TSTP Solution File: SET988+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET988+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n026.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 03:06:47 EDT 2022

% Result   : Theorem 0.43s 0.84s
% Output   : CNFRefutation 0.76s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   63
% Syntax   : Number of formulae    :  603 ( 387 unt;  30 typ;   0 def)
%            Number of atoms       : 2810 ( 937 equ;   0 cnn)
%            Maximal formula atoms :    7 (   4 avg)
%            Number of connectives : 4346 ( 845   ~; 611   |;  95   &;2762   @)
%                                         (   6 <=>;  27  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   29 (  29   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   33 (  30 usr;  10 con; 0-2 aty)
%            Number of variables   :  948 (   0   ^ 930   !;  18   ?; 948   :)

% Comments : 
%------------------------------------------------------------------------------
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_function,type,
    function: $i > $o ).

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

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

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

thf(tp_relation,type,
    relation: $i > $o ).

thf(tp_relation_empty_yielding,type,
    relation_empty_yielding: $i > $o ).

thf(tp_sK10_A,type,
    sK10_A: $i ).

thf(tp_sK11_A,type,
    sK11_A: $i ).

thf(tp_sK12_A,type,
    sK12_A: $i ).

thf(tp_sK13_A,type,
    sK13_A: $i ).

thf(tp_sK14_A,type,
    sK14_A: $i ).

thf(tp_sK15_B,type,
    sK15_B: $i > $i ).

thf(tp_sK16_B,type,
    sK16_B: $i > $i ).

thf(tp_sK17_A,type,
    sK17_A: $i ).

thf(tp_sK18_B,type,
    sK18_B: $i > $i ).

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

thf(tp_sK2_C,type,
    sK2_C: $i > $i ).

thf(tp_sK3_SY66,type,
    sK3_SY66: $i > $i ).

thf(tp_sK4_C,type,
    sK4_C: $i > $i > $i ).

thf(tp_sK5_SY67,type,
    sK5_SY67: $i > $i > $i ).

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

thf(tp_sK7_B,type,
    sK7_B: $i > $i ).

thf(tp_sK8_SY70,type,
    sK8_SY70: $i > $i ).

thf(tp_sK9_SY72,type,
    sK9_SY72: $i > $i ).

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

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

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

thf(1,axiom,
    ! [A: $i] :
      ( ( relation @ A )
    <=> ! [B: $i] :
          ~ ( ( in @ B @ A )
            & ! [C: $i,D: $i] :
                ( B
               != ( ordered_pair @ C @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_1) ).

thf(2,axiom,
    ! [A: $i] :
      ( ( function @ A )
    <=> ! [B: $i,C: $i,D: $i] :
          ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
            & ( in @ ( ordered_pair @ B @ D ) @ A ) )
         => ( C = D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_funct_1) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(6,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(7,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(9,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(10,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(11,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(12,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(13,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(14,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(17,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(18,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(19,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(20,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(21,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(22,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(24,axiom,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(25,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(27,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(28,axiom,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(29,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(30,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(31,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(32,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(33,conjecture,
    ! [A: $i] :
      ( ( ! [B: $i] :
            ~ ( ( in @ B @ A )
              & ! [C: $i,D: $i] :
                  ( ( ordered_pair @ C @ D )
                 != B ) )
        & ! [B: $i,C: $i,D: $i] :
            ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
              & ( in @ ( ordered_pair @ B @ D ) @ A ) )
           => ( C = D ) ) )
     => ( ( relation @ A )
        & ( function @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_funct_1) ).

thf(34,negated_conjecture,
    ( ( ! [A: $i] :
          ( ( ! [B: $i] :
                ~ ( ( in @ B @ A )
                  & ! [C: $i,D: $i] :
                      ( ( ordered_pair @ C @ D )
                     != B ) )
            & ! [B: $i,C: $i,D: $i] :
                ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                  & ( in @ ( ordered_pair @ B @ D ) @ A ) )
               => ( C = D ) ) )
         => ( ( relation @ A )
            & ( function @ A ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[33]) ).

thf(35,plain,
    ( ( ! [A: $i] :
          ( ( ! [B: $i] :
                ~ ( ( in @ B @ A )
                  & ! [C: $i,D: $i] :
                      ( ( ordered_pair @ C @ D )
                     != B ) )
            & ! [B: $i,C: $i,D: $i] :
                ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                  & ( in @ ( ordered_pair @ B @ D ) @ A ) )
               => ( C = D ) ) )
         => ( ( relation @ A )
            & ( function @ A ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(36,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
        <=> ! [B: $i] :
              ~ ( ( in @ B @ A )
                & ! [C: $i,D: $i] :
                    ( B
                   != ( ordered_pair @ C @ D ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(37,plain,
    ( ( ! [A: $i] :
          ( ( function @ A )
        <=> ! [B: $i,C: $i,D: $i] :
              ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                & ( in @ ( ordered_pair @ B @ D ) @ A ) )
             => ( C = D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(38,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(39,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(40,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(41,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(42,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(43,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(44,plain,
    ( ( ? [A: $i] :
          ( ( relation @ A )
          & ( relation_empty_yielding @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(45,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(46,plain,
    ( ( ? [A: $i] :
          ( ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(47,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(48,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(49,plain,
    ( ( ? [A: $i] :
          ( ( relation @ A )
          & ( function @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(50,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(51,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(52,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(53,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(54,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(55,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(56,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(57,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(58,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(59,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(60,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(61,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( function @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(62,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(63,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(64,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(65,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(66,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(67,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(68,plain,
    ( ( ( ! [SY60: $i] :
            ~ ( ( in @ SY60 @ sK1_A )
              & ! [C: $i,D: $i] :
                  ( ( ordered_pair @ C @ D )
                 != SY60 ) )
        & ! [SY63: $i,SY64: $i,SY65: $i] :
            ( ( ( in @ ( ordered_pair @ SY63 @ SY64 ) @ sK1_A )
              & ( in @ ( ordered_pair @ SY63 @ SY65 ) @ sK1_A ) )
           => ( SY64 = SY65 ) ) )
     => ( ( relation @ sK1_A )
        & ( function @ sK1_A ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[35]) ).

thf(69,plain,
    ( ( ! [SY60: $i] :
          ~ ( ( in @ SY60 @ sK1_A )
            & ! [C: $i,D: $i] :
                ( ( ordered_pair @ C @ D )
               != SY60 ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[68]) ).

thf(70,plain,
    ( ( ! [SY63: $i,SY64: $i,SY65: $i] :
          ( ( ( in @ ( ordered_pair @ SY63 @ SY64 ) @ sK1_A )
            & ( in @ ( ordered_pair @ SY63 @ SY65 ) @ sK1_A ) )
         => ( SY64 = SY65 ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[68]) ).

thf(71,plain,
    ( ( ( relation @ sK1_A )
      & ( function @ sK1_A ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[68]) ).

thf(72,plain,
    ( ( relation @ sK1_A )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[71]) ).

thf(73,plain,
    ( ( function @ sK1_A )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[71]) ).

thf(74,plain,
    ( ( ~ ( relation @ sK1_A ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[72]) ).

thf(75,plain,
    ( ( ~ ( function @ sK1_A ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[73]) ).

thf(76,plain,
    ( ( ! [SY60: $i] :
          ( ( ( ordered_pair @ ( sK2_C @ SY60 ) @ ( sK3_SY66 @ SY60 ) )
            = SY60 )
          | ~ ( in @ SY60 @ sK1_A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[69]) ).

thf(77,plain,
    ( ( ! [SY63: $i,SY64: $i,SY65: $i] :
          ( ~ ( in @ ( ordered_pair @ SY63 @ SY64 ) @ sK1_A )
          | ~ ( in @ ( ordered_pair @ SY63 @ SY65 ) @ sK1_A )
          | ( SY64 = SY65 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[70]) ).

thf(78,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY68: $i,SY69: $i] :
                ( ( sK6_B @ A )
               != ( ordered_pair @ SY68 @ SY69 ) )
            & ( in @ ( sK6_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK4_C @ B @ A ) @ ( sK5_SY67 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[36]) ).

thf(79,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( ordered_pair @ ( sK7_B @ A ) @ ( sK8_SY70 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK7_B @ A ) @ ( sK9_SY72 @ A ) ) @ A )
            & ( ( sK8_SY70 @ A )
             != ( sK9_SY72 @ A ) ) )
          | ( function @ A ) )
      & ! [A: $i] :
          ( ~ ( function @ A )
          | ! [B: $i,C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ B @ D ) @ A )
              | ( C = D ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[37]) ).

thf(80,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[39]) ).

thf(81,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[40]) ).

thf(82,plain,
    ( ( ~ ( empty @ sK10_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[41]) ).

thf(83,plain,
    ( ( empty @ sK11_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[42]) ).

thf(84,plain,
    ( ( ( relation @ sK12_A )
      & ( relation_empty_yielding @ sK12_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[44]) ).

thf(85,plain,
    ( ( ~ ( empty @ sK13_A )
      & ( relation @ sK13_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[45]) ).

thf(86,plain,
    ( ( ( empty @ sK14_A )
      & ( relation @ sK14_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[46]) ).

thf(87,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK15_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK15_B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[47]) ).

thf(88,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK16_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK16_B @ A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[48]) ).

thf(89,plain,
    ( ( ( function @ sK17_A )
      & ( relation @ sK17_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[49]) ).

thf(90,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[50]) ).

thf(91,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[51]) ).

thf(92,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[52]) ).

thf(93,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[53]) ).

thf(94,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[54]) ).

thf(95,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)],[55]) ).

thf(96,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[56]) ).

thf(97,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[57]) ).

thf(98,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( function @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[61]) ).

thf(99,plain,
    ( ( ! [A: $i] : ( element @ ( sK18_B @ A ) @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[62]) ).

thf(100,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[67]) ).

thf(101,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[100]) ).

thf(102,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[66]) ).

thf(103,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[65]) ).

thf(104,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[64]) ).

thf(105,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[63]) ).

thf(106,plain,
    ( ( ! [A: $i] : ( element @ ( sK18_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[99]) ).

thf(107,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( function @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[98]) ).

thf(108,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[60]) ).

thf(109,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[59]) ).

thf(110,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[58]) ).

thf(111,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[97]) ).

thf(112,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[96]) ).

thf(113,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)],[95]) ).

thf(114,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[94]) ).

thf(115,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[93]) ).

thf(116,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[92]) ).

thf(117,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[91]) ).

thf(118,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[90]) ).

thf(119,plain,
    ( ( ( function @ sK17_A )
      & ( relation @ sK17_A ) )
    = $true ),
    inference(copy,[status(thm)],[89]) ).

thf(120,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK16_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK16_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[88]) ).

thf(121,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK15_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK15_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[87]) ).

thf(122,plain,
    ( ( ( empty @ sK14_A )
      & ( relation @ sK14_A ) )
    = $true ),
    inference(copy,[status(thm)],[86]) ).

thf(123,plain,
    ( ( ~ ( empty @ sK13_A )
      & ( relation @ sK13_A ) )
    = $true ),
    inference(copy,[status(thm)],[85]) ).

thf(124,plain,
    ( ( ( relation @ sK12_A )
      & ( relation_empty_yielding @ sK12_A ) )
    = $true ),
    inference(copy,[status(thm)],[84]) ).

thf(125,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(126,plain,
    ( ( empty @ sK11_A )
    = $true ),
    inference(copy,[status(thm)],[83]) ).

thf(127,plain,
    ( ( ~ ( empty @ sK10_A ) )
    = $true ),
    inference(copy,[status(thm)],[82]) ).

thf(128,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[81]) ).

thf(129,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[80]) ).

thf(130,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(131,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( ordered_pair @ ( sK7_B @ A ) @ ( sK8_SY70 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK7_B @ A ) @ ( sK9_SY72 @ A ) ) @ A )
            & ( ( sK8_SY70 @ A )
             != ( sK9_SY72 @ A ) ) )
          | ( function @ A ) )
      & ! [A: $i] :
          ( ~ ( function @ A )
          | ! [B: $i,C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ B @ D ) @ A )
              | ( C = D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[79]) ).

