TSTP Solution File: SET635+3 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET635+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 : n016.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 03:03:48 EDT 2022

% Result   : Theorem 1.95s 2.15s
% Output   : CNFRefutation 1.95s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   29
% Syntax   : Number of formulae    :  251 ( 163 unt;  13 typ;   0 def)
%            Number of atoms       : 1296 ( 445 equ;   0 cnn)
%            Maximal formula atoms :    3 (   5 avg)
%            Number of connectives : 2626 ( 477   ~; 394   |;  32   &;1705   @)
%                                         (  16 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (  16   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   16 (  13 usr;   6 con; 0-2 aty)
%            Number of variables   :  672 (   0   ^ 672   !;   0   ?; 672   :)

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

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

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

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

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

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

thf(tp_sK2_SY36,type,
    sK2_SY36: $i ).

thf(tp_sK3_SY38,type,
    sK3_SY38: $i ).

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

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

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

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

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

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

thf(2,axiom,
    ! [B: $i,C: $i] :
      ( ( B = C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
        <=> ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equal_member_defn) ).

thf(3,axiom,
    ! [B: $i] : ( subset @ B @ B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_of_subset) ).

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

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

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

thf(7,axiom,
    ! [B: $i,C: $i] :
      ( ( union @ B @ C )
      = ( union @ C @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_of_union) ).

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

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

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

thf(11,axiom,
    ! [B: $i,C: $i,D: $i] :
      ( ( intersection @ B @ ( difference @ C @ D ) )
      = ( difference @ ( intersection @ B @ C ) @ D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_and_intersection) ).

thf(12,axiom,
    ! [B: $i,C: $i,D: $i] :
      ( ( difference @ B @ ( intersection @ C @ D ) )
      = ( union @ ( difference @ B @ C ) @ ( difference @ B @ D ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_and_intersection_and_union) ).

thf(13,axiom,
    ! [B: $i] :
      ( ( union @ B @ empty_set )
      = B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union_empty_set) ).

thf(14,axiom,
    ! [B: $i,C: $i] :
      ( ( ( difference @ B @ C )
        = empty_set )
    <=> ( subset @ B @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_empty_set) ).

thf(15,axiom,
    ! [B: $i,C: $i] : ( subset @ ( intersection @ B @ C ) @ B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection_is_subset) ).

thf(16,conjecture,
    ! [B: $i,C: $i,D: $i] :
      ( ( intersection @ B @ ( difference @ C @ D ) )
      = ( difference @ ( intersection @ B @ C ) @ ( intersection @ B @ D ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th117) ).

thf(17,negated_conjecture,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( intersection @ B @ ( difference @ C @ D ) )
          = ( difference @ ( intersection @ B @ C ) @ ( intersection @ B @ D ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[16]) ).

thf(18,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( intersection @ B @ ( difference @ C @ D ) )
          = ( difference @ ( intersection @ B @ C ) @ ( intersection @ B @ D ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(19,plain,
    ( ( ! [B: $i] :
          ( ( empty @ B )
        <=> ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(20,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
            <=> ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(21,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(22,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( subset @ B @ C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
             => ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(23,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(24,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(25,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( union @ B @ C )
          = ( union @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(26,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ( ( subset @ B @ C )
            & ( subset @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(27,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( member @ D @ ( difference @ B @ C ) )
        <=> ( ( member @ D @ B )
            & ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(28,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( member @ D @ ( intersection @ B @ C ) )
        <=> ( ( member @ D @ B )
            & ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(29,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( intersection @ B @ ( difference @ C @ D ) )
          = ( difference @ ( intersection @ B @ C ) @ D ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(30,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( difference @ B @ ( intersection @ C @ D ) )
          = ( union @ ( difference @ B @ C ) @ ( difference @ B @ D ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(31,plain,
    ( ( ! [B: $i] :
          ( ( union @ B @ empty_set )
          = B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(32,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( difference @ B @ C )
            = empty_set )
        <=> ( subset @ B @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(33,plain,
    ( ( ! [B: $i,C: $i] : ( subset @ ( intersection @ B @ C ) @ B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(34,plain,
    ( ( ! [SY36: $i,SY37: $i] :
          ( ( intersection @ sK1_B @ ( difference @ SY36 @ SY37 ) )
          = ( difference @ ( intersection @ sK1_B @ SY36 ) @ ( intersection @ sK1_B @ SY37 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[18]) ).

thf(35,plain,
    ( ( ! [SY38: $i] :
          ( ( intersection @ sK1_B @ ( difference @ sK2_SY36 @ SY38 ) )
          = ( difference @ ( intersection @ sK1_B @ sK2_SY36 ) @ ( intersection @ sK1_B @ SY38 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[34]) ).

thf(36,plain,
    ( ( ( intersection @ sK1_B @ ( difference @ sK2_SY36 @ sK3_SY38 ) )
      = ( difference @ ( intersection @ sK1_B @ sK2_SY36 ) @ ( intersection @ sK1_B @ sK3_SY38 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[35]) ).

thf(37,plain,
    ( ( ( ( intersection @ sK1_B @ ( difference @ sK2_SY36 @ sK3_SY38 ) )
       != ( difference @ ( intersection @ sK1_B @ sK2_SY36 ) @ ( intersection @ sK1_B @ sK3_SY38 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[36]) ).

thf(38,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK4_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[19]) ).

thf(39,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK5_D @ C @ B ) @ B )
              | ~ ( member @ ( sK5_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK5_D @ C @ B ) @ B )
              | ( member @ ( sK5_D @ C @ B ) @ C ) ) )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( ! [D: $i] :
                ( ~ ( member @ D @ B )
                | ( member @ D @ C ) )
            & ! [D: $i] :
                ( ~ ( member @ D @ C )
                | ( member @ D @ B ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[20]) ).

thf(40,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK6_D @ C @ B ) @ B )
            & ~ ( member @ ( sK6_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[22]) ).

thf(41,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ~ ( subset @ C @ B )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[26]) ).

