TSTP Solution File: SET611+3 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET611+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n007.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 03:03:27 EDT 2022

% Result   : Theorem 31.99s 32.36s
% Output   : CNFRefutation 32.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   23
% Syntax   : Number of formulae    :  415 ( 247 unt;  12 typ;   0 def)
%            Number of atoms       : 2453 ( 819 equ;   0 cnn)
%            Maximal formula atoms :    3 (   6 avg)
%            Number of connectives : 4853 ( 972   ~; 806   |;  49   &;2997   @)
%                                         (  21 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (  16   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  12 usr;   5 con; 0-2 aty)
%            Number of variables   : 1109 (   0   ^1109   !;   0   ?;1109   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_difference,type,
    difference: $i > $i > $i ).

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

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

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

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

thf(tp_sK1_B,type,
    sK1_B: $i ).

thf(tp_sK2_SY25,type,
    sK2_SY25: $i ).

thf(tp_sK3_C,type,
    sK3_C: $i > $i ).

thf(tp_sK4_D,type,
    sK4_D: $i > $i > $i ).

thf(tp_sK5_D,type,
    sK5_D: $i > $i > $i ).

thf(tp_sK6_D,type,
    sK6_D: $i > $i > $i ).

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

thf(1,axiom,
    ! [B: $i] :
      ( ( empty @ B )
    <=> ! [C: $i] :
          ~ ( member @ C @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',empty_defn) ).

thf(2,axiom,
    ! [B: $i] : ( subset @ B @ B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_of_subset) ).

thf(3,axiom,
    ! [B: $i,C: $i] :
      ( ( subset @ B @ C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
         => ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset_defn) ).

thf(4,axiom,
    ! [B: $i,C: $i] :
      ( ( B = C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
        <=> ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equal_member_defn) ).

thf(5,axiom,
    ! [B: $i,C: $i] :
      ( ( intersection @ B @ C )
      = ( intersection @ C @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_of_intersection) ).

thf(6,axiom,
    ! [B: $i,C: $i] :
      ( ( B = C )
    <=> ( ( subset @ B @ C )
        & ( subset @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equal_defn) ).

thf(7,axiom,
    ! [B: $i] :
      ~ ( member @ B @ empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',empty_set_defn) ).

thf(8,axiom,
    ! [B: $i,C: $i,D: $i] :
      ( ( member @ D @ ( difference @ B @ C ) )
    <=> ( ( member @ D @ B )
        & ~ ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_defn) ).

thf(9,axiom,
    ! [B: $i,C: $i,D: $i] :
      ( ( member @ D @ ( intersection @ B @ C ) )
    <=> ( ( member @ D @ B )
        & ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection_defn) ).

thf(10,axiom,
    ! [B: $i,C: $i] :
      ( ! [D: $i] :
          ( ( member @ D @ B )
        <=> ( member @ D @ C ) )
     => ( B = C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',member_equal) ).

thf(11,conjecture,
    ! [B: $i,C: $i] :
      ( ( ( intersection @ B @ C )
        = empty_set )
    <=> ( ( difference @ B @ C )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th84) ).

thf(12,negated_conjecture,
    ( ( ! [B: $i,C: $i] :
          ( ( ( intersection @ B @ C )
            = empty_set )
        <=> ( ( difference @ B @ C )
            = B ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[11]) ).

thf(13,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( intersection @ B @ C )
            = empty_set )
        <=> ( ( difference @ B @ C )
            = B ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(14,plain,
    ( ( ! [B: $i] :
          ( ( empty @ B )
        <=> ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(15,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(16,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( subset @ B @ C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
             => ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(17,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
            <=> ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(18,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(19,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ( ( subset @ B @ C )
            & ( subset @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(20,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(21,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( member @ D @ ( difference @ B @ C ) )
        <=> ( ( member @ D @ B )
            & ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(22,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( member @ D @ ( intersection @ B @ C ) )
        <=> ( ( member @ D @ B )
            & ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(23,plain,
    ( ( ! [B: $i,C: $i] :
          ( ! [D: $i] :
              ( ( member @ D @ B )
            <=> ( member @ D @ C ) )
         => ( B = C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(24,plain,
    ( ( ! [SY25: $i] :
          ( ( ( intersection @ sK1_B @ SY25 )
            = empty_set )
        <=> ( ( difference @ sK1_B @ SY25 )
            = sK1_B ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[13]) ).

thf(25,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
        = empty_set )
    <=> ( ( difference @ sK1_B @ sK2_SY25 )
        = sK1_B ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[24]) ).

thf(26,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
        = empty_set )
     => ( ( difference @ sK1_B @ sK2_SY25 )
        = sK1_B ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[25]) ).

thf(27,plain,
    ( ( ( ( difference @ sK1_B @ sK2_SY25 )
        = sK1_B )
     => ( ( intersection @ sK1_B @ sK2_SY25 )
        = empty_set ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[25]) ).

thf(28,plain,
    ( ( ~ ( ( ( intersection @ sK1_B @ sK2_SY25 )
            = empty_set )
         => ( ( difference @ sK1_B @ sK2_SY25 )
            = sK1_B ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[26]) ).

thf(29,plain,
    ( ( ~ ( ( ( difference @ sK1_B @ sK2_SY25 )
            = sK1_B )
         => ( ( intersection @ sK1_B @ sK2_SY25 )
            = empty_set ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[27]) ).

thf(30,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
        = empty_set )
      & ( ( difference @ sK1_B @ sK2_SY25 )
       != sK1_B ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[28]) ).

thf(31,plain,
    ( ( ( ( difference @ sK1_B @ sK2_SY25 )
        = sK1_B )
      & ( ( intersection @ sK1_B @ sK2_SY25 )
       != empty_set ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[29]) ).

thf(32,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK3_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[14]) ).

thf(33,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK4_D @ C @ B ) @ B )
            & ~ ( member @ ( sK4_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[16]) ).

thf(34,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK5_D @ C @ B ) @ B )
              | ~ ( member @ ( sK5_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK5_D @ C @ B ) @ B )
              | ( member @ ( sK5_D @ C @ B ) @ C ) ) )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( ! [D: $i] :
                ( ~ ( member @ D @ B )
                | ( member @ D @ C ) )
            & ! [D: $i] :
                ( ~ ( member @ D @ C )
                | ( member @ D @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[17]) ).

thf(35,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ~ ( subset @ C @ B )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[19]) ).

thf(36,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C )
              | ( member @ D @ ( difference @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[21]) ).

thf(37,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ~ ( member @ D @ C )
              | ( member @ D @ ( intersection @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( intersection @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( intersection @ B @ C ) )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[22]) ).

thf(38,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK6_D @ C @ B ) @ B )
              | ~ ( member @ ( sK6_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK6_D @ C @ B ) @ B )
              | ( member @ ( sK6_D @ C @ B ) @ C ) ) )
          | ( B = C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[23]) ).

thf(39,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK6_D @ C @ B ) @ B )
              | ~ ( member @ ( sK6_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK6_D @ C @ B ) @ B )
              | ( member @ ( sK6_D @ C @ B ) @ C ) ) )
          | ( B = C ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(40,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ~ ( member @ D @ C )
              | ( member @ D @ ( intersection @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( intersection @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( intersection @ B @ C ) )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(41,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C )
              | ( member @ D @ ( difference @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(42,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[20]) ).

thf(43,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ~ ( subset @ C @ B )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(44,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[18]) ).

thf(45,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK5_D @ C @ B ) @ B )
              | ~ ( member @ ( sK5_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK5_D @ C @ B ) @ B )
              | ( member @ ( sK5_D @ C @ B ) @ C ) ) )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( ! [D: $i] :
                ( ~ ( member @ D @ B )
                | ( member @ D @ C ) )
            & ! [D: $i] :
                ( ~ ( member @ D @ C )
                | ( member @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[34]) ).

thf(46,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK4_D @ C @ B ) @ B )
            & ~ ( member @ ( sK4_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(47,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(48,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK3_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(49,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
        = empty_set )
      & ( ( difference @ sK1_B @ sK2_SY25 )
       != sK1_B ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(50,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(51,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(52,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(53,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ SX0 )
                  | ( member @ SX2 @ SX1 )
                  | ( member @ SX2 @ ( difference @ SX0 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( difference @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX0 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( difference @ SX0 @ SX1 ) )
                        | ~ ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(54,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                        | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX0 = SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( member @ SX2 @ SX0 )
                          | ( member @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( member @ SX2 @ SX1 )
                          | ( member @ SX2 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(55,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
                | ( empty @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ! [SX1: $i] :
                    ~ ( member @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(56,plain,
    ( ( ~ ( ( ( intersection @ sK1_B @ sK2_SY25 )
           != empty_set )
          | ~ ( ( ( difference @ sK1_B @ sK2_SY25 )
               != sK1_B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(57,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ SX0 )
                  | ~ ( member @ SX2 @ SX1 )
                  | ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX0 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(58,plain,
    ! [SV1: $i] :
      ( ( ~ ( member @ SV1 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[42]) ).

thf(59,plain,
    ! [SV2: $i] :
      ( ( ! [SY26: $i] :
            ( ( intersection @ SV2 @ SY26 )
            = ( intersection @ SY26 @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[44]) ).

thf(60,plain,
    ! [SV3: $i] :
      ( ( subset @ SV3 @ SV3 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[47]) ).

thf(61,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(62,plain,
    ! [SV4: $i] :
      ( ( ! [SY27: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SY27 @ SV4 ) @ SV4 )
                    | ~ ( member @ ( sK6_D @ SY27 @ SV4 ) @ SY27 ) )
                | ~ ( ( member @ ( sK6_D @ SY27 @ SV4 ) @ SV4 )
                    | ( member @ ( sK6_D @ SY27 @ SV4 ) @ SY27 ) ) )
            | ( SV4 = SY27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[51]) ).

thf(63,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[52]) ).

