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[463]) ).

thf(512,plain,
    ! [SV3: $i,SV69: $i] :
      ( ( ( element @ SV69 @ ( powerset @ SV3 ) )
        = $false )
      | ( ( v1_membered @ SV69 )
        = $true )
      | ( ( v1_membered @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[464]) ).

thf(513,plain,
    ! [SV64: $i,SV14: $i,SV50: $i] :
      ( ( ( element @ SV50 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( ~ ( element @ SV64 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV14 @ SV50 @ SV64 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[465]) ).

thf(514,plain,
    ! [SV65: $i,SV23: $i,SV56: $i] :
      ( ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false )
      | ( ( ~ ( element @ SV65 @ ( powerset @ SV23 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV23 @ SV56 @ SV65 )
          = ( set_difference @ SV56 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[466]) ).

thf(515,plain,
    ! [SV30: $i,SV66: $i,SV60: $i] :
      ( ( ( element @ SV60 @ ( powerset @ SV66 ) )
        = $false )
      | ( ( ~ ( in @ SV30 @ SV60 ) )
        = $true )
      | ( ( element @ SV30 @ SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[469]) ).

thf(516,plain,
    ! [SV31: $i,SV67: $i,SV61: $i] :
      ( ( ( element @ SV61 @ ( powerset @ SV67 ) )
        = $false )
      | ( ( ~ ( in @ SV31 @ SV61 ) )
        = $true )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[470]) ).

thf(517,plain,
    ! [SV34: $i,SV63: $i] :
      ( ( ( empty @ SV63 )
        = $false )
      | ( ( SV34 = SV63 )
        = $true )
      | ( ( empty @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[472]) ).

thf(518,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ! [SY123: $i] :
                          ( ~ ( element @ SY123 @ SV35 )
                          | ( v1_xcmplx_0 @ SY123 ) )
                    | ~ ! [SY124: $i] :
                          ( ~ ( element @ SY124 @ SV35 )
                          | ( v1_xreal_0 @ SY124 ) ) )
              | ~ ! [SY125: $i] :
                    ( ~ ( element @ SY125 @ SV35 )
                    | ( v1_int_1 @ SY125 ) ) ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[473]) ).

thf(519,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY126: $i] :
              ( ~ ( element @ SY126 @ SV35 )
              | ( v1_rat_1 @ SY126 ) ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[474]) ).

thf(520,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                                ( ~ ( element @ SY127 @ SV36 )
                                | ( natural @ SY127 ) )
                          | ~ ! [SY128: $i] :
                                ( ~ ( element @ SY128 @ SV36 )
                                | ( v1_xcmplx_0 @ SY128 ) ) )
                    | ~ ! [SY129: $i] :
                          ( ~ ( element @ SY129 @ SV36 )
                          | ( v1_xreal_0 @ SY129 ) ) )
              | ~ ! [SY130: $i] :
                    ( ~ ( element @ SY130 @ SV36 )
                    | ( v1_int_1 @ SY130 ) ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[475]) ).

thf(521,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY131: $i] :
              ( ~ ( element @ SY131 @ SV36 )
              | ( v1_rat_1 @ SY131 ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[476]) ).

thf(522,plain,
    ! [SV79: $i,SV71: $i] :
      ( ( ( ~ ( element @ SV71 @ ( powerset @ SV79 ) ) )
        = $true )
      | ( ( subset @ SV71 @ SV79 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[477]) ).

thf(523,plain,
    ! [SV80: $i,SV72: $i] :
      ( ( ( ~ ( subset @ SV72 @ SV80 ) )
        = $true )
      | ( ( element @ SV72 @ ( powerset @ SV80 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[478]) ).

thf(524,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                      | ~ ( v1_membered @ empty_set ) )
                | ~ ( v2_membered @ empty_set ) )
          | ~ ( v3_membered @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[479]) ).

thf(525,plain,
    ( ( v4_membered @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[480]) ).

thf(526,plain,
    ! [SV37: $i] :
      ( ( ( empty @ ( sK4_B @ SV37 ) )
        = $false )
      | ( ( empty @ SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[482]) ).

thf(527,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( v5_membered @ SX0 )
                      | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( v5_membered @ SX0 )
                      | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v5_membered @ SX0 )
                | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[483]) ).

thf(528,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ! [SX1: $i] : ( v4_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[484]) ).

thf(529,plain,
    ! [SV73: $i] :
      ( ( ( v5_membered @ SV73 )
        = $false )
      | ( ( ! [SY157: $i] : ( v5_membered @ ( set_difference @ SV73 @ SY157 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[485]) ).

thf(530,plain,
    ! [SV74: $i] :
      ( ( ( v2_membered @ SV74 )
        = $false )
      | ( ( ! [SY158: $i] : ( v1_membered @ ( set_difference @ SV74 @ SY158 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[486]) ).

thf(531,plain,
    ! [SV75: $i] :
      ( ( ( v2_membered @ SV75 )
        = $false )
      | ( ( ! [SY159: $i] : ( v2_membered @ ( set_difference @ SV75 @ SY159 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[487]) ).

thf(532,plain,
    ! [SV38: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                                ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                                | ( v1_membered @ SY132 ) )
                          | ~ ! [SY133: $i] :
                                ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                                | ( v2_membered @ SY133 ) ) )
                    | ~ ! [SY134: $i] :
                          ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                          | ( v3_membered @ SY134 ) ) )
              | ~ ! [SY135: $i] :
                    ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                    | ( v4_membered @ SY135 ) ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[488]) ).

thf(533,plain,
    ! [SV38: $i] :
      ( ( ( ! [SY136: $i] :
              ( ~ ( element @ SY136 @ ( powerset @ SV38 ) )
              | ( v5_membered @ SY136 ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[489]) ).

thf(534,plain,
    ( ( ~ ( ~ ~ ( ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ( v1_membered @ SX0 ) )
                | ~ ! [SX0: $i] :
                      ( ~ ( empty @ SX0 )
                      | ( v2_membered @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( v3_membered @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[490]) ).

thf(535,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( v4_membered @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[491]) ).

thf(536,plain,
    ! [SV76: $i] :
      ( ( ( empty @ SV76 )
        = $false )
      | ( ( v5_membered @ SV76 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[492]) ).

thf(537,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v3_membered @ SX0 )
          | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[493]) ).

thf(538,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v3_membered @ SX0 )
          | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[494]) ).

thf(539,plain,
    ! [SV77: $i] :
      ( ( ( v3_membered @ SV77 )
        = $false )
      | ( ( ! [SY160: $i] : ( v3_membered @ ( set_difference @ SV77 @ SY160 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[495]) ).

thf(540,plain,
    ! [SV39: $i] :
      ( ( ( ! [SY137: $i] :
              ( ~ ( element @ SY137 @ SV39 )
              | ( v1_xcmplx_0 @ SY137 ) ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[496]) ).

thf(541,plain,
    ! [SV39: $i] :
      ( ( ( ! [SY138: $i] :
              ( ~ ( element @ SY138 @ SV39 )
              | ( v1_xreal_0 @ SY138 ) ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[497]) ).

thf(542,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ! [SY139: $i] :
                          ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                          | ( v1_membered @ SY139 ) )
                    | ~ ! [SY140: $i] :
                          ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                          | ( v2_membered @ SY140 ) ) )
              | ~ ! [SY141: $i] :
                    ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                    | ( v3_membered @ SY141 ) ) ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[498]) ).

thf(543,plain,
    ! [SV41: $i] :
      ( ( ( ! [SY142: $i] :
              ( ~ ( element @ SY142 @ ( powerset @ SV41 ) )
              | ( v4_membered @ SY142 ) ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[499]) ).

thf(544,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( v4_membered @ SX0 )
                | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v4_membered @ SX0 )
                | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[500]) ).

thf(545,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v4_membered @ SX0 )
          | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[501]) ).

thf(546,plain,
    ! [SV78: $i] :
      ( ( ( v4_membered @ SV78 )
        = $false )
      | ( ( ! [SY161: $i] : ( v4_membered @ ( set_difference @ SV78 @ SY161 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[502]) ).