thf(42,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C )
              | ( member @ D @ ( difference @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[27]) ).

thf(43,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)],[28]) ).

thf(44,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( difference @ B @ C )
           != empty_set )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ( ( difference @ B @ C )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[32]) ).

thf(45,plain,
    ( ( ! [B: $i,C: $i] : ( subset @ ( intersection @ B @ C ) @ B ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(46,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( difference @ B @ C )
           != empty_set )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ( ( difference @ B @ C )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(47,plain,
    ( ( ! [B: $i] :
          ( ( union @ B @ empty_set )
          = B ) )
    = $true ),
    inference(copy,[status(thm)],[31]) ).

thf(48,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( difference @ B @ ( intersection @ C @ D ) )
          = ( union @ ( difference @ B @ C ) @ ( difference @ B @ D ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[30]) ).

thf(49,plain,
    ( ( ! [B: $i,C: $i,D: $i] :
          ( ( intersection @ B @ ( difference @ C @ D ) )
          = ( difference @ ( intersection @ B @ C ) @ D ) ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(50,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)],[43]) ).

thf(51,plain,
    ( ( ! [B: $i] :
          ( ! [C: $i,D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C )
              | ( member @ D @ ( difference @ B @ C ) ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ( member @ D @ B ) )
          & ! [C: $i,D: $i] :
              ( ~ ( member @ D @ ( difference @ B @ C ) )
              | ~ ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(52,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ~ ( subset @ C @ B )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( subset @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(53,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( union @ B @ C )
          = ( union @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[25]) ).

thf(54,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(55,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(56,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK6_D @ C @ B ) @ B )
            & ~ ( member @ ( sK6_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(57,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(copy,[status(thm)],[21]) ).

thf(58,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK5_D @ C @ B ) @ B )
              | ~ ( member @ ( sK5_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK5_D @ C @ B ) @ B )
              | ( member @ ( sK5_D @ C @ B ) @ C ) ) )
          | ( B = C ) )
      & ! [B: $i,C: $i] :
          ( ( B != C )
          | ( ! [D: $i] :
                ( ~ ( member @ D @ B )
                | ( member @ D @ C ) )
            & ! [D: $i] :
                ( ~ ( member @ D @ C )
                | ( member @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[39]) ).

thf(59,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK4_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(60,plain,
    ( ( ( ( intersection @ sK1_B @ ( difference @ sK2_SY36 @ sK3_SY38 ) )
       != ( difference @ ( intersection @ sK1_B @ sK2_SY36 ) @ ( intersection @ sK1_B @ sK3_SY38 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(61,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( member @ SX2 @ SX0 )
                  | ( member @ SX2 @ SX1 )
                  | ( member @ SX2 @ ( difference @ SX0 @ SX1 ) ) )
            | ~ ~ ( ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( difference @ SX0 @ SX1 ) )
                        | ( member @ SX2 @ SX0 ) )
                  | ~ ! [SX1: $i,SX2: $i] :
                        ( ~ ( member @ SX2 @ ( difference @ SX0 @ SX1 ) )
                        | ~ ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(62,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( difference @ SX0 @ SX1 )
                 != empty_set )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ( ( difference @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(63,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                        | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX0 = SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ~ ( ~ ! [SX2: $i] :
                          ( ~ ( member @ SX2 @ SX0 )
                          | ( member @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( member @ SX2 @ SX1 )
                          | ( member @ SX2 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(64,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(65,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( member @ ( sK4_C @ SX0 ) @ SX0 )
                | ( empty @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ! [SX1: $i] :
                    ~ ( member @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(66,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(67,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)],[50]) ).

thf(68,plain,
    ! [SV1: $i] :
      ( ( ! [SY39: $i] : ( subset @ ( intersection @ SV1 @ SY39 ) @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[45]) ).

thf(69,plain,
    ! [SV2: $i] :
      ( ( ( union @ SV2 @ empty_set )
        = SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[47]) ).

thf(70,plain,
    ! [SV3: $i] :
      ( ( ! [SY40: $i,SY41: $i] :
            ( ( difference @ SV3 @ ( intersection @ SY40 @ SY41 ) )
            = ( union @ ( difference @ SV3 @ SY40 ) @ ( difference @ SV3 @ SY41 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[48]) ).

thf(71,plain,
    ! [SV4: $i] :
      ( ( ! [SY42: $i,SY43: $i] :
            ( ( intersection @ SV4 @ ( difference @ SY42 @ SY43 ) )
            = ( difference @ ( intersection @ SV4 @ SY42 ) @ SY43 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[49]) ).

thf(72,plain,
    ! [SV5: $i] :
      ( ( ! [SY44: $i] :
            ( ( union @ SV5 @ SY44 )
            = ( union @ SY44 @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[53]) ).

thf(73,plain,
    ! [SV6: $i] :
      ( ( ~ ( member @ SV6 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[54]) ).

thf(74,plain,
    ! [SV7: $i] :
      ( ( ! [SY45: $i] :
            ( ( intersection @ SV7 @ SY45 )
            = ( intersection @ SY45 @ SV7 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[55]) ).

thf(75,plain,
    ! [SV8: $i] :
      ( ( subset @ SV8 @ SV8 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[57]) ).

thf(76,plain,
    ( ( ( intersection @ sK1_B @ ( difference @ sK2_SY36 @ sK3_SY38 ) )
      = ( difference @ ( intersection @ sK1_B @ sK2_SY36 ) @ ( intersection @ sK1_B @ sK3_SY38 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(77,plain,
    ! [SV9: $i] :
      ( ( ~ ( ~ ! [SY46: $i,SY47: $i] :
                  ( ~ ( member @ SY47 @ SV9 )
                  | ( member @ SY47 @ SY46 )
                  | ( member @ SY47 @ ( difference @ SV9 @ SY46 ) ) )
            | ~ ~ ( ~ ! [SY48: $i,SY49: $i] :
                        ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
                        | ( member @ SY49 @ SV9 ) )
                  | ~ ! [SY50: $i,SY51: $i] :
                        ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
                        | ~ ( member @ SY51 @ SY50 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[61]) ).

