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LEO-II---2.3.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SET699+4 : TPTP v9.3.1. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n003.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Oct  7 10:40:53 AM UTC 2026

% Result   : Theorem 0.90s 0.45s
% Output   : CNFRefutation 0.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    5
% Syntax   : Number of formulae    :  220 ( 111 unt;   0 typ;   0 def)
%            Number of atoms       : 1385 ( 342 equ;   0 cnn)
%            Maximal formula atoms :    4 (   6 avg)
%            Number of connectives : 2965 ( 708   ~; 424   |;  18   &;1776   @)
%                                         (  23 <=>;  16  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   20 (  17 usr;   6 con; 0-2 aty)
%            Number of variables   :  530 (   0   ^; 530   !;   0   ?; 530   :)

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

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

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

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

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

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

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

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

thf(tp_sK2_SY14,type,
    sK2_SY14: $i ).

thf(tp_sK3_SY16,type,
    sK3_SY16: $i ).

thf(tp_sK4_SY26,type,
    sK4_SY26: $i > $i > $i ).

thf(tp_sK5_SY38,type,
    sK5_SY38: $i > $i > $i ).

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

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

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

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

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

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

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

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

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

thf(12,conjecture,
    ! [A: $i,B: $i,E: $i] :
      ( ( ( subset @ A @ E )
        & ( subset @ B @ E ) )
     => ( ( subset @ A @ B )
      <=> ( subset @ ( intersection @ A @ ( difference @ E @ B ) ) @ ( difference @ E @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',thI33) ).

thf(13,negated_conjecture,
    ( ( ! [A: $i,B: $i,E: $i] :
          ( ( ( subset @ A @ E )
            & ( subset @ B @ E ) )
         => ( ( subset @ A @ B )
          <=> ( subset @ ( intersection @ A @ ( difference @ E @ B ) ) @ ( difference @ E @ A ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[12]) ).

thf(14,plain,
    ( ( ! [A: $i,B: $i,E: $i] :
          ( ( ( subset @ A @ E )
            & ( subset @ B @ E ) )
         => ( ( subset @ A @ B )
          <=> ( subset @ ( intersection @ A @ ( difference @ E @ B ) ) @ ( difference @ E @ A ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(15,plain,
    ( ( ! [B: $i,A: $i,E: $i] :
          ( ( member @ B @ ( difference @ E @ A ) )
        <=> ( ( member @ B @ E )
            & ~ ( member @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(16,plain,
    ( ( ! [X: $i,A: $i,B: $i] :
          ( ( member @ X @ ( intersection @ A @ B ) )
        <=> ( ( member @ X @ A )
            & ( member @ X @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(17,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( equal_set @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(18,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [X: $i] :
              ( ( member @ X @ A )
             => ( member @ X @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(19,plain,
    ( ( ! [SY14: $i,SY15: $i] :
          ( ( ( subset @ sK1_A @ SY15 )
            & ( subset @ SY14 @ SY15 ) )
         => ( ( subset @ sK1_A @ SY14 )
          <=> ( subset @ ( intersection @ sK1_A @ ( difference @ SY15 @ SY14 ) ) @ ( difference @ SY15 @ sK1_A ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[14]) ).

thf(20,plain,
    ( ( ! [SY16: $i] :
          ( ( ( subset @ sK1_A @ SY16 )
            & ( subset @ sK2_SY14 @ SY16 ) )
         => ( ( subset @ sK1_A @ sK2_SY14 )
          <=> ( subset @ ( intersection @ sK1_A @ ( difference @ SY16 @ sK2_SY14 ) ) @ ( difference @ SY16 @ sK1_A ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[19]) ).

thf(21,plain,
    ( ( ( ( subset @ sK1_A @ sK3_SY16 )
        & ( subset @ sK2_SY14 @ sK3_SY16 ) )
     => ( ( subset @ sK1_A @ sK2_SY14 )
      <=> ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[20]) ).

thf(22,plain,
    ( ( subset @ sK1_A @ sK3_SY16 )
    = $true ),
    inference(standard_cnf,[status(thm)],[21]) ).

thf(23,plain,
    ( ( subset @ sK2_SY14 @ sK3_SY16 )
    = $true ),
    inference(standard_cnf,[status(thm)],[21]) ).

thf(24,plain,
    ( ( ( subset @ sK1_A @ sK2_SY14 )
    <=> ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[21]) ).

thf(25,plain,
    ( ( ( subset @ sK1_A @ sK2_SY14 )
     => ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[24]) ).

thf(26,plain,
    ( ( ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
     => ( subset @ sK1_A @ sK2_SY14 ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[24]) ).

thf(27,plain,
    ( ( ~ ( ( subset @ sK1_A @ sK2_SY14 )
         => ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[25]) ).

thf(28,plain,
    ( ( ~ ( ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
         => ( subset @ sK1_A @ sK2_SY14 ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[26]) ).

thf(29,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [X: $i] :
              ( ( member @ X @ A )
             => ( member @ X @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[18]) ).

thf(30,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( equal_set @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[17]) ).

thf(31,plain,
    ( ( ! [X: $i,A: $i,B: $i] :
          ( ( member @ X @ ( intersection @ A @ B ) )
        <=> ( ( member @ X @ A )
            & ( member @ X @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[16]) ).

thf(32,plain,
    ( ( ! [B: $i,A: $i,E: $i] :
          ( ( member @ B @ ( difference @ E @ A ) )
        <=> ( ( member @ B @ E )
            & ~ ( member @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(33,plain,
    ( ( subset @ sK2_SY14 @ sK3_SY16 )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(34,plain,
    ( ( subset @ sK1_A @ sK3_SY16 )
    = $true ),
    inference(copy,[status(thm)],[22]) ).

