TSTP Solution File: SET637+3 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET637+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 : n029.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 03:03:50 EDT 2022

% Result   : Theorem 0.38s 0.58s
% Output   : CNFRefutation 0.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   20
% Syntax   : Number of formulae    :  311 ( 185 unt;  11 typ;   0 def)
%            Number of atoms       : 1760 ( 552 equ;   0 cnn)
%            Maximal formula atoms :    3 (   5 avg)
%            Number of connectives : 3372 ( 675   ~; 550   |;  35   &;2089   @)
%                                         (  17 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   14 (  14   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   14 (  11 usr;   5 con; 0-2 aty)
%            Number of variables   :  776 (   0   ^ 774   !;   2   ?; 776   :)

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

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

thf(tp_intersect,type,
    intersect: $i > $i > $o ).

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

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

thf(tp_not_equal,type,
    not_equal: $i > $i > $o ).

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

thf(tp_sK2_SY20,type,
    sK2_SY20: $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(1,axiom,
    ! [B: $i] :
      ( ( empty @ B )
    <=> ! [C: $i] :
          ~ ( member @ C @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_defn) ).

thf(2,axiom,
    ! [B: $i,C: $i] :
      ( ( intersect @ B @ C )
     => ( intersect @ C @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_of_intersect) ).

thf(3,axiom,
    ! [B: $i,C: $i] :
      ( ( intersection @ B @ C )
      = ( intersection @ C @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_intersection) ).

thf(4,axiom,
    ! [B: $i,C: $i] :
      ( ( not_equal @ B @ C )
    <=> ( B != C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_defn) ).

thf(5,axiom,
    ! [B: $i,C: $i] :
      ( ( B = C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
        <=> ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_member_defn) ).

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

thf(7,axiom,
    ! [B: $i,C: $i] :
      ( ( intersect @ B @ C )
    <=> ? [D: $i] :
          ( ( member @ D @ B )
          & ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersect_defn) ).

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

thf(9,conjecture,
    ! [B: $i,C: $i] :
      ( ( intersect @ B @ C )
    <=> ( not_equal @ ( intersection @ B @ C ) @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th119) ).

thf(10,negated_conjecture,
    ( ( ! [B: $i,C: $i] :
          ( ( intersect @ B @ C )
        <=> ( not_equal @ ( intersection @ B @ C ) @ empty_set ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[9]) ).

thf(11,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersect @ B @ C )
        <=> ( not_equal @ ( intersection @ B @ C ) @ empty_set ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(12,plain,
    ( ( ! [B: $i] :
          ( ( empty @ B )
        <=> ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(13,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersect @ B @ C )
         => ( intersect @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(14,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(15,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( not_equal @ B @ C )
        <=> ( B != C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(16,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
            <=> ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(17,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(18,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersect @ B @ C )
        <=> ? [D: $i] :
              ( ( member @ D @ B )
              & ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(19,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( member @ D @ ( intersection @ B @ C ) )
        <=> ( ( member @ D @ B )
            & ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(20,plain,
    ( ( ! [SY20: $i] :
          ( ( intersect @ sK1_B @ SY20 )
        <=> ( not_equal @ ( intersection @ sK1_B @ SY20 ) @ empty_set ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[11]) ).

thf(21,plain,
    ( ( ( intersect @ sK1_B @ sK2_SY20 )
    <=> ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[20]) ).

thf(22,plain,
    ( ( ( intersect @ sK1_B @ sK2_SY20 )
     => ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[21]) ).

thf(23,plain,
    ( ( ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
     => ( intersect @ sK1_B @ sK2_SY20 ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[21]) ).

thf(24,plain,
    ( ( ~ ( ( intersect @ sK1_B @ sK2_SY20 )
         => ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[22]) ).

thf(25,plain,
    ( ( ~ ( ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
         => ( intersect @ sK1_B @ sK2_SY20 ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[23]) ).

thf(26,plain,
    ( ( ( intersect @ sK1_B @ sK2_SY20 )
      & ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[24]) ).

thf(27,plain,
    ( ( ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
      & ~ ( intersect @ sK1_B @ sK2_SY20 ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[25]) ).

thf(28,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)],[12]) ).

thf(29,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( intersect @ B @ C )
          | ( intersect @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[13]) ).

thf(30,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
          | ( not_equal @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( not_equal @ B @ C )
          | ( B != C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[15]) ).

thf(31,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK4_D @ C @ B ) @ B )
              | ~ ( member @ ( sK4_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK4_D @ C @ B ) @ B )
              | ( member @ ( sK4_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)],[16]) ).

thf(32,plain,
    ( ( ! [B: $i,C: $i] :
          ( ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ~ ( member @ D @ C ) )
          | ( intersect @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( intersect @ B @ C )
          | ( ( member @ ( sK5_D @ C @ B ) @ B )
            & ( member @ ( sK5_D @ C @ B ) @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[18]) ).

thf(33,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)],[19]) ).

thf(34,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)],[33]) ).

thf(35,plain,
    ( ( ! [B: $i,C: $i] :
          ( ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ~ ( member @ D @ C ) )
          | ( intersect @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( intersect @ B @ C )
          | ( ( member @ ( sK5_D @ C @ B ) @ B )
            & ( member @ ( sK5_D @ C @ B ) @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(36,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[17]) ).

thf(37,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK4_D @ C @ B ) @ B )
              | ~ ( member @ ( sK4_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK4_D @ C @ B ) @ B )
              | ( member @ ( sK4_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)],[31]) ).

thf(38,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
          | ( not_equal @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( not_equal @ B @ C )
          | ( B != C ) ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(39,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(40,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( intersect @ B @ C )
          | ( intersect @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(41,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK3_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[28]) ).

thf(42,plain,
    ( ( ( intersect @ sK1_B @ sK2_SY20 )
      & ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[26]) ).

thf(43,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ~ ( member @ SX2 @ SX1 ) )
                | ( intersect @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( intersect @ SX0 @ SX1 )
                | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(44,plain,
    ( ( ~ ( ~ ( intersect @ sK1_B @ sK2_SY20 )
          | ~ ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(45,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)],[41]) ).

thf(46,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                        | ( member @ ( sK4_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)],[37]) ).

thf(47,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)],[34]) ).

thf(48,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 = SX1 )
                | ( not_equal @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( not_equal @ SX0 @ SX1 )
                | ( SX0 != SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(49,plain,
    ! [SV1: $i] :
      ( ( ~ ( member @ SV1 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[36]) ).

thf(50,plain,
    ! [SV2: $i] :
      ( ( ! [SY21: $i] :
            ( ( intersection @ SV2 @ SY21 )
            = ( intersection @ SY21 @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[39]) ).

thf(51,plain,
    ! [SV3: $i] :
      ( ( ! [SY22: $i] :
            ( ~ ( intersect @ SV3 @ SY22 )
            | ( intersect @ SY22 @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[40]) ).

thf(52,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ~ ( member @ SX2 @ SX1 ) )
            | ( intersect @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( intersect @ SX0 @ SX1 )
            | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[43]) ).

thf(53,plain,
    ( ( ~ ( intersect @ sK1_B @ sK2_SY20 )
      | ~ ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[44]) ).

thf(54,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)],[45]) ).

