TSTP Solution File: SET148+4 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET148+4 : 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 : n028.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 03:00:18 EDT 2022

% Result   : Theorem 13.61s 13.78s
% Output   : CNFRefutation 13.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   28
% Syntax   : Number of formulae    :  291 ( 179 unt;  16 typ;   0 def)
%            Number of atoms       : 1579 ( 443 equ;   0 cnn)
%            Maximal formula atoms :    3 (   5 avg)
%            Number of connectives : 3331 ( 609   ~; 506   |;  44   &;2148   @)
%                                         (  20 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   24 (  24   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   19 (  16 usr;   4 con; 0-2 aty)
%            Number of variables   :  859 (   0   ^ 857   !;   2   ?; 859   :)

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

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

thf(tp_equal_set,type,
    equal_set: $i > $i > $o ).

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

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

thf(tp_power_set,type,
    power_set: $i > $i ).

thf(tp_product,type,
    product: $i > $i ).

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

thf(tp_sK2_Y,type,
    sK2_Y: $i > $i > $i ).

thf(tp_sK3_Y,type,
    sK3_Y: $i > $i > $i ).

thf(tp_sK4_X,type,
    sK4_X: $i > $i > $i ).

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

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

thf(tp_sum,type,
    sum: $i > $i ).

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

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

thf(1,axiom,
    ! [X: $i,A: $i] :
      ( ( member @ X @ ( product @ A ) )
    <=> ! [Y: $i] :
          ( ( member @ Y @ A )
         => ( member @ X @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',product) ).

thf(2,axiom,
    ! [X: $i,A: $i] :
      ( ( member @ X @ ( sum @ A ) )
    <=> ? [Y: $i] :
          ( ( member @ Y @ A )
          & ( member @ X @ Y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',sum) ).

thf(3,axiom,
    ! [X: $i,A: $i,B: $i] :
      ( ( member @ X @ ( unordered_pair @ A @ B ) )
    <=> ( ( X = A )
        | ( X = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair) ).

thf(4,axiom,
    ! [X: $i,A: $i] :
      ( ( member @ X @ ( singleton @ A ) )
    <=> ( X = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton) ).

thf(5,axiom,
    ! [B: $i,A: $i,E: $i] :
      ( ( member @ B @ ( difference @ E @ A ) )
    <=> ( ( member @ B @ E )
        & ~ ( member @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference) ).

thf(6,axiom,
    ! [X: $i] :
      ~ ( member @ X @ empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_set) ).

thf(7,axiom,
    ! [X: $i,A: $i,B: $i] :
      ( ( member @ X @ ( union @ A @ B ) )
    <=> ( ( member @ X @ A )
        | ( member @ X @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',union) ).

thf(8,axiom,
    ! [X: $i,A: $i,B: $i] :
      ( ( member @ X @ ( intersection @ A @ B ) )
    <=> ( ( member @ X @ A )
        & ( member @ X @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection) ).

thf(9,axiom,
    ! [X: $i,A: $i] :
      ( ( member @ X @ ( power_set @ A ) )
    <=> ( subset @ X @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',power_set) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ( equal_set @ A @ B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_set) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [X: $i] :
          ( ( member @ X @ A )
         => ( member @ X @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset) ).

thf(12,conjecture,
    ! [A: $i] : ( equal_set @ ( intersection @ A @ A ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thI13) ).

thf(13,negated_conjecture,
    ( ( ! [A: $i] : ( equal_set @ ( intersection @ A @ A ) @ A ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[12]) ).

thf(14,plain,
    ( ( ! [A: $i] : ( equal_set @ ( intersection @ A @ A ) @ A ) )
    = $false ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(15,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( member @ X @ ( product @ A ) )
        <=> ! [Y: $i] :
              ( ( member @ Y @ A )
             => ( member @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(16,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( member @ X @ ( sum @ A ) )
        <=> ? [Y: $i] :
              ( ( member @ Y @ A )
              & ( member @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(17,plain,
    ( ( ! [X: $i,A: $i,B: $i] :
          ( ( member @ X @ ( unordered_pair @ A @ B ) )
        <=> ( ( X = A )
            | ( X = B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(18,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( member @ X @ ( singleton @ A ) )
        <=> ( X = A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(19,plain,
    ( ( ! [B: $i,A: $i,E: $i] :
          ( ( member @ B @ ( difference @ E @ A ) )
        <=> ( ( member @ B @ E )
            & ~ ( member @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(20,plain,
    ( ( ! [X: $i] :
          ~ ( member @ X @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(21,plain,
    ( ( ! [X: $i,A: $i,B: $i] :
          ( ( member @ X @ ( union @ A @ B ) )
        <=> ( ( member @ X @ A )
            | ( member @ X @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(22,plain,
    ( ( ! [X: $i,A: $i,B: $i] :
          ( ( member @ X @ ( intersection @ A @ B ) )
        <=> ( ( member @ X @ A )
            & ( member @ X @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(23,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( member @ X @ ( power_set @ A ) )
        <=> ( subset @ X @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(24,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( equal_set @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(25,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [X: $i] :
              ( ( member @ X @ A )
             => ( member @ X @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(26,plain,
    ( ( equal_set @ ( intersection @ sK1_A @ sK1_A ) @ sK1_A )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[14]) ).

thf(27,plain,
    ( ( ~ ( equal_set @ ( intersection @ sK1_A @ sK1_A ) @ sK1_A ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[26]) ).

thf(28,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( ( member @ ( sK2_Y @ A @ X ) @ A )
            & ~ ( member @ X @ ( sK2_Y @ A @ X ) ) )
          | ( member @ X @ ( product @ A ) ) )
      & ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( product @ A ) )
          | ! [Y: $i] :
              ( ~ ( member @ Y @ A )
              | ( member @ X @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[15]) ).

thf(29,plain,
    ( ( ! [X: $i,A: $i] :
          ( ! [Y: $i] :
              ( ~ ( member @ Y @ A )
              | ~ ( member @ X @ Y ) )
          | ( member @ X @ ( sum @ A ) ) )
      & ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( sum @ A ) )
          | ( ( member @ ( sK3_Y @ A @ X ) @ A )
            & ( member @ X @ ( sK3_Y @ A @ X ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[16]) ).

thf(30,plain,
    ( ( ! [X: $i] :
          ( ! [A: $i,B: $i] :
              ( ~ ( member @ X @ ( unordered_pair @ A @ B ) )
              | ( X = A )
              | ( X = B ) )
          & ! [A: $i] :
              ( ( X != A )
              | ! [B: $i] : ( member @ X @ ( unordered_pair @ A @ B ) ) )
          & ! [A: $i,B: $i] :
              ( ( X != B )
              | ( member @ X @ ( unordered_pair @ A @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[17]) ).

thf(31,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( X != A )
          | ( member @ X @ ( singleton @ A ) ) )
      & ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( singleton @ A ) )
          | ( X = A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[18]) ).

thf(32,plain,
    ( ( ! [B: $i] :
          ( ! [A: $i,E: $i] :
              ( ~ ( member @ B @ E )
              | ( member @ B @ A )
              | ( member @ B @ ( difference @ E @ A ) ) )
          & ! [A: $i,E: $i] :
              ( ~ ( member @ B @ ( difference @ E @ A ) )
              | ( member @ B @ E ) )
          & ! [A: $i] :
              ( ! [E: $i] :
                  ~ ( member @ B @ ( difference @ E @ A ) )
              | ~ ( member @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[19]) ).

thf(33,plain,
    ( ( ! [X: $i] :
          ( ! [A: $i,B: $i] :
              ( ~ ( member @ X @ ( union @ A @ B ) )
              | ( member @ X @ A )
              | ( member @ X @ B ) )
          & ! [A: $i] :
              ( ~ ( member @ X @ A )
              | ! [B: $i] : ( member @ X @ ( union @ A @ B ) ) )
          & ! [A: $i,B: $i] :
              ( ~ ( member @ X @ B )
              | ( member @ X @ ( union @ A @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[21]) ).

thf(34,plain,
    ( ( ! [X: $i] :
          ( ! [A: $i,B: $i] :
              ( ~ ( member @ X @ A )
              | ~ ( member @ X @ B )
              | ( member @ X @ ( intersection @ A @ B ) ) )
          & ! [A: $i] :
              ( ! [B: $i] :
                  ~ ( member @ X @ ( intersection @ A @ B ) )
              | ( member @ X @ A ) )
          & ! [A: $i,B: $i] :
              ( ~ ( member @ X @ ( intersection @ A @ B ) )
              | ( member @ X @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[22]) ).

thf(35,plain,
    ( ( ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( power_set @ A ) )
          | ( subset @ X @ A ) )
      & ! [X: $i,A: $i] :
          ( ~ ( subset @ X @ A )
          | ( member @ X @ ( power_set @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[23]) ).