thf(35,plain,
    ( ( ~ ( ( subset @ sK1_A @ sK2_SY14 )
         => ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(36,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(37,plain,
    ( ( ~ ( ~ ( subset @ sK1_A @ sK2_SY14 )
          | ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(38,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ~ ( member @ SX0 @ ( intersection @ SX1 @ SX2 ) )
                | ~ ( ~ ( member @ SX0 @ SX1 )
                    | ~ ( member @ SX0 @ SX2 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SX0 @ SX1 )
                      | ~ ( member @ SX0 @ SX2 ) )
                | ( member @ SX0 @ ( intersection @ SX1 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(39,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( equal_set @ SX0 @ SX1 )
                | ~ ( ~ ( subset @ SX0 @ SX1 )
                    | ~ ( subset @ SX1 @ SX0 ) ) )
            | ~ ( ~ ~ ( ~ ( subset @ SX0 @ SX1 )
                      | ~ ( subset @ SX1 @ SX0 ) )
                | ( equal_set @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(40,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ~ ( member @ SX0 @ ( difference @ SX2 @ SX1 ) )
                | ~ ( ~ ( member @ SX0 @ SX2 )
                    | ~ ~ ( member @ SX0 @ SX1 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SX0 @ SX2 )
                      | ~ ~ ( member @ SX0 @ SX1 ) )
                | ( member @ SX0 @ ( difference @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(41,plain,
    ! [SV1: $i] :
      ( ( ! [SY17: $i] :
            ~ ( ~ ( ~ ( subset @ SV1 @ SY17 )
                  | ! [SY18: $i] :
                      ( ~ ( member @ SY18 @ SV1 )
                      | ( member @ SY18 @ SY17 ) ) )
              | ~ ( ~ ! [SY19: $i] :
                        ( ~ ( member @ SY19 @ SV1 )
                        | ( member @ SY19 @ SY17 ) )
                  | ( subset @ SV1 @ SY17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[36]) ).

thf(42,plain,
    ( ( ~ ( subset @ sK1_A @ sK2_SY14 )
      | ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[37]) ).

thf(43,plain,
    ! [SV2: $i] :
      ( ( ! [SY20: $i,SY21: $i] :
            ~ ( ~ ( ~ ( member @ SV2 @ ( intersection @ SY20 @ SY21 ) )
                  | ~ ( ~ ( member @ SV2 @ SY20 )
                      | ~ ( member @ SV2 @ SY21 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV2 @ SY20 )
                        | ~ ( member @ SV2 @ SY21 ) )
                  | ( member @ SV2 @ ( intersection @ SY20 @ SY21 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[38]) ).

thf(44,plain,
    ! [SV3: $i] :
      ( ( ! [SY22: $i] :
            ~ ( ~ ( ~ ( equal_set @ SV3 @ SY22 )
                  | ~ ( ~ ( subset @ SV3 @ SY22 )
                      | ~ ( subset @ SY22 @ SV3 ) ) )
              | ~ ( ~ ~ ( ~ ( subset @ SV3 @ SY22 )
                        | ~ ( subset @ SY22 @ SV3 ) )
                  | ( equal_set @ SV3 @ SY22 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[39]) ).

thf(45,plain,
    ! [SV4: $i] :
      ( ( ! [SY23: $i,SY24: $i] :
            ~ ( ~ ( ~ ( member @ SV4 @ ( difference @ SY24 @ SY23 ) )
                  | ~ ( ~ ( member @ SV4 @ SY24 )
                      | ~ ~ ( member @ SV4 @ SY23 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV4 @ SY24 )
                        | ~ ~ ( member @ SV4 @ SY23 ) )
                  | ( member @ SV4 @ ( difference @ SY24 @ SY23 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[40]) ).

thf(46,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV1 @ SV5 )
                | ! [SY25: $i] :
                    ( ~ ( member @ SY25 @ SV1 )
                    | ( member @ SY25 @ SV5 ) ) )
            | ~ ( ~ ! [SY26: $i] :
                      ( ~ ( member @ SY26 @ SV1 )
                      | ( member @ SY26 @ SV5 ) )
                | ( subset @ SV1 @ SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[41]) ).

thf(47,plain,
    ( ( ~ ( subset @ sK1_A @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[42]) ).

thf(48,plain,
    ( ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[42]) ).

thf(49,plain,
    ! [SV6: $i,SV2: $i] :
      ( ( ! [SY27: $i] :
            ~ ( ~ ( ~ ( member @ SV2 @ ( intersection @ SV6 @ SY27 ) )
                  | ~ ( ~ ( member @ SV2 @ SV6 )
                      | ~ ( member @ SV2 @ SY27 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV2 @ SV6 )
                        | ~ ( member @ SV2 @ SY27 ) )
                  | ( member @ SV2 @ ( intersection @ SV6 @ SY27 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[43]) ).

thf(50,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ~ ( ~ ( ~ ( equal_set @ SV3 @ SV7 )
                | ~ ( ~ ( subset @ SV3 @ SV7 )
                    | ~ ( subset @ SV7 @ SV3 ) ) )
            | ~ ( ~ ~ ( ~ ( subset @ SV3 @ SV7 )
                      | ~ ( subset @ SV7 @ SV3 ) )
                | ( equal_set @ SV3 @ SV7 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[44]) ).

thf(51,plain,
    ! [SV8: $i,SV4: $i] :
      ( ( ! [SY28: $i] :
            ~ ( ~ ( ~ ( member @ SV4 @ ( difference @ SY28 @ SV8 ) )
                  | ~ ( ~ ( member @ SV4 @ SY28 )
                      | ~ ~ ( member @ SV4 @ SV8 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV4 @ SY28 )
                        | ~ ~ ( member @ SV4 @ SV8 ) )
                  | ( member @ SV4 @ ( difference @ SY28 @ SV8 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[45]) ).

thf(52,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ~ ( ~ ( subset @ SV1 @ SV5 )
            | ! [SY25: $i] :
                ( ~ ( member @ SY25 @ SV1 )
                | ( member @ SY25 @ SV5 ) ) )
        | ~ ( ~ ! [SY26: $i] :
                  ( ~ ( member @ SY26 @ SV1 )
                  | ( member @ SY26 @ SV5 ) )
            | ( subset @ SV1 @ SV5 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[46]) ).

thf(53,plain,
    ( ( subset @ sK1_A @ sK2_SY14 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[47]) ).

thf(54,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ~ ( ~ ( ~ ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
                | ~ ( ~ ( member @ SV2 @ SV6 )
                    | ~ ( member @ SV2 @ SV9 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SV2 @ SV6 )
                      | ~ ( member @ SV2 @ SV9 ) )
                | ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[49]) ).

thf(55,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ~ ( ~ ( equal_set @ SV3 @ SV7 )
            | ~ ( ~ ( subset @ SV3 @ SV7 )
                | ~ ( subset @ SV7 @ SV3 ) ) )
        | ~ ( ~ ~ ( ~ ( subset @ SV3 @ SV7 )
                  | ~ ( subset @ SV7 @ SV3 ) )
            | ( equal_set @ SV3 @ SV7 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(56,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ~ ( ~ ( ~ ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
                | ~ ( ~ ( member @ SV4 @ SV10 )
                    | ~ ~ ( member @ SV4 @ SV8 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SV4 @ SV10 )
                      | ~ ~ ( member @ SV4 @ SV8 ) )
                | ( member @ SV4 @ ( difference @ SV10 @ SV8 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[51]) ).