thf(64,plain,
    ! [SV5: $i] :
      ( ( ~ ( ~ ! [SY28: $i,SY29: $i] :
                  ( ~ ( member @ SY29 @ SV5 )
                  | ( member @ SY29 @ SY28 )
                  | ( member @ SY29 @ ( difference @ SV5 @ SY28 ) ) )
            | ~ ~ ( ~ ! [SY30: $i,SY31: $i] :
                        ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
                        | ( member @ SY31 @ SV5 ) )
                  | ~ ! [SY32: $i,SY33: $i] :
                        ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
                        | ~ ( member @ SY33 @ SY32 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[53]) ).

thf(65,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX1 )
                      | ( member @ SX2 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[54]) ).

thf(66,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(67,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
       != empty_set )
      | ~ ( ( ( difference @ sK1_B @ sK2_SY25 )
           != sK1_B ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(68,plain,
    ! [SV6: $i] :
      ( ( ~ ( ~ ! [SY34: $i,SY35: $i] :
                  ( ~ ( member @ SY35 @ SV6 )
                  | ~ ( member @ SY35 @ SY34 )
                  | ( member @ SY35 @ ( intersection @ SV6 @ SY34 ) ) )
            | ~ ~ ( ~ ! [SY36: $i,SY37: $i] :
                        ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
                        | ( member @ SY37 @ SV6 ) )
                  | ~ ! [SY38: $i,SY39: $i] :
                        ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
                        | ( member @ SY39 @ SY38 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[57]) ).

thf(69,plain,
    ! [SV1: $i] :
      ( ( member @ SV1 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[58]) ).

thf(70,plain,
    ! [SV7: $i,SV2: $i] :
      ( ( ( intersection @ SV2 @ SV7 )
        = ( intersection @ SV7 @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[59]) ).

thf(71,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[61]) ).

thf(72,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[61]) ).

thf(73,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
                | ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
            | ~ ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
                | ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) ) )
        | ( SV4 = SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[62]) ).

thf(74,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(75,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(76,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY28: $i,SY29: $i] :
              ( ~ ( member @ SY29 @ SV5 )
              | ( member @ SY29 @ SY28 )
              | ( member @ SY29 @ ( difference @ SV5 @ SY28 ) ) )
        | ~ ~ ( ~ ! [SY30: $i,SY31: $i] :
                    ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
                    | ( member @ SY31 @ SV5 ) )
              | ~ ! [SY32: $i,SY33: $i] :
                    ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
                    | ~ ( member @ SY33 @ SY32 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[64]) ).

thf(77,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[65]) ).

thf(78,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX1 )
                      | ( member @ SX2 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[65]) ).

thf(79,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[66]) ).

thf(80,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[66]) ).

thf(81,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
       != empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[67]) ).

thf(82,plain,
    ( ( ~ ( ( ( difference @ sK1_B @ sK2_SY25 )
           != sK1_B ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[67]) ).

thf(83,plain,
    ! [SV6: $i] :
      ( ( ~ ! [SY34: $i,SY35: $i] :
              ( ~ ( member @ SY35 @ SV6 )
              | ~ ( member @ SY35 @ SY34 )
              | ( member @ SY35 @ ( intersection @ SV6 @ SY34 ) ) )
        | ~ ~ ( ~ ! [SY36: $i,SY37: $i] :
                    ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
                    | ( member @ SY37 @ SV6 ) )
              | ~ ! [SY38: $i,SY39: $i] :
                    ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
                    | ( member @ SY39 @ SY38 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[68]) ).

thf(84,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[71]) ).

thf(85,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[72]) ).

thf(86,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
                  | ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
              | ~ ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
                  | ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) ) ) )
        = $true )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[73]) ).

thf(87,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[74]) ).

thf(88,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[75]) ).

thf(89,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY28: $i,SY29: $i] :
              ( ~ ( member @ SY29 @ SV5 )
              | ( member @ SY29 @ SY28 )
              | ( member @ SY29 @ ( difference @ SV5 @ SY28 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[76]) ).

thf(90,plain,
    ! [SV5: $i] :
      ( ( ~ ~ ( ~ ! [SY30: $i,SY31: $i] :
                    ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
                    | ( member @ SY31 @ SV5 ) )
              | ~ ! [SY32: $i,SY33: $i] :
                    ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
                    | ~ ( member @ SY33 @ SY32 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[76]) ).

thf(91,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[77]) ).

thf(92,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX1 )
                    | ( member @ SX2 @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[78]) ).

thf(93,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[79]) ).

thf(94,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[80]) ).

thf(95,plain,
    ( ( ( intersection @ sK1_B @ sK2_SY25 )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[81]) ).

thf(96,plain,
    ( ( ( ( difference @ sK1_B @ sK2_SY25 )
       != sK1_B ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[82]) ).

thf(97,plain,
    ! [SV6: $i] :
      ( ( ~ ! [SY34: $i,SY35: $i] :
              ( ~ ( member @ SY35 @ SV6 )
              | ~ ( member @ SY35 @ SY34 )
              | ( member @ SY35 @ ( intersection @ SV6 @ SY34 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[83]) ).

thf(98,plain,
    ! [SV6: $i] :
      ( ( ~ ~ ( ~ ! [SY36: $i,SY37: $i] :
                    ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
                    | ( member @ SY37 @ SV6 ) )
              | ~ ! [SY38: $i,SY39: $i] :
                    ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
                    | ( member @ SY39 @ SY38 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[83]) ).

thf(99,plain,
    ! [SV9: $i] :
      ( ( ! [SY40: $i] :
            ( ~ ( subset @ SV9 @ SY40 )
            | ~ ( subset @ SY40 @ SV9 )
            | ( SV9 = SY40 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[84]) ).

thf(100,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[85]) ).

thf(101,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
              | ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
          | ~ ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
              | ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) ) )
        = $false )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[86]) ).

thf(102,plain,
    ! [SV10: $i] :
      ( ( ! [SY41: $i] :
            ( ~ ( ~ ( member @ ( sK4_D @ SY41 @ SV10 ) @ SV10 )
                | ~ ~ ( member @ ( sK4_D @ SY41 @ SV10 ) @ SY41 ) )
            | ( subset @ SV10 @ SY41 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[87]) ).

thf(103,plain,
    ! [SV11: $i] :
      ( ( ! [SY42: $i] :
            ( ~ ( subset @ SV11 @ SY42 )
            | ! [SY43: $i] :
                ( ~ ( member @ SY43 @ SV11 )
                | ( member @ SY43 @ SY42 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(104,plain,
    ! [SV5: $i] :
      ( ( ! [SY28: $i,SY29: $i] :
            ( ~ ( member @ SY29 @ SV5 )
            | ( member @ SY29 @ SY28 )
            | ( member @ SY29 @ ( difference @ SV5 @ SY28 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[89]) ).

thf(105,plain,
    ! [SV5: $i] :
      ( ( ~ ( ~ ! [SY30: $i,SY31: $i] :
                  ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
                  | ( member @ SY31 @ SV5 ) )
            | ~ ! [SY32: $i,SY33: $i] :
                  ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
                  | ~ ( member @ SY33 @ SY32 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[90]) ).

thf(106,plain,
    ! [SV12: $i] :
      ( ( ! [SY44: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SY44 @ SV12 ) @ SV12 )
                    | ~ ( member @ ( sK5_D @ SY44 @ SV12 ) @ SY44 ) )
                | ~ ( ( member @ ( sK5_D @ SY44 @ SV12 ) @ SV12 )
                    | ( member @ ( sK5_D @ SY44 @ SV12 ) @ SY44 ) ) )
            | ( SV12 = SY44 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[91]) ).

thf(107,plain,
    ! [SV13: $i] :
      ( ( ! [SY45: $i] :
            ( ( SV13 != SY45 )
            | ~ ( ~ ! [SY46: $i] :
                      ( ~ ( member @ SY46 @ SV13 )
                      | ( member @ SY46 @ SY45 ) )
                | ~ ! [SY47: $i] :
                      ( ~ ( member @ SY47 @ SY45 )
                      | ( member @ SY47 @ SV13 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(108,plain,
    ! [SV14: $i] :
      ( ( ( member @ ( sK3_C @ SV14 ) @ SV14 )
        | ( empty @ SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(109,plain,
    ! [SV15: $i] :
      ( ( ~ ( empty @ SV15 )
        | ! [SY48: $i] :
            ~ ( member @ SY48 @ SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[94]) ).

thf(110,plain,
    ( ( ( difference @ sK1_B @ sK2_SY25 )
      = sK1_B )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[96]) ).

thf(111,plain,
    ! [SV6: $i] :
      ( ( ! [SY34: $i,SY35: $i] :
            ( ~ ( member @ SY35 @ SV6 )
            | ~ ( member @ SY35 @ SY34 )
            | ( member @ SY35 @ ( intersection @ SV6 @ SY34 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[97]) ).

thf(112,plain,
    ! [SV6: $i] :
      ( ( ~ ( ~ ! [SY36: $i,SY37: $i] :
                  ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
                  | ( member @ SY37 @ SV6 ) )
            | ~ ! [SY38: $i,SY39: $i] :
                  ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
                  | ( member @ SY39 @ SY38 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[98]) ).

thf(113,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ~ ( subset @ SV9 @ SV16 )
        | ~ ( subset @ SV16 @ SV9 )
        | ( SV9 = SV16 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[99]) ).

thf(114,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(115,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(116,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
              | ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) ) )
        = $false )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[101]) ).

thf(117,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ~ ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
              | ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) ) )
        = $false )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[101]) ).

thf(118,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ~ ( ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV10 )
            | ~ ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV17 ) )
        | ( subset @ SV10 @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[102]) ).

thf(119,plain,
    ! [SV18: $i,SV11: $i] :
      ( ( ~ ( subset @ SV11 @ SV18 )
        | ! [SY49: $i] :
            ( ~ ( member @ SY49 @ SV11 )
            | ( member @ SY49 @ SV18 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[103]) ).

