TSTP Solution File: SET639+3 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET639+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 : n021.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 03:03:51 EDT 2022

% Result   : Theorem 0.19s 0.42s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   20
% Syntax   : Number of formulae    :  186 ( 111 unt;  10 typ;   0 def)
%            Number of atoms       : 1020 ( 349 equ;   0 cnn)
%            Maximal formula atoms :    3 (   5 avg)
%            Number of connectives : 1886 ( 375   ~; 316   |;  29   &;1145   @)
%                                         (  12 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   12 (  12   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   13 (  10 usr;   5 con; 0-2 aty)
%            Number of variables   :  463 (   0   ^ 463   !;   0   ?; 463   :)

% Comments : 
%------------------------------------------------------------------------------
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_SY21,type,
    sK2_SY21: $i ).

thf(tp_sK3_D,type,
    sK3_D: $i > $i > $i ).

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

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

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

thf(1,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(2,axiom,
    ! [B: $i] :
      ( ( empty @ B )
    <=> ! [C: $i] :
          ~ ( member @ C @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_defn) ).

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

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

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

thf(6,axiom,
    ! [B: $i,C: $i] :
      ( ( subset @ B @ C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
         => ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

thf(7,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(8,axiom,
    ! [B: $i] :
      ~ ( member @ B @ empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_set_defn) ).

thf(9,axiom,
    ! [B: $i,C: $i] :
      ( ( subset @ B @ C )
     => ( ( intersection @ B @ C )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_intersection) ).

thf(10,conjecture,
    ! [B: $i,C: $i] :
      ( ( ( subset @ B @ C )
        & ( ( intersection @ C @ B )
          = empty_set ) )
     => ( B = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th121) ).

thf(11,negated_conjecture,
    ( ( ! [B: $i,C: $i] :
          ( ( ( subset @ B @ C )
            & ( ( intersection @ C @ B )
              = empty_set ) )
         => ( B = empty_set ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[10]) ).

thf(12,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( subset @ B @ C )
            & ( ( intersection @ C @ B )
              = empty_set ) )
         => ( B = empty_set ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(13,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
            <=> ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(14,plain,
    ( ( ! [B: $i] :
          ( ( empty @ B )
        <=> ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(15,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(16,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(17,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( B = C )
        <=> ( ( subset @ B @ C )
            & ( subset @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(18,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( subset @ B @ C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
             => ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

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)],[7]) ).

thf(20,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(21,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( subset @ B @ C )
         => ( ( intersection @ B @ C )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(22,plain,
    ( ( ! [SY21: $i] :
          ( ( ( subset @ sK1_B @ SY21 )
            & ( ( intersection @ SY21 @ sK1_B )
              = empty_set ) )
         => ( sK1_B = empty_set ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[12]) ).

thf(23,plain,
    ( ( ( ( subset @ sK1_B @ sK2_SY21 )
        & ( ( intersection @ sK2_SY21 @ sK1_B )
          = empty_set ) )
     => ( sK1_B = empty_set ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[22]) ).

thf(24,plain,
    ( ( subset @ sK1_B @ sK2_SY21 )
    = $true ),
    inference(standard_cnf,[status(thm)],[23]) ).

thf(25,plain,
    ( ( ( intersection @ sK2_SY21 @ sK1_B )
      = empty_set )
    = $true ),
    inference(standard_cnf,[status(thm)],[23]) ).

thf(26,plain,
    ( ( sK1_B = empty_set )
    = $false ),
    inference(standard_cnf,[status(thm)],[23]) ).

thf(27,plain,
    ( ( ( sK1_B != empty_set ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[26]) ).

thf(28,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK3_D @ C @ B ) @ B )
              | ~ ( member @ ( sK3_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK3_D @ C @ B ) @ B )
              | ( member @ ( sK3_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)],[13]) ).

thf(29,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)],[14]) ).

thf(30,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)],[17]) ).

thf(31,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK5_D @ C @ B ) @ B )
            & ~ ( member @ ( sK5_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)],[18]) ).

thf(32,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(33,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ( ( intersection @ B @ C )
            = B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[21]) ).

thf(34,plain,
    ( ( ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ( ( intersection @ B @ C )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(35,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[20]) ).

thf(36,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)],[32]) ).

thf(37,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK5_D @ C @ B ) @ B )
            & ~ ( member @ ( sK5_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)],[31]) ).