thf(132,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY68: $i,SY69: $i] :
                ( ( sK6_B @ A )
               != ( ordered_pair @ SY68 @ SY69 ) )
            & ( in @ ( sK6_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK4_C @ B @ A ) @ ( sK5_SY67 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[78]) ).

thf(133,plain,
    ( ( ! [SY63: $i,SY64: $i,SY65: $i] :
          ( ~ ( in @ ( ordered_pair @ SY63 @ SY64 ) @ sK1_A )
          | ~ ( in @ ( ordered_pair @ SY63 @ SY65 ) @ sK1_A )
          | ( SY64 = SY65 ) ) )
    = $true ),
    inference(copy,[status(thm)],[77]) ).

thf(134,plain,
    ( ( ! [SY60: $i] :
          ( ( ( ordered_pair @ ( sK2_C @ SY60 ) @ ( sK3_SY66 @ SY60 ) )
            = SY60 )
          | ~ ( in @ SY60 @ sK1_A ) ) )
    = $true ),
    inference(copy,[status(thm)],[76]) ).

thf(135,plain,
    ( ( ~ ( relation @ sK1_A ) )
    = $true ),
    inference(copy,[status(thm)],[74]) ).

thf(136,plain,
    ( ( ~ ( ~ ~ ( empty @ sK13_A )
          | ~ ( relation @ sK13_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(137,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)],[113]) ).

thf(138,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                          ( ( sK6_B @ SX0 )
                         != ( ordered_pair @ SX1 @ SX2 ) )
                    | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
                | ( relation @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX1
                      = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
                    | ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[132]) ).

thf(139,plain,
    ( ( ~ ( ~ ( function @ sK17_A )
          | ~ ( relation @ sK17_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[119]) ).

thf(140,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ~ ( ~ ( element @ ( sK16_B @ SX0 ) @ ( powerset @ SX0 ) )
              | ~ ~ ( empty @ ( sK16_B @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[120]) ).

thf(141,plain,
    ( ( ~ ( ~ ( empty @ sK14_A )
          | ~ ( relation @ sK14_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[122]) ).

thf(142,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                          | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
                    | ~ ( ( ( sK8_SY70 @ SX0 )
                         != ( sK9_SY72 @ SX0 ) ) ) )
                | ( function @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( function @ SX0 )
                | ! [SX1: $i,SX2: $i,SX3: $i] :
                    ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
                    | ( SX2 = SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[131]) ).

thf(143,plain,
    ( ( ~ ( ~ ( relation @ sK12_A )
          | ~ ( relation_empty_yielding @ sK12_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[124]) ).

thf(144,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( element @ ( sK15_B @ SX0 ) @ ( powerset @ SX0 ) )
            | ~ ( empty @ ( sK15_B @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[121]) ).

thf(145,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[102]) ).

thf(146,plain,
    ( ( ~ ( ~ ~ ( ~ ( empty @ empty_set )
                | ~ ( relation @ empty_set ) )
          | ~ ( relation_empty_yielding @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[103]) ).

thf(147,plain,
    ! [SV1: $i] :
      ( ( subset @ SV1 @ SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[101]) ).

thf(148,plain,
    ! [SV2: $i] :
      ( ( ! [SY73: $i] :
            ( ( unordered_pair @ SV2 @ SY73 )
            = ( unordered_pair @ SY73 @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[105]) ).

thf(149,plain,
    ! [SV3: $i] :
      ( ( element @ ( sK18_B @ SV3 ) @ SV3 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[106]) ).

thf(150,plain,
    ! [SV4: $i] :
      ( ( ~ ( empty @ SV4 )
        | ( function @ SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(151,plain,
    ! [SV5: $i] :
      ( ( ~ ( empty @ ( powerset @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[108]) ).

thf(152,plain,
    ! [SV6: $i] :
      ( ( ~ ( empty @ ( singleton @ SV6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[109]) ).

thf(153,plain,
    ! [SV7: $i] :
      ( ( ! [SY74: $i] :
            ~ ( empty @ ( unordered_pair @ SV7 @ SY74 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[110]) ).

thf(154,plain,
    ! [SV8: $i] :
      ( ( ~ ( empty @ SV8 )
        | ( relation @ SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[111]) ).

thf(155,plain,
    ! [SV9: $i] :
      ( ( ! [SY75: $i] :
            ( ~ ( element @ SV9 @ SY75 )
            | ( empty @ SY75 )
            | ( in @ SV9 @ SY75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[112]) ).

thf(156,plain,
    ! [SV10: $i] :
      ( ( ! [SY76: $i,SY77: $i] :
            ( ~ ( element @ SY76 @ ( powerset @ SY77 ) )
            | ~ ( in @ SV10 @ SY76 )
            | ( element @ SV10 @ SY77 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[114]) ).

thf(157,plain,
    ! [SV11: $i] :
      ( ( ! [SY78: $i,SY79: $i] :
            ( ~ ( element @ SY78 @ ( powerset @ SY79 ) )
            | ~ ( in @ SV11 @ SY78 )
            | ~ ( empty @ SY79 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[115]) ).

thf(158,plain,
    ! [SV12: $i] :
      ( ( ~ ( empty @ SV12 )
        | ( SV12 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[116]) ).

thf(159,plain,
    ! [SV13: $i] :
      ( ( ! [SY80: $i] :
            ( ( SV13 = SY80 )
            | ~ ( empty @ SV13 )
            | ~ ( empty @ SY80 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[117]) ).

thf(160,plain,
    ! [SV14: $i] :
      ( ( ! [SY81: $i] :
            ( ~ ( in @ SV14 @ SY81 )
            | ~ ( in @ SY81 @ SV14 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[118]) ).

thf(161,plain,
    ! [SV15: $i] :
      ( ( ! [SY82: $i] :
            ~ ( empty @ ( ordered_pair @ SV15 @ SY82 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[125]) ).

thf(162,plain,
    ( ( empty @ sK10_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[127]) ).

thf(163,plain,
    ! [SV16: $i] :
      ( ( ! [SY83: $i] :
            ( ~ ( in @ SV16 @ SY83 )
            | ( element @ SV16 @ SY83 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[128]) ).

thf(164,plain,
    ! [SV17: $i] :
      ( ( ! [SY84: $i] :
            ( ~ ( empty @ SY84 )
            | ~ ( in @ SV17 @ SY84 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[129]) ).

thf(165,plain,
    ! [SV18: $i] :
      ( ( ! [SY85: $i] :
            ( ( ordered_pair @ SV18 @ SY85 )
            = ( unordered_pair @ ( unordered_pair @ SV18 @ SY85 ) @ ( singleton @ SV18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[130]) ).

thf(166,plain,
    ! [SV19: $i] :
      ( ( ! [SY86: $i,SY87: $i] :
            ( ~ ( in @ ( ordered_pair @ SV19 @ SY86 ) @ sK1_A )
            | ~ ( in @ ( ordered_pair @ SV19 @ SY87 ) @ sK1_A )
            | ( SY86 = SY87 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[133]) ).

thf(167,plain,
    ! [SV20: $i] :
      ( ( ( ( ordered_pair @ ( sK2_C @ SV20 ) @ ( sK3_SY66 @ SV20 ) )
          = SV20 )
        | ~ ( in @ SV20 @ sK1_A ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[134]) ).

thf(168,plain,
    ( ( relation @ sK1_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[135]) ).

thf(169,plain,
    ( ( ~ ~ ( empty @ sK13_A )
      | ~ ( relation @ sK13_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[136]) ).

thf(170,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)],[137]) ).

thf(171,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK6_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(172,plain,
    ( ( ~ ( function @ sK17_A )
      | ~ ( relation @ sK17_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[139]) ).

thf(173,plain,
    ! [SV21: $i] :
      ( ( ( empty @ SV21 )
        | ~ ( ~ ( element @ ( sK16_B @ SV21 ) @ ( powerset @ SV21 ) )
            | ~ ~ ( empty @ ( sK16_B @ SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[140]) ).

thf(174,plain,
    ( ( ~ ( empty @ sK14_A )
      | ~ ( relation @ sK14_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[141]) ).

thf(175,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
                | ~ ( ( ( sK8_SY70 @ SX0 )
                     != ( sK9_SY72 @ SX0 ) ) ) )
            | ( function @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
                | ( SX2 = SX3 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[142]) ).

thf(176,plain,
    ( ( ~ ( relation @ sK12_A )
      | ~ ( relation_empty_yielding @ sK12_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[143]) ).

thf(177,plain,
    ! [SV22: $i] :
      ( ( ~ ( ~ ( element @ ( sK15_B @ SV22 ) @ ( powerset @ SV22 ) )
            | ~ ( empty @ ( sK15_B @ SV22 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[144]) ).

thf(178,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[145]) ).

thf(179,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) )
      | ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[146]) ).

thf(180,plain,
    ! [SV23: $i,SV2: $i] :
      ( ( ( unordered_pair @ SV2 @ SV23 )
        = ( unordered_pair @ SV23 @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[148]) ).

thf(181,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( empty @ SV4 ) )
        = $true )
      | ( ( function @ SV4 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[150]) ).

thf(182,plain,
    ! [SV5: $i] :
      ( ( empty @ ( powerset @ SV5 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[151]) ).

thf(183,plain,
    ! [SV6: $i] :
      ( ( empty @ ( singleton @ SV6 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[152]) ).

thf(184,plain,
    ! [SV24: $i,SV7: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV7 @ SV24 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[153]) ).

thf(185,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( empty @ SV8 ) )
        = $true )
      | ( ( relation @ SV8 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[154]) ).

thf(186,plain,
    ! [SV25: $i,SV9: $i] :
      ( ( ~ ( element @ SV9 @ SV25 )
        | ( empty @ SV25 )
        | ( in @ SV9 @ SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[155]) ).

thf(187,plain,
    ! [SV10: $i,SV26: $i] :
      ( ( ! [SY88: $i] :
            ( ~ ( element @ SV26 @ ( powerset @ SY88 ) )
            | ~ ( in @ SV10 @ SV26 )
            | ( element @ SV10 @ SY88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[156]) ).

thf(188,plain,
    ! [SV11: $i,SV27: $i] :
      ( ( ! [SY89: $i] :
            ( ~ ( element @ SV27 @ ( powerset @ SY89 ) )
            | ~ ( in @ SV11 @ SV27 )
            | ~ ( empty @ SY89 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[157]) ).

thf(189,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( empty @ SV12 ) )
        = $true )
      | ( ( SV12 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[158]) ).

thf(190,plain,
    ! [SV28: $i,SV13: $i] :
      ( ( ( SV13 = SV28 )
        | ~ ( empty @ SV13 )
        | ~ ( empty @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[159]) ).

thf(191,plain,
    ! [SV29: $i,SV14: $i] :
      ( ( ~ ( in @ SV14 @ SV29 )
        | ~ ( in @ SV29 @ SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[160]) ).

thf(192,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV15 @ SV30 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[161]) ).

thf(193,plain,
    ! [SV31: $i,SV16: $i] :
      ( ( ~ ( in @ SV16 @ SV31 )
        | ( element @ SV16 @ SV31 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[163]) ).

thf(194,plain,
    ! [SV17: $i,SV32: $i] :
      ( ( ~ ( empty @ SV32 )
        | ~ ( in @ SV17 @ SV32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[164]) ).

thf(195,plain,
    ! [SV33: $i,SV18: $i] :
      ( ( ( ordered_pair @ SV18 @ SV33 )
        = ( unordered_pair @ ( unordered_pair @ SV18 @ SV33 ) @ ( singleton @ SV18 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[165]) ).

thf(196,plain,
    ! [SV34: $i,SV19: $i] :
      ( ( ! [SY90: $i] :
            ( ~ ( in @ ( ordered_pair @ SV19 @ SV34 ) @ sK1_A )
            | ~ ( in @ ( ordered_pair @ SV19 @ SY90 ) @ sK1_A )
            | ( SV34 = SY90 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[166]) ).

thf(197,plain,
    ! [SV20: $i] :
      ( ( ( ( ordered_pair @ ( sK2_C @ SV20 ) @ ( sK3_SY66 @ SV20 ) )
          = SV20 )
        = $true )
      | ( ( ~ ( in @ SV20 @ sK1_A ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[167]) ).

