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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU321+2 : TPTP v9.3.1. Released v3.3.0.
% 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 : n017.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 10:43:57 AM UTC 2026

% Result   : Theorem 19.81s 3.52s
% Output   : CNFRefutation 19.81s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   42
%            Number of leaves      :   93
% Syntax   : Number of formulae    : 1851 ( 530 unt;   0 typ;   0 def)
%            Number of atoms       : 16673 (6598 equ;   0 cnn)
%            Maximal formula atoms :    9 (   9 avg)
%            Number of connectives : 35783 (10356   ~;6030   |; 148   &;18981   @)
%                                         (  91 <=>; 177  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  172 ( 169 usr;   9 con; 0-6 aty)
%            Number of variables   : 5149 (   0   ^;5110   !;  39   ?;5149   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_antisymmetric,type,
    antisymmetric: $i > $o ).

thf(tp_apply,type,
    apply: $i > $i > $i ).

thf(tp_apply_binary,type,
    apply_binary: $i > $i > $i > $i ).

thf(tp_apply_binary_as_element,type,
    apply_binary_as_element: $i > $i > $i > $i > $i > $i > $i ).

thf(tp_are_equipotent,type,
    are_equipotent: $i > $i > $o ).

thf(tp_being_limit_ordinal,type,
    being_limit_ordinal: $i > $o ).

thf(tp_below,type,
    below: $i > $i > $i > $o ).

thf(tp_cartesian_product2,type,
    cartesian_product2: $i > $i > $i ).

thf(tp_cast_as_carrier_subset,type,
    cast_as_carrier_subset: $i > $i ).

thf(tp_cast_to_subset,type,
    cast_to_subset: $i > $i ).

thf(tp_closed_subset,type,
    closed_subset: $i > $i > $o ).

thf(tp_complements_of_subsets,type,
    complements_of_subsets: $i > $i > $i ).

thf(tp_connected,type,
    connected: $i > $o ).

thf(tp_cup_closed,type,
    cup_closed: $i > $o ).

thf(tp_diff_closed,type,
    diff_closed: $i > $o ).

thf(tp_disjoint,type,
    disjoint: $i > $i > $o ).

thf(tp_element,type,
    element: $i > $i > $o ).

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

thf(tp_empty_carrier,type,
    empty_carrier: $i > $o ).

thf(tp_empty_carrier_subset,type,
    empty_carrier_subset: $i > $i ).

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

thf(tp_epsilon_connected,type,
    epsilon_connected: $i > $o ).

thf(tp_epsilon_transitive,type,
    epsilon_transitive: $i > $o ).

thf(tp_equipotent,type,
    equipotent: $i > $i > $o ).

thf(tp_fiber,type,
    fiber: $i > $i > $i ).

thf(tp_finite,type,
    finite: $i > $o ).

thf(tp_function,type,
    function: $i > $o ).

thf(tp_function_inverse,type,
    function_inverse: $i > $i ).

thf(tp_identity_relation,type,
    identity_relation: $i > $i ).

thf(tp_in,type,
    in: $i > $i > $o ).

thf(tp_inclusion_relation,type,
    inclusion_relation: $i > $i ).

thf(tp_is_antisymmetric_in,type,
    is_antisymmetric_in: $i > $i > $o ).

thf(tp_is_connected_in,type,
    is_connected_in: $i > $i > $o ).

thf(tp_is_reflexive_in,type,
    is_reflexive_in: $i > $i > $o ).

thf(tp_is_transitive_in,type,
    is_transitive_in: $i > $i > $o ).

thf(tp_is_well_founded_in,type,
    is_well_founded_in: $i > $i > $o ).

thf(tp_join,type,
    join: $i > $i > $i > $i ).

thf(tp_join_commut,type,
    join_commut: $i > $i > $i > $i ).

thf(tp_join_commutative,type,
    join_commutative: $i > $o ).

thf(tp_join_semilatt_str,type,
    join_semilatt_str: $i > $o ).

thf(tp_latt_str,type,
    latt_str: $i > $o ).

thf(tp_meet,type,
    meet: $i > $i > $i > $i ).

thf(tp_meet_absorbing,type,
    meet_absorbing: $i > $o ).

thf(tp_meet_commut,type,
    meet_commut: $i > $i > $i > $i ).

thf(tp_meet_commutative,type,
    meet_commutative: $i > $o ).

thf(tp_meet_of_subsets,type,
    meet_of_subsets: $i > $i > $i ).

thf(tp_meet_semilatt_str,type,
    meet_semilatt_str: $i > $o ).

thf(tp_natural,type,
    natural: $i > $o ).

thf(tp_omega,type,
    omega: $i ).

thf(tp_one_sorted_str,type,
    one_sorted_str: $i > $o ).

thf(tp_one_to_one,type,
    one_to_one: $i > $o ).

thf(tp_open_subset,type,
    open_subset: $i > $i > $o ).

thf(tp_ordered_pair,type,
    ordered_pair: $i > $i > $i ).

thf(tp_ordinal,type,
    ordinal: $i > $o ).

thf(tp_ordinal_subset,type,
    ordinal_subset: $i > $i > $o ).

thf(tp_pair_first,type,
    pair_first: $i > $i ).

thf(tp_pair_second,type,
    pair_second: $i > $i ).

thf(tp_powerset,type,
    powerset: $i > $i ).

thf(tp_preboolean,type,
    preboolean: $i > $o ).

thf(tp_proper_subset,type,
    proper_subset: $i > $i > $o ).

thf(tp_quasi_total,type,
    quasi_total: $i > $i > $i > $o ).

thf(tp_reflexive,type,
    reflexive: $i > $o ).

thf(tp_relation,type,
    relation: $i > $o ).

thf(tp_relation_composition,type,
    relation_composition: $i > $i > $i ).

thf(tp_relation_dom,type,
    relation_dom: $i > $i ).

thf(tp_relation_dom_as_subset,type,
    relation_dom_as_subset: $i > $i > $i > $i ).

thf(tp_relation_dom_restriction,type,
    relation_dom_restriction: $i > $i > $i ).

thf(tp_relation_empty_yielding,type,
    relation_empty_yielding: $i > $o ).

thf(tp_relation_field,type,
    relation_field: $i > $i ).

thf(tp_relation_image,type,
    relation_image: $i > $i > $i ).

thf(tp_relation_inverse,type,
    relation_inverse: $i > $i ).

thf(tp_relation_inverse_image,type,
    relation_inverse_image: $i > $i > $i ).

thf(tp_relation_isomorphism,type,
    relation_isomorphism: $i > $i > $i > $o ).

thf(tp_relation_of2,type,
    relation_of2: $i > $i > $i > $o ).

thf(tp_relation_of2_as_subset,type,
    relation_of2_as_subset: $i > $i > $i > $o ).

thf(tp_relation_restriction,type,
    relation_restriction: $i > $i > $i ).

thf(tp_relation_rng,type,
    relation_rng: $i > $i ).

thf(tp_relation_rng_as_subset,type,
    relation_rng_as_subset: $i > $i > $i > $i ).

thf(tp_relation_rng_restriction,type,
    relation_rng_restriction: $i > $i > $i ).

thf(tp_sK10_SY311,type,
    sK10_SY311: $i ).

thf(tp_sK11_SY281,type,
    sK11_SY281: $i > $i > $i ).

thf(tp_sK12_SY338,type,
    sK12_SY338: $i > $i ).

thf(tp_sK13_SY302,type,
    sK13_SY302: $i > $i > $i ).

thf(tp_sK14_SY342,type,
    sK14_SY342: $i > $i ).

thf(tp_sK15_SY345,type,
    sK15_SY345: $i > $i ).

thf(tp_sK16_SY239,type,
    sK16_SY239: $i > $i ).

thf(tp_sK17_SY348,type,
    sK17_SY348: $i > $i ).

thf(tp_sK18_SY181,type,
    sK18_SY181: $i > $i ).

thf(tp_sK19_SY230,type,
    sK19_SY230: $i > $i ).

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

thf(tp_sK20_SY279,type,
    sK20_SY279: $i > $i > $i ).

thf(tp_sK21_SY283,type,
    sK21_SY283: $i > $i > $i ).

thf(tp_sK22_SY350,type,
    sK22_SY350: $i > $i ).

thf(tp_sK23_SY295,type,
    sK23_SY295: $i > $i > $i ).

thf(tp_sK24_SY316,type,
    sK24_SY316: $i > $i > $i ).

thf(tp_sK25_SY325,type,
    sK25_SY325: $i > $i > $i ).

thf(tp_sK26_SY193,type,
    sK26_SY193: $i > $i ).

thf(tp_sK27_SY245,type,
    sK27_SY245: $i > $i ).

thf(tp_sK28_SY331,type,
    sK28_SY331: $i > $i > $i > $i ).

thf(tp_sK29_SY333,type,
    sK29_SY333: $i > $i > $i > $i ).

thf(tp_sK2_SX0,type,
    sK2_SX0: $i ).

thf(tp_sK30_SY335,type,
    sK30_SY335: $i > $i > $i > $i ).

thf(tp_sK31_SY337,type,
    sK31_SY337: $i > $i > $i > $i ).

thf(tp_sK32_SY183,type,
    sK32_SY183: $i > $i ).

thf(tp_sK33_SY341,type,
    sK33_SY341: $i > $i > $i > $i > $i ).

thf(tp_sK34_SY289,type,
    sK34_SY289: $i > $i > $i ).

thf(tp_sK35_SY193,type,
    sK35_SY193: $i > $i ).

thf(tp_sK36_SY347,type,
    sK36_SY347: $i > $i > $i > $i ).

thf(tp_sK37_SY245,type,
    sK37_SY245: $i > $i ).

thf(tp_sK38_SY352,type,
    sK38_SY352: $i > $i > $i > $i ).

thf(tp_sK39_SY193,type,
    sK39_SY193: $i > $i ).

thf(tp_sK3_SX0,type,
    sK3_SX0: $i ).

thf(tp_sK40_SY245,type,
    sK40_SY245: $i > $i ).

thf(tp_sK41_SY362,type,
    sK41_SY362: $i > $i > $i ).

thf(tp_sK42_SY355,type,
    sK42_SY355: $i > $i > $i ).

thf(tp_sK43_SY364,type,
    sK43_SY364: $i > $i > $i ).

thf(tp_sK44_SY193,type,
    sK44_SY193: $i > $i ).

thf(tp_sK45_SY193,type,
    sK45_SY193: $i > $i ).

thf(tp_sK46_SY245,type,
    sK46_SY245: $i > $i ).

thf(tp_sK47_SY245,type,
    sK47_SY245: $i > $i ).

thf(tp_sK48_SY372,type,
    sK48_SY372: $i > $i > $i ).

thf(tp_sK49_SY374,type,
    sK49_SY374: $i > $i > $i ).

thf(tp_sK4_SX0,type,
    sK4_SX0: $i ).

thf(tp_sK50_SY355,type,
    sK50_SY355: $i > $i > $i > $i ).

thf(tp_sK51_SY382,type,
    sK51_SY382: $i > $i > $i ).

thf(tp_sK52_SY384,type,
    sK52_SY384: $i > $i > $i ).

thf(tp_sK53_SY398,type,
    sK53_SY398: $i > $i > $i ).

thf(tp_sK54_SY400,type,
    sK54_SY400: $i > $i > $i ).

thf(tp_sK55_SY402,type,
    sK55_SY402: $i > $i > $i ).

thf(tp_sK56_SY404,type,
    sK56_SY404: $i > $i > $i ).

thf(tp_sK5_SY211,type,
    sK5_SY211: $i > $i ).

thf(tp_sK6_SY237,type,
    sK6_SY237: $i > $i ).

thf(tp_sK7_SY240,type,
    sK7_SY240: $i > $i ).

thf(tp_sK8_SY190,type,
    sK8_SY190: $i > $i ).

thf(tp_sK9_SX1,type,
    sK9_SX1: $i > $i ).

thf(tp_set_difference,type,
    set_difference: $i > $i > $i ).

thf(tp_set_intersection2,type,
    set_intersection2: $i > $i > $i ).

thf(tp_set_meet,type,
    set_meet: $i > $i ).

thf(tp_set_union2,type,
    set_union2: $i > $i > $i ).

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

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

thf(tp_subset_complement,type,
    subset_complement: $i > $i > $i ).

thf(tp_subset_difference,type,
    subset_difference: $i > $i > $i > $i ).

thf(tp_subset_intersection2,type,
    subset_intersection2: $i > $i > $i > $i ).

thf(tp_succ,type,
    succ: $i > $i ).

thf(tp_the_L_join,type,
    the_L_join: $i > $i ).

thf(tp_the_L_meet,type,
    the_L_meet: $i > $i ).

thf(tp_the_carrier,type,
    the_carrier: $i > $i ).

thf(tp_the_topology,type,
    the_topology: $i > $i ).

thf(tp_top_str,type,
    top_str: $i > $o ).

thf(tp_topological_space,type,
    topological_space: $i > $o ).

thf(tp_topstr_closure,type,
    topstr_closure: $i > $i > $i ).

thf(tp_transitive,type,
    transitive: $i > $o ).

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

thf(tp_union_of_subsets,type,
    union_of_subsets: $i > $i > $i ).

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

thf(tp_unordered_triple,type,
    unordered_triple: $i > $i > $i > $i ).

thf(tp_v1_int_1,type,
    v1_int_1: $i > $o ).

thf(tp_v1_membered,type,
    v1_membered: $i > $o ).

thf(tp_v1_rat_1,type,
    v1_rat_1: $i > $o ).

thf(tp_v1_xcmplx_0,type,
    v1_xcmplx_0: $i > $o ).

thf(tp_v1_xreal_0,type,
    v1_xreal_0: $i > $o ).

thf(tp_v2_membered,type,
    v2_membered: $i > $o ).

thf(tp_v3_membered,type,
    v3_membered: $i > $o ).

thf(tp_v4_membered,type,
    v4_membered: $i > $o ).

thf(tp_v5_membered,type,
    v5_membered: $i > $o ).

thf(tp_well_founded_relation,type,
    well_founded_relation: $i > $o ).

thf(tp_well_ordering,type,
    well_ordering: $i > $o ).

thf(tp_well_orders,type,
    well_orders: $i > $i > $o ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_tarski) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_boole) ).

thf(6,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t5_subset) ).

thf(7,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t4_subset) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_subset) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
        <=> ( in @ C @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_tarski) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_subset) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_subset) ).

thf(20,axiom,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( B = C )
            & ( ordinal @ C )
            & ( B = D )
            & ( ordinal @ D ) )
         => ( C = D ) )
     => ? [B: $i] :
        ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ D @ A )
              & ( D = C )
              & ( ordinal @ C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_tarski__e6_22__wellord2__1) ).

thf(27,axiom,
    ! [A: $i] :
      ( ! [B: $i,C: $i,D: $i] :
          ( ( ( in @ B @ A )
            & ( C
              = ( singleton @ B ) )
            & ( in @ B @ A )
            & ( D
              = ( singleton @ B ) ) )
         => ( C = D ) )
     => ? [B: $i] :
        ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ D @ A )
              & ( in @ D @ A )
              & ( C
                = ( singleton @ D ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_tarski__e16_22__wellord2__1) ).

thf(46,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( one_sorted_str @ A ) )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc5_struct_0) ).

thf(48,axiom,
    ? [A: $i] :
      ( ( one_sorted_str @ A )
      & ~ ( empty_carrier @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc3_struct_0) ).

thf(54,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(61,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(72,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(74,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(75,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_intersection2 @ A @ B @ B )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',idempotence_k5_subset_1) ).

thf(119,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(120,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( one_sorted_str @ A ) )
     => ~ ( empty @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_struct_0) ).

thf(137,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(141,axiom,
    ? [A: $i] : ( one_sorted_str @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_l1_struct_0) ).

thf(145,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_u1_struct_0) ).

thf(149,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(150,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_relset_1) ).

thf(152,axiom,
    ! [A: $i] :
      ( ( join_semilatt_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l2_lattices) ).

thf(153,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l1_struct_0) ).

thf(154,axiom,
    ! [A: $i] :
      ( ( top_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l1_pre_topc) ).

thf(155,axiom,
    ! [A: $i] :
      ( ( meet_semilatt_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l1_lattices) ).

thf(156,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k9_relat_1) ).

thf(158,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(160,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(161,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(164,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_intersection2 @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_subset_1) ).

thf(165,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(168,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_ordinal2) ).

thf(169,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_xboole_0) ).

thf(170,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_tarski) ).

thf(174,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(175,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_tarski) ).

thf(176,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(177,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_relat_1) ).

thf(179,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_zfmisc_1) ).

thf(180,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_xboole_0) ).

thf(182,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(183,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(184,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_relat_1) ).

thf(185,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_pre_topc) ).

thf(186,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_mcart_1) ).

thf(190,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_zfmisc_1) ).

thf(191,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(193,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_wellord1) ).

thf(194,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(195,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_setfam_1) ).

thf(196,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_relat_1) ).

thf(197,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( element @ ( empty_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_pre_topc) ).

thf(198,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_ordinal1) ).

thf(199,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_mcart_1) ).

thf(201,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_funct_1) ).

thf(202,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_enumset1) ).

thf(203,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_binop_1) ).

thf(204,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k10_relat_1) ).

thf(208,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ ( powerset @ A ) ) )
         => ( ( C
              = ( complements_of_subsets @ A @ B ) )
          <=> ! [D: $i] :
                ( ( element @ D @ ( powerset @ A ) )
               => ( ( in @ D @ C )
                <=> ( in @ ( subset_complement @ A @ D ) @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d8_setfam_1) ).

thf(223,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_subset_1) ).

thf(228,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_difference @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ~ ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_xboole_0) ).

thf(231,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( union @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ C @ D )
              & ( in @ D @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_tarski) ).

thf(237,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_intersection2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_xboole_0) ).

thf(239,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_tarski) ).

thf(241,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( cast_as_carrier_subset @ A )
        = ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_pre_topc) ).

thf(242,axiom,
    ! [A: $i] :
      ( ( epsilon_connected @ A )
    <=> ! [B: $i,C: $i] :
          ~ ( ( in @ B @ A )
            & ( in @ C @ A )
            & ~ ( in @ B @ C )
            & ( B != C )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_ordinal1) ).

thf(245,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            | ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(247,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( unordered_pair @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( D = A )
            | ( D = B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_tarski) ).

thf(248,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( in @ B @ A ) ) )
      & ( ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( empty @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_subset_1) ).

thf(254,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( powerset @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( subset @ C @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_zfmisc_1) ).

thf(255,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(258,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( singleton @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

thf(270,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D
        = ( unordered_triple @ A @ B @ C ) )
    <=> ! [E: $i] :
          ( ( in @ E @ D )
        <=> ~ ( ( E != A )
              & ( E != B )
              & ( E != C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_enumset1) ).

thf(284,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_intersection2 @ A @ B @ C )
        = ( subset_intersection2 @ A @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k5_subset_1) ).

thf(298,axiom,
    ! [A: $i] :
      ( ( finite @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( finite @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc2_finset_1) ).

thf(312,axiom,
    ! [A: $i] :
      ( ( v1_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( v1_membered @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc16_membered) ).

thf(320,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(323,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(360,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t54_subset_1) ).

thf(364,axiom,
    ! [A: $i] :
      ( ( A != empty_set )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ A )
             => ( ~ ( in @ C @ B )
               => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t50_subset_1) ).

thf(388,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( ( in @ C @ A )
                & ( in @ C @ B ) ) )
      & ~ ( ? [C: $i] :
              ( ( in @ C @ A )
              & ( in @ C @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(390,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( in @ B @ C )
        & ( in @ C @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_ordinal1) ).

thf(423,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t24_ordinal1) ).

thf(426,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t23_ordinal1) ).

thf(472,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( cast_as_carrier_subset @ A )
        = ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_pre_topc) ).

thf(481,axiom,
    ! [A: $i] : ( in @ A @ ( succ @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t10_ordinal1) ).

thf(491,axiom,
    ! [A: $i] :
    ? [B: $i] :
    ! [C: $i] :
      ( ( in @ C @ B )
    <=> ( ( in @ C @ A )
        & ( ordinal @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_xboole_0__e6_22__wellord2) ).

thf(505,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l71_subset_1) ).

thf(512,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l3_subset_1) ).

thf(523,conjecture,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( one_sorted_str @ A ) )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ A ) )
             => ( ( in @ C @ ( subset_complement @ ( the_carrier @ A ) @ B ) )
              <=> ~ ( in @ C @ B ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l40_tops_1) ).

thf(524,negated_conjecture,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ! [C: $i] :
                  ( ( element @ C @ ( the_carrier @ A ) )
                 => ( ( in @ C @ ( subset_complement @ ( the_carrier @ A ) @ B ) )
                  <=> ~ ( in @ C @ B ) ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[523]) ).

thf(525,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ! [C: $i] :
                  ( ( element @ C @ ( the_carrier @ A ) )
                 => ( ( in @ C @ ( subset_complement @ ( the_carrier @ A ) @ B ) )
                  <=> ~ ( in @ C @ B ) ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[524]) ).

thf(526,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ! [C: $i] :
                ~ ( ( in @ C @ B )
                  & ! [D: $i] :
                      ~ ( ( in @ D @ B )
                        & ( in @ D @ C ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(527,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(528,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(529,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(530,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(531,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(532,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(533,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(534,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i,D: $i] :
              ( ( ( B = C )
                & ( ordinal @ C )
                & ( B = D )
                & ( ordinal @ D ) )
             => ( C = D ) )
         => ? [B: $i] :
            ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ D @ A )
                  & ( D = C )
                  & ( ordinal @ C ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(535,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i,D: $i] :
              ( ( ( in @ B @ A )
                & ( C
                  = ( singleton @ B ) )
                & ( in @ B @ A )
                & ( D
                  = ( singleton @ B ) ) )
             => ( C = D ) )
         => ? [B: $i] :
            ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ D @ A )
                  & ( in @ D @ A )
                  & ( C
                    = ( singleton @ D ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(536,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(537,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(538,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(539,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[61]) ).

thf(540,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[72]) ).

thf(541,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[74]) ).

thf(542,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_intersection2 @ A @ B @ B )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(543,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[119]) ).

thf(544,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ~ ( empty @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[120]) ).

thf(545,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[137]) ).

thf(546,plain,
    ( ( ? [A: $i] : ( one_sorted_str @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[141]) ).

thf(547,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[145]) ).

thf(548,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[149]) ).

thf(549,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[150]) ).

thf(550,plain,
    ( ( ! [A: $i] :
          ( ( join_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[152]) ).

thf(551,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[153]) ).

thf(552,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[154]) ).

thf(553,plain,
    ( ( ! [A: $i] :
          ( ( meet_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(554,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[156]) ).

thf(555,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(556,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(557,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(558,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( element @ ( subset_intersection2 @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(559,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(560,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[168]) ).

thf(561,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[169]) ).

thf(562,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[170]) ).

thf(563,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[174]) ).

thf(564,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[175]) ).

thf(565,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[176]) ).

thf(566,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[177]) ).

thf(567,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[179]) ).

thf(568,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[180]) ).

thf(569,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[182]) ).

thf(570,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(571,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[184]) ).

thf(572,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(573,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[186]) ).

thf(574,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[190]) ).

thf(575,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[191]) ).

thf(576,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[193]) ).

thf(577,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[194]) ).

thf(578,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[195]) ).

thf(579,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[196]) ).

thf(580,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( empty_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[197]) ).

thf(581,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[198]) ).

thf(582,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[199]) ).

thf(583,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[201]) ).

thf(584,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[202]) ).

thf(585,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[203]) ).

thf(586,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[204]) ).

thf(587,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ! [C: $i] :
              ( ( element @ C @ ( powerset @ ( powerset @ A ) ) )
             => ( ( C
                  = ( complements_of_subsets @ A @ B ) )
              <=> ! [D: $i] :
                    ( ( element @ D @ ( powerset @ A ) )
                   => ( ( in @ D @ C )
                    <=> ( in @ ( subset_complement @ A @ D ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(588,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[223]) ).

thf(589,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_difference @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[228]) ).

thf(590,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( union @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[231]) ).

thf(591,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_intersection2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[237]) ).

thf(592,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[239]) ).

thf(593,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[241]) ).

thf(594,plain,
    ( ( ! [A: $i] :
          ( ( epsilon_connected @ A )
        <=> ! [B: $i,C: $i] :
              ~ ( ( in @ B @ A )
                & ( in @ C @ A )
                & ~ ( in @ B @ C )
                & ( B != C )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[242]) ).

thf(595,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_union2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                | ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[245]) ).

thf(596,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( unordered_pair @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( D = A )
                | ( D = B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[247]) ).

thf(597,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( in @ B @ A ) ) )
          & ( ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( empty @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[248]) ).

thf(598,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[254]) ).

thf(599,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[255]) ).

thf(600,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[258]) ).

thf(601,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( D
            = ( unordered_triple @ A @ B @ C ) )
        <=> ! [E: $i] :
              ( ( in @ E @ D )
            <=> ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[270]) ).

thf(602,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_intersection2 @ A @ B @ C )
            = ( subset_intersection2 @ A @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[284]) ).

thf(603,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( finite @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[298]) ).

thf(604,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[312]) ).

thf(605,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[320]) ).

thf(606,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[323]) ).

thf(607,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
              & ( in @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[360]) ).

thf(608,plain,
    ( ( ! [A: $i] :
          ( ( A != empty_set )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ A )
                 => ( ~ ( in @ C @ B )
                   => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[364]) ).

thf(609,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( ( in @ C @ A )
                    & ( in @ C @ B ) ) )
          & ~ ( ? [C: $i] :
                  ( ( in @ C @ A )
                  & ( in @ C @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[388]) ).

thf(610,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( in @ B @ C )
            & ( in @ C @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[390]) ).

thf(611,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ! [B: $i] :
              ( ( ordinal @ B )
             => ~ ( ~ ( in @ A @ B )
                  & ( A != B )
                  & ~ ( in @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[423]) ).

thf(612,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordinal @ B )
         => ( ( in @ A @ B )
           => ( ordinal @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[426]) ).

thf(613,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[472]) ).

thf(614,plain,
    ( ( ! [A: $i] : ( in @ A @ ( succ @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[481]) ).

thf(615,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
        ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( ( in @ C @ A )
            & ( ordinal @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[491]) ).

thf(616,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[505]) ).

thf(617,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[512]) ).

thf(618,plain,
    ( ( ( ~ ( empty_carrier @ sK1_A )
        & ( one_sorted_str @ sK1_A ) )
     => ! [SY163: $i] :
          ( ( element @ SY163 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
         => ! [SY164: $i] :
              ( ( element @ SY164 @ ( the_carrier @ sK1_A ) )
             => ( ( in @ SY164 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SY163 ) )
              <=> ~ ( in @ SY164 @ SY163 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[525]) ).

thf(619,plain,
    ( ( ~ ( empty_carrier @ sK1_A ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[618]) ).

thf(620,plain,
    ( ( one_sorted_str @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[618]) ).

thf(621,plain,
    ( ( ! [SY163: $i] :
          ( ( element @ SY163 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
         => ! [SY164: $i] :
              ( ( element @ SY164 @ ( the_carrier @ sK1_A ) )
             => ( ( in @ SY164 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SY163 ) )
              <=> ~ ( in @ SY164 @ SY163 ) ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[618]) ).

thf(622,plain,
    ( ( ~ ! [SY163: $i] :
            ( ( element @ SY163 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
           => ! [SY164: $i] :
                ( ( element @ SY164 @ ( the_carrier @ sK1_A ) )
               => ( ( in @ SY164 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SY163 ) )
                <=> ~ ( in @ SY164 @ SY163 ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[621]) ).

thf(623,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[617]) ).

thf(624,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[616]) ).

thf(625,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
        ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( ( in @ C @ A )
            & ( ordinal @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[615]) ).

thf(626,plain,
    ( ( ! [A: $i] : ( in @ A @ ( succ @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[614]) ).

thf(627,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[613]) ).

thf(628,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordinal @ B )
         => ( ( in @ A @ B )
           => ( ordinal @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[612]) ).

thf(629,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ! [B: $i] :
              ( ( ordinal @ B )
             => ~ ( ~ ( in @ A @ B )
                  & ( A != B )
                  & ~ ( in @ B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[611]) ).

thf(630,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( in @ B @ C )
            & ( in @ C @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[610]) ).

thf(631,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( ( in @ C @ A )
                    & ( in @ C @ B ) ) )
          & ~ ( ? [C: $i] :
                  ( ( in @ C @ A )
                  & ( in @ C @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[609]) ).

thf(632,plain,
    ( ( ! [A: $i] :
          ( ( A != empty_set )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ A )
                 => ( ~ ( in @ C @ B )
                   => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[608]) ).

thf(633,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
              & ( in @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[607]) ).

thf(634,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[606]) ).

thf(635,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[605]) ).

thf(636,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[604]) ).

thf(637,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( finite @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[603]) ).

thf(638,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_intersection2 @ A @ B @ C )
            = ( subset_intersection2 @ A @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[602]) ).

thf(639,plain,
    ( ( ! [A: $i,B: $i,C: $i,D: $i] :
          ( ( D
            = ( unordered_triple @ A @ B @ C ) )
        <=> ! [E: $i] :
              ( ( in @ E @ D )
            <=> ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[601]) ).

thf(640,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[600]) ).

thf(641,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[599]) ).

thf(642,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[598]) ).

thf(643,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( in @ B @ A ) ) )
          & ( ( empty @ A )
           => ( ( element @ B @ A )
            <=> ( empty @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[597]) ).

thf(644,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( unordered_pair @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( D = A )
                | ( D = B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[596]) ).

thf(645,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_union2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                | ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[595]) ).

thf(646,plain,
    ( ( ! [A: $i] :
          ( ( epsilon_connected @ A )
        <=> ! [B: $i,C: $i] :
              ~ ( ( in @ B @ A )
                & ( in @ C @ A )
                & ~ ( in @ B @ C )
                & ( B != C )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[594]) ).

thf(647,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[593]) ).

thf(648,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[592]) ).

thf(649,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_intersection2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[591]) ).

thf(650,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( union @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[590]) ).

thf(651,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_difference @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[589]) ).

thf(652,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[588]) ).

thf(653,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ! [C: $i] :
              ( ( element @ C @ ( powerset @ ( powerset @ A ) ) )
             => ( ( C
                  = ( complements_of_subsets @ A @ B ) )
              <=> ! [D: $i] :
                    ( ( element @ D @ ( powerset @ A ) )
                   => ( ( in @ D @ C )
                    <=> ( in @ ( subset_complement @ A @ D ) @ B ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[587]) ).

thf(654,plain,
    $true = $true,
    inference(copy,[status(thm)],[586]) ).

thf(655,plain,
    $true = $true,
    inference(copy,[status(thm)],[585]) ).

thf(656,plain,
    $true = $true,
    inference(copy,[status(thm)],[584]) ).

thf(657,plain,
    $true = $true,
    inference(copy,[status(thm)],[583]) ).

thf(658,plain,
    $true = $true,
    inference(copy,[status(thm)],[582]) ).

thf(659,plain,
    $true = $true,
    inference(copy,[status(thm)],[581]) ).

thf(660,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( empty_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[580]) ).

thf(661,plain,
    $true = $true,
    inference(copy,[status(thm)],[579]) ).

thf(662,plain,
    $true = $true,
    inference(copy,[status(thm)],[578]) ).

thf(663,plain,
    $true = $true,
    inference(copy,[status(thm)],[577]) ).

thf(664,plain,
    $true = $true,
    inference(copy,[status(thm)],[576]) ).

thf(665,plain,
    $true = $true,
    inference(copy,[status(thm)],[575]) ).

thf(666,plain,
    $true = $true,
    inference(copy,[status(thm)],[574]) ).

thf(667,plain,
    $true = $true,
    inference(copy,[status(thm)],[573]) ).

thf(668,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[572]) ).

thf(669,plain,
    $true = $true,
    inference(copy,[status(thm)],[571]) ).

thf(670,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[570]) ).

thf(671,plain,
    $true = $true,
    inference(copy,[status(thm)],[569]) ).

thf(672,plain,
    $true = $true,
    inference(copy,[status(thm)],[568]) ).

thf(673,plain,
    $true = $true,
    inference(copy,[status(thm)],[567]) ).

thf(674,plain,
    $true = $true,
    inference(copy,[status(thm)],[566]) ).

thf(675,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[565]) ).

thf(676,plain,
    $true = $true,
    inference(copy,[status(thm)],[564]) ).

thf(677,plain,
    $true = $true,
    inference(copy,[status(thm)],[563]) ).

thf(678,plain,
    $true = $true,
    inference(copy,[status(thm)],[562]) ).

thf(679,plain,
    $true = $true,
    inference(copy,[status(thm)],[561]) ).

thf(680,plain,
    $true = $true,
    inference(copy,[status(thm)],[560]) ).

thf(681,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[559]) ).

thf(682,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( element @ ( subset_intersection2 @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[558]) ).

thf(683,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[557]) ).

thf(684,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[556]) ).

thf(685,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[555]) ).

thf(686,plain,
    $true = $true,
    inference(copy,[status(thm)],[554]) ).

thf(687,plain,
    ( ( ! [A: $i] :
          ( ( meet_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[553]) ).

thf(688,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[552]) ).

thf(689,plain,
    $true = $true,
    inference(copy,[status(thm)],[551]) ).

thf(690,plain,
    ( ( ! [A: $i] :
          ( ( join_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[550]) ).

thf(691,plain,
    $true = $true,
    inference(copy,[status(thm)],[549]) ).

thf(692,plain,
    $true = $true,
    inference(copy,[status(thm)],[548]) ).

thf(693,plain,
    $true = $true,
    inference(copy,[status(thm)],[547]) ).

thf(694,plain,
    ( ( ? [A: $i] : ( one_sorted_str @ A ) )
    = $true ),
    inference(copy,[status(thm)],[546]) ).

thf(695,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(copy,[status(thm)],[545]) ).

thf(696,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ~ ( empty @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[544]) ).

thf(697,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[543]) ).

thf(698,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_intersection2 @ A @ B @ B )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[542]) ).

thf(699,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[541]) ).

thf(700,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[540]) ).

thf(701,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[539]) ).

thf(702,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[538]) ).

thf(703,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[537]) ).

thf(704,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[536]) ).

thf(705,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i,D: $i] :
              ( ( ( in @ B @ A )
                & ( C
                  = ( singleton @ B ) )
                & ( in @ B @ A )
                & ( D
                  = ( singleton @ B ) ) )
             => ( C = D ) )
         => ? [B: $i] :
            ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ D @ A )
                  & ( in @ D @ A )
                  & ( C
                    = ( singleton @ D ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[535]) ).

thf(706,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i,D: $i] :
              ( ( ( B = C )
                & ( ordinal @ C )
                & ( B = D )
                & ( ordinal @ D ) )
             => ( C = D ) )
         => ? [B: $i] :
            ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ D @ A )
                  & ( D = C )
                  & ( ordinal @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[534]) ).

thf(707,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[533]) ).

thf(708,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[532]) ).

thf(709,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
            <=> ( in @ C @ B ) )
         => ( A = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[531]) ).

thf(710,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[530]) ).

thf(711,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[529]) ).

thf(712,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[528]) ).

thf(713,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[527]) ).

thf(714,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ! [C: $i] :
                ~ ( ( in @ C @ B )
                  & ! [D: $i] :
                      ~ ( ( in @ D @ B )
                        & ( in @ D @ C ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[526]) ).

thf(715,plain,
    ( ( one_sorted_str @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[620]) ).

thf(716,plain,
    ( ( ~ ( empty_carrier @ sK1_A ) )
    = $true ),
    inference(copy,[status(thm)],[619]) ).

thf(717,plain,
    ( ( ~ ! [SY163: $i] :
            ( ( element @ SY163 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
           => ! [SY164: $i] :
                ( ( element @ SY164 @ ( the_carrier @ sK1_A ) )
               => ( ( in @ SY164 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SY163 ) )
                <=> ~ ( in @ SY164 @ SY163 ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[622]) ).

thf(718,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ~ ( ~ ( in @ SX0 @ SX1 )
              | ~ ! [SX2: $i] :
                    ~ ~ ( ~ ( in @ SX2 @ SX1 )
                        | ~ ! [SX3: $i] :
                              ~ ~ ( ~ ( in @ SX3 @ SX1 )
                                  | ~ ( in @ SX3 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[714]) ).

thf(719,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ~ ( empty @ SX0 )
                | ~ ( ~ ( ~ ( element @ SX1 @ SX0 )
                        | ( in @ SX1 @ SX0 ) )
                    | ~ ( ~ ( in @ SX1 @ SX0 )
                        | ( element @ SX1 @ SX0 ) ) ) )
            | ~ ( ~ ( empty @ SX0 )
                | ~ ( ~ ( ~ ( element @ SX1 @ SX0 )
                        | ( empty @ SX1 ) )
                    | ~ ( ~ ( empty @ SX1 )
                        | ( element @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[643]) ).

thf(720,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( ( subset_complement @ SX0 @ SX1 )
            = ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[652]) ).

thf(721,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ! [SX2: $i] :
                ~ ( ~ ( ~ ( in @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) )
                  | ~ ( ~ ( in @ SX2 @ SX1 )
                      | ( in @ SX2 @ SX0 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[709]) ).

thf(722,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[648]) ).

thf(723,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
          | ( element @ SX0 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[711]) ).

thf(724,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                    | ~ ( in @ SX1 @ SX2 ) )
              | ~ ( in @ SX2 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[630]) ).

thf(725,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( ~ ( epsilon_connected @ SX0 )
                | ! [SX1: $i,SX2: $i] :
                    ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SX1 @ SX0 )
                                          | ~ ( in @ SX2 @ SX0 ) )
                                    | ~ ~ ( in @ SX1 @ SX2 ) )
                              | ~ ( ( SX1 != SX2 ) ) )
                        | ~ ~ ( in @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX1: $i,SX2: $i] :
                      ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SX1 @ SX0 )
                                            | ~ ( in @ SX2 @ SX0 ) )
                                      | ~ ~ ( in @ SX1 @ SX2 ) )
                                | ~ ( ( SX1 != SX2 ) ) )
                          | ~ ~ ( in @ SX2 @ SX1 ) )
                | ( epsilon_connected @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[646]) ).

thf(726,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                | ~ ( one_sorted_str @ SX0 ) )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
                    | ~ ~ ( empty @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[704]) ).

thf(727,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ( SX0 != empty_set ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ! [SX2: $i] :
                  ( ~ ( element @ SX2 @ SX0 )
                  | ~ ~ ( in @ SX2 @ SX1 )
                  | ( in @ SX2 @ ( subset_complement @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[632]) ).

thf(728,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( element @ SX2 @ ( powerset @ SX0 ) )
          | ~ ~ ( ~ ( in @ SX1 @ ( subset_complement @ SX0 @ SX2 ) )
                | ~ ( in @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[633]) ).

thf(729,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( ( complements_of_subsets @ SX0 @ ( complements_of_subsets @ SX0 @ SX1 ) )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[700]) ).

thf(730,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ SX1 )
          | ( empty @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[708]) ).

thf(731,plain,
    ( ( ! [SX0: $i] :
          ( ~ ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SX1 @ SX0 )
                                  | ( SX2
                                   != ( singleton @ SX1 ) ) )
                            | ~ ( in @ SX1 @ SX0 ) )
                      | ( SX3
                       != ( singleton @ SX1 ) ) )
                | ( SX2 = SX3 ) )
          | ~ ! [SX1: $i] :
                ~ ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ~ ! [SX3: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                          | ~ ( in @ SX3 @ SX0 ) )
                                    | ( SX2
                                     != ( singleton @ SX3 ) ) ) )
                      | ~ ( ~ ~ ! [SX3: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                            | ~ ( in @ SX3 @ SX0 ) )
                                      | ( SX2
                                       != ( singleton @ SX3 ) ) )
                          | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[705]) ).

thf(732,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( meet_of_subsets @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[683]) ).

thf(733,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                | ~ ( element @ SX2 @ ( powerset @ SX0 ) ) )
          | ( element @ ( subset_difference @ SX0 @ SX1 @ SX2 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[684]) ).

thf(734,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                | ~ ( element @ SX2 @ ( powerset @ SX0 ) ) )
          | ( element @ ( subset_intersection2 @ SX0 @ SX1 @ SX2 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[682]) ).

thf(735,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ( one_sorted_str @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[694]) ).

thf(736,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SX0 @ SX1 )
                    | ~ ! [SX2: $i] :
                          ~ ~ ( ~ ( in @ SX2 @ SX0 )
                              | ~ ( in @ SX2 @ SX1 ) ) )
            | ~ ~ ~ ( ~ ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( in @ SX2 @ SX0 )
                                | ~ ( in @ SX2 @ SX1 ) )
                    | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[631]) ).

thf(737,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v1_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ( v1_membered @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[636]) ).

thf(738,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( element @ ( empty_carrier_subset @ SX0 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[660]) ).

thf(739,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ~ ( ~ ( in @ SX0 @ SX1 )
              | ~ ( empty @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[713]) ).

thf(740,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( element @ ( subset_complement @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[675]) ).

thf(741,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                    | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
              | ~ ( empty @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[712]) ).

thf(742,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( ( subset_complement @ SX0 @ ( subset_complement @ SX0 @ SX1 ) )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[699]) ).

thf(743,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ( element @ SX1 @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[695]) ).

thf(744,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( one_sorted_str @ SX0 )
                | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[703]) ).

thf(745,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( finite @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ( finite @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[637]) ).

thf(746,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( element @ SX0 @ ( powerset @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
            | ~ ( ~ ( subset @ SX0 @ SX1 )
                | ( element @ SX0 @ ( powerset @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[710]) ).

thf(747,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( union @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ~ ! [SX3: $i] :
                                ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                    | ~ ( in @ SX3 @ SX0 ) ) )
                      | ~ ( ~ ~ ! [SX3: $i] :
                                  ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                      | ~ ( in @ SX3 @ SX0 ) )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ~ ! [SX3: $i] :
                                  ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                      | ~ ( in @ SX3 @ SX0 ) ) )
                        | ~ ( ~ ~ ! [SX3: $i] :
                                    ~ ~ ( ~ ( in @ SX2 @ SX3 )
                                        | ~ ( in @ SX3 @ SX0 ) )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( union @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[650]) ).

thf(748,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ordinal @ SX1 )
          | ~ ( in @ SX0 @ SX1 )
          | ( ordinal @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[628]) ).