thf(78,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[62]) ).

thf(79,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX1 )
                      | ( member @ SX2 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[63]) ).

thf(80,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[64]) ).

thf(81,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK4_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[65]) ).

thf(82,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[66]) ).

thf(83,plain,
    ! [SV10: $i] :
      ( ( ~ ( ~ ! [SY52: $i,SY53: $i] :
                  ( ~ ( member @ SY53 @ SV10 )
                  | ~ ( member @ SY53 @ SY52 )
                  | ( member @ SY53 @ ( intersection @ SV10 @ SY52 ) ) )
            | ~ ~ ( ~ ! [SY54: $i,SY55: $i] :
                        ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
                        | ( member @ SY55 @ SV10 ) )
                  | ~ ! [SY56: $i,SY57: $i] :
                        ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
                        | ( member @ SY57 @ SY56 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[67]) ).

thf(84,plain,
    ! [SV11: $i,SV1: $i] :
      ( ( subset @ ( intersection @ SV1 @ SV11 ) @ SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[68]) ).

thf(85,plain,
    ! [SV12: $i,SV3: $i] :
      ( ( ! [SY58: $i] :
            ( ( difference @ SV3 @ ( intersection @ SV12 @ SY58 ) )
            = ( union @ ( difference @ SV3 @ SV12 ) @ ( difference @ SV3 @ SY58 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(86,plain,
    ! [SV13: $i,SV4: $i] :
      ( ( ! [SY59: $i] :
            ( ( intersection @ SV4 @ ( difference @ SV13 @ SY59 ) )
            = ( difference @ ( intersection @ SV4 @ SV13 ) @ SY59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[71]) ).

thf(87,plain,
    ! [SV14: $i,SV5: $i] :
      ( ( ( union @ SV5 @ SV14 )
        = ( union @ SV14 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(88,plain,
    ! [SV6: $i] :
      ( ( member @ SV6 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[73]) ).

thf(89,plain,
    ! [SV15: $i,SV7: $i] :
      ( ( ( intersection @ SV7 @ SV15 )
        = ( intersection @ SV15 @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(90,plain,
    ! [SV9: $i] :
      ( ( ~ ! [SY46: $i,SY47: $i] :
              ( ~ ( member @ SY47 @ SV9 )
              | ( member @ SY47 @ SY46 )
              | ( member @ SY47 @ ( difference @ SV9 @ SY46 ) ) )
        | ~ ~ ( ~ ! [SY48: $i,SY49: $i] :
                    ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
                    | ( member @ SY49 @ SV9 ) )
              | ~ ! [SY50: $i,SY51: $i] :
                    ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
                    | ~ ( member @ SY51 @ SY50 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[77]) ).

thf(91,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( difference @ SX0 @ SX1 )
             != empty_set )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[78]) ).

thf(92,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ( ( difference @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[78]) ).

thf(93,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[79]) ).

thf(94,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)],[79]) ).

thf(95,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[80]) ).

thf(96,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[80]) ).

thf(97,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK4_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[81]) ).

thf(98,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[81]) ).

thf(99,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[82]) ).

thf(100,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[82]) ).

thf(101,plain,
    ! [SV10: $i] :
      ( ( ~ ! [SY52: $i,SY53: $i] :
              ( ~ ( member @ SY53 @ SV10 )
              | ~ ( member @ SY53 @ SY52 )
              | ( member @ SY53 @ ( intersection @ SV10 @ SY52 ) ) )
        | ~ ~ ( ~ ! [SY54: $i,SY55: $i] :
                    ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
                    | ( member @ SY55 @ SV10 ) )
              | ~ ! [SY56: $i,SY57: $i] :
                    ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
                    | ( member @ SY57 @ SY56 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[83]) ).

thf(102,plain,
    ! [SV16: $i,SV12: $i,SV3: $i] :
      ( ( ( difference @ SV3 @ ( intersection @ SV12 @ SV16 ) )
        = ( union @ ( difference @ SV3 @ SV12 ) @ ( difference @ SV3 @ SV16 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[85]) ).

thf(103,plain,
    ! [SV17: $i,SV13: $i,SV4: $i] :
      ( ( ( intersection @ SV4 @ ( difference @ SV13 @ SV17 ) )
        = ( difference @ ( intersection @ SV4 @ SV13 ) @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[86]) ).

thf(104,plain,
    ! [SV9: $i] :
      ( ( ~ ! [SY46: $i,SY47: $i] :
              ( ~ ( member @ SY47 @ SV9 )
              | ( member @ SY47 @ SY46 )
              | ( member @ SY47 @ ( difference @ SV9 @ SY46 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[90]) ).

thf(105,plain,
    ! [SV9: $i] :
      ( ( ~ ~ ( ~ ! [SY48: $i,SY49: $i] :
                    ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
                    | ( member @ SY49 @ SV9 ) )
              | ~ ! [SY50: $i,SY51: $i] :
                    ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
                    | ~ ( member @ SY51 @ SY50 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[90]) ).

thf(106,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( difference @ SX0 @ SX1 )
           != empty_set )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[91]) ).

thf(107,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ( ( difference @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[92]) ).

thf(108,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[93]) ).

thf(109,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)],[94]) ).

thf(110,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK6_D @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[95]) ).

thf(111,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[96]) ).

thf(112,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK4_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[97]) ).

thf(113,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[98]) ).

thf(114,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[99]) ).