thf(57,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ~ ( ~ ( subset @ SV1 @ SV5 )
            | ! [SY25: $i] :
                ( ~ ( member @ SY25 @ SV1 )
                | ( member @ SY25 @ SV5 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[52]) ).

thf(58,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ~ ( ~ ! [SY26: $i] :
                  ( ~ ( member @ SY26 @ SV1 )
                  | ( member @ SY26 @ SV5 ) )
            | ( subset @ SV1 @ SV5 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[52]) ).

thf(59,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ~ ( ~ ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
            | ~ ( ~ ( member @ SV2 @ SV6 )
                | ~ ( member @ SV2 @ SV9 ) ) )
        | ~ ( ~ ~ ( ~ ( member @ SV2 @ SV6 )
                  | ~ ( member @ SV2 @ SV9 ) )
            | ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[54]) ).

thf(60,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ~ ( ~ ( equal_set @ SV3 @ SV7 )
            | ~ ( ~ ( subset @ SV3 @ SV7 )
                | ~ ( subset @ SV7 @ SV3 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[55]) ).

thf(61,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ~ ( ~ ~ ( ~ ( subset @ SV3 @ SV7 )
                  | ~ ( subset @ SV7 @ SV3 ) )
            | ( equal_set @ SV3 @ SV7 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[55]) ).

thf(62,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ~ ( ~ ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
            | ~ ( ~ ( member @ SV4 @ SV10 )
                | ~ ~ ( member @ SV4 @ SV8 ) ) )
        | ~ ( ~ ~ ( ~ ( member @ SV4 @ SV10 )
                  | ~ ~ ( member @ SV4 @ SV8 ) )
            | ( member @ SV4 @ ( difference @ SV10 @ SV8 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(63,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ~ ( subset @ SV1 @ SV5 )
        | ! [SY25: $i] :
            ( ~ ( member @ SY25 @ SV1 )
            | ( member @ SY25 @ SV5 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[57]) ).

thf(64,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ~ ! [SY26: $i] :
              ( ~ ( member @ SY26 @ SV1 )
              | ( member @ SY26 @ SV5 ) )
        | ( subset @ SV1 @ SV5 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[58]) ).

thf(65,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ~ ( ~ ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
            | ~ ( ~ ( member @ SV2 @ SV6 )
                | ~ ( member @ SV2 @ SV9 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[59]) ).

thf(66,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ~ ( ~ ~ ( ~ ( member @ SV2 @ SV6 )
                  | ~ ( member @ SV2 @ SV9 ) )
            | ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[59]) ).

thf(67,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ~ ( equal_set @ SV3 @ SV7 )
        | ~ ( ~ ( subset @ SV3 @ SV7 )
            | ~ ( subset @ SV7 @ SV3 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[60]) ).

thf(68,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ~ ~ ( ~ ( subset @ SV3 @ SV7 )
              | ~ ( subset @ SV7 @ SV3 ) )
        | ( equal_set @ SV3 @ SV7 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[61]) ).

thf(69,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ~ ( ~ ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
            | ~ ( ~ ( member @ SV4 @ SV10 )
                | ~ ~ ( member @ SV4 @ SV8 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[62]) ).

thf(70,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ~ ( ~ ~ ( ~ ( member @ SV4 @ SV10 )
                  | ~ ~ ( member @ SV4 @ SV8 ) )
            | ( member @ SV4 @ ( difference @ SV10 @ SV8 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[62]) ).

thf(71,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ~ ( subset @ SV1 @ SV5 ) )
        = $true )
      | ( ( ! [SY25: $i] :
              ( ~ ( member @ SY25 @ SV1 )
              | ( member @ SY25 @ SV5 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[63]) ).

thf(72,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ~ ! [SY26: $i] :
                ( ~ ( member @ SY26 @ SV1 )
                | ( member @ SY26 @ SV5 ) ) )
        = $true )
      | ( ( subset @ SV1 @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[64]) ).

thf(73,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ~ ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        | ~ ( ~ ( member @ SV2 @ SV6 )
            | ~ ( member @ SV2 @ SV9 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[65]) ).

thf(74,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ~ ~ ( ~ ( member @ SV2 @ SV6 )
              | ~ ( member @ SV2 @ SV9 ) )
        | ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[66]) ).

thf(75,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ( equal_set @ SV3 @ SV7 ) )
        = $true )
      | ( ( ~ ( ~ ( subset @ SV3 @ SV7 )
              | ~ ( subset @ SV7 @ SV3 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[67]) ).

thf(76,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ~ ( ~ ( subset @ SV3 @ SV7 )
                | ~ ( subset @ SV7 @ SV3 ) ) )
        = $true )
      | ( ( equal_set @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[68]) ).

thf(77,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ~ ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        | ~ ( ~ ( member @ SV4 @ SV10 )
            | ~ ~ ( member @ SV4 @ SV8 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[69]) ).

thf(78,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ~ ~ ( ~ ( member @ SV4 @ SV10 )
              | ~ ~ ( member @ SV4 @ SV8 ) )
        | ( member @ SV4 @ ( difference @ SV10 @ SV8 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[70]) ).

thf(79,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( subset @ SV1 @ SV5 )
        = $false )
      | ( ( ! [SY25: $i] :
              ( ~ ( member @ SY25 @ SV1 )
              | ( member @ SY25 @ SV5 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[71]) ).

thf(80,plain,
    ! [SV5: $i,SV1: $i] :
      ( ( ( ! [SY26: $i] :
              ( ~ ( member @ SY26 @ SV1 )
              | ( member @ SY26 @ SV5 ) ) )
        = $false )
      | ( ( subset @ SV1 @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[72]) ).

thf(81,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) ) )
        = $true )
      | ( ( ~ ( ~ ( member @ SV2 @ SV6 )
              | ~ ( member @ SV2 @ SV9 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[73]) ).

thf(82,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ( member @ SV2 @ SV6 )
                | ~ ( member @ SV2 @ SV9 ) ) )
        = $true )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[74]) ).

thf(83,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( equal_set @ SV3 @ SV7 )
        = $false )
      | ( ( ~ ( ~ ( subset @ SV3 @ SV7 )
              | ~ ( subset @ SV7 @ SV3 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[75]) ).

thf(84,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ( ~ ( subset @ SV3 @ SV7 )
              | ~ ( subset @ SV7 @ SV3 ) ) )
        = $false )
      | ( ( equal_set @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(85,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ ( difference @ SV10 @ SV8 ) ) )
        = $true )
      | ( ( ~ ( ~ ( member @ SV4 @ SV10 )
              | ~ ~ ( member @ SV4 @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[77]) ).