thf(749,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ~ ( ~ ( ( SX3
                 != ( unordered_triple @ SX0 @ SX1 @ SX2 ) )
                | ! [SX4: $i] :
                    ~ ( ~ ( ~ ( in @ SX4 @ SX3 )
                          | ~ ~ ( ~ ~ ( ~ ( ( SX4 != SX0 ) )
                                      | ~ ( ( SX4 != SX1 ) ) )
                                | ~ ( ( SX4 != SX2 ) ) ) )
                      | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SX4 != SX0 ) )
                                        | ~ ( ( SX4 != SX1 ) ) )
                                  | ~ ( ( SX4 != SX2 ) ) )
                          | ( in @ SX4 @ SX3 ) ) ) )
            | ~ ( ~ ! [SX4: $i] :
                      ~ ( ~ ( ~ ( in @ SX4 @ SX3 )
                            | ~ ~ ( ~ ~ ( ~ ( ( SX4 != SX0 ) )
                                        | ~ ( ( SX4 != SX1 ) ) )
                                  | ~ ( ( SX4 != SX2 ) ) ) )
                        | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SX4 != SX0 ) )
                                          | ~ ( ( SX4 != SX1 ) ) )
                                    | ~ ( ( SX4 != SX2 ) ) )
                            | ( in @ SX4 @ SX3 ) ) )
                | ( SX3
                  = ( unordered_triple @ SX0 @ SX1 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[639]) ).

thf(750,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[624]) ).

thf(751,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) )
            | ~ ( ~ ! [SX1: $i] :
                      ~ ( in @ SX1 @ SX0 )
                | ( SX0 = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[641]) ).

thf(752,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( meet_semilatt_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[687]) ).

thf(753,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                | ~ ( element @ SX2 @ ( powerset @ SX0 ) ) )
          | ( ( subset_intersection2 @ SX0 @ SX1 @ SX1 )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[698]) ).

thf(754,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                | ~ ( one_sorted_str @ SX0 ) )
          | ~ ( empty @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[696]) ).

thf(755,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( top_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[688]) ).

thf(756,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ! [SX2: $i] :
              ( ~ ( element @ SX2 @ ( powerset @ ( powerset @ SX0 ) ) )
              | ~ ( ~ ( ( SX2
                       != ( complements_of_subsets @ SX0 @ SX1 ) )
                      | ! [SX3: $i] :
                          ( ~ ( element @ SX3 @ ( powerset @ SX0 ) )
                          | ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ ( subset_complement @ SX0 @ SX3 ) @ SX1 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SX0 @ SX3 ) @ SX1 )
                                  | ( in @ SX3 @ SX2 ) ) ) ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( element @ SX3 @ ( powerset @ SX0 ) )
                            | ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                                    | ( in @ ( subset_complement @ SX0 @ SX3 ) @ SX1 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SX0 @ SX3 ) @ SX1 )
                                    | ( in @ SX3 @ SX2 ) ) ) )
                      | ( SX2
                        = ( complements_of_subsets @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[653]) ).

thf(757,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ! [SX2: $i] :
                  ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                        | ~ ( ~ ( in @ SX2 @ SX0 )
                            | ~ ( ordinal @ SX2 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SX2 @ SX0 )
                              | ~ ( ordinal @ SX2 ) )
                        | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[625]) ).

thf(758,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( empty @ SX0 )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ~ ~ ( empty @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[701]) ).

thf(759,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                  | ~ ( empty @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[702]) ).

thf(760,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ordinal @ SX1 )
              | ~ ~ ( ~ ~ ( ~ ~ ( in @ SX0 @ SX1 )
                          | ~ ( ( SX0 != SX1 ) ) )
                    | ~ ~ ( in @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[629]) ).

thf(761,plain,
    ( ( ! [SX0: $i] :
          ( ~ ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ~ ( ~ ~ ( ~ ~ ( ( SX1 != SX2 )
                                  | ~ ( ordinal @ SX2 ) )
                            | ( SX1 != SX3 ) )
                      | ~ ( ordinal @ SX3 ) )
                | ( SX2 = SX3 ) )
          | ~ ! [SX1: $i] :
                ~ ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ~ ! [SX3: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                          | ( SX3 != SX2 ) )
                                    | ~ ( ordinal @ SX2 ) ) )
                      | ~ ( ~ ~ ! [SX3: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                            | ( SX3 != SX2 ) )
                                      | ~ ( ordinal @ SX2 ) )
                          | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[706]) ).

thf(762,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                | ~ ( element @ SX2 @ ( powerset @ SX0 ) ) )
          | ( ( subset_intersection2 @ SX0 @ SX1 @ SX2 )
            = ( subset_intersection2 @ SX0 @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[638]) ).

thf(763,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( unordered_pair @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ( SX3 = SX0 )
                          | ( SX3 = SX1 ) )
                      | ~ ( ~ ( ( SX3 = SX0 )
                              | ( SX3 = SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ( SX3 = SX0 )
                            | ( SX3 = SX1 ) )
                        | ~ ( ~ ( ( SX3 = SX0 )
                                | ( SX3 = SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( unordered_pair @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[644]) ).

thf(764,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
            | ! [SX1: $i] :
                ( ~ ( element @ SX1 @ ( the_carrier @ sK1_A ) )
                | ~ ( ~ ( ~ ( in @ SX1 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SX0 ) )
                        | ~ ( in @ SX1 @ SX0 ) )
                    | ~ ( ~ ~ ( in @ SX1 @ SX0 )
                        | ( in @ SX1 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[717]) ).

thf(765,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( join_semilatt_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[690]) ).

thf(766,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( cast_as_carrier_subset @ SX0 )
            = ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[647]) ).

thf(767,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_intersection2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ( ~ ( in @ SX3 @ SX0 )
                              | ~ ( in @ SX3 @ SX1 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                  | ~ ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_intersection2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[649]) ).

thf(768,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[635]) ).

thf(769,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( union_of_subsets @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[681]) ).

thf(770,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( complements_of_subsets @ SX0 @ SX1 ) @ ( powerset @ ( powerset @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[685]) ).

thf(771,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( powerset @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ( subset @ SX2 @ SX0 ) )
                      | ~ ( ~ ( subset @ SX2 @ SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ( subset @ SX2 @ SX0 ) )
                        | ~ ( ~ ( subset @ SX2 @ SX0 )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( powerset @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[642]) ).

thf(772,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( element @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[707]) ).

thf(773,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX1 )
              | ( in @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[623]) ).

thf(774,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_difference @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ( ~ ( in @ SX3 @ SX0 )
                              | ~ ~ ( in @ SX3 @ SX1 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ~ ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ~ ( in @ SX3 @ SX1 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                  | ~ ~ ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_difference @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[651]) ).

thf(775,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_union2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ( in @ SX3 @ SX0 )
                          | ( in @ SX3 @ SX1 ) )
                      | ~ ( ~ ( ( in @ SX3 @ SX0 )
                              | ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 ) )
                        | ~ ( ~ ( ( in @ SX3 @ SX0 )
                                | ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_union2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[645]) ).

thf(776,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( singleton @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) )
                      | ~ ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ( SX2 = SX0 ) )
                        | ~ ( ( SX2 != SX0 )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[640]) ).

thf(777,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( cast_as_carrier_subset @ SX0 )
            = ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[627]) ).

thf(778,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( element @ ( cast_as_carrier_subset @ SX0 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[668]) ).

thf(779,plain,
    ! [SV1: $i] :
      ( ( in @ SV1 @ ( succ @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[626]) ).

thf(780,plain,
    ! [SV2: $i] :
      ( ( ( union @ ( powerset @ SV2 ) )
        = SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(781,plain,
    ! [SV3: $i] :
      ( ( element @ ( cast_to_subset @ SV3 ) @ ( powerset @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[670]) ).

thf(782,plain,
    ! [SV4: $i] :
      ( ( ~ ( empty @ ( powerset @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[697]) ).

thf(783,plain,
    ( ( empty_carrier @ sK1_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[716]) ).

thf(784,plain,
    ! [SV5: $i] :
      ( ( ! [SY165: $i] :
            ~ ~ ( ~ ( in @ SV5 @ SY165 )
                | ~ ! [SX2: $i] :
                      ~ ~ ( ~ ( in @ SX2 @ SY165 )
                          | ~ ! [SX3: $i] :
                                ~ ~ ( ~ ( in @ SX3 @ SY165 )
                                    | ~ ( in @ SX3 @ SX2 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[718]) ).

thf(785,plain,
    ! [SV6: $i] :
      ( ( ! [SY168: $i] :
            ~ ( ~ ( ~ ~ ( empty @ SV6 )
                  | ~ ( ~ ( ~ ( element @ SY168 @ SV6 )
                          | ( in @ SY168 @ SV6 ) )
                      | ~ ( ~ ( in @ SY168 @ SV6 )
                          | ( element @ SY168 @ SV6 ) ) ) )
              | ~ ( ~ ( empty @ SV6 )
                  | ~ ( ~ ( ~ ( element @ SY168 @ SV6 )
                          | ( empty @ SY168 ) )
                      | ~ ( ~ ( empty @ SY168 )
                          | ( element @ SY168 @ SV6 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[719]) ).

thf(786,plain,
    ! [SV7: $i] :
      ( ( ! [SY169: $i] :
            ( ~ ( element @ SY169 @ ( powerset @ SV7 ) )
            | ( ( subset_complement @ SV7 @ SY169 )
              = ( set_difference @ SV7 @ SY169 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[720]) ).

thf(787,plain,
    ! [SV8: $i] :
      ( ( ! [SY170: $i] :
            ( ~ ! [SY171: $i] :
                  ~ ( ~ ( ~ ( in @ SY171 @ SV8 )
                        | ( in @ SY171 @ SY170 ) )
                    | ~ ( ~ ( in @ SY171 @ SY170 )
                        | ( in @ SY171 @ SV8 ) ) )
            | ( SV8 = SY170 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[721]) ).

thf(788,plain,
    ! [SV9: $i] :
      ( ( ! [SY172: $i] :
            ~ ( ~ ( ~ ( subset @ SV9 @ SY172 )
                  | ! [SY173: $i] :
                      ( ~ ( in @ SY173 @ SV9 )
                      | ( in @ SY173 @ SY172 ) ) )
              | ~ ( ~ ! [SY174: $i] :
                        ( ~ ( in @ SY174 @ SV9 )
                        | ( in @ SY174 @ SY172 ) )
                  | ( subset @ SV9 @ SY172 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[722]) ).

thf(789,plain,
    ! [SV10: $i] :
      ( ( ! [SY175: $i,SY176: $i] :
            ( ~ ~ ( ~ ( in @ SV10 @ SY175 )
                  | ~ ( element @ SY175 @ ( powerset @ SY176 ) ) )
            | ( element @ SV10 @ SY176 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[723]) ).

thf(790,plain,
    ! [SV11: $i] :
      ( ( ! [SY177: $i,SY178: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SY177 )
                      | ~ ( in @ SY177 @ SY178 ) )
                | ~ ( in @ SY178 @ SV11 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[724]) ).

thf(791,plain,
    ! [SV12: $i] :
      ( ( ~ ( ~ ( ~ ( epsilon_connected @ SV12 )
                | ! [SY179: $i,SY180: $i] :
                    ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY179 @ SV12 )
                                          | ~ ( in @ SY180 @ SV12 ) )
                                    | ~ ~ ( in @ SY179 @ SY180 ) )
                              | ~ ( ( SY179 != SY180 ) ) )
                        | ~ ~ ( in @ SY180 @ SY179 ) ) )
            | ~ ( ~ ! [SY181: $i,SY182: $i] :
                      ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY181 @ SV12 )
                                            | ~ ( in @ SY182 @ SV12 ) )
                                      | ~ ~ ( in @ SY181 @ SY182 ) )
                                | ~ ( ( SY181 != SY182 ) ) )
                          | ~ ~ ( in @ SY182 @ SY181 ) )
                | ( epsilon_connected @ SV12 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[725]) ).

thf(792,plain,
    ! [SV13: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV13 )
              | ~ ( one_sorted_str @ SV13 ) )
        | ~ ! [SY183: $i] :
              ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                  | ~ ~ ( empty @ SY183 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[726]) ).

thf(793,plain,
    ! [SV14: $i] :
      ( ( ~ ( ( SV14 != empty_set ) )
        | ! [SY184: $i] :
            ( ~ ( element @ SY184 @ ( powerset @ SV14 ) )
            | ! [SY185: $i] :
                ( ~ ( element @ SY185 @ SV14 )
                | ~ ~ ( in @ SY185 @ SY184 )
                | ( in @ SY185 @ ( subset_complement @ SV14 @ SY184 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[727]) ).

thf(794,plain,
    ! [SV15: $i] :
      ( ( ! [SY186: $i,SY187: $i] :
            ( ~ ( element @ SY187 @ ( powerset @ SV15 ) )
            | ~ ~ ( ~ ( in @ SY186 @ ( subset_complement @ SV15 @ SY187 ) )
                  | ~ ( in @ SY186 @ SY187 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[728]) ).

thf(795,plain,
    ! [SV16: $i] :
      ( ( ! [SY188: $i] :
            ( ~ ( element @ SY188 @ ( powerset @ ( powerset @ SV16 ) ) )
            | ( ( complements_of_subsets @ SV16 @ ( complements_of_subsets @ SV16 @ SY188 ) )
              = SY188 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[729]) ).

thf(796,plain,
    ! [SV17: $i] :
      ( ( ! [SY189: $i] :
            ( ~ ( element @ SV17 @ SY189 )
            | ( empty @ SY189 )
            | ( in @ SV17 @ SY189 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[730]) ).

thf(797,plain,
    ! [SV18: $i] :
      ( ( ~ ! [SY190: $i,SY191: $i,SY192: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY190 @ SV18 )
                                | ( SY191
                                 != ( singleton @ SY190 ) ) )
                          | ~ ( in @ SY190 @ SV18 ) )
                    | ( SY192
                     != ( singleton @ SY190 ) ) )
              | ( SY191 = SY192 ) )
        | ~ ! [SY193: $i] :
              ~ ! [SY194: $i] :
                  ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                        | ~ ! [SY195: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                        | ~ ( in @ SY195 @ SV18 ) )
                                  | ( SY194
                                   != ( singleton @ SY195 ) ) ) )
                    | ~ ( ~ ~ ! [SY196: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                          | ~ ( in @ SY196 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY196 ) ) )
                        | ( in @ SY194 @ SY193 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[731]) ).

thf(798,plain,
    ! [SV19: $i] :
      ( ( ! [SY197: $i] :
            ( ~ ( element @ SY197 @ ( powerset @ ( powerset @ SV19 ) ) )
            | ( element @ ( meet_of_subsets @ SV19 @ SY197 ) @ ( powerset @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[732]) ).

thf(799,plain,
    ! [SV20: $i] :
      ( ( ! [SY198: $i,SY199: $i] :
            ( ~ ~ ( ~ ( element @ SY198 @ ( powerset @ SV20 ) )
                  | ~ ( element @ SY199 @ ( powerset @ SV20 ) ) )
            | ( element @ ( subset_difference @ SV20 @ SY198 @ SY199 ) @ ( powerset @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[733]) ).

thf(800,plain,
    ! [SV21: $i] :
      ( ( ! [SY200: $i,SY201: $i] :
            ( ~ ~ ( ~ ( element @ SY200 @ ( powerset @ SV21 ) )
                  | ~ ( element @ SY201 @ ( powerset @ SV21 ) ) )
            | ( element @ ( subset_intersection2 @ SV21 @ SY200 @ SY201 ) @ ( powerset @ SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[734]) ).

thf(801,plain,
    ( ( ! [SX0: $i] :
          ~ ( one_sorted_str @ SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[735]) ).

thf(802,plain,
    ! [SV22: $i] :
      ( ( ! [SY202: $i] :
            ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SV22 @ SY202 )
                      | ~ ! [SY203: $i] :
                            ~ ~ ( ~ ( in @ SY203 @ SV22 )
                                | ~ ( in @ SY203 @ SY202 ) ) )
              | ~ ~ ~ ( ~ ~ ! [SY204: $i] :
                              ~ ~ ( ~ ( in @ SY204 @ SV22 )
                                  | ~ ( in @ SY204 @ SY202 ) )
                      | ~ ( disjoint @ SV22 @ SY202 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[736]) ).

thf(803,plain,
    ! [SV23: $i] :
      ( ( ~ ( v1_membered @ SV23 )
        | ! [SY205: $i] :
            ( ~ ( element @ SY205 @ ( powerset @ SV23 ) )
            | ( v1_membered @ SY205 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[737]) ).

thf(804,plain,
    ! [SV24: $i] :
      ( ( ~ ( one_sorted_str @ SV24 )
        | ( element @ ( empty_carrier_subset @ SV24 ) @ ( powerset @ ( the_carrier @ SV24 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[738]) ).

thf(805,plain,
    ! [SV25: $i] :
      ( ( ! [SY206: $i] :
            ~ ~ ( ~ ( in @ SV25 @ SY206 )
                | ~ ( empty @ SY206 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[739]) ).

thf(806,plain,
    ! [SV26: $i] :
      ( ( ! [SY207: $i] :
            ( ~ ( element @ SY207 @ ( powerset @ SV26 ) )
            | ( element @ ( subset_complement @ SV26 @ SY207 ) @ ( powerset @ SV26 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[740]) ).

thf(807,plain,
    ! [SV27: $i] :
      ( ( ! [SY208: $i,SY209: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV27 @ SY208 )
                      | ~ ( element @ SY208 @ ( powerset @ SY209 ) ) )
                | ~ ( empty @ SY209 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[741]) ).

thf(808,plain,
    ! [SV28: $i] :
      ( ( ! [SY210: $i] :
            ( ~ ( element @ SY210 @ ( powerset @ SV28 ) )
            | ( ( subset_complement @ SV28 @ ( subset_complement @ SV28 @ SY210 ) )
              = SY210 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[742]) ).

thf(809,plain,
    ! [SV29: $i] :
      ( ( ~ ! [SY211: $i] :
              ~ ( element @ SY211 @ SV29 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[743]) ).

thf(810,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( one_sorted_str @ SX0 )
              | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[744]) ).

thf(811,plain,
    ! [SV30: $i] :
      ( ( ~ ( finite @ SV30 )
        | ! [SY212: $i] :
            ( ~ ( element @ SY212 @ ( powerset @ SV30 ) )
            | ( finite @ SY212 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[745]) ).

thf(812,plain,
    ! [SV31: $i] :
      ( ( ! [SY213: $i] :
            ~ ( ~ ( ~ ( element @ SV31 @ ( powerset @ SY213 ) )
                  | ( subset @ SV31 @ SY213 ) )
              | ~ ( ~ ( subset @ SV31 @ SY213 )
                  | ( element @ SV31 @ ( powerset @ SY213 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[746]) ).

thf(813,plain,
    ! [SV32: $i] :
      ( ( ! [SY214: $i] :
            ~ ( ~ ( ( SY214
                   != ( union @ SV32 ) )
                  | ! [SY215: $i] :
                      ~ ( ~ ( ~ ( in @ SY215 @ SY214 )
                            | ~ ! [SY216: $i] :
                                  ~ ~ ( ~ ( in @ SY215 @ SY216 )
                                      | ~ ( in @ SY216 @ SV32 ) ) )
                        | ~ ( ~ ~ ! [SY217: $i] :
                                    ~ ~ ( ~ ( in @ SY215 @ SY217 )
                                        | ~ ( in @ SY217 @ SV32 ) )
                            | ( in @ SY215 @ SY214 ) ) ) )
              | ~ ( ~ ! [SY218: $i] :
                        ~ ( ~ ( ~ ( in @ SY218 @ SY214 )
                              | ~ ! [SY219: $i] :
                                    ~ ~ ( ~ ( in @ SY218 @ SY219 )
                                        | ~ ( in @ SY219 @ SV32 ) ) )
                          | ~ ( ~ ~ ! [SY220: $i] :
                                      ~ ~ ( ~ ( in @ SY218 @ SY220 )
                                          | ~ ( in @ SY220 @ SV32 ) )
                              | ( in @ SY218 @ SY214 ) ) )
                  | ( SY214
                    = ( union @ SV32 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[747]) ).

thf(814,plain,
    ! [SV33: $i] :
      ( ( ! [SY221: $i] :
            ( ~ ( ordinal @ SY221 )
            | ~ ( in @ SV33 @ SY221 )
            | ( ordinal @ SV33 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[748]) ).

thf(815,plain,
    ! [SV34: $i] :
      ( ( ! [SY222: $i,SY223: $i,SY224: $i] :
            ~ ( ~ ( ( SY224
                   != ( unordered_triple @ SV34 @ SY222 @ SY223 ) )
                  | ! [SY225: $i] :
                      ~ ( ~ ( ~ ( in @ SY225 @ SY224 )
                            | ~ ~ ( ~ ~ ( ~ ( ( SY225 != SV34 ) )
                                        | ~ ( ( SY225 != SY222 ) ) )
                                  | ~ ( ( SY225 != SY223 ) ) ) )
                        | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY225 != SV34 ) )
                                          | ~ ( ( SY225 != SY222 ) ) )
                                    | ~ ( ( SY225 != SY223 ) ) )
                            | ( in @ SY225 @ SY224 ) ) ) )
              | ~ ( ~ ! [SY226: $i] :
                        ~ ( ~ ( ~ ( in @ SY226 @ SY224 )
                              | ~ ~ ( ~ ~ ( ~ ( ( SY226 != SV34 ) )
                                          | ~ ( ( SY226 != SY222 ) ) )
                                    | ~ ( ( SY226 != SY223 ) ) ) )
                          | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY226 != SV34 ) )
                                            | ~ ( ( SY226 != SY222 ) ) )
                                      | ~ ( ( SY226 != SY223 ) ) )
                              | ( in @ SY226 @ SY224 ) ) )
                  | ( SY224
                    = ( unordered_triple @ SV34 @ SY222 @ SY223 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[749]) ).

thf(816,plain,
    ! [SV35: $i] :
      ( ( ! [SY227: $i] :
            ( ~ ! [SY228: $i] :
                  ( ~ ( in @ SY228 @ SV35 )
                  | ( in @ SY228 @ SY227 ) )
            | ( element @ SV35 @ ( powerset @ SY227 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[750]) ).

thf(817,plain,
    ! [SV36: $i] :
      ( ( ~ ( ~ ( ( SV36 != empty_set )
                | ! [SY229: $i] :
                    ~ ( in @ SY229 @ SV36 ) )
            | ~ ( ~ ! [SY230: $i] :
                      ~ ( in @ SY230 @ SV36 )
                | ( SV36 = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[751]) ).

thf(818,plain,
    ! [SV37: $i] :
      ( ( ~ ( meet_semilatt_str @ SV37 )
        | ( one_sorted_str @ SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[752]) ).

thf(819,plain,
    ! [SV38: $i] :
      ( ( ! [SY231: $i,SY232: $i] :
            ( ~ ~ ( ~ ( element @ SY231 @ ( powerset @ SV38 ) )
                  | ~ ( element @ SY232 @ ( powerset @ SV38 ) ) )
            | ( ( subset_intersection2 @ SV38 @ SY231 @ SY231 )
              = SY231 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[753]) ).

thf(820,plain,
    ! [SV39: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV39 )
              | ~ ( one_sorted_str @ SV39 ) )
        | ~ ( empty @ ( the_carrier @ SV39 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[754]) ).

thf(821,plain,
    ! [SV40: $i] :
      ( ( ~ ( top_str @ SV40 )
        | ( one_sorted_str @ SV40 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[755]) ).

thf(822,plain,
    ! [SV41: $i] :
      ( ( ! [SY233: $i] :
            ( ~ ( element @ SY233 @ ( powerset @ ( powerset @ SV41 ) ) )
            | ! [SY234: $i] :
                ( ~ ( element @ SY234 @ ( powerset @ ( powerset @ SV41 ) ) )
                | ~ ( ~ ( ( SY234
                         != ( complements_of_subsets @ SV41 @ SY233 ) )
                        | ! [SY235: $i] :
                            ( ~ ( element @ SY235 @ ( powerset @ SV41 ) )
                            | ~ ( ~ ( ~ ( in @ SY235 @ SY234 )
                                    | ( in @ ( subset_complement @ SV41 @ SY235 ) @ SY233 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY235 ) @ SY233 )
                                    | ( in @ SY235 @ SY234 ) ) ) ) )
                    | ~ ( ~ ! [SY236: $i] :
                              ( ~ ( element @ SY236 @ ( powerset @ SV41 ) )
                              | ~ ( ~ ( ~ ( in @ SY236 @ SY234 )
                                      | ( in @ ( subset_complement @ SV41 @ SY236 ) @ SY233 ) )
                                  | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY236 ) @ SY233 )
                                      | ( in @ SY236 @ SY234 ) ) ) )
                        | ( SY234
                          = ( complements_of_subsets @ SV41 @ SY233 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[756]) ).

thf(823,plain,
    ! [SV42: $i] :
      ( ( ~ ! [SY237: $i] :
              ~ ! [SY238: $i] :
                  ~ ( ~ ( ~ ( in @ SY238 @ SY237 )
                        | ~ ( ~ ( in @ SY238 @ SV42 )
                            | ~ ( ordinal @ SY238 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY238 @ SV42 )
                              | ~ ( ordinal @ SY238 ) )
                        | ( in @ SY238 @ SY237 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[757]) ).

thf(824,plain,
    ! [SV43: $i] :
      ( ( ~ ~ ( empty @ SV43 )
        | ~ ! [SY239: $i] :
              ~ ~ ( ~ ( element @ SY239 @ ( powerset @ SV43 ) )
                  | ~ ~ ( empty @ SY239 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[758]) ).

thf(825,plain,
    ! [SV44: $i] :
      ( ( ~ ! [SY240: $i] :
              ~ ~ ( ~ ( element @ SY240 @ ( powerset @ SV44 ) )
                  | ~ ( empty @ SY240 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[759]) ).

thf(826,plain,
    ! [SV45: $i] :
      ( ( ~ ( ordinal @ SV45 )
        | ! [SY241: $i] :
            ( ~ ( ordinal @ SY241 )
            | ~ ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SY241 )
                        | ~ ( ( SV45 != SY241 ) ) )
                  | ~ ~ ( in @ SY241 @ SV45 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[760]) ).

thf(827,plain,
    ! [SV46: $i] :
      ( ( ~ ! [SX1: $i,SX2: $i,SX3: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ( SX1 != SX2 )
                                | ~ ( ordinal @ SX2 ) )
                          | ( SX1 != SX3 ) )
                    | ~ ( ordinal @ SX3 ) )
              | ( SX2 = SX3 ) )
        | ~ ! [SY245: $i] :
              ~ ! [SY246: $i] :
                  ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                        | ~ ! [SY247: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                        | ( SY247 != SY246 ) )
                                  | ~ ( ordinal @ SY246 ) ) )
                    | ~ ( ~ ~ ! [SY248: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                          | ( SY248 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) )
                        | ( in @ SY246 @ SY245 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[761]) ).

thf(828,plain,
    ! [SV47: $i] :
      ( ( ! [SY249: $i,SY250: $i] :
            ( ~ ~ ( ~ ( element @ SY249 @ ( powerset @ SV47 ) )
                  | ~ ( element @ SY250 @ ( powerset @ SV47 ) ) )
            | ( ( subset_intersection2 @ SV47 @ SY249 @ SY250 )
              = ( subset_intersection2 @ SV47 @ SY250 @ SY249 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[762]) ).

thf(829,plain,
    ! [SV48: $i] :
      ( ( ! [SY251: $i,SY252: $i] :
            ~ ( ~ ( ( SY252
                   != ( unordered_pair @ SV48 @ SY251 ) )
                  | ! [SY253: $i] :
                      ~ ( ~ ( ~ ( in @ SY253 @ SY252 )
                            | ( SY253 = SV48 )
                            | ( SY253 = SY251 ) )
                        | ~ ( ~ ( ( SY253 = SV48 )
                                | ( SY253 = SY251 ) )
                            | ( in @ SY253 @ SY252 ) ) ) )
              | ~ ( ~ ! [SY254: $i] :
                        ~ ( ~ ( ~ ( in @ SY254 @ SY252 )
                              | ( SY254 = SV48 )
                              | ( SY254 = SY251 ) )
                          | ~ ( ~ ( ( SY254 = SV48 )
                                  | ( SY254 = SY251 ) )
                              | ( in @ SY254 @ SY252 ) ) )
                  | ( SY252
                    = ( unordered_pair @ SV48 @ SY251 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[763]) ).

thf(830,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( the_carrier @ sK1_A ) )
              | ~ ( ~ ( ~ ( in @ SX1 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SX0 ) )
                      | ~ ( in @ SX1 @ SX0 ) )
                  | ~ ( ~ ~ ( in @ SX1 @ SX0 )
                      | ( in @ SX1 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ SX0 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[764]) ).

thf(831,plain,
    ! [SV49: $i] :
      ( ( ~ ( join_semilatt_str @ SV49 )
        | ( one_sorted_str @ SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[765]) ).

thf(832,plain,
    ! [SV50: $i] :
      ( ( ~ ( one_sorted_str @ SV50 )
        | ( ( cast_as_carrier_subset @ SV50 )
          = ( the_carrier @ SV50 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[766]) ).

thf(833,plain,
    ! [SV51: $i] :
      ( ( ! [SY255: $i,SY256: $i] :
            ~ ( ~ ( ( SY256
                   != ( set_intersection2 @ SV51 @ SY255 ) )
                  | ! [SY257: $i] :
                      ~ ( ~ ( ~ ( in @ SY257 @ SY256 )
                            | ~ ( ~ ( in @ SY257 @ SV51 )
                                | ~ ( in @ SY257 @ SY255 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY257 @ SV51 )
                                  | ~ ( in @ SY257 @ SY255 ) )
                            | ( in @ SY257 @ SY256 ) ) ) )
              | ~ ( ~ ! [SY258: $i] :
                        ~ ( ~ ( ~ ( in @ SY258 @ SY256 )
                              | ~ ( ~ ( in @ SY258 @ SV51 )
                                  | ~ ( in @ SY258 @ SY255 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY258 @ SV51 )
                                    | ~ ( in @ SY258 @ SY255 ) )
                              | ( in @ SY258 @ SY256 ) ) )
                  | ( SY256
                    = ( set_intersection2 @ SV51 @ SY255 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[767]) ).

thf(834,plain,
    ! [SV52: $i] :
      ( ( ! [SY259: $i] :
            ( ~ ( in @ SV52 @ SY259 )
            | ~ ( in @ SY259 @ SV52 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[768]) ).

thf(835,plain,
    ! [SV53: $i] :
      ( ( ! [SY260: $i] :
            ( ~ ( element @ SY260 @ ( powerset @ ( powerset @ SV53 ) ) )
            | ( element @ ( union_of_subsets @ SV53 @ SY260 ) @ ( powerset @ SV53 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[769]) ).

thf(836,plain,
    ! [SV54: $i] :
      ( ( ! [SY261: $i] :
            ( ~ ( element @ SY261 @ ( powerset @ ( powerset @ SV54 ) ) )
            | ( element @ ( complements_of_subsets @ SV54 @ SY261 ) @ ( powerset @ ( powerset @ SV54 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[770]) ).

thf(837,plain,
    ! [SV55: $i] :
      ( ( ! [SY262: $i] :
            ~ ( ~ ( ( SY262
                   != ( powerset @ SV55 ) )
                  | ! [SY263: $i] :
                      ~ ( ~ ( ~ ( in @ SY263 @ SY262 )
                            | ( subset @ SY263 @ SV55 ) )
                        | ~ ( ~ ( subset @ SY263 @ SV55 )
                            | ( in @ SY263 @ SY262 ) ) ) )
              | ~ ( ~ ! [SY264: $i] :
                        ~ ( ~ ( ~ ( in @ SY264 @ SY262 )
                              | ( subset @ SY264 @ SV55 ) )
                          | ~ ( ~ ( subset @ SY264 @ SV55 )
                              | ( in @ SY264 @ SY262 ) ) )
                  | ( SY262
                    = ( powerset @ SV55 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[771]) ).

thf(838,plain,
    ! [SV56: $i] :
      ( ( ! [SY265: $i] :
            ( ~ ( in @ SV56 @ SY265 )
            | ( element @ SV56 @ SY265 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[772]) ).

thf(839,plain,
    ! [SV57: $i] :
      ( ( ! [SY266: $i] :
            ( ~ ( element @ SY266 @ ( powerset @ SV57 ) )
            | ! [SY267: $i] :
                ( ~ ( in @ SY267 @ SY266 )
                | ( in @ SY267 @ SV57 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[773]) ).

thf(840,plain,
    ! [SV58: $i] :
      ( ( ! [SY268: $i,SY269: $i] :
            ~ ( ~ ( ( SY269
                   != ( set_difference @ SV58 @ SY268 ) )
                  | ! [SY270: $i] :
                      ~ ( ~ ( ~ ( in @ SY270 @ SY269 )
                            | ~ ( ~ ( in @ SY270 @ SV58 )
                                | ~ ~ ( in @ SY270 @ SY268 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY270 @ SV58 )
                                  | ~ ~ ( in @ SY270 @ SY268 ) )
                            | ( in @ SY270 @ SY269 ) ) ) )
              | ~ ( ~ ! [SY271: $i] :
                        ~ ( ~ ( ~ ( in @ SY271 @ SY269 )
                              | ~ ( ~ ( in @ SY271 @ SV58 )
                                  | ~ ~ ( in @ SY271 @ SY268 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY271 @ SV58 )
                                    | ~ ~ ( in @ SY271 @ SY268 ) )
                              | ( in @ SY271 @ SY269 ) ) )
                  | ( SY269
                    = ( set_difference @ SV58 @ SY268 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[774]) ).

thf(841,plain,
    ! [SV59: $i] :
      ( ( ! [SY272: $i,SY273: $i] :
            ~ ( ~ ( ( SY273
                   != ( set_union2 @ SV59 @ SY272 ) )
                  | ! [SY274: $i] :
                      ~ ( ~ ( ~ ( in @ SY274 @ SY273 )
                            | ( in @ SY274 @ SV59 )
                            | ( in @ SY274 @ SY272 ) )
                        | ~ ( ~ ( ( in @ SY274 @ SV59 )
                                | ( in @ SY274 @ SY272 ) )
                            | ( in @ SY274 @ SY273 ) ) ) )
              | ~ ( ~ ! [SY275: $i] :
                        ~ ( ~ ( ~ ( in @ SY275 @ SY273 )
                              | ( in @ SY275 @ SV59 )
                              | ( in @ SY275 @ SY272 ) )
                          | ~ ( ~ ( ( in @ SY275 @ SV59 )
                                  | ( in @ SY275 @ SY272 ) )
                              | ( in @ SY275 @ SY273 ) ) )
                  | ( SY273
                    = ( set_union2 @ SV59 @ SY272 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[775]) ).

thf(842,plain,
    ! [SV60: $i] :
      ( ( ! [SY276: $i] :
            ~ ( ~ ( ( SY276
                   != ( singleton @ SV60 ) )
                  | ! [SY277: $i] :
                      ~ ( ~ ( ~ ( in @ SY277 @ SY276 )
                            | ( SY277 = SV60 ) )
                        | ~ ( ( SY277 != SV60 )
                            | ( in @ SY277 @ SY276 ) ) ) )
              | ~ ( ~ ! [SY278: $i] :
                        ~ ( ~ ( ~ ( in @ SY278 @ SY276 )
                              | ( SY278 = SV60 ) )
                          | ~ ( ( SY278 != SV60 )
                              | ( in @ SY278 @ SY276 ) ) )
                  | ( SY276
                    = ( singleton @ SV60 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[776]) ).

thf(843,plain,
    ! [SV61: $i] :
      ( ( ~ ( one_sorted_str @ SV61 )
        | ( ( cast_as_carrier_subset @ SV61 )
          = ( the_carrier @ SV61 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[777]) ).

thf(844,plain,
    ! [SV62: $i] :
      ( ( ~ ( one_sorted_str @ SV62 )
        | ( element @ ( cast_as_carrier_subset @ SV62 ) @ ( powerset @ ( the_carrier @ SV62 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[778]) ).

thf(845,plain,
    ! [SV4: $i] :
      ( ( empty @ ( powerset @ SV4 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[782]) ).

thf(846,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ~ ~ ( ~ ( in @ SV5 @ SV63 )
              | ~ ! [SY279: $i] :
                    ~ ~ ( ~ ( in @ SY279 @ SV63 )
                        | ~ ! [SY280: $i] :
                              ~ ~ ( ~ ( in @ SY280 @ SV63 )
                                  | ~ ( in @ SY280 @ SY279 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[784]) ).

thf(847,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ~ ( ~ ( ~ ~ ( empty @ SV6 )
                | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                        | ( in @ SV64 @ SV6 ) )
                    | ~ ( ~ ( in @ SV64 @ SV6 )
                        | ( element @ SV64 @ SV6 ) ) ) )
            | ~ ( ~ ( empty @ SV6 )
                | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                        | ( empty @ SV64 ) )
                    | ~ ( ~ ( empty @ SV64 )
                        | ( element @ SV64 @ SV6 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[785]) ).

thf(848,plain,
    ! [SV7: $i,SV65: $i] :
      ( ( ~ ( element @ SV65 @ ( powerset @ SV7 ) )
        | ( ( subset_complement @ SV7 @ SV65 )
          = ( set_difference @ SV7 @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[786]) ).

thf(849,plain,
    ! [SV66: $i,SV8: $i] :
      ( ( ~ ! [SY281: $i] :
              ~ ( ~ ( ~ ( in @ SY281 @ SV8 )
                    | ( in @ SY281 @ SV66 ) )
                | ~ ( ~ ( in @ SY281 @ SV66 )
                    | ( in @ SY281 @ SV8 ) ) )
        | ( SV8 = SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[787]) ).

thf(850,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV9 @ SV67 )
                | ! [SY282: $i] :
                    ( ~ ( in @ SY282 @ SV9 )
                    | ( in @ SY282 @ SV67 ) ) )
            | ~ ( ~ ! [SY283: $i] :
                      ( ~ ( in @ SY283 @ SV9 )
                      | ( in @ SY283 @ SV67 ) )
                | ( subset @ SV9 @ SV67 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[788]) ).

thf(851,plain,
    ! [SV68: $i,SV10: $i] :
      ( ( ! [SY284: $i] :
            ( ~ ~ ( ~ ( in @ SV10 @ SV68 )
                  | ~ ( element @ SV68 @ ( powerset @ SY284 ) ) )
            | ( element @ SV10 @ SY284 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[789]) ).

thf(852,plain,
    ! [SV69: $i,SV11: $i] :
      ( ( ! [SY285: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SV69 )
                      | ~ ( in @ SV69 @ SY285 ) )
                | ~ ( in @ SY285 @ SV11 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[790]) ).

thf(853,plain,
    ! [SV12: $i] :
      ( ( ~ ( ~ ( epsilon_connected @ SV12 )
            | ! [SY179: $i,SY180: $i] :
                ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY179 @ SV12 )
                                      | ~ ( in @ SY180 @ SV12 ) )
                                | ~ ~ ( in @ SY179 @ SY180 ) )
                          | ~ ( ( SY179 != SY180 ) ) )
                    | ~ ~ ( in @ SY180 @ SY179 ) ) )
        | ~ ( ~ ! [SY181: $i,SY182: $i] :
                  ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY181 @ SV12 )
                                        | ~ ( in @ SY182 @ SV12 ) )
                                  | ~ ~ ( in @ SY181 @ SY182 ) )
                            | ~ ( ( SY181 != SY182 ) ) )
                      | ~ ~ ( in @ SY182 @ SY181 ) )
            | ( epsilon_connected @ SV12 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[791]) ).

thf(854,plain,
    ! [SV13: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV13 )
                | ~ ( one_sorted_str @ SV13 ) ) )
        = $true )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[792]) ).

thf(855,plain,
    ! [SV14: $i] :
      ( ( ( ~ ( ( SV14 != empty_set ) ) )
        = $true )
      | ( ( ! [SY184: $i] :
              ( ~ ( element @ SY184 @ ( powerset @ SV14 ) )
              | ! [SY185: $i] :
                  ( ~ ( element @ SY185 @ SV14 )
                  | ~ ~ ( in @ SY185 @ SY184 )
                  | ( in @ SY185 @ ( subset_complement @ SV14 @ SY184 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[793]) ).

thf(856,plain,
    ! [SV70: $i,SV15: $i] :
      ( ( ! [SY286: $i] :
            ( ~ ( element @ SY286 @ ( powerset @ SV15 ) )
            | ~ ~ ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SY286 ) )
                  | ~ ( in @ SV70 @ SY286 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[794]) ).

thf(857,plain,
    ! [SV16: $i,SV71: $i] :
      ( ( ~ ( element @ SV71 @ ( powerset @ ( powerset @ SV16 ) ) )
        | ( ( complements_of_subsets @ SV16 @ ( complements_of_subsets @ SV16 @ SV71 ) )
          = SV71 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[795]) ).

thf(858,plain,
    ! [SV72: $i,SV17: $i] :
      ( ( ~ ( element @ SV17 @ SV72 )
        | ( empty @ SV72 )
        | ( in @ SV17 @ SV72 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[796]) ).

thf(859,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY190: $i,SY191: $i,SY192: $i] :
                ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY190 @ SV18 )
                                  | ( SY191
                                   != ( singleton @ SY190 ) ) )
                            | ~ ( in @ SY190 @ SV18 ) )
                      | ( SY192
                       != ( singleton @ SY190 ) ) )
                | ( SY191 = SY192 ) ) )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[797]) ).

thf(860,plain,
    ! [SV19: $i,SV73: $i] :
      ( ( ~ ( element @ SV73 @ ( powerset @ ( powerset @ SV19 ) ) )
        | ( element @ ( meet_of_subsets @ SV19 @ SV73 ) @ ( powerset @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[798]) ).

thf(861,plain,
    ! [SV20: $i,SV74: $i] :
      ( ( ! [SY287: $i] :
            ( ~ ~ ( ~ ( element @ SV74 @ ( powerset @ SV20 ) )
                  | ~ ( element @ SY287 @ ( powerset @ SV20 ) ) )
            | ( element @ ( subset_difference @ SV20 @ SV74 @ SY287 ) @ ( powerset @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[799]) ).

thf(862,plain,
    ! [SV21: $i,SV75: $i] :
      ( ( ! [SY288: $i] :
            ( ~ ~ ( ~ ( element @ SV75 @ ( powerset @ SV21 ) )
                  | ~ ( element @ SY288 @ ( powerset @ SV21 ) ) )
            | ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SY288 ) @ ( powerset @ SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[800]) ).

thf(863,plain,
    ( ( ~ ( one_sorted_str @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[801]) ).

thf(864,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ( ~ ~ ~ ( ~ ~ ( disjoint @ SV22 @ SV76 )
                    | ~ ! [SY289: $i] :
                          ~ ~ ( ~ ( in @ SY289 @ SV22 )
                              | ~ ( in @ SY289 @ SV76 ) ) )
            | ~ ~ ~ ( ~ ~ ! [SY290: $i] :
                            ~ ~ ( ~ ( in @ SY290 @ SV22 )
                                | ~ ( in @ SY290 @ SV76 ) )
                    | ~ ( disjoint @ SV22 @ SV76 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[802]) ).