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

thf(116,plain,
    ! [SV10: $i] :
      ( ( ~ ! [SY52: $i,SY53: $i] :
              ( ~ ( member @ SY53 @ SV10 )
              | ~ ( member @ SY53 @ SY52 )
              | ( member @ SY53 @ ( intersection @ SV10 @ SY52 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[101]) ).

thf(117,plain,
    ! [SV10: $i] :
      ( ( ~ ~ ( ~ ! [SY54: $i,SY55: $i] :
                    ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
                    | ( member @ SY55 @ SV10 ) )
              | ~ ! [SY56: $i,SY57: $i] :
                    ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
                    | ( member @ SY57 @ SY56 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[101]) ).

thf(118,plain,
    ! [SV9: $i] :
      ( ( ! [SY46: $i,SY47: $i] :
            ( ~ ( member @ SY47 @ SV9 )
            | ( member @ SY47 @ SY46 )
            | ( member @ SY47 @ ( difference @ SV9 @ SY46 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[104]) ).

thf(119,plain,
    ! [SV9: $i] :
      ( ( ~ ( ~ ! [SY48: $i,SY49: $i] :
                  ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
                  | ( member @ SY49 @ SV9 ) )
            | ~ ! [SY50: $i,SY51: $i] :
                  ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
                  | ~ ( member @ SY51 @ SY50 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[105]) ).

thf(120,plain,
    ! [SV18: $i] :
      ( ( ! [SY60: $i] :
            ( ( ( difference @ SV18 @ SY60 )
             != empty_set )
            | ( subset @ SV18 @ SY60 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[106]) ).

thf(121,plain,
    ! [SV19: $i] :
      ( ( ! [SY61: $i] :
            ( ~ ( subset @ SV19 @ SY61 )
            | ( ( difference @ SV19 @ SY61 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(122,plain,
    ! [SV20: $i] :
      ( ( ! [SY62: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SY62 @ SV20 ) @ SV20 )
                    | ~ ( member @ ( sK5_D @ SY62 @ SV20 ) @ SY62 ) )
                | ~ ( ( member @ ( sK5_D @ SY62 @ SV20 ) @ SV20 )
                    | ( member @ ( sK5_D @ SY62 @ SV20 ) @ SY62 ) ) )
            | ( SV20 = SY62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[108]) ).

thf(123,plain,
    ! [SV21: $i] :
      ( ( ! [SY63: $i] :
            ( ( SV21 != SY63 )
            | ~ ( ~ ! [SY64: $i] :
                      ( ~ ( member @ SY64 @ SV21 )
                      | ( member @ SY64 @ SY63 ) )
                | ~ ! [SY65: $i] :
                      ( ~ ( member @ SY65 @ SY63 )
                      | ( member @ SY65 @ SV21 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[109]) ).

thf(124,plain,
    ! [SV22: $i] :
      ( ( ! [SY66: $i] :
            ( ~ ( ~ ( member @ ( sK6_D @ SY66 @ SV22 ) @ SV22 )
                | ~ ~ ( member @ ( sK6_D @ SY66 @ SV22 ) @ SY66 ) )
            | ( subset @ SV22 @ SY66 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[110]) ).

thf(125,plain,
    ! [SV23: $i] :
      ( ( ! [SY67: $i] :
            ( ~ ( subset @ SV23 @ SY67 )
            | ! [SY68: $i] :
                ( ~ ( member @ SY68 @ SV23 )
                | ( member @ SY68 @ SY67 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[111]) ).

thf(126,plain,
    ! [SV24: $i] :
      ( ( ( member @ ( sK4_C @ SV24 ) @ SV24 )
        | ( empty @ SV24 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[112]) ).

thf(127,plain,
    ! [SV25: $i] :
      ( ( ~ ( empty @ SV25 )
        | ! [SY69: $i] :
            ~ ( member @ SY69 @ SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[113]) ).

thf(128,plain,
    ! [SV26: $i] :
      ( ( ! [SY70: $i] :
            ( ~ ( subset @ SV26 @ SY70 )
            | ~ ( subset @ SY70 @ SV26 )
            | ( SV26 = SY70 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[114]) ).

thf(129,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[115]) ).

thf(130,plain,
    ! [SV10: $i] :
      ( ( ! [SY52: $i,SY53: $i] :
            ( ~ ( member @ SY53 @ SV10 )
            | ~ ( member @ SY53 @ SY52 )
            | ( member @ SY53 @ ( intersection @ SV10 @ SY52 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[116]) ).

thf(131,plain,
    ! [SV10: $i] :
      ( ( ~ ( ~ ! [SY54: $i,SY55: $i] :
                  ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
                  | ( member @ SY55 @ SV10 ) )
            | ~ ! [SY56: $i,SY57: $i] :
                  ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
                  | ( member @ SY57 @ SY56 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[117]) ).

thf(132,plain,
    ! [SV27: $i,SV9: $i] :
      ( ( ! [SY71: $i] :
            ( ~ ( member @ SY71 @ SV9 )
            | ( member @ SY71 @ SV27 )
            | ( member @ SY71 @ ( difference @ SV9 @ SV27 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[118]) ).

thf(133,plain,
    ! [SV9: $i] :
      ( ( ~ ! [SY48: $i,SY49: $i] :
              ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
              | ( member @ SY49 @ SV9 ) )
        | ~ ! [SY50: $i,SY51: $i] :
              ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
              | ~ ( member @ SY51 @ SY50 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[119]) ).

thf(134,plain,
    ! [SV28: $i,SV18: $i] :
      ( ( ( ( difference @ SV18 @ SV28 )
         != empty_set )
        | ( subset @ SV18 @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(135,plain,
    ! [SV29: $i,SV19: $i] :
      ( ( ~ ( subset @ SV19 @ SV29 )
        | ( ( difference @ SV19 @ SV29 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[121]) ).

thf(136,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
                | ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
            | ~ ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
                | ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) ) )
        | ( SV20 = SV30 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[122]) ).

thf(137,plain,
    ! [SV31: $i,SV21: $i] :
      ( ( ( SV21 != SV31 )
        | ~ ( ~ ! [SY72: $i] :
                  ( ~ ( member @ SY72 @ SV21 )
                  | ( member @ SY72 @ SV31 ) )
            | ~ ! [SY73: $i] :
                  ( ~ ( member @ SY73 @ SV31 )
                  | ( member @ SY73 @ SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[123]) ).