thf(86,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ~ ( ~ ( member @ SV4 @ SV10 )
                | ~ ~ ( member @ SV4 @ SV8 ) ) )
        = $true )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[78]) ).

thf(87,plain,
    ! [SV5: $i,SV1: $i,SV11: $i] :
      ( ( ( ~ ( member @ SV11 @ SV1 )
          | ( member @ SV11 @ SV5 ) )
        = $true )
      | ( ( subset @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[79]) ).

thf(88,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ~ ( member @ ( sK4_SY26 @ SV5 @ SV1 ) @ SV1 )
          | ( member @ ( sK4_SY26 @ SV5 @ SV1 ) @ SV5 ) )
        = $false )
      | ( ( subset @ SV1 @ SV5 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[80]) ).

thf(89,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $false )
      | ( ( ~ ( ~ ( member @ SV2 @ SV6 )
              | ~ ( member @ SV2 @ SV9 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[81]) ).

thf(90,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ( ~ ( member @ SV2 @ SV6 )
              | ~ ( member @ SV2 @ SV9 ) ) )
        = $false )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[82]) ).

thf(91,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ( subset @ SV3 @ SV7 )
          | ~ ( subset @ SV7 @ SV3 ) )
        = $false )
      | ( ( equal_set @ SV3 @ SV7 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[83]) ).

thf(92,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ( subset @ SV3 @ SV7 )
          | ~ ( subset @ SV7 @ SV3 ) )
        = $true )
      | ( ( equal_set @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[84]) ).

thf(93,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false )
      | ( ( ~ ( ~ ( member @ SV4 @ SV10 )
              | ~ ~ ( member @ SV4 @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[85]) ).

thf(94,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( member @ SV4 @ SV10 )
              | ~ ~ ( member @ SV4 @ SV8 ) ) )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[86]) ).

thf(95,plain,
    ! [SV5: $i,SV1: $i,SV11: $i] :
      ( ( ( ~ ( member @ SV11 @ SV1 ) )
        = $true )
      | ( ( member @ SV11 @ SV5 )
        = $true )
      | ( ( subset @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[87]) ).

thf(96,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( ~ ( member @ ( sK4_SY26 @ SV5 @ SV1 ) @ SV1 ) )
        = $false )
      | ( ( subset @ SV1 @ SV5 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[88]) ).

thf(97,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( member @ ( sK4_SY26 @ SV5 @ SV1 ) @ SV5 )
        = $false )
      | ( ( subset @ SV1 @ SV5 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[88]) ).

thf(98,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ SV6 )
          | ~ ( member @ SV2 @ SV9 ) )
        = $false )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[89]) ).

thf(99,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ SV6 )
          | ~ ( member @ SV2 @ SV9 ) )
        = $true )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[90]) ).

thf(100,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ( subset @ SV3 @ SV7 ) )
        = $false )
      | ( ( equal_set @ SV3 @ SV7 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[91]) ).

thf(101,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( ~ ( subset @ SV7 @ SV3 ) )
        = $false )
      | ( ( equal_set @ SV3 @ SV7 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[91]) ).

thf(102,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( ~ ( subset @ SV3 @ SV7 ) )
        = $true )
      | ( ( ~ ( subset @ SV7 @ SV3 ) )
        = $true )
      | ( ( equal_set @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[92]) ).

thf(103,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV10 )
          | ~ ~ ( member @ SV4 @ SV8 ) )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[93]) ).

thf(104,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV10 )
          | ~ ~ ( member @ SV4 @ SV8 ) )
        = $true )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[94]) ).

thf(105,plain,
    ! [SV5: $i,SV1: $i,SV11: $i] :
      ( ( ( member @ SV11 @ SV1 )
        = $false )
      | ( ( member @ SV11 @ SV5 )
        = $true )
      | ( ( subset @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[95]) ).

thf(106,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( member @ ( sK4_SY26 @ SV5 @ SV1 ) @ SV1 )
        = $true )
      | ( ( subset @ SV1 @ SV5 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[96]) ).

thf(107,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ SV6 ) )
        = $false )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[98]) ).

thf(108,plain,
    ! [SV6: $i,SV9: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ SV9 ) )
        = $false )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[98]) ).

thf(109,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( ~ ( member @ SV2 @ SV6 ) )
        = $true )
      | ( ( ~ ( member @ SV2 @ SV9 ) )
        = $true )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[99]) ).

thf(110,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( subset @ SV3 @ SV7 )
        = $true )
      | ( ( equal_set @ SV3 @ SV7 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[100]) ).

thf(111,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( subset @ SV7 @ SV3 )
        = $true )
      | ( ( equal_set @ SV3 @ SV7 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[101]) ).

thf(112,plain,
    ! [SV7: $i,SV3: $i] :
      ( ( ( subset @ SV3 @ SV7 )
        = $false )
      | ( ( ~ ( subset @ SV7 @ SV3 ) )
        = $true )
      | ( ( equal_set @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[102]) ).

thf(113,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV10 ) )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[103]) ).

thf(114,plain,
    ! [SV10: $i,SV8: $i,SV4: $i] :
      ( ( ( ~ ~ ( member @ SV4 @ SV8 ) )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[103]) ).

thf(115,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV10 ) )
        = $true )
      | ( ( ~ ~ ( member @ SV4 @ SV8 ) )
        = $true )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[104]) ).

thf(116,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( member @ SV2 @ SV6 )
        = $true )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[107]) ).

thf(117,plain,
    ! [SV6: $i,SV9: $i,SV2: $i] :
      ( ( ( member @ SV2 @ SV9 )
        = $true )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[108]) ).

thf(118,plain,
    ! [SV9: $i,SV6: $i,SV2: $i] :
      ( ( ( member @ SV2 @ SV6 )
        = $false )
      | ( ( ~ ( member @ SV2 @ SV9 ) )
        = $true )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[109]) ).

thf(119,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( subset @ SV7 @ SV3 )
        = $false )
      | ( ( subset @ SV3 @ SV7 )
        = $false )
      | ( ( equal_set @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[112]) ).

thf(120,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( member @ SV4 @ SV10 )
        = $true )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[113]) ).

thf(121,plain,
    ! [SV10: $i,SV8: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV8 ) )
        = $true )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[114]) ).

thf(122,plain,
    ! [SV8: $i,SV10: $i,SV4: $i] :
      ( ( ( member @ SV4 @ SV10 )
        = $false )
      | ( ( ~ ~ ( member @ SV4 @ SV8 ) )
        = $true )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[115]) ).