thf(55,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK4_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)],[46]) ).

thf(56,plain,
    ! [SV4: $i] :
      ( ( ~ ( ~ ! [SY23: $i,SY24: $i] :
                  ( ~ ( member @ SY24 @ SV4 )
                  | ~ ( member @ SY24 @ SY23 )
                  | ( member @ SY24 @ ( intersection @ SV4 @ SY23 ) ) )
            | ~ ~ ( ~ ! [SY25: $i,SY26: $i] :
                        ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
                        | ( member @ SY26 @ SV4 ) )
                  | ~ ! [SY27: $i,SY28: $i] :
                        ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
                        | ( member @ SY28 @ SY27 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[47]) ).

thf(57,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ( not_equal @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( not_equal @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[48]) ).

thf(58,plain,
    ! [SV1: $i] :
      ( ( member @ SV1 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[49]) ).

thf(59,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ( intersection @ SV2 @ SV5 )
        = ( intersection @ SV5 @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[50]) ).

thf(60,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ~ ( intersect @ SV3 @ SV6 )
        | ( intersect @ SV6 @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[51]) ).

thf(61,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ~ ( member @ SX2 @ SX1 ) )
            | ( intersect @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[52]) ).

thf(62,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( intersect @ SX0 @ SX1 )
            | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[52]) ).

thf(63,plain,
    ( ( ~ ( intersect @ sK1_B @ sK2_SY20 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[53]) ).

thf(64,plain,
    ( ( ~ ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[53]) ).

thf(65,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[54]) ).

thf(66,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[54]) ).

thf(67,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[55]) ).

thf(68,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)],[55]) ).

thf(69,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY23: $i,SY24: $i] :
              ( ~ ( member @ SY24 @ SV4 )
              | ~ ( member @ SY24 @ SY23 )
              | ( member @ SY24 @ ( intersection @ SV4 @ SY23 ) ) )
        | ~ ~ ( ~ ! [SY25: $i,SY26: $i] :
                    ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
                    | ( member @ SY26 @ SV4 ) )
              | ~ ! [SY27: $i,SY28: $i] :
                    ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
                    | ( member @ SY28 @ SY27 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(70,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ( not_equal @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[57]) ).

thf(71,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( not_equal @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[57]) ).

thf(72,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ( ~ ( intersect @ SV3 @ SV6 ) )
        = $true )
      | ( ( intersect @ SV6 @ SV3 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[60]) ).

thf(73,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ~ ( member @ SX2 @ SX1 ) )
          | ( intersect @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[61]) ).

thf(74,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( intersect @ SX0 @ SX1 )
          | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[62]) ).

thf(75,plain,
    ( ( intersect @ sK1_B @ sK2_SY20 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[63]) ).

thf(76,plain,
    ( ( ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[64]) ).

thf(77,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[65]) ).

thf(78,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[66]) ).

thf(79,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[67]) ).

thf(80,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)],[68]) ).

thf(81,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY23: $i,SY24: $i] :
              ( ~ ( member @ SY24 @ SV4 )
              | ~ ( member @ SY24 @ SY23 )
              | ( member @ SY24 @ ( intersection @ SV4 @ SY23 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[69]) ).

thf(82,plain,
    ! [SV4: $i] :
      ( ( ~ ~ ( ~ ! [SY25: $i,SY26: $i] :
                    ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
                    | ( member @ SY26 @ SV4 ) )
              | ~ ! [SY27: $i,SY28: $i] :
                    ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
                    | ( member @ SY28 @ SY27 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[69]) ).

thf(83,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 = SX1 )
          | ( not_equal @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[70]) ).

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

thf(85,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ( intersect @ SV3 @ SV6 )
        = $false )
      | ( ( intersect @ SV6 @ SV3 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[72]) ).

thf(86,plain,
    ! [SV7: $i] :
      ( ( ! [SY29: $i] :
            ( ! [SY30: $i] :
                ( ~ ( member @ SY30 @ SV7 )
                | ~ ( member @ SY30 @ SY29 ) )
            | ( intersect @ SV7 @ SY29 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[73]) ).

thf(87,plain,
    ! [SV8: $i] :
      ( ( ! [SY31: $i] :
            ( ~ ( intersect @ SV8 @ SY31 )
            | ~ ( ~ ( member @ ( sK5_D @ SY31 @ SV8 ) @ SV8 )
                | ~ ( member @ ( sK5_D @ SY31 @ SV8 ) @ SY31 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(88,plain,
    ( ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(89,plain,
    ! [SV9: $i] :
      ( ( ( member @ ( sK3_C @ SV9 ) @ SV9 )
        | ( empty @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[77]) ).

thf(90,plain,
    ! [SV10: $i] :
      ( ( ~ ( empty @ SV10 )
        | ! [SY32: $i] :
            ~ ( member @ SY32 @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[78]) ).

thf(91,plain,
    ! [SV11: $i] :
      ( ( ! [SY33: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SY33 @ SV11 ) @ SV11 )
                    | ~ ( member @ ( sK4_D @ SY33 @ SV11 ) @ SY33 ) )
                | ~ ( ( member @ ( sK4_D @ SY33 @ SV11 ) @ SV11 )
                    | ( member @ ( sK4_D @ SY33 @ SV11 ) @ SY33 ) ) )
            | ( SV11 = SY33 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[79]) ).

thf(92,plain,
    ! [SV12: $i] :
      ( ( ! [SY34: $i] :
            ( ( SV12 != SY34 )
            | ~ ( ~ ! [SY35: $i] :
                      ( ~ ( member @ SY35 @ SV12 )
                      | ( member @ SY35 @ SY34 ) )
                | ~ ! [SY36: $i] :
                      ( ~ ( member @ SY36 @ SY34 )
                      | ( member @ SY36 @ SV12 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[80]) ).

thf(93,plain,
    ! [SV4: $i] :
      ( ( ! [SY23: $i,SY24: $i] :
            ( ~ ( member @ SY24 @ SV4 )
            | ~ ( member @ SY24 @ SY23 )
            | ( member @ SY24 @ ( intersection @ SV4 @ SY23 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[81]) ).

thf(94,plain,
    ! [SV4: $i] :
      ( ( ~ ( ~ ! [SY25: $i,SY26: $i] :
                  ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
                  | ( member @ SY26 @ SV4 ) )
            | ~ ! [SY27: $i,SY28: $i] :
                  ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
                  | ( member @ SY28 @ SY27 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[82]) ).

thf(95,plain,
    ! [SV13: $i] :
      ( ( ! [SY37: $i] :
            ( ( SV13 = SY37 )
            | ( not_equal @ SV13 @ SY37 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[83]) ).

thf(96,plain,
    ! [SV14: $i] :
      ( ( ! [SY38: $i] :
            ( ~ ( not_equal @ SV14 @ SY38 )
            | ( SV14 != SY38 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[84]) ).

thf(97,plain,
    ! [SV15: $i,SV7: $i] :
      ( ( ! [SY39: $i] :
            ( ~ ( member @ SY39 @ SV7 )
            | ~ ( member @ SY39 @ SV15 ) )
        | ( intersect @ SV7 @ SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[86]) ).

thf(98,plain,
    ! [SV16: $i,SV8: $i] :
      ( ( ~ ( intersect @ SV8 @ SV16 )
        | ~ ( ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV8 )
            | ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV16 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[87]) ).