thf(865,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( v1_membered @ SV23 ) )
        = $true )
      | ( ( ! [SY205: $i] :
              ( ~ ( element @ SY205 @ ( powerset @ SV23 ) )
              | ( v1_membered @ SY205 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[803]) ).

thf(866,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( one_sorted_str @ SV24 ) )
        = $true )
      | ( ( element @ ( empty_carrier_subset @ SV24 ) @ ( powerset @ ( the_carrier @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[804]) ).

thf(867,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ~ ( ~ ( in @ SV25 @ SV77 )
              | ~ ( empty @ SV77 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[805]) ).

thf(868,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ~ ( element @ SV78 @ ( powerset @ SV26 ) )
        | ( element @ ( subset_complement @ SV26 @ SV78 ) @ ( powerset @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[806]) ).

thf(869,plain,
    ! [SV79: $i,SV27: $i] :
      ( ( ! [SY291: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV27 @ SV79 )
                      | ~ ( element @ SV79 @ ( powerset @ SY291 ) ) )
                | ~ ( empty @ SY291 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[807]) ).

thf(870,plain,
    ! [SV28: $i,SV80: $i] :
      ( ( ~ ( element @ SV80 @ ( powerset @ SV28 ) )
        | ( ( subset_complement @ SV28 @ ( subset_complement @ SV28 @ SV80 ) )
          = SV80 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[808]) ).

thf(871,plain,
    ! [SV29: $i] :
      ( ( ! [SY211: $i] :
            ~ ( element @ SY211 @ SV29 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[809]) ).

thf(872,plain,
    ( ( ~ ~ ( ~ ( one_sorted_str @ sK3_SX0 )
            | ~ ~ ( empty_carrier @ sK3_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[810]) ).

thf(873,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( finite @ SV30 ) )
        = $true )
      | ( ( ! [SY212: $i] :
              ( ~ ( element @ SY212 @ ( powerset @ SV30 ) )
              | ( finite @ SY212 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[811]) ).

thf(874,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ~ ( ~ ( ~ ( element @ SV31 @ ( powerset @ SV81 ) )
                | ( subset @ SV31 @ SV81 ) )
            | ~ ( ~ ( subset @ SV31 @ SV81 )
                | ( element @ SV31 @ ( powerset @ SV81 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[812]) ).

thf(875,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ~ ( ~ ( ( SV82
                 != ( union @ SV32 ) )
                | ! [SY292: $i] :
                    ~ ( ~ ( ~ ( in @ SY292 @ SV82 )
                          | ~ ! [SY216: $i] :
                                ~ ~ ( ~ ( in @ SY292 @ SY216 )
                                    | ~ ( in @ SY216 @ SV32 ) ) )
                      | ~ ( ~ ~ ! [SY217: $i] :
                                  ~ ~ ( ~ ( in @ SY292 @ SY217 )
                                      | ~ ( in @ SY217 @ SV32 ) )
                          | ( in @ SY292 @ SV82 ) ) ) )
            | ~ ( ~ ! [SY295: $i] :
                      ~ ( ~ ( ~ ( in @ SY295 @ SV82 )
                            | ~ ! [SY219: $i] :
                                  ~ ~ ( ~ ( in @ SY295 @ SY219 )
                                      | ~ ( in @ SY219 @ SV32 ) ) )
                        | ~ ( ~ ~ ! [SY220: $i] :
                                    ~ ~ ( ~ ( in @ SY295 @ SY220 )
                                        | ~ ( in @ SY220 @ SV32 ) )
                            | ( in @ SY295 @ SV82 ) ) )
                | ( SV82
                  = ( union @ SV32 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[813]) ).

thf(876,plain,
    ! [SV33: $i,SV83: $i] :
      ( ( ~ ( ordinal @ SV83 )
        | ~ ( in @ SV33 @ SV83 )
        | ( ordinal @ SV33 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[814]) ).

thf(877,plain,
    ! [SV84: $i,SV34: $i] :
      ( ( ! [SY298: $i,SY299: $i] :
            ~ ( ~ ( ( SY299
                   != ( unordered_triple @ SV34 @ SV84 @ SY298 ) )
                  | ! [SY300: $i] :
                      ~ ( ~ ( ~ ( in @ SY300 @ SY299 )
                            | ~ ~ ( ~ ~ ( ~ ( ( SY300 != SV34 ) )
                                        | ~ ( ( SY300 != SV84 ) ) )
                                  | ~ ( ( SY300 != SY298 ) ) ) )
                        | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY300 != SV34 ) )
                                          | ~ ( ( SY300 != SV84 ) ) )
                                    | ~ ( ( SY300 != SY298 ) ) )
                            | ( in @ SY300 @ SY299 ) ) ) )
              | ~ ( ~ ! [SY301: $i] :
                        ~ ( ~ ( ~ ( in @ SY301 @ SY299 )
                              | ~ ~ ( ~ ~ ( ~ ( ( SY301 != SV34 ) )
                                          | ~ ( ( SY301 != SV84 ) ) )
                                    | ~ ( ( SY301 != SY298 ) ) ) )
                          | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY301 != SV34 ) )
                                            | ~ ( ( SY301 != SV84 ) ) )
                                      | ~ ( ( SY301 != SY298 ) ) )
                              | ( in @ SY301 @ SY299 ) ) )
                  | ( SY299
                    = ( unordered_triple @ SV34 @ SV84 @ SY298 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[815]) ).

thf(878,plain,
    ! [SV85: $i,SV35: $i] :
      ( ( ~ ! [SY302: $i] :
              ( ~ ( in @ SY302 @ SV35 )
              | ( in @ SY302 @ SV85 ) )
        | ( element @ SV35 @ ( powerset @ SV85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[816]) ).

thf(879,plain,
    ! [SV36: $i] :
      ( ( ~ ( ( SV36 != empty_set )
            | ! [SY229: $i] :
                ~ ( in @ SY229 @ SV36 ) )
        | ~ ( ~ ! [SY230: $i] :
                  ~ ( in @ SY230 @ SV36 )
            | ( SV36 = empty_set ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[817]) ).

thf(880,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( meet_semilatt_str @ SV37 ) )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[818]) ).

thf(881,plain,
    ! [SV38: $i,SV86: $i] :
      ( ( ! [SY303: $i] :
            ( ~ ~ ( ~ ( element @ SV86 @ ( powerset @ SV38 ) )
                  | ~ ( element @ SY303 @ ( powerset @ SV38 ) ) )
            | ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
              = SV86 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[819]) ).

thf(882,plain,
    ! [SV39: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV39 )
                | ~ ( one_sorted_str @ SV39 ) ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[820]) ).

thf(883,plain,
    ! [SV40: $i] :
      ( ( ( ~ ( top_str @ SV40 ) )
        = $true )
      | ( ( one_sorted_str @ SV40 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[821]) ).

thf(884,plain,
    ! [SV41: $i,SV87: $i] :
      ( ( ~ ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        | ! [SY304: $i] :
            ( ~ ( element @ SY304 @ ( powerset @ ( powerset @ SV41 ) ) )
            | ~ ( ~ ( ( SY304
                     != ( complements_of_subsets @ SV41 @ SV87 ) )
                    | ! [SY305: $i] :
                        ( ~ ( element @ SY305 @ ( powerset @ SV41 ) )
                        | ~ ( ~ ( ~ ( in @ SY305 @ SY304 )
                                | ( in @ ( subset_complement @ SV41 @ SY305 ) @ SV87 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY305 ) @ SV87 )
                                | ( in @ SY305 @ SY304 ) ) ) ) )
                | ~ ( ~ ! [SY306: $i] :
                          ( ~ ( element @ SY306 @ ( powerset @ SV41 ) )
                          | ~ ( ~ ( ~ ( in @ SY306 @ SY304 )
                                  | ( in @ ( subset_complement @ SV41 @ SY306 ) @ SV87 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY306 ) @ SV87 )
                                  | ( in @ SY306 @ SY304 ) ) ) )
                    | ( SY304
                      = ( complements_of_subsets @ SV41 @ SV87 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[822]) ).

thf(885,plain,
    ! [SV42: $i] :
      ( ( ! [SY237: $i] :
            ~ ! [SY238: $i] :
                ~ ( ~ ( ~ ( in @ SY238 @ SY237 )
                      | ~ ( ~ ( in @ SY238 @ SV42 )
                          | ~ ( ordinal @ SY238 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY238 @ SV42 )
                            | ~ ( ordinal @ SY238 ) )
                      | ( in @ SY238 @ SY237 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[823]) ).

thf(886,plain,
    ! [SV43: $i] :
      ( ( ( ~ ~ ( empty @ SV43 ) )
        = $true )
      | ( ( ~ ! [SY239: $i] :
                ~ ~ ( ~ ( element @ SY239 @ ( powerset @ SV43 ) )
                    | ~ ~ ( empty @ SY239 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[824]) ).

thf(887,plain,
    ! [SV44: $i] :
      ( ( ! [SY240: $i] :
            ~ ~ ( ~ ( element @ SY240 @ ( powerset @ SV44 ) )
                | ~ ( empty @ SY240 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[825]) ).

thf(888,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( ordinal @ SV45 ) )
        = $true )
      | ( ( ! [SY241: $i] :
              ( ~ ( ordinal @ SY241 )
              | ~ ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SY241 )
                          | ~ ( ( SV45 != SY241 ) ) )
                    | ~ ~ ( in @ SY241 @ SV45 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[826]) ).

thf(889,plain,
    ! [SV46: $i] :
      ( ( ( ~ ! [SX1: $i,SX2: $i,SX3: $i] :
                ( ~ ~ ( ~ ~ ( ~ ~ ( ( SX1 != SX2 )
                                  | ~ ( ordinal @ SX2 ) )
                            | ( SX1 != SX3 ) )
                      | ~ ( ordinal @ SX3 ) )
                | ( SX2 = SX3 ) ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[827]) ).

thf(890,plain,
    ! [SV47: $i,SV88: $i] :
      ( ( ! [SY307: $i] :
            ( ~ ~ ( ~ ( element @ SV88 @ ( powerset @ SV47 ) )
                  | ~ ( element @ SY307 @ ( powerset @ SV47 ) ) )
            | ( ( subset_intersection2 @ SV47 @ SV88 @ SY307 )
              = ( subset_intersection2 @ SV47 @ SY307 @ SV88 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[828]) ).

thf(891,plain,
    ! [SV89: $i,SV48: $i] :
      ( ( ! [SY308: $i] :
            ~ ( ~ ( ( SY308
                   != ( unordered_pair @ SV48 @ SV89 ) )
                  | ! [SY309: $i] :
                      ~ ( ~ ( ~ ( in @ SY309 @ SY308 )
                            | ( SY309 = SV48 )
                            | ( SY309 = SV89 ) )
                        | ~ ( ~ ( ( SY309 = SV48 )
                                | ( SY309 = SV89 ) )
                            | ( in @ SY309 @ SY308 ) ) ) )
              | ~ ( ~ ! [SY310: $i] :
                        ~ ( ~ ( ~ ( in @ SY310 @ SY308 )
                              | ( SY310 = SV48 )
                              | ( SY310 = SV89 ) )
                          | ~ ( ~ ( ( SY310 = SV48 )
                                  | ( SY310 = SV89 ) )
                              | ( in @ SY310 @ SY308 ) ) )
                  | ( SY308
                    = ( unordered_pair @ SV48 @ SV89 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[829]) ).

thf(892,plain,
    ( ( ~ ( element @ sK4_SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
      | ! [SY311: $i] :
          ( ~ ( element @ SY311 @ ( the_carrier @ sK1_A ) )
          | ~ ( ~ ( ~ ( in @ SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
                  | ~ ( in @ SY311 @ sK4_SX0 ) )
              | ~ ( ~ ~ ( in @ SY311 @ sK4_SX0 )
                  | ( in @ SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[830]) ).

thf(893,plain,
    ! [SV49: $i] :
      ( ( ( ~ ( join_semilatt_str @ SV49 ) )
        = $true )
      | ( ( one_sorted_str @ SV49 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[831]) ).

thf(894,plain,
    ! [SV50: $i] :
      ( ( ( ~ ( one_sorted_str @ SV50 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV50 )
          = ( the_carrier @ SV50 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[832]) ).

thf(895,plain,
    ! [SV90: $i,SV51: $i] :
      ( ( ! [SY312: $i] :
            ~ ( ~ ( ( SY312
                   != ( set_intersection2 @ SV51 @ SV90 ) )
                  | ! [SY313: $i] :
                      ~ ( ~ ( ~ ( in @ SY313 @ SY312 )
                            | ~ ( ~ ( in @ SY313 @ SV51 )
                                | ~ ( in @ SY313 @ SV90 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY313 @ SV51 )
                                  | ~ ( in @ SY313 @ SV90 ) )
                            | ( in @ SY313 @ SY312 ) ) ) )
              | ~ ( ~ ! [SY314: $i] :
                        ~ ( ~ ( ~ ( in @ SY314 @ SY312 )
                              | ~ ( ~ ( in @ SY314 @ SV51 )
                                  | ~ ( in @ SY314 @ SV90 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY314 @ SV51 )
                                    | ~ ( in @ SY314 @ SV90 ) )
                              | ( in @ SY314 @ SY312 ) ) )
                  | ( SY312
                    = ( set_intersection2 @ SV51 @ SV90 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[833]) ).

thf(896,plain,
    ! [SV91: $i,SV52: $i] :
      ( ( ~ ( in @ SV52 @ SV91 )
        | ~ ( in @ SV91 @ SV52 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[834]) ).

thf(897,plain,
    ! [SV53: $i,SV92: $i] :
      ( ( ~ ( element @ SV92 @ ( powerset @ ( powerset @ SV53 ) ) )
        | ( element @ ( union_of_subsets @ SV53 @ SV92 ) @ ( powerset @ SV53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[835]) ).

thf(898,plain,
    ! [SV54: $i,SV93: $i] :
      ( ( ~ ( element @ SV93 @ ( powerset @ ( powerset @ SV54 ) ) )
        | ( element @ ( complements_of_subsets @ SV54 @ SV93 ) @ ( powerset @ ( powerset @ SV54 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[836]) ).

thf(899,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ~ ( ~ ( ( SV94
                 != ( powerset @ SV55 ) )
                | ! [SY315: $i] :
                    ~ ( ~ ( ~ ( in @ SY315 @ SV94 )
                          | ( subset @ SY315 @ SV55 ) )
                      | ~ ( ~ ( subset @ SY315 @ SV55 )
                          | ( in @ SY315 @ SV94 ) ) ) )
            | ~ ( ~ ! [SY316: $i] :
                      ~ ( ~ ( ~ ( in @ SY316 @ SV94 )
                            | ( subset @ SY316 @ SV55 ) )
                        | ~ ( ~ ( subset @ SY316 @ SV55 )
                            | ( in @ SY316 @ SV94 ) ) )
                | ( SV94
                  = ( powerset @ SV55 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[837]) ).

thf(900,plain,
    ! [SV95: $i,SV56: $i] :
      ( ( ~ ( in @ SV56 @ SV95 )
        | ( element @ SV56 @ SV95 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[838]) ).

thf(901,plain,
    ! [SV57: $i,SV96: $i] :
      ( ( ~ ( element @ SV96 @ ( powerset @ SV57 ) )
        | ! [SY317: $i] :
            ( ~ ( in @ SY317 @ SV96 )
            | ( in @ SY317 @ SV57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[839]) ).

thf(902,plain,
    ! [SV97: $i,SV58: $i] :
      ( ( ! [SY318: $i] :
            ~ ( ~ ( ( SY318
                   != ( set_difference @ SV58 @ SV97 ) )
                  | ! [SY319: $i] :
                      ~ ( ~ ( ~ ( in @ SY319 @ SY318 )
                            | ~ ( ~ ( in @ SY319 @ SV58 )
                                | ~ ~ ( in @ SY319 @ SV97 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY319 @ SV58 )
                                  | ~ ~ ( in @ SY319 @ SV97 ) )
                            | ( in @ SY319 @ SY318 ) ) ) )
              | ~ ( ~ ! [SY320: $i] :
                        ~ ( ~ ( ~ ( in @ SY320 @ SY318 )
                              | ~ ( ~ ( in @ SY320 @ SV58 )
                                  | ~ ~ ( in @ SY320 @ SV97 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY320 @ SV58 )
                                    | ~ ~ ( in @ SY320 @ SV97 ) )
                              | ( in @ SY320 @ SY318 ) ) )
                  | ( SY318
                    = ( set_difference @ SV58 @ SV97 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[840]) ).

thf(903,plain,
    ! [SV98: $i,SV59: $i] :
      ( ( ! [SY321: $i] :
            ~ ( ~ ( ( SY321
                   != ( set_union2 @ SV59 @ SV98 ) )
                  | ! [SY322: $i] :
                      ~ ( ~ ( ~ ( in @ SY322 @ SY321 )
                            | ( in @ SY322 @ SV59 )
                            | ( in @ SY322 @ SV98 ) )
                        | ~ ( ~ ( ( in @ SY322 @ SV59 )
                                | ( in @ SY322 @ SV98 ) )
                            | ( in @ SY322 @ SY321 ) ) ) )
              | ~ ( ~ ! [SY323: $i] :
                        ~ ( ~ ( ~ ( in @ SY323 @ SY321 )
                              | ( in @ SY323 @ SV59 )
                              | ( in @ SY323 @ SV98 ) )
                          | ~ ( ~ ( ( in @ SY323 @ SV59 )
                                  | ( in @ SY323 @ SV98 ) )
                              | ( in @ SY323 @ SY321 ) ) )
                  | ( SY321
                    = ( set_union2 @ SV59 @ SV98 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[841]) ).

thf(904,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ~ ( ~ ( ( SV99
                 != ( singleton @ SV60 ) )
                | ! [SY324: $i] :
                    ~ ( ~ ( ~ ( in @ SY324 @ SV99 )
                          | ( SY324 = SV60 ) )
                      | ~ ( ( SY324 != SV60 )
                          | ( in @ SY324 @ SV99 ) ) ) )
            | ~ ( ~ ! [SY325: $i] :
                      ~ ( ~ ( ~ ( in @ SY325 @ SV99 )
                            | ( SY325 = SV60 ) )
                        | ~ ( ( SY325 != SV60 )
                            | ( in @ SY325 @ SV99 ) ) )
                | ( SV99
                  = ( singleton @ SV60 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[842]) ).

thf(905,plain,
    ! [SV61: $i] :
      ( ( ( ~ ( one_sorted_str @ SV61 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV61 )
          = ( the_carrier @ SV61 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[843]) ).

thf(906,plain,
    ! [SV62: $i] :
      ( ( ( ~ ( one_sorted_str @ SV62 ) )
        = $true )
      | ( ( element @ ( cast_as_carrier_subset @ SV62 ) @ ( powerset @ ( the_carrier @ SV62 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[844]) ).

thf(907,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ~ ( ~ ( in @ SV5 @ SV63 )
            | ~ ! [SY279: $i] :
                  ~ ~ ( ~ ( in @ SY279 @ SV63 )
                      | ~ ! [SY280: $i] :
                            ~ ~ ( ~ ( in @ SY280 @ SV63 )
                                | ~ ( in @ SY280 @ SY279 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[846]) ).

thf(908,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ~ ( ~ ~ ( empty @ SV6 )
            | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                    | ( in @ SV64 @ SV6 ) )
                | ~ ( ~ ( in @ SV64 @ SV6 )
                    | ( element @ SV64 @ SV6 ) ) ) )
        | ~ ( ~ ( empty @ SV6 )
            | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                    | ( empty @ SV64 ) )
                | ~ ( ~ ( empty @ SV64 )
                    | ( element @ SV64 @ SV6 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[847]) ).

thf(909,plain,
    ! [SV7: $i,SV65: $i] :
      ( ( ( ~ ( element @ SV65 @ ( powerset @ SV7 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV7 @ SV65 )
          = ( set_difference @ SV7 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[848]) ).

thf(910,plain,
    ! [SV66: $i,SV8: $i] :
      ( ( ( ~ ! [SY281: $i] :
                ~ ( ~ ( ~ ( in @ SY281 @ SV8 )
                      | ( in @ SY281 @ SV66 ) )
                  | ~ ( ~ ( in @ SY281 @ SV66 )
                      | ( in @ SY281 @ SV8 ) ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[849]) ).

thf(911,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ~ ( ~ ( subset @ SV9 @ SV67 )
            | ! [SY282: $i] :
                ( ~ ( in @ SY282 @ SV9 )
                | ( in @ SY282 @ SV67 ) ) )
        | ~ ( ~ ! [SY283: $i] :
                  ( ~ ( in @ SY283 @ SV9 )
                  | ( in @ SY283 @ SV67 ) )
            | ( subset @ SV9 @ SV67 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[850]) ).

thf(912,plain,
    ! [SV100: $i,SV68: $i,SV10: $i] :
      ( ( ~ ~ ( ~ ( in @ SV10 @ SV68 )
              | ~ ( element @ SV68 @ ( powerset @ SV100 ) ) )
        | ( element @ SV10 @ SV100 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[851]) ).

thf(913,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SV69 )
                    | ~ ( in @ SV69 @ SV101 ) )
              | ~ ( in @ SV101 @ SV11 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[852]) ).

thf(914,plain,
    ! [SV12: $i] :
      ( ( ~ ( ~ ( epsilon_connected @ SV12 )
            | ! [SY179: $i,SY180: $i] :
                ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY179 @ SV12 )
                                      | ~ ( in @ SY180 @ SV12 ) )
                                | ~ ~ ( in @ SY179 @ SY180 ) )
                          | ~ ( ( SY179 != SY180 ) ) )
                    | ~ ~ ( in @ SY180 @ SY179 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[853]) ).

thf(915,plain,
    ! [SV12: $i] :
      ( ( ~ ( ~ ! [SY181: $i,SY182: $i] :
                  ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY181 @ SV12 )
                                        | ~ ( in @ SY182 @ SV12 ) )
                                  | ~ ~ ( in @ SY181 @ SY182 ) )
                            | ~ ( ( SY181 != SY182 ) ) )
                      | ~ ~ ( in @ SY182 @ SY181 ) )
            | ( epsilon_connected @ SV12 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[853]) ).

thf(916,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV13 )
              | ~ ( one_sorted_str @ SV13 ) ) )
        = $false )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[854]) ).

thf(917,plain,
    ! [SV14: $i] :
      ( ( ( SV14 != empty_set )
        = $false )
      | ( ( ! [SY184: $i] :
              ( ~ ( element @ SY184 @ ( powerset @ SV14 ) )
              | ! [SY185: $i] :
                  ( ~ ( element @ SY185 @ SV14 )
                  | ~ ~ ( in @ SY185 @ SY184 )
                  | ( in @ SY185 @ ( subset_complement @ SV14 @ SY184 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[855]) ).

thf(918,plain,
    ! [SV70: $i,SV15: $i,SV102: $i] :
      ( ( ~ ( element @ SV102 @ ( powerset @ SV15 ) )
        | ~ ~ ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
              | ~ ( in @ SV70 @ SV102 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[856]) ).

thf(919,plain,
    ! [SV16: $i,SV71: $i] :
      ( ( ( ~ ( element @ SV71 @ ( powerset @ ( powerset @ SV16 ) ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV16 @ ( complements_of_subsets @ SV16 @ SV71 ) )
          = SV71 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[857]) ).

thf(920,plain,
    ! [SV72: $i,SV17: $i] :
      ( ( ( ~ ( element @ SV17 @ SV72 ) )
        = $true )
      | ( ( ( empty @ SV72 )
          | ( in @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[858]) ).

thf(921,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY190: $i,SY191: $i,SY192: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY190 @ SV18 )
                                | ( SY191
                                 != ( singleton @ SY190 ) ) )
                          | ~ ( in @ SY190 @ SV18 ) )
                    | ( SY192
                     != ( singleton @ SY190 ) ) )
              | ( SY191 = SY192 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[859]) ).

thf(922,plain,
    ! [SV19: $i,SV73: $i] :
      ( ( ( ~ ( element @ SV73 @ ( powerset @ ( powerset @ SV19 ) ) ) )
        = $true )
      | ( ( element @ ( meet_of_subsets @ SV19 @ SV73 ) @ ( powerset @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[860]) ).

thf(923,plain,
    ! [SV103: $i,SV20: $i,SV74: $i] :
      ( ( ~ ~ ( ~ ( element @ SV74 @ ( powerset @ SV20 ) )
              | ~ ( element @ SV103 @ ( powerset @ SV20 ) ) )
        | ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[861]) ).

thf(924,plain,
    ! [SV104: $i,SV21: $i,SV75: $i] :
      ( ( ~ ~ ( ~ ( element @ SV75 @ ( powerset @ SV21 ) )
              | ~ ( element @ SV104 @ ( powerset @ SV21 ) ) )
        | ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[862]) ).

thf(925,plain,
    ( ( one_sorted_str @ sK2_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[863]) ).

thf(926,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ~ ( ~ ~ ( disjoint @ SV22 @ SV76 )
                | ~ ! [SY289: $i] :
                      ~ ~ ( ~ ( in @ SY289 @ SV22 )
                          | ~ ( in @ SY289 @ SV76 ) ) )
        | ~ ~ ~ ( ~ ~ ! [SY290: $i] :
                        ~ ~ ( ~ ( in @ SY290 @ SV22 )
                            | ~ ( in @ SY290 @ SV76 ) )
                | ~ ( disjoint @ SV22 @ SV76 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[864]) ).

thf(927,plain,
    ! [SV23: $i] :
      ( ( ( v1_membered @ SV23 )
        = $false )
      | ( ( ! [SY205: $i] :
              ( ~ ( element @ SY205 @ ( powerset @ SV23 ) )
              | ( v1_membered @ SY205 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[865]) ).

thf(928,plain,
    ! [SV24: $i] :
      ( ( ( one_sorted_str @ SV24 )
        = $false )
      | ( ( element @ ( empty_carrier_subset @ SV24 ) @ ( powerset @ ( the_carrier @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[866]) ).

thf(929,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( ~ ( in @ SV25 @ SV77 )
            | ~ ( empty @ SV77 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[867]) ).

thf(930,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( ~ ( element @ SV78 @ ( powerset @ SV26 ) ) )
        = $true )
      | ( ( element @ ( subset_complement @ SV26 @ SV78 ) @ ( powerset @ SV26 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[868]) ).

thf(931,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV27 @ SV79 )
                    | ~ ( element @ SV79 @ ( powerset @ SV105 ) ) )
              | ~ ( empty @ SV105 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[869]) ).

thf(932,plain,
    ! [SV28: $i,SV80: $i] :
      ( ( ( ~ ( element @ SV80 @ ( powerset @ SV28 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV28 @ ( subset_complement @ SV28 @ SV80 ) )
          = SV80 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[870]) ).

thf(933,plain,
    ! [SV29: $i] :
      ( ( ~ ( element @ ( sK5_SY211 @ SV29 ) @ SV29 ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[871]) ).

thf(934,plain,
    ( ( ~ ( ~ ( one_sorted_str @ sK3_SX0 )
          | ~ ~ ( empty_carrier @ sK3_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[872]) ).

thf(935,plain,
    ! [SV30: $i] :
      ( ( ( finite @ SV30 )
        = $false )
      | ( ( ! [SY212: $i] :
              ( ~ ( element @ SY212 @ ( powerset @ SV30 ) )
              | ( finite @ SY212 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[873]) ).

thf(936,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ~ ( ~ ( element @ SV31 @ ( powerset @ SV81 ) )
            | ( subset @ SV31 @ SV81 ) )
        | ~ ( ~ ( subset @ SV31 @ SV81 )
            | ( element @ SV31 @ ( powerset @ SV81 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[874]) ).

thf(937,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ~ ( ( SV82
             != ( union @ SV32 ) )
            | ! [SY292: $i] :
                ~ ( ~ ( ~ ( in @ SY292 @ SV82 )
                      | ~ ! [SY216: $i] :
                            ~ ~ ( ~ ( in @ SY292 @ SY216 )
                                | ~ ( in @ SY216 @ SV32 ) ) )
                  | ~ ( ~ ~ ! [SY217: $i] :
                              ~ ~ ( ~ ( in @ SY292 @ SY217 )
                                  | ~ ( in @ SY217 @ SV32 ) )
                      | ( in @ SY292 @ SV82 ) ) ) )
        | ~ ( ~ ! [SY295: $i] :
                  ~ ( ~ ( ~ ( in @ SY295 @ SV82 )
                        | ~ ! [SY219: $i] :
                              ~ ~ ( ~ ( in @ SY295 @ SY219 )
                                  | ~ ( in @ SY219 @ SV32 ) ) )
                    | ~ ( ~ ~ ! [SY220: $i] :
                                ~ ~ ( ~ ( in @ SY295 @ SY220 )
                                    | ~ ( in @ SY220 @ SV32 ) )
                        | ( in @ SY295 @ SV82 ) ) )
            | ( SV82
              = ( union @ SV32 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[875]) ).

thf(938,plain,
    ! [SV33: $i,SV83: $i] :
      ( ( ( ~ ( ordinal @ SV83 ) )
        = $true )
      | ( ( ~ ( in @ SV33 @ SV83 )
          | ( ordinal @ SV33 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[876]) ).

thf(939,plain,
    ! [SV106: $i,SV84: $i,SV34: $i] :
      ( ( ! [SY326: $i] :
            ~ ( ~ ( ( SY326
                   != ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
                  | ! [SY327: $i] :
                      ~ ( ~ ( ~ ( in @ SY327 @ SY326 )
                            | ~ ~ ( ~ ~ ( ~ ( ( SY327 != SV34 ) )
                                        | ~ ( ( SY327 != SV84 ) ) )
                                  | ~ ( ( SY327 != SV106 ) ) ) )
                        | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY327 != SV34 ) )
                                          | ~ ( ( SY327 != SV84 ) ) )
                                    | ~ ( ( SY327 != SV106 ) ) )
                            | ( in @ SY327 @ SY326 ) ) ) )
              | ~ ( ~ ! [SY328: $i] :
                        ~ ( ~ ( ~ ( in @ SY328 @ SY326 )
                              | ~ ~ ( ~ ~ ( ~ ( ( SY328 != SV34 ) )
                                          | ~ ( ( SY328 != SV84 ) ) )
                                    | ~ ( ( SY328 != SV106 ) ) ) )
                          | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY328 != SV34 ) )
                                            | ~ ( ( SY328 != SV84 ) ) )
                                      | ~ ( ( SY328 != SV106 ) ) )
                              | ( in @ SY328 @ SY326 ) ) )
                  | ( SY326
                    = ( unordered_triple @ SV34 @ SV84 @ SV106 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[877]) ).

thf(940,plain,
    ! [SV85: $i,SV35: $i] :
      ( ( ( ~ ! [SY302: $i] :
                ( ~ ( in @ SY302 @ SV35 )
                | ( in @ SY302 @ SV85 ) ) )
        = $true )
      | ( ( element @ SV35 @ ( powerset @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[878]) ).

thf(941,plain,
    ! [SV36: $i] :
      ( ( ~ ( ( SV36 != empty_set )
            | ! [SY229: $i] :
                ~ ( in @ SY229 @ SV36 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[879]) ).

thf(942,plain,
    ! [SV36: $i] :
      ( ( ~ ( ~ ! [SY230: $i] :
                  ~ ( in @ SY230 @ SV36 )
            | ( SV36 = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[879]) ).

thf(943,plain,
    ! [SV37: $i] :
      ( ( ( meet_semilatt_str @ SV37 )
        = $false )
      | ( ( one_sorted_str @ SV37 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[880]) ).

thf(944,plain,
    ! [SV107: $i,SV38: $i,SV86: $i] :
      ( ( ~ ~ ( ~ ( element @ SV86 @ ( powerset @ SV38 ) )
              | ~ ( element @ SV107 @ ( powerset @ SV38 ) ) )
        | ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[881]) ).

thf(945,plain,
    ! [SV39: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV39 )
              | ~ ( one_sorted_str @ SV39 ) ) )
        = $false )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[882]) ).

thf(946,plain,
    ! [SV40: $i] :
      ( ( ( top_str @ SV40 )
        = $false )
      | ( ( one_sorted_str @ SV40 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[883]) ).

thf(947,plain,
    ! [SV41: $i,SV87: $i] :
      ( ( ( ~ ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) ) )
        = $true )
      | ( ( ! [SY304: $i] :
              ( ~ ( element @ SY304 @ ( powerset @ ( powerset @ SV41 ) ) )
              | ~ ( ~ ( ( SY304
                       != ( complements_of_subsets @ SV41 @ SV87 ) )
                      | ! [SY305: $i] :
                          ( ~ ( element @ SY305 @ ( powerset @ SV41 ) )
                          | ~ ( ~ ( ~ ( in @ SY305 @ SY304 )
                                  | ( in @ ( subset_complement @ SV41 @ SY305 ) @ SV87 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY305 ) @ SV87 )
                                  | ( in @ SY305 @ SY304 ) ) ) ) )
                  | ~ ( ~ ! [SY306: $i] :
                            ( ~ ( element @ SY306 @ ( powerset @ SV41 ) )
                            | ~ ( ~ ( ~ ( in @ SY306 @ SY304 )
                                    | ( in @ ( subset_complement @ SV41 @ SY306 ) @ SV87 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY306 ) @ SV87 )
                                    | ( in @ SY306 @ SY304 ) ) ) )
                      | ( SY304
                        = ( complements_of_subsets @ SV41 @ SV87 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[884]) ).

thf(948,plain,
    ! [SV42: $i] :
      ( ( ~ ! [SY329: $i] :
              ~ ( ~ ( ~ ( in @ SY329 @ ( sK6_SY237 @ SV42 ) )
                    | ~ ( ~ ( in @ SY329 @ SV42 )
                        | ~ ( ordinal @ SY329 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY329 @ SV42 )
                          | ~ ( ordinal @ SY329 ) )
                    | ( in @ SY329 @ ( sK6_SY237 @ SV42 ) ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[885]) ).

thf(949,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( empty @ SV43 ) )
        = $false )
      | ( ( ~ ! [SY239: $i] :
                ~ ~ ( ~ ( element @ SY239 @ ( powerset @ SV43 ) )
                    | ~ ~ ( empty @ SY239 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[886]) ).

thf(950,plain,
    ! [SV44: $i] :
      ( ( ~ ~ ( ~ ( element @ ( sK7_SY240 @ SV44 ) @ ( powerset @ SV44 ) )
              | ~ ( empty @ ( sK7_SY240 @ SV44 ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[887]) ).

thf(951,plain,
    ! [SV45: $i] :
      ( ( ( ordinal @ SV45 )
        = $false )
      | ( ( ! [SY241: $i] :
              ( ~ ( ordinal @ SY241 )
              | ~ ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SY241 )
                          | ~ ( ( SV45 != SY241 ) ) )
                    | ~ ~ ( in @ SY241 @ SV45 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[888]) ).

thf(952,plain,
    ! [SV46: $i] :
      ( ( ( ! [SX1: $i,SX2: $i,SX3: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ( SX1 != SX2 )
                                | ~ ( ordinal @ SX2 ) )
                          | ( SX1 != SX3 ) )
                    | ~ ( ordinal @ SX3 ) )
              | ( SX2 = SX3 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[889]) ).

thf(953,plain,
    ! [SV108: $i,SV47: $i,SV88: $i] :
      ( ( ~ ~ ( ~ ( element @ SV88 @ ( powerset @ SV47 ) )
              | ~ ( element @ SV108 @ ( powerset @ SV47 ) ) )
        | ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[890]) ).

thf(954,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ~ ( ~ ( ( SV109
                 != ( unordered_pair @ SV48 @ SV89 ) )
                | ! [SY330: $i] :
                    ~ ( ~ ( ~ ( in @ SY330 @ SV109 )
                          | ( SY330 = SV48 )
                          | ( SY330 = SV89 ) )
                      | ~ ( ~ ( ( SY330 = SV48 )
                              | ( SY330 = SV89 ) )
                          | ( in @ SY330 @ SV109 ) ) ) )
            | ~ ( ~ ! [SY331: $i] :
                      ~ ( ~ ( ~ ( in @ SY331 @ SV109 )
                            | ( SY331 = SV48 )
                            | ( SY331 = SV89 ) )
                        | ~ ( ~ ( ( SY331 = SV48 )
                                | ( SY331 = SV89 ) )
                            | ( in @ SY331 @ SV109 ) ) )
                | ( SV109
                  = ( unordered_pair @ SV48 @ SV89 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[891]) ).

thf(955,plain,
    ( ( ~ ( element @ sK4_SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[892]) ).

thf(956,plain,
    ( ( ! [SY311: $i] :
          ( ~ ( element @ SY311 @ ( the_carrier @ sK1_A ) )
          | ~ ( ~ ( ~ ( in @ SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
                  | ~ ( in @ SY311 @ sK4_SX0 ) )
              | ~ ( ~ ~ ( in @ SY311 @ sK4_SX0 )
                  | ( in @ SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[892]) ).

thf(957,plain,
    ! [SV49: $i] :
      ( ( ( join_semilatt_str @ SV49 )
        = $false )
      | ( ( one_sorted_str @ SV49 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[893]) ).

thf(958,plain,
    ! [SV50: $i] :
      ( ( ( one_sorted_str @ SV50 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV50 )
          = ( the_carrier @ SV50 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[894]) ).

thf(959,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ~ ( ~ ( ( SV110
                 != ( set_intersection2 @ SV51 @ SV90 ) )
                | ! [SY332: $i] :
                    ~ ( ~ ( ~ ( in @ SY332 @ SV110 )
                          | ~ ( ~ ( in @ SY332 @ SV51 )
                              | ~ ( in @ SY332 @ SV90 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY332 @ SV51 )
                                | ~ ( in @ SY332 @ SV90 ) )
                          | ( in @ SY332 @ SV110 ) ) ) )
            | ~ ( ~ ! [SY333: $i] :
                      ~ ( ~ ( ~ ( in @ SY333 @ SV110 )
                            | ~ ( ~ ( in @ SY333 @ SV51 )
                                | ~ ( in @ SY333 @ SV90 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY333 @ SV51 )
                                  | ~ ( in @ SY333 @ SV90 ) )
                            | ( in @ SY333 @ SV110 ) ) )
                | ( SV110
                  = ( set_intersection2 @ SV51 @ SV90 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[895]) ).

thf(960,plain,
    ! [SV91: $i,SV52: $i] :
      ( ( ( ~ ( in @ SV52 @ SV91 ) )
        = $true )
      | ( ( ~ ( in @ SV91 @ SV52 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[896]) ).

thf(961,plain,
    ! [SV53: $i,SV92: $i] :
      ( ( ( ~ ( element @ SV92 @ ( powerset @ ( powerset @ SV53 ) ) ) )
        = $true )
      | ( ( element @ ( union_of_subsets @ SV53 @ SV92 ) @ ( powerset @ SV53 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[897]) ).

thf(962,plain,
    ! [SV54: $i,SV93: $i] :
      ( ( ( ~ ( element @ SV93 @ ( powerset @ ( powerset @ SV54 ) ) ) )
        = $true )
      | ( ( element @ ( complements_of_subsets @ SV54 @ SV93 ) @ ( powerset @ ( powerset @ SV54 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[898]) ).

thf(963,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ~ ( ( SV94
             != ( powerset @ SV55 ) )
            | ! [SY315: $i] :
                ~ ( ~ ( ~ ( in @ SY315 @ SV94 )
                      | ( subset @ SY315 @ SV55 ) )
                  | ~ ( ~ ( subset @ SY315 @ SV55 )
                      | ( in @ SY315 @ SV94 ) ) ) )
        | ~ ( ~ ! [SY316: $i] :
                  ~ ( ~ ( ~ ( in @ SY316 @ SV94 )
                        | ( subset @ SY316 @ SV55 ) )
                    | ~ ( ~ ( subset @ SY316 @ SV55 )
                        | ( in @ SY316 @ SV94 ) ) )
            | ( SV94
              = ( powerset @ SV55 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[899]) ).

thf(964,plain,
    ! [SV95: $i,SV56: $i] :
      ( ( ( ~ ( in @ SV56 @ SV95 ) )
        = $true )
      | ( ( element @ SV56 @ SV95 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[900]) ).

thf(965,plain,
    ! [SV57: $i,SV96: $i] :
      ( ( ( ~ ( element @ SV96 @ ( powerset @ SV57 ) ) )
        = $true )
      | ( ( ! [SY317: $i] :
              ( ~ ( in @ SY317 @ SV96 )
              | ( in @ SY317 @ SV57 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[901]) ).

thf(966,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ~ ( ~ ( ( SV111
                 != ( set_difference @ SV58 @ SV97 ) )
                | ! [SY334: $i] :
                    ~ ( ~ ( ~ ( in @ SY334 @ SV111 )
                          | ~ ( ~ ( in @ SY334 @ SV58 )
                              | ~ ~ ( in @ SY334 @ SV97 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY334 @ SV58 )
                                | ~ ~ ( in @ SY334 @ SV97 ) )
                          | ( in @ SY334 @ SV111 ) ) ) )
            | ~ ( ~ ! [SY335: $i] :
                      ~ ( ~ ( ~ ( in @ SY335 @ SV111 )
                            | ~ ( ~ ( in @ SY335 @ SV58 )
                                | ~ ~ ( in @ SY335 @ SV97 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY335 @ SV58 )
                                  | ~ ~ ( in @ SY335 @ SV97 ) )
                            | ( in @ SY335 @ SV111 ) ) )
                | ( SV111
                  = ( set_difference @ SV58 @ SV97 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[902]) ).

thf(967,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ~ ( ~ ( ( SV112
                 != ( set_union2 @ SV59 @ SV98 ) )
                | ! [SY336: $i] :
                    ~ ( ~ ( ~ ( in @ SY336 @ SV112 )
                          | ( in @ SY336 @ SV59 )
                          | ( in @ SY336 @ SV98 ) )
                      | ~ ( ~ ( ( in @ SY336 @ SV59 )
                              | ( in @ SY336 @ SV98 ) )
                          | ( in @ SY336 @ SV112 ) ) ) )
            | ~ ( ~ ! [SY337: $i] :
                      ~ ( ~ ( ~ ( in @ SY337 @ SV112 )
                            | ( in @ SY337 @ SV59 )
                            | ( in @ SY337 @ SV98 ) )
                        | ~ ( ~ ( ( in @ SY337 @ SV59 )
                                | ( in @ SY337 @ SV98 ) )
                            | ( in @ SY337 @ SV112 ) ) )
                | ( SV112
                  = ( set_union2 @ SV59 @ SV98 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[903]) ).