thf(36,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( equal_set @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( equal_set @ A @ B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( equal_set @ A @ B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[24]) ).

thf(37,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( member @ ( sK4_X @ B @ A ) @ A )
            & ~ ( member @ ( sK4_X @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [X: $i] :
              ( ~ ( member @ X @ A )
              | ( member @ X @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[25]) ).

thf(38,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( member @ ( sK4_X @ B @ A ) @ A )
            & ~ ( member @ ( sK4_X @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [X: $i] :
              ( ~ ( member @ X @ A )
              | ( member @ X @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(39,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( equal_set @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( equal_set @ A @ B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( equal_set @ A @ B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(40,plain,
    ( ( ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( power_set @ A ) )
          | ( subset @ X @ A ) )
      & ! [X: $i,A: $i] :
          ( ~ ( subset @ X @ A )
          | ( member @ X @ ( power_set @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(41,plain,
    ( ( ! [X: $i] :
          ( ! [A: $i,B: $i] :
              ( ~ ( member @ X @ A )
              | ~ ( member @ X @ B )
              | ( member @ X @ ( intersection @ A @ B ) ) )
          & ! [A: $i] :
              ( ! [B: $i] :
                  ~ ( member @ X @ ( intersection @ A @ B ) )
              | ( member @ X @ A ) )
          & ! [A: $i,B: $i] :
              ( ~ ( member @ X @ ( intersection @ A @ B ) )
              | ( member @ X @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[34]) ).

thf(42,plain,
    ( ( ! [X: $i] :
          ( ! [A: $i,B: $i] :
              ( ~ ( member @ X @ ( union @ A @ B ) )
              | ( member @ X @ A )
              | ( member @ X @ B ) )
          & ! [A: $i] :
              ( ~ ( member @ X @ A )
              | ! [B: $i] : ( member @ X @ ( union @ A @ B ) ) )
          & ! [A: $i,B: $i] :
              ( ~ ( member @ X @ B )
              | ( member @ X @ ( union @ A @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(43,plain,
    ( ( ! [X: $i] :
          ~ ( member @ X @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[20]) ).

thf(44,plain,
    ( ( ! [B: $i] :
          ( ! [A: $i,E: $i] :
              ( ~ ( member @ B @ E )
              | ( member @ B @ A )
              | ( member @ B @ ( difference @ E @ A ) ) )
          & ! [A: $i,E: $i] :
              ( ~ ( member @ B @ ( difference @ E @ A ) )
              | ( member @ B @ E ) )
          & ! [A: $i] :
              ( ! [E: $i] :
                  ~ ( member @ B @ ( difference @ E @ A ) )
              | ~ ( member @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(45,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( X != A )
          | ( member @ X @ ( singleton @ A ) ) )
      & ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( singleton @ A ) )
          | ( X = A ) ) )
    = $true ),
    inference(copy,[status(thm)],[31]) ).

thf(46,plain,
    ( ( ! [X: $i] :
          ( ! [A: $i,B: $i] :
              ( ~ ( member @ X @ ( unordered_pair @ A @ B ) )
              | ( X = A )
              | ( X = B ) )
          & ! [A: $i] :
              ( ( X != A )
              | ! [B: $i] : ( member @ X @ ( unordered_pair @ A @ B ) ) )
          & ! [A: $i,B: $i] :
              ( ( X != B )
              | ( member @ X @ ( unordered_pair @ A @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(47,plain,
    ( ( ! [X: $i,A: $i] :
          ( ! [Y: $i] :
              ( ~ ( member @ Y @ A )
              | ~ ( member @ X @ Y ) )
          | ( member @ X @ ( sum @ A ) ) )
      & ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( sum @ A ) )
          | ( ( member @ ( sK3_Y @ A @ X ) @ A )
            & ( member @ X @ ( sK3_Y @ A @ X ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(48,plain,
    ( ( ! [X: $i,A: $i] :
          ( ( ( member @ ( sK2_Y @ A @ X ) @ A )
            & ~ ( member @ X @ ( sK2_Y @ A @ X ) ) )
          | ( member @ X @ ( product @ A ) ) )
      & ! [X: $i,A: $i] :
          ( ~ ( member @ X @ ( product @ A ) )
          | ! [Y: $i] :
              ( ~ ( member @ Y @ A )
              | ( member @ X @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[28]) ).

thf(49,plain,
    ( ( ~ ( equal_set @ ( intersection @ sK1_A @ sK1_A ) @ sK1_A ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(50,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( equal_set @ SX0 @ SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( equal_set @ SX0 @ SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ~ ( equal_set @ SX0 @ SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(51,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) )
                  | ( SX0 = SX1 )
                  | ( SX0 = SX2 ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ( SX0 != SX1 )
                        | ! [SX2: $i] : ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ( SX0 != SX2 )
                        | ( member @ SX0 @ ( unordered_pair @ SX1 @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(52,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX0 @ ( union @ SX1 @ SX2 ) )
                  | ( member @ SX0 @ SX1 )
                  | ( member @ SX0 @ SX2 ) )
            | ~ ~ ( ~ ! [SX1: $i] :
                        ( ~ ( member @ SX0 @ SX1 )
                        | ! [SX2: $i] : ( member @ SX0 @ ( union @ SX1 @ SX2 ) ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX0 @ SX2 )
                        | ( member @ SX0 @ ( union @ SX1 @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

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

thf(54,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX0 @ SX2 )
                  | ( member @ SX0 @ SX1 )
                  | ( member @ SX0 @ ( difference @ SX2 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX0 @ ( difference @ SX2 @ SX1 ) )
                        | ( member @ SX0 @ SX2 ) )
                  | ~ ! [SX1: $i] :
                        ( ! [SX2: $i] :
                            ~ ( member @ SX0 @ ( difference @ SX2 @ SX1 ) )
                        | ~ ( member @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(55,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX1 )
                    | ~ ( member @ SX0 @ SX2 ) )
                | ( member @ SX0 @ ( sum @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ ( sum @ SX1 ) )
                | ~ ( ~ ( member @ ( sK3_Y @ SX1 @ SX0 ) @ SX1 )
                    | ~ ( member @ SX0 @ ( sK3_Y @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(56,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( member @ SX0 @ ( singleton @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(57,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK2_Y @ SX1 @ SX0 ) @ SX1 )
                    | ~ ~ ( member @ SX0 @ ( sK2_Y @ SX1 @ SX0 ) ) )
                | ( member @ SX0 @ ( product @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ ( product @ SX1 ) )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX1 )
                    | ( member @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(58,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK4_X @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK4_X @ 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)],[38]) ).

thf(59,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( member @ SX0 @ ( power_set @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ( member @ SX0 @ ( power_set @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(60,plain,
    ! [SV1: $i] :
      ( ( ~ ( member @ SV1 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[43]) ).

thf(61,plain,
    ( ( equal_set @ ( intersection @ sK1_A @ sK1_A ) @ sK1_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[49]) ).

thf(62,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( equal_set @ SX0 @ SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( equal_set @ SX0 @ SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( equal_set @ SX0 @ SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(63,plain,
    ! [SV2: $i] :
      ( ( ~ ( ~ ! [SY29: $i,SY30: $i] :
                  ( ~ ( member @ SV2 @ ( unordered_pair @ SY29 @ SY30 ) )
                  | ( SV2 = SY29 )
                  | ( SV2 = SY30 ) )
            | ~ ~ ( ~ ! [SY31: $i] :
                        ( ( SV2 != SY31 )
                        | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) )
                  | ~ ! [SY33: $i,SY34: $i] :
                        ( ( SV2 != SY34 )
                        | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[51]) ).

thf(64,plain,
    ! [SV3: $i] :
      ( ( ~ ( ~ ! [SY35: $i,SY36: $i] :
                  ( ~ ( member @ SV3 @ ( union @ SY35 @ SY36 ) )
                  | ( member @ SV3 @ SY35 )
                  | ( member @ SV3 @ SY36 ) )
            | ~ ~ ( ~ ! [SY37: $i] :
                        ( ~ ( member @ SV3 @ SY37 )
                        | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) )
                  | ~ ! [SY39: $i,SY40: $i] :
                        ( ~ ( member @ SV3 @ SY40 )
                        | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[52]) ).

thf(65,plain,
    ! [SV4: $i] :
      ( ( ~ ( ~ ! [SY41: $i,SY42: $i] :
                  ( ~ ( member @ SV4 @ SY41 )
                  | ~ ( member @ SV4 @ SY42 )
                  | ( member @ SV4 @ ( intersection @ SY41 @ SY42 ) ) )
            | ~ ~ ( ~ ! [SY43: $i] :
                        ( ! [SY44: $i] :
                            ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
                        | ( member @ SV4 @ SY43 ) )
                  | ~ ! [SY45: $i,SY46: $i] :
                        ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
                        | ( member @ SV4 @ SY46 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[53]) ).