thf(120,plain,
    ! [SV19: $i,SV5: $i] :
      ( ( ! [SY50: $i] :
            ( ~ ( member @ SY50 @ SV5 )
            | ( member @ SY50 @ SV19 )
            | ( member @ SY50 @ ( difference @ SV5 @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[104]) ).

thf(121,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY30: $i,SY31: $i] :
              ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
              | ( member @ SY31 @ SV5 ) )
        | ~ ! [SY32: $i,SY33: $i] :
              ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
              | ~ ( member @ SY33 @ SY32 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[105]) ).

thf(122,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
                | ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
            | ~ ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
                | ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) ) )
        | ( SV12 = SV20 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[106]) ).

thf(123,plain,
    ! [SV21: $i,SV13: $i] :
      ( ( ( SV13 != SV21 )
        | ~ ( ~ ! [SY51: $i] :
                  ( ~ ( member @ SY51 @ SV13 )
                  | ( member @ SY51 @ SV21 ) )
            | ~ ! [SY52: $i] :
                  ( ~ ( member @ SY52 @ SV21 )
                  | ( member @ SY52 @ SV13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(124,plain,
    ! [SV14: $i] :
      ( ( ( member @ ( sK3_C @ SV14 ) @ SV14 )
        = $true )
      | ( ( empty @ SV14 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[108]) ).

thf(125,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( empty @ SV15 ) )
        = $true )
      | ( ( ! [SY48: $i] :
              ~ ( member @ SY48 @ SV15 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[109]) ).

thf(126,plain,
    ! [SV22: $i,SV6: $i] :
      ( ( ! [SY53: $i] :
            ( ~ ( member @ SY53 @ SV6 )
            | ~ ( member @ SY53 @ SV22 )
            | ( member @ SY53 @ ( intersection @ SV6 @ SV22 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[111]) ).

thf(127,plain,
    ! [SV6: $i] :
      ( ( ~ ! [SY36: $i,SY37: $i] :
              ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
              | ( member @ SY37 @ SV6 ) )
        | ~ ! [SY38: $i,SY39: $i] :
              ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
              | ( member @ SY39 @ SY38 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[112]) ).

thf(128,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ~ ( subset @ SV9 @ SV16 )
          | ~ ( subset @ SV16 @ SV9 ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[113]) ).

thf(129,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[114]) ).

thf(130,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[115]) ).

thf(131,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
          | ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
        = $true )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[116]) ).

thf(132,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
          | ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
        = $true )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[117]) ).

thf(133,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV10 )
              | ~ ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV17 ) ) )
        = $true )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[118]) ).

thf(134,plain,
    ! [SV18: $i,SV11: $i] :
      ( ( ( ~ ( subset @ SV11 @ SV18 ) )
        = $true )
      | ( ( ! [SY49: $i] :
              ( ~ ( member @ SY49 @ SV11 )
              | ( member @ SY49 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[119]) ).

thf(135,plain,
    ! [SV19: $i,SV5: $i,SV23: $i] :
      ( ( ~ ( member @ SV23 @ SV5 )
        | ( member @ SV23 @ SV19 )
        | ( member @ SV23 @ ( difference @ SV5 @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(136,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY30: $i,SY31: $i] :
              ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
              | ( member @ SY31 @ SV5 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[121]) ).

thf(137,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY32: $i,SY33: $i] :
              ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
              | ~ ( member @ SY33 @ SY32 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[121]) ).

thf(138,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
                  | ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
              | ~ ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
                  | ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) ) ) )
        = $true )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[122]) ).

thf(139,plain,
    ! [SV21: $i,SV13: $i] :
      ( ( ( ( SV13 != SV21 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY51: $i] :
                    ( ~ ( member @ SY51 @ SV13 )
                    | ( member @ SY51 @ SV21 ) )
              | ~ ! [SY52: $i] :
                    ( ~ ( member @ SY52 @ SV21 )
                    | ( member @ SY52 @ SV13 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[123]) ).

thf(140,plain,
    ! [SV15: $i] :
      ( ( ( empty @ SV15 )
        = $false )
      | ( ( ! [SY48: $i] :
              ~ ( member @ SY48 @ SV15 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[125]) ).

thf(141,plain,
    ! [SV22: $i,SV6: $i,SV24: $i] :
      ( ( ~ ( member @ SV24 @ SV6 )
        | ~ ( member @ SV24 @ SV22 )
        | ( member @ SV24 @ ( intersection @ SV6 @ SV22 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[126]) ).

thf(142,plain,
    ! [SV6: $i] :
      ( ( ~ ! [SY36: $i,SY37: $i] :
              ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
              | ( member @ SY37 @ SV6 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[127]) ).

thf(143,plain,
    ! [SV6: $i] :
      ( ( ~ ! [SY38: $i,SY39: $i] :
              ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
              | ( member @ SY39 @ SY38 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[127]) ).

thf(144,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ~ ( subset @ SV9 @ SV16 ) )
        = $true )
      | ( ( ~ ( subset @ SV16 @ SV9 ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[128]) ).

thf(145,plain,
    ! [SV25: $i] :
      ( ( ! [SY54: $i] :
            ( ( SV25 != SY54 )
            | ( subset @ SV25 @ SY54 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[129]) ).

thf(146,plain,
    ! [SV26: $i] :
      ( ( ! [SY55: $i] :
            ( ( SV26 != SY55 )
            | ( subset @ SY55 @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[130]) ).

thf(147,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 ) )
        = $true )
      | ( ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
        = $true )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[131]) ).

thf(148,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
        = $true )
      | ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 )
        = $true )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[132]) ).

thf(149,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV10 )
          | ~ ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV17 ) )
        = $false )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[133]) ).

thf(150,plain,
    ! [SV18: $i,SV11: $i] :
      ( ( ( subset @ SV11 @ SV18 )
        = $false )
      | ( ( ! [SY49: $i] :
              ( ~ ( member @ SY49 @ SV11 )
              | ( member @ SY49 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[134]) ).

thf(151,plain,
    ! [SV19: $i,SV5: $i,SV23: $i] :
      ( ( ( ~ ( member @ SV23 @ SV5 )
          | ( member @ SV23 @ SV19 ) )
        = $true )
      | ( ( member @ SV23 @ ( difference @ SV5 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[135]) ).

thf(152,plain,
    ! [SV5: $i] :
      ( ( ! [SY30: $i,SY31: $i] :
            ( ~ ( member @ SY31 @ ( difference @ SV5 @ SY30 ) )
            | ( member @ SY31 @ SV5 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[136]) ).

thf(153,plain,
    ! [SV5: $i] :
      ( ( ! [SY32: $i,SY33: $i] :
            ( ~ ( member @ SY33 @ ( difference @ SV5 @ SY32 ) )
            | ~ ( member @ SY33 @ SY32 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[137]) ).

thf(154,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
              | ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
          | ~ ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
              | ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) ) )
        = $false )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(155,plain,
    ! [SV21: $i,SV13: $i] :
      ( ( ( SV13 = SV21 )
        = $false )
      | ( ( ~ ( ~ ! [SY51: $i] :
                    ( ~ ( member @ SY51 @ SV13 )
                    | ( member @ SY51 @ SV21 ) )
              | ~ ! [SY52: $i] :
                    ( ~ ( member @ SY52 @ SV21 )
                    | ( member @ SY52 @ SV13 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[139]) ).

thf(156,plain,
    ! [SV15: $i,SV27: $i] :
      ( ( ( ~ ( member @ SV27 @ SV15 ) )
        = $true )
      | ( ( empty @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[140]) ).

thf(157,plain,
    ! [SV22: $i,SV6: $i,SV24: $i] :
      ( ( ( ~ ( member @ SV24 @ SV6 )
          | ~ ( member @ SV24 @ SV22 ) )
        = $true )
      | ( ( member @ SV24 @ ( intersection @ SV6 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[141]) ).

thf(158,plain,
    ! [SV6: $i] :
      ( ( ! [SY36: $i,SY37: $i] :
            ( ~ ( member @ SY37 @ ( intersection @ SV6 @ SY36 ) )
            | ( member @ SY37 @ SV6 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[142]) ).

thf(159,plain,
    ! [SV6: $i] :
      ( ( ! [SY38: $i,SY39: $i] :
            ( ~ ( member @ SY39 @ ( intersection @ SV6 @ SY38 ) )
            | ( member @ SY39 @ SY38 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[143]) ).

thf(160,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( subset @ SV9 @ SV16 )
        = $false )
      | ( ( ~ ( subset @ SV16 @ SV9 ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[144]) ).

thf(161,plain,
    ! [SV28: $i,SV25: $i] :
      ( ( ( SV25 != SV28 )
        | ( subset @ SV25 @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[145]) ).

thf(162,plain,
    ! [SV29: $i,SV26: $i] :
      ( ( ( SV26 != SV29 )
        | ( subset @ SV29 @ SV26 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[146]) ).

thf(163,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
        = $false )
      | ( ( ~ ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 ) )
        = $true )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[147]) ).

thf(164,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV10 ) )
        = $false )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[149]) ).

thf(165,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( ~ ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV17 ) )
        = $false )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[149]) ).

thf(166,plain,
    ! [SV18: $i,SV11: $i,SV30: $i] :
      ( ( ( ~ ( member @ SV30 @ SV11 )
          | ( member @ SV30 @ SV18 ) )
        = $true )
      | ( ( subset @ SV11 @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[150]) ).

thf(167,plain,
    ! [SV19: $i,SV5: $i,SV23: $i] :
      ( ( ( ~ ( member @ SV23 @ SV5 ) )
        = $true )
      | ( ( member @ SV23 @ SV19 )
        = $true )
      | ( ( member @ SV23 @ ( difference @ SV5 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[151]) ).

thf(168,plain,
    ! [SV31: $i,SV5: $i] :
      ( ( ! [SY56: $i] :
            ( ~ ( member @ SY56 @ ( difference @ SV5 @ SV31 ) )
            | ( member @ SY56 @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[152]) ).