thf(99,plain,
    ! [SV9: $i] :
      ( ( ( member @ ( sK3_C @ SV9 ) @ SV9 )
        = $true )
      | ( ( empty @ SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[89]) ).

thf(100,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( empty @ SV10 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ~ ( member @ SY32 @ SV10 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[90]) ).

thf(101,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
                | ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
            | ~ ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
                | ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) ) )
        | ( SV11 = SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[91]) ).

thf(102,plain,
    ! [SV18: $i,SV12: $i] :
      ( ( ( SV12 != SV18 )
        | ~ ( ~ ! [SY40: $i] :
                  ( ~ ( member @ SY40 @ SV12 )
                  | ( member @ SY40 @ SV18 ) )
            | ~ ! [SY41: $i] :
                  ( ~ ( member @ SY41 @ SV18 )
                  | ( member @ SY41 @ SV12 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(103,plain,
    ! [SV19: $i,SV4: $i] :
      ( ( ! [SY42: $i] :
            ( ~ ( member @ SY42 @ SV4 )
            | ~ ( member @ SY42 @ SV19 )
            | ( member @ SY42 @ ( intersection @ SV4 @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(104,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY25: $i,SY26: $i] :
              ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
              | ( member @ SY26 @ SV4 ) )
        | ~ ! [SY27: $i,SY28: $i] :
              ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
              | ( member @ SY28 @ SY27 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[94]) ).

thf(105,plain,
    ! [SV20: $i,SV13: $i] :
      ( ( ( SV13 = SV20 )
        | ( not_equal @ SV13 @ SV20 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[95]) ).

thf(106,plain,
    ! [SV21: $i,SV14: $i] :
      ( ( ~ ( not_equal @ SV14 @ SV21 )
        | ( SV14 != SV21 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[96]) ).

thf(107,plain,
    ! [SV15: $i,SV7: $i] :
      ( ( ( ! [SY39: $i] :
              ( ~ ( member @ SY39 @ SV7 )
              | ~ ( member @ SY39 @ SV15 ) ) )
        = $true )
      | ( ( intersect @ SV7 @ SV15 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[97]) ).

thf(108,plain,
    ! [SV16: $i,SV8: $i] :
      ( ( ( ~ ( intersect @ SV8 @ SV16 ) )
        = $true )
      | ( ( ~ ( ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV8 )
              | ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[98]) ).

thf(109,plain,
    ! [SV10: $i] :
      ( ( ( empty @ SV10 )
        = $false )
      | ( ( ! [SY32: $i] :
              ~ ( member @ SY32 @ SV10 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[100]) ).

thf(110,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
                  | ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
              | ~ ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
                  | ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) ) ) )
        = $true )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[101]) ).

thf(111,plain,
    ! [SV18: $i,SV12: $i] :
      ( ( ( ( SV12 != SV18 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY40: $i] :
                    ( ~ ( member @ SY40 @ SV12 )
                    | ( member @ SY40 @ SV18 ) )
              | ~ ! [SY41: $i] :
                    ( ~ ( member @ SY41 @ SV18 )
                    | ( member @ SY41 @ SV12 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[102]) ).

thf(112,plain,
    ! [SV19: $i,SV4: $i,SV22: $i] :
      ( ( ~ ( member @ SV22 @ SV4 )
        | ~ ( member @ SV22 @ SV19 )
        | ( member @ SV22 @ ( intersection @ SV4 @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[103]) ).

thf(113,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY25: $i,SY26: $i] :
              ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
              | ( member @ SY26 @ SV4 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[104]) ).

thf(114,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY27: $i,SY28: $i] :
              ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
              | ( member @ SY28 @ SY27 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[104]) ).

thf(115,plain,
    ! [SV20: $i,SV13: $i] :
      ( ( ( SV13 = SV20 )
        = $true )
      | ( ( not_equal @ SV13 @ SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[105]) ).

thf(116,plain,
    ! [SV21: $i,SV14: $i] :
      ( ( ( ~ ( not_equal @ SV14 @ SV21 ) )
        = $true )
      | ( ( ( SV14 != SV21 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[106]) ).

thf(117,plain,
    ! [SV15: $i,SV7: $i,SV23: $i] :
      ( ( ( ~ ( member @ SV23 @ SV7 )
          | ~ ( member @ SV23 @ SV15 ) )
        = $true )
      | ( ( intersect @ SV7 @ SV15 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(118,plain,
    ! [SV16: $i,SV8: $i] :
      ( ( ( intersect @ SV8 @ SV16 )
        = $false )
      | ( ( ~ ( ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV8 )
              | ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[108]) ).

thf(119,plain,
    ! [SV10: $i,SV24: $i] :
      ( ( ( ~ ( member @ SV24 @ SV10 ) )
        = $true )
      | ( ( empty @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[109]) ).

thf(120,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
              | ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
          | ~ ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
              | ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) ) )
        = $false )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[110]) ).

thf(121,plain,
    ! [SV18: $i,SV12: $i] :
      ( ( ( SV12 = SV18 )
        = $false )
      | ( ( ~ ( ~ ! [SY40: $i] :
                    ( ~ ( member @ SY40 @ SV12 )
                    | ( member @ SY40 @ SV18 ) )
              | ~ ! [SY41: $i] :
                    ( ~ ( member @ SY41 @ SV18 )
                    | ( member @ SY41 @ SV12 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[111]) ).

thf(122,plain,
    ! [SV19: $i,SV4: $i,SV22: $i] :
      ( ( ( ~ ( member @ SV22 @ SV4 )
          | ~ ( member @ SV22 @ SV19 ) )
        = $true )
      | ( ( member @ SV22 @ ( intersection @ SV4 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[112]) ).

thf(123,plain,
    ! [SV4: $i] :
      ( ( ! [SY25: $i,SY26: $i] :
            ( ~ ( member @ SY26 @ ( intersection @ SV4 @ SY25 ) )
            | ( member @ SY26 @ SV4 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[113]) ).

thf(124,plain,
    ! [SV4: $i] :
      ( ( ! [SY27: $i,SY28: $i] :
            ( ~ ( member @ SY28 @ ( intersection @ SV4 @ SY27 ) )
            | ( member @ SY28 @ SY27 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[114]) ).

thf(125,plain,
    ! [SV21: $i,SV14: $i] :
      ( ( ( not_equal @ SV14 @ SV21 )
        = $false )
      | ( ( ( SV14 != SV21 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[116]) ).

thf(126,plain,
    ! [SV15: $i,SV7: $i,SV23: $i] :
      ( ( ( ~ ( member @ SV23 @ SV7 ) )
        = $true )
      | ( ( ~ ( member @ SV23 @ SV15 ) )
        = $true )
      | ( ( intersect @ SV7 @ SV15 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[117]) ).

thf(127,plain,
    ! [SV8: $i,SV16: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV8 )
          | ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV16 ) )
        = $false )
      | ( ( intersect @ SV8 @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[118]) ).

thf(128,plain,
    ! [SV10: $i,SV24: $i] :
      ( ( ( member @ SV24 @ SV10 )
        = $false )
      | ( ( empty @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[119]) ).

thf(129,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
              | ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) ) )
        = $false )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[120]) ).