thf(968,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ~ ( ( SV99
             != ( singleton @ SV60 ) )
            | ! [SY324: $i] :
                ~ ( ~ ( ~ ( in @ SY324 @ SV99 )
                      | ( SY324 = SV60 ) )
                  | ~ ( ( SY324 != SV60 )
                      | ( in @ SY324 @ SV99 ) ) ) )
        | ~ ( ~ ! [SY325: $i] :
                  ~ ( ~ ( ~ ( in @ SY325 @ SV99 )
                        | ( SY325 = SV60 ) )
                    | ~ ( ( SY325 != SV60 )
                        | ( in @ SY325 @ SV99 ) ) )
            | ( SV99
              = ( singleton @ SV60 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[904]) ).

thf(969,plain,
    ! [SV61: $i] :
      ( ( ( one_sorted_str @ SV61 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV61 )
          = ( the_carrier @ SV61 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[905]) ).

thf(970,plain,
    ! [SV62: $i] :
      ( ( ( one_sorted_str @ SV62 )
        = $false )
      | ( ( element @ ( cast_as_carrier_subset @ SV62 ) @ ( powerset @ ( the_carrier @ SV62 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[906]) ).

thf(971,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ~ ( in @ SV5 @ SV63 )
        | ~ ! [SY279: $i] :
              ~ ~ ( ~ ( in @ SY279 @ SV63 )
                  | ~ ! [SY280: $i] :
                        ~ ~ ( ~ ( in @ SY280 @ SV63 )
                            | ~ ( in @ SY280 @ SY279 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[907]) ).

thf(972,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ~ ( ~ ~ ( empty @ SV6 )
            | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                    | ( in @ SV64 @ SV6 ) )
                | ~ ( ~ ( in @ SV64 @ SV6 )
                    | ( element @ SV64 @ SV6 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[908]) ).

thf(973,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ~ ( ~ ( empty @ SV6 )
            | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                    | ( empty @ SV64 ) )
                | ~ ( ~ ( empty @ SV64 )
                    | ( element @ SV64 @ SV6 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[908]) ).

thf(974,plain,
    ! [SV7: $i,SV65: $i] :
      ( ( ( element @ SV65 @ ( powerset @ SV7 ) )
        = $false )
      | ( ( ( subset_complement @ SV7 @ SV65 )
          = ( set_difference @ SV7 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[909]) ).

thf(975,plain,
    ! [SV66: $i,SV8: $i] :
      ( ( ( ! [SY281: $i] :
              ~ ( ~ ( ~ ( in @ SY281 @ SV8 )
                    | ( in @ SY281 @ SV66 ) )
                | ~ ( ~ ( in @ SY281 @ SV66 )
                    | ( in @ SY281 @ SV8 ) ) ) )
        = $false )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[910]) ).

thf(976,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ~ ( ~ ( subset @ SV9 @ SV67 )
            | ! [SY282: $i] :
                ( ~ ( in @ SY282 @ SV9 )
                | ( in @ SY282 @ SV67 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[911]) ).

thf(977,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ~ ( ~ ! [SY283: $i] :
                  ( ~ ( in @ SY283 @ SV9 )
                  | ( in @ SY283 @ SV67 ) )
            | ( subset @ SV9 @ SV67 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[911]) ).

thf(978,plain,
    ! [SV100: $i,SV68: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV10 @ SV68 )
                | ~ ( element @ SV68 @ ( powerset @ SV100 ) ) ) )
        = $true )
      | ( ( element @ SV10 @ SV100 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[912]) ).

thf(979,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV11 @ SV69 )
                  | ~ ( in @ SV69 @ SV101 ) )
            | ~ ( in @ SV101 @ SV11 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[913]) ).

thf(980,plain,
    ! [SV12: $i] :
      ( ( ~ ( epsilon_connected @ SV12 )
        | ! [SY179: $i,SY180: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY179 @ SV12 )
                                  | ~ ( in @ SY180 @ SV12 ) )
                            | ~ ~ ( in @ SY179 @ SY180 ) )
                      | ~ ( ( SY179 != SY180 ) ) )
                | ~ ~ ( in @ SY180 @ SY179 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[914]) ).

thf(981,plain,
    ! [SV12: $i] :
      ( ( ~ ! [SY181: $i,SY182: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY181 @ SV12 )
                                    | ~ ( in @ SY182 @ SV12 ) )
                              | ~ ~ ( in @ SY181 @ SY182 ) )
                        | ~ ( ( SY181 != SY182 ) ) )
                  | ~ ~ ( in @ SY182 @ SY181 ) )
        | ( epsilon_connected @ SV12 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[915]) ).

thf(982,plain,
    ! [SV13: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV13 )
          | ~ ( one_sorted_str @ SV13 ) )
        = $true )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[916]) ).

thf(983,plain,
    ! [SV14: $i] :
      ( ( ( SV14 = empty_set )
        = $true )
      | ( ( ! [SY184: $i] :
              ( ~ ( element @ SY184 @ ( powerset @ SV14 ) )
              | ! [SY185: $i] :
                  ( ~ ( element @ SY185 @ SV14 )
                  | ~ ~ ( in @ SY185 @ SY184 )
                  | ( in @ SY185 @ ( subset_complement @ SV14 @ SY184 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[917]) ).

thf(984,plain,
    ! [SV70: $i,SV15: $i,SV102: $i] :
      ( ( ( ~ ( element @ SV102 @ ( powerset @ SV15 ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
                | ~ ( in @ SV70 @ SV102 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[918]) ).

thf(985,plain,
    ! [SV16: $i,SV71: $i] :
      ( ( ( element @ SV71 @ ( powerset @ ( powerset @ SV16 ) ) )
        = $false )
      | ( ( ( complements_of_subsets @ SV16 @ ( complements_of_subsets @ SV16 @ SV71 ) )
          = SV71 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[919]) ).

thf(986,plain,
    ! [SV72: $i,SV17: $i] :
      ( ( ( element @ SV17 @ SV72 )
        = $false )
      | ( ( ( empty @ SV72 )
          | ( in @ SV17 @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[920]) ).

thf(987,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY338: $i,SY339: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                                | ( SY338
                                 != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                          | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
                    | ( SY339
                     != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
              | ( SY338 = SY339 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[921]) ).

thf(988,plain,
    ! [SV19: $i,SV73: $i] :
      ( ( ( element @ SV73 @ ( powerset @ ( powerset @ SV19 ) ) )
        = $false )
      | ( ( element @ ( meet_of_subsets @ SV19 @ SV73 ) @ ( powerset @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[922]) ).

thf(989,plain,
    ! [SV103: $i,SV20: $i,SV74: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV74 @ ( powerset @ SV20 ) )
                | ~ ( element @ SV103 @ ( powerset @ SV20 ) ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[923]) ).

thf(990,plain,
    ! [SV104: $i,SV21: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV75 @ ( powerset @ SV21 ) )
                | ~ ( element @ SV104 @ ( powerset @ SV21 ) ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[924]) ).

thf(991,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ~ ( ~ ~ ( disjoint @ SV22 @ SV76 )
                | ~ ! [SY289: $i] :
                      ~ ~ ( ~ ( in @ SY289 @ SV22 )
                          | ~ ( in @ SY289 @ SV76 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[926]) ).

thf(992,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ~ ( ~ ~ ! [SY290: $i] :
                        ~ ~ ( ~ ( in @ SY290 @ SV22 )
                            | ~ ( in @ SY290 @ SV76 ) )
                | ~ ( disjoint @ SV22 @ SV76 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[926]) ).

thf(993,plain,
    ! [SV23: $i,SV113: $i] :
      ( ( ( ~ ( element @ SV113 @ ( powerset @ SV23 ) )
          | ( v1_membered @ SV113 ) )
        = $true )
      | ( ( v1_membered @ SV23 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[927]) ).

thf(994,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ~ ( in @ SV25 @ SV77 )
        | ~ ( empty @ SV77 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[929]) ).

thf(995,plain,
    ! [SV26: $i,SV78: $i] :
      ( ( ( element @ SV78 @ ( powerset @ SV26 ) )
        = $false )
      | ( ( element @ ( subset_complement @ SV26 @ SV78 ) @ ( powerset @ SV26 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[930]) ).

thf(996,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV27 @ SV79 )
                  | ~ ( element @ SV79 @ ( powerset @ SV105 ) ) )
            | ~ ( empty @ SV105 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[931]) ).

thf(997,plain,
    ! [SV28: $i,SV80: $i] :
      ( ( ( element @ SV80 @ ( powerset @ SV28 ) )
        = $false )
      | ( ( ( subset_complement @ SV28 @ ( subset_complement @ SV28 @ SV80 ) )
          = SV80 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[932]) ).

thf(998,plain,
    ! [SV29: $i] :
      ( ( element @ ( sK5_SY211 @ SV29 ) @ SV29 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[933]) ).

thf(999,plain,
    ( ( ~ ( one_sorted_str @ sK3_SX0 )
      | ~ ~ ( empty_carrier @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[934]) ).

thf(1000,plain,
    ! [SV30: $i,SV114: $i] :
      ( ( ( ~ ( element @ SV114 @ ( powerset @ SV30 ) )
          | ( finite @ SV114 ) )
        = $true )
      | ( ( finite @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[935]) ).

thf(1001,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ~ ( ~ ( element @ SV31 @ ( powerset @ SV81 ) )
            | ( subset @ SV31 @ SV81 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[936]) ).

thf(1002,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ~ ( ~ ( subset @ SV31 @ SV81 )
            | ( element @ SV31 @ ( powerset @ SV81 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[936]) ).

thf(1003,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ~ ( ( SV82
             != ( union @ SV32 ) )
            | ! [SY292: $i] :
                ~ ( ~ ( ~ ( in @ SY292 @ SV82 )
                      | ~ ! [SY216: $i] :
                            ~ ~ ( ~ ( in @ SY292 @ SY216 )
                                | ~ ( in @ SY216 @ SV32 ) ) )
                  | ~ ( ~ ~ ! [SY217: $i] :
                              ~ ~ ( ~ ( in @ SY292 @ SY217 )
                                  | ~ ( in @ SY217 @ SV32 ) )
                      | ( in @ SY292 @ SV82 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[937]) ).

thf(1004,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ~ ( ~ ! [SY295: $i] :
                  ~ ( ~ ( ~ ( in @ SY295 @ SV82 )
                        | ~ ! [SY219: $i] :
                              ~ ~ ( ~ ( in @ SY295 @ SY219 )
                                  | ~ ( in @ SY219 @ SV32 ) ) )
                    | ~ ( ~ ~ ! [SY220: $i] :
                                ~ ~ ( ~ ( in @ SY295 @ SY220 )
                                    | ~ ( in @ SY220 @ SV32 ) )
                        | ( in @ SY295 @ SV82 ) ) )
            | ( SV82
              = ( union @ SV32 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[937]) ).

thf(1005,plain,
    ! [SV33: $i,SV83: $i] :
      ( ( ( ordinal @ SV83 )
        = $false )
      | ( ( ~ ( in @ SV33 @ SV83 )
          | ( ordinal @ SV33 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[938]) ).

thf(1006,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ~ ( ~ ( ( SV115
                 != ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
                | ! [SY340: $i] :
                    ~ ( ~ ( ~ ( in @ SY340 @ SV115 )
                          | ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                      | ~ ( ( SY340 != SV84 ) ) )
                                | ~ ( ( SY340 != SV106 ) ) ) )
                      | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                        | ~ ( ( SY340 != SV84 ) ) )
                                  | ~ ( ( SY340 != SV106 ) ) )
                          | ( in @ SY340 @ SV115 ) ) ) )
            | ~ ( ~ ! [SY341: $i] :
                      ~ ( ~ ( ~ ( in @ SY341 @ SV115 )
                            | ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                        | ~ ( ( SY341 != SV84 ) ) )
                                  | ~ ( ( SY341 != SV106 ) ) ) )
                        | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                          | ~ ( ( SY341 != SV84 ) ) )
                                    | ~ ( ( SY341 != SV106 ) ) )
                            | ( in @ SY341 @ SV115 ) ) )
                | ( SV115
                  = ( unordered_triple @ SV34 @ SV84 @ SV106 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[939]) ).

thf(1007,plain,
    ! [SV85: $i,SV35: $i] :
      ( ( ( ! [SY302: $i] :
              ( ~ ( in @ SY302 @ SV35 )
              | ( in @ SY302 @ SV85 ) ) )
        = $false )
      | ( ( element @ SV35 @ ( powerset @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[940]) ).

thf(1008,plain,
    ! [SV36: $i] :
      ( ( ( SV36 != empty_set )
        | ! [SY229: $i] :
            ~ ( in @ SY229 @ SV36 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[941]) ).

thf(1009,plain,
    ! [SV36: $i] :
      ( ( ~ ! [SY230: $i] :
              ~ ( in @ SY230 @ SV36 )
        | ( SV36 = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[942]) ).

thf(1010,plain,
    ! [SV107: $i,SV38: $i,SV86: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV86 @ ( powerset @ SV38 ) )
                | ~ ( element @ SV107 @ ( powerset @ SV38 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[944]) ).

thf(1011,plain,
    ! [SV39: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV39 )
          | ~ ( one_sorted_str @ SV39 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[945]) ).

thf(1012,plain,
    ! [SV41: $i,SV87: $i] :
      ( ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( ! [SY304: $i] :
              ( ~ ( element @ SY304 @ ( powerset @ ( powerset @ SV41 ) ) )
              | ~ ( ~ ( ( SY304
                       != ( complements_of_subsets @ SV41 @ SV87 ) )
                      | ! [SY305: $i] :
                          ( ~ ( element @ SY305 @ ( powerset @ SV41 ) )
                          | ~ ( ~ ( ~ ( in @ SY305 @ SY304 )
                                  | ( in @ ( subset_complement @ SV41 @ SY305 ) @ SV87 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY305 ) @ SV87 )
                                  | ( in @ SY305 @ SY304 ) ) ) ) )
                  | ~ ( ~ ! [SY306: $i] :
                            ( ~ ( element @ SY306 @ ( powerset @ SV41 ) )
                            | ~ ( ~ ( ~ ( in @ SY306 @ SY304 )
                                    | ( in @ ( subset_complement @ SV41 @ SY306 ) @ SV87 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY306 ) @ SV87 )
                                    | ( in @ SY306 @ SY304 ) ) ) )
                      | ( SY304
                        = ( complements_of_subsets @ SV41 @ SV87 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[947]) ).

thf(1013,plain,
    ! [SV42: $i] :
      ( ( ! [SY329: $i] :
            ~ ( ~ ( ~ ( in @ SY329 @ ( sK6_SY237 @ SV42 ) )
                  | ~ ( ~ ( in @ SY329 @ SV42 )
                      | ~ ( ordinal @ SY329 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SY329 @ SV42 )
                        | ~ ( ordinal @ SY329 ) )
                  | ( in @ SY329 @ ( sK6_SY237 @ SV42 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[948]) ).

thf(1014,plain,
    ! [SV43: $i] :
      ( ( ( empty @ SV43 )
        = $true )
      | ( ( ~ ! [SY239: $i] :
                ~ ~ ( ~ ( element @ SY239 @ ( powerset @ SV43 ) )
                    | ~ ~ ( empty @ SY239 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[949]) ).

thf(1015,plain,
    ! [SV44: $i] :
      ( ( ~ ( ~ ( element @ ( sK7_SY240 @ SV44 ) @ ( powerset @ SV44 ) )
            | ~ ( empty @ ( sK7_SY240 @ SV44 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[950]) ).

thf(1016,plain,
    ! [SV45: $i,SV116: $i] :
      ( ( ( ~ ( ordinal @ SV116 )
          | ~ ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SV116 )
                      | ~ ( ( SV45 != SV116 ) ) )
                | ~ ~ ( in @ SV116 @ SV45 ) ) )
        = $true )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[951]) ).

thf(1017,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY342: $i,SY343: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                                 != SY342 )
                                | ~ ( ordinal @ SY342 ) )
                          | ( ( sK9_SX1 @ SV46 )
                           != SY343 ) )
                    | ~ ( ordinal @ SY343 ) )
              | ( SY342 = SY343 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[952]) ).

thf(1018,plain,
    ! [SV108: $i,SV47: $i,SV88: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV88 @ ( powerset @ SV47 ) )
                | ~ ( element @ SV108 @ ( powerset @ SV47 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[953]) ).

thf(1019,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ~ ( ( SV109
             != ( unordered_pair @ SV48 @ SV89 ) )
            | ! [SY330: $i] :
                ~ ( ~ ( ~ ( in @ SY330 @ SV109 )
                      | ( SY330 = SV48 )
                      | ( SY330 = SV89 ) )
                  | ~ ( ~ ( ( SY330 = SV48 )
                          | ( SY330 = SV89 ) )
                      | ( in @ SY330 @ SV109 ) ) ) )
        | ~ ( ~ ! [SY331: $i] :
                  ~ ( ~ ( ~ ( in @ SY331 @ SV109 )
                        | ( SY331 = SV48 )
                        | ( SY331 = SV89 ) )
                    | ~ ( ~ ( ( SY331 = SV48 )
                            | ( SY331 = SV89 ) )
                        | ( in @ SY331 @ SV109 ) ) )
            | ( SV109
              = ( unordered_pair @ SV48 @ SV89 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[954]) ).

thf(1020,plain,
    ( ( element @ sK4_SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[955]) ).

thf(1021,plain,
    ( ( ~ ( element @ sK10_SY311 @ ( the_carrier @ sK1_A ) )
      | ~ ( ~ ( ~ ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
              | ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
          | ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
              | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[956]) ).

thf(1022,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ~ ( ( SV110
             != ( set_intersection2 @ SV51 @ SV90 ) )
            | ! [SY332: $i] :
                ~ ( ~ ( ~ ( in @ SY332 @ SV110 )
                      | ~ ( ~ ( in @ SY332 @ SV51 )
                          | ~ ( in @ SY332 @ SV90 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY332 @ SV51 )
                            | ~ ( in @ SY332 @ SV90 ) )
                      | ( in @ SY332 @ SV110 ) ) ) )
        | ~ ( ~ ! [SY333: $i] :
                  ~ ( ~ ( ~ ( in @ SY333 @ SV110 )
                        | ~ ( ~ ( in @ SY333 @ SV51 )
                            | ~ ( in @ SY333 @ SV90 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY333 @ SV51 )
                              | ~ ( in @ SY333 @ SV90 ) )
                        | ( in @ SY333 @ SV110 ) ) )
            | ( SV110
              = ( set_intersection2 @ SV51 @ SV90 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[959]) ).

thf(1023,plain,
    ! [SV91: $i,SV52: $i] :
      ( ( ( in @ SV52 @ SV91 )
        = $false )
      | ( ( ~ ( in @ SV91 @ SV52 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[960]) ).

thf(1024,plain,
    ! [SV53: $i,SV92: $i] :
      ( ( ( element @ SV92 @ ( powerset @ ( powerset @ SV53 ) ) )
        = $false )
      | ( ( element @ ( union_of_subsets @ SV53 @ SV92 ) @ ( powerset @ SV53 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[961]) ).

thf(1025,plain,
    ! [SV54: $i,SV93: $i] :
      ( ( ( element @ SV93 @ ( powerset @ ( powerset @ SV54 ) ) )
        = $false )
      | ( ( element @ ( complements_of_subsets @ SV54 @ SV93 ) @ ( powerset @ ( powerset @ SV54 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[962]) ).

thf(1026,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ~ ( ( SV94
             != ( powerset @ SV55 ) )
            | ! [SY315: $i] :
                ~ ( ~ ( ~ ( in @ SY315 @ SV94 )
                      | ( subset @ SY315 @ SV55 ) )
                  | ~ ( ~ ( subset @ SY315 @ SV55 )
                      | ( in @ SY315 @ SV94 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[963]) ).

thf(1027,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ~ ( ~ ! [SY316: $i] :
                  ~ ( ~ ( ~ ( in @ SY316 @ SV94 )
                        | ( subset @ SY316 @ SV55 ) )
                    | ~ ( ~ ( subset @ SY316 @ SV55 )
                        | ( in @ SY316 @ SV94 ) ) )
            | ( SV94
              = ( powerset @ SV55 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[963]) ).

thf(1028,plain,
    ! [SV95: $i,SV56: $i] :
      ( ( ( in @ SV56 @ SV95 )
        = $false )
      | ( ( element @ SV56 @ SV95 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[964]) ).

thf(1029,plain,
    ! [SV57: $i,SV96: $i] :
      ( ( ( element @ SV96 @ ( powerset @ SV57 ) )
        = $false )
      | ( ( ! [SY317: $i] :
              ( ~ ( in @ SY317 @ SV96 )
              | ( in @ SY317 @ SV57 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[965]) ).

thf(1030,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ~ ( ( SV111
             != ( set_difference @ SV58 @ SV97 ) )
            | ! [SY334: $i] :
                ~ ( ~ ( ~ ( in @ SY334 @ SV111 )
                      | ~ ( ~ ( in @ SY334 @ SV58 )
                          | ~ ~ ( in @ SY334 @ SV97 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY334 @ SV58 )
                            | ~ ~ ( in @ SY334 @ SV97 ) )
                      | ( in @ SY334 @ SV111 ) ) ) )
        | ~ ( ~ ! [SY335: $i] :
                  ~ ( ~ ( ~ ( in @ SY335 @ SV111 )
                        | ~ ( ~ ( in @ SY335 @ SV58 )
                            | ~ ~ ( in @ SY335 @ SV97 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY335 @ SV58 )
                              | ~ ~ ( in @ SY335 @ SV97 ) )
                        | ( in @ SY335 @ SV111 ) ) )
            | ( SV111
              = ( set_difference @ SV58 @ SV97 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[966]) ).

thf(1031,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ~ ( ( SV112
             != ( set_union2 @ SV59 @ SV98 ) )
            | ! [SY336: $i] :
                ~ ( ~ ( ~ ( in @ SY336 @ SV112 )
                      | ( in @ SY336 @ SV59 )
                      | ( in @ SY336 @ SV98 ) )
                  | ~ ( ~ ( ( in @ SY336 @ SV59 )
                          | ( in @ SY336 @ SV98 ) )
                      | ( in @ SY336 @ SV112 ) ) ) )
        | ~ ( ~ ! [SY337: $i] :
                  ~ ( ~ ( ~ ( in @ SY337 @ SV112 )
                        | ( in @ SY337 @ SV59 )
                        | ( in @ SY337 @ SV98 ) )
                    | ~ ( ~ ( ( in @ SY337 @ SV59 )
                            | ( in @ SY337 @ SV98 ) )
                        | ( in @ SY337 @ SV112 ) ) )
            | ( SV112
              = ( set_union2 @ SV59 @ SV98 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[967]) ).

thf(1032,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ~ ( ( SV99
             != ( singleton @ SV60 ) )
            | ! [SY324: $i] :
                ~ ( ~ ( ~ ( in @ SY324 @ SV99 )
                      | ( SY324 = SV60 ) )
                  | ~ ( ( SY324 != SV60 )
                      | ( in @ SY324 @ SV99 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[968]) ).

thf(1033,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ~ ( ~ ! [SY325: $i] :
                  ~ ( ~ ( ~ ( in @ SY325 @ SV99 )
                        | ( SY325 = SV60 ) )
                    | ~ ( ( SY325 != SV60 )
                        | ( in @ SY325 @ SV99 ) ) )
            | ( SV99
              = ( singleton @ SV60 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[968]) ).

thf(1034,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( ~ ( in @ SV5 @ SV63 ) )
        = $true )
      | ( ( ~ ! [SY279: $i] :
                ~ ~ ( ~ ( in @ SY279 @ SV63 )
                    | ~ ! [SY280: $i] :
                          ~ ~ ( ~ ( in @ SY280 @ SV63 )
                              | ~ ( in @ SY280 @ SY279 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[971]) ).

thf(1035,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ~ ~ ( empty @ SV6 )
        | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                | ( in @ SV64 @ SV6 ) )
            | ~ ( ~ ( in @ SV64 @ SV6 )
                | ( element @ SV64 @ SV6 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[972]) ).

thf(1036,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ~ ( empty @ SV6 )
        | ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                | ( empty @ SV64 ) )
            | ~ ( ~ ( empty @ SV64 )
                | ( element @ SV64 @ SV6 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[973]) ).

thf(1037,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
                  | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 ) )
              | ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
                  | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) ) )
        = $false )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[975]) ).

thf(1038,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ~ ( subset @ SV9 @ SV67 )
        | ! [SY282: $i] :
            ( ~ ( in @ SY282 @ SV9 )
            | ( in @ SY282 @ SV67 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[976]) ).

thf(1039,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ~ ! [SY283: $i] :
              ( ~ ( in @ SY283 @ SV9 )
              | ( in @ SY283 @ SV67 ) )
        | ( subset @ SV9 @ SV67 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[977]) ).

thf(1040,plain,
    ! [SV100: $i,SV68: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( in @ SV10 @ SV68 )
              | ~ ( element @ SV68 @ ( powerset @ SV100 ) ) ) )
        = $false )
      | ( ( element @ SV10 @ SV100 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[978]) ).

thf(1041,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ~ ~ ( ~ ( in @ SV11 @ SV69 )
              | ~ ( in @ SV69 @ SV101 ) )
        | ~ ( in @ SV101 @ SV11 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[979]) ).

thf(1042,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( epsilon_connected @ SV12 ) )
        = $true )
      | ( ( ! [SY179: $i,SY180: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY179 @ SV12 )
                                    | ~ ( in @ SY180 @ SV12 ) )
                              | ~ ~ ( in @ SY179 @ SY180 ) )
                        | ~ ( ( SY179 != SY180 ) ) )
                  | ~ ~ ( in @ SY180 @ SY179 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[980]) ).

thf(1043,plain,
    ! [SV12: $i] :
      ( ( ( ~ ! [SY181: $i,SY182: $i] :
                ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY181 @ SV12 )
                                      | ~ ( in @ SY182 @ SV12 ) )
                                | ~ ~ ( in @ SY181 @ SY182 ) )
                          | ~ ( ( SY181 != SY182 ) ) )
                    | ~ ~ ( in @ SY182 @ SY181 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[981]) ).

thf(1044,plain,
    ! [SV13: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV13 ) )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV13 ) )
        = $true )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[982]) ).

thf(1045,plain,
    ! [SV14: $i,SV117: $i] :
      ( ( ( ~ ( element @ SV117 @ ( powerset @ SV14 ) )
          | ! [SY344: $i] :
              ( ~ ( element @ SY344 @ SV14 )
              | ~ ~ ( in @ SY344 @ SV117 )
              | ( in @ SY344 @ ( subset_complement @ SV14 @ SV117 ) ) ) )
        = $true )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[983]) ).

thf(1046,plain,
    ! [SV70: $i,SV15: $i,SV102: $i] :
      ( ( ( element @ SV102 @ ( powerset @ SV15 ) )
        = $false )
      | ( ( ~ ~ ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
                | ~ ( in @ SV70 @ SV102 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[984]) ).

thf(1047,plain,
    ! [SV17: $i,SV72: $i] :
      ( ( ( empty @ SV72 )
        = $true )
      | ( ( in @ SV17 @ SV72 )
        = $true )
      | ( ( element @ SV17 @ SV72 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[986]) ).

thf(1048,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY345: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                                | ( ( sK12_SY338 @ SV18 )
                                 != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                          | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
                    | ( SY345
                     != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
              | ( ( sK12_SY338 @ SV18 )
                = SY345 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[987]) ).

thf(1049,plain,
    ! [SV103: $i,SV20: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( element @ SV74 @ ( powerset @ SV20 ) )
              | ~ ( element @ SV103 @ ( powerset @ SV20 ) ) ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[989]) ).

thf(1050,plain,
    ! [SV104: $i,SV21: $i,SV75: $i] :
      ( ( ( ~ ( ~ ( element @ SV75 @ ( powerset @ SV21 ) )
              | ~ ( element @ SV104 @ ( powerset @ SV21 ) ) ) )
        = $false )
      | ( ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[990]) ).

thf(1051,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ( ~ ~ ( disjoint @ SV22 @ SV76 )
              | ~ ! [SY289: $i] :
                    ~ ~ ( ~ ( in @ SY289 @ SV22 )
                        | ~ ( in @ SY289 @ SV76 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[991]) ).

thf(1052,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ( ~ ~ ! [SY290: $i] :
                      ~ ~ ( ~ ( in @ SY290 @ SV22 )
                          | ~ ( in @ SY290 @ SV76 ) )
              | ~ ( disjoint @ SV22 @ SV76 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[992]) ).

thf(1053,plain,
    ! [SV23: $i,SV113: $i] :
      ( ( ( ~ ( element @ SV113 @ ( powerset @ SV23 ) ) )
        = $true )
      | ( ( v1_membered @ SV113 )
        = $true )
      | ( ( v1_membered @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[993]) ).

thf(1054,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV77 ) )
        = $true )
      | ( ( ~ ( empty @ SV77 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[994]) ).

thf(1055,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ~ ~ ( ~ ( in @ SV27 @ SV79 )
              | ~ ( element @ SV79 @ ( powerset @ SV105 ) ) )
        | ~ ( empty @ SV105 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[996]) ).

thf(1056,plain,
    ( ( ~ ( one_sorted_str @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[999]) ).

thf(1057,plain,
    ( ( ~ ~ ( empty_carrier @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[999]) ).

thf(1058,plain,
    ! [SV30: $i,SV114: $i] :
      ( ( ( ~ ( element @ SV114 @ ( powerset @ SV30 ) ) )
        = $true )
      | ( ( finite @ SV114 )
        = $true )
      | ( ( finite @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1000]) ).

thf(1059,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ~ ( element @ SV31 @ ( powerset @ SV81 ) )
        | ( subset @ SV31 @ SV81 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1001]) ).

thf(1060,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ~ ( subset @ SV31 @ SV81 )
        | ( element @ SV31 @ ( powerset @ SV81 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1002]) ).

thf(1061,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( SV82
         != ( union @ SV32 ) )
        | ! [SY292: $i] :
            ~ ( ~ ( ~ ( in @ SY292 @ SV82 )
                  | ~ ! [SY216: $i] :
                        ~ ~ ( ~ ( in @ SY292 @ SY216 )
                            | ~ ( in @ SY216 @ SV32 ) ) )
              | ~ ( ~ ~ ! [SY217: $i] :
                          ~ ~ ( ~ ( in @ SY292 @ SY217 )
                              | ~ ( in @ SY217 @ SV32 ) )
                  | ( in @ SY292 @ SV82 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1003]) ).

thf(1062,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ~ ! [SY295: $i] :
              ~ ( ~ ( ~ ( in @ SY295 @ SV82 )
                    | ~ ! [SY219: $i] :
                          ~ ~ ( ~ ( in @ SY295 @ SY219 )
                              | ~ ( in @ SY219 @ SV32 ) ) )
                | ~ ( ~ ~ ! [SY220: $i] :
                            ~ ~ ( ~ ( in @ SY295 @ SY220 )
                                | ~ ( in @ SY220 @ SV32 ) )
                    | ( in @ SY295 @ SV82 ) ) )
        | ( SV82
          = ( union @ SV32 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1004]) ).

thf(1063,plain,
    ! [SV83: $i,SV33: $i] :
      ( ( ( ~ ( in @ SV33 @ SV83 ) )
        = $true )
      | ( ( ordinal @ SV33 )
        = $true )
      | ( ( ordinal @ SV83 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1005]) ).

thf(1064,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ~ ( ( SV115
             != ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
            | ! [SY340: $i] :
                ~ ( ~ ( ~ ( in @ SY340 @ SV115 )
                      | ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                  | ~ ( ( SY340 != SV84 ) ) )
                            | ~ ( ( SY340 != SV106 ) ) ) )
                  | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                    | ~ ( ( SY340 != SV84 ) ) )
                              | ~ ( ( SY340 != SV106 ) ) )
                      | ( in @ SY340 @ SV115 ) ) ) )
        | ~ ( ~ ! [SY341: $i] :
                  ~ ( ~ ( ~ ( in @ SY341 @ SV115 )
                        | ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                    | ~ ( ( SY341 != SV84 ) ) )
                              | ~ ( ( SY341 != SV106 ) ) ) )
                    | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                      | ~ ( ( SY341 != SV84 ) ) )
                                | ~ ( ( SY341 != SV106 ) ) )
                        | ( in @ SY341 @ SV115 ) ) )
            | ( SV115
              = ( unordered_triple @ SV34 @ SV84 @ SV106 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1006]) ).

thf(1065,plain,
    ! [SV35: $i,SV85: $i] :
      ( ( ( ~ ( in @ ( sK13_SY302 @ SV85 @ SV35 ) @ SV35 )
          | ( in @ ( sK13_SY302 @ SV85 @ SV35 ) @ SV85 ) )
        = $false )
      | ( ( element @ SV35 @ ( powerset @ SV85 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1007]) ).

thf(1066,plain,
    ! [SV36: $i] :
      ( ( ( SV36 != empty_set )
        = $true )
      | ( ( ! [SY229: $i] :
              ~ ( in @ SY229 @ SV36 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1008]) ).

thf(1067,plain,
    ! [SV36: $i] :
      ( ( ( ~ ! [SY230: $i] :
                ~ ( in @ SY230 @ SV36 ) )
        = $true )
      | ( ( SV36 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1009]) ).

thf(1068,plain,
    ! [SV107: $i,SV38: $i,SV86: $i] :
      ( ( ( ~ ( ~ ( element @ SV86 @ ( powerset @ SV38 ) )
              | ~ ( element @ SV107 @ ( powerset @ SV38 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1010]) ).

thf(1069,plain,
    ! [SV39: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV39 ) )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV39 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1011]) ).

thf(1070,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( ~ ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
          | ~ ( ~ ( ( SV118
                   != ( complements_of_subsets @ SV41 @ SV87 ) )
                  | ! [SY346: $i] :
                      ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
                      | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                              | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                          | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                              | ( in @ SY346 @ SV118 ) ) ) ) )
              | ~ ( ~ ! [SY347: $i] :
                        ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                        | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                                | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                                | ( in @ SY347 @ SV118 ) ) ) )
                  | ( SV118
                    = ( complements_of_subsets @ SV41 @ SV87 ) ) ) ) )
        = $true )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1012]) ).

thf(1071,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ~ ( ~ ( ~ ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
                | ~ ( ~ ( in @ SV119 @ SV42 )
                    | ~ ( ordinal @ SV119 ) ) )
            | ~ ( ~ ~ ( ~ ( in @ SV119 @ SV42 )
                      | ~ ( ordinal @ SV119 ) )
                | ( in @ SV119 @ ( sK6_SY237 @ SV42 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1013]) ).

thf(1072,plain,
    ! [SV43: $i] :
      ( ( ( ! [SY239: $i] :
              ~ ~ ( ~ ( element @ SY239 @ ( powerset @ SV43 ) )
                  | ~ ~ ( empty @ SY239 ) ) )
        = $false )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1014]) ).

thf(1073,plain,
    ! [SV44: $i] :
      ( ( ~ ( element @ ( sK7_SY240 @ SV44 ) @ ( powerset @ SV44 ) )
        | ~ ( empty @ ( sK7_SY240 @ SV44 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1015]) ).

thf(1074,plain,
    ! [SV45: $i,SV116: $i] :
      ( ( ( ~ ( ordinal @ SV116 ) )
        = $true )
      | ( ( ~ ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SV116 )
                      | ~ ( ( SV45 != SV116 ) ) )
                | ~ ~ ( in @ SV116 @ SV45 ) ) )
        = $true )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1016]) ).

thf(1075,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY348: $i] :
              ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                                 != ( sK14_SY342 @ SV46 ) )
                                | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
                          | ( ( sK9_SX1 @ SV46 )
                           != SY348 ) )
                    | ~ ( ordinal @ SY348 ) )
              | ( ( sK14_SY342 @ SV46 )
                = SY348 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1017]) ).

thf(1076,plain,
    ! [SV108: $i,SV47: $i,SV88: $i] :
      ( ( ( ~ ( ~ ( element @ SV88 @ ( powerset @ SV47 ) )
              | ~ ( element @ SV108 @ ( powerset @ SV47 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1018]) ).

thf(1077,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ~ ( ( SV109
             != ( unordered_pair @ SV48 @ SV89 ) )
            | ! [SY330: $i] :
                ~ ( ~ ( ~ ( in @ SY330 @ SV109 )
                      | ( SY330 = SV48 )
                      | ( SY330 = SV89 ) )
                  | ~ ( ~ ( ( SY330 = SV48 )
                          | ( SY330 = SV89 ) )
                      | ( in @ SY330 @ SV109 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1019]) ).

thf(1078,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ~ ( ~ ! [SY331: $i] :
                  ~ ( ~ ( ~ ( in @ SY331 @ SV109 )
                        | ( SY331 = SV48 )
                        | ( SY331 = SV89 ) )
                    | ~ ( ~ ( ( SY331 = SV48 )
                            | ( SY331 = SV89 ) )
                        | ( in @ SY331 @ SV109 ) ) )
            | ( SV109
              = ( unordered_pair @ SV48 @ SV89 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1019]) ).

thf(1079,plain,
    ( ( ~ ( element @ sK10_SY311 @ ( the_carrier @ sK1_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1021]) ).

thf(1080,plain,
    ( ( ~ ( ~ ( ~ ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
              | ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
          | ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
              | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1021]) ).

thf(1081,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ~ ( ( SV110
             != ( set_intersection2 @ SV51 @ SV90 ) )
            | ! [SY332: $i] :
                ~ ( ~ ( ~ ( in @ SY332 @ SV110 )
                      | ~ ( ~ ( in @ SY332 @ SV51 )
                          | ~ ( in @ SY332 @ SV90 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY332 @ SV51 )
                            | ~ ( in @ SY332 @ SV90 ) )
                      | ( in @ SY332 @ SV110 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1022]) ).

thf(1082,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ~ ( ~ ! [SY333: $i] :
                  ~ ( ~ ( ~ ( in @ SY333 @ SV110 )
                        | ~ ( ~ ( in @ SY333 @ SV51 )
                            | ~ ( in @ SY333 @ SV90 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY333 @ SV51 )
                              | ~ ( in @ SY333 @ SV90 ) )
                        | ( in @ SY333 @ SV110 ) ) )
            | ( SV110
              = ( set_intersection2 @ SV51 @ SV90 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1022]) ).

thf(1083,plain,
    ! [SV52: $i,SV91: $i] :
      ( ( ( in @ SV91 @ SV52 )
        = $false )
      | ( ( in @ SV52 @ SV91 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1023]) ).

thf(1084,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ( SV94
         != ( powerset @ SV55 ) )
        | ! [SY315: $i] :
            ~ ( ~ ( ~ ( in @ SY315 @ SV94 )
                  | ( subset @ SY315 @ SV55 ) )
              | ~ ( ~ ( subset @ SY315 @ SV55 )
                  | ( in @ SY315 @ SV94 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1026]) ).

thf(1085,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ~ ! [SY316: $i] :
              ~ ( ~ ( ~ ( in @ SY316 @ SV94 )
                    | ( subset @ SY316 @ SV55 ) )
                | ~ ( ~ ( subset @ SY316 @ SV55 )
                    | ( in @ SY316 @ SV94 ) ) )
        | ( SV94
          = ( powerset @ SV55 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1027]) ).

thf(1086,plain,
    ! [SV57: $i,SV96: $i,SV120: $i] :
      ( ( ( ~ ( in @ SV120 @ SV96 )
          | ( in @ SV120 @ SV57 ) )
        = $true )
      | ( ( element @ SV96 @ ( powerset @ SV57 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1029]) ).

thf(1087,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ~ ( ( SV111
             != ( set_difference @ SV58 @ SV97 ) )
            | ! [SY334: $i] :
                ~ ( ~ ( ~ ( in @ SY334 @ SV111 )
                      | ~ ( ~ ( in @ SY334 @ SV58 )
                          | ~ ~ ( in @ SY334 @ SV97 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY334 @ SV58 )
                            | ~ ~ ( in @ SY334 @ SV97 ) )
                      | ( in @ SY334 @ SV111 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1030]) ).

thf(1088,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ~ ( ~ ! [SY335: $i] :
                  ~ ( ~ ( ~ ( in @ SY335 @ SV111 )
                        | ~ ( ~ ( in @ SY335 @ SV58 )
                            | ~ ~ ( in @ SY335 @ SV97 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY335 @ SV58 )
                              | ~ ~ ( in @ SY335 @ SV97 ) )
                        | ( in @ SY335 @ SV111 ) ) )
            | ( SV111
              = ( set_difference @ SV58 @ SV97 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1030]) ).

thf(1089,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ~ ( ( SV112
             != ( set_union2 @ SV59 @ SV98 ) )
            | ! [SY336: $i] :
                ~ ( ~ ( ~ ( in @ SY336 @ SV112 )
                      | ( in @ SY336 @ SV59 )
                      | ( in @ SY336 @ SV98 ) )
                  | ~ ( ~ ( ( in @ SY336 @ SV59 )
                          | ( in @ SY336 @ SV98 ) )
                      | ( in @ SY336 @ SV112 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1031]) ).

thf(1090,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ~ ( ~ ! [SY337: $i] :
                  ~ ( ~ ( ~ ( in @ SY337 @ SV112 )
                        | ( in @ SY337 @ SV59 )
                        | ( in @ SY337 @ SV98 ) )
                    | ~ ( ~ ( ( in @ SY337 @ SV59 )
                            | ( in @ SY337 @ SV98 ) )
                        | ( in @ SY337 @ SV112 ) ) )
            | ( SV112
              = ( set_union2 @ SV59 @ SV98 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1031]) ).

thf(1091,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ( SV99
         != ( singleton @ SV60 ) )
        | ! [SY324: $i] :
            ~ ( ~ ( ~ ( in @ SY324 @ SV99 )
                  | ( SY324 = SV60 ) )
              | ~ ( ( SY324 != SV60 )
                  | ( in @ SY324 @ SV99 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1032]) ).

thf(1092,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ~ ! [SY325: $i] :
              ~ ( ~ ( ~ ( in @ SY325 @ SV99 )
                    | ( SY325 = SV60 ) )
                | ~ ( ( SY325 != SV60 )
                    | ( in @ SY325 @ SV99 ) ) )
        | ( SV99
          = ( singleton @ SV60 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1033]) ).

thf(1093,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( in @ SV5 @ SV63 )
        = $false )
      | ( ( ~ ! [SY279: $i] :
                ~ ~ ( ~ ( in @ SY279 @ SV63 )
                    | ~ ! [SY280: $i] :
                          ~ ~ ( ~ ( in @ SY280 @ SV63 )
                              | ~ ( in @ SY280 @ SY279 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1034]) ).

thf(1094,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ( ~ ~ ( empty @ SV6 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                  | ( in @ SV64 @ SV6 ) )
              | ~ ( ~ ( in @ SV64 @ SV6 )
                  | ( element @ SV64 @ SV6 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1035]) ).

thf(1095,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ( ~ ( empty @ SV6 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                  | ( empty @ SV64 ) )
              | ~ ( ~ ( empty @ SV64 )
                  | ( element @ SV64 @ SV6 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1036]) ).

thf(1096,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 ) )
          | ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1037]) ).