thf(169,plain,
    ! [SV32: $i,SV5: $i] :
      ( ( ! [SY57: $i] :
            ( ~ ( member @ SY57 @ ( difference @ SV5 @ SV32 ) )
            | ~ ( member @ SY57 @ SV32 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[153]) ).

thf(170,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
              | ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) ) )
        = $false )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[154]) ).

thf(171,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ~ ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
              | ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) ) )
        = $false )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[154]) ).

thf(172,plain,
    ! [SV21: $i,SV13: $i] :
      ( ( ( ~ ! [SY51: $i] :
                ( ~ ( member @ SY51 @ SV13 )
                | ( member @ SY51 @ SV21 ) )
          | ~ ! [SY52: $i] :
                ( ~ ( member @ SY52 @ SV21 )
                | ( member @ SY52 @ SV13 ) ) )
        = $false )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(173,plain,
    ! [SV15: $i,SV27: $i] :
      ( ( ( member @ SV27 @ SV15 )
        = $false )
      | ( ( empty @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[156]) ).

thf(174,plain,
    ! [SV22: $i,SV6: $i,SV24: $i] :
      ( ( ( ~ ( member @ SV24 @ SV6 ) )
        = $true )
      | ( ( ~ ( member @ SV24 @ SV22 ) )
        = $true )
      | ( ( member @ SV24 @ ( intersection @ SV6 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[157]) ).

thf(175,plain,
    ! [SV33: $i,SV6: $i] :
      ( ( ! [SY58: $i] :
            ( ~ ( member @ SY58 @ ( intersection @ SV6 @ SV33 ) )
            | ( member @ SY58 @ SV6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[158]) ).

thf(176,plain,
    ! [SV34: $i,SV6: $i] :
      ( ( ! [SY59: $i] :
            ( ~ ( member @ SY59 @ ( intersection @ SV6 @ SV34 ) )
            | ( member @ SY59 @ SV34 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[159]) ).

thf(177,plain,
    ! [SV9: $i,SV16: $i] :
      ( ( ( subset @ SV16 @ SV9 )
        = $false )
      | ( ( subset @ SV9 @ SV16 )
        = $false )
      | ( ( SV9 = SV16 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[160]) ).

thf(178,plain,
    ! [SV28: $i,SV25: $i] :
      ( ( ( ( SV25 != SV28 ) )
        = $true )
      | ( ( subset @ SV25 @ SV28 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[161]) ).

thf(179,plain,
    ! [SV29: $i,SV26: $i] :
      ( ( ( ( SV26 != SV29 ) )
        = $true )
      | ( ( subset @ SV29 @ SV26 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[162]) ).

thf(180,plain,
    ! [SV4: $i,SV8: $i] :
      ( ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV8 )
        = $false )
      | ( ( member @ ( sK6_D @ SV8 @ SV4 ) @ SV4 )
        = $false )
      | ( ( SV4 = SV8 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[163]) ).

thf(181,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV10 )
        = $true )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[164]) ).

thf(182,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV17 ) )
        = $true )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[165]) ).

thf(183,plain,
    ! [SV18: $i,SV11: $i,SV30: $i] :
      ( ( ( ~ ( member @ SV30 @ SV11 ) )
        = $true )
      | ( ( member @ SV30 @ SV18 )
        = $true )
      | ( ( subset @ SV11 @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[166]) ).

thf(184,plain,
    ! [SV19: $i,SV5: $i,SV23: $i] :
      ( ( ( member @ SV23 @ SV5 )
        = $false )
      | ( ( member @ SV23 @ SV19 )
        = $true )
      | ( ( member @ SV23 @ ( difference @ SV5 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[167]) ).

thf(185,plain,
    ! [SV31: $i,SV5: $i,SV35: $i] :
      ( ( ~ ( member @ SV35 @ ( difference @ SV5 @ SV31 ) )
        | ( member @ SV35 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[168]) ).

thf(186,plain,
    ! [SV32: $i,SV5: $i,SV36: $i] :
      ( ( ~ ( member @ SV36 @ ( difference @ SV5 @ SV32 ) )
        | ~ ( member @ SV36 @ SV32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[169]) ).

thf(187,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
          | ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
        = $true )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[170]) ).

thf(188,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
          | ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
        = $true )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[171]) ).

thf(189,plain,
    ! [SV21: $i,SV13: $i] :
      ( ( ( ~ ! [SY51: $i] :
                ( ~ ( member @ SY51 @ SV13 )
                | ( member @ SY51 @ SV21 ) ) )
        = $false )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[172]) ).

thf(190,plain,
    ! [SV13: $i,SV21: $i] :
      ( ( ( ~ ! [SY52: $i] :
                ( ~ ( member @ SY52 @ SV21 )
                | ( member @ SY52 @ SV13 ) ) )
        = $false )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[172]) ).

thf(191,plain,
    ! [SV22: $i,SV6: $i,SV24: $i] :
      ( ( ( member @ SV24 @ SV6 )
        = $false )
      | ( ( ~ ( member @ SV24 @ SV22 ) )
        = $true )
      | ( ( member @ SV24 @ ( intersection @ SV6 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[174]) ).

thf(192,plain,
    ! [SV33: $i,SV6: $i,SV37: $i] :
      ( ( ~ ( member @ SV37 @ ( intersection @ SV6 @ SV33 ) )
        | ( member @ SV37 @ SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[175]) ).

thf(193,plain,
    ! [SV34: $i,SV6: $i,SV38: $i] :
      ( ( ~ ( member @ SV38 @ ( intersection @ SV6 @ SV34 ) )
        | ( member @ SV38 @ SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[176]) ).

thf(194,plain,
    ! [SV28: $i,SV25: $i] :
      ( ( ( SV25 = SV28 )
        = $false )
      | ( ( subset @ SV25 @ SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[178]) ).

thf(195,plain,
    ! [SV29: $i,SV26: $i] :
      ( ( ( SV26 = SV29 )
        = $false )
      | ( ( subset @ SV29 @ SV26 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[179]) ).

thf(196,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( member @ ( sK4_D @ SV17 @ SV10 ) @ SV17 )
        = $false )
      | ( ( subset @ SV10 @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(197,plain,
    ! [SV18: $i,SV11: $i,SV30: $i] :
      ( ( ( member @ SV30 @ SV11 )
        = $false )
      | ( ( member @ SV30 @ SV18 )
        = $true )
      | ( ( subset @ SV11 @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[183]) ).

thf(198,plain,
    ! [SV31: $i,SV5: $i,SV35: $i] :
      ( ( ( ~ ( member @ SV35 @ ( difference @ SV5 @ SV31 ) ) )
        = $true )
      | ( ( member @ SV35 @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[185]) ).

thf(199,plain,
    ! [SV32: $i,SV5: $i,SV36: $i] :
      ( ( ( ~ ( member @ SV36 @ ( difference @ SV5 @ SV32 ) ) )
        = $true )
      | ( ( ~ ( member @ SV36 @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[186]) ).

thf(200,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 ) )
        = $true )
      | ( ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
        = $true )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[187]) ).

thf(201,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
        = $true )
      | ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 )
        = $true )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[188]) ).

thf(202,plain,
    ! [SV21: $i,SV13: $i] :
      ( ( ( ! [SY51: $i] :
              ( ~ ( member @ SY51 @ SV13 )
              | ( member @ SY51 @ SV21 ) ) )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[189]) ).

thf(203,plain,
    ! [SV13: $i,SV21: $i] :
      ( ( ( ! [SY52: $i] :
              ( ~ ( member @ SY52 @ SV21 )
              | ( member @ SY52 @ SV13 ) ) )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[190]) ).

thf(204,plain,
    ! [SV6: $i,SV22: $i,SV24: $i] :
      ( ( ( member @ SV24 @ SV22 )
        = $false )
      | ( ( member @ SV24 @ SV6 )
        = $false )
      | ( ( member @ SV24 @ ( intersection @ SV6 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[191]) ).

thf(205,plain,
    ! [SV33: $i,SV6: $i,SV37: $i] :
      ( ( ( ~ ( member @ SV37 @ ( intersection @ SV6 @ SV33 ) ) )
        = $true )
      | ( ( member @ SV37 @ SV6 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[192]) ).

thf(206,plain,
    ! [SV34: $i,SV6: $i,SV38: $i] :
      ( ( ( ~ ( member @ SV38 @ ( intersection @ SV6 @ SV34 ) ) )
        = $true )
      | ( ( member @ SV38 @ SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[193]) ).

thf(207,plain,
    ! [SV31: $i,SV5: $i,SV35: $i] :
      ( ( ( member @ SV35 @ ( difference @ SV5 @ SV31 ) )
        = $false )
      | ( ( member @ SV35 @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[198]) ).

thf(208,plain,
    ! [SV32: $i,SV5: $i,SV36: $i] :
      ( ( ( member @ SV36 @ ( difference @ SV5 @ SV32 ) )
        = $false )
      | ( ( ~ ( member @ SV36 @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[199]) ).

thf(209,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
        = $false )
      | ( ( ~ ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 ) )
        = $true )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[200]) ).

thf(210,plain,
    ! [SV21: $i,SV13: $i,SV39: $i] :
      ( ( ( ~ ( member @ SV39 @ SV13 )
          | ( member @ SV39 @ SV21 ) )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[202]) ).

thf(211,plain,
    ! [SV13: $i,SV21: $i,SV40: $i] :
      ( ( ( ~ ( member @ SV40 @ SV21 )
          | ( member @ SV40 @ SV13 ) )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[203]) ).

thf(212,plain,
    ! [SV33: $i,SV6: $i,SV37: $i] :
      ( ( ( member @ SV37 @ ( intersection @ SV6 @ SV33 ) )
        = $false )
      | ( ( member @ SV37 @ SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[205]) ).

thf(213,plain,
    ! [SV34: $i,SV6: $i,SV38: $i] :
      ( ( ( member @ SV38 @ ( intersection @ SV6 @ SV34 ) )
        = $false )
      | ( ( member @ SV38 @ SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[206]) ).