thf(130,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ~ ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
              | ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) ) )
        = $false )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[120]) ).

thf(131,plain,
    ! [SV18: $i,SV12: $i] :
      ( ( ( ~ ! [SY40: $i] :
                ( ~ ( member @ SY40 @ SV12 )
                | ( member @ SY40 @ SV18 ) )
          | ~ ! [SY41: $i] :
                ( ~ ( member @ SY41 @ SV18 )
                | ( member @ SY41 @ SV12 ) ) )
        = $false )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[121]) ).

thf(132,plain,
    ! [SV19: $i,SV4: $i,SV22: $i] :
      ( ( ( ~ ( member @ SV22 @ SV4 ) )
        = $true )
      | ( ( ~ ( member @ SV22 @ SV19 ) )
        = $true )
      | ( ( member @ SV22 @ ( intersection @ SV4 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[122]) ).

thf(133,plain,
    ! [SV25: $i,SV4: $i] :
      ( ( ! [SY43: $i] :
            ( ~ ( member @ SY43 @ ( intersection @ SV4 @ SV25 ) )
            | ( member @ SY43 @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[123]) ).

thf(134,plain,
    ! [SV26: $i,SV4: $i] :
      ( ( ! [SY44: $i] :
            ( ~ ( member @ SY44 @ ( intersection @ SV4 @ SV26 ) )
            | ( member @ SY44 @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[124]) ).

thf(135,plain,
    ! [SV21: $i,SV14: $i] :
      ( ( ( SV14 = SV21 )
        = $false )
      | ( ( not_equal @ SV14 @ SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[125]) ).

thf(136,plain,
    ! [SV15: $i,SV7: $i,SV23: $i] :
      ( ( ( member @ SV23 @ SV7 )
        = $false )
      | ( ( ~ ( member @ SV23 @ SV15 ) )
        = $true )
      | ( ( intersect @ SV7 @ SV15 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[126]) ).

thf(137,plain,
    ! [SV8: $i,SV16: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV8 ) )
        = $false )
      | ( ( intersect @ SV8 @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[127]) ).

thf(138,plain,
    ! [SV8: $i,SV16: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV16 ) )
        = $false )
      | ( ( intersect @ SV8 @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[127]) ).

thf(139,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
          | ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
        = $true )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[129]) ).

thf(140,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
          | ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
        = $true )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[130]) ).

thf(141,plain,
    ! [SV18: $i,SV12: $i] :
      ( ( ( ~ ! [SY40: $i] :
                ( ~ ( member @ SY40 @ SV12 )
                | ( member @ SY40 @ SV18 ) ) )
        = $false )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[131]) ).

thf(142,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ~ ! [SY41: $i] :
                ( ~ ( member @ SY41 @ SV18 )
                | ( member @ SY41 @ SV12 ) ) )
        = $false )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[131]) ).

thf(143,plain,
    ! [SV19: $i,SV4: $i,SV22: $i] :
      ( ( ( member @ SV22 @ SV4 )
        = $false )
      | ( ( ~ ( member @ SV22 @ SV19 ) )
        = $true )
      | ( ( member @ SV22 @ ( intersection @ SV4 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[132]) ).

thf(144,plain,
    ! [SV25: $i,SV4: $i,SV27: $i] :
      ( ( ~ ( member @ SV27 @ ( intersection @ SV4 @ SV25 ) )
        | ( member @ SV27 @ SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[133]) ).

thf(145,plain,
    ! [SV26: $i,SV4: $i,SV28: $i] :
      ( ( ~ ( member @ SV28 @ ( intersection @ SV4 @ SV26 ) )
        | ( member @ SV28 @ SV26 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[134]) ).

thf(146,plain,
    ! [SV7: $i,SV15: $i,SV23: $i] :
      ( ( ( member @ SV23 @ SV15 )
        = $false )
      | ( ( member @ SV23 @ SV7 )
        = $false )
      | ( ( intersect @ SV7 @ SV15 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[136]) ).

thf(147,plain,
    ! [SV8: $i,SV16: $i] :
      ( ( ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV8 )
        = $true )
      | ( ( intersect @ SV8 @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[137]) ).

thf(148,plain,
    ! [SV8: $i,SV16: $i] :
      ( ( ( member @ ( sK5_D @ SV16 @ SV8 ) @ SV16 )
        = $true )
      | ( ( intersect @ SV8 @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[138]) ).

thf(149,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 ) )
        = $true )
      | ( ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
        = $true )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[139]) ).

thf(150,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
        = $true )
      | ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 )
        = $true )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[140]) ).

thf(151,plain,
    ! [SV18: $i,SV12: $i] :
      ( ( ( ! [SY40: $i] :
              ( ~ ( member @ SY40 @ SV12 )
              | ( member @ SY40 @ SV18 ) ) )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[141]) ).

thf(152,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ! [SY41: $i] :
              ( ~ ( member @ SY41 @ SV18 )
              | ( member @ SY41 @ SV12 ) ) )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[142]) ).

thf(153,plain,
    ! [SV4: $i,SV19: $i,SV22: $i] :
      ( ( ( member @ SV22 @ SV19 )
        = $false )
      | ( ( member @ SV22 @ SV4 )
        = $false )
      | ( ( member @ SV22 @ ( intersection @ SV4 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[143]) ).

thf(154,plain,
    ! [SV25: $i,SV4: $i,SV27: $i] :
      ( ( ( ~ ( member @ SV27 @ ( intersection @ SV4 @ SV25 ) ) )
        = $true )
      | ( ( member @ SV27 @ SV4 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[144]) ).

thf(155,plain,
    ! [SV26: $i,SV4: $i,SV28: $i] :
      ( ( ( ~ ( member @ SV28 @ ( intersection @ SV4 @ SV26 ) ) )
        = $true )
      | ( ( member @ SV28 @ SV26 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[145]) ).

thf(156,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
        = $false )
      | ( ( ~ ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 ) )
        = $true )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[149]) ).

thf(157,plain,
    ! [SV18: $i,SV12: $i,SV29: $i] :
      ( ( ( ~ ( member @ SV29 @ SV12 )
          | ( member @ SV29 @ SV18 ) )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[151]) ).

thf(158,plain,
    ! [SV12: $i,SV18: $i,SV30: $i] :
      ( ( ( ~ ( member @ SV30 @ SV18 )
          | ( member @ SV30 @ SV12 ) )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[152]) ).

thf(159,plain,
    ! [SV25: $i,SV4: $i,SV27: $i] :
      ( ( ( member @ SV27 @ ( intersection @ SV4 @ SV25 ) )
        = $false )
      | ( ( member @ SV27 @ SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[154]) ).

thf(160,plain,
    ! [SV26: $i,SV4: $i,SV28: $i] :
      ( ( ( member @ SV28 @ ( intersection @ SV4 @ SV26 ) )
        = $false )
      | ( ( member @ SV28 @ SV26 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(161,plain,
    ! [SV11: $i,SV17: $i] :
      ( ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV17 )
        = $false )
      | ( ( member @ ( sK4_D @ SV17 @ SV11 ) @ SV11 )
        = $false )
      | ( ( SV11 = SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[156]) ).