thf(547,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( ~ ! [SY143: $i] :
                    ( ~ ( element @ SY143 @ SV42 )
                    | ( v1_xcmplx_0 @ SY143 ) )
              | ~ ! [SY144: $i] :
                    ( ~ ( element @ SY144 @ SV42 )
                    | ( v1_xreal_0 @ SY144 ) ) ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[503]) ).

thf(548,plain,
    ! [SV42: $i] :
      ( ( ( ! [SY145: $i] :
              ( ~ ( element @ SY145 @ SV42 )
              | ( v1_rat_1 @ SY145 ) ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[504]) ).

thf(549,plain,
    ! [SV43: $i] :
      ( ( ( ! [SY146: $i] :
              ( ~ ( element @ SY146 @ ( powerset @ SV43 ) )
              | ( v1_membered @ SY146 ) ) )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[505]) ).

thf(550,plain,
    ! [SV43: $i] :
      ( ( ( ! [SY147: $i] :
              ( ~ ( element @ SY147 @ ( powerset @ SV43 ) )
              | ( v2_membered @ SY147 ) ) )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[506]) ).

thf(551,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                      | ~ ( v1_membered @ sK5_A ) )
                | ~ ( v2_membered @ sK5_A ) )
          | ~ ( v3_membered @ sK5_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[507]) ).

thf(552,plain,
    ( ( v4_membered @ sK5_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[508]) ).

thf(553,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ~ ! [SY148: $i] :
                    ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                    | ( v1_membered @ SY148 ) )
              | ~ ! [SY149: $i] :
                    ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                    | ( v2_membered @ SY149 ) ) ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[509]) ).

thf(554,plain,
    ! [SV44: $i] :
      ( ( ( ! [SY150: $i] :
              ( ~ ( element @ SY150 @ ( powerset @ SV44 ) )
              | ( v3_membered @ SY150 ) ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[510]) ).

thf(555,plain,
    ! [SV50: $i,SV14: $i,SV64: $i] :
      ( ( ( element @ SV64 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( element @ SV50 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV14 @ SV50 @ SV64 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[513]) ).

thf(556,plain,
    ! [SV56: $i,SV23: $i,SV65: $i] :
      ( ( ( element @ SV65 @ ( powerset @ SV23 ) )
        = $false )
      | ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false )
      | ( ( ( subset_difference @ SV23 @ SV56 @ SV65 )
          = ( set_difference @ SV56 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[514]) ).

thf(557,plain,
    ! [SV66: $i,SV60: $i,SV30: $i] :
      ( ( ( in @ SV30 @ SV60 )
        = $false )
      | ( ( element @ SV60 @ ( powerset @ SV66 ) )
        = $false )
      | ( ( element @ SV30 @ SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[515]) ).

thf(558,plain,
    ! [SV67: $i,SV61: $i,SV31: $i] :
      ( ( ( in @ SV31 @ SV61 )
        = $false )
      | ( ( element @ SV61 @ ( powerset @ SV67 ) )
        = $false )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[516]) ).

thf(559,plain,
    ! [SV35: $i] :
      ( ( ( ~ ~ ( ~ ! [SY123: $i] :
                      ( ~ ( element @ SY123 @ SV35 )
                      | ( v1_xcmplx_0 @ SY123 ) )
                | ~ ! [SY124: $i] :
                      ( ~ ( element @ SY124 @ SV35 )
                      | ( v1_xreal_0 @ SY124 ) ) )
          | ~ ! [SY125: $i] :
                ( ~ ( element @ SY125 @ SV35 )
                | ( v1_int_1 @ SY125 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[518]) ).

thf(560,plain,
    ! [SV35: $i,SV81: $i] :
      ( ( ( ~ ( element @ SV81 @ SV35 )
          | ( v1_rat_1 @ SV81 ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[519]) ).

thf(561,plain,
    ! [SV36: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                            ( ~ ( element @ SY127 @ SV36 )
                            | ( natural @ SY127 ) )
                      | ~ ! [SY128: $i] :
                            ( ~ ( element @ SY128 @ SV36 )
                            | ( v1_xcmplx_0 @ SY128 ) ) )
                | ~ ! [SY129: $i] :
                      ( ~ ( element @ SY129 @ SV36 )
                      | ( v1_xreal_0 @ SY129 ) ) )
          | ~ ! [SY130: $i] :
                ( ~ ( element @ SY130 @ SV36 )
                | ( v1_int_1 @ SY130 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[520]) ).

thf(562,plain,
    ! [SV36: $i,SV82: $i] :
      ( ( ( ~ ( element @ SV82 @ SV36 )
          | ( v1_rat_1 @ SV82 ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[521]) ).

thf(563,plain,
    ! [SV79: $i,SV71: $i] :
      ( ( ( element @ SV71 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( subset @ SV71 @ SV79 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[522]) ).

thf(564,plain,
    ! [SV80: $i,SV72: $i] :
      ( ( ( subset @ SV72 @ SV80 )
        = $false )
      | ( ( element @ SV72 @ ( powerset @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[523]) ).

thf(565,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                  | ~ ( v1_membered @ empty_set ) )
            | ~ ( v2_membered @ empty_set ) )
      | ~ ( v3_membered @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[524]) ).

thf(566,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[527]) ).

thf(567,plain,
    ! [SV83: $i] :
      ( ( ~ ( v5_membered @ SV83 )
        | ! [SY162: $i] : ( v4_membered @ ( set_difference @ SV83 @ SY162 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[528]) ).

thf(568,plain,
    ! [SV84: $i,SV73: $i] :
      ( ( ( v5_membered @ ( set_difference @ SV73 @ SV84 ) )
        = $true )
      | ( ( v5_membered @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[529]) ).

thf(569,plain,
    ! [SV85: $i,SV74: $i] :
      ( ( ( v1_membered @ ( set_difference @ SV74 @ SV85 ) )
        = $true )
      | ( ( v2_membered @ SV74 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[530]) ).

thf(570,plain,
    ! [SV86: $i,SV75: $i] :
      ( ( ( v2_membered @ ( set_difference @ SV75 @ SV86 ) )
        = $true )
      | ( ( v2_membered @ SV75 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[531]) ).

thf(571,plain,
    ! [SV38: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                            ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                            | ( v1_membered @ SY132 ) )
                      | ~ ! [SY133: $i] :
                            ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                            | ( v2_membered @ SY133 ) ) )
                | ~ ! [SY134: $i] :
                      ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                      | ( v3_membered @ SY134 ) ) )
          | ~ ! [SY135: $i] :
                ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                | ( v4_membered @ SY135 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[532]) ).

thf(572,plain,
    ! [SV38: $i,SV87: $i] :
      ( ( ( ~ ( element @ SV87 @ ( powerset @ SV38 ) )
          | ( v5_membered @ SV87 ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[533]) ).

thf(573,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v1_membered @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v2_membered @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v3_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[534]) ).

thf(574,plain,
    ! [SV88: $i] :
      ( ( ~ ( empty @ SV88 )
        | ( v4_membered @ SV88 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[535]) ).

thf(575,plain,
    ! [SV89: $i] :
      ( ( ~ ( v3_membered @ SV89 )
        | ! [SY163: $i] : ( v1_membered @ ( set_difference @ SV89 @ SY163 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[537]) ).

thf(576,plain,
    ! [SV90: $i] :
      ( ( ~ ( v3_membered @ SV90 )
        | ! [SY164: $i] : ( v2_membered @ ( set_difference @ SV90 @ SY164 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[538]) ).

thf(577,plain,
    ! [SV91: $i,SV77: $i] :
      ( ( ( v3_membered @ ( set_difference @ SV77 @ SV91 ) )
        = $true )
      | ( ( v3_membered @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[539]) ).

thf(578,plain,
    ! [SV39: $i,SV92: $i] :
      ( ( ( ~ ( element @ SV92 @ SV39 )
          | ( v1_xcmplx_0 @ SV92 ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[540]) ).

thf(579,plain,
    ! [SV39: $i,SV93: $i] :
      ( ( ( ~ ( element @ SV93 @ SV39 )
          | ( v1_xreal_0 @ SV93 ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[541]) ).