thf(214,plain,
    ! [SV5: $i,SV32: $i,SV36: $i] :
      ( ( ( member @ SV36 @ SV32 )
        = $false )
      | ( ( member @ SV36 @ ( difference @ SV5 @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[208]) ).

thf(215,plain,
    ! [SV12: $i,SV20: $i] :
      ( ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV20 )
        = $false )
      | ( ( member @ ( sK5_D @ SV20 @ SV12 ) @ SV12 )
        = $false )
      | ( ( SV12 = SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[209]) ).

thf(216,plain,
    ! [SV21: $i,SV13: $i,SV39: $i] :
      ( ( ( ~ ( member @ SV39 @ SV13 ) )
        = $true )
      | ( ( member @ SV39 @ SV21 )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[210]) ).

thf(217,plain,
    ! [SV13: $i,SV21: $i,SV40: $i] :
      ( ( ( ~ ( member @ SV40 @ SV21 ) )
        = $true )
      | ( ( member @ SV40 @ SV13 )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[211]) ).

thf(218,plain,
    ! [SV21: $i,SV13: $i,SV39: $i] :
      ( ( ( member @ SV39 @ SV13 )
        = $false )
      | ( ( member @ SV39 @ SV21 )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[216]) ).

thf(219,plain,
    ! [SV13: $i,SV21: $i,SV40: $i] :
      ( ( ( member @ SV40 @ SV21 )
        = $false )
      | ( ( member @ SV40 @ SV13 )
        = $true )
      | ( ( SV13 = SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(220,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[60,219,218,215,214,213,212,207,204,201,197,196,195,194,184,181,180,177,173,148,124,110,95,70,69]) ).

thf(221,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK6_D @ C @ B ) @ B )
              | ~ ( member @ ( sK6_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK6_D @ C @ B ) @ B )
              | ( member @ ( sK6_D @ C @ B ) @ C ) ) )
          | ( B = C ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(222,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ~ ( member @ D @ C )
              | ( member @ D @ ( intersection @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( intersection @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( intersection @ B @ C ) )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(223,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C )
              | ( member @ D @ ( difference @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(224,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[20]) ).

thf(225,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ~ ( subset @ C @ B )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(226,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[18]) ).

thf(227,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK5_D @ C @ B ) @ B )
              | ~ ( member @ ( sK5_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK5_D @ C @ B ) @ B )
              | ( member @ ( sK5_D @ C @ B ) @ C ) ) )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( ! [D: $i] :
                ( ~ ( member @ D @ B )
                | ( member @ D @ C ) )
            & ! [D: $i] :
                ( ~ ( member @ D @ C )
                | ( member @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[34]) ).

thf(228,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK4_D @ C @ B ) @ B )
            & ~ ( member @ ( sK4_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(229,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(230,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK3_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(231,plain,
    ( ( ( ( difference @ sK1_B @ sK2_SY25 )
        = sK1_B )
      & ( ( intersection @ sK1_B @ sK2_SY25 )
       != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[31]) ).

thf(232,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
                | ( empty @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ! [SX1: $i] :
                    ~ ( member @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[230]) ).

thf(233,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ SX0 )
                  | ( member @ SX2 @ SX1 )
                  | ( member @ SX2 @ ( difference @ SX0 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( difference @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX0 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( difference @ SX0 @ SX1 ) )
                        | ~ ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[223]) ).

thf(234,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ SX0 )
                  | ~ ( member @ SX2 @ SX1 )
                  | ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX0 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( intersection @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[222]) ).

thf(235,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[228]) ).

thf(236,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                        | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX0 = SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( member @ SX2 @ SX0 )
                          | ( member @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( member @ SX2 @ SX1 )
                          | ( member @ SX2 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[227]) ).

thf(237,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[225]) ).

thf(238,plain,
    ( ( ~ ( ( ( difference @ sK1_B @ sK2_SY25 )
           != sK1_B )
          | ~ ( ( ( intersection @ sK1_B @ sK2_SY25 )
               != empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[231]) ).

thf(239,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[221]) ).

thf(240,plain,
    ! [SV41: $i] :
      ( ( ~ ( member @ SV41 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[224]) ).

thf(241,plain,
    ! [SV42: $i] :
      ( ( ! [SY60: $i] :
            ( ( intersection @ SV42 @ SY60 )
            = ( intersection @ SY60 @ SV42 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[226]) ).

thf(242,plain,
    ! [SV43: $i] :
      ( ( subset @ SV43 @ SV43 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[229]) ).

thf(243,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[232]) ).

thf(244,plain,
    ! [SV44: $i] :
      ( ( ~ ( ~ ! [SY61: $i,SY62: $i] :
                  ( ~ ( member @ SY62 @ SV44 )
                  | ( member @ SY62 @ SY61 )
                  | ( member @ SY62 @ ( difference @ SV44 @ SY61 ) ) )
            | ~ ~ ( ~ ! [SY63: $i,SY64: $i] :
                        ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
                        | ( member @ SY64 @ SV44 ) )
                  | ~ ! [SY65: $i,SY66: $i] :
                        ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
                        | ~ ( member @ SY66 @ SY65 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[233]) ).

thf(245,plain,
    ! [SV45: $i] :
      ( ( ~ ( ~ ! [SY67: $i,SY68: $i] :
                  ( ~ ( member @ SY68 @ SV45 )
                  | ~ ( member @ SY68 @ SY67 )
                  | ( member @ SY68 @ ( intersection @ SV45 @ SY67 ) ) )
            | ~ ~ ( ~ ! [SY69: $i,SY70: $i] :
                        ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
                        | ( member @ SY70 @ SV45 ) )
                  | ~ ! [SY71: $i,SY72: $i] :
                        ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
                        | ( member @ SY72 @ SY71 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[234]) ).

thf(246,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[235]) ).

thf(247,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX1 )
                      | ( member @ SX2 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[236]) ).

thf(248,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[237]) ).

thf(249,plain,
    ( ( ( ( difference @ sK1_B @ sK2_SY25 )
       != sK1_B )
      | ~ ( ( ( intersection @ sK1_B @ sK2_SY25 )
           != empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[238]) ).

thf(250,plain,
    ! [SV46: $i] :
      ( ( ! [SY73: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SY73 @ SV46 ) @ SV46 )
                    | ~ ( member @ ( sK6_D @ SY73 @ SV46 ) @ SY73 ) )
                | ~ ( ( member @ ( sK6_D @ SY73 @ SV46 ) @ SV46 )
                    | ( member @ ( sK6_D @ SY73 @ SV46 ) @ SY73 ) ) )
            | ( SV46 = SY73 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[239]) ).

thf(251,plain,
    ! [SV41: $i] :
      ( ( member @ SV41 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[240]) ).

thf(252,plain,
    ! [SV47: $i,SV42: $i] :
      ( ( ( intersection @ SV42 @ SV47 )
        = ( intersection @ SV47 @ SV42 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[241]) ).

thf(253,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[243]) ).

thf(254,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[243]) ).

thf(255,plain,
    ! [SV44: $i] :
      ( ( ~ ! [SY61: $i,SY62: $i] :
              ( ~ ( member @ SY62 @ SV44 )
              | ( member @ SY62 @ SY61 )
              | ( member @ SY62 @ ( difference @ SV44 @ SY61 ) ) )
        | ~ ~ ( ~ ! [SY63: $i,SY64: $i] :
                    ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
                    | ( member @ SY64 @ SV44 ) )
              | ~ ! [SY65: $i,SY66: $i] :
                    ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
                    | ~ ( member @ SY66 @ SY65 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[244]) ).

thf(256,plain,
    ! [SV45: $i] :
      ( ( ~ ! [SY67: $i,SY68: $i] :
              ( ~ ( member @ SY68 @ SV45 )
              | ~ ( member @ SY68 @ SY67 )
              | ( member @ SY68 @ ( intersection @ SV45 @ SY67 ) ) )
        | ~ ~ ( ~ ! [SY69: $i,SY70: $i] :
                    ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
                    | ( member @ SY70 @ SV45 ) )
              | ~ ! [SY71: $i,SY72: $i] :
                    ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
                    | ( member @ SY72 @ SY71 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[245]) ).

thf(257,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[246]) ).

thf(258,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[246]) ).

thf(259,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[247]) ).

thf(260,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX1 )
                      | ( member @ SX2 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[247]) ).

thf(261,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[248]) ).

thf(262,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[248]) ).

thf(263,plain,
    ( ( ( ( difference @ sK1_B @ sK2_SY25 )
       != sK1_B ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[249]) ).

thf(264,plain,
    ( ( ~ ( ( ( intersection @ sK1_B @ sK2_SY25 )
           != empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[249]) ).

thf(265,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
                | ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
            | ~ ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
                | ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) ) )
        | ( SV46 = SV48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[250]) ).

thf(266,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[253]) ).

thf(267,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[254]) ).

thf(268,plain,
    ! [SV44: $i] :
      ( ( ~ ! [SY61: $i,SY62: $i] :
              ( ~ ( member @ SY62 @ SV44 )
              | ( member @ SY62 @ SY61 )
              | ( member @ SY62 @ ( difference @ SV44 @ SY61 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[255]) ).

thf(269,plain,
    ! [SV44: $i] :
      ( ( ~ ~ ( ~ ! [SY63: $i,SY64: $i] :
                    ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
                    | ( member @ SY64 @ SV44 ) )
              | ~ ! [SY65: $i,SY66: $i] :
                    ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
                    | ~ ( member @ SY66 @ SY65 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[255]) ).

thf(270,plain,
    ! [SV45: $i] :
      ( ( ~ ! [SY67: $i,SY68: $i] :
              ( ~ ( member @ SY68 @ SV45 )
              | ~ ( member @ SY68 @ SY67 )
              | ( member @ SY68 @ ( intersection @ SV45 @ SY67 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[256]) ).