thf(38,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)],[30]) ).

thf(39,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( intersection @ B @ C )
          = ( intersection @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[16]) ).

thf(40,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(41,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK4_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[29]) ).

thf(42,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( ~ ( member @ ( sK3_D @ C @ B ) @ B )
              | ~ ( member @ ( sK3_D @ C @ B ) @ C ) )
            & ( ( member @ ( sK3_D @ C @ B ) @ B )
              | ( member @ ( sK3_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)],[28]) ).

thf(43,plain,
    ( ( ( intersection @ sK2_SY21 @ sK1_B )
      = empty_set )
    = $true ),
    inference(copy,[status(thm)],[25]) ).

thf(44,plain,
    ( ( subset @ sK1_B @ sK2_SY21 )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(45,plain,
    ( ( ( sK1_B != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(46,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                        | ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                        | ( member @ ( sK3_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)],[42]) ).

thf(47,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)],[41]) ).

thf(48,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)],[36]) ).

thf(49,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK5_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)],[37]) ).

thf(50,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(51,plain,
    ! [SV1: $i] :
      ( ( ! [SY22: $i] :
            ( ~ ( subset @ SV1 @ SY22 )
            | ( ( intersection @ SV1 @ SY22 )
              = SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[34]) ).

thf(52,plain,
    ! [SV2: $i] :
      ( ( ~ ( member @ SV2 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[35]) ).

thf(53,plain,
    ! [SV3: $i] :
      ( ( ! [SY23: $i] :
            ( ( intersection @ SV3 @ SY23 )
            = ( intersection @ SY23 @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[39]) ).

thf(54,plain,
    ! [SV4: $i] :
      ( ( subset @ SV4 @ SV4 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[40]) ).

thf(55,plain,
    ( ( sK1_B = empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[45]) ).

thf(56,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK3_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(57,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)],[47]) ).

thf(58,plain,
    ! [SV5: $i] :
      ( ( ~ ( ~ ! [SY24: $i,SY25: $i] :
                  ( ~ ( member @ SY25 @ SV5 )
                  | ~ ( member @ SY25 @ SY24 )
                  | ( member @ SY25 @ ( intersection @ SV5 @ SY24 ) ) )
            | ~ ~ ( ~ ! [SY26: $i,SY27: $i] :
                        ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
                        | ( member @ SY27 @ SV5 ) )
                  | ~ ! [SY28: $i,SY29: $i] :
                        ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
                        | ( member @ SY29 @ SY28 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[48]) ).

thf(59,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK5_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)],[49]) ).

thf(60,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(61,plain,
    ! [SV6: $i,SV1: $i] :
      ( ( ~ ( subset @ SV1 @ SV6 )
        | ( ( intersection @ SV1 @ SV6 )
          = SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[51]) ).

thf(62,plain,
    ! [SV2: $i] :
      ( ( member @ SV2 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[52]) ).

thf(63,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( intersection @ SV3 @ SV7 )
        = ( intersection @ SV7 @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[53]) ).

thf(64,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                    | ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[56]) ).

thf(65,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)],[56]) ).

thf(66,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK4_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[57]) ).

thf(67,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[57]) ).

thf(68,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY24: $i,SY25: $i] :
              ( ~ ( member @ SY25 @ SV5 )
              | ~ ( member @ SY25 @ SY24 )
              | ( member @ SY25 @ ( intersection @ SV5 @ SY24 ) ) )
        | ~ ~ ( ~ ! [SY26: $i,SY27: $i] :
                    ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
                    | ( member @ SY27 @ SV5 ) )
              | ~ ! [SY28: $i,SY29: $i] :
                    ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
                    | ( member @ SY29 @ SY28 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[58]) ).

thf(69,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[59]) ).

thf(70,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[59]) ).

thf(71,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[60]) ).

thf(72,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[60]) ).

thf(73,plain,
    ! [SV6: $i,SV1: $i] :
      ( ( ( ~ ( subset @ SV1 @ SV6 ) )
        = $true )
      | ( ( ( intersection @ SV1 @ SV6 )
          = SV1 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[61]) ).

thf(74,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                  | ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                  | ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[64]) ).

thf(75,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)],[65]) ).

thf(76,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK4_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[66]) ).

thf(77,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[67]) ).