thf(580,plain,
    ! [SV41: $i] :
      ( ( ( ~ ~ ( ~ ! [SY139: $i] :
                      ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                      | ( v1_membered @ SY139 ) )
                | ~ ! [SY140: $i] :
                      ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                      | ( v2_membered @ SY140 ) ) )
          | ~ ! [SY141: $i] :
                ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                | ( v3_membered @ SY141 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[542]) ).

thf(581,plain,
    ! [SV41: $i,SV94: $i] :
      ( ( ( ~ ( element @ SV94 @ ( powerset @ SV41 ) )
          | ( v4_membered @ SV94 ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[543]) ).

thf(582,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[544]) ).

thf(583,plain,
    ! [SV95: $i] :
      ( ( ~ ( v4_membered @ SV95 )
        | ! [SY165: $i] : ( v3_membered @ ( set_difference @ SV95 @ SY165 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[545]) ).

thf(584,plain,
    ! [SV96: $i,SV78: $i] :
      ( ( ( v4_membered @ ( set_difference @ SV78 @ SV96 ) )
        = $true )
      | ( ( v4_membered @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[546]) ).

thf(585,plain,
    ! [SV42: $i] :
      ( ( ( ~ ! [SY143: $i] :
                ( ~ ( element @ SY143 @ SV42 )
                | ( v1_xcmplx_0 @ SY143 ) )
          | ~ ! [SY144: $i] :
                ( ~ ( element @ SY144 @ SV42 )
                | ( v1_xreal_0 @ SY144 ) ) )
        = $false )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[547]) ).

thf(586,plain,
    ! [SV42: $i,SV97: $i] :
      ( ( ( ~ ( element @ SV97 @ SV42 )
          | ( v1_rat_1 @ SV97 ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[548]) ).

thf(587,plain,
    ! [SV43: $i,SV98: $i] :
      ( ( ( ~ ( element @ SV98 @ ( powerset @ SV43 ) )
          | ( v1_membered @ SV98 ) )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[549]) ).

thf(588,plain,
    ! [SV43: $i,SV99: $i] :
      ( ( ( ~ ( element @ SV99 @ ( powerset @ SV43 ) )
          | ( v2_membered @ SV99 ) )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[550]) ).

thf(589,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                  | ~ ( v1_membered @ sK5_A ) )
            | ~ ( v2_membered @ sK5_A ) )
      | ~ ( v3_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[551]) ).

thf(590,plain,
    ! [SV44: $i] :
      ( ( ( ~ ! [SY148: $i] :
                ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                | ( v1_membered @ SY148 ) )
          | ~ ! [SY149: $i] :
                ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                | ( v2_membered @ SY149 ) ) )
        = $false )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[553]) ).

thf(591,plain,
    ! [SV44: $i,SV100: $i] :
      ( ( ( ~ ( element @ SV100 @ ( powerset @ SV44 ) )
          | ( v3_membered @ SV100 ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[554]) ).

thf(592,plain,
    ! [SV31: $i,SV61: $i,SV67: $i] :
      ( ( ( empty @ SV67 )
        = $false )
      | ( ( element @ SV61 @ ( powerset @ SV67 ) )
        = $false )
      | ( ( in @ SV31 @ SV61 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[558]) ).

thf(593,plain,
    ! [SV35: $i] :
      ( ( ( ~ ~ ( ~ ! [SY123: $i] :
                      ( ~ ( element @ SY123 @ SV35 )
                      | ( v1_xcmplx_0 @ SY123 ) )
                | ~ ! [SY124: $i] :
                      ( ~ ( element @ SY124 @ SV35 )
                      | ( v1_xreal_0 @ SY124 ) ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[559]) ).

thf(594,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY125: $i] :
                ( ~ ( element @ SY125 @ SV35 )
                | ( v1_int_1 @ SY125 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[559]) ).

thf(595,plain,
    ! [SV35: $i,SV81: $i] :
      ( ( ( ~ ( element @ SV81 @ SV35 ) )
        = $true )
      | ( ( v1_rat_1 @ SV81 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[560]) ).

thf(596,plain,
    ! [SV36: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY127: $i] :
                            ( ~ ( element @ SY127 @ SV36 )
                            | ( natural @ SY127 ) )
                      | ~ ! [SY128: $i] :
                            ( ~ ( element @ SY128 @ SV36 )
                            | ( v1_xcmplx_0 @ SY128 ) ) )
                | ~ ! [SY129: $i] :
                      ( ~ ( element @ SY129 @ SV36 )
                      | ( v1_xreal_0 @ SY129 ) ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[561]) ).

thf(597,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY130: $i] :
                ( ~ ( element @ SY130 @ SV36 )
                | ( v1_int_1 @ SY130 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[561]) ).

thf(598,plain,
    ! [SV36: $i,SV82: $i] :
      ( ( ( ~ ( element @ SV82 @ SV36 ) )
        = $true )
      | ( ( v1_rat_1 @ SV82 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[562]) ).

thf(599,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( empty @ empty_set )
                  | ~ ( v1_membered @ empty_set ) )
            | ~ ( v2_membered @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[565]) ).

thf(600,plain,
    ( ( ~ ( v3_membered @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[565]) ).

thf(601,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( v5_membered @ SX0 )
                  | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[566]) ).

thf(602,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[566]) ).

thf(603,plain,
    ! [SV83: $i] :
      ( ( ( ~ ( v5_membered @ SV83 ) )
        = $true )
      | ( ( ! [SY162: $i] : ( v4_membered @ ( set_difference @ SV83 @ SY162 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[567]) ).

thf(604,plain,
    ! [SV38: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ! [SY132: $i] :
                            ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                            | ( v1_membered @ SY132 ) )
                      | ~ ! [SY133: $i] :
                            ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                            | ( v2_membered @ SY133 ) ) )
                | ~ ! [SY134: $i] :
                      ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                      | ( v3_membered @ SY134 ) ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[571]) ).

thf(605,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY135: $i] :
                ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
                | ( v4_membered @ SY135 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[571]) ).

thf(606,plain,
    ! [SV38: $i,SV87: $i] :
      ( ( ( ~ ( element @ SV87 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( v5_membered @ SV87 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[572]) ).

thf(607,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v1_membered @ SX0 ) )
            | ~ ! [SX0: $i] :
                  ( ~ ( empty @ SX0 )
                  | ( v2_membered @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[573]) ).

thf(608,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v3_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[573]) ).

thf(609,plain,
    ! [SV88: $i] :
      ( ( ( ~ ( empty @ SV88 ) )
        = $true )
      | ( ( v4_membered @ SV88 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[574]) ).

thf(610,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( v3_membered @ SV89 ) )
        = $true )
      | ( ( ! [SY163: $i] : ( v1_membered @ ( set_difference @ SV89 @ SY163 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[575]) ).

thf(611,plain,
    ! [SV90: $i] :
      ( ( ( ~ ( v3_membered @ SV90 ) )
        = $true )
      | ( ( ! [SY164: $i] : ( v2_membered @ ( set_difference @ SV90 @ SY164 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[576]) ).

thf(612,plain,
    ! [SV39: $i,SV92: $i] :
      ( ( ( ~ ( element @ SV92 @ SV39 ) )
        = $true )
      | ( ( v1_xcmplx_0 @ SV92 )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[578]) ).

thf(613,plain,
    ! [SV39: $i,SV93: $i] :
      ( ( ( ~ ( element @ SV93 @ SV39 ) )
        = $true )
      | ( ( v1_xreal_0 @ SV93 )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[579]) ).

thf(614,plain,
    ! [SV41: $i] :
      ( ( ( ~ ~ ( ~ ! [SY139: $i] :
                      ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                      | ( v1_membered @ SY139 ) )
                | ~ ! [SY140: $i] :
                      ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                      | ( v2_membered @ SY140 ) ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[580]) ).

thf(615,plain,
    ! [SV41: $i] :
      ( ( ( ~ ! [SY141: $i] :
                ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
                | ( v3_membered @ SY141 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[580]) ).

thf(616,plain,
    ! [SV41: $i,SV94: $i] :
      ( ( ( ~ ( element @ SV94 @ ( powerset @ SV41 ) ) )
        = $true )
      | ( ( v4_membered @ SV94 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[581]) ).

thf(617,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[582]) ).

thf(618,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v4_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[582]) ).