thf(1097,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ( ~ ( subset @ SV9 @ SV67 ) )
        = $true )
      | ( ( ! [SY282: $i] :
              ( ~ ( in @ SY282 @ SV9 )
              | ( in @ SY282 @ SV67 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1038]) ).

thf(1098,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ( ~ ! [SY283: $i] :
                ( ~ ( in @ SY283 @ SV9 )
                | ( in @ SY283 @ SV67 ) ) )
        = $true )
      | ( ( subset @ SV9 @ SV67 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1039]) ).

thf(1099,plain,
    ! [SV100: $i,SV68: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV68 )
          | ~ ( element @ SV68 @ ( powerset @ SV100 ) ) )
        = $true )
      | ( ( element @ SV10 @ SV100 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1040]) ).

thf(1100,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV11 @ SV69 )
                | ~ ( in @ SV69 @ SV101 ) ) )
        = $true )
      | ( ( ~ ( in @ SV101 @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1041]) ).

thf(1101,plain,
    ! [SV12: $i] :
      ( ( ( epsilon_connected @ SV12 )
        = $false )
      | ( ( ! [SY179: $i,SY180: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY179 @ SV12 )
                                    | ~ ( in @ SY180 @ SV12 ) )
                              | ~ ~ ( in @ SY179 @ SY180 ) )
                        | ~ ( ( SY179 != SY180 ) ) )
                  | ~ ~ ( in @ SY180 @ SY179 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1042]) ).

thf(1102,plain,
    ! [SV12: $i] :
      ( ( ( ! [SY181: $i,SY182: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SY181 @ SV12 )
                                    | ~ ( in @ SY182 @ SV12 ) )
                              | ~ ~ ( in @ SY181 @ SY182 ) )
                        | ~ ( ( SY181 != SY182 ) ) )
                  | ~ ~ ( in @ SY182 @ SY181 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1043]) ).

thf(1103,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( empty_carrier @ SV13 ) )
        = $false )
      | ( ( ~ ( one_sorted_str @ SV13 ) )
        = $true )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1044]) ).

thf(1104,plain,
    ! [SV14: $i,SV117: $i] :
      ( ( ( ~ ( element @ SV117 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( ! [SY344: $i] :
              ( ~ ( element @ SY344 @ SV14 )
              | ~ ~ ( in @ SY344 @ SV117 )
              | ( in @ SY344 @ ( subset_complement @ SV14 @ SV117 ) ) ) )
        = $true )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1045]) ).

thf(1105,plain,
    ! [SV102: $i,SV15: $i,SV70: $i] :
      ( ( ( ~ ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
              | ~ ( in @ SV70 @ SV102 ) ) )
        = $false )
      | ( ( element @ SV102 @ ( powerset @ SV15 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1046]) ).

thf(1106,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                            | ( ( sK12_SY338 @ SV18 )
                             != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                      | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
                | ( ( sK15_SY345 @ SV18 )
                 != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
          | ( ( sK12_SY338 @ SV18 )
            = ( sK15_SY345 @ SV18 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1048]) ).

thf(1107,plain,
    ! [SV103: $i,SV20: $i,SV74: $i] :
      ( ( ( ~ ( element @ SV74 @ ( powerset @ SV20 ) )
          | ~ ( element @ SV103 @ ( powerset @ SV20 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1049]) ).

thf(1108,plain,
    ! [SV104: $i,SV21: $i,SV75: $i] :
      ( ( ( ~ ( element @ SV75 @ ( powerset @ SV21 ) )
          | ~ ( element @ SV104 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1050]) ).

thf(1109,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ( ~ ~ ( disjoint @ SV22 @ SV76 )
            | ~ ! [SY289: $i] :
                  ~ ~ ( ~ ( in @ SY289 @ SV22 )
                      | ~ ( in @ SY289 @ SV76 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1051]) ).

thf(1110,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ( ~ ~ ! [SY290: $i] :
                    ~ ~ ( ~ ( in @ SY290 @ SV22 )
                        | ~ ( in @ SY290 @ SV76 ) )
            | ~ ( disjoint @ SV22 @ SV76 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1052]) ).

thf(1111,plain,
    ! [SV23: $i,SV113: $i] :
      ( ( ( element @ SV113 @ ( powerset @ SV23 ) )
        = $false )
      | ( ( v1_membered @ SV113 )
        = $true )
      | ( ( v1_membered @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1053]) ).

thf(1112,plain,
    ! [SV77: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV77 )
        = $false )
      | ( ( ~ ( empty @ SV77 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1054]) ).

thf(1113,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV27 @ SV79 )
                | ~ ( element @ SV79 @ ( powerset @ SV105 ) ) ) )
        = $true )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1055]) ).

thf(1114,plain,
    ( ( one_sorted_str @ sK3_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1056]) ).

thf(1115,plain,
    ( ( ~ ( empty_carrier @ sK3_SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1057]) ).

thf(1116,plain,
    ! [SV30: $i,SV114: $i] :
      ( ( ( element @ SV114 @ ( powerset @ SV30 ) )
        = $false )
      | ( ( finite @ SV114 )
        = $true )
      | ( ( finite @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1058]) ).

thf(1117,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ( ~ ( element @ SV31 @ ( powerset @ SV81 ) ) )
        = $true )
      | ( ( subset @ SV31 @ SV81 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1059]) ).

thf(1118,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ( ~ ( subset @ SV31 @ SV81 ) )
        = $true )
      | ( ( element @ SV31 @ ( powerset @ SV81 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1060]) ).

thf(1119,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( SV82
         != ( union @ SV32 ) )
        = $true )
      | ( ( ! [SY292: $i] :
              ~ ( ~ ( ~ ( in @ SY292 @ SV82 )
                    | ~ ! [SY216: $i] :
                          ~ ~ ( ~ ( in @ SY292 @ SY216 )
                              | ~ ( in @ SY216 @ SV32 ) ) )
                | ~ ( ~ ~ ! [SY217: $i] :
                            ~ ~ ( ~ ( in @ SY292 @ SY217 )
                                | ~ ( in @ SY217 @ SV32 ) )
                    | ( in @ SY292 @ SV82 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1061]) ).

thf(1120,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( ~ ! [SY295: $i] :
                ~ ( ~ ( ~ ( in @ SY295 @ SV82 )
                      | ~ ! [SY219: $i] :
                            ~ ~ ( ~ ( in @ SY295 @ SY219 )
                                | ~ ( in @ SY219 @ SV32 ) ) )
                  | ~ ( ~ ~ ! [SY220: $i] :
                              ~ ~ ( ~ ( in @ SY295 @ SY220 )
                                  | ~ ( in @ SY220 @ SV32 ) )
                      | ( in @ SY295 @ SV82 ) ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1062]) ).

thf(1121,plain,
    ! [SV83: $i,SV33: $i] :
      ( ( ( in @ SV33 @ SV83 )
        = $false )
      | ( ( ordinal @ SV33 )
        = $true )
      | ( ( ordinal @ SV83 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1063]) ).

thf(1122,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ~ ( ( SV115
             != ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
            | ! [SY340: $i] :
                ~ ( ~ ( ~ ( in @ SY340 @ SV115 )
                      | ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                  | ~ ( ( SY340 != SV84 ) ) )
                            | ~ ( ( SY340 != SV106 ) ) ) )
                  | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                    | ~ ( ( SY340 != SV84 ) ) )
                              | ~ ( ( SY340 != SV106 ) ) )
                      | ( in @ SY340 @ SV115 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1064]) ).

thf(1123,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ~ ( ~ ! [SY341: $i] :
                  ~ ( ~ ( ~ ( in @ SY341 @ SV115 )
                        | ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                    | ~ ( ( SY341 != SV84 ) ) )
                              | ~ ( ( SY341 != SV106 ) ) ) )
                    | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                      | ~ ( ( SY341 != SV84 ) ) )
                                | ~ ( ( SY341 != SV106 ) ) )
                        | ( in @ SY341 @ SV115 ) ) )
            | ( SV115
              = ( unordered_triple @ SV34 @ SV84 @ SV106 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1064]) ).

thf(1124,plain,
    ! [SV35: $i,SV85: $i] :
      ( ( ( ~ ( in @ ( sK13_SY302 @ SV85 @ SV35 ) @ SV35 ) )
        = $false )
      | ( ( element @ SV35 @ ( powerset @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1065]) ).

thf(1125,plain,
    ! [SV35: $i,SV85: $i] :
      ( ( ( in @ ( sK13_SY302 @ SV85 @ SV35 ) @ SV85 )
        = $false )
      | ( ( element @ SV35 @ ( powerset @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1065]) ).

thf(1126,plain,
    ! [SV36: $i] :
      ( ( ( SV36 = empty_set )
        = $false )
      | ( ( ! [SY229: $i] :
              ~ ( in @ SY229 @ SV36 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1066]) ).

thf(1127,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY230: $i] :
              ~ ( in @ SY230 @ SV36 ) )
        = $false )
      | ( ( SV36 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1067]) ).

thf(1128,plain,
    ! [SV107: $i,SV38: $i,SV86: $i] :
      ( ( ( ~ ( element @ SV86 @ ( powerset @ SV38 ) )
          | ~ ( element @ SV107 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1068]) ).

thf(1129,plain,
    ! [SV39: $i] :
      ( ( ( ~ ( empty_carrier @ SV39 ) )
        = $false )
      | ( ( ~ ( one_sorted_str @ SV39 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1069]) ).

thf(1130,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( ~ ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV118
                   != ( complements_of_subsets @ SV41 @ SV87 ) )
                  | ! [SY346: $i] :
                      ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
                      | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                              | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                          | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                              | ( in @ SY346 @ SV118 ) ) ) ) )
              | ~ ( ~ ! [SY347: $i] :
                        ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                        | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                                | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                                | ( in @ SY347 @ SV118 ) ) ) )
                  | ( SV118
                    = ( complements_of_subsets @ SV41 @ SV87 ) ) ) ) )
        = $true )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1070]) ).

thf(1131,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ~ ( ~ ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
            | ~ ( ~ ( in @ SV119 @ SV42 )
                | ~ ( ordinal @ SV119 ) ) )
        | ~ ( ~ ~ ( ~ ( in @ SV119 @ SV42 )
                  | ~ ( ordinal @ SV119 ) )
            | ( in @ SV119 @ ( sK6_SY237 @ SV42 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1071]) ).

thf(1132,plain,
    ! [SV43: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK16_SY239 @ SV43 ) @ ( powerset @ SV43 ) )
                | ~ ~ ( empty @ ( sK16_SY239 @ SV43 ) ) ) )
        = $false )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1072]) ).

thf(1133,plain,
    ! [SV44: $i] :
      ( ( ~ ( element @ ( sK7_SY240 @ SV44 ) @ ( powerset @ SV44 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1073]) ).

thf(1134,plain,
    ! [SV44: $i] :
      ( ( ~ ( empty @ ( sK7_SY240 @ SV44 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1073]) ).

thf(1135,plain,
    ! [SV45: $i,SV116: $i] :
      ( ( ( ordinal @ SV116 )
        = $false )
      | ( ( ~ ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SV116 )
                      | ~ ( ( SV45 != SV116 ) ) )
                | ~ ~ ( in @ SV116 @ SV45 ) ) )
        = $true )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1074]) ).

thf(1136,plain,
    ! [SV46: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                             != ( sK14_SY342 @ SV46 ) )
                            | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
                      | ( ( sK9_SX1 @ SV46 )
                       != ( sK17_SY348 @ SV46 ) ) )
                | ~ ( ordinal @ ( sK17_SY348 @ SV46 ) ) )
          | ( ( sK14_SY342 @ SV46 )
            = ( sK17_SY348 @ SV46 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1075]) ).

thf(1137,plain,
    ! [SV108: $i,SV47: $i,SV88: $i] :
      ( ( ( ~ ( element @ SV88 @ ( powerset @ SV47 ) )
          | ~ ( element @ SV108 @ ( powerset @ SV47 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1076]) ).

thf(1138,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ( SV109
         != ( unordered_pair @ SV48 @ SV89 ) )
        | ! [SY330: $i] :
            ~ ( ~ ( ~ ( in @ SY330 @ SV109 )
                  | ( SY330 = SV48 )
                  | ( SY330 = SV89 ) )
              | ~ ( ~ ( ( SY330 = SV48 )
                      | ( SY330 = SV89 ) )
                  | ( in @ SY330 @ SV109 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1077]) ).

thf(1139,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ~ ! [SY331: $i] :
              ~ ( ~ ( ~ ( in @ SY331 @ SV109 )
                    | ( SY331 = SV48 )
                    | ( SY331 = SV89 ) )
                | ~ ( ~ ( ( SY331 = SV48 )
                        | ( SY331 = SV89 ) )
                    | ( in @ SY331 @ SV109 ) ) )
        | ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1078]) ).

thf(1140,plain,
    ( ( element @ sK10_SY311 @ ( the_carrier @ sK1_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1079]) ).

thf(1141,plain,
    ( ( ~ ( ~ ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
          | ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      | ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
          | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1080]) ).

thf(1142,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ( SV110
         != ( set_intersection2 @ SV51 @ SV90 ) )
        | ! [SY332: $i] :
            ~ ( ~ ( ~ ( in @ SY332 @ SV110 )
                  | ~ ( ~ ( in @ SY332 @ SV51 )
                      | ~ ( in @ SY332 @ SV90 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SY332 @ SV51 )
                        | ~ ( in @ SY332 @ SV90 ) )
                  | ( in @ SY332 @ SV110 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1081]) ).

thf(1143,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ~ ! [SY333: $i] :
              ~ ( ~ ( ~ ( in @ SY333 @ SV110 )
                    | ~ ( ~ ( in @ SY333 @ SV51 )
                        | ~ ( in @ SY333 @ SV90 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY333 @ SV51 )
                          | ~ ( in @ SY333 @ SV90 ) )
                    | ( in @ SY333 @ SV110 ) ) )
        | ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1082]) ).

thf(1144,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ( SV94
         != ( powerset @ SV55 ) )
        = $true )
      | ( ( ! [SY315: $i] :
              ~ ( ~ ( ~ ( in @ SY315 @ SV94 )
                    | ( subset @ SY315 @ SV55 ) )
                | ~ ( ~ ( subset @ SY315 @ SV55 )
                    | ( in @ SY315 @ SV94 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1084]) ).

thf(1145,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ( ~ ! [SY316: $i] :
                ~ ( ~ ( ~ ( in @ SY316 @ SV94 )
                      | ( subset @ SY316 @ SV55 ) )
                  | ~ ( ~ ( subset @ SY316 @ SV55 )
                      | ( in @ SY316 @ SV94 ) ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1085]) ).

thf(1146,plain,
    ! [SV57: $i,SV96: $i,SV120: $i] :
      ( ( ( ~ ( in @ SV120 @ SV96 ) )
        = $true )
      | ( ( in @ SV120 @ SV57 )
        = $true )
      | ( ( element @ SV96 @ ( powerset @ SV57 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1086]) ).

thf(1147,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ( SV111
         != ( set_difference @ SV58 @ SV97 ) )
        | ! [SY334: $i] :
            ~ ( ~ ( ~ ( in @ SY334 @ SV111 )
                  | ~ ( ~ ( in @ SY334 @ SV58 )
                      | ~ ~ ( in @ SY334 @ SV97 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SY334 @ SV58 )
                        | ~ ~ ( in @ SY334 @ SV97 ) )
                  | ( in @ SY334 @ SV111 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1087]) ).

thf(1148,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ~ ! [SY335: $i] :
              ~ ( ~ ( ~ ( in @ SY335 @ SV111 )
                    | ~ ( ~ ( in @ SY335 @ SV58 )
                        | ~ ~ ( in @ SY335 @ SV97 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY335 @ SV58 )
                          | ~ ~ ( in @ SY335 @ SV97 ) )
                    | ( in @ SY335 @ SV111 ) ) )
        | ( SV111
          = ( set_difference @ SV58 @ SV97 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1088]) ).

thf(1149,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ( SV112
         != ( set_union2 @ SV59 @ SV98 ) )
        | ! [SY336: $i] :
            ~ ( ~ ( ~ ( in @ SY336 @ SV112 )
                  | ( in @ SY336 @ SV59 )
                  | ( in @ SY336 @ SV98 ) )
              | ~ ( ~ ( ( in @ SY336 @ SV59 )
                      | ( in @ SY336 @ SV98 ) )
                  | ( in @ SY336 @ SV112 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1089]) ).

thf(1150,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ~ ! [SY337: $i] :
              ~ ( ~ ( ~ ( in @ SY337 @ SV112 )
                    | ( in @ SY337 @ SV59 )
                    | ( in @ SY337 @ SV98 ) )
                | ~ ( ~ ( ( in @ SY337 @ SV59 )
                        | ( in @ SY337 @ SV98 ) )
                    | ( in @ SY337 @ SV112 ) ) )
        | ( SV112
          = ( set_union2 @ SV59 @ SV98 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1090]) ).

thf(1151,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ( SV99
         != ( singleton @ SV60 ) )
        = $true )
      | ( ( ! [SY324: $i] :
              ~ ( ~ ( ~ ( in @ SY324 @ SV99 )
                    | ( SY324 = SV60 ) )
                | ~ ( ( SY324 != SV60 )
                    | ( in @ SY324 @ SV99 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1091]) ).

thf(1152,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ( ~ ! [SY325: $i] :
                ~ ( ~ ( ~ ( in @ SY325 @ SV99 )
                      | ( SY325 = SV60 ) )
                  | ~ ( ( SY325 != SV60 )
                      | ( in @ SY325 @ SV99 ) ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1092]) ).

thf(1153,plain,
    ! [SV5: $i,SV63: $i] :
      ( ( ( ! [SY279: $i] :
              ~ ~ ( ~ ( in @ SY279 @ SV63 )
                  | ~ ! [SY280: $i] :
                        ~ ~ ( ~ ( in @ SY280 @ SV63 )
                            | ~ ( in @ SY280 @ SY279 ) ) ) )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1093]) ).

thf(1154,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ( ~ ( empty @ SV6 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                  | ( in @ SV64 @ SV6 ) )
              | ~ ( ~ ( in @ SV64 @ SV6 )
                  | ( element @ SV64 @ SV6 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1094]) ).

thf(1155,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ( empty @ SV6 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                  | ( empty @ SV64 ) )
              | ~ ( ~ ( empty @ SV64 )
                  | ( element @ SV64 @ SV6 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1095]) ).

thf(1156,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1096]) ).

thf(1157,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ( subset @ SV9 @ SV67 )
        = $false )
      | ( ( ! [SY282: $i] :
              ( ~ ( in @ SY282 @ SV9 )
              | ( in @ SY282 @ SV67 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1097]) ).

thf(1158,plain,
    ! [SV67: $i,SV9: $i] :
      ( ( ( ! [SY283: $i] :
              ( ~ ( in @ SY283 @ SV9 )
              | ( in @ SY283 @ SV67 ) ) )
        = $false )
      | ( ( subset @ SV9 @ SV67 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1098]) ).

thf(1159,plain,
    ! [SV100: $i,SV68: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV68 ) )
        = $true )
      | ( ( ~ ( element @ SV68 @ ( powerset @ SV100 ) ) )
        = $true )
      | ( ( element @ SV10 @ SV100 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1099]) ).

thf(1160,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( in @ SV11 @ SV69 )
              | ~ ( in @ SV69 @ SV101 ) ) )
        = $false )
      | ( ( ~ ( in @ SV101 @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1100]) ).

thf(1161,plain,
    ! [SV12: $i,SV121: $i] :
      ( ( ( ! [SY349: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                                    | ~ ( in @ SY349 @ SV12 ) )
                              | ~ ~ ( in @ SV121 @ SY349 ) )
                        | ~ ( ( SV121 != SY349 ) ) )
                  | ~ ~ ( in @ SY349 @ SV121 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1101]) ).

thf(1162,plain,
    ! [SV12: $i] :
      ( ( ( ! [SY350: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                                    | ~ ( in @ SY350 @ SV12 ) )
                              | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ SY350 ) )
                        | ~ ( ( ( sK18_SY181 @ SV12 )
                             != SY350 ) ) )
                  | ~ ~ ( in @ SY350 @ ( sK18_SY181 @ SV12 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1102]) ).

thf(1163,plain,
    ! [SV13: $i] :
      ( ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV13 ) )
        = $true )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1103]) ).

thf(1164,plain,
    ! [SV14: $i,SV117: $i] :
      ( ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( ! [SY344: $i] :
              ( ~ ( element @ SY344 @ SV14 )
              | ~ ~ ( in @ SY344 @ SV117 )
              | ( in @ SY344 @ ( subset_complement @ SV14 @ SV117 ) ) ) )
        = $true )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1104]) ).

thf(1165,plain,
    ! [SV102: $i,SV15: $i,SV70: $i] :
      ( ( ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
          | ~ ( in @ SV70 @ SV102 ) )
        = $true )
      | ( ( element @ SV102 @ ( powerset @ SV15 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1105]) ).

thf(1166,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                            | ( ( sK12_SY338 @ SV18 )
                             != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                      | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
                | ( ( sK15_SY345 @ SV18 )
                 != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1106]) ).

thf(1167,plain,
    ! [SV18: $i] :
      ( ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1106]) ).

thf(1168,plain,
    ! [SV103: $i,SV20: $i,SV74: $i] :
      ( ( ( ~ ( element @ SV74 @ ( powerset @ SV20 ) ) )
        = $true )
      | ( ( ~ ( element @ SV103 @ ( powerset @ SV20 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1107]) ).

thf(1169,plain,
    ! [SV104: $i,SV21: $i,SV75: $i] :
      ( ( ( ~ ( element @ SV75 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( ~ ( element @ SV104 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1108]) ).

thf(1170,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ( disjoint @ SV22 @ SV76 )
        | ~ ! [SY289: $i] :
              ~ ~ ( ~ ( in @ SY289 @ SV22 )
                  | ~ ( in @ SY289 @ SV76 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1109]) ).

thf(1171,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ~ ~ ! [SY290: $i] :
                ~ ~ ( ~ ( in @ SY290 @ SV22 )
                    | ~ ( in @ SY290 @ SV76 ) )
        | ~ ( disjoint @ SV22 @ SV76 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1110]) ).

thf(1172,plain,
    ! [SV25: $i,SV77: $i] :
      ( ( ( empty @ SV77 )
        = $false )
      | ( ( in @ SV25 @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1112]) ).

thf(1173,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( ~ ( in @ SV27 @ SV79 )
              | ~ ( element @ SV79 @ ( powerset @ SV105 ) ) ) )
        = $false )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1113]) ).

thf(1174,plain,
    ( ( empty_carrier @ sK3_SX0 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1115]) ).

thf(1175,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ( element @ SV31 @ ( powerset @ SV81 ) )
        = $false )
      | ( ( subset @ SV31 @ SV81 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1117]) ).

thf(1176,plain,
    ! [SV81: $i,SV31: $i] :
      ( ( ( subset @ SV31 @ SV81 )
        = $false )
      | ( ( element @ SV31 @ ( powerset @ SV81 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1118]) ).

thf(1177,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( SV82
          = ( union @ SV32 ) )
        = $false )
      | ( ( ! [SY292: $i] :
              ~ ( ~ ( ~ ( in @ SY292 @ SV82 )
                    | ~ ! [SY216: $i] :
                          ~ ~ ( ~ ( in @ SY292 @ SY216 )
                              | ~ ( in @ SY216 @ SV32 ) ) )
                | ~ ( ~ ~ ! [SY217: $i] :
                            ~ ~ ( ~ ( in @ SY292 @ SY217 )
                                | ~ ( in @ SY217 @ SV32 ) )
                    | ( in @ SY292 @ SV82 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1119]) ).

thf(1178,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( ! [SY295: $i] :
              ~ ( ~ ( ~ ( in @ SY295 @ SV82 )
                    | ~ ! [SY219: $i] :
                          ~ ~ ( ~ ( in @ SY295 @ SY219 )
                              | ~ ( in @ SY219 @ SV32 ) ) )
                | ~ ( ~ ~ ! [SY220: $i] :
                            ~ ~ ( ~ ( in @ SY295 @ SY220 )
                                | ~ ( in @ SY220 @ SV32 ) )
                    | ( in @ SY295 @ SV82 ) ) ) )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1120]) ).

thf(1179,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ( SV115
         != ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        | ! [SY340: $i] :
            ~ ( ~ ( ~ ( in @ SY340 @ SV115 )
                  | ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                              | ~ ( ( SY340 != SV84 ) ) )
                        | ~ ( ( SY340 != SV106 ) ) ) )
              | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                | ~ ( ( SY340 != SV84 ) ) )
                          | ~ ( ( SY340 != SV106 ) ) )
                  | ( in @ SY340 @ SV115 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1122]) ).

thf(1180,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ~ ! [SY341: $i] :
              ~ ( ~ ( ~ ( in @ SY341 @ SV115 )
                    | ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                | ~ ( ( SY341 != SV84 ) ) )
                          | ~ ( ( SY341 != SV106 ) ) ) )
                | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                  | ~ ( ( SY341 != SV84 ) ) )
                            | ~ ( ( SY341 != SV106 ) ) )
                    | ( in @ SY341 @ SV115 ) ) )
        | ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1123]) ).

thf(1181,plain,
    ! [SV35: $i,SV85: $i] :
      ( ( ( in @ ( sK13_SY302 @ SV85 @ SV35 ) @ SV35 )
        = $true )
      | ( ( element @ SV35 @ ( powerset @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1124]) ).

thf(1182,plain,
    ! [SV36: $i,SV122: $i] :
      ( ( ( ~ ( in @ SV122 @ SV36 ) )
        = $true )
      | ( ( SV36 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1126]) ).

thf(1183,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( in @ ( sK19_SY230 @ SV36 ) @ SV36 ) )
        = $false )
      | ( ( SV36 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1127]) ).

thf(1184,plain,
    ! [SV107: $i,SV38: $i,SV86: $i] :
      ( ( ( ~ ( element @ SV86 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( ~ ( element @ SV107 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1128]) ).

thf(1185,plain,
    ! [SV39: $i] :
      ( ( ( empty_carrier @ SV39 )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV39 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1129]) ).

thf(1186,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( ~ ( ~ ( ( SV118
                   != ( complements_of_subsets @ SV41 @ SV87 ) )
                  | ! [SY346: $i] :
                      ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
                      | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                              | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                          | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                              | ( in @ SY346 @ SV118 ) ) ) ) )
              | ~ ( ~ ! [SY347: $i] :
                        ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                        | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                                | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                                | ( in @ SY347 @ SV118 ) ) ) )
                  | ( SV118
                    = ( complements_of_subsets @ SV41 @ SV87 ) ) ) ) )
        = $true )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1130]) ).

thf(1187,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ~ ( ~ ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
            | ~ ( ~ ( in @ SV119 @ SV42 )
                | ~ ( ordinal @ SV119 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1131]) ).

thf(1188,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV119 @ SV42 )
                  | ~ ( ordinal @ SV119 ) )
            | ( in @ SV119 @ ( sK6_SY237 @ SV42 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1131]) ).

thf(1189,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK16_SY239 @ SV43 ) @ ( powerset @ SV43 ) )
              | ~ ~ ( empty @ ( sK16_SY239 @ SV43 ) ) ) )
        = $true )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1132]) ).

thf(1190,plain,
    ! [SV44: $i] :
      ( ( element @ ( sK7_SY240 @ SV44 ) @ ( powerset @ SV44 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1133]) ).

thf(1191,plain,
    ! [SV44: $i] :
      ( ( empty @ ( sK7_SY240 @ SV44 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1134]) ).

thf(1192,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( in @ SV45 @ SV116 )
                    | ~ ( ( SV45 != SV116 ) ) )
              | ~ ~ ( in @ SV116 @ SV45 ) ) )
        = $false )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1135]) ).

thf(1193,plain,
    ! [SV46: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                             != ( sK14_SY342 @ SV46 ) )
                            | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
                      | ( ( sK9_SX1 @ SV46 )
                       != ( sK17_SY348 @ SV46 ) ) )
                | ~ ( ordinal @ ( sK17_SY348 @ SV46 ) ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1136]) ).

thf(1194,plain,
    ! [SV46: $i] :
      ( ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1136]) ).

thf(1195,plain,
    ! [SV108: $i,SV47: $i,SV88: $i] :
      ( ( ( ~ ( element @ SV88 @ ( powerset @ SV47 ) ) )
        = $true )
      | ( ( ~ ( element @ SV108 @ ( powerset @ SV47 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1137]) ).

thf(1196,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ( SV109
         != ( unordered_pair @ SV48 @ SV89 ) )
        = $true )
      | ( ( ! [SY330: $i] :
              ~ ( ~ ( ~ ( in @ SY330 @ SV109 )
                    | ( SY330 = SV48 )
                    | ( SY330 = SV89 ) )
                | ~ ( ~ ( ( SY330 = SV48 )
                        | ( SY330 = SV89 ) )
                    | ( in @ SY330 @ SV109 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1138]) ).

thf(1197,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ( ~ ! [SY331: $i] :
                ~ ( ~ ( ~ ( in @ SY331 @ SV109 )
                      | ( SY331 = SV48 )
                      | ( SY331 = SV89 ) )
                  | ~ ( ~ ( ( SY331 = SV48 )
                          | ( SY331 = SV89 ) )
                      | ( in @ SY331 @ SV109 ) ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1139]) ).

thf(1198,plain,
    ( ( ( ~ ( ~ ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
            | ~ ( in @ sK10_SY311 @ sK4_SX0 ) ) )
      = $true )
    | ( ( ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
            | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1141]) ).

thf(1199,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ( SV110
         != ( set_intersection2 @ SV51 @ SV90 ) )
        = $true )
      | ( ( ! [SY332: $i] :
              ~ ( ~ ( ~ ( in @ SY332 @ SV110 )
                    | ~ ( ~ ( in @ SY332 @ SV51 )
                        | ~ ( in @ SY332 @ SV90 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY332 @ SV51 )
                          | ~ ( in @ SY332 @ SV90 ) )
                    | ( in @ SY332 @ SV110 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1142]) ).

thf(1200,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ( ~ ! [SY333: $i] :
                ~ ( ~ ( ~ ( in @ SY333 @ SV110 )
                      | ~ ( ~ ( in @ SY333 @ SV51 )
                          | ~ ( in @ SY333 @ SV90 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY333 @ SV51 )
                            | ~ ( in @ SY333 @ SV90 ) )
                      | ( in @ SY333 @ SV110 ) ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1143]) ).

thf(1201,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ( SV94
          = ( powerset @ SV55 ) )
        = $false )
      | ( ( ! [SY315: $i] :
              ~ ( ~ ( ~ ( in @ SY315 @ SV94 )
                    | ( subset @ SY315 @ SV55 ) )
                | ~ ( ~ ( subset @ SY315 @ SV55 )
                    | ( in @ SY315 @ SV94 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1144]) ).

thf(1202,plain,
    ! [SV55: $i,SV94: $i] :
      ( ( ( ! [SY316: $i] :
              ~ ( ~ ( ~ ( in @ SY316 @ SV94 )
                    | ( subset @ SY316 @ SV55 ) )
                | ~ ( ~ ( subset @ SY316 @ SV55 )
                    | ( in @ SY316 @ SV94 ) ) ) )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1145]) ).

thf(1203,plain,
    ! [SV57: $i,SV96: $i,SV120: $i] :
      ( ( ( in @ SV120 @ SV96 )
        = $false )
      | ( ( in @ SV120 @ SV57 )
        = $true )
      | ( ( element @ SV96 @ ( powerset @ SV57 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1146]) ).

thf(1204,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ( SV111
         != ( set_difference @ SV58 @ SV97 ) )
        = $true )
      | ( ( ! [SY334: $i] :
              ~ ( ~ ( ~ ( in @ SY334 @ SV111 )
                    | ~ ( ~ ( in @ SY334 @ SV58 )
                        | ~ ~ ( in @ SY334 @ SV97 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY334 @ SV58 )
                          | ~ ~ ( in @ SY334 @ SV97 ) )
                    | ( in @ SY334 @ SV111 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1147]) ).

thf(1205,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ( ~ ! [SY335: $i] :
                ~ ( ~ ( ~ ( in @ SY335 @ SV111 )
                      | ~ ( ~ ( in @ SY335 @ SV58 )
                          | ~ ~ ( in @ SY335 @ SV97 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY335 @ SV58 )
                            | ~ ~ ( in @ SY335 @ SV97 ) )
                      | ( in @ SY335 @ SV111 ) ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1148]) ).

thf(1206,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ( SV112
         != ( set_union2 @ SV59 @ SV98 ) )
        = $true )
      | ( ( ! [SY336: $i] :
              ~ ( ~ ( ~ ( in @ SY336 @ SV112 )
                    | ( in @ SY336 @ SV59 )
                    | ( in @ SY336 @ SV98 ) )
                | ~ ( ~ ( ( in @ SY336 @ SV59 )
                        | ( in @ SY336 @ SV98 ) )
                    | ( in @ SY336 @ SV112 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1149]) ).

thf(1207,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ( ~ ! [SY337: $i] :
                ~ ( ~ ( ~ ( in @ SY337 @ SV112 )
                      | ( in @ SY337 @ SV59 )
                      | ( in @ SY337 @ SV98 ) )
                  | ~ ( ~ ( ( in @ SY337 @ SV59 )
                          | ( in @ SY337 @ SV98 ) )
                      | ( in @ SY337 @ SV112 ) ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1150]) ).

thf(1208,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ( SV99
          = ( singleton @ SV60 ) )
        = $false )
      | ( ( ! [SY324: $i] :
              ~ ( ~ ( ~ ( in @ SY324 @ SV99 )
                    | ( SY324 = SV60 ) )
                | ~ ( ( SY324 != SV60 )
                    | ( in @ SY324 @ SV99 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1151]) ).

thf(1209,plain,
    ! [SV60: $i,SV99: $i] :
      ( ( ( ! [SY325: $i] :
              ~ ( ~ ( ~ ( in @ SY325 @ SV99 )
                    | ( SY325 = SV60 ) )
                | ~ ( ( SY325 != SV60 )
                    | ( in @ SY325 @ SV99 ) ) ) )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1152]) ).

thf(1210,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK20_SY279 @ SV5 @ SV63 ) @ SV63 )
                | ~ ! [SY351: $i] :
                      ~ ~ ( ~ ( in @ SY351 @ SV63 )
                          | ~ ( in @ SY351 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) ) )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1153]) ).

thf(1211,plain,
    ! [SV64: $i,SV6: $i] :
      ( ( ( empty @ SV6 )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV64 @ SV6 )
                  | ( in @ SV64 @ SV6 ) )
              | ~ ( ~ ( in @ SV64 @ SV6 )
                  | ( element @ SV64 @ SV6 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1154]) ).

thf(1212,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( ~ ( element @ SV64 @ SV6 )
              | ( empty @ SV64 ) )
          | ~ ( ~ ( empty @ SV64 )
              | ( element @ SV64 @ SV6 ) ) )
        = $false )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1155]) ).

thf(1213,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
          | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1156]) ).

thf(1214,plain,
    ! [SV67: $i,SV9: $i,SV123: $i] :
      ( ( ( ~ ( in @ SV123 @ SV9 )
          | ( in @ SV123 @ SV67 ) )
        = $true )
      | ( ( subset @ SV9 @ SV67 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1157]) ).

thf(1215,plain,
    ! [SV9: $i,SV67: $i] :
      ( ( ( ~ ( in @ ( sK21_SY283 @ SV67 @ SV9 ) @ SV9 )
          | ( in @ ( sK21_SY283 @ SV67 @ SV9 ) @ SV67 ) )
        = $false )
      | ( ( subset @ SV9 @ SV67 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1158]) ).

thf(1216,plain,
    ! [SV100: $i,SV68: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV68 )
        = $false )
      | ( ( ~ ( element @ SV68 @ ( powerset @ SV100 ) ) )
        = $true )
      | ( ( element @ SV10 @ SV100 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1159]) ).

thf(1217,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( in @ SV11 @ SV69 )
          | ~ ( in @ SV69 @ SV101 ) )
        = $true )
      | ( ( ~ ( in @ SV101 @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1160]) ).

thf(1218,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                                  | ~ ( in @ SV124 @ SV12 ) )
                            | ~ ~ ( in @ SV121 @ SV124 ) )
                      | ~ ( ( SV121 != SV124 ) ) )
                | ~ ~ ( in @ SV124 @ SV121 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1161]) ).

thf(1219,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                                  | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                            | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
                      | ~ ( ( ( sK18_SY181 @ SV12 )
                           != ( sK22_SY350 @ SV12 ) ) ) )
                | ~ ~ ( in @ ( sK22_SY350 @ SV12 ) @ ( sK18_SY181 @ SV12 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1162]) ).

thf(1220,plain,
    ! [SV13: $i] :
      ( ( ( one_sorted_str @ SV13 )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( ~ ! [SY183: $i] :
                ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                    | ~ ~ ( empty @ SY183 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1163]) ).

thf(1221,plain,
    ! [SV117: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( element @ SV125 @ SV14 )
          | ~ ~ ( in @ SV125 @ SV117 )
          | ( in @ SV125 @ ( subset_complement @ SV14 @ SV117 ) ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1164]) ).

thf(1222,plain,
    ! [SV102: $i,SV15: $i,SV70: $i] :
      ( ( ( ~ ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) ) )
        = $true )
      | ( ( ~ ( in @ SV70 @ SV102 ) )
        = $true )
      | ( ( element @ SV102 @ ( powerset @ SV15 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1165]) ).

thf(1223,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                          | ( ( sK12_SY338 @ SV18 )
                           != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                    | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
              | ( ( sK15_SY345 @ SV18 )
               != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1166]) ).

thf(1224,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY193: $i] :
              ~ ! [SY194: $i] :
                  ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                        | ~ ! [SY195: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                        | ~ ( in @ SY195 @ SV18 ) )
                                  | ( SY194
                                   != ( singleton @ SY195 ) ) ) )
                    | ~ ( ~ ~ ! [SY196: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                          | ~ ( in @ SY196 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY196 ) ) )
                        | ( in @ SY194 @ SY193 ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1167]) ).

thf(1225,plain,
    ! [SV103: $i,SV20: $i,SV74: $i] :
      ( ( ( element @ SV74 @ ( powerset @ SV20 ) )
        = $false )
      | ( ( ~ ( element @ SV103 @ ( powerset @ SV20 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1168]) ).

thf(1226,plain,
    ! [SV104: $i,SV21: $i,SV75: $i] :
      ( ( ( element @ SV75 @ ( powerset @ SV21 ) )
        = $false )
      | ( ( ~ ( element @ SV104 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1169]) ).

thf(1227,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( ~ ~ ( disjoint @ SV22 @ SV76 ) )
        = $true )
      | ( ( ~ ! [SY289: $i] :
                ~ ~ ( ~ ( in @ SY289 @ SV22 )
                    | ~ ( in @ SY289 @ SV76 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1170]) ).

thf(1228,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( ~ ~ ! [SY290: $i] :
                  ~ ~ ( ~ ( in @ SY290 @ SV22 )
                      | ~ ( in @ SY290 @ SV76 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1171]) ).

thf(1229,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV79 )
          | ~ ( element @ SV79 @ ( powerset @ SV105 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1173]) ).

thf(1230,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV126 @ SV82 )
                  | ~ ! [SY352: $i] :
                        ~ ~ ( ~ ( in @ SV126 @ SY352 )
                            | ~ ( in @ SY352 @ SV32 ) ) )
              | ~ ( ~ ~ ! [SY353: $i] :
                          ~ ~ ( ~ ( in @ SV126 @ SY353 )
                              | ~ ( in @ SY353 @ SV32 ) )
                  | ( in @ SV126 @ SV82 ) ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1177]) ).

thf(1231,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
                  | ~ ! [SY354: $i] :
                        ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY354 )
                            | ~ ( in @ SY354 @ SV32 ) ) )
              | ~ ( ~ ~ ! [SY355: $i] :
                          ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                              | ~ ( in @ SY355 @ SV32 ) )
                  | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) ) )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1178]) ).

thf(1232,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ( SV115
         != ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true )
      | ( ( ! [SY340: $i] :
              ~ ( ~ ( ~ ( in @ SY340 @ SV115 )
                    | ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                | ~ ( ( SY340 != SV84 ) ) )
                          | ~ ( ( SY340 != SV106 ) ) ) )
                | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                  | ~ ( ( SY340 != SV84 ) ) )
                            | ~ ( ( SY340 != SV106 ) ) )
                    | ( in @ SY340 @ SV115 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1179]) ).

thf(1233,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ( ~ ! [SY341: $i] :
                ~ ( ~ ( ~ ( in @ SY341 @ SV115 )
                      | ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                  | ~ ( ( SY341 != SV84 ) ) )
                            | ~ ( ( SY341 != SV106 ) ) ) )
                  | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                    | ~ ( ( SY341 != SV84 ) ) )
                              | ~ ( ( SY341 != SV106 ) ) )
                      | ( in @ SY341 @ SV115 ) ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1180]) ).

thf(1234,plain,
    ! [SV36: $i,SV122: $i] :
      ( ( ( in @ SV122 @ SV36 )
        = $false )
      | ( ( SV36 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1182]) ).

thf(1235,plain,
    ! [SV36: $i] :
      ( ( ( in @ ( sK19_SY230 @ SV36 ) @ SV36 )
        = $true )
      | ( ( SV36 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1183]) ).

thf(1236,plain,
    ! [SV107: $i,SV38: $i,SV86: $i] :
      ( ( ( element @ SV86 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( ~ ( element @ SV107 @ ( powerset @ SV38 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1184]) ).

thf(1237,plain,
    ! [SV39: $i] :
      ( ( ( one_sorted_str @ SV39 )
        = $false )
      | ( ( empty_carrier @ SV39 )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV39 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1185]) ).

thf(1238,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( ~ ( ( SV118
               != ( complements_of_subsets @ SV41 @ SV87 ) )
              | ! [SY346: $i] :
                  ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
                  | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                          | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                      | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                          | ( in @ SY346 @ SV118 ) ) ) ) )
          | ~ ( ~ ! [SY347: $i] :
                    ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                    | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                            | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                        | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                            | ( in @ SY347 @ SV118 ) ) ) )
              | ( SV118
                = ( complements_of_subsets @ SV41 @ SV87 ) ) ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1186]) ).

thf(1239,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ~ ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        | ~ ( ~ ( in @ SV119 @ SV42 )
            | ~ ( ordinal @ SV119 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1187]) ).

thf(1240,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ~ ~ ( ~ ( in @ SV119 @ SV42 )
              | ~ ( ordinal @ SV119 ) )
        | ( in @ SV119 @ ( sK6_SY237 @ SV42 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1188]) ).

thf(1241,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( element @ ( sK16_SY239 @ SV43 ) @ ( powerset @ SV43 ) )
          | ~ ~ ( empty @ ( sK16_SY239 @ SV43 ) ) )
        = $false )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1189]) ).