thf(123,plain,
    ! [SV6: $i,SV9: $i,SV2: $i] :
      ( ( ( member @ SV2 @ SV9 )
        = $false )
      | ( ( member @ SV2 @ SV6 )
        = $false )
      | ( ( member @ SV2 @ ( intersection @ SV6 @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[118]) ).

thf(124,plain,
    ! [SV10: $i,SV8: $i,SV4: $i] :
      ( ( ( member @ SV4 @ SV8 )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[121]) ).

thf(125,plain,
    ! [SV10: $i,SV8: $i,SV4: $i] :
      ( ( ( ~ ( member @ SV4 @ SV8 ) )
        = $false )
      | ( ( member @ SV4 @ SV10 )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[122]) ).

thf(126,plain,
    ! [SV10: $i,SV8: $i,SV4: $i] :
      ( ( ( member @ SV4 @ SV8 )
        = $true )
      | ( ( member @ SV4 @ SV10 )
        = $false )
      | ( ( member @ SV4 @ ( difference @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[125]) ).

thf(127,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[33,126,124,123,120,119,117,116,111,110,106,105,97,53,48,34]) ).

thf(128,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [X: $i] :
              ( ( member @ X @ A )
             => ( member @ X @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[18]) ).

thf(129,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( equal_set @ A @ B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[17]) ).

thf(130,plain,
    ( ( ! [X: $i,A: $i,B: $i] :
          ( ( member @ X @ ( intersection @ A @ B ) )
        <=> ( ( member @ X @ A )
            & ( member @ X @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[16]) ).

thf(131,plain,
    ( ( ! [B: $i,A: $i,E: $i] :
          ( ( member @ B @ ( difference @ E @ A ) )
        <=> ( ( member @ B @ E )
            & ~ ( member @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(132,plain,
    ( ( subset @ sK2_SY14 @ sK3_SY16 )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(133,plain,
    ( ( subset @ sK1_A @ sK3_SY16 )
    = $true ),
    inference(copy,[status(thm)],[22]) ).

thf(134,plain,
    ( ( ~ ( ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
         => ( subset @ sK1_A @ sK2_SY14 ) ) )
    = $true ),
    inference(copy,[status(thm)],[28]) ).

thf(135,plain,
    ( ( ~ ( ~ ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
          | ( subset @ sK1_A @ sK2_SY14 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[134]) ).

thf(136,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( member @ SX2 @ SX0 )
                      | ( member @ SX2 @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[128]) ).

thf(137,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ~ ( member @ SX0 @ ( intersection @ SX1 @ SX2 ) )
                | ~ ( ~ ( member @ SX0 @ SX1 )
                    | ~ ( member @ SX0 @ SX2 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SX0 @ SX1 )
                      | ~ ( member @ SX0 @ SX2 ) )
                | ( member @ SX0 @ ( intersection @ SX1 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[130]) ).

thf(138,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( equal_set @ SX0 @ SX1 )
                | ~ ( ~ ( subset @ SX0 @ SX1 )
                    | ~ ( subset @ SX1 @ SX0 ) ) )
            | ~ ( ~ ~ ( ~ ( subset @ SX0 @ SX1 )
                      | ~ ( subset @ SX1 @ SX0 ) )
                | ( equal_set @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[129]) ).

thf(139,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ~ ( member @ SX0 @ ( difference @ SX2 @ SX1 ) )
                | ~ ( ~ ( member @ SX0 @ SX2 )
                    | ~ ~ ( member @ SX0 @ SX1 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SX0 @ SX2 )
                      | ~ ~ ( member @ SX0 @ SX1 ) )
                | ( member @ SX0 @ ( difference @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[131]) ).

thf(140,plain,
    ( ( ~ ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
      | ( subset @ sK1_A @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[135]) ).

thf(141,plain,
    ! [SV12: $i] :
      ( ( ! [SY29: $i] :
            ~ ( ~ ( ~ ( subset @ SV12 @ SY29 )
                  | ! [SY30: $i] :
                      ( ~ ( member @ SY30 @ SV12 )
                      | ( member @ SY30 @ SY29 ) ) )
              | ~ ( ~ ! [SY31: $i] :
                        ( ~ ( member @ SY31 @ SV12 )
                        | ( member @ SY31 @ SY29 ) )
                  | ( subset @ SV12 @ SY29 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[136]) ).

thf(142,plain,
    ! [SV13: $i] :
      ( ( ! [SY32: $i,SY33: $i] :
            ~ ( ~ ( ~ ( member @ SV13 @ ( intersection @ SY32 @ SY33 ) )
                  | ~ ( ~ ( member @ SV13 @ SY32 )
                      | ~ ( member @ SV13 @ SY33 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV13 @ SY32 )
                        | ~ ( member @ SV13 @ SY33 ) )
                  | ( member @ SV13 @ ( intersection @ SY32 @ SY33 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[137]) ).

thf(143,plain,
    ! [SV14: $i] :
      ( ( ! [SY34: $i] :
            ~ ( ~ ( ~ ( equal_set @ SV14 @ SY34 )
                  | ~ ( ~ ( subset @ SV14 @ SY34 )
                      | ~ ( subset @ SY34 @ SV14 ) ) )
              | ~ ( ~ ~ ( ~ ( subset @ SV14 @ SY34 )
                        | ~ ( subset @ SY34 @ SV14 ) )
                  | ( equal_set @ SV14 @ SY34 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[138]) ).

thf(144,plain,
    ! [SV15: $i] :
      ( ( ! [SY35: $i,SY36: $i] :
            ~ ( ~ ( ~ ( member @ SV15 @ ( difference @ SY36 @ SY35 ) )
                  | ~ ( ~ ( member @ SV15 @ SY36 )
                      | ~ ~ ( member @ SV15 @ SY35 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV15 @ SY36 )
                        | ~ ~ ( member @ SV15 @ SY35 ) )
                  | ( member @ SV15 @ ( difference @ SY36 @ SY35 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[139]) ).

thf(145,plain,
    ( ( ~ ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[140]) ).

thf(146,plain,
    ( ( subset @ sK1_A @ sK2_SY14 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[140]) ).

thf(147,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV12 @ SV16 )
                | ! [SY37: $i] :
                    ( ~ ( member @ SY37 @ SV12 )
                    | ( member @ SY37 @ SV16 ) ) )
            | ~ ( ~ ! [SY38: $i] :
                      ( ~ ( member @ SY38 @ SV12 )
                      | ( member @ SY38 @ SV16 ) )
                | ( subset @ SV12 @ SV16 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[141]) ).