thf(198,plain,
    ( ( ~ ~ ( empty @ sK13_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[169]) ).

thf(199,plain,
    ( ( ~ ( relation @ sK13_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[169]) ).

thf(200,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[170]) ).

thf(201,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[170]) ).

thf(202,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK6_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[171]) ).

thf(203,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[171]) ).

thf(204,plain,
    ( ( ~ ( function @ sK17_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[172]) ).

thf(205,plain,
    ( ( ~ ( relation @ sK17_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[172]) ).

thf(206,plain,
    ! [SV21: $i] :
      ( ( ( empty @ SV21 )
        = $true )
      | ( ( ~ ( ~ ( element @ ( sK16_B @ SV21 ) @ ( powerset @ SV21 ) )
              | ~ ~ ( empty @ ( sK16_B @ SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[173]) ).

thf(207,plain,
    ( ( ~ ( empty @ sK14_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[174]) ).

thf(208,plain,
    ( ( ~ ( relation @ sK14_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[174]) ).

thf(209,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
                | ~ ( ( ( sK8_SY70 @ SX0 )
                     != ( sK9_SY72 @ SX0 ) ) ) )
            | ( function @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[175]) ).

thf(210,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
                | ( SX2 = SX3 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[175]) ).

thf(211,plain,
    ( ( ~ ( relation @ sK12_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[176]) ).

thf(212,plain,
    ( ( ~ ( relation_empty_yielding @ sK12_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[176]) ).

thf(213,plain,
    ! [SV22: $i] :
      ( ( ~ ( element @ ( sK15_B @ SV22 ) @ ( powerset @ SV22 ) )
        | ~ ( empty @ ( sK15_B @ SV22 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[177]) ).

thf(214,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[178]) ).

thf(215,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[178]) ).

thf(216,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[179]) ).

thf(217,plain,
    ( ( ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[179]) ).

thf(218,plain,
    ! [SV4: $i] :
      ( ( ( empty @ SV4 )
        = $false )
      | ( ( function @ SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(219,plain,
    ! [SV24: $i,SV7: $i] :
      ( ( empty @ ( unordered_pair @ SV7 @ SV24 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[184]) ).

thf(220,plain,
    ! [SV8: $i] :
      ( ( ( empty @ SV8 )
        = $false )
      | ( ( relation @ SV8 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[185]) ).

thf(221,plain,
    ! [SV25: $i,SV9: $i] :
      ( ( ( ~ ( element @ SV9 @ SV25 ) )
        = $true )
      | ( ( ( empty @ SV25 )
          | ( in @ SV9 @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[186]) ).

thf(222,plain,
    ! [SV10: $i,SV35: $i,SV26: $i] :
      ( ( ~ ( element @ SV26 @ ( powerset @ SV35 ) )
        | ~ ( in @ SV10 @ SV26 )
        | ( element @ SV10 @ SV35 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[187]) ).

thf(223,plain,
    ! [SV11: $i,SV36: $i,SV27: $i] :
      ( ( ~ ( element @ SV27 @ ( powerset @ SV36 ) )
        | ~ ( in @ SV11 @ SV27 )
        | ~ ( empty @ SV36 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[188]) ).

thf(224,plain,
    ! [SV12: $i] :
      ( ( ( empty @ SV12 )
        = $false )
      | ( ( SV12 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[189]) ).

thf(225,plain,
    ! [SV28: $i,SV13: $i] :
      ( ( ( ( SV13 = SV28 )
          | ~ ( empty @ SV13 ) )
        = $true )
      | ( ( ~ ( empty @ SV28 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[190]) ).

thf(226,plain,
    ! [SV29: $i,SV14: $i] :
      ( ( ( ~ ( in @ SV14 @ SV29 ) )
        = $true )
      | ( ( ~ ( in @ SV29 @ SV14 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[191]) ).

thf(227,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( empty @ ( ordered_pair @ SV15 @ SV30 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[192]) ).

thf(228,plain,
    ! [SV31: $i,SV16: $i] :
      ( ( ( ~ ( in @ SV16 @ SV31 ) )
        = $true )
      | ( ( element @ SV16 @ SV31 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[193]) ).

thf(229,plain,
    ! [SV17: $i,SV32: $i] :
      ( ( ( ~ ( empty @ SV32 ) )
        = $true )
      | ( ( ~ ( in @ SV17 @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[194]) ).

thf(230,plain,
    ! [SV37: $i,SV34: $i,SV19: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV19 @ SV34 ) @ sK1_A )
        | ~ ( in @ ( ordered_pair @ SV19 @ SV37 ) @ sK1_A )
        | ( SV34 = SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[196]) ).

thf(231,plain,
    ! [SV20: $i] :
      ( ( ( in @ SV20 @ sK1_A )
        = $false )
      | ( ( ( ordered_pair @ ( sK2_C @ SV20 ) @ ( sK3_SY66 @ SV20 ) )
          = SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[197]) ).

thf(232,plain,
    ( ( ~ ( empty @ sK13_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[198]) ).

thf(233,plain,
    ( ( relation @ sK13_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[199]) ).

thf(234,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[200]) ).

thf(235,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[201]) ).

thf(236,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ( sK6_B @ SX0 )
                   != ( ordered_pair @ SX1 @ SX2 ) )
              | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
          | ( relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[202]) ).

thf(237,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ( SX1
                = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
              | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[203]) ).

thf(238,plain,
    ( ( function @ sK17_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[204]) ).

thf(239,plain,
    ( ( relation @ sK17_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[205]) ).

thf(240,plain,
    ! [SV21: $i] :
      ( ( ( ~ ( element @ ( sK16_B @ SV21 ) @ ( powerset @ SV21 ) )
          | ~ ~ ( empty @ ( sK16_B @ SV21 ) ) )
        = $false )
      | ( ( empty @ SV21 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[206]) ).

thf(241,plain,
    ( ( empty @ sK14_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[207]) ).

thf(242,plain,
    ( ( relation @ sK14_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[208]) ).

thf(243,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
              | ~ ( ( ( sK8_SY70 @ SX0 )
                   != ( sK9_SY72 @ SX0 ) ) ) )
          | ( function @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[209]) ).

thf(244,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( function @ SX0 )
          | ! [SX1: $i,SX2: $i,SX3: $i] :
              ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
              | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
              | ( SX2 = SX3 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[210]) ).

thf(245,plain,
    ( ( relation @ sK12_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[211]) ).

thf(246,plain,
    ( ( relation_empty_yielding @ sK12_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[212]) ).

thf(247,plain,
    ! [SV22: $i] :
      ( ( ~ ( element @ ( sK15_B @ SV22 ) @ ( powerset @ SV22 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[213]) ).

thf(248,plain,
    ! [SV22: $i] :
      ( ( ~ ( empty @ ( sK15_B @ SV22 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[213]) ).

thf(249,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[214]) ).

thf(250,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[215]) ).

thf(251,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[216]) ).

thf(252,plain,
    ( ( relation_empty_yielding @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[217]) ).

thf(253,plain,
    ! [SV25: $i,SV9: $i] :
      ( ( ( element @ SV9 @ SV25 )
        = $false )
      | ( ( ( empty @ SV25 )
          | ( in @ SV9 @ SV25 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(254,plain,
    ! [SV10: $i,SV35: $i,SV26: $i] :
      ( ( ( ~ ( element @ SV26 @ ( powerset @ SV35 ) )
          | ~ ( in @ SV10 @ SV26 ) )
        = $true )
      | ( ( element @ SV10 @ SV35 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[222]) ).

thf(255,plain,
    ! [SV11: $i,SV36: $i,SV27: $i] :
      ( ( ( ~ ( element @ SV27 @ ( powerset @ SV36 ) )
          | ~ ( in @ SV11 @ SV27 ) )
        = $true )
      | ( ( ~ ( empty @ SV36 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[223]) ).

thf(256,plain,
    ! [SV28: $i,SV13: $i] :
      ( ( ( SV13 = SV28 )
        = $true )
      | ( ( ~ ( empty @ SV13 ) )
        = $true )
      | ( ( ~ ( empty @ SV28 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[225]) ).

thf(257,plain,
    ! [SV29: $i,SV14: $i] :
      ( ( ( in @ SV14 @ SV29 )
        = $false )
      | ( ( ~ ( in @ SV29 @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[226]) ).

thf(258,plain,
    ! [SV31: $i,SV16: $i] :
      ( ( ( in @ SV16 @ SV31 )
        = $false )
      | ( ( element @ SV16 @ SV31 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[228]) ).

thf(259,plain,
    ! [SV17: $i,SV32: $i] :
      ( ( ( empty @ SV32 )
        = $false )
      | ( ( ~ ( in @ SV17 @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[229]) ).

thf(260,plain,
    ! [SV37: $i,SV34: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV19 @ SV34 ) @ sK1_A )
          | ~ ( in @ ( ordered_pair @ SV19 @ SV37 ) @ sK1_A ) )
        = $true )
      | ( ( SV34 = SV37 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[230]) ).

thf(261,plain,
    ( ( empty @ sK13_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[232]) ).

thf(262,plain,
    ! [SV38: $i] :
      ( ( ! [SY91: $i] :
            ( ~ ( element @ SV38 @ ( powerset @ SY91 ) )
            | ( subset @ SV38 @ SY91 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[234]) ).

thf(263,plain,
    ! [SV39: $i] :
      ( ( ! [SY92: $i] :
            ( ~ ( subset @ SV39 @ SY92 )
            | ( element @ SV39 @ ( powerset @ SY92 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[235]) ).

thf(264,plain,
    ! [SV40: $i] :
      ( ( ~ ( ~ ! [SY93: $i,SY94: $i] :
                  ( ( sK6_B @ SV40 )
                 != ( ordered_pair @ SY93 @ SY94 ) )
            | ~ ( in @ ( sK6_B @ SV40 ) @ SV40 ) )
        | ( relation @ SV40 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[236]) ).

thf(265,plain,
    ! [SV41: $i] :
      ( ( ~ ( relation @ SV41 )
        | ! [SY95: $i] :
            ( ( SY95
              = ( ordered_pair @ ( sK4_C @ SY95 @ SV41 ) @ ( sK5_SY67 @ SY95 @ SV41 ) ) )
            | ~ ( in @ SY95 @ SV41 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[237]) ).

thf(266,plain,
    ! [SV21: $i] :
      ( ( ( ~ ( element @ ( sK16_B @ SV21 ) @ ( powerset @ SV21 ) ) )
        = $false )
      | ( ( empty @ SV21 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[240]) ).

thf(267,plain,
    ! [SV21: $i] :
      ( ( ( ~ ~ ( empty @ ( sK16_B @ SV21 ) ) )
        = $false )
      | ( ( empty @ SV21 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[240]) ).

thf(268,plain,
    ! [SV42: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
                  | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) )
            | ~ ( ( ( sK8_SY70 @ SV42 )
                 != ( sK9_SY72 @ SV42 ) ) ) )
        | ( function @ SV42 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[243]) ).

thf(269,plain,
    ! [SV43: $i] :
      ( ( ~ ( function @ SV43 )
        | ! [SY96: $i,SY97: $i,SY98: $i] :
            ( ~ ( in @ ( ordered_pair @ SY96 @ SY97 ) @ SV43 )
            | ~ ( in @ ( ordered_pair @ SY96 @ SY98 ) @ SV43 )
            | ( SY97 = SY98 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[244]) ).

thf(270,plain,
    ! [SV22: $i] :
      ( ( element @ ( sK15_B @ SV22 ) @ ( powerset @ SV22 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[247]) ).

thf(271,plain,
    ! [SV22: $i] :
      ( ( empty @ ( sK15_B @ SV22 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[248]) ).

thf(272,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[251]) ).

thf(273,plain,
    ! [SV9: $i,SV25: $i] :
      ( ( ( empty @ SV25 )
        = $true )
      | ( ( in @ SV9 @ SV25 )
        = $true )
      | ( ( element @ SV9 @ SV25 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[253]) ).