thf(66,plain,
    ! [SV5: $i] :
      ( ( ~ ( ~ ! [SY47: $i,SY48: $i] :
                  ( ~ ( member @ SV5 @ SY48 )
                  | ( member @ SV5 @ SY47 )
                  | ( member @ SV5 @ ( difference @ SY48 @ SY47 ) ) )
            | ~ ~ ( ~ ! [SY49: $i,SY50: $i] :
                        ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
                        | ( member @ SV5 @ SY50 ) )
                  | ~ ! [SY51: $i] :
                        ( ! [SY52: $i] :
                            ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
                        | ~ ( member @ SV5 @ SY51 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[54]) ).

thf(67,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX1 )
                | ~ ( member @ SX0 @ SX2 ) )
            | ( member @ SX0 @ ( sum @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( sum @ SX1 ) )
            | ~ ( ~ ( member @ ( sK3_Y @ SX1 @ SX0 ) @ SX1 )
                | ~ ( member @ SX0 @ ( sK3_Y @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(68,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( member @ SX0 @ ( singleton @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(69,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK2_Y @ SX1 @ SX0 ) @ SX1 )
                | ~ ~ ( member @ SX0 @ ( sK2_Y @ SX1 @ SX0 ) ) )
            | ( member @ SX0 @ ( product @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( product @ SX1 ) )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX1 )
                | ( member @ SX0 @ SX2 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[57]) ).

thf(70,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_X @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK4_X @ 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)],[58]) ).

thf(71,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( power_set @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( member @ SX0 @ ( power_set @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[59]) ).

thf(72,plain,
    ! [SV1: $i] :
      ( ( member @ SV1 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(73,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( equal_set @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[62]) ).

thf(74,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( equal_set @ SX0 @ SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ~ ( equal_set @ SX0 @ SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[62]) ).

thf(75,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY29: $i,SY30: $i] :
              ( ~ ( member @ SV2 @ ( unordered_pair @ SY29 @ SY30 ) )
              | ( SV2 = SY29 )
              | ( SV2 = SY30 ) )
        | ~ ~ ( ~ ! [SY31: $i] :
                    ( ( SV2 != SY31 )
                    | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) )
              | ~ ! [SY33: $i,SY34: $i] :
                    ( ( SV2 != SY34 )
                    | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[63]) ).

thf(76,plain,
    ! [SV3: $i] :
      ( ( ~ ! [SY35: $i,SY36: $i] :
              ( ~ ( member @ SV3 @ ( union @ SY35 @ SY36 ) )
              | ( member @ SV3 @ SY35 )
              | ( member @ SV3 @ SY36 ) )
        | ~ ~ ( ~ ! [SY37: $i] :
                    ( ~ ( member @ SV3 @ SY37 )
                    | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) )
              | ~ ! [SY39: $i,SY40: $i] :
                    ( ~ ( member @ SV3 @ SY40 )
                    | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[64]) ).

thf(77,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY41: $i,SY42: $i] :
              ( ~ ( member @ SV4 @ SY41 )
              | ~ ( member @ SV4 @ SY42 )
              | ( member @ SV4 @ ( intersection @ SY41 @ SY42 ) ) )
        | ~ ~ ( ~ ! [SY43: $i] :
                    ( ! [SY44: $i] :
                        ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
                    | ( member @ SV4 @ SY43 ) )
              | ~ ! [SY45: $i,SY46: $i] :
                    ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
                    | ( member @ SV4 @ SY46 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[65]) ).

thf(78,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY47: $i,SY48: $i] :
              ( ~ ( member @ SV5 @ SY48 )
              | ( member @ SV5 @ SY47 )
              | ( member @ SV5 @ ( difference @ SY48 @ SY47 ) ) )
        | ~ ~ ( ~ ! [SY49: $i,SY50: $i] :
                    ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
                    | ( member @ SV5 @ SY50 ) )
              | ~ ! [SY51: $i] :
                    ( ! [SY52: $i] :
                        ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
                    | ~ ( member @ SV5 @ SY51 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[66]) ).

thf(79,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX1 )
                | ~ ( member @ SX0 @ SX2 ) )
            | ( member @ SX0 @ ( sum @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[67]) ).

thf(80,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( sum @ SX1 ) )
            | ~ ( ~ ( member @ ( sK3_Y @ SX1 @ SX0 ) @ SX1 )
                | ~ ( member @ SX0 @ ( sK3_Y @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[67]) ).

thf(81,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( member @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[68]) ).

thf(82,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[68]) ).

thf(83,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK2_Y @ SX1 @ SX0 ) @ SX1 )
                | ~ ~ ( member @ SX0 @ ( sK2_Y @ SX1 @ SX0 ) ) )
            | ( member @ SX0 @ ( product @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[69]) ).

thf(84,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( product @ SX1 ) )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX1 )
                | ( member @ SX0 @ SX2 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[69]) ).

thf(85,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK4_X @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK4_X @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[70]) ).

thf(86,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[70]) ).

thf(87,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( member @ SX0 @ ( power_set @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[71]) ).

thf(88,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( member @ SX0 @ ( power_set @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[71]) ).

thf(89,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( equal_set @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[73]) ).

thf(90,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( equal_set @ SX0 @ SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( equal_set @ SX0 @ SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[74]) ).

thf(91,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY29: $i,SY30: $i] :
              ( ~ ( member @ SV2 @ ( unordered_pair @ SY29 @ SY30 ) )
              | ( SV2 = SY29 )
              | ( SV2 = SY30 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[75]) ).

thf(92,plain,
    ! [SV2: $i] :
      ( ( ~ ~ ( ~ ! [SY31: $i] :
                    ( ( SV2 != SY31 )
                    | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) )
              | ~ ! [SY33: $i,SY34: $i] :
                    ( ( SV2 != SY34 )
                    | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[75]) ).

thf(93,plain,
    ! [SV3: $i] :
      ( ( ~ ! [SY35: $i,SY36: $i] :
              ( ~ ( member @ SV3 @ ( union @ SY35 @ SY36 ) )
              | ( member @ SV3 @ SY35 )
              | ( member @ SV3 @ SY36 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[76]) ).

thf(94,plain,
    ! [SV3: $i] :
      ( ( ~ ~ ( ~ ! [SY37: $i] :
                    ( ~ ( member @ SV3 @ SY37 )
                    | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) )
              | ~ ! [SY39: $i,SY40: $i] :
                    ( ~ ( member @ SV3 @ SY40 )
                    | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[76]) ).

thf(95,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY41: $i,SY42: $i] :
              ( ~ ( member @ SV4 @ SY41 )
              | ~ ( member @ SV4 @ SY42 )
              | ( member @ SV4 @ ( intersection @ SY41 @ SY42 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[77]) ).

thf(96,plain,
    ! [SV4: $i] :
      ( ( ~ ~ ( ~ ! [SY43: $i] :
                    ( ! [SY44: $i] :
                        ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
                    | ( member @ SV4 @ SY43 ) )
              | ~ ! [SY45: $i,SY46: $i] :
                    ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
                    | ( member @ SV4 @ SY46 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[77]) ).

thf(97,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY47: $i,SY48: $i] :
              ( ~ ( member @ SV5 @ SY48 )
              | ( member @ SV5 @ SY47 )
              | ( member @ SV5 @ ( difference @ SY48 @ SY47 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[78]) ).

thf(98,plain,
    ! [SV5: $i] :
      ( ( ~ ~ ( ~ ! [SY49: $i,SY50: $i] :
                    ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
                    | ( member @ SV5 @ SY50 ) )
              | ~ ! [SY51: $i] :
                    ( ! [SY52: $i] :
                        ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
                    | ~ ( member @ SV5 @ SY51 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[78]) ).

thf(99,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX1 )
              | ~ ( member @ SX0 @ SX2 ) )
          | ( member @ SX0 @ ( sum @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[79]) ).

thf(100,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ ( sum @ SX1 ) )
          | ~ ( ~ ( member @ ( sK3_Y @ SX1 @ SX0 ) @ SX1 )
              | ~ ( member @ SX0 @ ( sK3_Y @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[80]) ).

thf(101,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( member @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[81]) ).

thf(102,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[82]) ).

thf(103,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK2_Y @ SX1 @ SX0 ) @ SX1 )
              | ~ ~ ( member @ SX0 @ ( sK2_Y @ SX1 @ SX0 ) ) )
          | ( member @ SX0 @ ( product @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[83]) ).

thf(104,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ ( product @ SX1 ) )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX1 )
              | ( member @ SX0 @ SX2 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[84]) ).

thf(105,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK4_X @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK4_X @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[85]) ).