thf(148,plain,
    ! [SV17: $i,SV13: $i] :
      ( ( ! [SY39: $i] :
            ~ ( ~ ( ~ ( member @ SV13 @ ( intersection @ SV17 @ SY39 ) )
                  | ~ ( ~ ( member @ SV13 @ SV17 )
                      | ~ ( member @ SV13 @ SY39 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV13 @ SV17 )
                        | ~ ( member @ SV13 @ SY39 ) )
                  | ( member @ SV13 @ ( intersection @ SV17 @ SY39 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[142]) ).

thf(149,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ~ ( ~ ( ~ ( equal_set @ SV14 @ SV18 )
                | ~ ( ~ ( subset @ SV14 @ SV18 )
                    | ~ ( subset @ SV18 @ SV14 ) ) )
            | ~ ( ~ ~ ( ~ ( subset @ SV14 @ SV18 )
                      | ~ ( subset @ SV18 @ SV14 ) )
                | ( equal_set @ SV14 @ SV18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[143]) ).

thf(150,plain,
    ! [SV19: $i,SV15: $i] :
      ( ( ! [SY40: $i] :
            ~ ( ~ ( ~ ( member @ SV15 @ ( difference @ SY40 @ SV19 ) )
                  | ~ ( ~ ( member @ SV15 @ SY40 )
                      | ~ ~ ( member @ SV15 @ SV19 ) ) )
              | ~ ( ~ ~ ( ~ ( member @ SV15 @ SY40 )
                        | ~ ~ ( member @ SV15 @ SV19 ) )
                  | ( member @ SV15 @ ( difference @ SY40 @ SV19 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[144]) ).

thf(151,plain,
    ( ( subset @ ( intersection @ sK1_A @ ( difference @ sK3_SY16 @ sK2_SY14 ) ) @ ( difference @ sK3_SY16 @ sK1_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[145]) ).

thf(152,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ~ ( ~ ( subset @ SV12 @ SV16 )
            | ! [SY37: $i] :
                ( ~ ( member @ SY37 @ SV12 )
                | ( member @ SY37 @ SV16 ) ) )
        | ~ ( ~ ! [SY38: $i] :
                  ( ~ ( member @ SY38 @ SV12 )
                  | ( member @ SY38 @ SV16 ) )
            | ( subset @ SV12 @ SV16 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[147]) ).

thf(153,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ~ ( ~ ( ~ ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
                | ~ ( ~ ( member @ SV13 @ SV17 )
                    | ~ ( member @ SV13 @ SV20 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SV13 @ SV17 )
                      | ~ ( member @ SV13 @ SV20 ) )
                | ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[148]) ).

thf(154,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ~ ( ~ ( equal_set @ SV14 @ SV18 )
            | ~ ( ~ ( subset @ SV14 @ SV18 )
                | ~ ( subset @ SV18 @ SV14 ) ) )
        | ~ ( ~ ~ ( ~ ( subset @ SV14 @ SV18 )
                  | ~ ( subset @ SV18 @ SV14 ) )
            | ( equal_set @ SV14 @ SV18 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[149]) ).

thf(155,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ~ ( ~ ( ~ ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
                | ~ ( ~ ( member @ SV15 @ SV21 )
                    | ~ ~ ( member @ SV15 @ SV19 ) ) )
            | ~ ( ~ ~ ( ~ ( member @ SV15 @ SV21 )
                      | ~ ~ ( member @ SV15 @ SV19 ) )
                | ( member @ SV15 @ ( difference @ SV21 @ SV19 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[150]) ).

thf(156,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ~ ( ~ ( subset @ SV12 @ SV16 )
            | ! [SY37: $i] :
                ( ~ ( member @ SY37 @ SV12 )
                | ( member @ SY37 @ SV16 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[152]) ).

thf(157,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ~ ( ~ ! [SY38: $i] :
                  ( ~ ( member @ SY38 @ SV12 )
                  | ( member @ SY38 @ SV16 ) )
            | ( subset @ SV12 @ SV16 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[152]) ).

thf(158,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ~ ( ~ ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
            | ~ ( ~ ( member @ SV13 @ SV17 )
                | ~ ( member @ SV13 @ SV20 ) ) )
        | ~ ( ~ ~ ( ~ ( member @ SV13 @ SV17 )
                  | ~ ( member @ SV13 @ SV20 ) )
            | ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[153]) ).

thf(159,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ~ ( ~ ( equal_set @ SV14 @ SV18 )
            | ~ ( ~ ( subset @ SV14 @ SV18 )
                | ~ ( subset @ SV18 @ SV14 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[154]) ).

thf(160,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ~ ( ~ ~ ( ~ ( subset @ SV14 @ SV18 )
                  | ~ ( subset @ SV18 @ SV14 ) )
            | ( equal_set @ SV14 @ SV18 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[154]) ).

thf(161,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ~ ( ~ ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
            | ~ ( ~ ( member @ SV15 @ SV21 )
                | ~ ~ ( member @ SV15 @ SV19 ) ) )
        | ~ ( ~ ~ ( ~ ( member @ SV15 @ SV21 )
                  | ~ ~ ( member @ SV15 @ SV19 ) )
            | ( member @ SV15 @ ( difference @ SV21 @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(162,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ~ ( subset @ SV12 @ SV16 )
        | ! [SY37: $i] :
            ( ~ ( member @ SY37 @ SV12 )
            | ( member @ SY37 @ SV16 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[156]) ).

thf(163,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ~ ! [SY38: $i] :
              ( ~ ( member @ SY38 @ SV12 )
              | ( member @ SY38 @ SV16 ) )
        | ( subset @ SV12 @ SV16 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[157]) ).

thf(164,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ~ ( ~ ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
            | ~ ( ~ ( member @ SV13 @ SV17 )
                | ~ ( member @ SV13 @ SV20 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[158]) ).

thf(165,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ~ ( ~ ~ ( ~ ( member @ SV13 @ SV17 )
                  | ~ ( member @ SV13 @ SV20 ) )
            | ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[158]) ).

thf(166,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ~ ( equal_set @ SV14 @ SV18 )
        | ~ ( ~ ( subset @ SV14 @ SV18 )
            | ~ ( subset @ SV18 @ SV14 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[159]) ).

thf(167,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ~ ~ ( ~ ( subset @ SV14 @ SV18 )
              | ~ ( subset @ SV18 @ SV14 ) )
        | ( equal_set @ SV14 @ SV18 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[160]) ).

thf(168,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ~ ( ~ ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
            | ~ ( ~ ( member @ SV15 @ SV21 )
                | ~ ~ ( member @ SV15 @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[161]) ).