thf(78,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY24: $i,SY25: $i] :
              ( ~ ( member @ SY25 @ SV5 )
              | ~ ( member @ SY25 @ SY24 )
              | ( member @ SY25 @ ( intersection @ SV5 @ SY24 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[68]) ).

thf(79,plain,
    ! [SV5: $i] :
      ( ( ~ ~ ( ~ ! [SY26: $i,SY27: $i] :
                    ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
                    | ( member @ SY27 @ SV5 ) )
              | ~ ! [SY28: $i,SY29: $i] :
                    ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
                    | ( member @ SY29 @ SY28 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[68]) ).

thf(80,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK5_D @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[69]) ).

thf(81,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[70]) ).

thf(82,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[71]) ).

thf(83,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[72]) ).

thf(84,plain,
    ! [SV6: $i,SV1: $i] :
      ( ( ( subset @ SV1 @ SV6 )
        = $false )
      | ( ( ( intersection @ SV1 @ SV6 )
          = SV1 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[73]) ).

thf(85,plain,
    ! [SV8: $i] :
      ( ( ! [SY30: $i] :
            ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SY30 @ SV8 ) @ SV8 )
                    | ~ ( member @ ( sK3_D @ SY30 @ SV8 ) @ SY30 ) )
                | ~ ( ( member @ ( sK3_D @ SY30 @ SV8 ) @ SV8 )
                    | ( member @ ( sK3_D @ SY30 @ SV8 ) @ SY30 ) ) )
            | ( SV8 = SY30 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(86,plain,
    ! [SV9: $i] :
      ( ( ! [SY31: $i] :
            ( ( SV9 != SY31 )
            | ~ ( ~ ! [SY32: $i] :
                      ( ~ ( member @ SY32 @ SV9 )
                      | ( member @ SY32 @ SY31 ) )
                | ~ ! [SY33: $i] :
                      ( ~ ( member @ SY33 @ SY31 )
                      | ( member @ SY33 @ SV9 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[75]) ).

thf(87,plain,
    ! [SV10: $i] :
      ( ( ( member @ ( sK4_C @ SV10 ) @ SV10 )
        | ( empty @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[76]) ).

thf(88,plain,
    ! [SV11: $i] :
      ( ( ~ ( empty @ SV11 )
        | ! [SY34: $i] :
            ~ ( member @ SY34 @ SV11 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[77]) ).

thf(89,plain,
    ! [SV5: $i] :
      ( ( ! [SY24: $i,SY25: $i] :
            ( ~ ( member @ SY25 @ SV5 )
            | ~ ( member @ SY25 @ SY24 )
            | ( member @ SY25 @ ( intersection @ SV5 @ SY24 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[78]) ).

thf(90,plain,
    ! [SV5: $i] :
      ( ( ~ ( ~ ! [SY26: $i,SY27: $i] :
                  ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
                  | ( member @ SY27 @ SV5 ) )
            | ~ ! [SY28: $i,SY29: $i] :
                  ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
                  | ( member @ SY29 @ SY28 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[79]) ).

thf(91,plain,
    ! [SV12: $i] :
      ( ( ! [SY35: $i] :
            ( ~ ( ~ ( member @ ( sK5_D @ SY35 @ SV12 ) @ SV12 )
                | ~ ~ ( member @ ( sK5_D @ SY35 @ SV12 ) @ SY35 ) )
            | ( subset @ SV12 @ SY35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[80]) ).

thf(92,plain,
    ! [SV13: $i] :
      ( ( ! [SY36: $i] :
            ( ~ ( subset @ SV13 @ SY36 )
            | ! [SY37: $i] :
                ( ~ ( member @ SY37 @ SV13 )
                | ( member @ SY37 @ SY36 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[81]) ).

thf(93,plain,
    ! [SV14: $i] :
      ( ( ! [SY38: $i] :
            ( ~ ( subset @ SV14 @ SY38 )
            | ~ ( subset @ SY38 @ SV14 )
            | ( SV14 = SY38 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[82]) ).

thf(94,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)],[83]) ).

thf(95,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
                | ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
            | ~ ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
                | ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) ) )
        | ( SV8 = SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[85]) ).

thf(96,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( SV9 != SV16 )
        | ~ ( ~ ! [SY39: $i] :
                  ( ~ ( member @ SY39 @ SV9 )
                  | ( member @ SY39 @ SV16 ) )
            | ~ ! [SY40: $i] :
                  ( ~ ( member @ SY40 @ SV16 )
                  | ( member @ SY40 @ SV9 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[86]) ).