thf(271,plain,
    ! [SV45: $i] :
      ( ( ~ ~ ( ~ ! [SY69: $i,SY70: $i] :
                    ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
                    | ( member @ SY70 @ SV45 ) )
              | ~ ! [SY71: $i,SY72: $i] :
                    ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
                    | ( member @ SY72 @ SY71 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[256]) ).

thf(272,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[257]) ).

thf(273,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[258]) ).

thf(274,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[259]) ).

thf(275,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ~ ( ~ ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX1 )
                    | ( member @ SX2 @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[260]) ).

thf(276,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[261]) ).

thf(277,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[262]) ).

thf(278,plain,
    ( ( ( difference @ sK1_B @ sK2_SY25 )
      = sK1_B )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[263]) ).

thf(279,plain,
    ( ( ( ( intersection @ sK1_B @ sK2_SY25 )
       != empty_set ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[264]) ).

thf(280,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
                  | ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
              | ~ ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
                  | ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) ) ) )
        = $true )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[265]) ).

thf(281,plain,
    ! [SV49: $i] :
      ( ( ( member @ ( sK3_C @ SV49 ) @ SV49 )
        | ( empty @ SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[266]) ).

thf(282,plain,
    ! [SV50: $i] :
      ( ( ~ ( empty @ SV50 )
        | ! [SY74: $i] :
            ~ ( member @ SY74 @ SV50 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[267]) ).

thf(283,plain,
    ! [SV44: $i] :
      ( ( ! [SY61: $i,SY62: $i] :
            ( ~ ( member @ SY62 @ SV44 )
            | ( member @ SY62 @ SY61 )
            | ( member @ SY62 @ ( difference @ SV44 @ SY61 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[268]) ).

thf(284,plain,
    ! [SV44: $i] :
      ( ( ~ ( ~ ! [SY63: $i,SY64: $i] :
                  ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
                  | ( member @ SY64 @ SV44 ) )
            | ~ ! [SY65: $i,SY66: $i] :
                  ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
                  | ~ ( member @ SY66 @ SY65 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[269]) ).

thf(285,plain,
    ! [SV45: $i] :
      ( ( ! [SY67: $i,SY68: $i] :
            ( ~ ( member @ SY68 @ SV45 )
            | ~ ( member @ SY68 @ SY67 )
            | ( member @ SY68 @ ( intersection @ SV45 @ SY67 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[270]) ).

thf(286,plain,
    ! [SV45: $i] :
      ( ( ~ ( ~ ! [SY69: $i,SY70: $i] :
                  ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
                  | ( member @ SY70 @ SV45 ) )
            | ~ ! [SY71: $i,SY72: $i] :
                  ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
                  | ( member @ SY72 @ SY71 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[271]) ).

thf(287,plain,
    ! [SV51: $i] :
      ( ( ! [SY75: $i] :
            ( ~ ( ~ ( member @ ( sK4_D @ SY75 @ SV51 ) @ SV51 )
                | ~ ~ ( member @ ( sK4_D @ SY75 @ SV51 ) @ SY75 ) )
            | ( subset @ SV51 @ SY75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[272]) ).

thf(288,plain,
    ! [SV52: $i] :
      ( ( ! [SY76: $i] :
            ( ~ ( subset @ SV52 @ SY76 )
            | ! [SY77: $i] :
                ( ~ ( member @ SY77 @ SV52 )
                | ( member @ SY77 @ SY76 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[273]) ).

thf(289,plain,
    ! [SV53: $i] :
      ( ( ! [SY78: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SY78 @ SV53 ) @ SV53 )
                    | ~ ( member @ ( sK5_D @ SY78 @ SV53 ) @ SY78 ) )
                | ~ ( ( member @ ( sK5_D @ SY78 @ SV53 ) @ SV53 )
                    | ( member @ ( sK5_D @ SY78 @ SV53 ) @ SY78 ) ) )
            | ( SV53 = SY78 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[274]) ).

thf(290,plain,
    ! [SV54: $i] :
      ( ( ! [SY79: $i] :
            ( ( SV54 != SY79 )
            | ~ ( ~ ! [SY80: $i] :
                      ( ~ ( member @ SY80 @ SV54 )
                      | ( member @ SY80 @ SY79 ) )
                | ~ ! [SY81: $i] :
                      ( ~ ( member @ SY81 @ SY79 )
                      | ( member @ SY81 @ SV54 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[275]) ).

thf(291,plain,
    ! [SV55: $i] :
      ( ( ! [SY82: $i] :
            ( ~ ( subset @ SV55 @ SY82 )
            | ~ ( subset @ SY82 @ SV55 )
            | ( SV55 = SY82 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[276]) ).

thf(292,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[277]) ).

thf(293,plain,
    ( ( ( intersection @ sK1_B @ sK2_SY25 )
      = empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[279]) ).

thf(294,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
              | ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
          | ~ ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
              | ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) ) )
        = $false )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[280]) ).

thf(295,plain,
    ! [SV49: $i] :
      ( ( ( member @ ( sK3_C @ SV49 ) @ SV49 )
        = $true )
      | ( ( empty @ SV49 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[281]) ).

thf(296,plain,
    ! [SV50: $i] :
      ( ( ( ~ ( empty @ SV50 ) )
        = $true )
      | ( ( ! [SY74: $i] :
              ~ ( member @ SY74 @ SV50 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[282]) ).

thf(297,plain,
    ! [SV56: $i,SV44: $i] :
      ( ( ! [SY83: $i] :
            ( ~ ( member @ SY83 @ SV44 )
            | ( member @ SY83 @ SV56 )
            | ( member @ SY83 @ ( difference @ SV44 @ SV56 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[283]) ).

thf(298,plain,
    ! [SV44: $i] :
      ( ( ~ ! [SY63: $i,SY64: $i] :
              ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
              | ( member @ SY64 @ SV44 ) )
        | ~ ! [SY65: $i,SY66: $i] :
              ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
              | ~ ( member @ SY66 @ SY65 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[284]) ).

thf(299,plain,
    ! [SV57: $i,SV45: $i] :
      ( ( ! [SY84: $i] :
            ( ~ ( member @ SY84 @ SV45 )
            | ~ ( member @ SY84 @ SV57 )
            | ( member @ SY84 @ ( intersection @ SV45 @ SV57 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[285]) ).

thf(300,plain,
    ! [SV45: $i] :
      ( ( ~ ! [SY69: $i,SY70: $i] :
              ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
              | ( member @ SY70 @ SV45 ) )
        | ~ ! [SY71: $i,SY72: $i] :
              ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
              | ( member @ SY72 @ SY71 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[286]) ).

thf(301,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ~ ( ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV51 )
            | ~ ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV58 ) )
        | ( subset @ SV51 @ SV58 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[287]) ).

thf(302,plain,
    ! [SV59: $i,SV52: $i] :
      ( ( ~ ( subset @ SV52 @ SV59 )
        | ! [SY85: $i] :
            ( ~ ( member @ SY85 @ SV52 )
            | ( member @ SY85 @ SV59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[288]) ).

thf(303,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
                | ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
            | ~ ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
                | ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) ) )
        | ( SV53 = SV60 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[289]) ).

thf(304,plain,
    ! [SV61: $i,SV54: $i] :
      ( ( ( SV54 != SV61 )
        | ~ ( ~ ! [SY86: $i] :
                  ( ~ ( member @ SY86 @ SV54 )
                  | ( member @ SY86 @ SV61 ) )
            | ~ ! [SY87: $i] :
                  ( ~ ( member @ SY87 @ SV61 )
                  | ( member @ SY87 @ SV54 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[290]) ).

thf(305,plain,
    ! [SV62: $i,SV55: $i] :
      ( ( ~ ( subset @ SV55 @ SV62 )
        | ~ ( subset @ SV62 @ SV55 )
        | ( SV55 = SV62 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[291]) ).

thf(306,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[292]) ).

thf(307,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[292]) ).

thf(308,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
              | ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) ) )
        = $false )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[294]) ).

thf(309,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ~ ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
              | ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) ) )
        = $false )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[294]) ).

thf(310,plain,
    ! [SV50: $i] :
      ( ( ( empty @ SV50 )
        = $false )
      | ( ( ! [SY74: $i] :
              ~ ( member @ SY74 @ SV50 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[296]) ).

thf(311,plain,
    ! [SV56: $i,SV44: $i,SV63: $i] :
      ( ( ~ ( member @ SV63 @ SV44 )
        | ( member @ SV63 @ SV56 )
        | ( member @ SV63 @ ( difference @ SV44 @ SV56 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[297]) ).

thf(312,plain,
    ! [SV44: $i] :
      ( ( ~ ! [SY63: $i,SY64: $i] :
              ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
              | ( member @ SY64 @ SV44 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[298]) ).

thf(313,plain,
    ! [SV44: $i] :
      ( ( ~ ! [SY65: $i,SY66: $i] :
              ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
              | ~ ( member @ SY66 @ SY65 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[298]) ).

thf(314,plain,
    ! [SV57: $i,SV45: $i,SV64: $i] :
      ( ( ~ ( member @ SV64 @ SV45 )
        | ~ ( member @ SV64 @ SV57 )
        | ( member @ SV64 @ ( intersection @ SV45 @ SV57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[299]) ).

thf(315,plain,
    ! [SV45: $i] :
      ( ( ~ ! [SY69: $i,SY70: $i] :
              ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
              | ( member @ SY70 @ SV45 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[300]) ).

thf(316,plain,
    ! [SV45: $i] :
      ( ( ~ ! [SY71: $i,SY72: $i] :
              ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
              | ( member @ SY72 @ SY71 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[300]) ).

thf(317,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV51 )
              | ~ ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV58 ) ) )
        = $true )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[301]) ).

thf(318,plain,
    ! [SV59: $i,SV52: $i] :
      ( ( ( ~ ( subset @ SV52 @ SV59 ) )
        = $true )
      | ( ( ! [SY85: $i] :
              ( ~ ( member @ SY85 @ SV52 )
              | ( member @ SY85 @ SV59 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[302]) ).