thf(106,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[86]) ).

thf(107,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( member @ SX0 @ ( power_set @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[87]) ).

thf(108,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( member @ SX0 @ ( power_set @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[88]) ).

thf(109,plain,
    ! [SV6: $i] :
      ( ( ! [SY53: $i] :
            ( ~ ( subset @ SV6 @ SY53 )
            | ~ ( subset @ SY53 @ SV6 )
            | ( equal_set @ SV6 @ SY53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[89]) ).

thf(110,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( equal_set @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( equal_set @ SX0 @ SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[90]) ).

thf(111,plain,
    ! [SV2: $i] :
      ( ( ! [SY29: $i,SY30: $i] :
            ( ~ ( member @ SV2 @ ( unordered_pair @ SY29 @ SY30 ) )
            | ( SV2 = SY29 )
            | ( SV2 = SY30 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[91]) ).

thf(112,plain,
    ! [SV2: $i] :
      ( ( ~ ( ~ ! [SY31: $i] :
                  ( ( SV2 != SY31 )
                  | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) )
            | ~ ! [SY33: $i,SY34: $i] :
                  ( ( SV2 != SY34 )
                  | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[92]) ).

thf(113,plain,
    ! [SV3: $i] :
      ( ( ! [SY35: $i,SY36: $i] :
            ( ~ ( member @ SV3 @ ( union @ SY35 @ SY36 ) )
            | ( member @ SV3 @ SY35 )
            | ( member @ SV3 @ SY36 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[93]) ).

thf(114,plain,
    ! [SV3: $i] :
      ( ( ~ ( ~ ! [SY37: $i] :
                  ( ~ ( member @ SV3 @ SY37 )
                  | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) )
            | ~ ! [SY39: $i,SY40: $i] :
                  ( ~ ( member @ SV3 @ SY40 )
                  | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[94]) ).

thf(115,plain,
    ! [SV4: $i] :
      ( ( ! [SY41: $i,SY42: $i] :
            ( ~ ( member @ SV4 @ SY41 )
            | ~ ( member @ SV4 @ SY42 )
            | ( member @ SV4 @ ( intersection @ SY41 @ SY42 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[95]) ).

thf(116,plain,
    ! [SV4: $i] :
      ( ( ~ ( ~ ! [SY43: $i] :
                  ( ! [SY44: $i] :
                      ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
                  | ( member @ SV4 @ SY43 ) )
            | ~ ! [SY45: $i,SY46: $i] :
                  ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
                  | ( member @ SV4 @ SY46 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[96]) ).

thf(117,plain,
    ! [SV5: $i] :
      ( ( ! [SY47: $i,SY48: $i] :
            ( ~ ( member @ SV5 @ SY48 )
            | ( member @ SV5 @ SY47 )
            | ( member @ SV5 @ ( difference @ SY48 @ SY47 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[97]) ).

thf(118,plain,
    ! [SV5: $i] :
      ( ( ~ ( ~ ! [SY49: $i,SY50: $i] :
                  ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
                  | ( member @ SV5 @ SY50 ) )
            | ~ ! [SY51: $i] :
                  ( ! [SY52: $i] :
                      ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
                  | ~ ( member @ SV5 @ SY51 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[98]) ).

thf(119,plain,
    ! [SV7: $i] :
      ( ( ! [SY54: $i] :
            ( ! [SY55: $i] :
                ( ~ ( member @ SY55 @ SY54 )
                | ~ ( member @ SV7 @ SY55 ) )
            | ( member @ SV7 @ ( sum @ SY54 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[99]) ).

thf(120,plain,
    ! [SV8: $i] :
      ( ( ! [SY56: $i] :
            ( ~ ( member @ SV8 @ ( sum @ SY56 ) )
            | ~ ( ~ ( member @ ( sK3_Y @ SY56 @ SV8 ) @ SY56 )
                | ~ ( member @ SV8 @ ( sK3_Y @ SY56 @ SV8 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[100]) ).

thf(121,plain,
    ! [SV9: $i] :
      ( ( ! [SY57: $i] :
            ( ( SV9 != SY57 )
            | ( member @ SV9 @ ( singleton @ SY57 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[101]) ).

thf(122,plain,
    ! [SV10: $i] :
      ( ( ! [SY58: $i] :
            ( ~ ( member @ SV10 @ ( singleton @ SY58 ) )
            | ( SV10 = SY58 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[102]) ).

thf(123,plain,
    ! [SV11: $i] :
      ( ( ! [SY59: $i] :
            ( ~ ( ~ ( member @ ( sK2_Y @ SY59 @ SV11 ) @ SY59 )
                | ~ ~ ( member @ SV11 @ ( sK2_Y @ SY59 @ SV11 ) ) )
            | ( member @ SV11 @ ( product @ SY59 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[103]) ).

thf(124,plain,
    ! [SV12: $i] :
      ( ( ! [SY60: $i] :
            ( ~ ( member @ SV12 @ ( product @ SY60 ) )
            | ! [SY61: $i] :
                ( ~ ( member @ SY61 @ SY60 )
                | ( member @ SV12 @ SY61 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[104]) ).

thf(125,plain,
    ! [SV13: $i] :
      ( ( ! [SY62: $i] :
            ( ~ ( ~ ( member @ ( sK4_X @ SY62 @ SV13 ) @ SV13 )
                | ~ ~ ( member @ ( sK4_X @ SY62 @ SV13 ) @ SY62 ) )
            | ( subset @ SV13 @ SY62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[105]) ).

thf(126,plain,
    ! [SV14: $i] :
      ( ( ! [SY63: $i] :
            ( ~ ( subset @ SV14 @ SY63 )
            | ! [SY64: $i] :
                ( ~ ( member @ SY64 @ SV14 )
                | ( member @ SY64 @ SY63 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[106]) ).

thf(127,plain,
    ! [SV15: $i] :
      ( ( ! [SY65: $i] :
            ( ~ ( member @ SV15 @ ( power_set @ SY65 ) )
            | ( subset @ SV15 @ SY65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(128,plain,
    ! [SV16: $i] :
      ( ( ! [SY66: $i] :
            ( ~ ( subset @ SV16 @ SY66 )
            | ( member @ SV16 @ ( power_set @ SY66 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[108]) ).

thf(129,plain,
    ! [SV17: $i,SV6: $i] :
      ( ( ~ ( subset @ SV6 @ SV17 )
        | ~ ( subset @ SV17 @ SV6 )
        | ( equal_set @ SV6 @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[109]) ).

thf(130,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( equal_set @ SX0 @ SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[110]) ).

thf(131,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( equal_set @ SX0 @ SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[110]) ).

thf(132,plain,
    ! [SV18: $i,SV2: $i] :
      ( ( ! [SY67: $i] :
            ( ~ ( member @ SV2 @ ( unordered_pair @ SV18 @ SY67 ) )
            | ( SV2 = SV18 )
            | ( SV2 = SY67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[111]) ).

thf(133,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY31: $i] :
              ( ( SV2 != SY31 )
              | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) )
        | ~ ! [SY33: $i,SY34: $i] :
              ( ( SV2 != SY34 )
              | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[112]) ).

thf(134,plain,
    ! [SV19: $i,SV3: $i] :
      ( ( ! [SY68: $i] :
            ( ~ ( member @ SV3 @ ( union @ SV19 @ SY68 ) )
            | ( member @ SV3 @ SV19 )
            | ( member @ SV3 @ SY68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[113]) ).

thf(135,plain,
    ! [SV3: $i] :
      ( ( ~ ! [SY37: $i] :
              ( ~ ( member @ SV3 @ SY37 )
              | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) )
        | ~ ! [SY39: $i,SY40: $i] :
              ( ~ ( member @ SV3 @ SY40 )
              | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[114]) ).

thf(136,plain,
    ! [SV20: $i,SV4: $i] :
      ( ( ! [SY69: $i] :
            ( ~ ( member @ SV4 @ SV20 )
            | ~ ( member @ SV4 @ SY69 )
            | ( member @ SV4 @ ( intersection @ SV20 @ SY69 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[115]) ).

thf(137,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY43: $i] :
              ( ! [SY44: $i] :
                  ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
              | ( member @ SV4 @ SY43 ) )
        | ~ ! [SY45: $i,SY46: $i] :
              ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
              | ( member @ SV4 @ SY46 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[116]) ).

thf(138,plain,
    ! [SV21: $i,SV5: $i] :
      ( ( ! [SY70: $i] :
            ( ~ ( member @ SV5 @ SY70 )
            | ( member @ SV5 @ SV21 )
            | ( member @ SV5 @ ( difference @ SY70 @ SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[117]) ).