thf(274,plain,
    ! [SV10: $i,SV35: $i,SV26: $i] :
      ( ( ( ~ ( element @ SV26 @ ( powerset @ SV35 ) ) )
        = $true )
      | ( ( ~ ( in @ SV10 @ SV26 ) )
        = $true )
      | ( ( element @ SV10 @ SV35 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[254]) ).

thf(275,plain,
    ! [SV11: $i,SV36: $i,SV27: $i] :
      ( ( ( ~ ( element @ SV27 @ ( powerset @ SV36 ) ) )
        = $true )
      | ( ( ~ ( in @ SV11 @ SV27 ) )
        = $true )
      | ( ( ~ ( empty @ SV36 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[255]) ).

thf(276,plain,
    ! [SV28: $i,SV13: $i] :
      ( ( ( empty @ SV13 )
        = $false )
      | ( ( SV13 = SV28 )
        = $true )
      | ( ( ~ ( empty @ SV28 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[256]) ).

thf(277,plain,
    ! [SV14: $i,SV29: $i] :
      ( ( ( in @ SV29 @ SV14 )
        = $false )
      | ( ( in @ SV14 @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[257]) ).

thf(278,plain,
    ! [SV32: $i,SV17: $i] :
      ( ( ( in @ SV17 @ SV32 )
        = $false )
      | ( ( empty @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[259]) ).

thf(279,plain,
    ! [SV37: $i,SV34: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV19 @ SV34 ) @ sK1_A ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV19 @ SV37 ) @ sK1_A ) )
        = $true )
      | ( ( SV34 = SV37 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[260]) ).

thf(280,plain,
    ! [SV44: $i,SV38: $i] :
      ( ( ~ ( element @ SV38 @ ( powerset @ SV44 ) )
        | ( subset @ SV38 @ SV44 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[262]) ).

thf(281,plain,
    ! [SV45: $i,SV39: $i] :
      ( ( ~ ( subset @ SV39 @ SV45 )
        | ( element @ SV39 @ ( powerset @ SV45 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[263]) ).

thf(282,plain,
    ! [SV40: $i] :
      ( ( ( ~ ( ~ ! [SY93: $i,SY94: $i] :
                    ( ( sK6_B @ SV40 )
                   != ( ordered_pair @ SY93 @ SY94 ) )
              | ~ ( in @ ( sK6_B @ SV40 ) @ SV40 ) ) )
        = $true )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[264]) ).

thf(283,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( relation @ SV41 ) )
        = $true )
      | ( ( ! [SY95: $i] :
              ( ( SY95
                = ( ordered_pair @ ( sK4_C @ SY95 @ SV41 ) @ ( sK5_SY67 @ SY95 @ SV41 ) ) )
              | ~ ( in @ SY95 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[265]) ).

thf(284,plain,
    ! [SV21: $i] :
      ( ( ( element @ ( sK16_B @ SV21 ) @ ( powerset @ SV21 ) )
        = $true )
      | ( ( empty @ SV21 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[266]) ).

thf(285,plain,
    ! [SV21: $i] :
      ( ( ( ~ ( empty @ ( sK16_B @ SV21 ) ) )
        = $true )
      | ( ( empty @ SV21 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[267]) ).

thf(286,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
                    | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) )
              | ~ ( ( ( sK8_SY70 @ SV42 )
                   != ( sK9_SY72 @ SV42 ) ) ) ) )
        = $true )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[268]) ).

thf(287,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( function @ SV43 ) )
        = $true )
      | ( ( ! [SY96: $i,SY97: $i,SY98: $i] :
              ( ~ ( in @ ( ordered_pair @ SY96 @ SY97 ) @ SV43 )
              | ~ ( in @ ( ordered_pair @ SY96 @ SY98 ) @ SV43 )
              | ( SY97 = SY98 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[269]) ).

thf(288,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[272]) ).

thf(289,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[272]) ).

thf(290,plain,
    ! [SV10: $i,SV35: $i,SV26: $i] :
      ( ( ( element @ SV26 @ ( powerset @ SV35 ) )
        = $false )
      | ( ( ~ ( in @ SV10 @ SV26 ) )
        = $true )
      | ( ( element @ SV10 @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[274]) ).

thf(291,plain,
    ! [SV11: $i,SV36: $i,SV27: $i] :
      ( ( ( element @ SV27 @ ( powerset @ SV36 ) )
        = $false )
      | ( ( ~ ( in @ SV11 @ SV27 ) )
        = $true )
      | ( ( ~ ( empty @ SV36 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[275]) ).

thf(292,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( empty @ SV28 )
        = $false )
      | ( ( SV13 = SV28 )
        = $true )
      | ( ( empty @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[276]) ).

thf(293,plain,
    ! [SV37: $i,SV34: $i,SV19: $i] :
      ( ( ( in @ ( ordered_pair @ SV19 @ SV34 ) @ sK1_A )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV19 @ SV37 ) @ sK1_A ) )
        = $true )
      | ( ( SV34 = SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[279]) ).

thf(294,plain,
    ! [SV44: $i,SV38: $i] :
      ( ( ( ~ ( element @ SV38 @ ( powerset @ SV44 ) ) )
        = $true )
      | ( ( subset @ SV38 @ SV44 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[280]) ).

thf(295,plain,
    ! [SV45: $i,SV39: $i] :
      ( ( ( ~ ( subset @ SV39 @ SV45 ) )
        = $true )
      | ( ( element @ SV39 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[281]) ).

thf(296,plain,
    ! [SV40: $i] :
      ( ( ( ~ ! [SY93: $i,SY94: $i] :
                ( ( sK6_B @ SV40 )
               != ( ordered_pair @ SY93 @ SY94 ) )
          | ~ ( in @ ( sK6_B @ SV40 ) @ SV40 ) )
        = $false )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[282]) ).

thf(297,plain,
    ! [SV41: $i] :
      ( ( ( relation @ SV41 )
        = $false )
      | ( ( ! [SY95: $i] :
              ( ( SY95
                = ( ordered_pair @ ( sK4_C @ SY95 @ SV41 ) @ ( sK5_SY67 @ SY95 @ SV41 ) ) )
              | ~ ( in @ SY95 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[283]) ).

thf(298,plain,
    ! [SV21: $i] :
      ( ( ( empty @ ( sK16_B @ SV21 ) )
        = $false )
      | ( ( empty @ SV21 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[285]) ).

thf(299,plain,
    ! [SV42: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
                | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) )
          | ~ ( ( ( sK8_SY70 @ SV42 )
               != ( sK9_SY72 @ SV42 ) ) ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[286]) ).

thf(300,plain,
    ! [SV43: $i] :
      ( ( ( function @ SV43 )
        = $false )
      | ( ( ! [SY96: $i,SY97: $i,SY98: $i] :
              ( ~ ( in @ ( ordered_pair @ SY96 @ SY97 ) @ SV43 )
              | ~ ( in @ ( ordered_pair @ SY96 @ SY98 ) @ SV43 )
              | ( SY97 = SY98 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[287]) ).

thf(301,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[288]) ).

thf(302,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[289]) ).

thf(303,plain,
    ! [SV35: $i,SV26: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV26 )
        = $false )
      | ( ( element @ SV26 @ ( powerset @ SV35 ) )
        = $false )
      | ( ( element @ SV10 @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[290]) ).

thf(304,plain,
    ! [SV36: $i,SV27: $i,SV11: $i] :
      ( ( ( in @ SV11 @ SV27 )
        = $false )
      | ( ( element @ SV27 @ ( powerset @ SV36 ) )
        = $false )
      | ( ( ~ ( empty @ SV36 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[291]) ).

thf(305,plain,
    ! [SV34: $i,SV37: $i,SV19: $i] :
      ( ( ( in @ ( ordered_pair @ SV19 @ SV37 ) @ sK1_A )
        = $false )
      | ( ( in @ ( ordered_pair @ SV19 @ SV34 ) @ sK1_A )
        = $false )
      | ( ( SV34 = SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[293]) ).

thf(306,plain,
    ! [SV44: $i,SV38: $i] :
      ( ( ( element @ SV38 @ ( powerset @ SV44 ) )
        = $false )
      | ( ( subset @ SV38 @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[294]) ).

thf(307,plain,
    ! [SV45: $i,SV39: $i] :
      ( ( ( subset @ SV39 @ SV45 )
        = $false )
      | ( ( element @ SV39 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(308,plain,
    ! [SV40: $i] :
      ( ( ( ~ ! [SY93: $i,SY94: $i] :
                ( ( sK6_B @ SV40 )
               != ( ordered_pair @ SY93 @ SY94 ) ) )
        = $false )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(309,plain,
    ! [SV40: $i] :
      ( ( ( ~ ( in @ ( sK6_B @ SV40 ) @ SV40 ) )
        = $false )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(310,plain,
    ! [SV41: $i,SV46: $i] :
      ( ( ( ( SV46
            = ( ordered_pair @ ( sK4_C @ SV46 @ SV41 ) @ ( sK5_SY67 @ SV46 @ SV41 ) ) )
          | ~ ( in @ SV46 @ SV41 ) )
        = $true )
      | ( ( relation @ SV41 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[297]) ).

thf(311,plain,
    ! [SV42: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
                | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[299]) ).

thf(312,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( ( ( sK8_SY70 @ SV42 )
               != ( sK9_SY72 @ SV42 ) ) ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[299]) ).

thf(313,plain,
    ! [SV43: $i,SV47: $i] :
      ( ( ( ! [SY99: $i,SY100: $i] :
              ( ~ ( in @ ( ordered_pair @ SV47 @ SY99 ) @ SV43 )
              | ~ ( in @ ( ordered_pair @ SV47 @ SY100 ) @ SV43 )
              | ( SY99 = SY100 ) ) )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[300]) ).

thf(314,plain,
    ! [SV11: $i,SV27: $i,SV36: $i] :
      ( ( ( empty @ SV36 )
        = $false )
      | ( ( element @ SV27 @ ( powerset @ SV36 ) )
        = $false )
      | ( ( in @ SV11 @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[304]) ).

thf(315,plain,
    ! [SV40: $i] :
      ( ( ( ! [SY93: $i,SY94: $i] :
              ( ( sK6_B @ SV40 )
             != ( ordered_pair @ SY93 @ SY94 ) ) )
        = $true )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[308]) ).

thf(316,plain,
    ! [SV40: $i] :
      ( ( ( in @ ( sK6_B @ SV40 ) @ SV40 )
        = $true )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[309]) ).

thf(317,plain,
    ! [SV41: $i,SV46: $i] :
      ( ( ( SV46
          = ( ordered_pair @ ( sK4_C @ SV46 @ SV41 ) @ ( sK5_SY67 @ SV46 @ SV41 ) ) )
        = $true )
      | ( ( ~ ( in @ SV46 @ SV41 ) )
        = $true )
      | ( ( relation @ SV41 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[310]) ).

thf(318,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
              | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) ) )
        = $true )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[311]) ).

thf(319,plain,
    ! [SV42: $i] :
      ( ( ( ( ( sK8_SY70 @ SV42 )
           != ( sK9_SY72 @ SV42 ) ) )
        = $true )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[312]) ).

thf(320,plain,
    ! [SV43: $i,SV48: $i,SV47: $i] :
      ( ( ( ! [SY101: $i] :
              ( ~ ( in @ ( ordered_pair @ SV47 @ SV48 ) @ SV43 )
              | ~ ( in @ ( ordered_pair @ SV47 @ SY101 ) @ SV43 )
              | ( SV48 = SY101 ) ) )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[313]) ).

thf(321,plain,
    ! [SV49: $i,SV40: $i] :
      ( ( ( ! [SY102: $i] :
              ( ( sK6_B @ SV40 )
             != ( ordered_pair @ SV49 @ SY102 ) ) )
        = $true )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[315]) ).

thf(322,plain,
    ! [SV41: $i,SV46: $i] :
      ( ( ( in @ SV46 @ SV41 )
        = $false )
      | ( ( SV46
          = ( ordered_pair @ ( sK4_C @ SV46 @ SV41 ) @ ( sK5_SY67 @ SV46 @ SV41 ) ) )
        = $true )
      | ( ( relation @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[317]) ).

thf(323,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
          | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[318]) ).