thf(169,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ~ ( ~ ~ ( ~ ( member @ SV15 @ SV21 )
                  | ~ ~ ( member @ SV15 @ SV19 ) )
            | ( member @ SV15 @ ( difference @ SV21 @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[161]) ).

thf(170,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ( ~ ( subset @ SV12 @ SV16 ) )
        = $true )
      | ( ( ! [SY37: $i] :
              ( ~ ( member @ SY37 @ SV12 )
              | ( member @ SY37 @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[162]) ).

thf(171,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ( ~ ! [SY38: $i] :
                ( ~ ( member @ SY38 @ SV12 )
                | ( member @ SY38 @ SV16 ) ) )
        = $true )
      | ( ( subset @ SV12 @ SV16 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[163]) ).

thf(172,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ~ ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        | ~ ( ~ ( member @ SV13 @ SV17 )
            | ~ ( member @ SV13 @ SV20 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[164]) ).

thf(173,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ~ ~ ( ~ ( member @ SV13 @ SV17 )
              | ~ ( member @ SV13 @ SV20 ) )
        | ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[165]) ).

thf(174,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ( equal_set @ SV14 @ SV18 ) )
        = $true )
      | ( ( ~ ( ~ ( subset @ SV14 @ SV18 )
              | ~ ( subset @ SV18 @ SV14 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[166]) ).

thf(175,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ~ ( ~ ( subset @ SV14 @ SV18 )
                | ~ ( subset @ SV18 @ SV14 ) ) )
        = $true )
      | ( ( equal_set @ SV14 @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[167]) ).

thf(176,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ~ ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        | ~ ( ~ ( member @ SV15 @ SV21 )
            | ~ ~ ( member @ SV15 @ SV19 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[168]) ).

thf(177,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ~ ~ ( ~ ( member @ SV15 @ SV21 )
              | ~ ~ ( member @ SV15 @ SV19 ) )
        | ( member @ SV15 @ ( difference @ SV21 @ SV19 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[169]) ).

thf(178,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ( subset @ SV12 @ SV16 )
        = $false )
      | ( ( ! [SY37: $i] :
              ( ~ ( member @ SY37 @ SV12 )
              | ( member @ SY37 @ SV16 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[170]) ).

thf(179,plain,
    ! [SV16: $i,SV12: $i] :
      ( ( ( ! [SY38: $i] :
              ( ~ ( member @ SY38 @ SV12 )
              | ( member @ SY38 @ SV16 ) ) )
        = $false )
      | ( ( subset @ SV12 @ SV16 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[171]) ).

thf(180,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) ) )
        = $true )
      | ( ( ~ ( ~ ( member @ SV13 @ SV17 )
              | ~ ( member @ SV13 @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[172]) ).

thf(181,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ~ ( ~ ( member @ SV13 @ SV17 )
                | ~ ( member @ SV13 @ SV20 ) ) )
        = $true )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[173]) ).

thf(182,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( equal_set @ SV14 @ SV18 )
        = $false )
      | ( ( ~ ( ~ ( subset @ SV14 @ SV18 )
              | ~ ( subset @ SV18 @ SV14 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[174]) ).

thf(183,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ( ~ ( subset @ SV14 @ SV18 )
              | ~ ( subset @ SV18 @ SV14 ) ) )
        = $false )
      | ( ( equal_set @ SV14 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[175]) ).

thf(184,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ ( difference @ SV21 @ SV19 ) ) )
        = $true )
      | ( ( ~ ( ~ ( member @ SV15 @ SV21 )
              | ~ ~ ( member @ SV15 @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[176]) ).

thf(185,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ~ ( ~ ( member @ SV15 @ SV21 )
                | ~ ~ ( member @ SV15 @ SV19 ) ) )
        = $true )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[177]) ).

thf(186,plain,
    ! [SV16: $i,SV12: $i,SV22: $i] :
      ( ( ( ~ ( member @ SV22 @ SV12 )
          | ( member @ SV22 @ SV16 ) )
        = $true )
      | ( ( subset @ SV12 @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[178]) ).

thf(187,plain,
    ! [SV12: $i,SV16: $i] :
      ( ( ( ~ ( member @ ( sK5_SY38 @ SV16 @ SV12 ) @ SV12 )
          | ( member @ ( sK5_SY38 @ SV16 @ SV12 ) @ SV16 ) )
        = $false )
      | ( ( subset @ SV12 @ SV16 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[179]) ).

thf(188,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $false )
      | ( ( ~ ( ~ ( member @ SV13 @ SV17 )
              | ~ ( member @ SV13 @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[180]) ).

thf(189,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ( ~ ( member @ SV13 @ SV17 )
              | ~ ( member @ SV13 @ SV20 ) ) )
        = $false )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(190,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV18 )
          | ~ ( subset @ SV18 @ SV14 ) )
        = $false )
      | ( ( equal_set @ SV14 @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(191,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV18 )
          | ~ ( subset @ SV18 @ SV14 ) )
        = $true )
      | ( ( equal_set @ SV14 @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[183]) ).

thf(192,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false )
      | ( ( ~ ( ~ ( member @ SV15 @ SV21 )
              | ~ ~ ( member @ SV15 @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[184]) ).

thf(193,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( member @ SV15 @ SV21 )
              | ~ ~ ( member @ SV15 @ SV19 ) ) )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[185]) ).

thf(194,plain,
    ! [SV16: $i,SV12: $i,SV22: $i] :
      ( ( ( ~ ( member @ SV22 @ SV12 ) )
        = $true )
      | ( ( member @ SV22 @ SV16 )
        = $true )
      | ( ( subset @ SV12 @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[186]) ).

thf(195,plain,
    ! [SV12: $i,SV16: $i] :
      ( ( ( ~ ( member @ ( sK5_SY38 @ SV16 @ SV12 ) @ SV12 ) )
        = $false )
      | ( ( subset @ SV12 @ SV16 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[187]) ).

thf(196,plain,
    ! [SV12: $i,SV16: $i] :
      ( ( ( member @ ( sK5_SY38 @ SV16 @ SV12 ) @ SV16 )
        = $false )
      | ( ( subset @ SV12 @ SV16 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[187]) ).

thf(197,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ( member @ SV13 @ SV17 )
          | ~ ( member @ SV13 @ SV20 ) )
        = $false )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[188]) ).

thf(198,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ( member @ SV13 @ SV17 )
          | ~ ( member @ SV13 @ SV20 ) )
        = $true )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[189]) ).

thf(199,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV18 ) )
        = $false )
      | ( ( equal_set @ SV14 @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[190]) ).