thf(139,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY49: $i,SY50: $i] :
              ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
              | ( member @ SV5 @ SY50 ) )
        | ~ ! [SY51: $i] :
              ( ! [SY52: $i] :
                  ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
              | ~ ( member @ SV5 @ SY51 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[118]) ).

thf(140,plain,
    ! [SV7: $i,SV22: $i] :
      ( ( ! [SY71: $i] :
            ( ~ ( member @ SY71 @ SV22 )
            | ~ ( member @ SV7 @ SY71 ) )
        | ( member @ SV7 @ ( sum @ SV22 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(141,plain,
    ! [SV23: $i,SV8: $i] :
      ( ( ~ ( member @ SV8 @ ( sum @ SV23 ) )
        | ~ ( ~ ( member @ ( sK3_Y @ SV23 @ SV8 ) @ SV23 )
            | ~ ( member @ SV8 @ ( sK3_Y @ SV23 @ SV8 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(142,plain,
    ! [SV24: $i,SV9: $i] :
      ( ( ( SV9 != SV24 )
        | ( member @ SV9 @ ( singleton @ SV24 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[121]) ).

thf(143,plain,
    ! [SV25: $i,SV10: $i] :
      ( ( ~ ( member @ SV10 @ ( singleton @ SV25 ) )
        | ( SV10 = SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[122]) ).

thf(144,plain,
    ! [SV11: $i,SV26: $i] :
      ( ( ~ ( ~ ( member @ ( sK2_Y @ SV26 @ SV11 ) @ SV26 )
            | ~ ~ ( member @ SV11 @ ( sK2_Y @ SV26 @ SV11 ) ) )
        | ( member @ SV11 @ ( product @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[123]) ).

thf(145,plain,
    ! [SV27: $i,SV12: $i] :
      ( ( ~ ( member @ SV12 @ ( product @ SV27 ) )
        | ! [SY72: $i] :
            ( ~ ( member @ SY72 @ SV27 )
            | ( member @ SV12 @ SY72 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[124]) ).

thf(146,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ~ ( ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV13 )
            | ~ ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV28 ) )
        | ( subset @ SV13 @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[125]) ).

thf(147,plain,
    ! [SV29: $i,SV14: $i] :
      ( ( ~ ( subset @ SV14 @ SV29 )
        | ! [SY73: $i] :
            ( ~ ( member @ SY73 @ SV14 )
            | ( member @ SY73 @ SV29 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[126]) ).

thf(148,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ~ ( member @ SV15 @ ( power_set @ SV30 ) )
        | ( subset @ SV15 @ SV30 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[127]) ).

thf(149,plain,
    ! [SV31: $i,SV16: $i] :
      ( ( ~ ( subset @ SV16 @ SV31 )
        | ( member @ SV16 @ ( power_set @ SV31 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[128]) ).

thf(150,plain,
    ! [SV17: $i,SV6: $i] :
      ( ( ( ~ ( subset @ SV6 @ SV17 )
          | ~ ( subset @ SV17 @ SV6 ) )
        = $true )
      | ( ( equal_set @ SV6 @ SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[129]) ).

thf(151,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( equal_set @ SX0 @ SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[130]) ).

thf(152,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( equal_set @ SX0 @ SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[131]) ).

thf(153,plain,
    ! [SV32: $i,SV18: $i,SV2: $i] :
      ( ( ~ ( member @ SV2 @ ( unordered_pair @ SV18 @ SV32 ) )
        | ( SV2 = SV18 )
        | ( SV2 = SV32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[132]) ).

thf(154,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY31: $i] :
              ( ( SV2 != SY31 )
              | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[133]) ).

thf(155,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY33: $i,SY34: $i] :
              ( ( SV2 != SY34 )
              | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[133]) ).

thf(156,plain,
    ! [SV33: $i,SV19: $i,SV3: $i] :
      ( ( ~ ( member @ SV3 @ ( union @ SV19 @ SV33 ) )
        | ( member @ SV3 @ SV19 )
        | ( member @ SV3 @ SV33 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[134]) ).

thf(157,plain,
    ! [SV3: $i] :
      ( ( ~ ! [SY37: $i] :
              ( ~ ( member @ SV3 @ SY37 )
              | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[135]) ).

thf(158,plain,
    ! [SV3: $i] :
      ( ( ~ ! [SY39: $i,SY40: $i] :
              ( ~ ( member @ SV3 @ SY40 )
              | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[135]) ).

thf(159,plain,
    ! [SV34: $i,SV20: $i,SV4: $i] :
      ( ( ~ ( member @ SV4 @ SV20 )
        | ~ ( member @ SV4 @ SV34 )
        | ( member @ SV4 @ ( intersection @ SV20 @ SV34 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[136]) ).

thf(160,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY43: $i] :
              ( ! [SY44: $i] :
                  ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
              | ( member @ SV4 @ SY43 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[137]) ).

thf(161,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY45: $i,SY46: $i] :
              ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
              | ( member @ SV4 @ SY46 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[137]) ).

thf(162,plain,
    ! [SV21: $i,SV35: $i,SV5: $i] :
      ( ( ~ ( member @ SV5 @ SV35 )
        | ( member @ SV5 @ SV21 )
        | ( member @ SV5 @ ( difference @ SV35 @ SV21 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[138]) ).

thf(163,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY49: $i,SY50: $i] :
              ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
              | ( member @ SV5 @ SY50 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[139]) ).

thf(164,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY51: $i] :
              ( ! [SY52: $i] :
                  ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
              | ~ ( member @ SV5 @ SY51 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[139]) ).

thf(165,plain,
    ! [SV7: $i,SV22: $i] :
      ( ( ( ! [SY71: $i] :
              ( ~ ( member @ SY71 @ SV22 )
              | ~ ( member @ SV7 @ SY71 ) ) )
        = $true )
      | ( ( member @ SV7 @ ( sum @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[140]) ).

thf(166,plain,
    ! [SV23: $i,SV8: $i] :
      ( ( ( ~ ( member @ SV8 @ ( sum @ SV23 ) ) )
        = $true )
      | ( ( ~ ( ~ ( member @ ( sK3_Y @ SV23 @ SV8 ) @ SV23 )
              | ~ ( member @ SV8 @ ( sK3_Y @ SV23 @ SV8 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[141]) ).

thf(167,plain,
    ! [SV24: $i,SV9: $i] :
      ( ( ( ( SV9 != SV24 ) )
        = $true )
      | ( ( member @ SV9 @ ( singleton @ SV24 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[142]) ).

thf(168,plain,
    ! [SV25: $i,SV10: $i] :
      ( ( ( ~ ( member @ SV10 @ ( singleton @ SV25 ) ) )
        = $true )
      | ( ( SV10 = SV25 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[143]) ).

thf(169,plain,
    ! [SV11: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK2_Y @ SV26 @ SV11 ) @ SV26 )
              | ~ ~ ( member @ SV11 @ ( sK2_Y @ SV26 @ SV11 ) ) ) )
        = $true )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[144]) ).

thf(170,plain,
    ! [SV27: $i,SV12: $i] :
      ( ( ( ~ ( member @ SV12 @ ( product @ SV27 ) ) )
        = $true )
      | ( ( ! [SY72: $i] :
              ( ~ ( member @ SY72 @ SV27 )
              | ( member @ SV12 @ SY72 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[145]) ).

thf(171,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV13 )
              | ~ ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV28 ) ) )
        = $true )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[146]) ).

thf(172,plain,
    ! [SV29: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV29 ) )
        = $true )
      | ( ( ! [SY73: $i] :
              ( ~ ( member @ SY73 @ SV14 )
              | ( member @ SY73 @ SV29 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[147]) ).

thf(173,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ ( power_set @ SV30 ) ) )
        = $true )
      | ( ( subset @ SV15 @ SV30 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[148]) ).

thf(174,plain,
    ! [SV31: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV31 ) )
        = $true )
      | ( ( member @ SV16 @ ( power_set @ SV31 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[149]) ).

thf(175,plain,
    ! [SV17: $i,SV6: $i] :
      ( ( ( ~ ( subset @ SV6 @ SV17 ) )
        = $true )
      | ( ( ~ ( subset @ SV17 @ SV6 ) )
        = $true )
      | ( ( equal_set @ SV6 @ SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[150]) ).

thf(176,plain,
    ! [SV36: $i] :
      ( ( ! [SY74: $i] :
            ( ~ ( equal_set @ SV36 @ SY74 )
            | ( subset @ SV36 @ SY74 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[151]) ).

thf(177,plain,
    ! [SV37: $i] :
      ( ( ! [SY75: $i] :
            ( ~ ( equal_set @ SV37 @ SY75 )
            | ( subset @ SY75 @ SV37 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[152]) ).

thf(178,plain,
    ! [SV32: $i,SV18: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ ( unordered_pair @ SV18 @ SV32 ) ) )
        = $true )
      | ( ( ( SV2 = SV18 )
          | ( SV2 = SV32 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[153]) ).