thf(324,plain,
    ! [SV42: $i] :
      ( ( ( ( sK8_SY70 @ SV42 )
          = ( sK9_SY72 @ SV42 ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[319]) ).

thf(325,plain,
    ! [SV50: $i,SV43: $i,SV48: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV47 @ SV48 ) @ SV43 )
          | ~ ( in @ ( ordered_pair @ SV47 @ SV50 ) @ SV43 )
          | ( SV48 = SV50 ) )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[320]) ).

thf(326,plain,
    ! [SV51: $i,SV49: $i,SV40: $i] :
      ( ( ( ( ( sK6_B @ SV40 )
           != ( ordered_pair @ SV49 @ SV51 ) ) )
        = $true )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[321]) ).

thf(327,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[323]) ).

thf(328,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 ) )
        = $false )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[323]) ).

thf(329,plain,
    ! [SV50: $i,SV43: $i,SV48: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV47 @ SV48 ) @ SV43 )
          | ~ ( in @ ( ordered_pair @ SV47 @ SV50 ) @ SV43 ) )
        = $true )
      | ( ( SV48 = SV50 )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[325]) ).

thf(330,plain,
    ! [SV51: $i,SV49: $i,SV40: $i] :
      ( ( ( ( sK6_B @ SV40 )
          = ( ordered_pair @ SV49 @ SV51 ) )
        = $false )
      | ( ( relation @ SV40 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[326]) ).

thf(331,plain,
    ! [SV42: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK8_SY70 @ SV42 ) ) @ SV42 )
        = $true )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[327]) ).

thf(332,plain,
    ! [SV42: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK7_B @ SV42 ) @ ( sK9_SY72 @ SV42 ) ) @ SV42 )
        = $true )
      | ( ( function @ SV42 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[328]) ).

thf(333,plain,
    ! [SV50: $i,SV43: $i,SV48: $i,SV47: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV47 @ SV48 ) @ SV43 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV47 @ SV50 ) @ SV43 ) )
        = $true )
      | ( ( SV48 = SV50 )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[329]) ).

thf(334,plain,
    ! [SV50: $i,SV43: $i,SV48: $i,SV47: $i] :
      ( ( ( in @ ( ordered_pair @ SV47 @ SV48 ) @ SV43 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV47 @ SV50 ) @ SV43 ) )
        = $true )
      | ( ( SV48 = SV50 )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[333]) ).

thf(335,plain,
    ! [SV48: $i,SV43: $i,SV50: $i,SV47: $i] :
      ( ( ( in @ ( ordered_pair @ SV47 @ SV50 ) @ SV43 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV47 @ SV48 ) @ SV43 )
        = $false )
      | ( ( SV48 = SV50 )
        = $true )
      | ( ( function @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[334]) ).

thf(336,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[104,335,332,331,330,324,322,316,314,307,306,305,303,302,301,298,292,284,278,277,273,271,270,261,258,252,250,249,246,245,242,241,239,238,233,231,227,224,220,219,218,195,183,182,180,168,162,149,147,126]) ).

thf(337,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[100]) ).

thf(338,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[66]) ).

thf(339,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[65]) ).

thf(340,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[64]) ).

thf(341,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[63]) ).

thf(342,plain,
    ( ( ! [A: $i] : ( element @ ( sK18_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[99]) ).

thf(343,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( function @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[98]) ).

thf(344,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[60]) ).

thf(345,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[59]) ).

thf(346,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[58]) ).

thf(347,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[97]) ).

thf(348,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[96]) ).

thf(349,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)],[95]) ).

thf(350,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[94]) ).

thf(351,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( element @ B @ ( powerset @ C ) )
          | ~ ( in @ A @ B )
          | ~ ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[93]) ).

thf(352,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[92]) ).

thf(353,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[91]) ).

thf(354,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[90]) ).

thf(355,plain,
    ( ( ( function @ sK17_A )
      & ( relation @ sK17_A ) )
    = $true ),
    inference(copy,[status(thm)],[89]) ).

thf(356,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ( ( element @ ( sK16_B @ A ) @ ( powerset @ A ) )
            & ~ ( empty @ ( sK16_B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[88]) ).

thf(357,plain,
    ( ( ! [A: $i] :
          ( ( element @ ( sK15_B @ A ) @ ( powerset @ A ) )
          & ( empty @ ( sK15_B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[87]) ).

thf(358,plain,
    ( ( ( empty @ sK14_A )
      & ( relation @ sK14_A ) )
    = $true ),
    inference(copy,[status(thm)],[86]) ).

thf(359,plain,
    ( ( ~ ( empty @ sK13_A )
      & ( relation @ sK13_A ) )
    = $true ),
    inference(copy,[status(thm)],[85]) ).

thf(360,plain,
    ( ( ( relation @ sK12_A )
      & ( relation_empty_yielding @ sK12_A ) )
    = $true ),
    inference(copy,[status(thm)],[84]) ).

thf(361,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(362,plain,
    ( ( empty @ sK11_A )
    = $true ),
    inference(copy,[status(thm)],[83]) ).

thf(363,plain,
    ( ( ~ ( empty @ sK10_A ) )
    = $true ),
    inference(copy,[status(thm)],[82]) ).

thf(364,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[81]) ).

thf(365,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[80]) ).

thf(366,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(367,plain,
    ( ( ! [A: $i] :
          ( ( ( in @ ( ordered_pair @ ( sK7_B @ A ) @ ( sK8_SY70 @ A ) ) @ A )
            & ( in @ ( ordered_pair @ ( sK7_B @ A ) @ ( sK9_SY72 @ A ) ) @ A )
            & ( ( sK8_SY70 @ A )
             != ( sK9_SY72 @ A ) ) )
          | ( function @ A ) )
      & ! [A: $i] :
          ( ~ ( function @ A )
          | ! [B: $i,C: $i,D: $i] :
              ( ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              | ~ ( in @ ( ordered_pair @ B @ D ) @ A )
              | ( C = D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[79]) ).

thf(368,plain,
    ( ( ! [A: $i] :
          ( ( ! [SY68: $i,SY69: $i] :
                ( ( sK6_B @ A )
               != ( ordered_pair @ SY68 @ SY69 ) )
            & ( in @ ( sK6_B @ A ) @ A ) )
          | ( relation @ A ) )
      & ! [A: $i] :
          ( ~ ( relation @ A )
          | ! [B: $i] :
              ( ( B
                = ( ordered_pair @ ( sK4_C @ B @ A ) @ ( sK5_SY67 @ B @ A ) ) )
              | ~ ( in @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[78]) ).

thf(369,plain,
    ( ( ! [SY63: $i,SY64: $i,SY65: $i] :
          ( ~ ( in @ ( ordered_pair @ SY63 @ SY64 ) @ sK1_A )
          | ~ ( in @ ( ordered_pair @ SY63 @ SY65 ) @ sK1_A )
          | ( SY64 = SY65 ) ) )
    = $true ),
    inference(copy,[status(thm)],[77]) ).

thf(370,plain,
    ( ( ! [SY60: $i] :
          ( ( ( ordered_pair @ ( sK2_C @ SY60 ) @ ( sK3_SY66 @ SY60 ) )
            = SY60 )
          | ~ ( in @ SY60 @ sK1_A ) ) )
    = $true ),
    inference(copy,[status(thm)],[76]) ).

thf(371,plain,
    ( ( ~ ( function @ sK1_A ) )
    = $true ),
    inference(copy,[status(thm)],[75]) ).

thf(372,plain,
    ( ( ~ ( ~ ( relation @ sK12_A )
          | ~ ( relation_empty_yielding @ sK12_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[360]) ).

thf(373,plain,
    ( ( ~ ( ~ ( empty @ sK14_A )
          | ~ ( relation @ sK14_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[358]) ).

thf(374,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                          | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
                    | ~ ( ( ( sK8_SY70 @ SX0 )
                         != ( sK9_SY72 @ SX0 ) ) ) )
                | ( function @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( function @ SX0 )
                | ! [SX1: $i,SX2: $i,SX3: $i] :
                    ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
                    | ( SX2 = SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[367]) ).

thf(375,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[338]) ).

thf(376,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                          ( ( sK6_B @ SX0 )
                         != ( ordered_pair @ SX1 @ SX2 ) )
                    | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
                | ( relation @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( relation @ SX0 )
                | ! [SX1: $i] :
                    ( ( SX1
                      = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
                    | ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[368]) ).

thf(377,plain,
    ( ( ~ ( ~ ~ ( ~ ( empty @ empty_set )
                | ~ ( relation @ empty_set ) )
          | ~ ( relation_empty_yielding @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[339]) ).

thf(378,plain,
    ( ( ! [SX0: $i] :
          ( ( empty @ SX0 )
          | ~ ( ~ ( element @ ( sK16_B @ SX0 ) @ ( powerset @ SX0 ) )
              | ~ ~ ( empty @ ( sK16_B @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[356]) ).

thf(379,plain,
    ( ( ~ ( ~ ( function @ sK17_A )
          | ~ ( relation @ sK17_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[355]) ).

thf(380,plain,
    ( ( ~ ( ~ ~ ( empty @ sK13_A )
          | ~ ( relation @ sK13_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[359]) ).

thf(381,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)],[349]) ).

thf(382,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( element @ ( sK15_B @ SX0 ) @ ( powerset @ SX0 ) )
            | ~ ( empty @ ( sK15_B @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[357]) ).

thf(383,plain,
    ! [SV52: $i] :
      ( ( subset @ SV52 @ SV52 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[337]) ).

thf(384,plain,
    ! [SV53: $i] :
      ( ( ! [SY103: $i] :
            ( ( unordered_pair @ SV53 @ SY103 )
            = ( unordered_pair @ SY103 @ SV53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[341]) ).

thf(385,plain,
    ! [SV54: $i] :
      ( ( element @ ( sK18_B @ SV54 ) @ SV54 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[342]) ).

thf(386,plain,
    ! [SV55: $i] :
      ( ( ~ ( empty @ SV55 )
        | ( function @ SV55 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[343]) ).

thf(387,plain,
    ! [SV56: $i] :
      ( ( ~ ( empty @ ( powerset @ SV56 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[344]) ).

thf(388,plain,
    ! [SV57: $i] :
      ( ( ~ ( empty @ ( singleton @ SV57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[345]) ).

thf(389,plain,
    ! [SV58: $i] :
      ( ( ! [SY104: $i] :
            ~ ( empty @ ( unordered_pair @ SV58 @ SY104 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[346]) ).

thf(390,plain,
    ! [SV59: $i] :
      ( ( ~ ( empty @ SV59 )
        | ( relation @ SV59 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[347]) ).

thf(391,plain,
    ! [SV60: $i] :
      ( ( ! [SY105: $i] :
            ( ~ ( element @ SV60 @ SY105 )
            | ( empty @ SY105 )
            | ( in @ SV60 @ SY105 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[348]) ).

thf(392,plain,
    ! [SV61: $i] :
      ( ( ! [SY106: $i,SY107: $i] :
            ( ~ ( element @ SY106 @ ( powerset @ SY107 ) )
            | ~ ( in @ SV61 @ SY106 )
            | ( element @ SV61 @ SY107 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[350]) ).

thf(393,plain,
    ! [SV62: $i] :
      ( ( ! [SY108: $i,SY109: $i] :
            ( ~ ( element @ SY108 @ ( powerset @ SY109 ) )
            | ~ ( in @ SV62 @ SY108 )
            | ~ ( empty @ SY109 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[351]) ).

thf(394,plain,
    ! [SV63: $i] :
      ( ( ~ ( empty @ SV63 )
        | ( SV63 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[352]) ).

thf(395,plain,
    ! [SV64: $i] :
      ( ( ! [SY110: $i] :
            ( ( SV64 = SY110 )
            | ~ ( empty @ SV64 )
            | ~ ( empty @ SY110 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[353]) ).

thf(396,plain,
    ! [SV65: $i] :
      ( ( ! [SY111: $i] :
            ( ~ ( in @ SV65 @ SY111 )
            | ~ ( in @ SY111 @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[354]) ).