thf(162,plain,
    ! [SV18: $i,SV12: $i,SV29: $i] :
      ( ( ( ~ ( member @ SV29 @ SV12 ) )
        = $true )
      | ( ( member @ SV29 @ SV18 )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[157]) ).

thf(163,plain,
    ! [SV12: $i,SV18: $i,SV30: $i] :
      ( ( ( ~ ( member @ SV30 @ SV18 ) )
        = $true )
      | ( ( member @ SV30 @ SV12 )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[158]) ).

thf(164,plain,
    ! [SV18: $i,SV12: $i,SV29: $i] :
      ( ( ( member @ SV29 @ SV12 )
        = $false )
      | ( ( member @ SV29 @ SV18 )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[162]) ).

thf(165,plain,
    ! [SV12: $i,SV18: $i,SV30: $i] :
      ( ( ( member @ SV30 @ SV18 )
        = $false )
      | ( ( member @ SV30 @ SV12 )
        = $true )
      | ( ( SV12 = SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[163]) ).

thf(166,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[58,165,164,161,160,159,153,150,148,147,146,135,128,115,99,88,85,75,59]) ).

thf(167,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)],[33]) ).

thf(168,plain,
    ( ( ! [B: $i,C: $i] :
          ( ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ~ ( member @ D @ C ) )
          | ( intersect @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( intersect @ B @ C )
          | ( ( member @ ( sK5_D @ C @ B ) @ B )
            & ( member @ ( sK5_D @ C @ B ) @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(169,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[17]) ).

thf(170,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK4_D @ C @ B ) @ B )
              | ~ ( member @ ( sK4_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK4_D @ C @ B ) @ B )
              | ( member @ ( sK4_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)],[31]) ).

thf(171,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
          | ( not_equal @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( not_equal @ B @ C )
          | ( B != C ) ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(172,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(173,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( intersect @ B @ C )
          | ( intersect @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(174,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK3_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[28]) ).

thf(175,plain,
    ( ( ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
      & ~ ( intersect @ sK1_B @ sK2_SY20 ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(176,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                        | ( member @ ( sK4_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)],[170]) ).

thf(177,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)],[167]) ).

thf(178,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)],[174]) ).

thf(179,plain,
    ( ( ~ ( ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
          | ~ ~ ( intersect @ sK1_B @ sK2_SY20 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(180,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 = SX1 )
                | ( not_equal @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( not_equal @ SX0 @ SX1 )
                | ( SX0 != SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[171]) ).

thf(181,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ~ ( member @ SX2 @ SX1 ) )
                | ( intersect @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( intersect @ SX0 @ SX1 )
                | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(182,plain,
    ! [SV31: $i] :
      ( ( ~ ( member @ SV31 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[169]) ).

thf(183,plain,
    ! [SV32: $i] :
      ( ( ! [SY45: $i] :
            ( ( intersection @ SV32 @ SY45 )
            = ( intersection @ SY45 @ SV32 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(184,plain,
    ! [SV33: $i] :
      ( ( ! [SY46: $i] :
            ( ~ ( intersect @ SV33 @ SY46 )
            | ( intersect @ SY46 @ SV33 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[173]) ).

thf(185,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK4_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)],[176]) ).

thf(186,plain,
    ! [SV34: $i] :
      ( ( ~ ( ~ ! [SY47: $i,SY48: $i] :
                  ( ~ ( member @ SY48 @ SV34 )
                  | ~ ( member @ SY48 @ SY47 )
                  | ( member @ SY48 @ ( intersection @ SV34 @ SY47 ) ) )
            | ~ ~ ( ~ ! [SY49: $i,SY50: $i] :
                        ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
                        | ( member @ SY50 @ SV34 ) )
                  | ~ ! [SY51: $i,SY52: $i] :
                        ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
                        | ( member @ SY52 @ SY51 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[177]) ).

thf(187,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)],[178]) ).

thf(188,plain,
    ( ( ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
      | ~ ~ ( intersect @ sK1_B @ sK2_SY20 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[179]) ).

thf(189,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ( not_equal @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( not_equal @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[180]) ).

thf(190,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ~ ( member @ SX2 @ SX1 ) )
            | ( intersect @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( intersect @ SX0 @ SX1 )
            | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(191,plain,
    ! [SV31: $i] :
      ( ( member @ SV31 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(192,plain,
    ! [SV35: $i,SV32: $i] :
      ( ( ( intersection @ SV32 @ SV35 )
        = ( intersection @ SV35 @ SV32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[183]) ).

thf(193,plain,
    ! [SV36: $i,SV33: $i] :
      ( ( ~ ( intersect @ SV33 @ SV36 )
        | ( intersect @ SV36 @ SV33 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[184]) ).

thf(194,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[185]) ).

thf(195,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)],[185]) ).

thf(196,plain,
    ! [SV34: $i] :
      ( ( ~ ! [SY47: $i,SY48: $i] :
              ( ~ ( member @ SY48 @ SV34 )
              | ~ ( member @ SY48 @ SY47 )
              | ( member @ SY48 @ ( intersection @ SV34 @ SY47 ) ) )
        | ~ ~ ( ~ ! [SY49: $i,SY50: $i] :
                    ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
                    | ( member @ SY50 @ SV34 ) )
              | ~ ! [SY51: $i,SY52: $i] :
                    ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
                    | ( member @ SY52 @ SY51 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[186]) ).

thf(197,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[187]) ).

thf(198,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[187]) ).

thf(199,plain,
    ( ( ~ ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[188]) ).

thf(200,plain,
    ( ( ~ ~ ( intersect @ sK1_B @ sK2_SY20 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[188]) ).

thf(201,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 = SX1 )
            | ( not_equal @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[189]) ).

thf(202,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( not_equal @ SX0 @ SX1 )
            | ( SX0 != SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[189]) ).

thf(203,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ~ ( member @ SX2 @ SX1 ) )
            | ( intersect @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[190]) ).

thf(204,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( intersect @ SX0 @ SX1 )
            | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[190]) ).

thf(205,plain,
    ! [SV36: $i,SV33: $i] :
      ( ( ( ~ ( intersect @ SV33 @ SV36 ) )
        = $true )
      | ( ( intersect @ SV36 @ SV33 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[193]) ).

thf(206,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK4_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[194]) ).

thf(207,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)],[195]) ).

thf(208,plain,
    ! [SV34: $i] :
      ( ( ~ ! [SY47: $i,SY48: $i] :
              ( ~ ( member @ SY48 @ SV34 )
              | ~ ( member @ SY48 @ SY47 )
              | ( member @ SY48 @ ( intersection @ SV34 @ SY47 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[196]) ).

thf(209,plain,
    ! [SV34: $i] :
      ( ( ~ ~ ( ~ ! [SY49: $i,SY50: $i] :
                    ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
                    | ( member @ SY50 @ SV34 ) )
              | ~ ! [SY51: $i,SY52: $i] :
                    ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
                    | ( member @ SY52 @ SY51 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[196]) ).

thf(210,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK3_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[197]) ).

thf(211,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[198]) ).

thf(212,plain,
    ( ( not_equal @ ( intersection @ sK1_B @ sK2_SY20 ) @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[199]) ).

thf(213,plain,
    ( ( ~ ( intersect @ sK1_B @ sK2_SY20 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[200]) ).