thf(179,plain,
    ! [SV2: $i] :
      ( ( ! [SY31: $i] :
            ( ( SV2 != SY31 )
            | ! [SY32: $i] : ( member @ SV2 @ ( unordered_pair @ SY31 @ SY32 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[154]) ).

thf(180,plain,
    ! [SV2: $i] :
      ( ( ! [SY33: $i,SY34: $i] :
            ( ( SV2 != SY34 )
            | ( member @ SV2 @ ( unordered_pair @ SY33 @ SY34 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[155]) ).

thf(181,plain,
    ! [SV33: $i,SV19: $i,SV3: $i] :
      ( ( ( ~ ( member @ SV3 @ ( union @ SV19 @ SV33 ) ) )
        = $true )
      | ( ( ( member @ SV3 @ SV19 )
          | ( member @ SV3 @ SV33 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[156]) ).

thf(182,plain,
    ! [SV3: $i] :
      ( ( ! [SY37: $i] :
            ( ~ ( member @ SV3 @ SY37 )
            | ! [SY38: $i] : ( member @ SV3 @ ( union @ SY37 @ SY38 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[157]) ).

thf(183,plain,
    ! [SV3: $i] :
      ( ( ! [SY39: $i,SY40: $i] :
            ( ~ ( member @ SV3 @ SY40 )
            | ( member @ SV3 @ ( union @ SY39 @ SY40 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[158]) ).

thf(184,plain,
    ! [SV34: $i,SV20: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV20 )
          | ~ ( member @ SV4 @ SV34 ) )
        = $true )
      | ( ( member @ SV4 @ ( intersection @ SV20 @ SV34 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[159]) ).

thf(185,plain,
    ! [SV4: $i] :
      ( ( ! [SY43: $i] :
            ( ! [SY44: $i] :
                ~ ( member @ SV4 @ ( intersection @ SY43 @ SY44 ) )
            | ( member @ SV4 @ SY43 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[160]) ).

thf(186,plain,
    ! [SV4: $i] :
      ( ( ! [SY45: $i,SY46: $i] :
            ( ~ ( member @ SV4 @ ( intersection @ SY45 @ SY46 ) )
            | ( member @ SV4 @ SY46 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[161]) ).

thf(187,plain,
    ! [SV21: $i,SV35: $i,SV5: $i] :
      ( ( ( ~ ( member @ SV5 @ SV35 )
          | ( member @ SV5 @ SV21 ) )
        = $true )
      | ( ( member @ SV5 @ ( difference @ SV35 @ SV21 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[162]) ).

thf(188,plain,
    ! [SV5: $i] :
      ( ( ! [SY49: $i,SY50: $i] :
            ( ~ ( member @ SV5 @ ( difference @ SY50 @ SY49 ) )
            | ( member @ SV5 @ SY50 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[163]) ).

thf(189,plain,
    ! [SV5: $i] :
      ( ( ! [SY51: $i] :
            ( ! [SY52: $i] :
                ~ ( member @ SV5 @ ( difference @ SY52 @ SY51 ) )
            | ~ ( member @ SV5 @ SY51 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[164]) ).

thf(190,plain,
    ! [SV7: $i,SV22: $i,SV38: $i] :
      ( ( ( ~ ( member @ SV38 @ SV22 )
          | ~ ( member @ SV7 @ SV38 ) )
        = $true )
      | ( ( member @ SV7 @ ( sum @ SV22 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[165]) ).

thf(191,plain,
    ! [SV23: $i,SV8: $i] :
      ( ( ( member @ SV8 @ ( sum @ SV23 ) )
        = $false )
      | ( ( ~ ( ~ ( member @ ( sK3_Y @ SV23 @ SV8 ) @ SV23 )
              | ~ ( member @ SV8 @ ( sK3_Y @ SV23 @ SV8 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[166]) ).

thf(192,plain,
    ! [SV24: $i,SV9: $i] :
      ( ( ( SV9 = SV24 )
        = $false )
      | ( ( member @ SV9 @ ( singleton @ SV24 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[167]) ).

thf(193,plain,
    ! [SV25: $i,SV10: $i] :
      ( ( ( member @ SV10 @ ( singleton @ SV25 ) )
        = $false )
      | ( ( SV10 = SV25 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[168]) ).

thf(194,plain,
    ! [SV11: $i,SV26: $i] :
      ( ( ( ~ ( member @ ( sK2_Y @ SV26 @ SV11 ) @ SV26 )
          | ~ ~ ( member @ SV11 @ ( sK2_Y @ SV26 @ SV11 ) ) )
        = $false )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[169]) ).

thf(195,plain,
    ! [SV27: $i,SV12: $i] :
      ( ( ( member @ SV12 @ ( product @ SV27 ) )
        = $false )
      | ( ( ! [SY72: $i] :
              ( ~ ( member @ SY72 @ SV27 )
              | ( member @ SV12 @ SY72 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[170]) ).

thf(196,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV13 )
          | ~ ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV28 ) )
        = $false )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[171]) ).

thf(197,plain,
    ! [SV29: $i,SV14: $i] :
      ( ( ( subset @ SV14 @ SV29 )
        = $false )
      | ( ( ! [SY73: $i] :
              ( ~ ( member @ SY73 @ SV14 )
              | ( member @ SY73 @ SV29 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[172]) ).

thf(198,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ( member @ SV15 @ ( power_set @ SV30 ) )
        = $false )
      | ( ( subset @ SV15 @ SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[173]) ).

thf(199,plain,
    ! [SV31: $i,SV16: $i] :
      ( ( ( subset @ SV16 @ SV31 )
        = $false )
      | ( ( member @ SV16 @ ( power_set @ SV31 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[174]) ).

thf(200,plain,
    ! [SV17: $i,SV6: $i] :
      ( ( ( subset @ SV6 @ SV17 )
        = $false )
      | ( ( ~ ( subset @ SV17 @ SV6 ) )
        = $true )
      | ( ( equal_set @ SV6 @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[175]) ).

thf(201,plain,
    ! [SV39: $i,SV36: $i] :
      ( ( ~ ( equal_set @ SV36 @ SV39 )
        | ( subset @ SV36 @ SV39 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[176]) ).

thf(202,plain,
    ! [SV40: $i,SV37: $i] :
      ( ( ~ ( equal_set @ SV37 @ SV40 )
        | ( subset @ SV40 @ SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[177]) ).

thf(203,plain,
    ! [SV32: $i,SV18: $i,SV2: $i] :
      ( ( ( member @ SV2 @ ( unordered_pair @ SV18 @ SV32 ) )
        = $false )
      | ( ( ( SV2 = SV18 )
          | ( SV2 = SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[178]) ).

thf(204,plain,
    ! [SV41: $i,SV2: $i] :
      ( ( ( SV2 != SV41 )
        | ! [SY76: $i] : ( member @ SV2 @ ( unordered_pair @ SV41 @ SY76 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[179]) ).

thf(205,plain,
    ! [SV42: $i,SV2: $i] :
      ( ( ! [SY77: $i] :
            ( ( SV2 != SY77 )
            | ( member @ SV2 @ ( unordered_pair @ SV42 @ SY77 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[180]) ).

thf(206,plain,
    ! [SV33: $i,SV19: $i,SV3: $i] :
      ( ( ( member @ SV3 @ ( union @ SV19 @ SV33 ) )
        = $false )
      | ( ( ( member @ SV3 @ SV19 )
          | ( member @ SV3 @ SV33 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(207,plain,
    ! [SV43: $i,SV3: $i] :
      ( ( ~ ( member @ SV3 @ SV43 )
        | ! [SY78: $i] : ( member @ SV3 @ ( union @ SV43 @ SY78 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[182]) ).

thf(208,plain,
    ! [SV44: $i,SV3: $i] :
      ( ( ! [SY79: $i] :
            ( ~ ( member @ SV3 @ SY79 )
            | ( member @ SV3 @ ( union @ SV44 @ SY79 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[183]) ).

thf(209,plain,
    ! [SV34: $i,SV20: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV20 ) )
        = $true )
      | ( ( ~ ( member @ SV4 @ SV34 ) )
        = $true )
      | ( ( member @ SV4 @ ( intersection @ SV20 @ SV34 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[184]) ).

thf(210,plain,
    ! [SV45: $i,SV4: $i] :
      ( ( ! [SY80: $i] :
            ~ ( member @ SV4 @ ( intersection @ SV45 @ SY80 ) )
        | ( member @ SV4 @ SV45 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[185]) ).

thf(211,plain,
    ! [SV46: $i,SV4: $i] :
      ( ( ! [SY81: $i] :
            ( ~ ( member @ SV4 @ ( intersection @ SV46 @ SY81 ) )
            | ( member @ SV4 @ SY81 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[186]) ).