thf(97,plain,
    ! [SV10: $i] :
      ( ( ( member @ ( sK4_C @ SV10 ) @ SV10 )
        = $true )
      | ( ( empty @ SV10 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[87]) ).

thf(98,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( empty @ SV11 ) )
        = $true )
      | ( ( ! [SY34: $i] :
              ~ ( member @ SY34 @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[88]) ).

thf(99,plain,
    ! [SV17: $i,SV5: $i] :
      ( ( ! [SY41: $i] :
            ( ~ ( member @ SY41 @ SV5 )
            | ~ ( member @ SY41 @ SV17 )
            | ( member @ SY41 @ ( intersection @ SV5 @ SV17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[89]) ).

thf(100,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY26: $i,SY27: $i] :
              ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
              | ( member @ SY27 @ SV5 ) )
        | ~ ! [SY28: $i,SY29: $i] :
              ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
              | ( member @ SY29 @ SY28 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[90]) ).

thf(101,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ~ ( ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV12 )
            | ~ ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV18 ) )
        | ( subset @ SV12 @ SV18 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[91]) ).

thf(102,plain,
    ! [SV19: $i,SV13: $i] :
      ( ( ~ ( subset @ SV13 @ SV19 )
        | ! [SY42: $i] :
            ( ~ ( member @ SY42 @ SV13 )
            | ( member @ SY42 @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(103,plain,
    ! [SV20: $i,SV14: $i] :
      ( ( ~ ( subset @ SV14 @ SV20 )
        | ~ ( subset @ SV20 @ SV14 )
        | ( SV14 = SV20 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(104,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[94]) ).

thf(105,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[94]) ).

thf(106,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
                  | ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
              | ~ ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
                  | ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) ) ) )
        = $true )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[95]) ).

thf(107,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ( SV9 != SV16 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY39: $i] :
                    ( ~ ( member @ SY39 @ SV9 )
                    | ( member @ SY39 @ SV16 ) )
              | ~ ! [SY40: $i] :
                    ( ~ ( member @ SY40 @ SV16 )
                    | ( member @ SY40 @ SV9 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[96]) ).

thf(108,plain,
    ! [SV11: $i] :
      ( ( ( empty @ SV11 )
        = $false )
      | ( ( ! [SY34: $i] :
              ~ ( member @ SY34 @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[98]) ).

thf(109,plain,
    ! [SV17: $i,SV5: $i,SV21: $i] :
      ( ( ~ ( member @ SV21 @ SV5 )
        | ~ ( member @ SV21 @ SV17 )
        | ( member @ SV21 @ ( intersection @ SV5 @ SV17 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[99]) ).

thf(110,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY26: $i,SY27: $i] :
              ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
              | ( member @ SY27 @ SV5 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(111,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY28: $i,SY29: $i] :
              ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
              | ( member @ SY29 @ SY28 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(112,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV12 )
              | ~ ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV18 ) ) )
        = $true )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[101]) ).

thf(113,plain,
    ! [SV19: $i,SV13: $i] :
      ( ( ( ~ ( subset @ SV13 @ SV19 ) )
        = $true )
      | ( ( ! [SY42: $i] :
              ( ~ ( member @ SY42 @ SV13 )
              | ( member @ SY42 @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[102]) ).

thf(114,plain,
    ! [SV20: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV20 )
          | ~ ( subset @ SV20 @ SV14 ) )
        = $true )
      | ( ( SV14 = SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[103]) ).

thf(115,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[104]) ).

thf(116,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[105]) ).

thf(117,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
              | ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
          | ~ ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
              | ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) ) )
        = $false )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[106]) ).

thf(118,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( SV9 = SV16 )
        = $false )
      | ( ( ~ ( ~ ! [SY39: $i] :
                    ( ~ ( member @ SY39 @ SV9 )
                    | ( member @ SY39 @ SV16 ) )
              | ~ ! [SY40: $i] :
                    ( ~ ( member @ SY40 @ SV16 )
                    | ( member @ SY40 @ SV9 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[107]) ).

thf(119,plain,
    ! [SV11: $i,SV22: $i] :
      ( ( ( ~ ( member @ SV22 @ SV11 ) )
        = $true )
      | ( ( empty @ SV11 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[108]) ).