thf(397,plain,
    ! [SV66: $i] :
      ( ( ! [SY112: $i] :
            ~ ( empty @ ( ordered_pair @ SV66 @ SY112 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[361]) ).

thf(398,plain,
    ( ( empty @ sK10_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[363]) ).

thf(399,plain,
    ! [SV67: $i] :
      ( ( ! [SY113: $i] :
            ( ~ ( in @ SV67 @ SY113 )
            | ( element @ SV67 @ SY113 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[364]) ).

thf(400,plain,
    ! [SV68: $i] :
      ( ( ! [SY114: $i] :
            ( ~ ( empty @ SY114 )
            | ~ ( in @ SV68 @ SY114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[365]) ).

thf(401,plain,
    ! [SV69: $i] :
      ( ( ! [SY115: $i] :
            ( ( ordered_pair @ SV69 @ SY115 )
            = ( unordered_pair @ ( unordered_pair @ SV69 @ SY115 ) @ ( singleton @ SV69 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[366]) ).

thf(402,plain,
    ! [SV70: $i] :
      ( ( ! [SY116: $i,SY117: $i] :
            ( ~ ( in @ ( ordered_pair @ SV70 @ SY116 ) @ sK1_A )
            | ~ ( in @ ( ordered_pair @ SV70 @ SY117 ) @ sK1_A )
            | ( SY116 = SY117 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[369]) ).

thf(403,plain,
    ! [SV71: $i] :
      ( ( ( ( ordered_pair @ ( sK2_C @ SV71 ) @ ( sK3_SY66 @ SV71 ) )
          = SV71 )
        | ~ ( in @ SV71 @ sK1_A ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[370]) ).

thf(404,plain,
    ( ( function @ sK1_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[371]) ).

thf(405,plain,
    ( ( ~ ( relation @ sK12_A )
      | ~ ( relation_empty_yielding @ sK12_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[372]) ).

thf(406,plain,
    ( ( ~ ( empty @ sK14_A )
      | ~ ( relation @ sK14_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[373]) ).

thf(407,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
                | ~ ( ( ( sK8_SY70 @ SX0 )
                     != ( sK9_SY72 @ SX0 ) ) ) )
            | ( function @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
                | ( SX2 = SX3 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[374]) ).

thf(408,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[375]) ).

thf(409,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK6_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[376]) ).

thf(410,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) )
      | ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[377]) ).

thf(411,plain,
    ! [SV72: $i] :
      ( ( ( empty @ SV72 )
        | ~ ( ~ ( element @ ( sK16_B @ SV72 ) @ ( powerset @ SV72 ) )
            | ~ ~ ( empty @ ( sK16_B @ SV72 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[378]) ).

thf(412,plain,
    ( ( ~ ( function @ sK17_A )
      | ~ ( relation @ sK17_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[379]) ).

thf(413,plain,
    ( ( ~ ~ ( empty @ sK13_A )
      | ~ ( relation @ sK13_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[380]) ).

thf(414,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)],[381]) ).

thf(415,plain,
    ! [SV73: $i] :
      ( ( ~ ( ~ ( element @ ( sK15_B @ SV73 ) @ ( powerset @ SV73 ) )
            | ~ ( empty @ ( sK15_B @ SV73 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[382]) ).

thf(416,plain,
    ! [SV74: $i,SV53: $i] :
      ( ( ( unordered_pair @ SV53 @ SV74 )
        = ( unordered_pair @ SV74 @ SV53 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[384]) ).

thf(417,plain,
    ! [SV55: $i] :
      ( ( ( ~ ( empty @ SV55 ) )
        = $true )
      | ( ( function @ SV55 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[386]) ).

thf(418,plain,
    ! [SV56: $i] :
      ( ( empty @ ( powerset @ SV56 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[387]) ).

thf(419,plain,
    ! [SV57: $i] :
      ( ( empty @ ( singleton @ SV57 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[388]) ).

thf(420,plain,
    ! [SV75: $i,SV58: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV58 @ SV75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[389]) ).

thf(421,plain,
    ! [SV59: $i] :
      ( ( ( ~ ( empty @ SV59 ) )
        = $true )
      | ( ( relation @ SV59 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[390]) ).

thf(422,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ~ ( element @ SV60 @ SV76 )
        | ( empty @ SV76 )
        | ( in @ SV60 @ SV76 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[391]) ).

thf(423,plain,
    ! [SV61: $i,SV77: $i] :
      ( ( ! [SY118: $i] :
            ( ~ ( element @ SV77 @ ( powerset @ SY118 ) )
            | ~ ( in @ SV61 @ SV77 )
            | ( element @ SV61 @ SY118 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[392]) ).

thf(424,plain,
    ! [SV62: $i,SV78: $i] :
      ( ( ! [SY119: $i] :
            ( ~ ( element @ SV78 @ ( powerset @ SY119 ) )
            | ~ ( in @ SV62 @ SV78 )
            | ~ ( empty @ SY119 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[393]) ).

thf(425,plain,
    ! [SV63: $i] :
      ( ( ( ~ ( empty @ SV63 ) )
        = $true )
      | ( ( SV63 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[394]) ).

thf(426,plain,
    ! [SV79: $i,SV64: $i] :
      ( ( ( SV64 = SV79 )
        | ~ ( empty @ SV64 )
        | ~ ( empty @ SV79 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[395]) ).

thf(427,plain,
    ! [SV80: $i,SV65: $i] :
      ( ( ~ ( in @ SV65 @ SV80 )
        | ~ ( in @ SV80 @ SV65 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[396]) ).

thf(428,plain,
    ! [SV81: $i,SV66: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV66 @ SV81 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[397]) ).

thf(429,plain,
    ! [SV82: $i,SV67: $i] :
      ( ( ~ ( in @ SV67 @ SV82 )
        | ( element @ SV67 @ SV82 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[399]) ).

thf(430,plain,
    ! [SV68: $i,SV83: $i] :
      ( ( ~ ( empty @ SV83 )
        | ~ ( in @ SV68 @ SV83 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[400]) ).

thf(431,plain,
    ! [SV84: $i,SV69: $i] :
      ( ( ( ordered_pair @ SV69 @ SV84 )
        = ( unordered_pair @ ( unordered_pair @ SV69 @ SV84 ) @ ( singleton @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[401]) ).

thf(432,plain,
    ! [SV85: $i,SV70: $i] :
      ( ( ! [SY120: $i] :
            ( ~ ( in @ ( ordered_pair @ SV70 @ SV85 ) @ sK1_A )
            | ~ ( in @ ( ordered_pair @ SV70 @ SY120 ) @ sK1_A )
            | ( SV85 = SY120 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[402]) ).

thf(433,plain,
    ! [SV71: $i] :
      ( ( ( ( ordered_pair @ ( sK2_C @ SV71 ) @ ( sK3_SY66 @ SV71 ) )
          = SV71 )
        = $true )
      | ( ( ~ ( in @ SV71 @ sK1_A ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[403]) ).

thf(434,plain,
    ( ( ~ ( relation @ sK12_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[405]) ).

thf(435,plain,
    ( ( ~ ( relation_empty_yielding @ sK12_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[405]) ).

thf(436,plain,
    ( ( ~ ( empty @ sK14_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[406]) ).

thf(437,plain,
    ( ( ~ ( relation @ sK14_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[406]) ).

thf(438,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                      | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
                | ~ ( ( ( sK8_SY70 @ SX0 )
                     != ( sK9_SY72 @ SX0 ) ) ) )
            | ( function @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[407]) ).

thf(439,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( function @ SX0 )
            | ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
                | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
                | ( SX2 = SX3 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[407]) ).

thf(440,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[408]) ).

thf(441,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[408]) ).

thf(442,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ( ( sK6_B @ SX0 )
                     != ( ordered_pair @ SX1 @ SX2 ) )
                | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
            | ( relation @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[409]) ).

thf(443,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( relation @ SX0 )
            | ! [SX1: $i] :
                ( ( SX1
                  = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
                | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[409]) ).

thf(444,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[410]) ).

thf(445,plain,
    ( ( ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[410]) ).

thf(446,plain,
    ! [SV72: $i] :
      ( ( ( empty @ SV72 )
        = $true )
      | ( ( ~ ( ~ ( element @ ( sK16_B @ SV72 ) @ ( powerset @ SV72 ) )
              | ~ ~ ( empty @ ( sK16_B @ SV72 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[411]) ).

thf(447,plain,
    ( ( ~ ( function @ sK17_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[412]) ).

thf(448,plain,
    ( ( ~ ( relation @ sK17_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[412]) ).

thf(449,plain,
    ( ( ~ ~ ( empty @ sK13_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[413]) ).

thf(450,plain,
    ( ( ~ ( relation @ sK13_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[413]) ).

thf(451,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[414]) ).

thf(452,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[414]) ).

thf(453,plain,
    ! [SV73: $i] :
      ( ( ~ ( element @ ( sK15_B @ SV73 ) @ ( powerset @ SV73 ) )
        | ~ ( empty @ ( sK15_B @ SV73 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[415]) ).

thf(454,plain,
    ! [SV55: $i] :
      ( ( ( empty @ SV55 )
        = $false )
      | ( ( function @ SV55 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[417]) ).

thf(455,plain,
    ! [SV75: $i,SV58: $i] :
      ( ( empty @ ( unordered_pair @ SV58 @ SV75 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[420]) ).

thf(456,plain,
    ! [SV59: $i] :
      ( ( ( empty @ SV59 )
        = $false )
      | ( ( relation @ SV59 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[421]) ).

thf(457,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( ~ ( element @ SV60 @ SV76 ) )
        = $true )
      | ( ( ( empty @ SV76 )
          | ( in @ SV60 @ SV76 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[422]) ).

thf(458,plain,
    ! [SV61: $i,SV86: $i,SV77: $i] :
      ( ( ~ ( element @ SV77 @ ( powerset @ SV86 ) )
        | ~ ( in @ SV61 @ SV77 )
        | ( element @ SV61 @ SV86 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[423]) ).

thf(459,plain,
    ! [SV62: $i,SV87: $i,SV78: $i] :
      ( ( ~ ( element @ SV78 @ ( powerset @ SV87 ) )
        | ~ ( in @ SV62 @ SV78 )
        | ~ ( empty @ SV87 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[424]) ).

thf(460,plain,
    ! [SV63: $i] :
      ( ( ( empty @ SV63 )
        = $false )
      | ( ( SV63 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[425]) ).

thf(461,plain,
    ! [SV79: $i,SV64: $i] :
      ( ( ( ( SV64 = SV79 )
          | ~ ( empty @ SV64 ) )
        = $true )
      | ( ( ~ ( empty @ SV79 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[426]) ).

thf(462,plain,
    ! [SV80: $i,SV65: $i] :
      ( ( ( ~ ( in @ SV65 @ SV80 ) )
        = $true )
      | ( ( ~ ( in @ SV80 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[427]) ).

thf(463,plain,
    ! [SV81: $i,SV66: $i] :
      ( ( empty @ ( ordered_pair @ SV66 @ SV81 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[428]) ).

thf(464,plain,
    ! [SV82: $i,SV67: $i] :
      ( ( ( ~ ( in @ SV67 @ SV82 ) )
        = $true )
      | ( ( element @ SV67 @ SV82 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[429]) ).

thf(465,plain,
    ! [SV68: $i,SV83: $i] :
      ( ( ( ~ ( empty @ SV83 ) )
        = $true )
      | ( ( ~ ( in @ SV68 @ SV83 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[430]) ).

thf(466,plain,
    ! [SV88: $i,SV85: $i,SV70: $i] :
      ( ( ~ ( in @ ( ordered_pair @ SV70 @ SV85 ) @ sK1_A )
        | ~ ( in @ ( ordered_pair @ SV70 @ SV88 ) @ sK1_A )
        | ( SV85 = SV88 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[432]) ).

thf(467,plain,
    ! [SV71: $i] :
      ( ( ( in @ SV71 @ sK1_A )
        = $false )
      | ( ( ( ordered_pair @ ( sK2_C @ SV71 ) @ ( sK3_SY66 @ SV71 ) )
          = SV71 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[433]) ).

thf(468,plain,
    ( ( relation @ sK12_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[434]) ).