thf(619,plain,
    ! [SV95: $i] :
      ( ( ( ~ ( v4_membered @ SV95 ) )
        = $true )
      | ( ( ! [SY165: $i] : ( v3_membered @ ( set_difference @ SV95 @ SY165 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[583]) ).

thf(620,plain,
    ! [SV42: $i] :
      ( ( ( ~ ! [SY143: $i] :
                ( ~ ( element @ SY143 @ SV42 )
                | ( v1_xcmplx_0 @ SY143 ) ) )
        = $false )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[585]) ).

thf(621,plain,
    ! [SV42: $i] :
      ( ( ( ~ ! [SY144: $i] :
                ( ~ ( element @ SY144 @ SV42 )
                | ( v1_xreal_0 @ SY144 ) ) )
        = $false )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[585]) ).

thf(622,plain,
    ! [SV42: $i,SV97: $i] :
      ( ( ( ~ ( element @ SV97 @ SV42 ) )
        = $true )
      | ( ( v1_rat_1 @ SV97 )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[586]) ).

thf(623,plain,
    ! [SV43: $i,SV98: $i] :
      ( ( ( ~ ( element @ SV98 @ ( powerset @ SV43 ) ) )
        = $true )
      | ( ( v1_membered @ SV98 )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[587]) ).

thf(624,plain,
    ! [SV43: $i,SV99: $i] :
      ( ( ( ~ ( element @ SV99 @ ( powerset @ SV43 ) ) )
        = $true )
      | ( ( v2_membered @ SV99 )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[588]) ).

thf(625,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                  | ~ ( v1_membered @ sK5_A ) )
            | ~ ( v2_membered @ sK5_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[589]) ).

thf(626,plain,
    ( ( ~ ( v3_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[589]) ).

thf(627,plain,
    ! [SV44: $i] :
      ( ( ( ~ ! [SY148: $i] :
                ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
                | ( v1_membered @ SY148 ) ) )
        = $false )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[590]) ).

thf(628,plain,
    ! [SV44: $i] :
      ( ( ( ~ ! [SY149: $i] :
                ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
                | ( v2_membered @ SY149 ) ) )
        = $false )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[590]) ).

thf(629,plain,
    ! [SV44: $i,SV100: $i] :
      ( ( ( ~ ( element @ SV100 @ ( powerset @ SV44 ) ) )
        = $true )
      | ( ( v3_membered @ SV100 )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[591]) ).

thf(630,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( ~ ! [SY123: $i] :
                    ( ~ ( element @ SY123 @ SV35 )
                    | ( v1_xcmplx_0 @ SY123 ) )
              | ~ ! [SY124: $i] :
                    ( ~ ( element @ SY124 @ SV35 )
                    | ( v1_xreal_0 @ SY124 ) ) ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[593]) ).

thf(631,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY125: $i] :
              ( ~ ( element @ SY125 @ SV35 )
              | ( v1_int_1 @ SY125 ) ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[594]) ).

thf(632,plain,
    ! [SV35: $i,SV81: $i] :
      ( ( ( element @ SV81 @ SV35 )
        = $false )
      | ( ( v1_rat_1 @ SV81 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[595]) ).

thf(633,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ! [SY127: $i] :
                          ( ~ ( element @ SY127 @ SV36 )
                          | ( natural @ SY127 ) )
                    | ~ ! [SY128: $i] :
                          ( ~ ( element @ SY128 @ SV36 )
                          | ( v1_xcmplx_0 @ SY128 ) ) )
              | ~ ! [SY129: $i] :
                    ( ~ ( element @ SY129 @ SV36 )
                    | ( v1_xreal_0 @ SY129 ) ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[596]) ).

thf(634,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY130: $i] :
              ( ~ ( element @ SY130 @ SV36 )
              | ( v1_int_1 @ SY130 ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[597]) ).

thf(635,plain,
    ! [SV36: $i,SV82: $i] :
      ( ( ( element @ SV82 @ SV36 )
        = $false )
      | ( ( v1_rat_1 @ SV82 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[598]) ).

thf(636,plain,
    ( ( ~ ( ~ ~ ( ~ ( empty @ empty_set )
                | ~ ( v1_membered @ empty_set ) )
          | ~ ( v2_membered @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[599]) ).

thf(637,plain,
    ( ( v3_membered @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[600]) ).

thf(638,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( v5_membered @ SX0 )
                | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( v5_membered @ SX0 )
                | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[601]) ).

thf(639,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ! [SX1: $i] : ( v3_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[602]) ).

thf(640,plain,
    ! [SV83: $i] :
      ( ( ( v5_membered @ SV83 )
        = $false )
      | ( ( ! [SY162: $i] : ( v4_membered @ ( set_difference @ SV83 @ SY162 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[603]) ).

thf(641,plain,
    ! [SV38: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ! [SY132: $i] :
                          ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                          | ( v1_membered @ SY132 ) )
                    | ~ ! [SY133: $i] :
                          ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                          | ( v2_membered @ SY133 ) ) )
              | ~ ! [SY134: $i] :
                    ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                    | ( v3_membered @ SY134 ) ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[604]) ).

thf(642,plain,
    ! [SV38: $i] :
      ( ( ( ! [SY135: $i] :
              ( ~ ( element @ SY135 @ ( powerset @ SV38 ) )
              | ( v4_membered @ SY135 ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[605]) ).

thf(643,plain,
    ! [SV38: $i,SV87: $i] :
      ( ( ( element @ SV87 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( v5_membered @ SV87 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[606]) ).

thf(644,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( v1_membered @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( v2_membered @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[607]) ).

thf(645,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( v3_membered @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[608]) ).

thf(646,plain,
    ! [SV88: $i] :
      ( ( ( empty @ SV88 )
        = $false )
      | ( ( v4_membered @ SV88 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[609]) ).

thf(647,plain,
    ! [SV89: $i] :
      ( ( ( v3_membered @ SV89 )
        = $false )
      | ( ( ! [SY163: $i] : ( v1_membered @ ( set_difference @ SV89 @ SY163 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[610]) ).

thf(648,plain,
    ! [SV90: $i] :
      ( ( ( v3_membered @ SV90 )
        = $false )
      | ( ( ! [SY164: $i] : ( v2_membered @ ( set_difference @ SV90 @ SY164 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[611]) ).

thf(649,plain,
    ! [SV39: $i,SV92: $i] :
      ( ( ( element @ SV92 @ SV39 )
        = $false )
      | ( ( v1_xcmplx_0 @ SV92 )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[612]) ).

thf(650,plain,
    ! [SV39: $i,SV93: $i] :
      ( ( ( element @ SV93 @ SV39 )
        = $false )
      | ( ( v1_xreal_0 @ SV93 )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[613]) ).

thf(651,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( ~ ! [SY139: $i] :
                    ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                    | ( v1_membered @ SY139 ) )
              | ~ ! [SY140: $i] :
                    ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                    | ( v2_membered @ SY140 ) ) ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[614]) ).

thf(652,plain,
    ! [SV41: $i] :
      ( ( ( ! [SY141: $i] :
              ( ~ ( element @ SY141 @ ( powerset @ SV41 ) )
              | ( v3_membered @ SY141 ) ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[615]) ).

thf(653,plain,
    ! [SV41: $i,SV94: $i] :
      ( ( ( element @ SV94 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( v4_membered @ SV94 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[616]) ).

thf(654,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v4_membered @ SX0 )
          | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[617]) ).

thf(655,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v4_membered @ SX0 )
          | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[618]) ).

thf(656,plain,
    ! [SV95: $i] :
      ( ( ( v4_membered @ SV95 )
        = $false )
      | ( ( ! [SY165: $i] : ( v3_membered @ ( set_difference @ SV95 @ SY165 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[619]) ).

thf(657,plain,
    ! [SV42: $i] :
      ( ( ( ! [SY143: $i] :
              ( ~ ( element @ SY143 @ SV42 )
              | ( v1_xcmplx_0 @ SY143 ) ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[620]) ).

thf(658,plain,
    ! [SV42: $i] :
      ( ( ( ! [SY144: $i] :
              ( ~ ( element @ SY144 @ SV42 )
              | ( v1_xreal_0 @ SY144 ) ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[621]) ).