thf(214,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 = SX1 )
          | ( not_equal @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[201]) ).

thf(215,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( not_equal @ SX0 @ SX1 )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[202]) ).

thf(216,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ~ ( member @ SX2 @ SX1 ) )
          | ( intersect @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[203]) ).

thf(217,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( intersect @ SX0 @ SX1 )
          | ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[204]) ).

thf(218,plain,
    ! [SV36: $i,SV33: $i] :
      ( ( ( intersect @ SV33 @ SV36 )
        = $false )
      | ( ( intersect @ SV36 @ SV33 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[205]) ).

thf(219,plain,
    ! [SV37: $i] :
      ( ( ! [SY53: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SY53 @ SV37 ) @ SV37 )
                    | ~ ( member @ ( sK4_D @ SY53 @ SV37 ) @ SY53 ) )
                | ~ ( ( member @ ( sK4_D @ SY53 @ SV37 ) @ SV37 )
                    | ( member @ ( sK4_D @ SY53 @ SV37 ) @ SY53 ) ) )
            | ( SV37 = SY53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[206]) ).

thf(220,plain,
    ! [SV38: $i] :
      ( ( ! [SY54: $i] :
            ( ( SV38 != SY54 )
            | ~ ( ~ ! [SY55: $i] :
                      ( ~ ( member @ SY55 @ SV38 )
                      | ( member @ SY55 @ SY54 ) )
                | ~ ! [SY56: $i] :
                      ( ~ ( member @ SY56 @ SY54 )
                      | ( member @ SY56 @ SV38 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[207]) ).

thf(221,plain,
    ! [SV34: $i] :
      ( ( ! [SY47: $i,SY48: $i] :
            ( ~ ( member @ SY48 @ SV34 )
            | ~ ( member @ SY48 @ SY47 )
            | ( member @ SY48 @ ( intersection @ SV34 @ SY47 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[208]) ).

thf(222,plain,
    ! [SV34: $i] :
      ( ( ~ ( ~ ! [SY49: $i,SY50: $i] :
                  ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
                  | ( member @ SY50 @ SV34 ) )
            | ~ ! [SY51: $i,SY52: $i] :
                  ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
                  | ( member @ SY52 @ SY51 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[209]) ).

thf(223,plain,
    ! [SV39: $i] :
      ( ( ( member @ ( sK3_C @ SV39 ) @ SV39 )
        | ( empty @ SV39 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[210]) ).

thf(224,plain,
    ! [SV40: $i] :
      ( ( ~ ( empty @ SV40 )
        | ! [SY57: $i] :
            ~ ( member @ SY57 @ SV40 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[211]) ).

thf(225,plain,
    ( ( intersect @ sK1_B @ sK2_SY20 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[213]) ).

thf(226,plain,
    ! [SV41: $i] :
      ( ( ! [SY58: $i] :
            ( ( SV41 = SY58 )
            | ( not_equal @ SV41 @ SY58 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[214]) ).

thf(227,plain,
    ! [SV42: $i] :
      ( ( ! [SY59: $i] :
            ( ~ ( not_equal @ SV42 @ SY59 )
            | ( SV42 != SY59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[215]) ).

thf(228,plain,
    ! [SV43: $i] :
      ( ( ! [SY60: $i] :
            ( ! [SY61: $i] :
                ( ~ ( member @ SY61 @ SV43 )
                | ~ ( member @ SY61 @ SY60 ) )
            | ( intersect @ SV43 @ SY60 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[216]) ).

thf(229,plain,
    ! [SV44: $i] :
      ( ( ! [SY62: $i] :
            ( ~ ( intersect @ SV44 @ SY62 )
            | ~ ( ~ ( member @ ( sK5_D @ SY62 @ SV44 ) @ SV44 )
                | ~ ( member @ ( sK5_D @ SY62 @ SV44 ) @ SY62 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[217]) ).

thf(230,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
                | ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
            | ~ ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
                | ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) ) )
        | ( SV37 = SV45 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[219]) ).

thf(231,plain,
    ! [SV46: $i,SV38: $i] :
      ( ( ( SV38 != SV46 )
        | ~ ( ~ ! [SY63: $i] :
                  ( ~ ( member @ SY63 @ SV38 )
                  | ( member @ SY63 @ SV46 ) )
            | ~ ! [SY64: $i] :
                  ( ~ ( member @ SY64 @ SV46 )
                  | ( member @ SY64 @ SV38 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[220]) ).

thf(232,plain,
    ! [SV47: $i,SV34: $i] :
      ( ( ! [SY65: $i] :
            ( ~ ( member @ SY65 @ SV34 )
            | ~ ( member @ SY65 @ SV47 )
            | ( member @ SY65 @ ( intersection @ SV34 @ SV47 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[221]) ).

thf(233,plain,
    ! [SV34: $i] :
      ( ( ~ ! [SY49: $i,SY50: $i] :
              ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
              | ( member @ SY50 @ SV34 ) )
        | ~ ! [SY51: $i,SY52: $i] :
              ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
              | ( member @ SY52 @ SY51 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[222]) ).

thf(234,plain,
    ! [SV39: $i] :
      ( ( ( member @ ( sK3_C @ SV39 ) @ SV39 )
        = $true )
      | ( ( empty @ SV39 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[223]) ).

thf(235,plain,
    ! [SV40: $i] :
      ( ( ( ~ ( empty @ SV40 ) )
        = $true )
      | ( ( ! [SY57: $i] :
              ~ ( member @ SY57 @ SV40 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[224]) ).

thf(236,plain,
    ! [SV48: $i,SV41: $i] :
      ( ( ( SV41 = SV48 )
        | ( not_equal @ SV41 @ SV48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[226]) ).

thf(237,plain,
    ! [SV49: $i,SV42: $i] :
      ( ( ~ ( not_equal @ SV42 @ SV49 )
        | ( SV42 != SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[227]) ).

thf(238,plain,
    ! [SV50: $i,SV43: $i] :
      ( ( ! [SY66: $i] :
            ( ~ ( member @ SY66 @ SV43 )
            | ~ ( member @ SY66 @ SV50 ) )
        | ( intersect @ SV43 @ SV50 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[228]) ).

thf(239,plain,
    ! [SV51: $i,SV44: $i] :
      ( ( ~ ( intersect @ SV44 @ SV51 )
        | ~ ( ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV44 )
            | ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV51 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[229]) ).

thf(240,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
                  | ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
              | ~ ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
                  | ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) ) ) )
        = $true )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[230]) ).

thf(241,plain,
    ! [SV46: $i,SV38: $i] :
      ( ( ( ( SV38 != SV46 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY63: $i] :
                    ( ~ ( member @ SY63 @ SV38 )
                    | ( member @ SY63 @ SV46 ) )
              | ~ ! [SY64: $i] :
                    ( ~ ( member @ SY64 @ SV46 )
                    | ( member @ SY64 @ SV38 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[231]) ).

thf(242,plain,
    ! [SV47: $i,SV34: $i,SV52: $i] :
      ( ( ~ ( member @ SV52 @ SV34 )
        | ~ ( member @ SV52 @ SV47 )
        | ( member @ SV52 @ ( intersection @ SV34 @ SV47 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[232]) ).