thf(138,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ~ ( ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV22 )
            | ~ ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV32 ) )
        | ( subset @ SV22 @ SV32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[124]) ).

thf(139,plain,
    ! [SV33: $i,SV23: $i] :
      ( ( ~ ( subset @ SV23 @ SV33 )
        | ! [SY74: $i] :
            ( ~ ( member @ SY74 @ SV23 )
            | ( member @ SY74 @ SV33 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[125]) ).

thf(140,plain,
    ! [SV24: $i] :
      ( ( ( member @ ( sK4_C @ SV24 ) @ SV24 )
        = $true )
      | ( ( empty @ SV24 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[126]) ).

thf(141,plain,
    ! [SV25: $i] :
      ( ( ( ~ ( empty @ SV25 ) )
        = $true )
      | ( ( ! [SY69: $i] :
              ~ ( member @ SY69 @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[127]) ).

thf(142,plain,
    ! [SV34: $i,SV26: $i] :
      ( ( ~ ( subset @ SV26 @ SV34 )
        | ~ ( subset @ SV34 @ SV26 )
        | ( SV26 = SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[128]) ).

thf(143,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[129]) ).

thf(144,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[129]) ).

thf(145,plain,
    ! [SV35: $i,SV10: $i] :
      ( ( ! [SY75: $i] :
            ( ~ ( member @ SY75 @ SV10 )
            | ~ ( member @ SY75 @ SV35 )
            | ( member @ SY75 @ ( intersection @ SV10 @ SV35 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[130]) ).

thf(146,plain,
    ! [SV10: $i] :
      ( ( ~ ! [SY54: $i,SY55: $i] :
              ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
              | ( member @ SY55 @ SV10 ) )
        | ~ ! [SY56: $i,SY57: $i] :
              ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
              | ( member @ SY57 @ SY56 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[131]) ).

thf(147,plain,
    ! [SV27: $i,SV9: $i,SV36: $i] :
      ( ( ~ ( member @ SV36 @ SV9 )
        | ( member @ SV36 @ SV27 )
        | ( member @ SV36 @ ( difference @ SV9 @ SV27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[132]) ).

thf(148,plain,
    ! [SV9: $i] :
      ( ( ~ ! [SY48: $i,SY49: $i] :
              ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
              | ( member @ SY49 @ SV9 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[133]) ).

thf(149,plain,
    ! [SV9: $i] :
      ( ( ~ ! [SY50: $i,SY51: $i] :
              ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
              | ~ ( member @ SY51 @ SY50 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[133]) ).

thf(150,plain,
    ! [SV28: $i,SV18: $i] :
      ( ( ( ( ( difference @ SV18 @ SV28 )
           != empty_set ) )
        = $true )
      | ( ( subset @ SV18 @ SV28 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[134]) ).

thf(151,plain,
    ! [SV29: $i,SV19: $i] :
      ( ( ( ~ ( subset @ SV19 @ SV29 ) )
        = $true )
      | ( ( ( difference @ SV19 @ SV29 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[135]) ).

thf(152,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
                  | ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
              | ~ ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
                  | ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) ) ) )
        = $true )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[136]) ).

thf(153,plain,
    ! [SV31: $i,SV21: $i] :
      ( ( ( ( SV21 != SV31 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY72: $i] :
                    ( ~ ( member @ SY72 @ SV21 )
                    | ( member @ SY72 @ SV31 ) )
              | ~ ! [SY73: $i] :
                    ( ~ ( member @ SY73 @ SV31 )
                    | ( member @ SY73 @ SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[137]) ).

thf(154,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV22 )
              | ~ ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV32 ) ) )
        = $true )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[138]) ).

thf(155,plain,
    ! [SV33: $i,SV23: $i] :
      ( ( ( ~ ( subset @ SV23 @ SV33 ) )
        = $true )
      | ( ( ! [SY74: $i] :
              ( ~ ( member @ SY74 @ SV23 )
              | ( member @ SY74 @ SV33 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[139]) ).

thf(156,plain,
    ! [SV25: $i] :
      ( ( ( empty @ SV25 )
        = $false )
      | ( ( ! [SY69: $i] :
              ~ ( member @ SY69 @ SV25 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[141]) ).

thf(157,plain,
    ! [SV34: $i,SV26: $i] :
      ( ( ( ~ ( subset @ SV26 @ SV34 )
          | ~ ( subset @ SV34 @ SV26 ) )
        = $true )
      | ( ( SV26 = SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[142]) ).

thf(158,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[143]) ).

thf(159,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[144]) ).

thf(160,plain,
    ! [SV35: $i,SV10: $i,SV37: $i] :
      ( ( ~ ( member @ SV37 @ SV10 )
        | ~ ( member @ SV37 @ SV35 )
        | ( member @ SV37 @ ( intersection @ SV10 @ SV35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[145]) ).

thf(161,plain,
    ! [SV10: $i] :
      ( ( ~ ! [SY54: $i,SY55: $i] :
              ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
              | ( member @ SY55 @ SV10 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[146]) ).

thf(162,plain,
    ! [SV10: $i] :
      ( ( ~ ! [SY56: $i,SY57: $i] :
              ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
              | ( member @ SY57 @ SY56 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[146]) ).

thf(163,plain,
    ! [SV27: $i,SV9: $i,SV36: $i] :
      ( ( ( ~ ( member @ SV36 @ SV9 )
          | ( member @ SV36 @ SV27 ) )
        = $true )
      | ( ( member @ SV36 @ ( difference @ SV9 @ SV27 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[147]) ).

thf(164,plain,
    ! [SV9: $i] :
      ( ( ! [SY48: $i,SY49: $i] :
            ( ~ ( member @ SY49 @ ( difference @ SV9 @ SY48 ) )
            | ( member @ SY49 @ SV9 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[148]) ).

thf(165,plain,
    ! [SV9: $i] :
      ( ( ! [SY50: $i,SY51: $i] :
            ( ~ ( member @ SY51 @ ( difference @ SV9 @ SY50 ) )
            | ~ ( member @ SY51 @ SY50 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[149]) ).