thf(659,plain,
    ! [SV42: $i,SV97: $i] :
      ( ( ( element @ SV97 @ SV42 )
        = $false )
      | ( ( v1_rat_1 @ SV97 )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[622]) ).

thf(660,plain,
    ! [SV43: $i,SV98: $i] :
      ( ( ( element @ SV98 @ ( powerset @ SV43 ) )
        = $false )
      | ( ( v1_membered @ SV98 )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[623]) ).

thf(661,plain,
    ! [SV43: $i,SV99: $i] :
      ( ( ( element @ SV99 @ ( powerset @ SV43 ) )
        = $false )
      | ( ( v2_membered @ SV99 )
        = $true )
      | ( ( v2_membered @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[624]) ).

thf(662,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( empty @ sK5_A )
                | ~ ( v1_membered @ sK5_A ) )
          | ~ ( v2_membered @ sK5_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[625]) ).

thf(663,plain,
    ( ( v3_membered @ sK5_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[626]) ).

thf(664,plain,
    ! [SV44: $i] :
      ( ( ( ! [SY148: $i] :
              ( ~ ( element @ SY148 @ ( powerset @ SV44 ) )
              | ( v1_membered @ SY148 ) ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[627]) ).

thf(665,plain,
    ! [SV44: $i] :
      ( ( ( ! [SY149: $i] :
              ( ~ ( element @ SY149 @ ( powerset @ SV44 ) )
              | ( v2_membered @ SY149 ) ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[628]) ).

thf(666,plain,
    ! [SV44: $i,SV100: $i] :
      ( ( ( element @ SV100 @ ( powerset @ SV44 ) )
        = $false )
      | ( ( v3_membered @ SV100 )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[629]) ).

thf(667,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY123: $i] :
                ( ~ ( element @ SY123 @ SV35 )
                | ( v1_xcmplx_0 @ SY123 ) )
          | ~ ! [SY124: $i] :
                ( ~ ( element @ SY124 @ SV35 )
                | ( v1_xreal_0 @ SY124 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[630]) ).

thf(668,plain,
    ! [SV35: $i,SV101: $i] :
      ( ( ( ~ ( element @ SV101 @ SV35 )
          | ( v1_int_1 @ SV101 ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[631]) ).

thf(669,plain,
    ! [SV36: $i] :
      ( ( ( ~ ~ ( ~ ! [SY127: $i] :
                      ( ~ ( element @ SY127 @ SV36 )
                      | ( natural @ SY127 ) )
                | ~ ! [SY128: $i] :
                      ( ~ ( element @ SY128 @ SV36 )
                      | ( v1_xcmplx_0 @ SY128 ) ) )
          | ~ ! [SY129: $i] :
                ( ~ ( element @ SY129 @ SV36 )
                | ( v1_xreal_0 @ SY129 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[633]) ).

thf(670,plain,
    ! [SV36: $i,SV102: $i] :
      ( ( ( ~ ( element @ SV102 @ SV36 )
          | ( v1_int_1 @ SV102 ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(671,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( v1_membered @ empty_set ) )
      | ~ ( v2_membered @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[636]) ).

thf(672,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[638]) ).

thf(673,plain,
    ! [SV103: $i] :
      ( ( ~ ( v5_membered @ SV103 )
        | ! [SY166: $i] : ( v3_membered @ ( set_difference @ SV103 @ SY166 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(674,plain,
    ! [SV104: $i,SV83: $i] :
      ( ( ( v4_membered @ ( set_difference @ SV83 @ SV104 ) )
        = $true )
      | ( ( v5_membered @ SV83 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[640]) ).

thf(675,plain,
    ! [SV38: $i] :
      ( ( ( ~ ~ ( ~ ! [SY132: $i] :
                      ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                      | ( v1_membered @ SY132 ) )
                | ~ ! [SY133: $i] :
                      ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                      | ( v2_membered @ SY133 ) ) )
          | ~ ! [SY134: $i] :
                ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                | ( v3_membered @ SY134 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[641]) ).

thf(676,plain,
    ! [SV38: $i,SV105: $i] :
      ( ( ( ~ ( element @ SV105 @ ( powerset @ SV38 ) )
          | ( v4_membered @ SV105 ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[642]) ).

thf(677,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v1_membered @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v2_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[644]) ).

thf(678,plain,
    ! [SV106: $i] :
      ( ( ~ ( empty @ SV106 )
        | ( v3_membered @ SV106 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[645]) ).

thf(679,plain,
    ! [SV107: $i,SV89: $i] :
      ( ( ( v1_membered @ ( set_difference @ SV89 @ SV107 ) )
        = $true )
      | ( ( v3_membered @ SV89 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[647]) ).

thf(680,plain,
    ! [SV108: $i,SV90: $i] :
      ( ( ( v2_membered @ ( set_difference @ SV90 @ SV108 ) )
        = $true )
      | ( ( v3_membered @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[648]) ).

thf(681,plain,
    ! [SV41: $i] :
      ( ( ( ~ ! [SY139: $i] :
                ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                | ( v1_membered @ SY139 ) )
          | ~ ! [SY140: $i] :
                ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                | ( v2_membered @ SY140 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[651]) ).

thf(682,plain,
    ! [SV41: $i,SV109: $i] :
      ( ( ( ~ ( element @ SV109 @ ( powerset @ SV41 ) )
          | ( v3_membered @ SV109 ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[652]) ).

thf(683,plain,
    ! [SV110: $i] :
      ( ( ~ ( v4_membered @ SV110 )
        | ! [SY167: $i] : ( v1_membered @ ( set_difference @ SV110 @ SY167 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[654]) ).

thf(684,plain,
    ! [SV111: $i] :
      ( ( ~ ( v4_membered @ SV111 )
        | ! [SY168: $i] : ( v2_membered @ ( set_difference @ SV111 @ SY168 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[655]) ).

thf(685,plain,
    ! [SV112: $i,SV95: $i] :
      ( ( ( v3_membered @ ( set_difference @ SV95 @ SV112 ) )
        = $true )
      | ( ( v4_membered @ SV95 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[656]) ).

thf(686,plain,
    ! [SV42: $i,SV113: $i] :
      ( ( ( ~ ( element @ SV113 @ SV42 )
          | ( v1_xcmplx_0 @ SV113 ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[657]) ).

thf(687,plain,
    ! [SV42: $i,SV114: $i] :
      ( ( ( ~ ( element @ SV114 @ SV42 )
          | ( v1_xreal_0 @ SV114 ) )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[658]) ).

thf(688,plain,
    ( ( ~ ~ ( ~ ~ ( empty @ sK5_A )
            | ~ ( v1_membered @ sK5_A ) )
      | ~ ( v2_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[662]) ).

thf(689,plain,
    ! [SV44: $i,SV115: $i] :
      ( ( ( ~ ( element @ SV115 @ ( powerset @ SV44 ) )
          | ( v1_membered @ SV115 ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[664]) ).

thf(690,plain,
    ! [SV44: $i,SV116: $i] :
      ( ( ( ~ ( element @ SV116 @ ( powerset @ SV44 ) )
          | ( v2_membered @ SV116 ) )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(691,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY123: $i] :
                ( ~ ( element @ SY123 @ SV35 )
                | ( v1_xcmplx_0 @ SY123 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[667]) ).

thf(692,plain,
    ! [SV35: $i] :
      ( ( ( ~ ! [SY124: $i] :
                ( ~ ( element @ SY124 @ SV35 )
                | ( v1_xreal_0 @ SY124 ) ) )
        = $false )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[667]) ).

thf(693,plain,
    ! [SV35: $i,SV101: $i] :
      ( ( ( ~ ( element @ SV101 @ SV35 ) )
        = $true )
      | ( ( v1_int_1 @ SV101 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[668]) ).

thf(694,plain,
    ! [SV36: $i] :
      ( ( ( ~ ~ ( ~ ! [SY127: $i] :
                      ( ~ ( element @ SY127 @ SV36 )
                      | ( natural @ SY127 ) )
                | ~ ! [SY128: $i] :
                      ( ~ ( element @ SY128 @ SV36 )
                      | ( v1_xcmplx_0 @ SY128 ) ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[669]) ).