thf(120,plain,
    ! [SV17: $i,SV5: $i,SV21: $i] :
      ( ( ( ~ ( member @ SV21 @ SV5 )
          | ~ ( member @ SV21 @ SV17 ) )
        = $true )
      | ( ( member @ SV21 @ ( intersection @ SV5 @ SV17 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[109]) ).

thf(121,plain,
    ! [SV5: $i] :
      ( ( ! [SY26: $i,SY27: $i] :
            ( ~ ( member @ SY27 @ ( intersection @ SV5 @ SY26 ) )
            | ( member @ SY27 @ SV5 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[110]) ).

thf(122,plain,
    ! [SV5: $i] :
      ( ( ! [SY28: $i,SY29: $i] :
            ( ~ ( member @ SY29 @ ( intersection @ SV5 @ SY28 ) )
            | ( member @ SY29 @ SY28 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[111]) ).

thf(123,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV12 )
          | ~ ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV18 ) )
        = $false )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[112]) ).

thf(124,plain,
    ! [SV19: $i,SV13: $i] :
      ( ( ( subset @ SV13 @ SV19 )
        = $false )
      | ( ( ! [SY42: $i] :
              ( ~ ( member @ SY42 @ SV13 )
              | ( member @ SY42 @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[113]) ).

thf(125,plain,
    ! [SV20: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV20 ) )
        = $true )
      | ( ( ~ ( subset @ SV20 @ SV14 ) )
        = $true )
      | ( ( SV14 = SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[114]) ).

thf(126,plain,
    ! [SV23: $i] :
      ( ( ! [SY43: $i] :
            ( ( SV23 != SY43 )
            | ( subset @ SV23 @ SY43 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[115]) ).

thf(127,plain,
    ! [SV24: $i] :
      ( ( ! [SY44: $i] :
            ( ( SV24 != SY44 )
            | ( subset @ SY44 @ SV24 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[116]) ).

thf(128,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
              | ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) ) )
        = $false )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[117]) ).

thf(129,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ~ ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
              | ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) ) )
        = $false )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[117]) ).

thf(130,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ~ ! [SY39: $i] :
                ( ~ ( member @ SY39 @ SV9 )
                | ( member @ SY39 @ SV16 ) )
          | ~ ! [SY40: $i] :
                ( ~ ( member @ SY40 @ SV16 )
                | ( member @ SY40 @ SV9 ) ) )
        = $false )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[118]) ).

thf(131,plain,
    ! [SV11: $i,SV22: $i] :
      ( ( ( member @ SV22 @ SV11 )
        = $false )
      | ( ( empty @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[119]) ).

thf(132,plain,
    ! [SV17: $i,SV5: $i,SV21: $i] :
      ( ( ( ~ ( member @ SV21 @ SV5 ) )
        = $true )
      | ( ( ~ ( member @ SV21 @ SV17 ) )
        = $true )
      | ( ( member @ SV21 @ ( intersection @ SV5 @ SV17 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[120]) ).

thf(133,plain,
    ! [SV25: $i,SV5: $i] :
      ( ( ! [SY45: $i] :
            ( ~ ( member @ SY45 @ ( intersection @ SV5 @ SV25 ) )
            | ( member @ SY45 @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[121]) ).

thf(134,plain,
    ! [SV26: $i,SV5: $i] :
      ( ( ! [SY46: $i] :
            ( ~ ( member @ SY46 @ ( intersection @ SV5 @ SV26 ) )
            | ( member @ SY46 @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[122]) ).

thf(135,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV12 ) )
        = $false )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[123]) ).

thf(136,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ~ ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV18 ) )
        = $false )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[123]) ).

thf(137,plain,
    ! [SV19: $i,SV13: $i,SV27: $i] :
      ( ( ( ~ ( member @ SV27 @ SV13 )
          | ( member @ SV27 @ SV19 ) )
        = $true )
      | ( ( subset @ SV13 @ SV19 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[124]) ).

thf(138,plain,
    ! [SV20: $i,SV14: $i] :
      ( ( ( subset @ SV14 @ SV20 )
        = $false )
      | ( ( ~ ( subset @ SV20 @ SV14 ) )
        = $true )
      | ( ( SV14 = SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[125]) ).

thf(139,plain,
    ! [SV28: $i,SV23: $i] :
      ( ( ( SV23 != SV28 )
        | ( subset @ SV23 @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[126]) ).