thf(243,plain,
    ! [SV34: $i] :
      ( ( ~ ! [SY49: $i,SY50: $i] :
              ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
              | ( member @ SY50 @ SV34 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[233]) ).

thf(244,plain,
    ! [SV34: $i] :
      ( ( ~ ! [SY51: $i,SY52: $i] :
              ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
              | ( member @ SY52 @ SY51 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[233]) ).

thf(245,plain,
    ! [SV40: $i] :
      ( ( ( empty @ SV40 )
        = $false )
      | ( ( ! [SY57: $i] :
              ~ ( member @ SY57 @ SV40 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[235]) ).

thf(246,plain,
    ! [SV48: $i,SV41: $i] :
      ( ( ( SV41 = SV48 )
        = $true )
      | ( ( not_equal @ SV41 @ SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[236]) ).

thf(247,plain,
    ! [SV49: $i,SV42: $i] :
      ( ( ( ~ ( not_equal @ SV42 @ SV49 ) )
        = $true )
      | ( ( ( SV42 != SV49 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[237]) ).

thf(248,plain,
    ! [SV50: $i,SV43: $i] :
      ( ( ( ! [SY66: $i] :
              ( ~ ( member @ SY66 @ SV43 )
              | ~ ( member @ SY66 @ SV50 ) ) )
        = $true )
      | ( ( intersect @ SV43 @ SV50 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[238]) ).

thf(249,plain,
    ! [SV51: $i,SV44: $i] :
      ( ( ( ~ ( intersect @ SV44 @ SV51 ) )
        = $true )
      | ( ( ~ ( ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV44 )
              | ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV51 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[239]) ).

thf(250,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
              | ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
          | ~ ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
              | ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) ) )
        = $false )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[240]) ).

thf(251,plain,
    ! [SV46: $i,SV38: $i] :
      ( ( ( SV38 = SV46 )
        = $false )
      | ( ( ~ ( ~ ! [SY63: $i] :
                    ( ~ ( member @ SY63 @ SV38 )
                    | ( member @ SY63 @ SV46 ) )
              | ~ ! [SY64: $i] :
                    ( ~ ( member @ SY64 @ SV46 )
                    | ( member @ SY64 @ SV38 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[241]) ).

thf(252,plain,
    ! [SV47: $i,SV34: $i,SV52: $i] :
      ( ( ( ~ ( member @ SV52 @ SV34 )
          | ~ ( member @ SV52 @ SV47 ) )
        = $true )
      | ( ( member @ SV52 @ ( intersection @ SV34 @ SV47 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[242]) ).

thf(253,plain,
    ! [SV34: $i] :
      ( ( ! [SY49: $i,SY50: $i] :
            ( ~ ( member @ SY50 @ ( intersection @ SV34 @ SY49 ) )
            | ( member @ SY50 @ SV34 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[243]) ).

thf(254,plain,
    ! [SV34: $i] :
      ( ( ! [SY51: $i,SY52: $i] :
            ( ~ ( member @ SY52 @ ( intersection @ SV34 @ SY51 ) )
            | ( member @ SY52 @ SY51 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[244]) ).

thf(255,plain,
    ! [SV40: $i,SV53: $i] :
      ( ( ( ~ ( member @ SV53 @ SV40 ) )
        = $true )
      | ( ( empty @ SV40 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[245]) ).

thf(256,plain,
    ! [SV49: $i,SV42: $i] :
      ( ( ( not_equal @ SV42 @ SV49 )
        = $false )
      | ( ( ( SV42 != SV49 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[247]) ).

thf(257,plain,
    ! [SV50: $i,SV43: $i,SV54: $i] :
      ( ( ( ~ ( member @ SV54 @ SV43 )
          | ~ ( member @ SV54 @ SV50 ) )
        = $true )
      | ( ( intersect @ SV43 @ SV50 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[248]) ).

thf(258,plain,
    ! [SV51: $i,SV44: $i] :
      ( ( ( intersect @ SV44 @ SV51 )
        = $false )
      | ( ( ~ ( ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV44 )
              | ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV51 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[249]) ).

thf(259,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
              | ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) ) )
        = $false )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[250]) ).

thf(260,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ~ ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
              | ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) ) )
        = $false )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[250]) ).

thf(261,plain,
    ! [SV46: $i,SV38: $i] :
      ( ( ( ~ ! [SY63: $i] :
                ( ~ ( member @ SY63 @ SV38 )
                | ( member @ SY63 @ SV46 ) )
          | ~ ! [SY64: $i] :
                ( ~ ( member @ SY64 @ SV46 )
                | ( member @ SY64 @ SV38 ) ) )
        = $false )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[251]) ).

thf(262,plain,
    ! [SV47: $i,SV34: $i,SV52: $i] :
      ( ( ( ~ ( member @ SV52 @ SV34 ) )
        = $true )
      | ( ( ~ ( member @ SV52 @ SV47 ) )
        = $true )
      | ( ( member @ SV52 @ ( intersection @ SV34 @ SV47 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[252]) ).

thf(263,plain,
    ! [SV55: $i,SV34: $i] :
      ( ( ! [SY67: $i] :
            ( ~ ( member @ SY67 @ ( intersection @ SV34 @ SV55 ) )
            | ( member @ SY67 @ SV34 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[253]) ).

thf(264,plain,
    ! [SV56: $i,SV34: $i] :
      ( ( ! [SY68: $i] :
            ( ~ ( member @ SY68 @ ( intersection @ SV34 @ SV56 ) )
            | ( member @ SY68 @ SV56 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[254]) ).

thf(265,plain,
    ! [SV40: $i,SV53: $i] :
      ( ( ( member @ SV53 @ SV40 )
        = $false )
      | ( ( empty @ SV40 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[255]) ).

thf(266,plain,
    ! [SV49: $i,SV42: $i] :
      ( ( ( SV42 = SV49 )
        = $false )
      | ( ( not_equal @ SV42 @ SV49 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[256]) ).

thf(267,plain,
    ! [SV50: $i,SV43: $i,SV54: $i] :
      ( ( ( ~ ( member @ SV54 @ SV43 ) )
        = $true )
      | ( ( ~ ( member @ SV54 @ SV50 ) )
        = $true )
      | ( ( intersect @ SV43 @ SV50 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[257]) ).

thf(268,plain,
    ! [SV44: $i,SV51: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV44 )
          | ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV51 ) )
        = $false )
      | ( ( intersect @ SV44 @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[258]) ).

thf(269,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
          | ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
        = $true )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[259]) ).

thf(270,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
          | ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
        = $true )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[260]) ).

thf(271,plain,
    ! [SV46: $i,SV38: $i] :
      ( ( ( ~ ! [SY63: $i] :
                ( ~ ( member @ SY63 @ SV38 )
                | ( member @ SY63 @ SV46 ) ) )
        = $false )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[261]) ).

thf(272,plain,
    ! [SV38: $i,SV46: $i] :
      ( ( ( ~ ! [SY64: $i] :
                ( ~ ( member @ SY64 @ SV46 )
                | ( member @ SY64 @ SV38 ) ) )
        = $false )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[261]) ).

thf(273,plain,
    ! [SV47: $i,SV34: $i,SV52: $i] :
      ( ( ( member @ SV52 @ SV34 )
        = $false )
      | ( ( ~ ( member @ SV52 @ SV47 ) )
        = $true )
      | ( ( member @ SV52 @ ( intersection @ SV34 @ SV47 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[262]) ).