thf(695,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY129: $i] :
                ( ~ ( element @ SY129 @ SV36 )
                | ( v1_xreal_0 @ SY129 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[669]) ).

thf(696,plain,
    ! [SV36: $i,SV102: $i] :
      ( ( ( ~ ( element @ SV102 @ SV36 ) )
        = $true )
      | ( ( v1_int_1 @ SV102 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[670]) ).

thf(697,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( v1_membered @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[671]) ).

thf(698,plain,
    ( ( ~ ( v2_membered @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[671]) ).

thf(699,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[672]) ).

thf(700,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( v5_membered @ SX0 )
            | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[672]) ).

thf(701,plain,
    ! [SV103: $i] :
      ( ( ( ~ ( v5_membered @ SV103 ) )
        = $true )
      | ( ( ! [SY166: $i] : ( v3_membered @ ( set_difference @ SV103 @ SY166 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[673]) ).

thf(702,plain,
    ! [SV38: $i] :
      ( ( ( ~ ~ ( ~ ! [SY132: $i] :
                      ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                      | ( v1_membered @ SY132 ) )
                | ~ ! [SY133: $i] :
                      ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                      | ( v2_membered @ SY133 ) ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[675]) ).

thf(703,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY134: $i] :
                ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
                | ( v3_membered @ SY134 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[675]) ).

thf(704,plain,
    ! [SV38: $i,SV105: $i] :
      ( ( ( ~ ( element @ SV105 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( v4_membered @ SV105 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[676]) ).

thf(705,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v1_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[677]) ).

thf(706,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( v2_membered @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[677]) ).

thf(707,plain,
    ! [SV106: $i] :
      ( ( ( ~ ( empty @ SV106 ) )
        = $true )
      | ( ( v3_membered @ SV106 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[678]) ).

thf(708,plain,
    ! [SV41: $i] :
      ( ( ( ~ ! [SY139: $i] :
                ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
                | ( v1_membered @ SY139 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[681]) ).

thf(709,plain,
    ! [SV41: $i] :
      ( ( ( ~ ! [SY140: $i] :
                ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
                | ( v2_membered @ SY140 ) ) )
        = $false )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[681]) ).

thf(710,plain,
    ! [SV41: $i,SV109: $i] :
      ( ( ( ~ ( element @ SV109 @ ( powerset @ SV41 ) ) )
        = $true )
      | ( ( v3_membered @ SV109 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[682]) ).

thf(711,plain,
    ! [SV110: $i] :
      ( ( ( ~ ( v4_membered @ SV110 ) )
        = $true )
      | ( ( ! [SY167: $i] : ( v1_membered @ ( set_difference @ SV110 @ SY167 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[683]) ).

thf(712,plain,
    ! [SV111: $i] :
      ( ( ( ~ ( v4_membered @ SV111 ) )
        = $true )
      | ( ( ! [SY168: $i] : ( v2_membered @ ( set_difference @ SV111 @ SY168 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[684]) ).

thf(713,plain,
    ! [SV42: $i,SV113: $i] :
      ( ( ( ~ ( element @ SV113 @ SV42 ) )
        = $true )
      | ( ( v1_xcmplx_0 @ SV113 )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[686]) ).

thf(714,plain,
    ! [SV42: $i,SV114: $i] :
      ( ( ( ~ ( element @ SV114 @ SV42 ) )
        = $true )
      | ( ( v1_xreal_0 @ SV114 )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[687]) ).

thf(715,plain,
    ( ( ~ ~ ( ~ ~ ( empty @ sK5_A )
            | ~ ( v1_membered @ sK5_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[688]) ).

thf(716,plain,
    ( ( ~ ( v2_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[688]) ).

thf(717,plain,
    ! [SV44: $i,SV115: $i] :
      ( ( ( ~ ( element @ SV115 @ ( powerset @ SV44 ) ) )
        = $true )
      | ( ( v1_membered @ SV115 )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[689]) ).

thf(718,plain,
    ! [SV44: $i,SV116: $i] :
      ( ( ( ~ ( element @ SV116 @ ( powerset @ SV44 ) ) )
        = $true )
      | ( ( v2_membered @ SV116 )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[690]) ).

thf(719,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY123: $i] :
              ( ~ ( element @ SY123 @ SV35 )
              | ( v1_xcmplx_0 @ SY123 ) ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[691]) ).

thf(720,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY124: $i] :
              ( ~ ( element @ SY124 @ SV35 )
              | ( v1_xreal_0 @ SY124 ) ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[692]) ).

thf(721,plain,
    ! [SV35: $i,SV101: $i] :
      ( ( ( element @ SV101 @ SV35 )
        = $false )
      | ( ( v1_int_1 @ SV101 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[693]) ).

thf(722,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( ~ ! [SY127: $i] :
                    ( ~ ( element @ SY127 @ SV36 )
                    | ( natural @ SY127 ) )
              | ~ ! [SY128: $i] :
                    ( ~ ( element @ SY128 @ SV36 )
                    | ( v1_xcmplx_0 @ SY128 ) ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[694]) ).

thf(723,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY129: $i] :
              ( ~ ( element @ SY129 @ SV36 )
              | ( v1_xreal_0 @ SY129 ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[695]) ).

thf(724,plain,
    ! [SV36: $i,SV102: $i] :
      ( ( ( element @ SV102 @ SV36 )
        = $false )
      | ( ( v1_int_1 @ SV102 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[696]) ).

thf(725,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( v1_membered @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[697]) ).

thf(726,plain,
    ( ( v2_membered @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[698]) ).

thf(727,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ! [SX1: $i] : ( v1_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[699]) ).

thf(728,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v5_membered @ SX0 )
          | ! [SX1: $i] : ( v2_membered @ ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[700]) ).

thf(729,plain,
    ! [SV103: $i] :
      ( ( ( v5_membered @ SV103 )
        = $false )
      | ( ( ! [SY166: $i] : ( v3_membered @ ( set_difference @ SV103 @ SY166 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[701]) ).

thf(730,plain,
    ! [SV38: $i] :
      ( ( ( ~ ( ~ ! [SY132: $i] :
                    ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                    | ( v1_membered @ SY132 ) )
              | ~ ! [SY133: $i] :
                    ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                    | ( v2_membered @ SY133 ) ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[702]) ).

thf(731,plain,
    ! [SV38: $i] :
      ( ( ( ! [SY134: $i] :
              ( ~ ( element @ SY134 @ ( powerset @ SV38 ) )
              | ( v3_membered @ SY134 ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[703]) ).

thf(732,plain,
    ! [SV38: $i,SV105: $i] :
      ( ( ( element @ SV105 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( v4_membered @ SV105 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[704]) ).

thf(733,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( v1_membered @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[705]) ).

thf(734,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( v2_membered @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[706]) ).

thf(735,plain,
    ! [SV106: $i] :
      ( ( ( empty @ SV106 )
        = $false )
      | ( ( v3_membered @ SV106 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[707]) ).

thf(736,plain,
    ! [SV41: $i] :
      ( ( ( ! [SY139: $i] :
              ( ~ ( element @ SY139 @ ( powerset @ SV41 ) )
              | ( v1_membered @ SY139 ) ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[708]) ).

thf(737,plain,
    ! [SV41: $i] :
      ( ( ( ! [SY140: $i] :
              ( ~ ( element @ SY140 @ ( powerset @ SV41 ) )
              | ( v2_membered @ SY140 ) ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[709]) ).

thf(738,plain,
    ! [SV41: $i,SV109: $i] :
      ( ( ( element @ SV109 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( v3_membered @ SV109 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[710]) ).

thf(739,plain,
    ! [SV110: $i] :
      ( ( ( v4_membered @ SV110 )
        = $false )
      | ( ( ! [SY167: $i] : ( v1_membered @ ( set_difference @ SV110 @ SY167 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[711]) ).

thf(740,plain,
    ! [SV111: $i] :
      ( ( ( v4_membered @ SV111 )
        = $false )
      | ( ( ! [SY168: $i] : ( v2_membered @ ( set_difference @ SV111 @ SY168 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[712]) ).