thf(140,plain,
    ! [SV29: $i,SV24: $i] :
      ( ( ( SV24 != SV29 )
        | ( subset @ SV29 @ SV24 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[127]) ).

thf(141,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
          | ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
        = $true )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[128]) ).

thf(142,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
          | ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
        = $true )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[129]) ).

thf(143,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ~ ! [SY39: $i] :
                ( ~ ( member @ SY39 @ SV9 )
                | ( member @ SY39 @ SV16 ) ) )
        = $false )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[130]) ).

thf(144,plain,
    ! [SV9: $i,SV16: $i] :
      ( ( ( ~ ! [SY40: $i] :
                ( ~ ( member @ SY40 @ SV16 )
                | ( member @ SY40 @ SV9 ) ) )
        = $false )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[130]) ).

thf(145,plain,
    ! [SV17: $i,SV5: $i,SV21: $i] :
      ( ( ( member @ SV21 @ SV5 )
        = $false )
      | ( ( ~ ( member @ SV21 @ SV17 ) )
        = $true )
      | ( ( member @ SV21 @ ( intersection @ SV5 @ SV17 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[132]) ).

thf(146,plain,
    ! [SV25: $i,SV5: $i,SV30: $i] :
      ( ( ~ ( member @ SV30 @ ( intersection @ SV5 @ SV25 ) )
        | ( member @ SV30 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[133]) ).

thf(147,plain,
    ! [SV26: $i,SV5: $i,SV31: $i] :
      ( ( ~ ( member @ SV31 @ ( intersection @ SV5 @ SV26 ) )
        | ( member @ SV31 @ SV26 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[134]) ).

thf(148,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV12 )
        = $true )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[135]) ).

thf(149,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( ~ ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV18 ) )
        = $true )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[136]) ).

thf(150,plain,
    ! [SV19: $i,SV13: $i,SV27: $i] :
      ( ( ( ~ ( member @ SV27 @ SV13 ) )
        = $true )
      | ( ( member @ SV27 @ SV19 )
        = $true )
      | ( ( subset @ SV13 @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[137]) ).

thf(151,plain,
    ! [SV14: $i,SV20: $i] :
      ( ( ( subset @ SV20 @ SV14 )
        = $false )
      | ( ( subset @ SV14 @ SV20 )
        = $false )
      | ( ( SV14 = SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(152,plain,
    ! [SV28: $i,SV23: $i] :
      ( ( ( ( SV23 != SV28 ) )
        = $true )
      | ( ( subset @ SV23 @ SV28 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[139]) ).

thf(153,plain,
    ! [SV29: $i,SV24: $i] :
      ( ( ( ( SV24 != SV29 ) )
        = $true )
      | ( ( subset @ SV29 @ SV24 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[140]) ).

thf(154,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 ) )
        = $true )
      | ( ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
        = $true )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[141]) ).

thf(155,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
        = $true )
      | ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 )
        = $true )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[142]) ).

thf(156,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( ! [SY39: $i] :
              ( ~ ( member @ SY39 @ SV9 )
              | ( member @ SY39 @ SV16 ) ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[143]) ).

thf(157,plain,
    ! [SV9: $i,SV16: $i] :
      ( ( ( ! [SY40: $i] :
              ( ~ ( member @ SY40 @ SV16 )
              | ( member @ SY40 @ SV9 ) ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[144]) ).

thf(158,plain,
    ! [SV5: $i,SV17: $i,SV21: $i] :
      ( ( ( member @ SV21 @ SV17 )
        = $false )
      | ( ( member @ SV21 @ SV5 )
        = $false )
      | ( ( member @ SV21 @ ( intersection @ SV5 @ SV17 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[145]) ).

thf(159,plain,
    ! [SV25: $i,SV5: $i,SV30: $i] :
      ( ( ( ~ ( member @ SV30 @ ( intersection @ SV5 @ SV25 ) ) )
        = $true )
      | ( ( member @ SV30 @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[146]) ).

thf(160,plain,
    ! [SV26: $i,SV5: $i,SV31: $i] :
      ( ( ( ~ ( member @ SV31 @ ( intersection @ SV5 @ SV26 ) ) )
        = $true )
      | ( ( member @ SV31 @ SV26 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[147]) ).

thf(161,plain,
    ! [SV12: $i,SV18: $i] :
      ( ( ( member @ ( sK5_D @ SV18 @ SV12 ) @ SV18 )
        = $false )
      | ( ( subset @ SV12 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[149]) ).