thf(166,plain,
    ! [SV28: $i,SV18: $i] :
      ( ( ( ( difference @ SV18 @ SV28 )
          = empty_set )
        = $false )
      | ( ( subset @ SV18 @ SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[150]) ).

thf(167,plain,
    ! [SV29: $i,SV19: $i] :
      ( ( ( subset @ SV19 @ SV29 )
        = $false )
      | ( ( ( difference @ SV19 @ SV29 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[151]) ).

thf(168,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
              | ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
          | ~ ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
              | ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) ) )
        = $false )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[152]) ).

thf(169,plain,
    ! [SV31: $i,SV21: $i] :
      ( ( ( SV21 = SV31 )
        = $false )
      | ( ( ~ ( ~ ! [SY72: $i] :
                    ( ~ ( member @ SY72 @ SV21 )
                    | ( member @ SY72 @ SV31 ) )
              | ~ ! [SY73: $i] :
                    ( ~ ( member @ SY73 @ SV31 )
                    | ( member @ SY73 @ SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[153]) ).

thf(170,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV22 )
          | ~ ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV32 ) )
        = $false )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[154]) ).

thf(171,plain,
    ! [SV33: $i,SV23: $i] :
      ( ( ( subset @ SV23 @ SV33 )
        = $false )
      | ( ( ! [SY74: $i] :
              ( ~ ( member @ SY74 @ SV23 )
              | ( member @ SY74 @ SV33 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(172,plain,
    ! [SV25: $i,SV38: $i] :
      ( ( ( ~ ( member @ SV38 @ SV25 ) )
        = $true )
      | ( ( empty @ SV25 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[156]) ).

thf(173,plain,
    ! [SV34: $i,SV26: $i] :
      ( ( ( ~ ( subset @ SV26 @ SV34 ) )
        = $true )
      | ( ( ~ ( subset @ SV34 @ SV26 ) )
        = $true )
      | ( ( SV26 = SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[157]) ).

thf(174,plain,
    ! [SV39: $i] :
      ( ( ! [SY76: $i] :
            ( ( SV39 != SY76 )
            | ( subset @ SV39 @ SY76 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[158]) ).

thf(175,plain,
    ! [SV40: $i] :
      ( ( ! [SY77: $i] :
            ( ( SV40 != SY77 )
            | ( subset @ SY77 @ SV40 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[159]) ).

thf(176,plain,
    ! [SV35: $i,SV10: $i,SV37: $i] :
      ( ( ( ~ ( member @ SV37 @ SV10 )
          | ~ ( member @ SV37 @ SV35 ) )
        = $true )
      | ( ( member @ SV37 @ ( intersection @ SV10 @ SV35 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[160]) ).

thf(177,plain,
    ! [SV10: $i] :
      ( ( ! [SY54: $i,SY55: $i] :
            ( ~ ( member @ SY55 @ ( intersection @ SV10 @ SY54 ) )
            | ( member @ SY55 @ SV10 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[161]) ).

thf(178,plain,
    ! [SV10: $i] :
      ( ( ! [SY56: $i,SY57: $i] :
            ( ~ ( member @ SY57 @ ( intersection @ SV10 @ SY56 ) )
            | ( member @ SY57 @ SY56 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[162]) ).

thf(179,plain,
    ! [SV27: $i,SV9: $i,SV36: $i] :
      ( ( ( ~ ( member @ SV36 @ SV9 ) )
        = $true )
      | ( ( member @ SV36 @ SV27 )
        = $true )
      | ( ( member @ SV36 @ ( difference @ SV9 @ SV27 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[163]) ).

thf(180,plain,
    ! [SV41: $i,SV9: $i] :
      ( ( ! [SY78: $i] :
            ( ~ ( member @ SY78 @ ( difference @ SV9 @ SV41 ) )
            | ( member @ SY78 @ SV9 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[164]) ).

thf(181,plain,
    ! [SV42: $i,SV9: $i] :
      ( ( ! [SY79: $i] :
            ( ~ ( member @ SY79 @ ( difference @ SV9 @ SV42 ) )
            | ~ ( member @ SY79 @ SV42 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[165]) ).

thf(182,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
              | ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) ) )
        = $false )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[168]) ).

thf(183,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ~ ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
              | ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) ) )
        = $false )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[168]) ).

thf(184,plain,
    ! [SV31: $i,SV21: $i] :
      ( ( ( ~ ! [SY72: $i] :
                ( ~ ( member @ SY72 @ SV21 )
                | ( member @ SY72 @ SV31 ) )
          | ~ ! [SY73: $i] :
                ( ~ ( member @ SY73 @ SV31 )
                | ( member @ SY73 @ SV21 ) ) )
        = $false )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[169]) ).

thf(185,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV22 ) )
        = $false )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[170]) ).

thf(186,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( ~ ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV32 ) )
        = $false )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[170]) ).

thf(187,plain,
    ! [SV33: $i,SV23: $i,SV43: $i] :
      ( ( ( ~ ( member @ SV43 @ SV23 )
          | ( member @ SV43 @ SV33 ) )
        = $true )
      | ( ( subset @ SV23 @ SV33 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[171]) ).

thf(188,plain,
    ! [SV25: $i,SV38: $i] :
      ( ( ( member @ SV38 @ SV25 )
        = $false )
      | ( ( empty @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[172]) ).

thf(189,plain,
    ! [SV34: $i,SV26: $i] :
      ( ( ( subset @ SV26 @ SV34 )
        = $false )
      | ( ( ~ ( subset @ SV34 @ SV26 ) )
        = $true )
      | ( ( SV26 = SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[173]) ).

thf(190,plain,
    ! [SV44: $i,SV39: $i] :
      ( ( ( SV39 != SV44 )
        | ( subset @ SV39 @ SV44 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[174]) ).