thf(741,plain,
    ! [SV42: $i,SV113: $i] :
      ( ( ( element @ SV113 @ SV42 )
        = $false )
      | ( ( v1_xcmplx_0 @ SV113 )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[713]) ).

thf(742,plain,
    ! [SV42: $i,SV114: $i] :
      ( ( ( element @ SV114 @ SV42 )
        = $false )
      | ( ( v1_xreal_0 @ SV114 )
        = $true )
      | ( ( v3_membered @ SV42 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[714]) ).

thf(743,plain,
    ( ( ~ ( ~ ~ ( empty @ sK5_A )
          | ~ ( v1_membered @ sK5_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[715]) ).

thf(744,plain,
    ( ( v2_membered @ sK5_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[716]) ).

thf(745,plain,
    ! [SV44: $i,SV115: $i] :
      ( ( ( element @ SV115 @ ( powerset @ SV44 ) )
        = $false )
      | ( ( v1_membered @ SV115 )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[717]) ).

thf(746,plain,
    ! [SV44: $i,SV116: $i] :
      ( ( ( element @ SV116 @ ( powerset @ SV44 ) )
        = $false )
      | ( ( v2_membered @ SV116 )
        = $true )
      | ( ( v3_membered @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[718]) ).

thf(747,plain,
    ! [SV35: $i,SV117: $i] :
      ( ( ( ~ ( element @ SV117 @ SV35 )
          | ( v1_xcmplx_0 @ SV117 ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[719]) ).

thf(748,plain,
    ! [SV35: $i,SV118: $i] :
      ( ( ( ~ ( element @ SV118 @ SV35 )
          | ( v1_xreal_0 @ SV118 ) )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[720]) ).

thf(749,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY127: $i] :
                ( ~ ( element @ SY127 @ SV36 )
                | ( natural @ SY127 ) )
          | ~ ! [SY128: $i] :
                ( ~ ( element @ SY128 @ SV36 )
                | ( v1_xcmplx_0 @ SY128 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[722]) ).

thf(750,plain,
    ! [SV36: $i,SV119: $i] :
      ( ( ( ~ ( element @ SV119 @ SV36 )
          | ( v1_xreal_0 @ SV119 ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[723]) ).

thf(751,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( v1_membered @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(752,plain,
    ! [SV120: $i] :
      ( ( ~ ( v5_membered @ SV120 )
        | ! [SY169: $i] : ( v1_membered @ ( set_difference @ SV120 @ SY169 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[727]) ).

thf(753,plain,
    ! [SV121: $i] :
      ( ( ~ ( v5_membered @ SV121 )
        | ! [SY170: $i] : ( v2_membered @ ( set_difference @ SV121 @ SY170 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[728]) ).

thf(754,plain,
    ! [SV122: $i,SV103: $i] :
      ( ( ( v3_membered @ ( set_difference @ SV103 @ SV122 ) )
        = $true )
      | ( ( v5_membered @ SV103 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[729]) ).

thf(755,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY132: $i] :
                ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                | ( v1_membered @ SY132 ) )
          | ~ ! [SY133: $i] :
                ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                | ( v2_membered @ SY133 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[730]) ).

thf(756,plain,
    ! [SV38: $i,SV123: $i] :
      ( ( ( ~ ( element @ SV123 @ ( powerset @ SV38 ) )
          | ( v3_membered @ SV123 ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[731]) ).

thf(757,plain,
    ! [SV124: $i] :
      ( ( ~ ( empty @ SV124 )
        | ( v1_membered @ SV124 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[733]) ).

thf(758,plain,
    ! [SV125: $i] :
      ( ( ~ ( empty @ SV125 )
        | ( v2_membered @ SV125 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[734]) ).

thf(759,plain,
    ! [SV41: $i,SV126: $i] :
      ( ( ( ~ ( element @ SV126 @ ( powerset @ SV41 ) )
          | ( v1_membered @ SV126 ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[736]) ).

thf(760,plain,
    ! [SV41: $i,SV127: $i] :
      ( ( ( ~ ( element @ SV127 @ ( powerset @ SV41 ) )
          | ( v2_membered @ SV127 ) )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[737]) ).

thf(761,plain,
    ! [SV128: $i,SV110: $i] :
      ( ( ( v1_membered @ ( set_difference @ SV110 @ SV128 ) )
        = $true )
      | ( ( v4_membered @ SV110 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[739]) ).

thf(762,plain,
    ! [SV129: $i,SV111: $i] :
      ( ( ( v2_membered @ ( set_difference @ SV111 @ SV129 ) )
        = $true )
      | ( ( v4_membered @ SV111 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[740]) ).

thf(763,plain,
    ( ( ~ ~ ( empty @ sK5_A )
      | ~ ( v1_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[743]) ).

thf(764,plain,
    ! [SV35: $i,SV117: $i] :
      ( ( ( ~ ( element @ SV117 @ SV35 ) )
        = $true )
      | ( ( v1_xcmplx_0 @ SV117 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[747]) ).

thf(765,plain,
    ! [SV35: $i,SV118: $i] :
      ( ( ( ~ ( element @ SV118 @ SV35 ) )
        = $true )
      | ( ( v1_xreal_0 @ SV118 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[748]) ).

thf(766,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY127: $i] :
                ( ~ ( element @ SY127 @ SV36 )
                | ( natural @ SY127 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[749]) ).

thf(767,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY128: $i] :
                ( ~ ( element @ SY128 @ SV36 )
                | ( v1_xcmplx_0 @ SY128 ) ) )
        = $false )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[749]) ).

thf(768,plain,
    ! [SV36: $i,SV119: $i] :
      ( ( ( ~ ( element @ SV119 @ SV36 ) )
        = $true )
      | ( ( v1_xreal_0 @ SV119 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[750]) ).

thf(769,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[751]) ).

thf(770,plain,
    ( ( ~ ( v1_membered @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[751]) ).

thf(771,plain,
    ! [SV120: $i] :
      ( ( ( ~ ( v5_membered @ SV120 ) )
        = $true )
      | ( ( ! [SY169: $i] : ( v1_membered @ ( set_difference @ SV120 @ SY169 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[752]) ).

thf(772,plain,
    ! [SV121: $i] :
      ( ( ( ~ ( v5_membered @ SV121 ) )
        = $true )
      | ( ( ! [SY170: $i] : ( v2_membered @ ( set_difference @ SV121 @ SY170 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[753]) ).

thf(773,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY132: $i] :
                ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
                | ( v1_membered @ SY132 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[755]) ).

thf(774,plain,
    ! [SV38: $i] :
      ( ( ( ~ ! [SY133: $i] :
                ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
                | ( v2_membered @ SY133 ) ) )
        = $false )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[755]) ).

thf(775,plain,
    ! [SV38: $i,SV123: $i] :
      ( ( ( ~ ( element @ SV123 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( v3_membered @ SV123 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[756]) ).

thf(776,plain,
    ! [SV124: $i] :
      ( ( ( ~ ( empty @ SV124 ) )
        = $true )
      | ( ( v1_membered @ SV124 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[757]) ).

thf(777,plain,
    ! [SV125: $i] :
      ( ( ( ~ ( empty @ SV125 ) )
        = $true )
      | ( ( v2_membered @ SV125 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[758]) ).

thf(778,plain,
    ! [SV41: $i,SV126: $i] :
      ( ( ( ~ ( element @ SV126 @ ( powerset @ SV41 ) ) )
        = $true )
      | ( ( v1_membered @ SV126 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[759]) ).

thf(779,plain,
    ! [SV41: $i,SV127: $i] :
      ( ( ( ~ ( element @ SV127 @ ( powerset @ SV41 ) ) )
        = $true )
      | ( ( v2_membered @ SV127 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[760]) ).

thf(780,plain,
    ( ( ~ ~ ( empty @ sK5_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[763]) ).

thf(781,plain,
    ( ( ~ ( v1_membered @ sK5_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[763]) ).

thf(782,plain,
    ! [SV35: $i,SV117: $i] :
      ( ( ( element @ SV117 @ SV35 )
        = $false )
      | ( ( v1_xcmplx_0 @ SV117 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[764]) ).