thf(1242,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ~ ( ~ ~ ( in @ SV45 @ SV116 )
                | ~ ( ( SV45 != SV116 ) ) )
          | ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1192]) ).

thf(1243,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                           != ( sK14_SY342 @ SV46 ) )
                          | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
                    | ( ( sK9_SX1 @ SV46 )
                     != ( sK17_SY348 @ SV46 ) ) )
              | ~ ( ordinal @ ( sK17_SY348 @ SV46 ) ) ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1193]) ).

thf(1244,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY245: $i] :
              ~ ! [SY246: $i] :
                  ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                        | ~ ! [SY247: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                        | ( SY247 != SY246 ) )
                                  | ~ ( ordinal @ SY246 ) ) )
                    | ~ ( ~ ~ ! [SY248: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                          | ( SY248 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) )
                        | ( in @ SY246 @ SY245 ) ) ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1194]) ).

thf(1245,plain,
    ! [SV108: $i,SV47: $i,SV88: $i] :
      ( ( ( element @ SV88 @ ( powerset @ SV47 ) )
        = $false )
      | ( ( ~ ( element @ SV108 @ ( powerset @ SV47 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1195]) ).

thf(1246,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false )
      | ( ( ! [SY330: $i] :
              ~ ( ~ ( ~ ( in @ SY330 @ SV109 )
                    | ( SY330 = SV48 )
                    | ( SY330 = SV89 ) )
                | ~ ( ~ ( ( SY330 = SV48 )
                        | ( SY330 = SV89 ) )
                    | ( in @ SY330 @ SV109 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1196]) ).

thf(1247,plain,
    ! [SV89: $i,SV48: $i,SV109: $i] :
      ( ( ( ! [SY331: $i] :
              ~ ( ~ ( ~ ( in @ SY331 @ SV109 )
                    | ( SY331 = SV48 )
                    | ( SY331 = SV89 ) )
                | ~ ( ~ ( ( SY331 = SV48 )
                        | ( SY331 = SV89 ) )
                    | ( in @ SY331 @ SV109 ) ) ) )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1197]) ).

thf(1248,plain,
    ( ( ( ~ ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
        | ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      = $false )
    | ( ( ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
            | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1198]) ).

thf(1249,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false )
      | ( ( ! [SY332: $i] :
              ~ ( ~ ( ~ ( in @ SY332 @ SV110 )
                    | ~ ( ~ ( in @ SY332 @ SV51 )
                        | ~ ( in @ SY332 @ SV90 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY332 @ SV51 )
                          | ~ ( in @ SY332 @ SV90 ) )
                    | ( in @ SY332 @ SV110 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1199]) ).

thf(1250,plain,
    ! [SV90: $i,SV51: $i,SV110: $i] :
      ( ( ( ! [SY333: $i] :
              ~ ( ~ ( ~ ( in @ SY333 @ SV110 )
                    | ~ ( ~ ( in @ SY333 @ SV51 )
                        | ~ ( in @ SY333 @ SV90 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY333 @ SV51 )
                          | ~ ( in @ SY333 @ SV90 ) )
                    | ( in @ SY333 @ SV110 ) ) ) )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1200]) ).

thf(1251,plain,
    ! [SV55: $i,SV94: $i,SV127: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV127 @ SV94 )
                  | ( subset @ SV127 @ SV55 ) )
              | ~ ( ~ ( subset @ SV127 @ SV55 )
                  | ( in @ SV127 @ SV94 ) ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1201]) ).

thf(1252,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
                  | ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 ) )
              | ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
                  | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) ) )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1202]) ).

thf(1253,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false )
      | ( ( ! [SY334: $i] :
              ~ ( ~ ( ~ ( in @ SY334 @ SV111 )
                    | ~ ( ~ ( in @ SY334 @ SV58 )
                        | ~ ~ ( in @ SY334 @ SV97 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY334 @ SV58 )
                          | ~ ~ ( in @ SY334 @ SV97 ) )
                    | ( in @ SY334 @ SV111 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1204]) ).

thf(1254,plain,
    ! [SV97: $i,SV58: $i,SV111: $i] :
      ( ( ( ! [SY335: $i] :
              ~ ( ~ ( ~ ( in @ SY335 @ SV111 )
                    | ~ ( ~ ( in @ SY335 @ SV58 )
                        | ~ ~ ( in @ SY335 @ SV97 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY335 @ SV58 )
                          | ~ ~ ( in @ SY335 @ SV97 ) )
                    | ( in @ SY335 @ SV111 ) ) ) )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1205]) ).

thf(1255,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false )
      | ( ( ! [SY336: $i] :
              ~ ( ~ ( ~ ( in @ SY336 @ SV112 )
                    | ( in @ SY336 @ SV59 )
                    | ( in @ SY336 @ SV98 ) )
                | ~ ( ~ ( ( in @ SY336 @ SV59 )
                        | ( in @ SY336 @ SV98 ) )
                    | ( in @ SY336 @ SV112 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1206]) ).

thf(1256,plain,
    ! [SV98: $i,SV59: $i,SV112: $i] :
      ( ( ( ! [SY337: $i] :
              ~ ( ~ ( ~ ( in @ SY337 @ SV112 )
                    | ( in @ SY337 @ SV59 )
                    | ( in @ SY337 @ SV98 ) )
                | ~ ( ~ ( ( in @ SY337 @ SV59 )
                        | ( in @ SY337 @ SV98 ) )
                    | ( in @ SY337 @ SV112 ) ) ) )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1207]) ).

thf(1257,plain,
    ! [SV60: $i,SV99: $i,SV128: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV128 @ SV99 )
                  | ( SV128 = SV60 ) )
              | ~ ( ( SV128 != SV60 )
                  | ( in @ SV128 @ SV99 ) ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1208]) ).

thf(1258,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
                  | ( ( sK25_SY325 @ SV60 @ SV99 )
                    = SV60 ) )
              | ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
                   != SV60 )
                  | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) ) )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1209]) ).

thf(1259,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_SY279 @ SV5 @ SV63 ) @ SV63 )
              | ~ ! [SY351: $i] :
                    ~ ~ ( ~ ( in @ SY351 @ SV63 )
                        | ~ ( in @ SY351 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) ) )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1210]) ).

thf(1260,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( ~ ( element @ SV64 @ SV6 )
              | ( in @ SV64 @ SV6 ) )
          | ~ ( ~ ( in @ SV64 @ SV6 )
              | ( element @ SV64 @ SV6 ) ) )
        = $false )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1211]) ).

thf(1261,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( ~ ( element @ SV64 @ SV6 )
              | ( empty @ SV64 ) ) )
        = $false )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1212]) ).

thf(1262,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( ~ ( empty @ SV64 )
              | ( element @ SV64 @ SV6 ) ) )
        = $false )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1212]) ).

thf(1263,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1213]) ).

thf(1264,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1213]) ).

thf(1265,plain,
    ! [SV67: $i,SV9: $i,SV123: $i] :
      ( ( ( ~ ( in @ SV123 @ SV9 ) )
        = $true )
      | ( ( in @ SV123 @ SV67 )
        = $true )
      | ( ( subset @ SV9 @ SV67 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1214]) ).

thf(1266,plain,
    ! [SV9: $i,SV67: $i] :
      ( ( ( ~ ( in @ ( sK21_SY283 @ SV67 @ SV9 ) @ SV9 ) )
        = $false )
      | ( ( subset @ SV9 @ SV67 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1215]) ).

thf(1267,plain,
    ! [SV9: $i,SV67: $i] :
      ( ( ( in @ ( sK21_SY283 @ SV67 @ SV9 ) @ SV67 )
        = $false )
      | ( ( subset @ SV9 @ SV67 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1215]) ).

thf(1268,plain,
    ! [SV10: $i,SV100: $i,SV68: $i] :
      ( ( ( element @ SV68 @ ( powerset @ SV100 ) )
        = $false )
      | ( ( in @ SV10 @ SV68 )
        = $false )
      | ( ( element @ SV10 @ SV100 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1216]) ).

thf(1269,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ( ~ ( in @ SV11 @ SV69 ) )
        = $true )
      | ( ( ~ ( in @ SV69 @ SV101 ) )
        = $true )
      | ( ( ~ ( in @ SV101 @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1217]) ).

thf(1270,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                                | ~ ( in @ SV124 @ SV12 ) )
                          | ~ ~ ( in @ SV121 @ SV124 ) )
                    | ~ ( ( SV121 != SV124 ) ) )
              | ~ ~ ( in @ SV124 @ SV121 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1218]) ).

thf(1271,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                                | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                          | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
                    | ~ ( ( ( sK18_SY181 @ SV12 )
                         != ( sK22_SY350 @ SV12 ) ) ) )
              | ~ ~ ( in @ ( sK22_SY350 @ SV12 ) @ ( sK18_SY181 @ SV12 ) ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1219]) ).

thf(1272,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY183: $i] :
              ~ ~ ( ~ ( element @ SY183 @ ( powerset @ ( the_carrier @ SV13 ) ) )
                  | ~ ~ ( empty @ SY183 ) ) )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1220]) ).

thf(1273,plain,
    ! [SV117: $i,SV14: $i,SV125: $i] :
      ( ( ( ~ ( element @ SV125 @ SV14 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV125 @ SV117 )
          | ( in @ SV125 @ ( subset_complement @ SV14 @ SV117 ) ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1221]) ).

thf(1274,plain,
    ! [SV102: $i,SV15: $i,SV70: $i] :
      ( ( ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
        = $false )
      | ( ( ~ ( in @ SV70 @ SV102 ) )
        = $true )
      | ( ( element @ SV102 @ ( powerset @ SV15 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1222]) ).

thf(1275,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                      | ( ( sK12_SY338 @ SV18 )
                       != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
          | ( ( sK15_SY345 @ SV18 )
           != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1223]) ).

thf(1276,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY356: $i] :
                ~ ( ~ ( ~ ( in @ SY356 @ ( sK26_SY193 @ SV18 ) )
                      | ~ ! [SY195: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                      | ~ ( in @ SY195 @ SV18 ) )
                                | ( SY356
                                 != ( singleton @ SY195 ) ) ) )
                  | ~ ( ~ ~ ! [SY196: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                        | ~ ( in @ SY196 @ SV18 ) )
                                  | ( SY356
                                   != ( singleton @ SY196 ) ) )
                      | ( in @ SY356 @ ( sK26_SY193 @ SV18 ) ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1224]) ).

thf(1277,plain,
    ! [SV74: $i,SV20: $i,SV103: $i] :
      ( ( ( element @ SV103 @ ( powerset @ SV20 ) )
        = $false )
      | ( ( element @ SV74 @ ( powerset @ SV20 ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV20 @ SV74 @ SV103 ) @ ( powerset @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1225]) ).

thf(1278,plain,
    ! [SV75: $i,SV21: $i,SV104: $i] :
      ( ( ( element @ SV104 @ ( powerset @ SV21 ) )
        = $false )
      | ( ( element @ SV75 @ ( powerset @ SV21 ) )
        = $false )
      | ( ( element @ ( subset_intersection2 @ SV21 @ SV75 @ SV104 ) @ ( powerset @ SV21 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1226]) ).

thf(1279,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $false )
      | ( ( ~ ! [SY289: $i] :
                ~ ~ ( ~ ( in @ SY289 @ SV22 )
                    | ~ ( in @ SY289 @ SV76 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1227]) ).

thf(1280,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( ~ ! [SY290: $i] :
                ~ ~ ( ~ ( in @ SY290 @ SV22 )
                    | ~ ( in @ SY290 @ SV76 ) ) )
        = $false )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1228]) ).

thf(1281,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV79 ) )
        = $true )
      | ( ( ~ ( element @ SV79 @ ( powerset @ SV105 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1229]) ).

thf(1282,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( ~ ( in @ SV126 @ SV82 )
              | ~ ! [SY352: $i] :
                    ~ ~ ( ~ ( in @ SV126 @ SY352 )
                        | ~ ( in @ SY352 @ SV32 ) ) )
          | ~ ( ~ ~ ! [SY353: $i] :
                      ~ ~ ( ~ ( in @ SV126 @ SY353 )
                          | ~ ( in @ SY353 @ SV32 ) )
              | ( in @ SV126 @ SV82 ) ) )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1230]) ).

thf(1283,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
              | ~ ! [SY354: $i] :
                    ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY354 )
                        | ~ ( in @ SY354 @ SV32 ) ) )
          | ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1231]) ).

thf(1284,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false )
      | ( ( ! [SY340: $i] :
              ~ ( ~ ( ~ ( in @ SY340 @ SV115 )
                    | ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                | ~ ( ( SY340 != SV84 ) ) )
                          | ~ ( ( SY340 != SV106 ) ) ) )
                | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY340 != SV34 ) )
                                  | ~ ( ( SY340 != SV84 ) ) )
                            | ~ ( ( SY340 != SV106 ) ) )
                    | ( in @ SY340 @ SV115 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1232]) ).

thf(1285,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i] :
      ( ( ( ! [SY341: $i] :
              ~ ( ~ ( ~ ( in @ SY341 @ SV115 )
                    | ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                | ~ ( ( SY341 != SV84 ) ) )
                          | ~ ( ( SY341 != SV106 ) ) ) )
                | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SY341 != SV34 ) )
                                  | ~ ( ( SY341 != SV84 ) ) )
                            | ~ ( ( SY341 != SV106 ) ) )
                    | ( in @ SY341 @ SV115 ) ) ) )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1233]) ).

thf(1286,plain,
    ! [SV86: $i,SV38: $i,SV107: $i] :
      ( ( ( element @ SV107 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( element @ SV86 @ ( powerset @ SV38 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV38 @ SV86 @ SV86 )
          = SV86 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1236]) ).

thf(1287,plain,
    ! [SV39: $i] :
      ( ( ( empty @ ( the_carrier @ SV39 ) )
        = $false )
      | ( ( empty_carrier @ SV39 )
        = $true )
      | ( ( one_sorted_str @ SV39 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1237]) ).

thf(1288,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( ~ ( ( SV118
               != ( complements_of_subsets @ SV41 @ SV87 ) )
              | ! [SY346: $i] :
                  ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
                  | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                          | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                      | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                          | ( in @ SY346 @ SV118 ) ) ) ) ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1238]) ).

thf(1289,plain,
    ! [SV87: $i,SV118: $i,SV41: $i] :
      ( ( ( ~ ( ~ ! [SY347: $i] :
                    ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                    | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                            | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                        | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                            | ( in @ SY347 @ SV118 ) ) ) )
              | ( SV118
                = ( complements_of_subsets @ SV41 @ SV87 ) ) ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1238]) ).

thf(1290,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( in @ SV119 @ ( sK6_SY237 @ SV42 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV119 @ SV42 )
              | ~ ( ordinal @ SV119 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1239]) ).

thf(1291,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV119 @ SV42 )
                | ~ ( ordinal @ SV119 ) ) )
        = $true )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1240]) ).

thf(1292,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( element @ ( sK16_SY239 @ SV43 ) @ ( powerset @ SV43 ) ) )
        = $false )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1241]) ).

thf(1293,plain,
    ! [SV43: $i] :
      ( ( ( ~ ~ ( empty @ ( sK16_SY239 @ SV43 ) ) )
        = $false )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1241]) ).

thf(1294,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ~ ( ~ ~ ( in @ SV45 @ SV116 )
                | ~ ( ( SV45 != SV116 ) ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1242]) ).

thf(1295,plain,
    ! [SV46: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                       != ( sK14_SY342 @ SV46 ) )
                      | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
                | ( ( sK9_SX1 @ SV46 )
                 != ( sK17_SY348 @ SV46 ) ) )
          | ~ ( ordinal @ ( sK17_SY348 @ SV46 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1243]) ).

thf(1296,plain,
    ! [SV46: $i] :
      ( ( ( ~ ! [SY359: $i] :
                ~ ( ~ ( ~ ( in @ SY359 @ ( sK27_SY245 @ SV46 ) )
                      | ~ ! [SY247: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                      | ( SY247 != SY359 ) )
                                | ~ ( ordinal @ SY359 ) ) )
                  | ~ ( ~ ~ ! [SY248: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                        | ( SY248 != SY359 ) )
                                  | ~ ( ordinal @ SY359 ) )
                      | ( in @ SY359 @ ( sK27_SY245 @ SV46 ) ) ) ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1244]) ).

thf(1297,plain,
    ! [SV88: $i,SV47: $i,SV108: $i] :
      ( ( ( element @ SV108 @ ( powerset @ SV47 ) )
        = $false )
      | ( ( element @ SV88 @ ( powerset @ SV47 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV47 @ SV88 @ SV108 )
          = ( subset_intersection2 @ SV47 @ SV108 @ SV88 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1245]) ).

thf(1298,plain,
    ! [SV89: $i,SV48: $i,SV109: $i,SV129: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV129 @ SV109 )
                  | ( SV129 = SV48 )
                  | ( SV129 = SV89 ) )
              | ~ ( ~ ( ( SV129 = SV48 )
                      | ( SV129 = SV89 ) )
                  | ( in @ SV129 @ SV109 ) ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1246]) ).

thf(1299,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                        = SV48 )
                      | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                        = SV89 ) )
                  | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) ) )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1247]) ).

thf(1300,plain,
    ( ( ( ~ ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) )
      = $false )
    | ( ( ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
            | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1248]) ).

thf(1301,plain,
    ( ( ( ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      = $false )
    | ( ( ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
            | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1248]) ).

thf(1302,plain,
    ! [SV90: $i,SV51: $i,SV110: $i,SV130: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV130 @ SV110 )
                  | ~ ( ~ ( in @ SV130 @ SV51 )
                      | ~ ( in @ SV130 @ SV90 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV130 @ SV51 )
                        | ~ ( in @ SV130 @ SV90 ) )
                  | ( in @ SV130 @ SV110 ) ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1249]) ).

thf(1303,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
                  | ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                      | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                        | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
                  | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) ) )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1250]) ).

thf(1304,plain,
    ! [SV55: $i,SV94: $i,SV127: $i] :
      ( ( ( ~ ( ~ ( in @ SV127 @ SV94 )
              | ( subset @ SV127 @ SV55 ) )
          | ~ ( ~ ( subset @ SV127 @ SV55 )
              | ( in @ SV127 @ SV94 ) ) )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1251]) ).

thf(1305,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
              | ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 ) )
          | ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
              | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1252]) ).

thf(1306,plain,
    ! [SV97: $i,SV58: $i,SV111: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV131 @ SV111 )
                  | ~ ( ~ ( in @ SV131 @ SV58 )
                      | ~ ~ ( in @ SV131 @ SV97 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV131 @ SV58 )
                        | ~ ~ ( in @ SV131 @ SV97 ) )
                  | ( in @ SV131 @ SV111 ) ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1253]) ).

thf(1307,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
                  | ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                      | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                        | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
                  | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) ) )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1254]) ).

thf(1308,plain,
    ! [SV98: $i,SV59: $i,SV112: $i,SV132: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV132 @ SV112 )
                  | ( in @ SV132 @ SV59 )
                  | ( in @ SV132 @ SV98 ) )
              | ~ ( ~ ( ( in @ SV132 @ SV59 )
                      | ( in @ SV132 @ SV98 ) )
                  | ( in @ SV132 @ SV112 ) ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1255]) ).

thf(1309,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                      | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) ) )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1256]) ).

thf(1310,plain,
    ! [SV60: $i,SV99: $i,SV128: $i] :
      ( ( ( ~ ( ~ ( in @ SV128 @ SV99 )
              | ( SV128 = SV60 ) )
          | ~ ( ( SV128 != SV60 )
              | ( in @ SV128 @ SV99 ) ) )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1257]) ).

thf(1311,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
              | ( ( sK25_SY325 @ SV60 @ SV99 )
                = SV60 ) )
          | ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
               != SV60 )
              | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1258]) ).

thf(1312,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( ~ ( in @ ( sK20_SY279 @ SV5 @ SV63 ) @ SV63 )
          | ~ ! [SY351: $i] :
                ~ ~ ( ~ ( in @ SY351 @ SV63 )
                    | ~ ( in @ SY351 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1259]) ).

thf(1313,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( ~ ( element @ SV64 @ SV6 )
              | ( in @ SV64 @ SV6 ) ) )
        = $false )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1314,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( ~ ( in @ SV64 @ SV6 )
              | ( element @ SV64 @ SV6 ) ) )
        = $false )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1315,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( element @ SV64 @ SV6 )
          | ( empty @ SV64 ) )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1261]) ).

thf(1316,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( empty @ SV64 )
          | ( element @ SV64 @ SV6 ) )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1262]) ).

thf(1317,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
              | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1263]) ).

thf(1318,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
          | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) )
        = $false )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $false )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1264]) ).

thf(1319,plain,
    ! [SV67: $i,SV9: $i,SV123: $i] :
      ( ( ( in @ SV123 @ SV9 )
        = $false )
      | ( ( in @ SV123 @ SV67 )
        = $true )
      | ( ( subset @ SV9 @ SV67 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1265]) ).

thf(1320,plain,
    ! [SV9: $i,SV67: $i] :
      ( ( ( in @ ( sK21_SY283 @ SV67 @ SV9 ) @ SV9 )
        = $true )
      | ( ( subset @ SV9 @ SV67 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1266]) ).

thf(1321,plain,
    ! [SV101: $i,SV69: $i,SV11: $i] :
      ( ( ( in @ SV11 @ SV69 )
        = $false )
      | ( ( ~ ( in @ SV69 @ SV101 ) )
        = $true )
      | ( ( ~ ( in @ SV101 @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1269]) ).

thf(1322,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                            | ~ ( in @ SV124 @ SV12 ) )
                      | ~ ~ ( in @ SV121 @ SV124 ) )
                | ~ ( ( SV121 != SV124 ) ) )
          | ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1270]) ).

thf(1323,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                            | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                      | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
                | ~ ( ( ( sK18_SY181 @ SV12 )
                     != ( sK22_SY350 @ SV12 ) ) ) )
          | ~ ~ ( in @ ( sK22_SY350 @ SV12 ) @ ( sK18_SY181 @ SV12 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1271]) ).

thf(1324,plain,
    ! [SV13: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK32_SY183 @ SV13 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
                | ~ ~ ( empty @ ( sK32_SY183 @ SV13 ) ) ) )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1272]) ).

thf(1325,plain,
    ! [SV117: $i,SV14: $i,SV125: $i] :
      ( ( ( element @ SV125 @ SV14 )
        = $false )
      | ( ( ~ ~ ( in @ SV125 @ SV117 )
          | ( in @ SV125 @ ( subset_complement @ SV14 @ SV117 ) ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1273]) ).

thf(1326,plain,
    ! [SV15: $i,SV102: $i,SV70: $i] :
      ( ( ( in @ SV70 @ SV102 )
        = $false )
      | ( ( in @ SV70 @ ( subset_complement @ SV15 @ SV102 ) )
        = $false )
      | ( ( element @ SV102 @ ( powerset @ SV15 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1274]) ).

thf(1327,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                      | ( ( sK12_SY338 @ SV18 )
                       != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
                | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1275]) ).

thf(1328,plain,
    ! [SV18: $i] :
      ( ( ( ( sK15_SY345 @ SV18 )
         != ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1275]) ).

thf(1329,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY356: $i] :
              ~ ( ~ ( ~ ( in @ SY356 @ ( sK26_SY193 @ SV18 ) )
                    | ~ ! [SY195: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                    | ~ ( in @ SY195 @ SV18 ) )
                              | ( SY356
                               != ( singleton @ SY195 ) ) ) )
                | ~ ( ~ ~ ! [SY196: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                      | ~ ( in @ SY196 @ SV18 ) )
                                | ( SY356
                                 != ( singleton @ SY196 ) ) )
                    | ( in @ SY356 @ ( sK26_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1276]) ).

thf(1330,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( disjoint @ SV22 @ SV76 )
        = $true )
      | ( ( ~ ! [SY289: $i] :
                ~ ~ ( ~ ( in @ SY289 @ SV22 )
                    | ~ ( in @ SY289 @ SV76 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1279]) ).

thf(1331,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( ! [SY290: $i] :
              ~ ~ ( ~ ( in @ SY290 @ SV22 )
                  | ~ ( in @ SY290 @ SV76 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1280]) ).

thf(1332,plain,
    ! [SV105: $i,SV79: $i,SV27: $i] :
      ( ( ( in @ SV27 @ SV79 )
        = $false )
      | ( ( ~ ( element @ SV79 @ ( powerset @ SV105 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1281]) ).

thf(1333,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( ~ ( in @ SV126 @ SV82 )
              | ~ ! [SY352: $i] :
                    ~ ~ ( ~ ( in @ SV126 @ SY352 )
                        | ~ ( in @ SY352 @ SV32 ) ) ) )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1282]) ).

thf(1334,plain,
    ! [SV82: $i,SV32: $i,SV126: $i] :
      ( ( ( ~ ( ~ ~ ! [SY353: $i] :
                      ~ ~ ( ~ ( in @ SV126 @ SY353 )
                          | ~ ( in @ SY353 @ SV32 ) )
              | ( in @ SV126 @ SV82 ) ) )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1282]) ).

thf(1335,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
              | ~ ! [SY354: $i] :
                    ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY354 )
                        | ~ ( in @ SY354 @ SV32 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1283]) ).

thf(1336,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i,SV133: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV133 @ SV115 )
                  | ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                              | ~ ( ( SV133 != SV84 ) ) )
                        | ~ ( ( SV133 != SV106 ) ) ) )
              | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                                | ~ ( ( SV133 != SV84 ) ) )
                          | ~ ( ( SV133 != SV106 ) ) )
                  | ( in @ SV133 @ SV115 ) ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1284]) ).

thf(1337,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
                  | ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                   != SV34 ) )
                              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                   != SV84 ) ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV106 ) ) ) )
              | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                     != SV34 ) )
                                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                     != SV84 ) ) )
                          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                               != SV106 ) ) )
                  | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) ) )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1285]) ).

thf(1338,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( ( SV118
           != ( complements_of_subsets @ SV41 @ SV87 ) )
          | ! [SY346: $i] :
              ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
              | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                      | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                      | ( in @ SY346 @ SV118 ) ) ) ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1288]) ).

thf(1339,plain,
    ! [SV87: $i,SV118: $i,SV41: $i] :
      ( ( ( ~ ! [SY347: $i] :
                ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                        | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                    | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                        | ( in @ SY347 @ SV118 ) ) ) )
          | ( SV118
            = ( complements_of_subsets @ SV41 @ SV87 ) ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1289]) ).

thf(1340,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ SV119 @ SV42 )
              | ~ ( ordinal @ SV119 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1290]) ).

thf(1341,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( ~ ( in @ SV119 @ SV42 )
              | ~ ( ordinal @ SV119 ) ) )
        = $false )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1291]) ).

thf(1342,plain,
    ! [SV43: $i] :
      ( ( ( element @ ( sK16_SY239 @ SV43 ) @ ( powerset @ SV43 ) )
        = $true )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1292]) ).

thf(1343,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( empty @ ( sK16_SY239 @ SV43 ) ) )
        = $true )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1293]) ).

thf(1344,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ( ~ ~ ( in @ SV45 @ SV116 )
              | ~ ( ( SV45 != SV116 ) ) ) )
        = $false )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1294]) ).

thf(1345,plain,
    ! [SV46: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                       != ( sK14_SY342 @ SV46 ) )
                      | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
                | ( ( sK9_SX1 @ SV46 )
                 != ( sK17_SY348 @ SV46 ) ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1295]) ).

thf(1346,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( ordinal @ ( sK17_SY348 @ SV46 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1295]) ).

thf(1347,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY359: $i] :
              ~ ( ~ ( ~ ( in @ SY359 @ ( sK27_SY245 @ SV46 ) )
                    | ~ ! [SY247: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                    | ( SY247 != SY359 ) )
                              | ~ ( ordinal @ SY359 ) ) )
                | ~ ( ~ ~ ! [SY248: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                      | ( SY248 != SY359 ) )
                                | ~ ( ordinal @ SY359 ) )
                    | ( in @ SY359 @ ( sK27_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1296]) ).

thf(1348,plain,
    ! [SV89: $i,SV48: $i,SV109: $i,SV129: $i] :
      ( ( ( ~ ( ~ ( in @ SV129 @ SV109 )
              | ( SV129 = SV48 )
              | ( SV129 = SV89 ) )
          | ~ ( ~ ( ( SV129 = SV48 )
                  | ( SV129 = SV89 ) )
              | ( in @ SV129 @ SV109 ) ) )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1298]) ).

thf(1349,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) )
          | ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1299]) ).

thf(1350,plain,
    ( ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $true )
    | ( ( ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
            | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1300]) ).

thf(1351,plain,
    ( ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $true )
    | ( ( ~ ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
            | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1301]) ).

thf(1352,plain,
    ! [SV90: $i,SV51: $i,SV110: $i,SV130: $i] :
      ( ( ( ~ ( ~ ( in @ SV130 @ SV110 )
              | ~ ( ~ ( in @ SV130 @ SV51 )
                  | ~ ( in @ SV130 @ SV90 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV130 @ SV51 )
                    | ~ ( in @ SV130 @ SV90 ) )
              | ( in @ SV130 @ SV110 ) ) )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1302]) ).

thf(1353,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
              | ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                  | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1303]) ).

thf(1354,plain,
    ! [SV55: $i,SV94: $i,SV127: $i] :
      ( ( ( ~ ( ~ ( in @ SV127 @ SV94 )
              | ( subset @ SV127 @ SV55 ) ) )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1304]) ).

thf(1355,plain,
    ! [SV94: $i,SV55: $i,SV127: $i] :
      ( ( ( ~ ( ~ ( subset @ SV127 @ SV55 )
              | ( in @ SV127 @ SV94 ) ) )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1304]) ).

thf(1356,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
              | ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 ) ) )
        = $true )
      | ( ( ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
              | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1305]) ).

thf(1357,plain,
    ! [SV97: $i,SV58: $i,SV111: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( in @ SV131 @ SV111 )
              | ~ ( ~ ( in @ SV131 @ SV58 )
                  | ~ ~ ( in @ SV131 @ SV97 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV131 @ SV58 )
                    | ~ ~ ( in @ SV131 @ SV97 ) )
              | ( in @ SV131 @ SV111 ) ) )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1306]) ).

thf(1358,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
              | ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                  | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1307]) ).

thf(1359,plain,
    ! [SV98: $i,SV59: $i,SV112: $i,SV132: $i] :
      ( ( ( ~ ( ~ ( in @ SV132 @ SV112 )
              | ( in @ SV132 @ SV59 )
              | ( in @ SV132 @ SV98 ) )
          | ~ ( ~ ( ( in @ SV132 @ SV59 )
                  | ( in @ SV132 @ SV98 ) )
              | ( in @ SV132 @ SV112 ) ) )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1308]) ).

thf(1360,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
          | ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1309]) ).

thf(1361,plain,
    ! [SV60: $i,SV99: $i,SV128: $i] :
      ( ( ( ~ ( ~ ( in @ SV128 @ SV99 )
              | ( SV128 = SV60 ) ) )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1310]) ).

thf(1362,plain,
    ! [SV99: $i,SV60: $i,SV128: $i] :
      ( ( ( ~ ( ( SV128 != SV60 )
              | ( in @ SV128 @ SV99 ) ) )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1310]) ).

thf(1363,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
              | ( ( sK25_SY325 @ SV60 @ SV99 )
                = SV60 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
               != SV60 )
              | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1311]) ).

thf(1364,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( ~ ( in @ ( sK20_SY279 @ SV5 @ SV63 ) @ SV63 ) )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1312]) ).

thf(1365,plain,
    ! [SV5: $i,SV63: $i] :
      ( ( ( ~ ! [SY351: $i] :
                ~ ~ ( ~ ( in @ SY351 @ SV63 )
                    | ~ ( in @ SY351 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1312]) ).

thf(1366,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( element @ SV64 @ SV6 )
          | ( in @ SV64 @ SV6 ) )
        = $true )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1313]) ).

thf(1367,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( in @ SV64 @ SV6 )
          | ( element @ SV64 @ SV6 ) )
        = $true )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1314]) ).

thf(1368,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( element @ SV64 @ SV6 ) )
        = $true )
      | ( ( empty @ SV64 )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1315]) ).

thf(1369,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( empty @ SV64 ) )
        = $true )
      | ( ( element @ SV64 @ SV6 )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1316]) ).

thf(1370,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
          | ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 ) )
        = $false )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1317]) ).

thf(1371,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 ) )
        = $false )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $false )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1318]) ).

thf(1372,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $false )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $false )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1318]) ).

thf(1373,plain,
    ! [SV11: $i,SV101: $i,SV69: $i] :
      ( ( ( in @ SV69 @ SV101 )
        = $false )
      | ( ( in @ SV11 @ SV69 )
        = $false )
      | ( ( ~ ( in @ SV101 @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1321]) ).

thf(1374,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                            | ~ ( in @ SV124 @ SV12 ) )
                      | ~ ~ ( in @ SV121 @ SV124 ) )
                | ~ ( ( SV121 != SV124 ) ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1322]) ).

thf(1375,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                            | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                      | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
                | ~ ( ( ( sK18_SY181 @ SV12 )
                     != ( sK22_SY350 @ SV12 ) ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1323]) ).

thf(1376,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( in @ ( sK22_SY350 @ SV12 ) @ ( sK18_SY181 @ SV12 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1323]) ).

thf(1377,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK32_SY183 @ SV13 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
              | ~ ~ ( empty @ ( sK32_SY183 @ SV13 ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1324]) ).

thf(1378,plain,
    ! [SV14: $i,SV117: $i,SV125: $i] :
      ( ( ( ~ ~ ( in @ SV125 @ SV117 ) )
        = $true )
      | ( ( in @ SV125 @ ( subset_complement @ SV14 @ SV117 ) )
        = $true )
      | ( ( element @ SV125 @ SV14 )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1325]) ).

thf(1379,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                    | ( ( sK12_SY338 @ SV18 )
                     != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
              | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1327]) ).

thf(1380,plain,
    ! [SV18: $i] :
      ( ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1328]) ).

thf(1381,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
                  | ~ ! [SY362: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                                  | ~ ( in @ SY362 @ SV18 ) )
                            | ( SV134
                             != ( singleton @ SY362 ) ) ) )
              | ~ ( ~ ~ ! [SY363: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                                    | ~ ( in @ SY363 @ SV18 ) )
                              | ( SV134
                               != ( singleton @ SY363 ) ) )
                  | ( in @ SV134 @ ( sK26_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1329]) ).

thf(1382,plain,
    ! [SV76: $i,SV22: $i] :
      ( ( ( ! [SY289: $i] :
              ~ ~ ( ~ ( in @ SY289 @ SV22 )
                  | ~ ( in @ SY289 @ SV76 ) ) )
        = $false )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1330]) ).

thf(1383,plain,
    ! [SV76: $i,SV22: $i,SV135: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV135 @ SV22 )
                | ~ ( in @ SV135 @ SV76 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1331]) ).

thf(1384,plain,
    ! [SV27: $i,SV105: $i,SV79: $i] :
      ( ( ( element @ SV79 @ ( powerset @ SV105 ) )
        = $false )
      | ( ( in @ SV27 @ SV79 )
        = $false )
      | ( ( ~ ( empty @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1332]) ).

thf(1385,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( in @ SV126 @ SV82 )
          | ~ ! [SY352: $i] :
                ~ ~ ( ~ ( in @ SV126 @ SY352 )
                    | ~ ( in @ SY352 @ SV32 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1333]) ).

thf(1386,plain,
    ! [SV82: $i,SV32: $i,SV126: $i] :
      ( ( ( ~ ~ ! [SY353: $i] :
                  ~ ~ ( ~ ( in @ SV126 @ SY353 )
                      | ~ ( in @ SY353 @ SV32 ) )
          | ( in @ SV126 @ SV82 ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1334]) ).

thf(1387,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
          | ~ ! [SY354: $i] :
                ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY354 )
                    | ~ ( in @ SY354 @ SV32 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1335]) ).

thf(1388,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i,SV133: $i] :
      ( ( ( ~ ( ~ ( in @ SV133 @ SV115 )
              | ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                          | ~ ( ( SV133 != SV84 ) ) )
                    | ~ ( ( SV133 != SV106 ) ) ) )
          | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                            | ~ ( ( SV133 != SV84 ) ) )
                      | ~ ( ( SV133 != SV106 ) ) )
              | ( in @ SV133 @ SV115 ) ) )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1336]) ).

thf(1389,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
              | ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                               != SV34 ) )
                          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                               != SV84 ) ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV106 ) ) ) )
          | ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1337]) ).

thf(1390,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( SV118
         != ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( ! [SY346: $i] :
              ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
              | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                      | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                      | ( in @ SY346 @ SV118 ) ) ) ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1338]) ).

thf(1391,plain,
    ! [SV87: $i,SV118: $i,SV41: $i] :
      ( ( ( ~ ! [SY347: $i] :
                ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
                | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                        | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                    | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                        | ( in @ SY347 @ SV118 ) ) ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1339]) ).

thf(1392,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( in @ SV119 @ SV42 )
          | ~ ( ordinal @ SV119 ) )
        = $false )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1340]) ).

thf(1393,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( in @ SV119 @ SV42 )
          | ~ ( ordinal @ SV119 ) )
        = $true )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1341]) ).

thf(1394,plain,
    ! [SV43: $i] :
      ( ( ( empty @ ( sK16_SY239 @ SV43 ) )
        = $false )
      | ( ( empty @ SV43 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1343]) ).

thf(1395,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ~ ( in @ SV45 @ SV116 )
          | ~ ( ( SV45 != SV116 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1344]) ).

thf(1396,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                     != ( sK14_SY342 @ SV46 ) )
                    | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
              | ( ( sK9_SX1 @ SV46 )
               != ( sK17_SY348 @ SV46 ) ) ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1345]) ).

thf(1397,plain,
    ! [SV46: $i] :
      ( ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1346]) ).

thf(1398,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
                  | ~ ! [SY364: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                                  | ( SY364 != SV136 ) )
                            | ~ ( ordinal @ SV136 ) ) )
              | ~ ( ~ ~ ! [SY365: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                                    | ( SY365 != SV136 ) )
                              | ~ ( ordinal @ SV136 ) )
                  | ( in @ SV136 @ ( sK27_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1347]) ).

thf(1399,plain,
    ! [SV89: $i,SV48: $i,SV109: $i,SV129: $i] :
      ( ( ( ~ ( ~ ( in @ SV129 @ SV109 )
              | ( SV129 = SV48 )
              | ( SV129 = SV89 ) ) )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1348]) ).

thf(1400,plain,
    ! [SV109: $i,SV89: $i,SV48: $i,SV129: $i] :
      ( ( ( ~ ( ~ ( ( SV129 = SV48 )
                  | ( SV129 = SV89 ) )
              | ( in @ SV129 @ SV109 ) ) )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1348]) ).

thf(1401,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1349]) ).

thf(1402,plain,
    ( ( ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
        | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) )
      = $false )
    | ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1350]) ).

thf(1403,plain,
    ( ( ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 )
        | ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) ) )
      = $false )
    | ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1351]) ).

thf(1404,plain,
    ! [SV90: $i,SV51: $i,SV110: $i,SV130: $i] :
      ( ( ( ~ ( ~ ( in @ SV130 @ SV110 )
              | ~ ( ~ ( in @ SV130 @ SV51 )
                  | ~ ( in @ SV130 @ SV90 ) ) ) )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1352]) ).

thf(1405,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV130 @ SV51 )
                    | ~ ( in @ SV130 @ SV90 ) )
              | ( in @ SV130 @ SV110 ) ) )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1352]) ).

thf(1406,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
              | ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                  | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1353]) ).

thf(1407,plain,
    ! [SV55: $i,SV94: $i,SV127: $i] :
      ( ( ( ~ ( in @ SV127 @ SV94 )
          | ( subset @ SV127 @ SV55 ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1354]) ).

thf(1408,plain,
    ! [SV94: $i,SV55: $i,SV127: $i] :
      ( ( ( ~ ( subset @ SV127 @ SV55 )
          | ( in @ SV127 @ SV94 ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1355]) ).

thf(1409,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
          | ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 ) )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
              | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1356]) ).

thf(1410,plain,
    ! [SV97: $i,SV58: $i,SV111: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( in @ SV131 @ SV111 )
              | ~ ( ~ ( in @ SV131 @ SV58 )
                  | ~ ~ ( in @ SV131 @ SV97 ) ) ) )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1357]) ).

thf(1411,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV131 @ SV58 )
                    | ~ ~ ( in @ SV131 @ SV97 ) )
              | ( in @ SV131 @ SV111 ) ) )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1357]) ).

thf(1412,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
              | ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                  | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1358]) ).

thf(1413,plain,
    ! [SV98: $i,SV59: $i,SV112: $i,SV132: $i] :
      ( ( ( ~ ( ~ ( in @ SV132 @ SV112 )
              | ( in @ SV132 @ SV59 )
              | ( in @ SV132 @ SV98 ) ) )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1359]) ).

thf(1414,plain,
    ! [SV112: $i,SV98: $i,SV59: $i,SV132: $i] :
      ( ( ( ~ ( ~ ( ( in @ SV132 @ SV59 )
                  | ( in @ SV132 @ SV98 ) )
              | ( in @ SV132 @ SV112 ) ) )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1359]) ).

thf(1415,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1360]) ).

thf(1416,plain,
    ! [SV60: $i,SV99: $i,SV128: $i] :
      ( ( ( ~ ( in @ SV128 @ SV99 )
          | ( SV128 = SV60 ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1361]) ).

thf(1417,plain,
    ! [SV99: $i,SV60: $i,SV128: $i] :
      ( ( ( ( SV128 != SV60 )
          | ( in @ SV128 @ SV99 ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1362]) ).

thf(1418,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ~ ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
          | ( ( sK25_SY325 @ SV60 @ SV99 )
            = SV60 ) )
        = $false )
      | ( ( ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
               != SV60 )
              | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1363]) ).

thf(1419,plain,
    ! [SV63: $i,SV5: $i] :
      ( ( ( in @ ( sK20_SY279 @ SV5 @ SV63 ) @ SV63 )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1364]) ).

thf(1420,plain,
    ! [SV5: $i,SV63: $i] :
      ( ( ( ! [SY351: $i] :
              ~ ~ ( ~ ( in @ SY351 @ SV63 )
                  | ~ ( in @ SY351 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1365]) ).

thf(1421,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( element @ SV64 @ SV6 ) )
        = $true )
      | ( ( in @ SV64 @ SV6 )
        = $true )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1366]) ).

thf(1422,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( ~ ( in @ SV64 @ SV6 ) )
        = $true )
      | ( ( element @ SV64 @ SV6 )
        = $true )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1367]) ).

thf(1423,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( element @ SV64 @ SV6 )
        = $false )
      | ( ( empty @ SV64 )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1368]) ).