thf(469,plain,
    ( ( relation_empty_yielding @ sK12_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[435]) ).

thf(470,plain,
    ( ( empty @ sK14_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[436]) ).

thf(471,plain,
    ( ( relation @ sK14_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[437]) ).

thf(472,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK8_SY70 @ SX0 ) ) @ SX0 )
                    | ~ ( in @ ( ordered_pair @ ( sK7_B @ SX0 ) @ ( sK9_SY72 @ SX0 ) ) @ SX0 ) )
              | ~ ( ( ( sK8_SY70 @ SX0 )
                   != ( sK9_SY72 @ SX0 ) ) ) )
          | ( function @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[438]) ).

thf(473,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( function @ SX0 )
          | ! [SX1: $i,SX2: $i,SX3: $i] :
              ( ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
              | ~ ( in @ ( ordered_pair @ SX1 @ SX3 ) @ SX0 )
              | ( SX2 = SX3 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[439]) ).

thf(474,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[440]) ).

thf(475,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[441]) ).

thf(476,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ( sK6_B @ SX0 )
                   != ( ordered_pair @ SX1 @ SX2 ) )
              | ~ ( in @ ( sK6_B @ SX0 ) @ SX0 ) )
          | ( relation @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[442]) ).

thf(477,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ! [SX1: $i] :
              ( ( SX1
                = ( ordered_pair @ ( sK4_C @ SX1 @ SX0 ) @ ( sK5_SY67 @ SX1 @ SX0 ) ) )
              | ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[443]) ).

thf(478,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[444]) ).

thf(479,plain,
    ( ( relation_empty_yielding @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[445]) ).

thf(480,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( element @ ( sK16_B @ SV72 ) @ ( powerset @ SV72 ) )
          | ~ ~ ( empty @ ( sK16_B @ SV72 ) ) )
        = $false )
      | ( ( empty @ SV72 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[446]) ).

thf(481,plain,
    ( ( function @ sK17_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[447]) ).

thf(482,plain,
    ( ( relation @ sK17_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[448]) ).

thf(483,plain,
    ( ( ~ ( empty @ sK13_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[449]) ).

thf(484,plain,
    ( ( relation @ sK13_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[450]) ).

thf(485,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[451]) ).

thf(486,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[452]) ).

thf(487,plain,
    ! [SV73: $i] :
      ( ( ~ ( element @ ( sK15_B @ SV73 ) @ ( powerset @ SV73 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[453]) ).

thf(488,plain,
    ! [SV73: $i] :
      ( ( ~ ( empty @ ( sK15_B @ SV73 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[453]) ).

thf(489,plain,
    ! [SV76: $i,SV60: $i] :
      ( ( ( element @ SV60 @ SV76 )
        = $false )
      | ( ( ( empty @ SV76 )
          | ( in @ SV60 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[457]) ).

thf(490,plain,
    ! [SV61: $i,SV86: $i,SV77: $i] :
      ( ( ( ~ ( element @ SV77 @ ( powerset @ SV86 ) )
          | ~ ( in @ SV61 @ SV77 ) )
        = $true )
      | ( ( element @ SV61 @ SV86 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[458]) ).

thf(491,plain,
    ! [SV62: $i,SV87: $i,SV78: $i] :
      ( ( ( ~ ( element @ SV78 @ ( powerset @ SV87 ) )
          | ~ ( in @ SV62 @ SV78 ) )
        = $true )
      | ( ( ~ ( empty @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[459]) ).

thf(492,plain,
    ! [SV79: $i,SV64: $i] :
      ( ( ( SV64 = SV79 )
        = $true )
      | ( ( ~ ( empty @ SV64 ) )
        = $true )
      | ( ( ~ ( empty @ SV79 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[461]) ).

thf(493,plain,
    ! [SV80: $i,SV65: $i] :
      ( ( ( in @ SV65 @ SV80 )
        = $false )
      | ( ( ~ ( in @ SV80 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[462]) ).

thf(494,plain,
    ! [SV82: $i,SV67: $i] :
      ( ( ( in @ SV67 @ SV82 )
        = $false )
      | ( ( element @ SV67 @ SV82 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[464]) ).

thf(495,plain,
    ! [SV68: $i,SV83: $i] :
      ( ( ( empty @ SV83 )
        = $false )
      | ( ( ~ ( in @ SV68 @ SV83 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[465]) ).

thf(496,plain,
    ! [SV88: $i,SV85: $i,SV70: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV70 @ SV85 ) @ sK1_A )
          | ~ ( in @ ( ordered_pair @ SV70 @ SV88 ) @ sK1_A ) )
        = $true )
      | ( ( SV85 = SV88 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[466]) ).

thf(497,plain,
    ! [SV89: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
                  | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) )
            | ~ ( ( ( sK8_SY70 @ SV89 )
                 != ( sK9_SY72 @ SV89 ) ) ) )
        | ( function @ SV89 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[472]) ).

thf(498,plain,
    ! [SV90: $i] :
      ( ( ~ ( function @ SV90 )
        | ! [SY121: $i,SY122: $i,SY123: $i] :
            ( ~ ( in @ ( ordered_pair @ SY121 @ SY122 ) @ SV90 )
            | ~ ( in @ ( ordered_pair @ SY121 @ SY123 ) @ SV90 )
            | ( SY122 = SY123 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[473]) ).

thf(499,plain,
    ! [SV91: $i] :
      ( ( ~ ( ~ ! [SY124: $i,SY125: $i] :
                  ( ( sK6_B @ SV91 )
                 != ( ordered_pair @ SY124 @ SY125 ) )
            | ~ ( in @ ( sK6_B @ SV91 ) @ SV91 ) )
        | ( relation @ SV91 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[476]) ).

thf(500,plain,
    ! [SV92: $i] :
      ( ( ~ ( relation @ SV92 )
        | ! [SY126: $i] :
            ( ( SY126
              = ( ordered_pair @ ( sK4_C @ SY126 @ SV92 ) @ ( sK5_SY67 @ SY126 @ SV92 ) ) )
            | ~ ( in @ SY126 @ SV92 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[477]) ).

thf(501,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[478]) ).

thf(502,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( element @ ( sK16_B @ SV72 ) @ ( powerset @ SV72 ) ) )
        = $false )
      | ( ( empty @ SV72 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[480]) ).

thf(503,plain,
    ! [SV72: $i] :
      ( ( ( ~ ~ ( empty @ ( sK16_B @ SV72 ) ) )
        = $false )
      | ( ( empty @ SV72 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[480]) ).

thf(504,plain,
    ( ( empty @ sK13_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[483]) ).

thf(505,plain,
    ! [SV93: $i] :
      ( ( ! [SY127: $i] :
            ( ~ ( element @ SV93 @ ( powerset @ SY127 ) )
            | ( subset @ SV93 @ SY127 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[485]) ).

thf(506,plain,
    ! [SV94: $i] :
      ( ( ! [SY128: $i] :
            ( ~ ( subset @ SV94 @ SY128 )
            | ( element @ SV94 @ ( powerset @ SY128 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[486]) ).

thf(507,plain,
    ! [SV73: $i] :
      ( ( element @ ( sK15_B @ SV73 ) @ ( powerset @ SV73 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[487]) ).

thf(508,plain,
    ! [SV73: $i] :
      ( ( empty @ ( sK15_B @ SV73 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[488]) ).

thf(509,plain,
    ! [SV60: $i,SV76: $i] :
      ( ( ( empty @ SV76 )
        = $true )
      | ( ( in @ SV60 @ SV76 )
        = $true )
      | ( ( element @ SV60 @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[489]) ).

thf(510,plain,
    ! [SV61: $i,SV86: $i,SV77: $i] :
      ( ( ( ~ ( element @ SV77 @ ( powerset @ SV86 ) ) )
        = $true )
      | ( ( ~ ( in @ SV61 @ SV77 ) )
        = $true )
      | ( ( element @ SV61 @ SV86 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[490]) ).

thf(511,plain,
    ! [SV62: $i,SV87: $i,SV78: $i] :
      ( ( ( ~ ( element @ SV78 @ ( powerset @ SV87 ) ) )
        = $true )
      | ( ( ~ ( in @ SV62 @ SV78 ) )
        = $true )
      | ( ( ~ ( empty @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[491]) ).

thf(512,plain,
    ! [SV79: $i,SV64: $i] :
      ( ( ( empty @ SV64 )
        = $false )
      | ( ( SV64 = SV79 )
        = $true )
      | ( ( ~ ( empty @ SV79 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[492]) ).

thf(513,plain,
    ! [SV65: $i,SV80: $i] :
      ( ( ( in @ SV80 @ SV65 )
        = $false )
      | ( ( in @ SV65 @ SV80 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[493]) ).

thf(514,plain,
    ! [SV83: $i,SV68: $i] :
      ( ( ( in @ SV68 @ SV83 )
        = $false )
      | ( ( empty @ SV83 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[495]) ).

thf(515,plain,
    ! [SV88: $i,SV85: $i,SV70: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV70 @ SV85 ) @ sK1_A ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV70 @ SV88 ) @ sK1_A ) )
        = $true )
      | ( ( SV85 = SV88 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[496]) ).

thf(516,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
                    | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) )
              | ~ ( ( ( sK8_SY70 @ SV89 )
                   != ( sK9_SY72 @ SV89 ) ) ) ) )
        = $true )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[497]) ).

thf(517,plain,
    ! [SV90: $i] :
      ( ( ( ~ ( function @ SV90 ) )
        = $true )
      | ( ( ! [SY121: $i,SY122: $i,SY123: $i] :
              ( ~ ( in @ ( ordered_pair @ SY121 @ SY122 ) @ SV90 )
              | ~ ( in @ ( ordered_pair @ SY121 @ SY123 ) @ SV90 )
              | ( SY122 = SY123 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[498]) ).

thf(518,plain,
    ! [SV91: $i] :
      ( ( ( ~ ( ~ ! [SY124: $i,SY125: $i] :
                    ( ( sK6_B @ SV91 )
                   != ( ordered_pair @ SY124 @ SY125 ) )
              | ~ ( in @ ( sK6_B @ SV91 ) @ SV91 ) ) )
        = $true )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[499]) ).

thf(519,plain,
    ! [SV92: $i] :
      ( ( ( ~ ( relation @ SV92 ) )
        = $true )
      | ( ( ! [SY126: $i] :
              ( ( SY126
                = ( ordered_pair @ ( sK4_C @ SY126 @ SV92 ) @ ( sK5_SY67 @ SY126 @ SV92 ) ) )
              | ~ ( in @ SY126 @ SV92 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[500]) ).

thf(520,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[501]) ).

thf(521,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[501]) ).

thf(522,plain,
    ! [SV72: $i] :
      ( ( ( element @ ( sK16_B @ SV72 ) @ ( powerset @ SV72 ) )
        = $true )
      | ( ( empty @ SV72 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[502]) ).

thf(523,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( empty @ ( sK16_B @ SV72 ) ) )
        = $true )
      | ( ( empty @ SV72 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[503]) ).

thf(524,plain,
    ! [SV95: $i,SV93: $i] :
      ( ( ~ ( element @ SV93 @ ( powerset @ SV95 ) )
        | ( subset @ SV93 @ SV95 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[505]) ).

thf(525,plain,
    ! [SV96: $i,SV94: $i] :
      ( ( ~ ( subset @ SV94 @ SV96 )
        | ( element @ SV94 @ ( powerset @ SV96 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[506]) ).

thf(526,plain,
    ! [SV61: $i,SV86: $i,SV77: $i] :
      ( ( ( element @ SV77 @ ( powerset @ SV86 ) )
        = $false )
      | ( ( ~ ( in @ SV61 @ SV77 ) )
        = $true )
      | ( ( element @ SV61 @ SV86 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[510]) ).

thf(527,plain,
    ! [SV62: $i,SV87: $i,SV78: $i] :
      ( ( ( element @ SV78 @ ( powerset @ SV87 ) )
        = $false )
      | ( ( ~ ( in @ SV62 @ SV78 ) )
        = $true )
      | ( ( ~ ( empty @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[511]) ).