thf(191,plain,
    ! [SV45: $i,SV40: $i] :
      ( ( ( SV40 != SV45 )
        | ( subset @ SV45 @ SV40 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[175]) ).

thf(192,plain,
    ! [SV35: $i,SV10: $i,SV37: $i] :
      ( ( ( ~ ( member @ SV37 @ SV10 ) )
        = $true )
      | ( ( ~ ( member @ SV37 @ SV35 ) )
        = $true )
      | ( ( member @ SV37 @ ( intersection @ SV10 @ SV35 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[176]) ).

thf(193,plain,
    ! [SV46: $i,SV10: $i] :
      ( ( ! [SY80: $i] :
            ( ~ ( member @ SY80 @ ( intersection @ SV10 @ SV46 ) )
            | ( member @ SY80 @ SV10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[177]) ).

thf(194,plain,
    ! [SV47: $i,SV10: $i] :
      ( ( ! [SY81: $i] :
            ( ~ ( member @ SY81 @ ( intersection @ SV10 @ SV47 ) )
            | ( member @ SY81 @ SV47 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[178]) ).

thf(195,plain,
    ! [SV27: $i,SV9: $i,SV36: $i] :
      ( ( ( member @ SV36 @ SV9 )
        = $false )
      | ( ( member @ SV36 @ SV27 )
        = $true )
      | ( ( member @ SV36 @ ( difference @ SV9 @ SV27 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[179]) ).

thf(196,plain,
    ! [SV41: $i,SV9: $i,SV48: $i] :
      ( ( ~ ( member @ SV48 @ ( difference @ SV9 @ SV41 ) )
        | ( member @ SV48 @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[180]) ).

thf(197,plain,
    ! [SV42: $i,SV9: $i,SV49: $i] :
      ( ( ~ ( member @ SV49 @ ( difference @ SV9 @ SV42 ) )
        | ~ ( member @ SV49 @ SV42 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[181]) ).

thf(198,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
          | ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
        = $true )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[182]) ).

thf(199,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
          | ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
        = $true )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[183]) ).

thf(200,plain,
    ! [SV31: $i,SV21: $i] :
      ( ( ( ~ ! [SY72: $i] :
                ( ~ ( member @ SY72 @ SV21 )
                | ( member @ SY72 @ SV31 ) ) )
        = $false )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[184]) ).

thf(201,plain,
    ! [SV21: $i,SV31: $i] :
      ( ( ( ~ ! [SY73: $i] :
                ( ~ ( member @ SY73 @ SV31 )
                | ( member @ SY73 @ SV21 ) ) )
        = $false )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[184]) ).

thf(202,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV22 )
        = $true )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[185]) ).

thf(203,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( ~ ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV32 ) )
        = $true )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[186]) ).

thf(204,plain,
    ! [SV33: $i,SV23: $i,SV43: $i] :
      ( ( ( ~ ( member @ SV43 @ SV23 ) )
        = $true )
      | ( ( member @ SV43 @ SV33 )
        = $true )
      | ( ( subset @ SV23 @ SV33 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[187]) ).

thf(205,plain,
    ! [SV26: $i,SV34: $i] :
      ( ( ( subset @ SV34 @ SV26 )
        = $false )
      | ( ( subset @ SV26 @ SV34 )
        = $false )
      | ( ( SV26 = SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[189]) ).

thf(206,plain,
    ! [SV44: $i,SV39: $i] :
      ( ( ( ( SV39 != SV44 ) )
        = $true )
      | ( ( subset @ SV39 @ SV44 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[190]) ).

thf(207,plain,
    ! [SV45: $i,SV40: $i] :
      ( ( ( ( SV40 != SV45 ) )
        = $true )
      | ( ( subset @ SV45 @ SV40 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[191]) ).

thf(208,plain,
    ! [SV35: $i,SV10: $i,SV37: $i] :
      ( ( ( member @ SV37 @ SV10 )
        = $false )
      | ( ( ~ ( member @ SV37 @ SV35 ) )
        = $true )
      | ( ( member @ SV37 @ ( intersection @ SV10 @ SV35 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[192]) ).

thf(209,plain,
    ! [SV46: $i,SV10: $i,SV50: $i] :
      ( ( ~ ( member @ SV50 @ ( intersection @ SV10 @ SV46 ) )
        | ( member @ SV50 @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[193]) ).

thf(210,plain,
    ! [SV47: $i,SV10: $i,SV51: $i] :
      ( ( ~ ( member @ SV51 @ ( intersection @ SV10 @ SV47 ) )
        | ( member @ SV51 @ SV47 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[194]) ).

thf(211,plain,
    ! [SV41: $i,SV9: $i,SV48: $i] :
      ( ( ( ~ ( member @ SV48 @ ( difference @ SV9 @ SV41 ) ) )
        = $true )
      | ( ( member @ SV48 @ SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[196]) ).

thf(212,plain,
    ! [SV42: $i,SV9: $i,SV49: $i] :
      ( ( ( ~ ( member @ SV49 @ ( difference @ SV9 @ SV42 ) ) )
        = $true )
      | ( ( ~ ( member @ SV49 @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[197]) ).

thf(213,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 ) )
        = $true )
      | ( ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
        = $true )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[198]) ).

thf(214,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
        = $true )
      | ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 )
        = $true )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[199]) ).

thf(215,plain,
    ! [SV31: $i,SV21: $i] :
      ( ( ( ! [SY72: $i] :
              ( ~ ( member @ SY72 @ SV21 )
              | ( member @ SY72 @ SV31 ) ) )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[200]) ).

thf(216,plain,
    ! [SV21: $i,SV31: $i] :
      ( ( ( ! [SY73: $i] :
              ( ~ ( member @ SY73 @ SV31 )
              | ( member @ SY73 @ SV21 ) ) )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[201]) ).

thf(217,plain,
    ! [SV22: $i,SV32: $i] :
      ( ( ( member @ ( sK6_D @ SV32 @ SV22 ) @ SV32 )
        = $false )
      | ( ( subset @ SV22 @ SV32 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[203]) ).