thf(1424,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( empty @ SV64 )
        = $false )
      | ( ( element @ SV64 @ SV6 )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1369]) ).

thf(1425,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( ~ ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 ) )
        = $false )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1370]) ).

thf(1426,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $false )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1370]) ).

thf(1427,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $true )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $false )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1371]) ).

thf(1428,plain,
    ! [SV69: $i,SV11: $i,SV101: $i] :
      ( ( ( in @ SV101 @ SV11 )
        = $false )
      | ( ( in @ SV11 @ SV69 )
        = $false )
      | ( ( in @ SV69 @ SV101 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1373]) ).

thf(1429,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                          | ~ ( in @ SV124 @ SV12 ) )
                    | ~ ~ ( in @ SV121 @ SV124 ) )
              | ~ ( ( SV121 != SV124 ) ) ) )
        = $false )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1374]) ).

thf(1430,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                          | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                    | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
              | ~ ( ( ( sK18_SY181 @ SV12 )
                   != ( sK22_SY350 @ SV12 ) ) ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1375]) ).

thf(1431,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( in @ ( sK22_SY350 @ SV12 ) @ ( sK18_SY181 @ SV12 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1376]) ).

thf(1432,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( element @ ( sK32_SY183 @ SV13 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
          | ~ ~ ( empty @ ( sK32_SY183 @ SV13 ) ) )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1377]) ).

thf(1433,plain,
    ! [SV14: $i,SV117: $i,SV125: $i] :
      ( ( ( ~ ( in @ SV125 @ SV117 ) )
        = $false )
      | ( ( in @ SV125 @ ( subset_complement @ SV14 @ SV117 ) )
        = $true )
      | ( ( element @ SV125 @ SV14 )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1378]) ).

thf(1434,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                | ( ( sK12_SY338 @ SV18 )
                 != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
          | ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1379]) ).

thf(1435,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY193: $i] :
              ~ ! [SY194: $i] :
                  ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                        | ~ ! [SY195: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                        | ~ ( in @ SY195 @ SV18 ) )
                                  | ( SY194
                                   != ( singleton @ SY195 ) ) ) )
                    | ~ ( ~ ~ ! [SY196: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                          | ~ ( in @ SY196 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY196 ) ) )
                        | ( in @ SY194 @ SY193 ) ) ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1380]) ).

thf(1436,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( ~ ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
              | ~ ! [SY362: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                              | ~ ( in @ SY362 @ SV18 ) )
                        | ( SV134
                         != ( singleton @ SY362 ) ) ) )
          | ~ ( ~ ~ ! [SY363: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                                | ~ ( in @ SY363 @ SV18 ) )
                          | ( SV134
                           != ( singleton @ SY363 ) ) )
              | ( in @ SV134 @ ( sK26_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1381]) ).

thf(1437,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV22 )
                | ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV76 ) ) )
        = $false )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1382]) ).

thf(1438,plain,
    ! [SV76: $i,SV22: $i,SV135: $i] :
      ( ( ( ~ ( ~ ( in @ SV135 @ SV22 )
              | ~ ( in @ SV135 @ SV76 ) ) )
        = $false )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1383]) ).

thf(1439,plain,
    ! [SV79: $i,SV27: $i,SV105: $i] :
      ( ( ( empty @ SV105 )
        = $false )
      | ( ( in @ SV27 @ SV79 )
        = $false )
      | ( ( element @ SV79 @ ( powerset @ SV105 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1384]) ).

thf(1440,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( in @ SV126 @ SV82 ) )
        = $true )
      | ( ( ~ ! [SY352: $i] :
                ~ ~ ( ~ ( in @ SV126 @ SY352 )
                    | ~ ( in @ SY352 @ SV32 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1385]) ).

thf(1441,plain,
    ! [SV82: $i,SV32: $i,SV126: $i] :
      ( ( ( ~ ~ ! [SY353: $i] :
                  ~ ~ ( ~ ( in @ SV126 @ SY353 )
                      | ~ ( in @ SY353 @ SV32 ) ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1386]) ).

thf(1442,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1387]) ).

thf(1443,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ! [SY354: $i] :
                ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY354 )
                    | ~ ( in @ SY354 @ SV32 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1387]) ).

thf(1444,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i,SV133: $i] :
      ( ( ( ~ ( ~ ( in @ SV133 @ SV115 )
              | ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                          | ~ ( ( SV133 != SV84 ) ) )
                    | ~ ( ( SV133 != SV106 ) ) ) ) )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1388]) ).

thf(1445,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                            | ~ ( ( SV133 != SV84 ) ) )
                      | ~ ( ( SV133 != SV106 ) ) )
              | ( in @ SV133 @ SV115 ) ) )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1388]) ).

thf(1446,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
              | ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                               != SV34 ) )
                          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                               != SV84 ) ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV106 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1389]) ).

thf(1447,plain,
    ! [SV87: $i,SV41: $i,SV118: $i] :
      ( ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( ! [SY346: $i] :
              ( ~ ( element @ SY346 @ ( powerset @ SV41 ) )
              | ~ ( ~ ( ~ ( in @ SY346 @ SV118 )
                      | ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY346 ) @ SV87 )
                      | ( in @ SY346 @ SV118 ) ) ) ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1390]) ).

thf(1448,plain,
    ! [SV87: $i,SV118: $i,SV41: $i] :
      ( ( ( ! [SY347: $i] :
              ( ~ ( element @ SY347 @ ( powerset @ SV41 ) )
              | ~ ( ~ ( ~ ( in @ SY347 @ SV118 )
                      | ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SY347 ) @ SV87 )
                      | ( in @ SY347 @ SV118 ) ) ) ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1391]) ).

thf(1449,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( in @ SV119 @ SV42 ) )
        = $false )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1392]) ).

thf(1450,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( ordinal @ SV119 ) )
        = $false )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1392]) ).

thf(1451,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ~ ( in @ SV119 @ SV42 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV119 ) )
        = $true )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1393]) ).

thf(1452,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ~ ( in @ SV45 @ SV116 ) )
        = $true )
      | ( ( ~ ( ( SV45 != SV116 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1395]) ).

thf(1453,plain,
    ! [SV46: $i] :
      ( ( ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                 != ( sK14_SY342 @ SV46 ) )
                | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
          | ( ( sK9_SX1 @ SV46 )
           != ( sK17_SY348 @ SV46 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1396]) ).

thf(1454,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY245: $i] :
              ~ ! [SY246: $i] :
                  ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                        | ~ ! [SY247: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                        | ( SY247 != SY246 ) )
                                  | ~ ( ordinal @ SY246 ) ) )
                    | ~ ( ~ ~ ! [SY248: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                          | ( SY248 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) )
                        | ( in @ SY246 @ SY245 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1397]) ).

thf(1455,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
              | ~ ! [SY364: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                              | ( SY364 != SV136 ) )
                        | ~ ( ordinal @ SV136 ) ) )
          | ~ ( ~ ~ ! [SY365: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                                | ( SY365 != SV136 ) )
                          | ~ ( ordinal @ SV136 ) )
              | ( in @ SV136 @ ( sK27_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1398]) ).

thf(1456,plain,
    ! [SV89: $i,SV48: $i,SV109: $i,SV129: $i] :
      ( ( ( ~ ( in @ SV129 @ SV109 )
          | ( SV129 = SV48 )
          | ( SV129 = SV89 ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1399]) ).

thf(1457,plain,
    ! [SV109: $i,SV89: $i,SV48: $i,SV129: $i] :
      ( ( ( ~ ( ( SV129 = SV48 )
              | ( SV129 = SV89 ) )
          | ( in @ SV129 @ SV109 ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1400]) ).

thf(1458,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
          | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV48 )
          | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV89 ) )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1401]) ).

thf(1459,plain,
    ( ( ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      = $false )
    | ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1402]) ).

thf(1460,plain,
    ( ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $false )
    | ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1402]) ).

thf(1461,plain,
    ( ( ( ~ ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      = $false )
    | ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1403]) ).

thf(1462,plain,
    ( ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $false )
    | ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1403]) ).

thf(1463,plain,
    ! [SV90: $i,SV51: $i,SV110: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV110 )
          | ~ ( ~ ( in @ SV130 @ SV51 )
              | ~ ( in @ SV130 @ SV90 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1404]) ).

thf(1464,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV130 @ SV51 )
                | ~ ( in @ SV130 @ SV90 ) )
          | ( in @ SV130 @ SV110 ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1405]) ).

thf(1465,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
          | ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
              | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1406]) ).

thf(1466,plain,
    ! [SV55: $i,SV94: $i,SV127: $i] :
      ( ( ( ~ ( in @ SV127 @ SV94 ) )
        = $true )
      | ( ( subset @ SV127 @ SV55 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1407]) ).

thf(1467,plain,
    ! [SV94: $i,SV55: $i,SV127: $i] :
      ( ( ( ~ ( subset @ SV127 @ SV55 ) )
        = $true )
      | ( ( in @ SV127 @ SV94 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1408]) ).

thf(1468,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
              | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1409]) ).

thf(1469,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
              | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1409]) ).

thf(1470,plain,
    ! [SV97: $i,SV58: $i,SV111: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV111 )
          | ~ ( ~ ( in @ SV131 @ SV58 )
              | ~ ~ ( in @ SV131 @ SV97 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1410]) ).

thf(1471,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV131 @ SV58 )
                | ~ ~ ( in @ SV131 @ SV97 ) )
          | ( in @ SV131 @ SV111 ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1411]) ).

thf(1472,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
          | ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
              | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1412]) ).

thf(1473,plain,
    ! [SV98: $i,SV59: $i,SV112: $i,SV132: $i] :
      ( ( ( ~ ( in @ SV132 @ SV112 )
          | ( in @ SV132 @ SV59 )
          | ( in @ SV132 @ SV98 ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1413]) ).

thf(1474,plain,
    ! [SV112: $i,SV98: $i,SV59: $i,SV132: $i] :
      ( ( ( ~ ( ( in @ SV132 @ SV59 )
              | ( in @ SV132 @ SV98 ) )
          | ( in @ SV132 @ SV112 ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1414]) ).

thf(1475,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1415]) ).

thf(1476,plain,
    ! [SV60: $i,SV99: $i,SV128: $i] :
      ( ( ( ~ ( in @ SV128 @ SV99 ) )
        = $true )
      | ( ( SV128 = SV60 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1416]) ).

thf(1477,plain,
    ! [SV99: $i,SV60: $i,SV128: $i] :
      ( ( ( SV128 != SV60 )
        = $true )
      | ( ( in @ SV128 @ SV99 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1417]) ).

thf(1478,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ~ ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) )
        = $false )
      | ( ( ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
               != SV60 )
              | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1479,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $false )
      | ( ( ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
               != SV60 )
              | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1480,plain,
    ! [SV5: $i,SV63: $i,SV137: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV137 @ SV63 )
                | ~ ( in @ SV137 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1420]) ).

thf(1481,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( element @ SV64 @ SV6 )
        = $false )
      | ( ( in @ SV64 @ SV6 )
        = $true )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1421]) ).

thf(1482,plain,
    ! [SV6: $i,SV64: $i] :
      ( ( ( in @ SV64 @ SV6 )
        = $false )
      | ( ( element @ SV64 @ SV6 )
        = $true )
      | ( ( empty @ SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1422]) ).

thf(1483,plain,
    ! [SV8: $i,SV66: $i] :
      ( ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV66 )
        = $true )
      | ( ( in @ ( sK11_SY281 @ SV66 @ SV8 ) @ SV8 )
        = $true )
      | ( ( SV8 = SV66 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1425]) ).

thf(1484,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                      | ~ ( in @ SV124 @ SV12 ) )
                | ~ ~ ( in @ SV121 @ SV124 ) )
          | ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1429]) ).

thf(1485,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                      | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
          | ~ ( ( ( sK18_SY181 @ SV12 )
               != ( sK22_SY350 @ SV12 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1430]) ).

thf(1486,plain,
    ! [SV12: $i] :
      ( ( ( in @ ( sK22_SY350 @ SV12 ) @ ( sK18_SY181 @ SV12 ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1431]) ).

thf(1487,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( element @ ( sK32_SY183 @ SV13 ) @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1432]) ).

thf(1488,plain,
    ! [SV13: $i] :
      ( ( ( ~ ~ ( empty @ ( sK32_SY183 @ SV13 ) ) )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1432]) ).

thf(1489,plain,
    ! [SV14: $i,SV117: $i,SV125: $i] :
      ( ( ( in @ SV125 @ SV117 )
        = $true )
      | ( ( in @ SV125 @ ( subset_complement @ SV14 @ SV117 ) )
        = $true )
      | ( ( element @ SV125 @ SV14 )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( SV14 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1433]) ).

thf(1490,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
                | ( ( sK12_SY338 @ SV18 )
                 != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1434]) ).

thf(1491,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1434]) ).

thf(1492,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY366: $i] :
                ~ ( ~ ( ~ ( in @ SY366 @ ( sK35_SY193 @ SV18 ) )
                      | ~ ! [SY195: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                      | ~ ( in @ SY195 @ SV18 ) )
                                | ( SY366
                                 != ( singleton @ SY195 ) ) ) )
                  | ~ ( ~ ~ ! [SY196: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                        | ~ ( in @ SY196 @ SV18 ) )
                                  | ( SY366
                                   != ( singleton @ SY196 ) ) )
                      | ( in @ SY366 @ ( sK35_SY193 @ SV18 ) ) ) ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1435]) ).

thf(1493,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( ~ ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
              | ~ ! [SY362: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                              | ~ ( in @ SY362 @ SV18 ) )
                        | ( SV134
                         != ( singleton @ SY362 ) ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1436]) ).

thf(1494,plain,
    ! [SV134: $i,SV18: $i] :
      ( ( ( ~ ( ~ ~ ! [SY363: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                                | ~ ( in @ SY363 @ SV18 ) )
                          | ( SV134
                           != ( singleton @ SY363 ) ) )
              | ( in @ SV134 @ ( sK26_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1436]) ).

thf(1495,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV22 )
              | ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV76 ) ) )
        = $true )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1437]) ).

thf(1496,plain,
    ! [SV76: $i,SV22: $i,SV135: $i] :
      ( ( ( ~ ( in @ SV135 @ SV22 )
          | ~ ( in @ SV135 @ SV76 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1438]) ).

thf(1497,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( ~ ! [SY352: $i] :
                ~ ~ ( ~ ( in @ SV126 @ SY352 )
                    | ~ ( in @ SY352 @ SV32 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1440]) ).

thf(1498,plain,
    ! [SV82: $i,SV32: $i,SV126: $i] :
      ( ( ( ~ ! [SY353: $i] :
                ~ ~ ( ~ ( in @ SV126 @ SY353 )
                    | ~ ( in @ SY353 @ SV32 ) ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1441]) ).

thf(1499,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1442]) ).

thf(1500,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ! [SY354: $i] :
              ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY354 )
                  | ~ ( in @ SY354 @ SV32 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1443]) ).

thf(1501,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i,SV133: $i] :
      ( ( ( ~ ( in @ SV133 @ SV115 )
          | ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                      | ~ ( ( SV133 != SV84 ) ) )
                | ~ ( ( SV133 != SV106 ) ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1444]) ).

thf(1502,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                        | ~ ( ( SV133 != SV84 ) ) )
                  | ~ ( ( SV133 != SV106 ) ) )
          | ( in @ SV133 @ SV115 ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1445]) ).

thf(1503,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
          | ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV34 ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV84 ) ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV106 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1446]) ).

thf(1504,plain,
    ! [SV87: $i,SV118: $i,SV41: $i,SV138: $i] :
      ( ( ( ~ ( element @ SV138 @ ( powerset @ SV41 ) )
          | ~ ( ~ ( ~ ( in @ SV138 @ SV118 )
                  | ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
                  | ( in @ SV138 @ SV118 ) ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1447]) ).

thf(1505,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( element @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ ( powerset @ SV41 ) )
          | ~ ( ~ ( ~ ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
                  | ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
                  | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1448]) ).

thf(1506,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( in @ SV119 @ SV42 )
        = $true )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1449]) ).

thf(1507,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ordinal @ SV119 )
        = $true )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1450]) ).

thf(1508,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( in @ SV119 @ SV42 )
        = $false )
      | ( ( ~ ( ordinal @ SV119 ) )
        = $true )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1451]) ).

thf(1509,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( ~ ( in @ SV45 @ SV116 ) )
        = $false )
      | ( ( ~ ( ( SV45 != SV116 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1452]) ).

thf(1510,plain,
    ! [SV46: $i] :
      ( ( ( ~ ~ ( ( ( sK9_SX1 @ SV46 )
                 != ( sK14_SY342 @ SV46 ) )
                | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1453]) ).

thf(1511,plain,
    ! [SV46: $i] :
      ( ( ( ( sK9_SX1 @ SV46 )
         != ( sK17_SY348 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1453]) ).

thf(1512,plain,
    ! [SV46: $i] :
      ( ( ( ~ ! [SY369: $i] :
                ~ ( ~ ( ~ ( in @ SY369 @ ( sK37_SY245 @ SV46 ) )
                      | ~ ! [SY247: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                      | ( SY247 != SY369 ) )
                                | ~ ( ordinal @ SY369 ) ) )
                  | ~ ( ~ ~ ! [SY248: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                        | ( SY248 != SY369 ) )
                                  | ~ ( ordinal @ SY369 ) )
                      | ( in @ SY369 @ ( sK37_SY245 @ SV46 ) ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1454]) ).

thf(1513,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
              | ~ ! [SY364: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                              | ( SY364 != SV136 ) )
                        | ~ ( ordinal @ SV136 ) ) ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1455]) ).

thf(1514,plain,
    ! [SV136: $i,SV46: $i] :
      ( ( ( ~ ( ~ ~ ! [SY365: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                                | ( SY365 != SV136 ) )
                          | ~ ( ordinal @ SV136 ) )
              | ( in @ SV136 @ ( sK27_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1455]) ).

thf(1515,plain,
    ! [SV89: $i,SV48: $i,SV109: $i,SV129: $i] :
      ( ( ( ~ ( in @ SV129 @ SV109 ) )
        = $true )
      | ( ( ( SV129 = SV48 )
          | ( SV129 = SV89 ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1456]) ).

thf(1516,plain,
    ! [SV109: $i,SV89: $i,SV48: $i,SV129: $i] :
      ( ( ( ~ ( ( SV129 = SV48 )
              | ( SV129 = SV89 ) ) )
        = $true )
      | ( ( in @ SV129 @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1457]) ).

thf(1517,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1458]) ).

thf(1518,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV48 )
          | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV89 ) )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1458]) ).

thf(1519,plain,
    ( ( ( ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      = $true )
    | ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1459]) ).

thf(1520,plain,
    ( ( ( ~ ( in @ sK10_SY311 @ sK4_SX0 ) )
      = $true )
    | ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1461]) ).

thf(1521,plain,
    ! [SV90: $i,SV51: $i,SV110: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV110 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV130 @ SV51 )
              | ~ ( in @ SV130 @ SV90 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1463]) ).

thf(1522,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV130 @ SV51 )
                | ~ ( in @ SV130 @ SV90 ) ) )
        = $true )
      | ( ( in @ SV130 @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1464]) ).

thf(1523,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1465]) ).

thf(1524,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
              | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1465]) ).

thf(1525,plain,
    ! [SV55: $i,SV94: $i,SV127: $i] :
      ( ( ( in @ SV127 @ SV94 )
        = $false )
      | ( ( subset @ SV127 @ SV55 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1466]) ).

thf(1526,plain,
    ! [SV94: $i,SV55: $i,SV127: $i] :
      ( ( ( subset @ SV127 @ SV55 )
        = $false )
      | ( ( in @ SV127 @ SV94 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1467]) ).

thf(1527,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $true )
      | ( ( ~ ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
              | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) ) )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1468]) ).

thf(1528,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
          | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) )
        = $false )
      | ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1469]) ).

thf(1529,plain,
    ! [SV97: $i,SV58: $i,SV111: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV111 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV131 @ SV58 )
              | ~ ~ ( in @ SV131 @ SV97 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1470]) ).

thf(1530,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV131 @ SV58 )
                | ~ ~ ( in @ SV131 @ SV97 ) ) )
        = $true )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1471]) ).

thf(1531,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1472]) ).

thf(1532,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
              | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1472]) ).

thf(1533,plain,
    ! [SV98: $i,SV59: $i,SV112: $i,SV132: $i] :
      ( ( ( ~ ( in @ SV132 @ SV112 ) )
        = $true )
      | ( ( ( in @ SV132 @ SV59 )
          | ( in @ SV132 @ SV98 ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1473]) ).

thf(1534,plain,
    ! [SV112: $i,SV98: $i,SV59: $i,SV132: $i] :
      ( ( ( ~ ( ( in @ SV132 @ SV59 )
              | ( in @ SV132 @ SV98 ) ) )
        = $true )
      | ( ( in @ SV132 @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1474]) ).

thf(1535,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1475]) ).

thf(1536,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1475]) ).

thf(1537,plain,
    ! [SV60: $i,SV99: $i,SV128: $i] :
      ( ( ( in @ SV128 @ SV99 )
        = $false )
      | ( ( SV128 = SV60 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1476]) ).

thf(1538,plain,
    ! [SV99: $i,SV60: $i,SV128: $i] :
      ( ( ( SV128 = SV60 )
        = $false )
      | ( ( in @ SV128 @ SV99 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1477]) ).

thf(1539,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $true )
      | ( ( ~ ( ( ( sK25_SY325 @ SV60 @ SV99 )
               != SV60 )
              | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) ) )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1478]) ).

thf(1540,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
           != SV60 )
          | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) )
        = $false )
      | ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1479]) ).

thf(1541,plain,
    ! [SV5: $i,SV63: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( in @ SV137 @ SV63 )
              | ~ ( in @ SV137 @ ( sK20_SY279 @ SV5 @ SV63 ) ) ) )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1480]) ).

thf(1542,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                      | ~ ( in @ SV124 @ SV12 ) )
                | ~ ~ ( in @ SV121 @ SV124 ) ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1484]) ).

thf(1543,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                      | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
                | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1485]) ).

thf(1544,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ( ( sK18_SY181 @ SV12 )
               != ( sK22_SY350 @ SV12 ) ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1485]) ).

thf(1545,plain,
    ! [SV13: $i] :
      ( ( ( element @ ( sK32_SY183 @ SV13 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1487]) ).

thf(1546,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( empty @ ( sK32_SY183 @ SV13 ) ) )
        = $true )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1488]) ).

thf(1547,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
              | ( ( sK12_SY338 @ SV18 )
               != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1490]) ).

thf(1548,plain,
    ! [SV18: $i] :
      ( ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1491]) ).

thf(1549,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY366: $i] :
              ~ ( ~ ( ~ ( in @ SY366 @ ( sK35_SY193 @ SV18 ) )
                    | ~ ! [SY195: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                    | ~ ( in @ SY195 @ SV18 ) )
                              | ( SY366
                               != ( singleton @ SY195 ) ) ) )
                | ~ ( ~ ~ ! [SY196: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                      | ~ ( in @ SY196 @ SV18 ) )
                                | ( SY366
                                 != ( singleton @ SY196 ) ) )
                    | ( in @ SY366 @ ( sK35_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1492]) ).

thf(1550,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
          | ~ ! [SY362: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                          | ~ ( in @ SY362 @ SV18 ) )
                    | ( SV134
                     != ( singleton @ SY362 ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1493]) ).

thf(1551,plain,
    ! [SV134: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY363: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                            | ~ ( in @ SY363 @ SV18 ) )
                      | ( SV134
                       != ( singleton @ SY363 ) ) )
          | ( in @ SV134 @ ( sK26_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1494]) ).

thf(1552,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV22 )
          | ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV76 ) )
        = $false )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1495]) ).

thf(1553,plain,
    ! [SV76: $i,SV22: $i,SV135: $i] :
      ( ( ( ~ ( in @ SV135 @ SV22 ) )
        = $true )
      | ( ( ~ ( in @ SV135 @ SV76 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1496]) ).

thf(1554,plain,
    ! [SV82: $i,SV32: $i,SV126: $i] :
      ( ( ( ! [SY352: $i] :
              ~ ~ ( ~ ( in @ SV126 @ SY352 )
                  | ~ ( in @ SY352 @ SV32 ) ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1497]) ).

thf(1555,plain,
    ! [SV82: $i,SV32: $i,SV126: $i] :
      ( ( ( ! [SY353: $i] :
              ~ ~ ( ~ ( in @ SV126 @ SY353 )
                  | ~ ( in @ SY353 @ SV32 ) ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1498]) ).

thf(1556,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ! [SY355: $i] :
                  ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                      | ~ ( in @ SY355 @ SV32 ) )
          | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1499]) ).

thf(1557,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
                | ~ ( in @ SV139 @ SV32 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1500]) ).

thf(1558,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i,SV133: $i] :
      ( ( ( ~ ( in @ SV133 @ SV115 ) )
        = $true )
      | ( ( ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                      | ~ ( ( SV133 != SV84 ) ) )
                | ~ ( ( SV133 != SV106 ) ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1501]) ).

thf(1559,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                        | ~ ( ( SV133 != SV84 ) ) )
                  | ~ ( ( SV133 != SV106 ) ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1502]) ).

thf(1560,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1503]) ).

thf(1561,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV34 ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV84 ) ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV106 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1503]) ).

thf(1562,plain,
    ! [SV87: $i,SV118: $i,SV41: $i,SV138: $i] :
      ( ( ( ~ ( element @ SV138 @ ( powerset @ SV41 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ SV138 @ SV118 )
                  | ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
                  | ( in @ SV138 @ SV118 ) ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1504]) ).

thf(1563,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( element @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1505]) ).

thf(1564,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
                  | ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
                  | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1505]) ).

thf(1565,plain,
    ! [SV42: $i,SV119: $i] :
      ( ( ( ordinal @ SV119 )
        = $false )
      | ( ( in @ SV119 @ SV42 )
        = $false )
      | ( ( in @ SV119 @ ( sK6_SY237 @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1508]) ).

thf(1566,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( in @ SV45 @ SV116 )
        = $true )
      | ( ( ~ ( ( SV45 != SV116 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1509]) ).

thf(1567,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( ( ( sK9_SX1 @ SV46 )
               != ( sK14_SY342 @ SV46 ) )
              | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1510]) ).

thf(1568,plain,
    ! [SV46: $i] :
      ( ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1511]) ).

thf(1569,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY369: $i] :
              ~ ( ~ ( ~ ( in @ SY369 @ ( sK37_SY245 @ SV46 ) )
                    | ~ ! [SY247: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                    | ( SY247 != SY369 ) )
                              | ~ ( ordinal @ SY369 ) ) )
                | ~ ( ~ ~ ! [SY248: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                      | ( SY248 != SY369 ) )
                                | ~ ( ordinal @ SY369 ) )
                    | ( in @ SY369 @ ( sK37_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1512]) ).

thf(1570,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
          | ~ ! [SY364: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                          | ( SY364 != SV136 ) )
                    | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1513]) ).

thf(1571,plain,
    ! [SV136: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY365: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                            | ( SY365 != SV136 ) )
                      | ~ ( ordinal @ SV136 ) )
          | ( in @ SV136 @ ( sK27_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1514]) ).

thf(1572,plain,
    ! [SV89: $i,SV48: $i,SV109: $i,SV129: $i] :
      ( ( ( in @ SV129 @ SV109 )
        = $false )
      | ( ( ( SV129 = SV48 )
          | ( SV129 = SV89 ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1515]) ).

thf(1573,plain,
    ! [SV109: $i,SV89: $i,SV48: $i,SV129: $i] :
      ( ( ( ( SV129 = SV48 )
          | ( SV129 = SV89 ) )
        = $false )
      | ( ( in @ SV129 @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1516]) ).

thf(1574,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $true )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1517]) ).

thf(1575,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1518]) ).

thf(1576,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $false )
      | ( ( ~ ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV48 )
                  | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                    = SV89 ) )
              | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) ) )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1518]) ).

thf(1577,plain,
    ( ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $false )
    | ( ( in @ sK10_SY311 @ ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1519]) ).

thf(1578,plain,
    ( ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $false )
    | ( ( in @ sK10_SY311 @ sK4_SX0 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1520]) ).

thf(1579,plain,
    ! [SV90: $i,SV51: $i,SV110: $i,SV130: $i] :
      ( ( ( in @ SV130 @ SV110 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV130 @ SV51 )
              | ~ ( in @ SV130 @ SV90 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1521]) ).

thf(1580,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ( ~ ( in @ SV130 @ SV51 )
              | ~ ( in @ SV130 @ SV90 ) ) )
        = $false )
      | ( ( in @ SV130 @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1522]) ).

thf(1581,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1523]) ).

thf(1582,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
          | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1524]) ).

thf(1583,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
          | ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 ) )
        = $false )
      | ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1527]) ).

thf(1584,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 ) )
        = $false )
      | ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1528]) ).

thf(1585,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $false )
      | ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1528]) ).

thf(1586,plain,
    ! [SV97: $i,SV58: $i,SV111: $i,SV131: $i] :
      ( ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV131 @ SV58 )
              | ~ ~ ( in @ SV131 @ SV97 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1529]) ).

thf(1587,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( in @ SV131 @ SV58 )
              | ~ ~ ( in @ SV131 @ SV97 ) ) )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1530]) ).

thf(1588,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1531]) ).

thf(1589,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
          | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1532]) ).

thf(1590,plain,
    ! [SV98: $i,SV59: $i,SV112: $i,SV132: $i] :
      ( ( ( in @ SV132 @ SV112 )
        = $false )
      | ( ( ( in @ SV132 @ SV59 )
          | ( in @ SV132 @ SV98 ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1533]) ).

thf(1591,plain,
    ! [SV112: $i,SV98: $i,SV59: $i,SV132: $i] :
      ( ( ( ( in @ SV132 @ SV59 )
          | ( in @ SV132 @ SV98 ) )
        = $false )
      | ( ( in @ SV132 @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1534]) ).

thf(1592,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $true )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1535]) ).

thf(1593,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1536]) ).

thf(1594,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $false )
      | ( ( ~ ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
                  | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) ) )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1536]) ).

thf(1595,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
           != SV60 )
          | ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 ) )
        = $false )
      | ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1539]) ).

thf(1596,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
         != SV60 )
        = $false )
      | ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1540]) ).

thf(1597,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $false )
      | ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1540]) ).

thf(1598,plain,
    ! [SV5: $i,SV63: $i,SV137: $i] :
      ( ( ( ~ ( in @ SV137 @ SV63 )
          | ~ ( in @ SV137 @ ( sK20_SY279 @ SV5 @ SV63 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1541]) ).

thf(1599,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                    | ~ ( in @ SV124 @ SV12 ) )
              | ~ ~ ( in @ SV121 @ SV124 ) ) )
        = $false )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1542]) ).

thf(1600,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                    | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
              | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1543]) ).

thf(1601,plain,
    ! [SV12: $i] :
      ( ( ( ( sK18_SY181 @ SV12 )
         != ( sK22_SY350 @ SV12 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1544]) ).

thf(1602,plain,
    ! [SV13: $i] :
      ( ( ( empty @ ( sK32_SY183 @ SV13 ) )
        = $false )
      | ( ( empty_carrier @ SV13 )
        = $true )
      | ( ( one_sorted_str @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1546]) ).

thf(1603,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
          | ( ( sK12_SY338 @ SV18 )
           != ( singleton @ ( sK8_SY190 @ SV18 ) ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1547]) ).

thf(1604,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY193: $i] :
              ~ ! [SY194: $i] :
                  ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                        | ~ ! [SY195: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                        | ~ ( in @ SY195 @ SV18 ) )
                                  | ( SY194
                                   != ( singleton @ SY195 ) ) ) )
                    | ~ ( ~ ~ ! [SY196: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                          | ~ ( in @ SY196 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY196 ) ) )
                        | ( in @ SY194 @ SY193 ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1548]) ).

thf(1605,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
                  | ~ ! [SY372: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                                  | ~ ( in @ SY372 @ SV18 ) )
                            | ( SV140
                             != ( singleton @ SY372 ) ) ) )
              | ~ ( ~ ~ ! [SY373: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                                    | ~ ( in @ SY373 @ SV18 ) )
                              | ( SV140
                               != ( singleton @ SY373 ) ) )
                  | ( in @ SV140 @ ( sK35_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1549]) ).

thf(1606,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( in @ SV134 @ ( sK26_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY362: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                          | ~ ( in @ SY362 @ SV18 ) )
                    | ( SV134
                     != ( singleton @ SY362 ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1550]) ).

thf(1607,plain,
    ! [SV134: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY363: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                            | ~ ( in @ SY363 @ SV18 ) )
                      | ( SV134
                       != ( singleton @ SY363 ) ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1551]) ).

thf(1608,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV22 ) )
        = $false )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1552]) ).

thf(1609,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( ~ ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV76 ) )
        = $false )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1552]) ).

thf(1610,plain,
    ! [SV76: $i,SV22: $i,SV135: $i] :
      ( ( ( in @ SV135 @ SV22 )
        = $false )
      | ( ( ~ ( in @ SV135 @ SV76 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1553]) ).

thf(1611,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV126 @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) )
                | ~ ( in @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) @ SV32 ) ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1554]) ).

thf(1612,plain,
    ! [SV82: $i,SV32: $i,SV141: $i,SV126: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV126 @ SV141 )
                | ~ ( in @ SV141 @ SV32 ) ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1555]) ).

thf(1613,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ! [SY355: $i] :
                  ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                      | ~ ( in @ SY355 @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1556]) ).

thf(1614,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1556]) ).

thf(1615,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
              | ~ ( in @ SV139 @ SV32 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1557]) ).

thf(1616,plain,
    ! [SV106: $i,SV84: $i,SV34: $i,SV115: $i,SV133: $i] :
      ( ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                      | ~ ( ( SV133 != SV84 ) ) )
                | ~ ( ( SV133 != SV106 ) ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1558]) ).

thf(1617,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                      | ~ ( ( SV133 != SV84 ) ) )
                | ~ ( ( SV133 != SV106 ) ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1559]) ).

thf(1618,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1560]) ).

thf(1619,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV34 ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV84 ) ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV106 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1561]) ).

thf(1620,plain,
    ! [SV87: $i,SV118: $i,SV41: $i,SV138: $i] :
      ( ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ SV138 @ SV118 )
                  | ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
                  | ( in @ SV138 @ SV118 ) ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1562]) ).

thf(1621,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( element @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ ( powerset @ SV41 ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1563]) ).

thf(1622,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
              | ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) )
          | ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
              | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1564]) ).

thf(1623,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( SV45 != SV116 )
        = $false )
      | ( ( in @ SV45 @ SV116 )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1566]) ).

thf(1624,plain,
    ! [SV46: $i] :
      ( ( ( ( ( sK9_SX1 @ SV46 )
           != ( sK14_SY342 @ SV46 ) )
          | ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1567]) ).

thf(1625,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY245: $i] :
              ~ ! [SY246: $i] :
                  ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                        | ~ ! [SY247: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                        | ( SY247 != SY246 ) )
                                  | ~ ( ordinal @ SY246 ) ) )
                    | ~ ( ~ ~ ! [SY248: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                          | ( SY248 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) )
                        | ( in @ SY246 @ SY245 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1568]) ).

thf(1626,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
                  | ~ ! [SY374: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                                  | ( SY374 != SV142 ) )
                            | ~ ( ordinal @ SV142 ) ) )
              | ~ ( ~ ~ ! [SY375: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                                    | ( SY375 != SV142 ) )
                              | ~ ( ordinal @ SV142 ) )
                  | ( in @ SV142 @ ( sK37_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1569]) ).

thf(1627,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( in @ SV136 @ ( sK27_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ~ ! [SY364: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                          | ( SY364 != SV136 ) )
                    | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1570]) ).

thf(1628,plain,
    ! [SV136: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY365: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                            | ( SY365 != SV136 ) )
                      | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1571]) ).

thf(1629,plain,
    ! [SV109: $i,SV89: $i,SV48: $i,SV129: $i] :
      ( ( ( SV129 = SV48 )
        = $true )
      | ( ( SV129 = SV89 )
        = $true )
      | ( ( in @ SV129 @ SV109 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1572]) ).

thf(1630,plain,
    ! [SV89: $i,SV109: $i,SV48: $i,SV129: $i] :
      ( ( ( SV129 = SV48 )
        = $false )
      | ( ( in @ SV129 @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1573]) ).

thf(1631,plain,
    ! [SV48: $i,SV109: $i,SV89: $i,SV129: $i] :
      ( ( ( SV129 = SV89 )
        = $false )
      | ( ( in @ SV129 @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1573]) ).

thf(1632,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) )
          | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) )
        = $false )
      | ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1574]) ).

thf(1633,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) )
          | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) )
        = $false )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1575]) ).

thf(1634,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) )
          | ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 ) )
        = $false )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1576]) ).

thf(1635,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV51 )
          | ~ ( in @ SV130 @ SV90 ) )
        = $false )
      | ( ( in @ SV130 @ SV110 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1579]) ).

thf(1636,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV51 )
          | ~ ( in @ SV130 @ SV90 ) )
        = $true )
      | ( ( in @ SV130 @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1580]) ).

thf(1637,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
          | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1581]) ).

thf(1638,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 ) )
        = $true )
      | ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1582]) ).

thf(1639,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( ~ ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 ) )
        = $false )
      | ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1583]) ).

thf(1640,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $false )
      | ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1583]) ).

thf(1641,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $true )
      | ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $false )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1584]) ).

thf(1642,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV58 )
          | ~ ~ ( in @ SV131 @ SV97 ) )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1586]) ).

thf(1643,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV58 )
          | ~ ~ ( in @ SV131 @ SV97 ) )
        = $true )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1587]) ).

thf(1644,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
          | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1588]) ).

thf(1645,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 ) )
        = $true )
      | ( ( ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1589]) ).

thf(1646,plain,
    ! [SV112: $i,SV98: $i,SV59: $i,SV132: $i] :
      ( ( ( in @ SV132 @ SV59 )
        = $true )
      | ( ( in @ SV132 @ SV98 )
        = $true )
      | ( ( in @ SV132 @ SV112 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1590]) ).

thf(1647,plain,
    ! [SV98: $i,SV112: $i,SV59: $i,SV132: $i] :
      ( ( ( in @ SV132 @ SV59 )
        = $false )
      | ( ( in @ SV132 @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1591]) ).

thf(1648,plain,
    ! [SV59: $i,SV112: $i,SV98: $i,SV132: $i] :
      ( ( ( in @ SV132 @ SV98 )
        = $false )
      | ( ( in @ SV132 @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1591]) ).

thf(1649,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1592]) ).

thf(1650,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1593]) ).

thf(1651,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 ) )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1594]) ).

thf(1652,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
         != SV60 )
        = $false )
      | ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1595]) ).

thf(1653,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $false )
      | ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1595]) ).

thf(1654,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $true )
      | ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $false )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1596]) ).

thf(1655,plain,
    ! [SV5: $i,SV63: $i,SV137: $i] :
      ( ( ( ~ ( in @ SV137 @ SV63 ) )
        = $true )
      | ( ( ~ ( in @ SV137 @ ( sK20_SY279 @ SV5 @ SV63 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1598]) ).

thf(1656,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                | ~ ( in @ SV124 @ SV12 ) )
          | ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1599]) ).

thf(1657,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
          | ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1600]) ).

thf(1658,plain,
    ! [SV12: $i] :
      ( ( ( ( sK18_SY181 @ SV12 )
          = ( sK22_SY350 @ SV12 ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1601]) ).

thf(1659,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( in @ ( sK8_SY190 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1603]) ).

thf(1660,plain,
    ! [SV18: $i] :
      ( ( ( ( sK12_SY338 @ SV18 )
         != ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $false )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1603]) ).

thf(1661,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY376: $i] :
                ~ ( ~ ( ~ ( in @ SY376 @ ( sK39_SY193 @ SV18 ) )
                      | ~ ! [SY195: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                      | ~ ( in @ SY195 @ SV18 ) )
                                | ( SY376
                                 != ( singleton @ SY195 ) ) ) )
                  | ~ ( ~ ~ ! [SY196: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                        | ~ ( in @ SY196 @ SV18 ) )
                                  | ( SY376
                                   != ( singleton @ SY196 ) ) )
                      | ( in @ SY376 @ ( sK39_SY193 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1604]) ).

thf(1662,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( ~ ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
              | ~ ! [SY372: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                              | ~ ( in @ SY372 @ SV18 ) )
                        | ( SV140
                         != ( singleton @ SY372 ) ) ) )
          | ~ ( ~ ~ ! [SY373: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                                | ~ ( in @ SY373 @ SV18 ) )
                          | ( SV140
                           != ( singleton @ SY373 ) ) )
              | ( in @ SV140 @ ( sK35_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1605]) ).

thf(1663,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY362: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                          | ~ ( in @ SY362 @ SV18 ) )
                    | ( SV134
                     != ( singleton @ SY362 ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1606]) ).

thf(1664,plain,
    ! [SV134: $i,SV18: $i] :
      ( ( ( ~ ! [SY363: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                          | ~ ( in @ SY363 @ SV18 ) )
                    | ( SV134
                     != ( singleton @ SY363 ) ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1607]) ).

thf(1665,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV22 )
        = $true )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1608]) ).

thf(1666,plain,
    ! [SV22: $i,SV76: $i] :
      ( ( ( in @ ( sK34_SY289 @ SV76 @ SV22 ) @ SV76 )
        = $true )
      | ( ( disjoint @ SV22 @ SV76 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1609]) ).

thf(1667,plain,
    ! [SV22: $i,SV76: $i,SV135: $i] :
      ( ( ( in @ SV135 @ SV76 )
        = $false )
      | ( ( in @ SV135 @ SV22 )
        = $false )
      | ( ( ~ ( disjoint @ SV22 @ SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1610]) ).

thf(1668,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( ~ ( in @ SV126 @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) )
              | ~ ( in @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) @ SV32 ) ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1611]) ).

thf(1669,plain,
    ! [SV82: $i,SV32: $i,SV141: $i,SV126: $i] :
      ( ( ( ~ ( ~ ( in @ SV126 @ SV141 )
              | ~ ( in @ SV141 @ SV32 ) ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1612]) ).

thf(1670,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ! [SY355: $i] :
                ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                    | ~ ( in @ SY355 @ SV32 ) ) )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1613]) ).

thf(1671,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
          | ~ ( in @ SV139 @ SV32 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1615]) ).

thf(1672,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                    | ~ ( ( SV133 != SV84 ) ) )
              | ~ ( ( SV133 != SV106 ) ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1616]) ).

thf(1673,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                    | ~ ( ( SV133 != SV84 ) ) )
              | ~ ( ( SV133 != SV106 ) ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1617]) ).

thf(1674,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) )
          | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) )
        = $false )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1618]) ).

thf(1675,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1619]) ).