thf(212,plain,
    ! [SV21: $i,SV35: $i,SV5: $i] :
      ( ( ( ~ ( member @ SV5 @ SV35 ) )
        = $true )
      | ( ( member @ SV5 @ SV21 )
        = $true )
      | ( ( member @ SV5 @ ( difference @ SV35 @ SV21 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[187]) ).

thf(213,plain,
    ! [SV47: $i,SV5: $i] :
      ( ( ! [SY82: $i] :
            ( ~ ( member @ SV5 @ ( difference @ SY82 @ SV47 ) )
            | ( member @ SV5 @ SY82 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[188]) ).

thf(214,plain,
    ! [SV48: $i,SV5: $i] :
      ( ( ! [SY83: $i] :
            ~ ( member @ SV5 @ ( difference @ SY83 @ SV48 ) )
        | ~ ( member @ SV5 @ SV48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[189]) ).

thf(215,plain,
    ! [SV7: $i,SV22: $i,SV38: $i] :
      ( ( ( ~ ( member @ SV38 @ SV22 ) )
        = $true )
      | ( ( ~ ( member @ SV7 @ SV38 ) )
        = $true )
      | ( ( member @ SV7 @ ( sum @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[190]) ).

thf(216,plain,
    ! [SV8: $i,SV23: $i] :
      ( ( ( ~ ( member @ ( sK3_Y @ SV23 @ SV8 ) @ SV23 )
          | ~ ( member @ SV8 @ ( sK3_Y @ SV23 @ SV8 ) ) )
        = $false )
      | ( ( member @ SV8 @ ( sum @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[191]) ).

thf(217,plain,
    ! [SV11: $i,SV26: $i] :
      ( ( ( ~ ( member @ ( sK2_Y @ SV26 @ SV11 ) @ SV26 ) )
        = $false )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[194]) ).

thf(218,plain,
    ! [SV26: $i,SV11: $i] :
      ( ( ( ~ ~ ( member @ SV11 @ ( sK2_Y @ SV26 @ SV11 ) ) )
        = $false )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[194]) ).

thf(219,plain,
    ! [SV12: $i,SV27: $i,SV49: $i] :
      ( ( ( ~ ( member @ SV49 @ SV27 )
          | ( member @ SV12 @ SV49 ) )
        = $true )
      | ( ( member @ SV12 @ ( product @ SV27 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[195]) ).

thf(220,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV13 ) )
        = $false )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[196]) ).

thf(221,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( ~ ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV28 ) )
        = $false )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[196]) ).

thf(222,plain,
    ! [SV29: $i,SV14: $i,SV50: $i] :
      ( ( ( ~ ( member @ SV50 @ SV14 )
          | ( member @ SV50 @ SV29 ) )
        = $true )
      | ( ( subset @ SV14 @ SV29 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[197]) ).

thf(223,plain,
    ! [SV6: $i,SV17: $i] :
      ( ( ( subset @ SV17 @ SV6 )
        = $false )
      | ( ( subset @ SV6 @ SV17 )
        = $false )
      | ( ( equal_set @ SV6 @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[200]) ).

thf(224,plain,
    ! [SV39: $i,SV36: $i] :
      ( ( ( ~ ( equal_set @ SV36 @ SV39 ) )
        = $true )
      | ( ( subset @ SV36 @ SV39 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[201]) ).

thf(225,plain,
    ! [SV40: $i,SV37: $i] :
      ( ( ( ~ ( equal_set @ SV37 @ SV40 ) )
        = $true )
      | ( ( subset @ SV40 @ SV37 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[202]) ).

thf(226,plain,
    ! [SV32: $i,SV18: $i,SV2: $i] :
      ( ( ( SV2 = SV18 )
        = $true )
      | ( ( SV2 = SV32 )
        = $true )
      | ( ( member @ SV2 @ ( unordered_pair @ SV18 @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[203]) ).

thf(227,plain,
    ! [SV41: $i,SV2: $i] :
      ( ( ( ( SV2 != SV41 ) )
        = $true )
      | ( ( ! [SY76: $i] : ( member @ SV2 @ ( unordered_pair @ SV41 @ SY76 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[204]) ).

thf(228,plain,
    ! [SV42: $i,SV51: $i,SV2: $i] :
      ( ( ( SV2 != SV51 )
        | ( member @ SV2 @ ( unordered_pair @ SV42 @ SV51 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(229,plain,
    ! [SV33: $i,SV19: $i,SV3: $i] :
      ( ( ( member @ SV3 @ SV19 )
        = $true )
      | ( ( member @ SV3 @ SV33 )
        = $true )
      | ( ( member @ SV3 @ ( union @ SV19 @ SV33 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[206]) ).

thf(230,plain,
    ! [SV43: $i,SV3: $i] :
      ( ( ( ~ ( member @ SV3 @ SV43 ) )
        = $true )
      | ( ( ! [SY78: $i] : ( member @ SV3 @ ( union @ SV43 @ SY78 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[207]) ).

thf(231,plain,
    ! [SV44: $i,SV52: $i,SV3: $i] :
      ( ( ~ ( member @ SV3 @ SV52 )
        | ( member @ SV3 @ ( union @ SV44 @ SV52 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[208]) ).

thf(232,plain,
    ! [SV34: $i,SV20: $i,SV4: $i] :
      ( ( ( member @ SV4 @ SV20 )
        = $false )
      | ( ( ~ ( member @ SV4 @ SV34 ) )
        = $true )
      | ( ( member @ SV4 @ ( intersection @ SV20 @ SV34 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[209]) ).

thf(233,plain,
    ! [SV45: $i,SV4: $i] :
      ( ( ( ! [SY80: $i] :
              ~ ( member @ SV4 @ ( intersection @ SV45 @ SY80 ) ) )
        = $true )
      | ( ( member @ SV4 @ SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[210]) ).

thf(234,plain,
    ! [SV53: $i,SV46: $i,SV4: $i] :
      ( ( ~ ( member @ SV4 @ ( intersection @ SV46 @ SV53 ) )
        | ( member @ SV4 @ SV53 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[211]) ).

thf(235,plain,
    ! [SV21: $i,SV35: $i,SV5: $i] :
      ( ( ( member @ SV5 @ SV35 )
        = $false )
      | ( ( member @ SV5 @ SV21 )
        = $true )
      | ( ( member @ SV5 @ ( difference @ SV35 @ SV21 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[212]) ).

thf(236,plain,
    ! [SV47: $i,SV54: $i,SV5: $i] :
      ( ( ~ ( member @ SV5 @ ( difference @ SV54 @ SV47 ) )
        | ( member @ SV5 @ SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[213]) ).

thf(237,plain,
    ! [SV48: $i,SV5: $i] :
      ( ( ( ! [SY83: $i] :
              ~ ( member @ SV5 @ ( difference @ SY83 @ SV48 ) ) )
        = $true )
      | ( ( ~ ( member @ SV5 @ SV48 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[214]) ).

thf(238,plain,
    ! [SV7: $i,SV22: $i,SV38: $i] :
      ( ( ( member @ SV38 @ SV22 )
        = $false )
      | ( ( ~ ( member @ SV7 @ SV38 ) )
        = $true )
      | ( ( member @ SV7 @ ( sum @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[215]) ).

thf(239,plain,
    ! [SV8: $i,SV23: $i] :
      ( ( ( ~ ( member @ ( sK3_Y @ SV23 @ SV8 ) @ SV23 ) )
        = $false )
      | ( ( member @ SV8 @ ( sum @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[216]) ).

thf(240,plain,
    ! [SV23: $i,SV8: $i] :
      ( ( ( ~ ( member @ SV8 @ ( sK3_Y @ SV23 @ SV8 ) ) )
        = $false )
      | ( ( member @ SV8 @ ( sum @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[216]) ).

thf(241,plain,
    ! [SV11: $i,SV26: $i] :
      ( ( ( member @ ( sK2_Y @ SV26 @ SV11 ) @ SV26 )
        = $true )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[217]) ).

thf(242,plain,
    ! [SV26: $i,SV11: $i] :
      ( ( ( ~ ( member @ SV11 @ ( sK2_Y @ SV26 @ SV11 ) ) )
        = $true )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[218]) ).

thf(243,plain,
    ! [SV12: $i,SV27: $i,SV49: $i] :
      ( ( ( ~ ( member @ SV49 @ SV27 ) )
        = $true )
      | ( ( member @ SV12 @ SV49 )
        = $true )
      | ( ( member @ SV12 @ ( product @ SV27 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[219]) ).

thf(244,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV13 )
        = $true )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[220]) ).

thf(245,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( ~ ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV28 ) )
        = $true )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[221]) ).