thf(783,plain,
    ! [SV35: $i,SV118: $i] :
      ( ( ( element @ SV118 @ SV35 )
        = $false )
      | ( ( v1_xreal_0 @ SV118 )
        = $true )
      | ( ( v4_membered @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[765]) ).

thf(784,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY127: $i] :
              ( ~ ( element @ SY127 @ SV36 )
              | ( natural @ SY127 ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[766]) ).

thf(785,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY128: $i] :
              ( ~ ( element @ SY128 @ SV36 )
              | ( v1_xcmplx_0 @ SY128 ) ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[767]) ).

thf(786,plain,
    ! [SV36: $i,SV119: $i] :
      ( ( ( element @ SV119 @ SV36 )
        = $false )
      | ( ( v1_xreal_0 @ SV119 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[768]) ).

thf(787,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[769]) ).

thf(788,plain,
    ( ( v1_membered @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[770]) ).

thf(789,plain,
    ! [SV120: $i] :
      ( ( ( v5_membered @ SV120 )
        = $false )
      | ( ( ! [SY169: $i] : ( v1_membered @ ( set_difference @ SV120 @ SY169 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[771]) ).

thf(790,plain,
    ! [SV121: $i] :
      ( ( ( v5_membered @ SV121 )
        = $false )
      | ( ( ! [SY170: $i] : ( v2_membered @ ( set_difference @ SV121 @ SY170 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[772]) ).

thf(791,plain,
    ! [SV38: $i] :
      ( ( ( ! [SY132: $i] :
              ( ~ ( element @ SY132 @ ( powerset @ SV38 ) )
              | ( v1_membered @ SY132 ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[773]) ).

thf(792,plain,
    ! [SV38: $i] :
      ( ( ( ! [SY133: $i] :
              ( ~ ( element @ SY133 @ ( powerset @ SV38 ) )
              | ( v2_membered @ SY133 ) ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[774]) ).

thf(793,plain,
    ! [SV38: $i,SV123: $i] :
      ( ( ( element @ SV123 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( v3_membered @ SV123 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[775]) ).

thf(794,plain,
    ! [SV124: $i] :
      ( ( ( empty @ SV124 )
        = $false )
      | ( ( v1_membered @ SV124 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[776]) ).

thf(795,plain,
    ! [SV125: $i] :
      ( ( ( empty @ SV125 )
        = $false )
      | ( ( v2_membered @ SV125 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[777]) ).

thf(796,plain,
    ! [SV41: $i,SV126: $i] :
      ( ( ( element @ SV126 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( v1_membered @ SV126 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[778]) ).

thf(797,plain,
    ! [SV41: $i,SV127: $i] :
      ( ( ( element @ SV127 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( v2_membered @ SV127 )
        = $true )
      | ( ( v4_membered @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[779]) ).

thf(798,plain,
    ( ( ~ ( empty @ sK5_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[780]) ).

thf(799,plain,
    ( ( v1_membered @ sK5_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[781]) ).

thf(800,plain,
    ! [SV36: $i,SV130: $i] :
      ( ( ( ~ ( element @ SV130 @ SV36 )
          | ( natural @ SV130 ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[784]) ).

thf(801,plain,
    ! [SV36: $i,SV131: $i] :
      ( ( ( ~ ( element @ SV131 @ SV36 )
          | ( v1_xcmplx_0 @ SV131 ) )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[785]) ).

thf(802,plain,
    ! [SV132: $i,SV120: $i] :
      ( ( ( v1_membered @ ( set_difference @ SV120 @ SV132 ) )
        = $true )
      | ( ( v5_membered @ SV120 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[789]) ).

thf(803,plain,
    ! [SV133: $i,SV121: $i] :
      ( ( ( v2_membered @ ( set_difference @ SV121 @ SV133 ) )
        = $true )
      | ( ( v5_membered @ SV121 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[790]) ).

thf(804,plain,
    ! [SV38: $i,SV134: $i] :
      ( ( ( ~ ( element @ SV134 @ ( powerset @ SV38 ) )
          | ( v1_membered @ SV134 ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[791]) ).

thf(805,plain,
    ! [SV38: $i,SV135: $i] :
      ( ( ( ~ ( element @ SV135 @ ( powerset @ SV38 ) )
          | ( v2_membered @ SV135 ) )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[792]) ).

thf(806,plain,
    ( ( empty @ sK5_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[798]) ).

thf(807,plain,
    ! [SV36: $i,SV130: $i] :
      ( ( ( ~ ( element @ SV130 @ SV36 ) )
        = $true )
      | ( ( natural @ SV130 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[800]) ).

thf(808,plain,
    ! [SV36: $i,SV131: $i] :
      ( ( ( ~ ( element @ SV131 @ SV36 ) )
        = $true )
      | ( ( v1_xcmplx_0 @ SV131 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[801]) ).

thf(809,plain,
    ! [SV38: $i,SV134: $i] :
      ( ( ( ~ ( element @ SV134 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( v1_membered @ SV134 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[804]) ).

thf(810,plain,
    ! [SV38: $i,SV135: $i] :
      ( ( ( ~ ( element @ SV135 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( v2_membered @ SV135 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[805]) ).

thf(811,plain,
    ! [SV36: $i,SV130: $i] :
      ( ( ( element @ SV130 @ SV36 )
        = $false )
      | ( ( natural @ SV130 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[807]) ).

thf(812,plain,
    ! [SV36: $i,SV131: $i] :
      ( ( ( element @ SV131 @ SV36 )
        = $false )
      | ( ( v1_xcmplx_0 @ SV131 )
        = $true )
      | ( ( v5_membered @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[808]) ).

thf(813,plain,
    ! [SV38: $i,SV134: $i] :
      ( ( ( element @ SV134 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( v1_membered @ SV134 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[809]) ).

thf(814,plain,
    ! [SV38: $i,SV135: $i] :
      ( ( ( element @ SV135 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( v2_membered @ SV135 )
        = $true )
      | ( ( v5_membered @ SV38 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[810]) ).

thf(815,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[191,814,813,812,811,806,803,802,799,797,796,795,794,793,788,787,786,783,782,762,761,754,746,745,744,742,741,738,735,732,726,724,721,685,680,679,674,666,663,661,660,659,653,650,649,646,643,637,635,632,592,584,577,570,569,568,564,563,557,556,555,552,536,526,525,517,512,511,481,471,468,467,462,454,453,429,427,426,425,424,423,422,420,419,418,417,412,392,384,366,365,364,363,319,287,286,280,278,275,267,261,259,232,202,197,196,193,192]) ).

thf(816,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[815]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : SEU328+1 : TPTP v8.1.0. Released v3.3.0.
% 0.00/0.10  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.09/0.29  % Computer : n032.cluster.edu
% 0.09/0.29  % Model    : x86_64 x86_64
% 0.09/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.29  % Memory   : 8042.1875MB
% 0.09/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.29  % CPULimit : 300
% 0.09/0.29  % WCLimit  : 600
% 0.09/0.29  % DateTime : Sun Jun 19 17:20:03 EDT 2022
% 0.09/0.29  % CPUTime  : 
% 0.13/0.31  .
% 0.13/0.32  
% 0.13/0.32   No.of.Axioms: 58
% 0.13/0.32  
% 0.13/0.32   Length.of.Defs: 0
% 0.13/0.32  
% 0.13/0.32   Contains.Choice.Funs: false
% 0.13/0.33  .
% 0.13/0.34  (rf:0,axioms:58,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:60,loop_count:0,foatp_calls:0,translation:fof_full)....................................................
% 71.08/71.38  
% 71.08/71.38  ********************************
% 71.08/71.38  *   All subproblems solved!    *
% 71.08/71.38  ********************************
% 71.08/71.38  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:60,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:815,loop_count:0,foatp_calls:1,translation:fof_full)
% 71.38/71.60  
% 71.38/71.60  %**** Beginning of derivation protocol ****
% 71.38/71.60  % SZS output start CNFRefutation
% See solution above
% 71.38/71.60  
% 71.38/71.60  %**** End of derivation protocol ****
% 71.38/71.60  %**** no. of clauses in derivation: 816 ****
% 71.38/71.60  %**** clause counter: 815 ****
% 71.38/71.60  
% 71.38/71.60  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:60,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:815,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------