thf(218,plain,
    ! [SV33: $i,SV23: $i,SV43: $i] :
      ( ( ( member @ SV43 @ SV23 )
        = $false )
      | ( ( member @ SV43 @ SV33 )
        = $true )
      | ( ( subset @ SV23 @ SV33 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[204]) ).

thf(219,plain,
    ! [SV44: $i,SV39: $i] :
      ( ( ( SV39 = SV44 )
        = $false )
      | ( ( subset @ SV39 @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[206]) ).

thf(220,plain,
    ! [SV45: $i,SV40: $i] :
      ( ( ( SV40 = SV45 )
        = $false )
      | ( ( subset @ SV45 @ SV40 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[207]) ).

thf(221,plain,
    ! [SV10: $i,SV35: $i,SV37: $i] :
      ( ( ( member @ SV37 @ SV35 )
        = $false )
      | ( ( member @ SV37 @ SV10 )
        = $false )
      | ( ( member @ SV37 @ ( intersection @ SV10 @ SV35 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[208]) ).

thf(222,plain,
    ! [SV46: $i,SV10: $i,SV50: $i] :
      ( ( ( ~ ( member @ SV50 @ ( intersection @ SV10 @ SV46 ) ) )
        = $true )
      | ( ( member @ SV50 @ SV10 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[209]) ).

thf(223,plain,
    ! [SV47: $i,SV10: $i,SV51: $i] :
      ( ( ( ~ ( member @ SV51 @ ( intersection @ SV10 @ SV47 ) ) )
        = $true )
      | ( ( member @ SV51 @ SV47 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[210]) ).

thf(224,plain,
    ! [SV41: $i,SV9: $i,SV48: $i] :
      ( ( ( member @ SV48 @ ( difference @ SV9 @ SV41 ) )
        = $false )
      | ( ( member @ SV48 @ SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[211]) ).

thf(225,plain,
    ! [SV42: $i,SV9: $i,SV49: $i] :
      ( ( ( member @ SV49 @ ( difference @ SV9 @ SV42 ) )
        = $false )
      | ( ( ~ ( member @ SV49 @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[212]) ).

thf(226,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
        = $false )
      | ( ( ~ ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 ) )
        = $true )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[213]) ).

thf(227,plain,
    ! [SV31: $i,SV21: $i,SV52: $i] :
      ( ( ( ~ ( member @ SV52 @ SV21 )
          | ( member @ SV52 @ SV31 ) )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[215]) ).

thf(228,plain,
    ! [SV21: $i,SV31: $i,SV53: $i] :
      ( ( ( ~ ( member @ SV53 @ SV31 )
          | ( member @ SV53 @ SV21 ) )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[216]) ).

thf(229,plain,
    ! [SV46: $i,SV10: $i,SV50: $i] :
      ( ( ( member @ SV50 @ ( intersection @ SV10 @ SV46 ) )
        = $false )
      | ( ( member @ SV50 @ SV10 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[222]) ).

thf(230,plain,
    ! [SV47: $i,SV10: $i,SV51: $i] :
      ( ( ( member @ SV51 @ ( intersection @ SV10 @ SV47 ) )
        = $false )
      | ( ( member @ SV51 @ SV47 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[223]) ).

thf(231,plain,
    ! [SV9: $i,SV42: $i,SV49: $i] :
      ( ( ( member @ SV49 @ SV42 )
        = $false )
      | ( ( member @ SV49 @ ( difference @ SV9 @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[225]) ).

thf(232,plain,
    ! [SV20: $i,SV30: $i] :
      ( ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV30 )
        = $false )
      | ( ( member @ ( sK5_D @ SV30 @ SV20 ) @ SV20 )
        = $false )
      | ( ( SV20 = SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[226]) ).

thf(233,plain,
    ! [SV31: $i,SV21: $i,SV52: $i] :
      ( ( ( ~ ( member @ SV52 @ SV21 ) )
        = $true )
      | ( ( member @ SV52 @ SV31 )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[227]) ).

thf(234,plain,
    ! [SV21: $i,SV31: $i,SV53: $i] :
      ( ( ( ~ ( member @ SV53 @ SV31 ) )
        = $true )
      | ( ( member @ SV53 @ SV21 )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[228]) ).

thf(235,plain,
    ! [SV31: $i,SV21: $i,SV52: $i] :
      ( ( ( member @ SV52 @ SV21 )
        = $false )
      | ( ( member @ SV52 @ SV31 )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[233]) ).

thf(236,plain,
    ! [SV21: $i,SV31: $i,SV53: $i] :
      ( ( ( member @ SV53 @ SV31 )
        = $false )
      | ( ( member @ SV53 @ SV21 )
        = $true )
      | ( ( SV21 = SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[234]) ).

thf(237,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[69,236,235,232,231,230,229,224,221,220,219,218,217,214,205,202,195,188,167,166,140,103,102,89,88,87,84,76,75]) ).

thf(238,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[237]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET635+3 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.34  % Computer : n016.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sun Jul 10 13:54:26 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  
% 0.13/0.36   No.of.Axioms: 15
% 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:15,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:17,loop_count:0,foatp_calls:0,translation:fof_full)................
% 1.95/2.15  
% 1.95/2.15  ********************************
% 1.95/2.15  *   All subproblems solved!    *
% 1.95/2.15  ********************************
% 1.95/2.15  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:15,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:237,loop_count:0,foatp_calls:1,translation:fof_full)
% 1.95/2.16  
% 1.95/2.16  %**** Beginning of derivation protocol ****
% 1.95/2.16  % SZS output start CNFRefutation
% See solution above
% 1.95/2.16  
% 1.95/2.16  %**** End of derivation protocol ****
% 1.95/2.16  %**** no. of clauses in derivation: 238 ****
% 1.95/2.16  %**** clause counter: 237 ****
% 1.95/2.16  
% 1.95/2.16  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:15,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:237,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------