thf(200,plain,
    ! [SV14: $i,SV18: $i] :
      ( ( ( ~ ( subset @ SV18 @ SV14 ) )
        = $false )
      | ( ( equal_set @ SV14 @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[190]) ).

thf(201,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV18 ) )
        = $true )
      | ( ( ~ ( subset @ SV18 @ SV14 ) )
        = $true )
      | ( ( equal_set @ SV14 @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[191]) ).

thf(202,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ SV21 )
          | ~ ~ ( member @ SV15 @ SV19 ) )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[192]) ).

thf(203,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ SV21 )
          | ~ ~ ( member @ SV15 @ SV19 ) )
        = $true )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[193]) ).

thf(204,plain,
    ! [SV16: $i,SV12: $i,SV22: $i] :
      ( ( ( member @ SV22 @ SV12 )
        = $false )
      | ( ( member @ SV22 @ SV16 )
        = $true )
      | ( ( subset @ SV12 @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[194]) ).

thf(205,plain,
    ! [SV12: $i,SV16: $i] :
      ( ( ( member @ ( sK5_SY38 @ SV16 @ SV12 ) @ SV12 )
        = $true )
      | ( ( subset @ SV12 @ SV16 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[195]) ).

thf(206,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ( member @ SV13 @ SV17 ) )
        = $false )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[197]) ).

thf(207,plain,
    ! [SV17: $i,SV20: $i,SV13: $i] :
      ( ( ( ~ ( member @ SV13 @ SV20 ) )
        = $false )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[197]) ).

thf(208,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( ~ ( member @ SV13 @ SV17 ) )
        = $true )
      | ( ( ~ ( member @ SV13 @ SV20 ) )
        = $true )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[198]) ).

thf(209,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( subset @ SV14 @ SV18 )
        = $true )
      | ( ( equal_set @ SV14 @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[199]) ).

thf(210,plain,
    ! [SV14: $i,SV18: $i] :
      ( ( ( subset @ SV18 @ SV14 )
        = $true )
      | ( ( equal_set @ SV14 @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[200]) ).

thf(211,plain,
    ! [SV18: $i,SV14: $i] :
      ( ( ( subset @ SV14 @ SV18 )
        = $false )
      | ( ( ~ ( subset @ SV18 @ SV14 ) )
        = $true )
      | ( ( equal_set @ SV14 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[201]) ).

thf(212,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ SV21 ) )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[202]) ).

thf(213,plain,
    ! [SV21: $i,SV19: $i,SV15: $i] :
      ( ( ( ~ ~ ( member @ SV15 @ SV19 ) )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[202]) ).

thf(214,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ SV21 ) )
        = $true )
      | ( ( ~ ~ ( member @ SV15 @ SV19 ) )
        = $true )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[203]) ).

thf(215,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( member @ SV13 @ SV17 )
        = $true )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[206]) ).

thf(216,plain,
    ! [SV17: $i,SV20: $i,SV13: $i] :
      ( ( ( member @ SV13 @ SV20 )
        = $true )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[207]) ).

thf(217,plain,
    ! [SV20: $i,SV17: $i,SV13: $i] :
      ( ( ( member @ SV13 @ SV17 )
        = $false )
      | ( ( ~ ( member @ SV13 @ SV20 ) )
        = $true )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[208]) ).

thf(218,plain,
    ! [SV14: $i,SV18: $i] :
      ( ( ( subset @ SV18 @ SV14 )
        = $false )
      | ( ( subset @ SV14 @ SV18 )
        = $false )
      | ( ( equal_set @ SV14 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[211]) ).

thf(219,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( member @ SV15 @ SV21 )
        = $true )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[212]) ).

thf(220,plain,
    ! [SV21: $i,SV19: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ SV19 ) )
        = $true )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[213]) ).

thf(221,plain,
    ! [SV19: $i,SV21: $i,SV15: $i] :
      ( ( ( member @ SV15 @ SV21 )
        = $false )
      | ( ( ~ ~ ( member @ SV15 @ SV19 ) )
        = $true )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[214]) ).

thf(222,plain,
    ! [SV17: $i,SV20: $i,SV13: $i] :
      ( ( ( member @ SV13 @ SV20 )
        = $false )
      | ( ( member @ SV13 @ SV17 )
        = $false )
      | ( ( member @ SV13 @ ( intersection @ SV17 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(223,plain,
    ! [SV21: $i,SV19: $i,SV15: $i] :
      ( ( ( member @ SV15 @ SV19 )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[220]) ).

thf(224,plain,
    ! [SV21: $i,SV19: $i,SV15: $i] :
      ( ( ( ~ ( member @ SV15 @ SV19 ) )
        = $false )
      | ( ( member @ SV15 @ SV21 )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(225,plain,
    ! [SV21: $i,SV19: $i,SV15: $i] :
      ( ( ( member @ SV15 @ SV19 )
        = $true )
      | ( ( member @ SV15 @ SV21 )
        = $false )
      | ( ( member @ SV15 @ ( difference @ SV21 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[224]) ).

thf(226,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[132,225,223,222,219,218,216,215,210,209,205,204,196,151,146,133]) ).

thf(227,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[226,127]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SET699+4 : TPTP v9.3.1. Released v2.2.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.16  % Computer : n003.cluster.edu
% 0.11/0.16  % Model    : x86_64 x86_64
% 0.11/0.16  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.16  % Memory   : 8046.5625MB
% 0.11/0.16  % OS       : Linux 6.8.0-71-generic
% 0.11/0.16  % CPULimit : 300
% 0.11/0.16  % WCLimit  : 300
% 0.11/0.16  % DateTime : Tue Oct  6 14:50:54 UTC 2026
% 0.11/0.16  % CPUTime  : 
% 0.11/0.16  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.90/0.45  
% 0.90/0.45   No.of.Axioms: 4
% 0.90/0.45  
% 0.90/0.45   Length.of.Defs: 0
% 0.90/0.45  
% 0.90/0.45   Contains.Choice.Funs: false
% 0.90/0.45  ......
% 0.90/0.45  
% 0.90/0.45  ********************************
% 0.90/0.45  *   All subproblems solved!    *
% 0.90/0.45  ********************************
% 0.90/0.45  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:6,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:226,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.90/0.45  
% 0.90/0.45  %**** Beginning of derivation protocol ****
% 0.90/0.45  % SZS output start CNFRefutation
% See solution above
% 0.90/0.45  
% 0.90/0.45  %**** End of derivation protocol ****
% 0.90/0.45  %**** no. of clauses in derivation: 220 ****
% 0.90/0.45  %**** clause counter: 226 ****
% 0.90/0.45  
% 0.90/0.45  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:6,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:226,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------