thf(246,plain,
    ! [SV29: $i,SV14: $i,SV50: $i] :
      ( ( ( ~ ( member @ SV50 @ SV14 ) )
        = $true )
      | ( ( member @ SV50 @ SV29 )
        = $true )
      | ( ( subset @ SV14 @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[222]) ).

thf(247,plain,
    ! [SV39: $i,SV36: $i] :
      ( ( ( equal_set @ SV36 @ SV39 )
        = $false )
      | ( ( subset @ SV36 @ SV39 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[224]) ).

thf(248,plain,
    ! [SV40: $i,SV37: $i] :
      ( ( ( equal_set @ SV37 @ SV40 )
        = $false )
      | ( ( subset @ SV40 @ SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[225]) ).

thf(249,plain,
    ! [SV41: $i,SV2: $i] :
      ( ( ( SV2 = SV41 )
        = $false )
      | ( ( ! [SY76: $i] : ( member @ SV2 @ ( unordered_pair @ SV41 @ SY76 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[227]) ).

thf(250,plain,
    ! [SV42: $i,SV51: $i,SV2: $i] :
      ( ( ( ( SV2 != SV51 ) )
        = $true )
      | ( ( member @ SV2 @ ( unordered_pair @ SV42 @ SV51 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[228]) ).

thf(251,plain,
    ! [SV43: $i,SV3: $i] :
      ( ( ( member @ SV3 @ SV43 )
        = $false )
      | ( ( ! [SY78: $i] : ( member @ SV3 @ ( union @ SV43 @ SY78 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[230]) ).

thf(252,plain,
    ! [SV44: $i,SV52: $i,SV3: $i] :
      ( ( ( ~ ( member @ SV3 @ SV52 ) )
        = $true )
      | ( ( member @ SV3 @ ( union @ SV44 @ SV52 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[231]) ).

thf(253,plain,
    ! [SV20: $i,SV34: $i,SV4: $i] :
      ( ( ( member @ SV4 @ SV34 )
        = $false )
      | ( ( member @ SV4 @ SV20 )
        = $false )
      | ( ( member @ SV4 @ ( intersection @ SV20 @ SV34 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[232]) ).

thf(254,plain,
    ! [SV55: $i,SV45: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ ( intersection @ SV45 @ SV55 ) ) )
        = $true )
      | ( ( member @ SV4 @ SV45 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[233]) ).

thf(255,plain,
    ! [SV53: $i,SV46: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ ( intersection @ SV46 @ SV53 ) ) )
        = $true )
      | ( ( member @ SV4 @ SV53 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[234]) ).

thf(256,plain,
    ! [SV47: $i,SV54: $i,SV5: $i] :
      ( ( ( ~ ( member @ SV5 @ ( difference @ SV54 @ SV47 ) ) )
        = $true )
      | ( ( member @ SV5 @ SV54 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[236]) ).

thf(257,plain,
    ! [SV48: $i,SV56: $i,SV5: $i] :
      ( ( ( ~ ( member @ SV5 @ ( difference @ SV56 @ SV48 ) ) )
        = $true )
      | ( ( ~ ( member @ SV5 @ SV48 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[237]) ).

thf(258,plain,
    ! [SV22: $i,SV38: $i,SV7: $i] :
      ( ( ( member @ SV7 @ SV38 )
        = $false )
      | ( ( member @ SV38 @ SV22 )
        = $false )
      | ( ( member @ SV7 @ ( sum @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[238]) ).

thf(259,plain,
    ! [SV8: $i,SV23: $i] :
      ( ( ( member @ ( sK3_Y @ SV23 @ SV8 ) @ SV23 )
        = $true )
      | ( ( member @ SV8 @ ( sum @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[239]) ).

thf(260,plain,
    ! [SV23: $i,SV8: $i] :
      ( ( ( member @ SV8 @ ( sK3_Y @ SV23 @ SV8 ) )
        = $true )
      | ( ( member @ SV8 @ ( sum @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[240]) ).

thf(261,plain,
    ! [SV26: $i,SV11: $i] :
      ( ( ( member @ SV11 @ ( sK2_Y @ SV26 @ SV11 ) )
        = $false )
      | ( ( member @ SV11 @ ( product @ SV26 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[242]) ).

thf(262,plain,
    ! [SV12: $i,SV27: $i,SV49: $i] :
      ( ( ( member @ SV49 @ SV27 )
        = $false )
      | ( ( member @ SV12 @ SV49 )
        = $true )
      | ( ( member @ SV12 @ ( product @ SV27 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[243]) ).

thf(263,plain,
    ! [SV13: $i,SV28: $i] :
      ( ( ( member @ ( sK4_X @ SV28 @ SV13 ) @ SV28 )
        = $false )
      | ( ( subset @ SV13 @ SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[245]) ).

thf(264,plain,
    ! [SV29: $i,SV14: $i,SV50: $i] :
      ( ( ( member @ SV50 @ SV14 )
        = $false )
      | ( ( member @ SV50 @ SV29 )
        = $true )
      | ( ( subset @ SV14 @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[246]) ).

thf(265,plain,
    ! [SV57: $i,SV41: $i,SV2: $i] :
      ( ( ( member @ SV2 @ ( unordered_pair @ SV41 @ SV57 ) )
        = $true )
      | ( ( SV2 = SV41 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[249]) ).

thf(266,plain,
    ! [SV42: $i,SV51: $i,SV2: $i] :
      ( ( ( SV2 = SV51 )
        = $false )
      | ( ( member @ SV2 @ ( unordered_pair @ SV42 @ SV51 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[250]) ).

thf(267,plain,
    ! [SV58: $i,SV43: $i,SV3: $i] :
      ( ( ( member @ SV3 @ ( union @ SV43 @ SV58 ) )
        = $true )
      | ( ( member @ SV3 @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[251]) ).

thf(268,plain,
    ! [SV44: $i,SV52: $i,SV3: $i] :
      ( ( ( member @ SV3 @ SV52 )
        = $false )
      | ( ( member @ SV3 @ ( union @ SV44 @ SV52 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[252]) ).

thf(269,plain,
    ! [SV55: $i,SV45: $i,SV4: $i] :
      ( ( ( member @ SV4 @ ( intersection @ SV45 @ SV55 ) )
        = $false )
      | ( ( member @ SV4 @ SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[254]) ).

thf(270,plain,
    ! [SV53: $i,SV46: $i,SV4: $i] :
      ( ( ( member @ SV4 @ ( intersection @ SV46 @ SV53 ) )
        = $false )
      | ( ( member @ SV4 @ SV53 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[255]) ).

thf(271,plain,
    ! [SV47: $i,SV54: $i,SV5: $i] :
      ( ( ( member @ SV5 @ ( difference @ SV54 @ SV47 ) )
        = $false )
      | ( ( member @ SV5 @ SV54 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[256]) ).

thf(272,plain,
    ! [SV48: $i,SV56: $i,SV5: $i] :
      ( ( ( member @ SV5 @ ( difference @ SV56 @ SV48 ) )
        = $false )
      | ( ( ~ ( member @ SV5 @ SV48 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[257]) ).

thf(273,plain,
    ! [SV56: $i,SV48: $i,SV5: $i] :
      ( ( ( member @ SV5 @ SV48 )
        = $false )
      | ( ( member @ SV5 @ ( difference @ SV56 @ SV48 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[272]) ).

thf(274,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[61,273,271,270,269,268,267,266,265,264,263,262,261,260,259,258,253,248,247,244,241,235,229,226,223,199,198,193,192,72]) ).

thf(275,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[274]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET148+4 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.14  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.35  % Computer : n028.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sun Jul 10 04:32:12 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  
% 0.13/0.36   No.of.Axioms: 11
% 0.13/0.36  
% 0.13/0.36   Length.of.Defs: 0
% 0.13/0.36  
% 0.13/0.36   Contains.Choice.Funs: false
% 0.13/0.37  (rf:0,axioms:11,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:13,loop_count:0,foatp_calls:0,translation:fof_full)....................
% 13.61/13.78  
% 13.61/13.78  ********************************
% 13.61/13.78  *   All subproblems solved!    *
% 13.61/13.78  ********************************
% 13.61/13.78  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:11,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:274,loop_count:0,foatp_calls:1,translation:fof_full)
% 13.64/13.82  
% 13.64/13.82  %**** Beginning of derivation protocol ****
% 13.64/13.82  % SZS output start CNFRefutation
% See solution above
% 13.64/13.82  
% 13.64/13.82  %**** End of derivation protocol ****
% 13.64/13.82  %**** no. of clauses in derivation: 275 ****
% 13.64/13.82  %**** clause counter: 274 ****
% 13.64/13.82  
% 13.64/13.82  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:11,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:274,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------