thf(528,plain,
    ! [SV64: $i,SV79: $i] :
      ( ( ( empty @ SV79 )
        = $false )
      | ( ( SV64 = SV79 )
        = $true )
      | ( ( empty @ SV64 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[512]) ).

thf(529,plain,
    ! [SV88: $i,SV85: $i,SV70: $i] :
      ( ( ( in @ ( ordered_pair @ SV70 @ SV85 ) @ sK1_A )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV70 @ SV88 ) @ sK1_A ) )
        = $true )
      | ( ( SV85 = SV88 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[515]) ).

thf(530,plain,
    ! [SV89: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
                | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) )
          | ~ ( ( ( sK8_SY70 @ SV89 )
               != ( sK9_SY72 @ SV89 ) ) ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[516]) ).

thf(531,plain,
    ! [SV90: $i] :
      ( ( ( function @ SV90 )
        = $false )
      | ( ( ! [SY121: $i,SY122: $i,SY123: $i] :
              ( ~ ( in @ ( ordered_pair @ SY121 @ SY122 ) @ SV90 )
              | ~ ( in @ ( ordered_pair @ SY121 @ SY123 ) @ SV90 )
              | ( SY122 = SY123 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[517]) ).

thf(532,plain,
    ! [SV91: $i] :
      ( ( ( ~ ! [SY124: $i,SY125: $i] :
                ( ( sK6_B @ SV91 )
               != ( ordered_pair @ SY124 @ SY125 ) )
          | ~ ( in @ ( sK6_B @ SV91 ) @ SV91 ) )
        = $false )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[518]) ).

thf(533,plain,
    ! [SV92: $i] :
      ( ( ( relation @ SV92 )
        = $false )
      | ( ( ! [SY126: $i] :
              ( ( SY126
                = ( ordered_pair @ ( sK4_C @ SY126 @ SV92 ) @ ( sK5_SY67 @ SY126 @ SV92 ) ) )
              | ~ ( in @ SY126 @ SV92 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[519]) ).

thf(534,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[520]) ).

thf(535,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[521]) ).

thf(536,plain,
    ! [SV72: $i] :
      ( ( ( empty @ ( sK16_B @ SV72 ) )
        = $false )
      | ( ( empty @ SV72 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[523]) ).

thf(537,plain,
    ! [SV95: $i,SV93: $i] :
      ( ( ( ~ ( element @ SV93 @ ( powerset @ SV95 ) ) )
        = $true )
      | ( ( subset @ SV93 @ SV95 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[524]) ).

thf(538,plain,
    ! [SV96: $i,SV94: $i] :
      ( ( ( ~ ( subset @ SV94 @ SV96 ) )
        = $true )
      | ( ( element @ SV94 @ ( powerset @ SV96 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[525]) ).

thf(539,plain,
    ! [SV86: $i,SV77: $i,SV61: $i] :
      ( ( ( in @ SV61 @ SV77 )
        = $false )
      | ( ( element @ SV77 @ ( powerset @ SV86 ) )
        = $false )
      | ( ( element @ SV61 @ SV86 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[526]) ).

thf(540,plain,
    ! [SV87: $i,SV78: $i,SV62: $i] :
      ( ( ( in @ SV62 @ SV78 )
        = $false )
      | ( ( element @ SV78 @ ( powerset @ SV87 ) )
        = $false )
      | ( ( ~ ( empty @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[527]) ).

thf(541,plain,
    ! [SV85: $i,SV88: $i,SV70: $i] :
      ( ( ( in @ ( ordered_pair @ SV70 @ SV88 ) @ sK1_A )
        = $false )
      | ( ( in @ ( ordered_pair @ SV70 @ SV85 ) @ sK1_A )
        = $false )
      | ( ( SV85 = SV88 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[529]) ).

thf(542,plain,
    ! [SV89: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
                | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[530]) ).

thf(543,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( ( ( sK8_SY70 @ SV89 )
               != ( sK9_SY72 @ SV89 ) ) ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[530]) ).

thf(544,plain,
    ! [SV90: $i,SV97: $i] :
      ( ( ( ! [SY129: $i,SY130: $i] :
              ( ~ ( in @ ( ordered_pair @ SV97 @ SY129 ) @ SV90 )
              | ~ ( in @ ( ordered_pair @ SV97 @ SY130 ) @ SV90 )
              | ( SY129 = SY130 ) ) )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[531]) ).

thf(545,plain,
    ! [SV91: $i] :
      ( ( ( ~ ! [SY124: $i,SY125: $i] :
                ( ( sK6_B @ SV91 )
               != ( ordered_pair @ SY124 @ SY125 ) ) )
        = $false )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[532]) ).

thf(546,plain,
    ! [SV91: $i] :
      ( ( ( ~ ( in @ ( sK6_B @ SV91 ) @ SV91 ) )
        = $false )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[532]) ).

thf(547,plain,
    ! [SV92: $i,SV98: $i] :
      ( ( ( ( SV98
            = ( ordered_pair @ ( sK4_C @ SV98 @ SV92 ) @ ( sK5_SY67 @ SV98 @ SV92 ) ) )
          | ~ ( in @ SV98 @ SV92 ) )
        = $true )
      | ( ( relation @ SV92 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[533]) ).

thf(548,plain,
    ! [SV95: $i,SV93: $i] :
      ( ( ( element @ SV93 @ ( powerset @ SV95 ) )
        = $false )
      | ( ( subset @ SV93 @ SV95 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[537]) ).

thf(549,plain,
    ! [SV96: $i,SV94: $i] :
      ( ( ( subset @ SV94 @ SV96 )
        = $false )
      | ( ( element @ SV94 @ ( powerset @ SV96 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[538]) ).

thf(550,plain,
    ! [SV62: $i,SV78: $i,SV87: $i] :
      ( ( ( empty @ SV87 )
        = $false )
      | ( ( element @ SV78 @ ( powerset @ SV87 ) )
        = $false )
      | ( ( in @ SV62 @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[540]) ).

thf(551,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
              | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) ) )
        = $true )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[542]) ).

thf(552,plain,
    ! [SV89: $i] :
      ( ( ( ( ( sK8_SY70 @ SV89 )
           != ( sK9_SY72 @ SV89 ) ) )
        = $true )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[543]) ).

thf(553,plain,
    ! [SV90: $i,SV99: $i,SV97: $i] :
      ( ( ( ! [SY131: $i] :
              ( ~ ( in @ ( ordered_pair @ SV97 @ SV99 ) @ SV90 )
              | ~ ( in @ ( ordered_pair @ SV97 @ SY131 ) @ SV90 )
              | ( SV99 = SY131 ) ) )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[544]) ).

thf(554,plain,
    ! [SV91: $i] :
      ( ( ( ! [SY124: $i,SY125: $i] :
              ( ( sK6_B @ SV91 )
             != ( ordered_pair @ SY124 @ SY125 ) ) )
        = $true )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[545]) ).

thf(555,plain,
    ! [SV91: $i] :
      ( ( ( in @ ( sK6_B @ SV91 ) @ SV91 )
        = $true )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[546]) ).

thf(556,plain,
    ! [SV92: $i,SV98: $i] :
      ( ( ( SV98
          = ( ordered_pair @ ( sK4_C @ SV98 @ SV92 ) @ ( sK5_SY67 @ SV98 @ SV92 ) ) )
        = $true )
      | ( ( ~ ( in @ SV98 @ SV92 ) )
        = $true )
      | ( ( relation @ SV92 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[547]) ).

thf(557,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
          | ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[551]) ).

thf(558,plain,
    ! [SV89: $i] :
      ( ( ( ( sK8_SY70 @ SV89 )
          = ( sK9_SY72 @ SV89 ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[552]) ).

thf(559,plain,
    ! [SV100: $i,SV90: $i,SV99: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV97 @ SV99 ) @ SV90 )
          | ~ ( in @ ( ordered_pair @ SV97 @ SV100 ) @ SV90 )
          | ( SV99 = SV100 ) )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[553]) ).

thf(560,plain,
    ! [SV101: $i,SV91: $i] :
      ( ( ( ! [SY132: $i] :
              ( ( sK6_B @ SV91 )
             != ( ordered_pair @ SV101 @ SY132 ) ) )
        = $true )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[554]) ).

thf(561,plain,
    ! [SV92: $i,SV98: $i] :
      ( ( ( in @ SV98 @ SV92 )
        = $false )
      | ( ( SV98
          = ( ordered_pair @ ( sK4_C @ SV98 @ SV92 ) @ ( sK5_SY67 @ SV98 @ SV92 ) ) )
        = $true )
      | ( ( relation @ SV92 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[556]) ).

thf(562,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[557]) ).

thf(563,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 ) )
        = $false )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[557]) ).

thf(564,plain,
    ! [SV100: $i,SV90: $i,SV99: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV97 @ SV99 ) @ SV90 )
          | ~ ( in @ ( ordered_pair @ SV97 @ SV100 ) @ SV90 ) )
        = $true )
      | ( ( SV99 = SV100 )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[559]) ).

thf(565,plain,
    ! [SV102: $i,SV101: $i,SV91: $i] :
      ( ( ( ( ( sK6_B @ SV91 )
           != ( ordered_pair @ SV101 @ SV102 ) ) )
        = $true )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[560]) ).

thf(566,plain,
    ! [SV89: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK8_SY70 @ SV89 ) ) @ SV89 )
        = $true )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[562]) ).

thf(567,plain,
    ! [SV89: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK7_B @ SV89 ) @ ( sK9_SY72 @ SV89 ) ) @ SV89 )
        = $true )
      | ( ( function @ SV89 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[563]) ).

thf(568,plain,
    ! [SV100: $i,SV90: $i,SV99: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV97 @ SV99 ) @ SV90 ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV97 @ SV100 ) @ SV90 ) )
        = $true )
      | ( ( SV99 = SV100 )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[564]) ).

thf(569,plain,
    ! [SV102: $i,SV101: $i,SV91: $i] :
      ( ( ( ( sK6_B @ SV91 )
          = ( ordered_pair @ SV101 @ SV102 ) )
        = $false )
      | ( ( relation @ SV91 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[565]) ).

thf(570,plain,
    ! [SV100: $i,SV90: $i,SV99: $i,SV97: $i] :
      ( ( ( in @ ( ordered_pair @ SV97 @ SV99 ) @ SV90 )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV97 @ SV100 ) @ SV90 ) )
        = $true )
      | ( ( SV99 = SV100 )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[568]) ).

thf(571,plain,
    ! [SV99: $i,SV90: $i,SV100: $i,SV97: $i] :
      ( ( ( in @ ( ordered_pair @ SV97 @ SV100 ) @ SV90 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV97 @ SV99 ) @ SV90 )
        = $false )
      | ( ( SV99 = SV100 )
        = $true )
      | ( ( function @ SV90 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[570]) ).

thf(572,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[340,571,569,567,566,561,558,555,550,549,548,541,539,536,535,534,528,522,514,513,509,508,507,504,494,484,482,481,479,475,474,471,470,469,468,467,463,460,456,455,454,431,419,418,416,404,398,385,383,362]) ).

thf(573,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[572,336]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET988+1 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jul 10 15:19:11 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.36  
% 0.13/0.36   No.of.Axioms: 32
% 0.13/0.36  
% 0.13/0.36   Length.of.Defs: 0
% 0.13/0.36  
% 0.13/0.36   Contains.Choice.Funs: false
% 0.13/0.36  .
% 0.13/0.37  (rf:0,axioms:32,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:34,loop_count:0,foatp_calls:0,translation:fof_full).....................
% 0.43/0.84  
% 0.43/0.84  ********************************
% 0.43/0.84  *   All subproblems solved!    *
% 0.43/0.84  ********************************
% 0.43/0.84  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:34,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:572,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.76/0.98  
% 0.76/0.98  %**** Beginning of derivation protocol ****
% 0.76/0.98  % SZS output start CNFRefutation
% See solution above
% 0.76/0.98  
% 0.76/0.98  %**** End of derivation protocol ****
% 0.76/0.98  %**** no. of clauses in derivation: 573 ****
% 0.76/0.98  %**** clause counter: 572 ****
% 0.76/0.98  
% 0.76/0.98  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:34,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:572,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------