thf(319,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
                  | ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
              | ~ ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
                  | ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) ) ) )
        = $true )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[303]) ).

thf(320,plain,
    ! [SV61: $i,SV54: $i] :
      ( ( ( ( SV54 != SV61 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY86: $i] :
                    ( ~ ( member @ SY86 @ SV54 )
                    | ( member @ SY86 @ SV61 ) )
              | ~ ! [SY87: $i] :
                    ( ~ ( member @ SY87 @ SV61 )
                    | ( member @ SY87 @ SV54 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[304]) ).

thf(321,plain,
    ! [SV62: $i,SV55: $i] :
      ( ( ( ~ ( subset @ SV55 @ SV62 )
          | ~ ( subset @ SV62 @ SV55 ) )
        = $true )
      | ( ( SV55 = SV62 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[305]) ).

thf(322,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[306]) ).

thf(323,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[307]) ).

thf(324,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
          | ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
        = $true )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[308]) ).

thf(325,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
          | ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
        = $true )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[309]) ).

thf(326,plain,
    ! [SV50: $i,SV65: $i] :
      ( ( ( ~ ( member @ SV65 @ SV50 ) )
        = $true )
      | ( ( empty @ SV50 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[310]) ).

thf(327,plain,
    ! [SV56: $i,SV44: $i,SV63: $i] :
      ( ( ( ~ ( member @ SV63 @ SV44 )
          | ( member @ SV63 @ SV56 ) )
        = $true )
      | ( ( member @ SV63 @ ( difference @ SV44 @ SV56 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[311]) ).

thf(328,plain,
    ! [SV44: $i] :
      ( ( ! [SY63: $i,SY64: $i] :
            ( ~ ( member @ SY64 @ ( difference @ SV44 @ SY63 ) )
            | ( member @ SY64 @ SV44 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[312]) ).

thf(329,plain,
    ! [SV44: $i] :
      ( ( ! [SY65: $i,SY66: $i] :
            ( ~ ( member @ SY66 @ ( difference @ SV44 @ SY65 ) )
            | ~ ( member @ SY66 @ SY65 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[313]) ).

thf(330,plain,
    ! [SV57: $i,SV45: $i,SV64: $i] :
      ( ( ( ~ ( member @ SV64 @ SV45 )
          | ~ ( member @ SV64 @ SV57 ) )
        = $true )
      | ( ( member @ SV64 @ ( intersection @ SV45 @ SV57 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[314]) ).

thf(331,plain,
    ! [SV45: $i] :
      ( ( ! [SY69: $i,SY70: $i] :
            ( ~ ( member @ SY70 @ ( intersection @ SV45 @ SY69 ) )
            | ( member @ SY70 @ SV45 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[315]) ).

thf(332,plain,
    ! [SV45: $i] :
      ( ( ! [SY71: $i,SY72: $i] :
            ( ~ ( member @ SY72 @ ( intersection @ SV45 @ SY71 ) )
            | ( member @ SY72 @ SY71 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[316]) ).

thf(333,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV51 )
          | ~ ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV58 ) )
        = $false )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[317]) ).

thf(334,plain,
    ! [SV59: $i,SV52: $i] :
      ( ( ( subset @ SV52 @ SV59 )
        = $false )
      | ( ( ! [SY85: $i] :
              ( ~ ( member @ SY85 @ SV52 )
              | ( member @ SY85 @ SV59 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[318]) ).

thf(335,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
              | ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
          | ~ ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
              | ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) ) )
        = $false )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[319]) ).

thf(336,plain,
    ! [SV61: $i,SV54: $i] :
      ( ( ( SV54 = SV61 )
        = $false )
      | ( ( ~ ( ~ ! [SY86: $i] :
                    ( ~ ( member @ SY86 @ SV54 )
                    | ( member @ SY86 @ SV61 ) )
              | ~ ! [SY87: $i] :
                    ( ~ ( member @ SY87 @ SV61 )
                    | ( member @ SY87 @ SV54 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[320]) ).

thf(337,plain,
    ! [SV62: $i,SV55: $i] :
      ( ( ( ~ ( subset @ SV55 @ SV62 ) )
        = $true )
      | ( ( ~ ( subset @ SV62 @ SV55 ) )
        = $true )
      | ( ( SV55 = SV62 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[321]) ).

thf(338,plain,
    ! [SV66: $i] :
      ( ( ! [SY88: $i] :
            ( ( SV66 != SY88 )
            | ( subset @ SV66 @ SY88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[322]) ).

thf(339,plain,
    ! [SV67: $i] :
      ( ( ! [SY89: $i] :
            ( ( SV67 != SY89 )
            | ( subset @ SY89 @ SV67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[323]) ).

thf(340,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 ) )
        = $true )
      | ( ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
        = $true )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[324]) ).

thf(341,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
        = $true )
      | ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 )
        = $true )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[325]) ).

thf(342,plain,
    ! [SV50: $i,SV65: $i] :
      ( ( ( member @ SV65 @ SV50 )
        = $false )
      | ( ( empty @ SV50 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[326]) ).

thf(343,plain,
    ! [SV56: $i,SV44: $i,SV63: $i] :
      ( ( ( ~ ( member @ SV63 @ SV44 ) )
        = $true )
      | ( ( member @ SV63 @ SV56 )
        = $true )
      | ( ( member @ SV63 @ ( difference @ SV44 @ SV56 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[327]) ).

thf(344,plain,
    ! [SV68: $i,SV44: $i] :
      ( ( ! [SY90: $i] :
            ( ~ ( member @ SY90 @ ( difference @ SV44 @ SV68 ) )
            | ( member @ SY90 @ SV44 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[328]) ).

thf(345,plain,
    ! [SV69: $i,SV44: $i] :
      ( ( ! [SY91: $i] :
            ( ~ ( member @ SY91 @ ( difference @ SV44 @ SV69 ) )
            | ~ ( member @ SY91 @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[329]) ).

thf(346,plain,
    ! [SV57: $i,SV45: $i,SV64: $i] :
      ( ( ( ~ ( member @ SV64 @ SV45 ) )
        = $true )
      | ( ( ~ ( member @ SV64 @ SV57 ) )
        = $true )
      | ( ( member @ SV64 @ ( intersection @ SV45 @ SV57 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[330]) ).

thf(347,plain,
    ! [SV70: $i,SV45: $i] :
      ( ( ! [SY92: $i] :
            ( ~ ( member @ SY92 @ ( intersection @ SV45 @ SV70 ) )
            | ( member @ SY92 @ SV45 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[331]) ).

thf(348,plain,
    ! [SV71: $i,SV45: $i] :
      ( ( ! [SY93: $i] :
            ( ~ ( member @ SY93 @ ( intersection @ SV45 @ SV71 ) )
            | ( member @ SY93 @ SV71 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[332]) ).

thf(349,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV51 ) )
        = $false )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[333]) ).

thf(350,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( ~ ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV58 ) )
        = $false )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[333]) ).

thf(351,plain,
    ! [SV59: $i,SV52: $i,SV72: $i] :
      ( ( ( ~ ( member @ SV72 @ SV52 )
          | ( member @ SV72 @ SV59 ) )
        = $true )
      | ( ( subset @ SV52 @ SV59 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[334]) ).

thf(352,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
              | ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) ) )
        = $false )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[335]) ).

thf(353,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ~ ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
              | ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) ) )
        = $false )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[335]) ).

thf(354,plain,
    ! [SV61: $i,SV54: $i] :
      ( ( ( ~ ! [SY86: $i] :
                ( ~ ( member @ SY86 @ SV54 )
                | ( member @ SY86 @ SV61 ) )
          | ~ ! [SY87: $i] :
                ( ~ ( member @ SY87 @ SV61 )
                | ( member @ SY87 @ SV54 ) ) )
        = $false )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[336]) ).

thf(355,plain,
    ! [SV62: $i,SV55: $i] :
      ( ( ( subset @ SV55 @ SV62 )
        = $false )
      | ( ( ~ ( subset @ SV62 @ SV55 ) )
        = $true )
      | ( ( SV55 = SV62 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[337]) ).

thf(356,plain,
    ! [SV73: $i,SV66: $i] :
      ( ( ( SV66 != SV73 )
        | ( subset @ SV66 @ SV73 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[338]) ).

thf(357,plain,
    ! [SV74: $i,SV67: $i] :
      ( ( ( SV67 != SV74 )
        | ( subset @ SV74 @ SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[339]) ).

thf(358,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
        = $false )
      | ( ( ~ ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 ) )
        = $true )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[340]) ).

thf(359,plain,
    ! [SV56: $i,SV44: $i,SV63: $i] :
      ( ( ( member @ SV63 @ SV44 )
        = $false )
      | ( ( member @ SV63 @ SV56 )
        = $true )
      | ( ( member @ SV63 @ ( difference @ SV44 @ SV56 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[343]) ).

thf(360,plain,
    ! [SV68: $i,SV44: $i,SV75: $i] :
      ( ( ~ ( member @ SV75 @ ( difference @ SV44 @ SV68 ) )
        | ( member @ SV75 @ SV44 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[344]) ).

thf(361,plain,
    ! [SV69: $i,SV44: $i,SV76: $i] :
      ( ( ~ ( member @ SV76 @ ( difference @ SV44 @ SV69 ) )
        | ~ ( member @ SV76 @ SV69 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[345]) ).

thf(362,plain,
    ! [SV57: $i,SV45: $i,SV64: $i] :
      ( ( ( member @ SV64 @ SV45 )
        = $false )
      | ( ( ~ ( member @ SV64 @ SV57 ) )
        = $true )
      | ( ( member @ SV64 @ ( intersection @ SV45 @ SV57 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[346]) ).

thf(363,plain,
    ! [SV70: $i,SV45: $i,SV77: $i] :
      ( ( ~ ( member @ SV77 @ ( intersection @ SV45 @ SV70 ) )
        | ( member @ SV77 @ SV45 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[347]) ).