thf(162,plain,
    ! [SV19: $i,SV13: $i,SV27: $i] :
      ( ( ( member @ SV27 @ SV13 )
        = $false )
      | ( ( member @ SV27 @ SV19 )
        = $true )
      | ( ( subset @ SV13 @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[150]) ).

thf(163,plain,
    ! [SV28: $i,SV23: $i] :
      ( ( ( SV23 = SV28 )
        = $false )
      | ( ( subset @ SV23 @ SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[152]) ).

thf(164,plain,
    ! [SV29: $i,SV24: $i] :
      ( ( ( SV24 = SV29 )
        = $false )
      | ( ( subset @ SV29 @ SV24 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[153]) ).

thf(165,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
        = $false )
      | ( ( ~ ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 ) )
        = $true )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[154]) ).

thf(166,plain,
    ! [SV16: $i,SV9: $i,SV32: $i] :
      ( ( ( ~ ( member @ SV32 @ SV9 )
          | ( member @ SV32 @ SV16 ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[156]) ).

thf(167,plain,
    ! [SV9: $i,SV16: $i,SV33: $i] :
      ( ( ( ~ ( member @ SV33 @ SV16 )
          | ( member @ SV33 @ SV9 ) )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[157]) ).

thf(168,plain,
    ! [SV25: $i,SV5: $i,SV30: $i] :
      ( ( ( member @ SV30 @ ( intersection @ SV5 @ SV25 ) )
        = $false )
      | ( ( member @ SV30 @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[159]) ).

thf(169,plain,
    ! [SV26: $i,SV5: $i,SV31: $i] :
      ( ( ( member @ SV31 @ ( intersection @ SV5 @ SV26 ) )
        = $false )
      | ( ( member @ SV31 @ SV26 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[160]) ).

thf(170,plain,
    ! [SV8: $i,SV15: $i] :
      ( ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV15 )
        = $false )
      | ( ( member @ ( sK3_D @ SV15 @ SV8 ) @ SV8 )
        = $false )
      | ( ( SV8 = SV15 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[165]) ).

thf(171,plain,
    ! [SV16: $i,SV9: $i,SV32: $i] :
      ( ( ( ~ ( member @ SV32 @ SV9 ) )
        = $true )
      | ( ( member @ SV32 @ SV16 )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[166]) ).

thf(172,plain,
    ! [SV9: $i,SV16: $i,SV33: $i] :
      ( ( ( ~ ( member @ SV33 @ SV16 ) )
        = $true )
      | ( ( member @ SV33 @ SV9 )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[167]) ).

thf(173,plain,
    ! [SV16: $i,SV9: $i,SV32: $i] :
      ( ( ( member @ SV32 @ SV9 )
        = $false )
      | ( ( member @ SV32 @ SV16 )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[171]) ).

thf(174,plain,
    ! [SV9: $i,SV16: $i,SV33: $i] :
      ( ( ( member @ SV33 @ SV16 )
        = $false )
      | ( ( member @ SV33 @ SV9 )
        = $true )
      | ( ( SV9 = SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[172]) ).

thf(175,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[43,174,173,170,169,168,164,163,162,161,158,155,151,148,131,97,84,63,62,55,54,44]) ).

thf(176,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[175]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SET639+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.33  % Computer : n021.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sat Jul  9 21:02:36 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.13/0.34  
% 0.13/0.34   No.of.Axioms: 9
% 0.13/0.34  
% 0.13/0.34   Length.of.Defs: 0
% 0.13/0.34  
% 0.13/0.34   Contains.Choice.Funs: false
% 0.13/0.35  (rf:0,axioms:9,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:11,loop_count:0,foatp_calls:0,translation:fof_full)...........
% 0.19/0.42  
% 0.19/0.42  ********************************
% 0.19/0.42  *   All subproblems solved!    *
% 0.19/0.42  ********************************
% 0.19/0.42  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:11,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:175,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.19/0.43  
% 0.19/0.43  %**** Beginning of derivation protocol ****
% 0.19/0.43  % SZS output start CNFRefutation
% See solution above
% 0.19/0.43  
% 0.19/0.43  %**** End of derivation protocol ****
% 0.19/0.43  %**** no. of clauses in derivation: 176 ****
% 0.19/0.43  %**** clause counter: 175 ****
% 0.19/0.43  
% 0.19/0.43  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:11,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:175,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------