thf(274,plain,
    ! [SV55: $i,SV34: $i,SV57: $i] :
      ( ( ~ ( member @ SV57 @ ( intersection @ SV34 @ SV55 ) )
        | ( member @ SV57 @ SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[263]) ).

thf(275,plain,
    ! [SV56: $i,SV34: $i,SV58: $i] :
      ( ( ~ ( member @ SV58 @ ( intersection @ SV34 @ SV56 ) )
        | ( member @ SV58 @ SV56 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[264]) ).

thf(276,plain,
    ! [SV50: $i,SV43: $i,SV54: $i] :
      ( ( ( member @ SV54 @ SV43 )
        = $false )
      | ( ( ~ ( member @ SV54 @ SV50 ) )
        = $true )
      | ( ( intersect @ SV43 @ SV50 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[267]) ).

thf(277,plain,
    ! [SV44: $i,SV51: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV44 ) )
        = $false )
      | ( ( intersect @ SV44 @ SV51 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[268]) ).

thf(278,plain,
    ! [SV44: $i,SV51: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV51 ) )
        = $false )
      | ( ( intersect @ SV44 @ SV51 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[268]) ).

thf(279,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 ) )
        = $true )
      | ( ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
        = $true )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[269]) ).

thf(280,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
        = $true )
      | ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 )
        = $true )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[270]) ).

thf(281,plain,
    ! [SV46: $i,SV38: $i] :
      ( ( ( ! [SY63: $i] :
              ( ~ ( member @ SY63 @ SV38 )
              | ( member @ SY63 @ SV46 ) ) )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[271]) ).

thf(282,plain,
    ! [SV38: $i,SV46: $i] :
      ( ( ( ! [SY64: $i] :
              ( ~ ( member @ SY64 @ SV46 )
              | ( member @ SY64 @ SV38 ) ) )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[272]) ).

thf(283,plain,
    ! [SV34: $i,SV47: $i,SV52: $i] :
      ( ( ( member @ SV52 @ SV47 )
        = $false )
      | ( ( member @ SV52 @ SV34 )
        = $false )
      | ( ( member @ SV52 @ ( intersection @ SV34 @ SV47 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[273]) ).

thf(284,plain,
    ! [SV55: $i,SV34: $i,SV57: $i] :
      ( ( ( ~ ( member @ SV57 @ ( intersection @ SV34 @ SV55 ) ) )
        = $true )
      | ( ( member @ SV57 @ SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[274]) ).

thf(285,plain,
    ! [SV56: $i,SV34: $i,SV58: $i] :
      ( ( ( ~ ( member @ SV58 @ ( intersection @ SV34 @ SV56 ) ) )
        = $true )
      | ( ( member @ SV58 @ SV56 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[275]) ).

thf(286,plain,
    ! [SV43: $i,SV50: $i,SV54: $i] :
      ( ( ( member @ SV54 @ SV50 )
        = $false )
      | ( ( member @ SV54 @ SV43 )
        = $false )
      | ( ( intersect @ SV43 @ SV50 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[276]) ).

thf(287,plain,
    ! [SV44: $i,SV51: $i] :
      ( ( ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV44 )
        = $true )
      | ( ( intersect @ SV44 @ SV51 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[277]) ).

thf(288,plain,
    ! [SV44: $i,SV51: $i] :
      ( ( ( member @ ( sK5_D @ SV51 @ SV44 ) @ SV51 )
        = $true )
      | ( ( intersect @ SV44 @ SV51 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[278]) ).

thf(289,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
        = $false )
      | ( ( ~ ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 ) )
        = $true )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[279]) ).

thf(290,plain,
    ! [SV46: $i,SV38: $i,SV59: $i] :
      ( ( ( ~ ( member @ SV59 @ SV38 )
          | ( member @ SV59 @ SV46 ) )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[281]) ).

thf(291,plain,
    ! [SV38: $i,SV46: $i,SV60: $i] :
      ( ( ( ~ ( member @ SV60 @ SV46 )
          | ( member @ SV60 @ SV38 ) )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[282]) ).

thf(292,plain,
    ! [SV55: $i,SV34: $i,SV57: $i] :
      ( ( ( member @ SV57 @ ( intersection @ SV34 @ SV55 ) )
        = $false )
      | ( ( member @ SV57 @ SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[284]) ).

thf(293,plain,
    ! [SV56: $i,SV34: $i,SV58: $i] :
      ( ( ( member @ SV58 @ ( intersection @ SV34 @ SV56 ) )
        = $false )
      | ( ( member @ SV58 @ SV56 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[285]) ).

thf(294,plain,
    ! [SV37: $i,SV45: $i] :
      ( ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV45 )
        = $false )
      | ( ( member @ ( sK4_D @ SV45 @ SV37 ) @ SV37 )
        = $false )
      | ( ( SV37 = SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[289]) ).

thf(295,plain,
    ! [SV46: $i,SV38: $i,SV59: $i] :
      ( ( ( ~ ( member @ SV59 @ SV38 ) )
        = $true )
      | ( ( member @ SV59 @ SV46 )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[290]) ).

thf(296,plain,
    ! [SV38: $i,SV46: $i,SV60: $i] :
      ( ( ( ~ ( member @ SV60 @ SV46 ) )
        = $true )
      | ( ( member @ SV60 @ SV38 )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[291]) ).

thf(297,plain,
    ! [SV46: $i,SV38: $i,SV59: $i] :
      ( ( ( member @ SV59 @ SV38 )
        = $false )
      | ( ( member @ SV59 @ SV46 )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(298,plain,
    ! [SV38: $i,SV46: $i,SV60: $i] :
      ( ( ( member @ SV60 @ SV46 )
        = $false )
      | ( ( member @ SV60 @ SV38 )
        = $true )
      | ( ( SV38 = SV46 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[296]) ).

thf(299,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[191,298,297,294,293,292,288,287,286,283,280,266,265,246,234,225,218,212,192]) ).

thf(300,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[299,166]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET637+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.14  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.14/0.35  % Computer : n029.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sun Jul 10 23:49:31 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.14/0.36  
% 0.14/0.36   No.of.Axioms: 8
% 0.14/0.36  
% 0.14/0.36   Length.of.Defs: 0
% 0.14/0.36  
% 0.14/0.36   Contains.Choice.Funs: false
% 0.14/0.36  (rf:0,axioms:8,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:10,loop_count:0,foatp_calls:0,translation:fof_full).................
% 0.38/0.58  
% 0.38/0.58  ********************************
% 0.38/0.58  *   All subproblems solved!    *
% 0.38/0.58  ********************************
% 0.38/0.58  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:8,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:299,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.38/0.61  
% 0.38/0.61  %**** Beginning of derivation protocol ****
% 0.38/0.61  % SZS output start CNFRefutation
% See solution above
% 0.38/0.61  
% 0.38/0.61  %**** End of derivation protocol ****
% 0.38/0.61  %**** no. of clauses in derivation: 300 ****
% 0.38/0.61  %**** clause counter: 299 ****
% 0.38/0.61  
% 0.38/0.61  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:8,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:299,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------