thf(364,plain,
    ! [SV71: $i,SV45: $i,SV78: $i] :
      ( ( ~ ( member @ SV78 @ ( intersection @ SV45 @ SV71 ) )
        | ( member @ SV78 @ SV71 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[348]) ).

thf(365,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV51 )
        = $true )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[349]) ).

thf(366,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV58 ) )
        = $true )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[350]) ).

thf(367,plain,
    ! [SV59: $i,SV52: $i,SV72: $i] :
      ( ( ( ~ ( member @ SV72 @ SV52 ) )
        = $true )
      | ( ( member @ SV72 @ SV59 )
        = $true )
      | ( ( subset @ SV52 @ SV59 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[351]) ).

thf(368,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
          | ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
        = $true )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[352]) ).

thf(369,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
          | ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
        = $true )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[353]) ).

thf(370,plain,
    ! [SV61: $i,SV54: $i] :
      ( ( ( ~ ! [SY86: $i] :
                ( ~ ( member @ SY86 @ SV54 )
                | ( member @ SY86 @ SV61 ) ) )
        = $false )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[354]) ).

thf(371,plain,
    ! [SV54: $i,SV61: $i] :
      ( ( ( ~ ! [SY87: $i] :
                ( ~ ( member @ SY87 @ SV61 )
                | ( member @ SY87 @ SV54 ) ) )
        = $false )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[354]) ).

thf(372,plain,
    ! [SV55: $i,SV62: $i] :
      ( ( ( subset @ SV62 @ SV55 )
        = $false )
      | ( ( subset @ SV55 @ SV62 )
        = $false )
      | ( ( SV55 = SV62 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[355]) ).

thf(373,plain,
    ! [SV73: $i,SV66: $i] :
      ( ( ( ( SV66 != SV73 ) )
        = $true )
      | ( ( subset @ SV66 @ SV73 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[356]) ).

thf(374,plain,
    ! [SV74: $i,SV67: $i] :
      ( ( ( ( SV67 != SV74 ) )
        = $true )
      | ( ( subset @ SV74 @ SV67 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[357]) ).

thf(375,plain,
    ! [SV46: $i,SV48: $i] :
      ( ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV48 )
        = $false )
      | ( ( member @ ( sK6_D @ SV48 @ SV46 ) @ SV46 )
        = $false )
      | ( ( SV46 = SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[358]) ).

thf(376,plain,
    ! [SV68: $i,SV44: $i,SV75: $i] :
      ( ( ( ~ ( member @ SV75 @ ( difference @ SV44 @ SV68 ) ) )
        = $true )
      | ( ( member @ SV75 @ SV44 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[360]) ).

thf(377,plain,
    ! [SV69: $i,SV44: $i,SV76: $i] :
      ( ( ( ~ ( member @ SV76 @ ( difference @ SV44 @ SV69 ) ) )
        = $true )
      | ( ( ~ ( member @ SV76 @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[361]) ).

thf(378,plain,
    ! [SV45: $i,SV57: $i,SV64: $i] :
      ( ( ( member @ SV64 @ SV57 )
        = $false )
      | ( ( member @ SV64 @ SV45 )
        = $false )
      | ( ( member @ SV64 @ ( intersection @ SV45 @ SV57 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[362]) ).

thf(379,plain,
    ! [SV70: $i,SV45: $i,SV77: $i] :
      ( ( ( ~ ( member @ SV77 @ ( intersection @ SV45 @ SV70 ) ) )
        = $true )
      | ( ( member @ SV77 @ SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[363]) ).

thf(380,plain,
    ! [SV71: $i,SV45: $i,SV78: $i] :
      ( ( ( ~ ( member @ SV78 @ ( intersection @ SV45 @ SV71 ) ) )
        = $true )
      | ( ( member @ SV78 @ SV71 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[364]) ).

thf(381,plain,
    ! [SV51: $i,SV58: $i] :
      ( ( ( member @ ( sK4_D @ SV58 @ SV51 ) @ SV58 )
        = $false )
      | ( ( subset @ SV51 @ SV58 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[366]) ).

thf(382,plain,
    ! [SV59: $i,SV52: $i,SV72: $i] :
      ( ( ( member @ SV72 @ SV52 )
        = $false )
      | ( ( member @ SV72 @ SV59 )
        = $true )
      | ( ( subset @ SV52 @ SV59 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[367]) ).

thf(383,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 ) )
        = $true )
      | ( ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
        = $true )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[368]) ).

thf(384,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
        = $true )
      | ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 )
        = $true )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[369]) ).

thf(385,plain,
    ! [SV61: $i,SV54: $i] :
      ( ( ( ! [SY86: $i] :
              ( ~ ( member @ SY86 @ SV54 )
              | ( member @ SY86 @ SV61 ) ) )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[370]) ).

thf(386,plain,
    ! [SV54: $i,SV61: $i] :
      ( ( ( ! [SY87: $i] :
              ( ~ ( member @ SY87 @ SV61 )
              | ( member @ SY87 @ SV54 ) ) )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[371]) ).

thf(387,plain,
    ! [SV73: $i,SV66: $i] :
      ( ( ( SV66 = SV73 )
        = $false )
      | ( ( subset @ SV66 @ SV73 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[373]) ).

thf(388,plain,
    ! [SV74: $i,SV67: $i] :
      ( ( ( SV67 = SV74 )
        = $false )
      | ( ( subset @ SV74 @ SV67 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[374]) ).

thf(389,plain,
    ! [SV68: $i,SV44: $i,SV75: $i] :
      ( ( ( member @ SV75 @ ( difference @ SV44 @ SV68 ) )
        = $false )
      | ( ( member @ SV75 @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[376]) ).

thf(390,plain,
    ! [SV69: $i,SV44: $i,SV76: $i] :
      ( ( ( member @ SV76 @ ( difference @ SV44 @ SV69 ) )
        = $false )
      | ( ( ~ ( member @ SV76 @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[377]) ).

thf(391,plain,
    ! [SV70: $i,SV45: $i,SV77: $i] :
      ( ( ( member @ SV77 @ ( intersection @ SV45 @ SV70 ) )
        = $false )
      | ( ( member @ SV77 @ SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[379]) ).

thf(392,plain,
    ! [SV71: $i,SV45: $i,SV78: $i] :
      ( ( ( member @ SV78 @ ( intersection @ SV45 @ SV71 ) )
        = $false )
      | ( ( member @ SV78 @ SV71 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[380]) ).

thf(393,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
        = $false )
      | ( ( ~ ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 ) )
        = $true )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[383]) ).

thf(394,plain,
    ! [SV61: $i,SV54: $i,SV79: $i] :
      ( ( ( ~ ( member @ SV79 @ SV54 )
          | ( member @ SV79 @ SV61 ) )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[385]) ).

thf(395,plain,
    ! [SV54: $i,SV61: $i,SV80: $i] :
      ( ( ( ~ ( member @ SV80 @ SV61 )
          | ( member @ SV80 @ SV54 ) )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[386]) ).

thf(396,plain,
    ! [SV44: $i,SV69: $i,SV76: $i] :
      ( ( ( member @ SV76 @ SV69 )
        = $false )
      | ( ( member @ SV76 @ ( difference @ SV44 @ SV69 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[390]) ).

thf(397,plain,
    ! [SV53: $i,SV60: $i] :
      ( ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV60 )
        = $false )
      | ( ( member @ ( sK5_D @ SV60 @ SV53 ) @ SV53 )
        = $false )
      | ( ( SV53 = SV60 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[393]) ).

thf(398,plain,
    ! [SV61: $i,SV54: $i,SV79: $i] :
      ( ( ( ~ ( member @ SV79 @ SV54 ) )
        = $true )
      | ( ( member @ SV79 @ SV61 )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[394]) ).

thf(399,plain,
    ! [SV54: $i,SV61: $i,SV80: $i] :
      ( ( ( ~ ( member @ SV80 @ SV61 ) )
        = $true )
      | ( ( member @ SV80 @ SV54 )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[395]) ).

thf(400,plain,
    ! [SV61: $i,SV54: $i,SV79: $i] :
      ( ( ( member @ SV79 @ SV54 )
        = $false )
      | ( ( member @ SV79 @ SV61 )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[398]) ).

thf(401,plain,
    ! [SV54: $i,SV61: $i,SV80: $i] :
      ( ( ( member @ SV80 @ SV61 )
        = $false )
      | ( ( member @ SV80 @ SV54 )
        = $true )
      | ( ( SV54 = SV61 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[399]) ).

thf(402,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[242,401,400,397,396,392,391,389,388,387,384,382,381,378,375,372,365,359,342,341,295,293,278,252,251]) ).

thf(403,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[402,220]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SET611+3 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.33  % Computer : n007.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 14:16:02 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  
% 0.12/0.34   No.of.Axioms: 10
% 0.12/0.34  
% 0.12/0.34   Length.of.Defs: 0
% 0.12/0.34  
% 0.12/0.34   Contains.Choice.Funs: false
% 0.12/0.35  (rf:0,axioms:10,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:12,loop_count:0,foatp_calls:0,translation:fof_full)........................
% 31.99/32.36  
% 31.99/32.36  ********************************
% 31.99/32.36  *   All subproblems solved!    *
% 31.99/32.36  ********************************
% 31.99/32.36  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:10,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:43,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:402,loop_count:0,foatp_calls:1,translation:fof_full)
% 32.22/32.42  
% 32.22/32.42  %**** Beginning of derivation protocol ****
% 32.22/32.42  % SZS output start CNFRefutation
% See solution above
% 32.22/32.42  
% 32.22/32.42  %**** End of derivation protocol ****
% 32.22/32.42  %**** no. of clauses in derivation: 403 ****
% 32.22/32.42  %**** clause counter: 402 ****
% 32.22/32.42  
% 32.22/32.42  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:10,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:43,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:402,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------