thf(1676,plain,
    ! [SV87: $i,SV41: $i,SV118: $i,SV138: $i] :
      ( ( ( ~ ( ~ ( in @ SV138 @ SV118 )
              | ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) )
          | ~ ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
              | ( in @ SV138 @ SV118 ) ) )
        = $false )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1620]) ).

thf(1677,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
              | ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
              | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1622]) ).

thf(1678,plain,
    ! [SV116: $i,SV45: $i] :
      ( ( ( SV45 = SV116 )
        = $true )
      | ( ( in @ SV45 @ SV116 )
        = $true )
      | ( ( ~ ~ ( in @ SV116 @ SV45 ) )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1623]) ).

thf(1679,plain,
    ! [SV46: $i] :
      ( ( ( ( sK9_SX1 @ SV46 )
         != ( sK14_SY342 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1624]) ).

thf(1680,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( ordinal @ ( sK14_SY342 @ SV46 ) ) )
        = $false )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1624]) ).

thf(1681,plain,
    ! [SV46: $i] :
      ( ( ( ~ ! [SY379: $i] :
                ~ ( ~ ( ~ ( in @ SY379 @ ( sK40_SY245 @ SV46 ) )
                      | ~ ! [SY247: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                      | ( SY247 != SY379 ) )
                                | ~ ( ordinal @ SY379 ) ) )
                  | ~ ( ~ ~ ! [SY248: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                        | ( SY248 != SY379 ) )
                                  | ~ ( ordinal @ SY379 ) )
                      | ( in @ SY379 @ ( sK40_SY245 @ SV46 ) ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1625]) ).

thf(1682,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
              | ~ ! [SY374: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                              | ( SY374 != SV142 ) )
                        | ~ ( ordinal @ SV142 ) ) )
          | ~ ( ~ ~ ! [SY375: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                                | ( SY375 != SV142 ) )
                          | ~ ( ordinal @ SV142 ) )
              | ( in @ SV142 @ ( sK37_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1626]) ).

thf(1683,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY364: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                          | ( SY364 != SV136 ) )
                    | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1627]) ).

thf(1684,plain,
    ! [SV136: $i,SV46: $i] :
      ( ( ( ~ ! [SY365: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                          | ( SY365 != SV136 ) )
                    | ~ ( ordinal @ SV136 ) ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1628]) ).

thf(1685,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) ) )
        = $false )
      | ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1632]) ).

thf(1686,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $false )
      | ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1632]) ).

thf(1687,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) ) )
        = $false )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1688,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $false )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1633]) ).

thf(1689,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ~ ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV48 )
              | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
                = SV89 ) ) )
        = $false )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1634]) ).

thf(1690,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $false )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1634]) ).

thf(1691,plain,
    ! [SV90: $i,SV110: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV51 ) )
        = $false )
      | ( ( in @ SV130 @ SV110 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1635]) ).

thf(1692,plain,
    ! [SV51: $i,SV110: $i,SV90: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV90 ) )
        = $false )
      | ( ( in @ SV130 @ SV110 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1635]) ).

thf(1693,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( ~ ( in @ SV130 @ SV51 ) )
        = $true )
      | ( ( ~ ( in @ SV130 @ SV90 ) )
        = $true )
      | ( ( in @ SV130 @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1636]) ).

thf(1694,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1637]) ).

thf(1695,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1637]) ).

thf(1696,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1638]) ).

thf(1697,plain,
    ! [SV94: $i,SV55: $i] :
      ( ( ( subset @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV55 )
        = $true )
      | ( ( in @ ( sK24_SY316 @ SV55 @ SV94 ) @ SV94 )
        = $true )
      | ( ( SV94
          = ( powerset @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1639]) ).

thf(1698,plain,
    ! [SV97: $i,SV111: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV58 ) )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1642]) ).

thf(1699,plain,
    ! [SV58: $i,SV111: $i,SV97: $i,SV131: $i] :
      ( ( ( ~ ~ ( in @ SV131 @ SV97 ) )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1642]) ).

thf(1700,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV58 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV131 @ SV97 ) )
        = $true )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1643]) ).

thf(1701,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1644]) ).

thf(1702,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1644]) ).

thf(1703,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1645]) ).

thf(1704,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) ) )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1649]) ).

thf(1705,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1649]) ).

thf(1706,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) ) )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1650]) ).

thf(1707,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1650]) ).

thf(1708,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ~ ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
              | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) ) )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1651]) ).

thf(1709,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $false )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1651]) ).

thf(1710,plain,
    ! [SV99: $i,SV60: $i] :
      ( ( ( ( sK25_SY325 @ SV60 @ SV99 )
          = SV60 )
        = $true )
      | ( ( in @ ( sK25_SY325 @ SV60 @ SV99 ) @ SV99 )
        = $true )
      | ( ( SV99
          = ( singleton @ SV60 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1652]) ).

thf(1711,plain,
    ! [SV5: $i,SV63: $i,SV137: $i] :
      ( ( ( in @ SV137 @ SV63 )
        = $false )
      | ( ( ~ ( in @ SV137 @ ( sK20_SY279 @ SV5 @ SV63 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1655]) ).

thf(1712,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV121 @ SV12 )
                | ~ ( in @ SV124 @ SV12 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1656]) ).

thf(1713,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
                | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1657]) ).

thf(1714,plain,
    ! [SV12: $i] :
      ( ( ( ~ ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1657]) ).

thf(1715,plain,
    ! [SV18: $i] :
      ( ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1659]) ).

thf(1716,plain,
    ! [SV18: $i] :
      ( ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY193: $i] :
                ~ ! [SY194: $i] :
                    ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                          | ~ ! [SY195: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                          | ~ ( in @ SY195 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY195 ) ) ) )
                      | ~ ( ~ ~ ! [SY196: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                            | ~ ( in @ SY196 @ SV18 ) )
                                      | ( SY194
                                       != ( singleton @ SY196 ) ) )
                          | ( in @ SY194 @ SY193 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1660]) ).

thf(1717,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY376: $i] :
              ~ ( ~ ( ~ ( in @ SY376 @ ( sK39_SY193 @ SV18 ) )
                    | ~ ! [SY195: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                    | ~ ( in @ SY195 @ SV18 ) )
                              | ( SY376
                               != ( singleton @ SY195 ) ) ) )
                | ~ ( ~ ~ ! [SY196: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                      | ~ ( in @ SY196 @ SV18 ) )
                                | ( SY376
                                 != ( singleton @ SY196 ) ) )
                    | ( in @ SY376 @ ( sK39_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1661]) ).

thf(1718,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( ~ ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
              | ~ ! [SY372: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                              | ~ ( in @ SY372 @ SV18 ) )
                        | ( SV140
                         != ( singleton @ SY372 ) ) ) ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1662]) ).

thf(1719,plain,
    ! [SV140: $i,SV18: $i] :
      ( ( ( ~ ( ~ ~ ! [SY373: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                                | ~ ( in @ SY373 @ SV18 ) )
                          | ( SV140
                           != ( singleton @ SY373 ) ) )
              | ( in @ SV140 @ ( sK35_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1662]) ).

thf(1720,plain,
    ! [SV134: $i,SV18: $i] :
      ( ( ( ! [SY362: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY362 @ SV18 )
                        | ~ ( in @ SY362 @ SV18 ) )
                  | ( SV134
                   != ( singleton @ SY362 ) ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1663]) ).

thf(1721,plain,
    ! [SV134: $i,SV18: $i] :
      ( ( ( ! [SY363: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY363 @ SV18 )
                        | ~ ( in @ SY363 @ SV18 ) )
                  | ( SV134
                   != ( singleton @ SY363 ) ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1664]) ).

thf(1722,plain,
    ! [SV135: $i,SV76: $i,SV22: $i] :
      ( ( ( disjoint @ SV22 @ SV76 )
        = $false )
      | ( ( in @ SV135 @ SV22 )
        = $false )
      | ( ( in @ SV135 @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1667]) ).

thf(1723,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( in @ SV126 @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) )
          | ~ ( in @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) @ SV32 ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1668]) ).

thf(1724,plain,
    ! [SV82: $i,SV32: $i,SV141: $i,SV126: $i] :
      ( ( ( ~ ( in @ SV126 @ SV141 )
          | ~ ( in @ SV141 @ SV32 ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1669]) ).

thf(1725,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ! [SY355: $i] :
              ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                  | ~ ( in @ SY355 @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1670]) ).

thf(1726,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 ) )
        = $true )
      | ( ( ~ ( in @ SV139 @ SV32 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1671]) ).

thf(1727,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                | ~ ( ( SV133 != SV84 ) ) )
          | ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1672]) ).

thf(1728,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                | ~ ( ( SV133 != SV84 ) ) )
          | ~ ( ( SV133 != SV106 ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1673]) ).

thf(1729,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) ) )
        = $false )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1674]) ).

thf(1730,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $false )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1674]) ).

thf(1731,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1675]) ).

thf(1732,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1675]) ).

thf(1733,plain,
    ! [SV87: $i,SV41: $i,SV118: $i,SV138: $i] :
      ( ( ( ~ ( ~ ( in @ SV138 @ SV118 )
              | ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) ) )
        = $false )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1676]) ).

thf(1734,plain,
    ! [SV118: $i,SV87: $i,SV138: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
              | ( in @ SV138 @ SV118 ) ) )
        = $false )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1676]) ).

thf(1735,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
          | ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
              | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1677]) ).

thf(1736,plain,
    ! [SV45: $i,SV116: $i] :
      ( ( ( ~ ( in @ SV116 @ SV45 ) )
        = $false )
      | ( ( in @ SV45 @ SV116 )
        = $true )
      | ( ( SV45 = SV116 )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1678]) ).

thf(1737,plain,
    ! [SV46: $i] :
      ( ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1679]) ).

thf(1738,plain,
    ! [SV46: $i] :
      ( ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true )
      | ( ( ~ ! [SY245: $i] :
                ~ ! [SY246: $i] :
                    ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                          | ~ ! [SY247: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                          | ( SY247 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) ) )
                      | ~ ( ~ ~ ! [SY248: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                            | ( SY248 != SY246 ) )
                                      | ~ ( ordinal @ SY246 ) )
                          | ( in @ SY246 @ SY245 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1680]) ).

thf(1739,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY379: $i] :
              ~ ( ~ ( ~ ( in @ SY379 @ ( sK40_SY245 @ SV46 ) )
                    | ~ ! [SY247: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                    | ( SY247 != SY379 ) )
                              | ~ ( ordinal @ SY379 ) ) )
                | ~ ( ~ ~ ! [SY248: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                      | ( SY248 != SY379 ) )
                                | ~ ( ordinal @ SY379 ) )
                    | ( in @ SY379 @ ( sK40_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1681]) ).

thf(1740,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
              | ~ ! [SY374: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                              | ( SY374 != SV142 ) )
                        | ~ ( ordinal @ SV142 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1682]) ).

thf(1741,plain,
    ! [SV142: $i,SV46: $i] :
      ( ( ( ~ ( ~ ~ ! [SY375: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                                | ( SY375 != SV142 ) )
                          | ~ ( ordinal @ SV142 ) )
              | ( in @ SV142 @ ( sK37_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1682]) ).

thf(1742,plain,
    ! [SV136: $i,SV46: $i] :
      ( ( ( ! [SY364: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY364 @ SV46 )
                        | ( SY364 != SV136 ) )
                  | ~ ( ordinal @ SV136 ) ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1683]) ).

thf(1743,plain,
    ! [SV136: $i,SV46: $i] :
      ( ( ( ! [SY365: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY365 @ SV46 )
                        | ( SY365 != SV136 ) )
                  | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1684]) ).

thf(1744,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV48 )
          | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV89 ) )
        = $true )
      | ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1685]) ).

thf(1745,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV48 )
          | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV89 ) )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1687]) ).

thf(1746,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV48 )
          | ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
            = SV89 ) )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1689]) ).

thf(1747,plain,
    ! [SV90: $i,SV110: $i,SV51: $i,SV130: $i] :
      ( ( ( in @ SV130 @ SV51 )
        = $true )
      | ( ( in @ SV130 @ SV110 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1691]) ).

thf(1748,plain,
    ! [SV51: $i,SV110: $i,SV90: $i,SV130: $i] :
      ( ( ( in @ SV130 @ SV90 )
        = $true )
      | ( ( in @ SV130 @ SV110 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1692]) ).

thf(1749,plain,
    ! [SV110: $i,SV90: $i,SV51: $i,SV130: $i] :
      ( ( ( in @ SV130 @ SV51 )
        = $false )
      | ( ( ~ ( in @ SV130 @ SV90 ) )
        = $true )
      | ( ( in @ SV130 @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1693]) ).

thf(1750,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
              | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
        = $true )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1694]) ).

thf(1751,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                    | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
              | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) ) )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1696]) ).

thf(1752,plain,
    ! [SV97: $i,SV111: $i,SV58: $i,SV131: $i] :
      ( ( ( in @ SV131 @ SV58 )
        = $true )
      | ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1698]) ).

thf(1753,plain,
    ! [SV58: $i,SV111: $i,SV97: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV97 ) )
        = $true )
      | ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1699]) ).

thf(1754,plain,
    ! [SV111: $i,SV97: $i,SV58: $i,SV131: $i] :
      ( ( ( in @ SV131 @ SV58 )
        = $false )
      | ( ( ~ ~ ( in @ SV131 @ SV97 ) )
        = $true )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1700]) ).

thf(1755,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
              | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1701]) ).

thf(1756,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1703]) ).

thf(1757,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1704]) ).

thf(1758,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1706]) ).

thf(1759,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
          | ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 ) )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1708]) ).

thf(1760,plain,
    ! [SV63: $i,SV5: $i,SV137: $i] :
      ( ( ( in @ SV137 @ ( sK20_SY279 @ SV5 @ SV63 ) )
        = $false )
      | ( ( in @ SV137 @ SV63 )
        = $false )
      | ( ( in @ SV5 @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1711]) ).

thf(1761,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ( ~ ( in @ SV121 @ SV12 )
              | ~ ( in @ SV124 @ SV12 ) ) )
        = $false )
      | ( ( ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1712]) ).

thf(1762,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
              | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1713]) ).

thf(1763,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1714]) ).

thf(1764,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY193: $i] :
              ~ ! [SY194: $i] :
                  ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                        | ~ ! [SY195: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                        | ~ ( in @ SY195 @ SV18 ) )
                                  | ( SY194
                                   != ( singleton @ SY195 ) ) ) )
                    | ~ ( ~ ~ ! [SY196: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                          | ~ ( in @ SY196 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY196 ) ) )
                        | ( in @ SY194 @ SY193 ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1715]) ).

thf(1765,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY193: $i] :
              ~ ! [SY194: $i] :
                  ~ ( ~ ( ~ ( in @ SY194 @ SY193 )
                        | ~ ! [SY195: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                        | ~ ( in @ SY195 @ SV18 ) )
                                  | ( SY194
                                   != ( singleton @ SY195 ) ) ) )
                    | ~ ( ~ ~ ! [SY196: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                          | ~ ( in @ SY196 @ SV18 ) )
                                    | ( SY194
                                     != ( singleton @ SY196 ) ) )
                        | ( in @ SY194 @ SY193 ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1716]) ).

thf(1766,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
                  | ~ ! [SY382: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                                  | ~ ( in @ SY382 @ SV18 ) )
                            | ( SV143
                             != ( singleton @ SY382 ) ) ) )
              | ~ ( ~ ~ ! [SY383: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                                    | ~ ( in @ SY383 @ SV18 ) )
                              | ( SV143
                               != ( singleton @ SY383 ) ) )
                  | ( in @ SV143 @ ( sK39_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1717]) ).

thf(1767,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
          | ~ ! [SY372: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                          | ~ ( in @ SY372 @ SV18 ) )
                    | ( SV140
                     != ( singleton @ SY372 ) ) ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1718]) ).

thf(1768,plain,
    ! [SV140: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY373: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                            | ~ ( in @ SY373 @ SV18 ) )
                      | ( SV140
                       != ( singleton @ SY373 ) ) )
          | ( in @ SV140 @ ( sK35_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1719]) ).

thf(1769,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
                      | ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) )
                | ( SV134
                 != ( singleton @ ( sK41_SY362 @ SV134 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1720]) ).

thf(1770,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV144 @ SV18 )
                      | ~ ( in @ SV144 @ SV18 ) )
                | ( SV134
                 != ( singleton @ SV144 ) ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1721]) ).

thf(1771,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( ~ ( in @ SV126 @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1723]) ).

thf(1772,plain,
    ! [SV126: $i,SV32: $i,SV82: $i] :
      ( ( ( ~ ( in @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) @ SV32 ) )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1723]) ).

thf(1773,plain,
    ! [SV82: $i,SV32: $i,SV141: $i,SV126: $i] :
      ( ( ( ~ ( in @ SV126 @ SV141 ) )
        = $true )
      | ( ( ~ ( in @ SV141 @ SV32 ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1724]) ).

thf(1774,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK42_SY355 @ SV82 @ SV32 ) )
                | ~ ( in @ ( sK42_SY355 @ SV82 @ SV32 ) @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1725]) ).

thf(1775,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( ~ ( in @ SV139 @ SV32 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1726]) ).

thf(1776,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                | ~ ( ( SV133 != SV84 ) ) ) )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1727]) ).

thf(1777,plain,
    ! [SV106: $i,SV115: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ~ ( ~ ( ( SV133 != SV34 ) )
                | ~ ( ( SV133 != SV84 ) ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1728]) ).

thf(1778,plain,
    ! [SV84: $i,SV34: $i,SV115: $i,SV106: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133 != SV106 ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1728]) ).

thf(1779,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV34 ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV84 ) ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV106 ) ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1729]) ).

thf(1780,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV34 ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV84 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1731]) ).

thf(1781,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV106 )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1732]) ).

thf(1782,plain,
    ! [SV87: $i,SV41: $i,SV118: $i,SV138: $i] :
      ( ( ( ~ ( in @ SV138 @ SV118 )
          | ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) )
        = $true )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1733]) ).

thf(1783,plain,
    ! [SV118: $i,SV87: $i,SV138: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
          | ( in @ SV138 @ SV118 ) )
        = $true )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1734]) ).

thf(1784,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( ~ ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
              | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1735]) ).

thf(1785,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
              | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1735]) ).

thf(1786,plain,
    ! [SV45: $i,SV116: $i] :
      ( ( ( in @ SV116 @ SV45 )
        = $true )
      | ( ( in @ SV45 @ SV116 )
        = $true )
      | ( ( SV45 = SV116 )
        = $true )
      | ( ( ordinal @ SV116 )
        = $false )
      | ( ( ordinal @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1736]) ).

thf(1787,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY245: $i] :
              ~ ! [SY246: $i] :
                  ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                        | ~ ! [SY247: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                        | ( SY247 != SY246 ) )
                                  | ~ ( ordinal @ SY246 ) ) )
                    | ~ ( ~ ~ ! [SY248: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                          | ( SY248 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) )
                        | ( in @ SY246 @ SY245 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1737]) ).

thf(1788,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY245: $i] :
              ~ ! [SY246: $i] :
                  ~ ( ~ ( ~ ( in @ SY246 @ SY245 )
                        | ~ ! [SY247: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                        | ( SY247 != SY246 ) )
                                  | ~ ( ordinal @ SY246 ) ) )
                    | ~ ( ~ ~ ! [SY248: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                          | ( SY248 != SY246 ) )
                                    | ~ ( ordinal @ SY246 ) )
                        | ( in @ SY246 @ SY245 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1738]) ).

thf(1789,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
                  | ~ ! [SY384: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                                  | ( SY384 != SV145 ) )
                            | ~ ( ordinal @ SV145 ) ) )
              | ~ ( ~ ~ ! [SY385: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                                    | ( SY385 != SV145 ) )
                              | ~ ( ordinal @ SV145 ) )
                  | ( in @ SV145 @ ( sK40_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1739]) ).

thf(1790,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
          | ~ ! [SY374: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                          | ( SY374 != SV142 ) )
                    | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1740]) ).

thf(1791,plain,
    ! [SV142: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY375: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                            | ( SY375 != SV142 ) )
                      | ~ ( ordinal @ SV142 ) )
          | ( in @ SV142 @ ( sK37_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1741]) ).

thf(1792,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
                      | ( ( sK43_SY364 @ SV136 @ SV46 )
                       != SV136 ) )
                | ~ ( ordinal @ SV136 ) ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1742]) ).

thf(1793,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV146 @ SV46 )
                      | ( SV146 != SV136 ) )
                | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1743]) ).

thf(1794,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $true )
      | ( ( in @ ( sK28_SY331 @ SV89 @ SV48 @ SV109 ) @ SV109 )
        = $true )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1744]) ).

thf(1795,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1745]) ).

thf(1796,plain,
    ! [SV109: $i,SV48: $i,SV89: $i] :
      ( ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV48 )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $true )
      | ( ( ( sK28_SY331 @ SV89 @ SV48 @ SV109 )
          = SV89 )
        = $false )
      | ( ( SV109
          = ( unordered_pair @ SV48 @ SV89 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1746]) ).

thf(1797,plain,
    ! [SV110: $i,SV51: $i,SV90: $i,SV130: $i] :
      ( ( ( in @ SV130 @ SV90 )
        = $false )
      | ( ( in @ SV130 @ SV51 )
        = $false )
      | ( ( in @ SV130 @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1749]) ).

thf(1798,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
          | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1750]) ).

thf(1799,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
          | ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1751]) ).

thf(1800,plain,
    ! [SV58: $i,SV111: $i,SV97: $i,SV131: $i] :
      ( ( ( in @ SV131 @ SV97 )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $false )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1753]) ).

thf(1801,plain,
    ! [SV111: $i,SV58: $i,SV97: $i,SV131: $i] :
      ( ( ( ~ ( in @ SV131 @ SV97 ) )
        = $false )
      | ( ( in @ SV131 @ SV58 )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1754]) ).

thf(1802,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
          | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1755]) ).

thf(1803,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                    | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
              | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) ) )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1756]) ).

thf(1804,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV112 )
        = $true )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1757]) ).

thf(1805,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1758]) ).

thf(1806,plain,
    ! [SV112: $i,SV59: $i,SV98: $i] :
      ( ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV59 )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $true )
      | ( ( in @ ( sK31_SY337 @ SV98 @ SV59 @ SV112 ) @ SV98 )
        = $false )
      | ( ( SV112
          = ( set_union2 @ SV59 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1759]) ).

thf(1807,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ( in @ SV121 @ SV12 )
          | ~ ( in @ SV124 @ SV12 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1761]) ).

thf(1808,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
          | ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1762]) ).

thf(1809,plain,
    ! [SV12: $i] :
      ( ( ( in @ ( sK18_SY181 @ SV12 ) @ ( sK22_SY350 @ SV12 ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1763]) ).

thf(1810,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY386: $i] :
                ~ ( ~ ( ~ ( in @ SY386 @ ( sK44_SY193 @ SV18 ) )
                      | ~ ! [SY195: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                      | ~ ( in @ SY195 @ SV18 ) )
                                | ( SY386
                                 != ( singleton @ SY195 ) ) ) )
                  | ~ ( ~ ~ ! [SY196: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                        | ~ ( in @ SY196 @ SV18 ) )
                                  | ( SY386
                                   != ( singleton @ SY196 ) ) )
                      | ( in @ SY386 @ ( sK44_SY193 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1764]) ).

thf(1811,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY389: $i] :
                ~ ( ~ ( ~ ( in @ SY389 @ ( sK45_SY193 @ SV18 ) )
                      | ~ ! [SY195: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                      | ~ ( in @ SY195 @ SV18 ) )
                                | ( SY389
                                 != ( singleton @ SY195 ) ) ) )
                  | ~ ( ~ ~ ! [SY196: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                        | ~ ( in @ SY196 @ SV18 ) )
                                  | ( SY389
                                   != ( singleton @ SY196 ) ) )
                      | ( in @ SY389 @ ( sK45_SY193 @ SV18 ) ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1765]) ).

thf(1812,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
              | ~ ! [SY382: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                              | ~ ( in @ SY382 @ SV18 ) )
                        | ( SV143
                         != ( singleton @ SY382 ) ) ) )
          | ~ ( ~ ~ ! [SY383: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                                | ~ ( in @ SY383 @ SV18 ) )
                          | ( SV143
                           != ( singleton @ SY383 ) ) )
              | ( in @ SV143 @ ( sK39_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1766]) ).

thf(1813,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( in @ SV140 @ ( sK35_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY372: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                          | ~ ( in @ SY372 @ SV18 ) )
                    | ( SV140
                     != ( singleton @ SY372 ) ) ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1767]) ).

thf(1814,plain,
    ! [SV140: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY373: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                            | ~ ( in @ SY373 @ SV18 ) )
                      | ( SV140
                       != ( singleton @ SY373 ) ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1768]) ).

thf(1815,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
                    | ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) )
              | ( SV134
               != ( singleton @ ( sK41_SY362 @ SV134 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1769]) ).

thf(1816,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV144 @ SV18 )
                    | ~ ( in @ SV144 @ SV18 ) )
              | ( SV134
               != ( singleton @ SV144 ) ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1770]) ).

thf(1817,plain,
    ! [SV32: $i,SV82: $i,SV126: $i] :
      ( ( ( in @ SV126 @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1771]) ).

thf(1818,plain,
    ! [SV126: $i,SV32: $i,SV82: $i] :
      ( ( ( in @ ( sK38_SY352 @ SV82 @ SV32 @ SV126 ) @ SV32 )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1772]) ).

thf(1819,plain,
    ! [SV82: $i,SV32: $i,SV141: $i,SV126: $i] :
      ( ( ( in @ SV126 @ SV141 )
        = $false )
      | ( ( ~ ( in @ SV141 @ SV32 ) )
        = $true )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1773]) ).

thf(1820,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK42_SY355 @ SV82 @ SV32 ) )
              | ~ ( in @ ( sK42_SY355 @ SV82 @ SV32 ) @ SV32 ) ) )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1774]) ).

thf(1821,plain,
    ! [SV82: $i,SV32: $i,SV139: $i] :
      ( ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY355: $i] :
                      ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                          | ~ ( in @ SY355 @ SV32 ) )
              | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) ) )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1775]) ).

thf(1822,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ~ ( ( SV133 != SV34 ) )
              | ~ ( ( SV133 != SV84 ) ) ) )
        = $false )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1776]) ).

thf(1823,plain,
    ! [SV106: $i,SV115: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ~ ( ( SV133 != SV34 ) )
              | ~ ( ( SV133 != SV84 ) ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1777]) ).

thf(1824,plain,
    ! [SV84: $i,SV34: $i,SV115: $i,SV106: $i,SV133: $i] :
      ( ( ( SV133 != SV106 )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1778]) ).

thf(1825,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV34 ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV84 ) ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV106 ) ) ) )
        = $false )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1779]) ).

thf(1826,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1780]) ).

thf(1827,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1781]) ).

thf(1828,plain,
    ! [SV87: $i,SV41: $i,SV118: $i,SV138: $i] :
      ( ( ( ~ ( in @ SV138 @ SV118 ) )
        = $true )
      | ( ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
        = $true )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1782]) ).

thf(1829,plain,
    ! [SV118: $i,SV87: $i,SV138: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 ) )
        = $true )
      | ( ( in @ SV138 @ SV118 )
        = $true )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1783]) ).

thf(1830,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
              | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) ) )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1784]) ).

thf(1831,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
          | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) )
        = $false )
      | ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1785]) ).

thf(1832,plain,
    ! [SV46: $i] :
      ( ( ( ~ ! [SY392: $i] :
                ~ ( ~ ( ~ ( in @ SY392 @ ( sK46_SY245 @ SV46 ) )
                      | ~ ! [SY247: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                      | ( SY247 != SY392 ) )
                                | ~ ( ordinal @ SY392 ) ) )
                  | ~ ( ~ ~ ! [SY248: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                        | ( SY248 != SY392 ) )
                                  | ~ ( ordinal @ SY392 ) )
                      | ( in @ SY392 @ ( sK46_SY245 @ SV46 ) ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1787]) ).

thf(1833,plain,
    ! [SV46: $i] :
      ( ( ( ~ ! [SY395: $i] :
                ~ ( ~ ( ~ ( in @ SY395 @ ( sK47_SY245 @ SV46 ) )
                      | ~ ! [SY247: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                      | ( SY247 != SY395 ) )
                                | ~ ( ordinal @ SY395 ) ) )
                  | ~ ( ~ ~ ! [SY248: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                        | ( SY248 != SY395 ) )
                                  | ~ ( ordinal @ SY395 ) )
                      | ( in @ SY395 @ ( sK47_SY245 @ SV46 ) ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1788]) ).

thf(1834,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
              | ~ ! [SY384: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                              | ( SY384 != SV145 ) )
                        | ~ ( ordinal @ SV145 ) ) )
          | ~ ( ~ ~ ! [SY385: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                                | ( SY385 != SV145 ) )
                          | ~ ( ordinal @ SV145 ) )
              | ( in @ SV145 @ ( sK40_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1789]) ).

thf(1835,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( in @ SV142 @ ( sK37_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ~ ! [SY374: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                          | ( SY374 != SV142 ) )
                    | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1790]) ).

thf(1836,plain,
    ! [SV142: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY375: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                            | ( SY375 != SV142 ) )
                      | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1791]) ).

thf(1837,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
                    | ( ( sK43_SY364 @ SV136 @ SV46 )
                     != SV136 ) )
              | ~ ( ordinal @ SV136 ) ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1792]) ).

thf(1838,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV146 @ SV46 )
                    | ( SV146 != SV136 ) )
              | ~ ( ordinal @ SV136 ) ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1793]) ).

thf(1839,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1798]) ).

thf(1840,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1798]) ).

thf(1841,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
                | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1799]) ).

thf(1842,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1799]) ).

thf(1843,plain,
    ! [SV111: $i,SV58: $i,SV97: $i,SV131: $i] :
      ( ( ( in @ SV131 @ SV97 )
        = $true )
      | ( ( in @ SV131 @ SV58 )
        = $false )
      | ( ( in @ SV131 @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1801]) ).

thf(1844,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1802]) ).

thf(1845,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1802]) ).

thf(1846,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
          | ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1803]) ).

thf(1847,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( ~ ( in @ SV121 @ SV12 ) )
        = $true )
      | ( ( ~ ( in @ SV124 @ SV12 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1807]) ).

thf(1848,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( in @ ( sK18_SY181 @ SV12 ) @ SV12 ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1808]) ).

thf(1849,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( in @ ( sK22_SY350 @ SV12 ) @ SV12 ) )
        = $false )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1808]) ).

thf(1850,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY386: $i] :
              ~ ( ~ ( ~ ( in @ SY386 @ ( sK44_SY193 @ SV18 ) )
                    | ~ ! [SY195: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                    | ~ ( in @ SY195 @ SV18 ) )
                              | ( SY386
                               != ( singleton @ SY195 ) ) ) )
                | ~ ( ~ ~ ! [SY196: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                      | ~ ( in @ SY196 @ SV18 ) )
                                | ( SY386
                                 != ( singleton @ SY196 ) ) )
                    | ( in @ SY386 @ ( sK44_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1810]) ).

thf(1851,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY389: $i] :
              ~ ( ~ ( ~ ( in @ SY389 @ ( sK45_SY193 @ SV18 ) )
                    | ~ ! [SY195: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY195 @ SV18 )
                                    | ~ ( in @ SY195 @ SV18 ) )
                              | ( SY389
                               != ( singleton @ SY195 ) ) ) )
                | ~ ( ~ ~ ! [SY196: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY196 @ SV18 )
                                      | ~ ( in @ SY196 @ SV18 ) )
                                | ( SY389
                                 != ( singleton @ SY196 ) ) )
                    | ( in @ SY389 @ ( sK45_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1811]) ).

thf(1852,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
              | ~ ! [SY382: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                              | ~ ( in @ SY382 @ SV18 ) )
                        | ( SV143
                         != ( singleton @ SY382 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1812]) ).

thf(1853,plain,
    ! [SV143: $i,SV18: $i] :
      ( ( ( ~ ( ~ ~ ! [SY383: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                                | ~ ( in @ SY383 @ SV18 ) )
                          | ( SV143
                           != ( singleton @ SY383 ) ) )
              | ( in @ SV143 @ ( sK39_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1812]) ).

thf(1854,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY372: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                          | ~ ( in @ SY372 @ SV18 ) )
                    | ( SV140
                     != ( singleton @ SY372 ) ) ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1813]) ).

thf(1855,plain,
    ! [SV140: $i,SV18: $i] :
      ( ( ( ~ ! [SY373: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                          | ~ ( in @ SY373 @ SV18 ) )
                    | ( SV140
                     != ( singleton @ SY373 ) ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1814]) ).

thf(1856,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) )
          | ( SV134
           != ( singleton @ ( sK41_SY362 @ SV134 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1815]) ).

thf(1857,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV144 @ SV18 )
                | ~ ( in @ SV144 @ SV18 ) )
          | ( SV134
           != ( singleton @ SV144 ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1816]) ).

thf(1858,plain,
    ! [SV82: $i,SV126: $i,SV32: $i,SV141: $i] :
      ( ( ( in @ SV141 @ SV32 )
        = $false )
      | ( ( in @ SV126 @ SV141 )
        = $false )
      | ( ( in @ SV126 @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1819]) ).

thf(1859,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK42_SY355 @ SV82 @ SV32 ) )
          | ~ ( in @ ( sK42_SY355 @ SV82 @ SV32 ) @ SV32 ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1820]) ).

thf(1860,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ! [SY355: $i] :
                  ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                      | ~ ( in @ SY355 @ SV32 ) )
          | ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1821]) ).

thf(1861,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133 != SV34 ) )
          | ~ ( ( SV133 != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1822]) ).

thf(1862,plain,
    ! [SV106: $i,SV115: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133 != SV34 ) )
          | ~ ( ( SV133 != SV84 ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1823]) ).

thf(1863,plain,
    ! [SV84: $i,SV34: $i,SV115: $i,SV106: $i,SV133: $i] :
      ( ( ( SV133 = SV106 )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1824]) ).

thf(1864,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1825]) ).

thf(1865,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1826]) ).

thf(1866,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1826]) ).

thf(1867,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) )
          | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1827]) ).

thf(1868,plain,
    ! [SV87: $i,SV41: $i,SV118: $i,SV138: $i] :
      ( ( ( in @ SV138 @ SV118 )
        = $false )
      | ( ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
        = $true )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1828]) ).

thf(1869,plain,
    ! [SV118: $i,SV87: $i,SV138: $i,SV41: $i] :
      ( ( ( in @ ( subset_complement @ SV41 @ SV138 ) @ SV87 )
        = $false )
      | ( ( in @ SV138 @ SV118 )
        = $true )
      | ( ( element @ SV138 @ ( powerset @ SV41 ) )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $false )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1829]) ).

thf(1870,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
          | ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 ) )
        = $false )
      | ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1830]) ).

thf(1871,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) )
        = $false )
      | ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1831]) ).

thf(1872,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $false )
      | ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1831]) ).

thf(1873,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY392: $i] :
              ~ ( ~ ( ~ ( in @ SY392 @ ( sK46_SY245 @ SV46 ) )
                    | ~ ! [SY247: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                    | ( SY247 != SY392 ) )
                              | ~ ( ordinal @ SY392 ) ) )
                | ~ ( ~ ~ ! [SY248: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                      | ( SY248 != SY392 ) )
                                | ~ ( ordinal @ SY392 ) )
                    | ( in @ SY392 @ ( sK46_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1832]) ).

thf(1874,plain,
    ! [SV46: $i] :
      ( ( ( ! [SY395: $i] :
              ~ ( ~ ( ~ ( in @ SY395 @ ( sK47_SY245 @ SV46 ) )
                    | ~ ! [SY247: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY247 @ SV46 )
                                    | ( SY247 != SY395 ) )
                              | ~ ( ordinal @ SY395 ) ) )
                | ~ ( ~ ~ ! [SY248: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY248 @ SV46 )
                                      | ( SY248 != SY395 ) )
                                | ~ ( ordinal @ SY395 ) )
                    | ( in @ SY395 @ ( sK47_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1833]) ).

thf(1875,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
              | ~ ! [SY384: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                              | ( SY384 != SV145 ) )
                        | ~ ( ordinal @ SV145 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1834]) ).

thf(1876,plain,
    ! [SV145: $i,SV46: $i] :
      ( ( ( ~ ( ~ ~ ! [SY385: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                                | ( SY385 != SV145 ) )
                          | ~ ( ordinal @ SV145 ) )
              | ( in @ SV145 @ ( sK40_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1834]) ).

thf(1877,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY374: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                          | ( SY374 != SV142 ) )
                    | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1835]) ).

thf(1878,plain,
    ! [SV142: $i,SV46: $i] :
      ( ( ( ~ ! [SY375: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                          | ( SY375 != SV142 ) )
                    | ~ ( ordinal @ SV142 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1836]) ).

thf(1879,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
                | ( ( sK43_SY364 @ SV136 @ SV46 )
                 != SV136 ) )
          | ~ ( ordinal @ SV136 ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1837]) ).

thf(1880,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV146 @ SV46 )
                | ( SV146 != SV136 ) )
          | ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1838]) ).

thf(1881,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $true )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1839]) ).

thf(1882,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $true )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV110 )
        = $true )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1840]) ).

thf(1883,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
              | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) ) )
        = $true )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1841]) ).

thf(1884,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1844]) ).

thf(1885,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1845]) ).

thf(1886,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
                | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1846]) ).

thf(1887,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1846]) ).

thf(1888,plain,
    ! [SV124: $i,SV12: $i,SV121: $i] :
      ( ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( ~ ( in @ SV124 @ SV12 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1847]) ).

thf(1889,plain,
    ! [SV12: $i] :
      ( ( ( in @ ( sK18_SY181 @ SV12 ) @ SV12 )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1848]) ).

thf(1890,plain,
    ! [SV12: $i] :
      ( ( ( in @ ( sK22_SY350 @ SV12 ) @ SV12 )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1849]) ).

thf(1891,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
                  | ~ ! [SY398: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                                  | ~ ( in @ SY398 @ SV18 ) )
                            | ( SV147
                             != ( singleton @ SY398 ) ) ) )
              | ~ ( ~ ~ ! [SY399: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                                    | ~ ( in @ SY399 @ SV18 ) )
                              | ( SV147
                               != ( singleton @ SY399 ) ) )
                  | ( in @ SV147 @ ( sK44_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1850]) ).

thf(1892,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
                  | ~ ! [SY400: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                                  | ~ ( in @ SY400 @ SV18 ) )
                            | ( SV148
                             != ( singleton @ SY400 ) ) ) )
              | ~ ( ~ ~ ! [SY401: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                                    | ~ ( in @ SY401 @ SV18 ) )
                              | ( SV148
                               != ( singleton @ SY401 ) ) )
                  | ( in @ SV148 @ ( sK45_SY193 @ SV18 ) ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1851]) ).

thf(1893,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
          | ~ ! [SY382: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                          | ~ ( in @ SY382 @ SV18 ) )
                    | ( SV143
                     != ( singleton @ SY382 ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1852]) ).

thf(1894,plain,
    ! [SV143: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY383: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                            | ~ ( in @ SY383 @ SV18 ) )
                      | ( SV143
                       != ( singleton @ SY383 ) ) )
          | ( in @ SV143 @ ( sK39_SY193 @ SV18 ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1853]) ).

thf(1895,plain,
    ! [SV140: $i,SV18: $i] :
      ( ( ( ! [SY372: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY372 @ SV18 )
                        | ~ ( in @ SY372 @ SV18 ) )
                  | ( SV140
                   != ( singleton @ SY372 ) ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1854]) ).

thf(1896,plain,
    ! [SV140: $i,SV18: $i] :
      ( ( ( ! [SY373: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY373 @ SV18 )
                        | ~ ( in @ SY373 @ SV18 ) )
                  | ( SV140
                   != ( singleton @ SY373 ) ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1855]) ).

thf(1897,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1856]) ).

thf(1898,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( SV134
         != ( singleton @ ( sK41_SY362 @ SV134 @ SV18 ) ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1856]) ).

thf(1899,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV144 @ SV18 )
                | ~ ( in @ SV144 @ SV18 ) ) )
        = $true )
      | ( ( SV134
         != ( singleton @ SV144 ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1857]) ).

thf(1900,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK42_SY355 @ SV82 @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1859]) ).

thf(1901,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( ~ ( in @ ( sK42_SY355 @ SV82 @ SV32 ) @ SV32 ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1859]) ).

thf(1902,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ! [SY355: $i] :
                  ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                      | ~ ( in @ SY355 @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1860]) ).

thf(1903,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1860]) ).

thf(1904,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133 != SV34 ) ) )
        = $true )
      | ( ( ~ ( ( SV133 != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1861]) ).

thf(1905,plain,
    ! [SV106: $i,SV84: $i,SV115: $i,SV34: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133 != SV34 ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1862]) ).

thf(1906,plain,
    ! [SV106: $i,SV34: $i,SV115: $i,SV84: $i,SV133: $i] :
      ( ( ( ~ ( ( SV133 != SV84 ) ) )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1862]) ).

thf(1907,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1864]) ).

thf(1908,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV34 )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1865]) ).

thf(1909,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV84 )
        = $true )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1866]) ).

thf(1910,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1867]) ).

thf(1911,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1867]) ).

thf(1912,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 ) )
        = $false )
      | ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1870]) ).

thf(1913,plain,
    ! [SV41: $i,SV118: $i,SV87: $i] :
      ( ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $false )
      | ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1870]) ).

thf(1914,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $true )
      | ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $false )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1871]) ).

thf(1915,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
                  | ~ ! [SY402: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                                  | ( SY402 != SV149 ) )
                            | ~ ( ordinal @ SV149 ) ) )
              | ~ ( ~ ~ ! [SY403: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                                    | ( SY403 != SV149 ) )
                              | ~ ( ordinal @ SV149 ) )
                  | ( in @ SV149 @ ( sK46_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1873]) ).

thf(1916,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
                  | ~ ! [SY404: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                                  | ( SY404 != SV150 ) )
                            | ~ ( ordinal @ SV150 ) ) )
              | ~ ( ~ ~ ! [SY405: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                                    | ( SY405 != SV150 ) )
                              | ~ ( ordinal @ SV150 ) )
                  | ( in @ SV150 @ ( sK47_SY245 @ SV46 ) ) ) ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1874]) ).

thf(1917,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
          | ~ ! [SY384: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                          | ( SY384 != SV145 ) )
                    | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1875]) ).

thf(1918,plain,
    ! [SV145: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY385: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                            | ( SY385 != SV145 ) )
                      | ~ ( ordinal @ SV145 ) )
          | ( in @ SV145 @ ( sK40_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1876]) ).

thf(1919,plain,
    ! [SV142: $i,SV46: $i] :
      ( ( ( ! [SY374: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY374 @ SV46 )
                        | ( SY374 != SV142 ) )
                  | ~ ( ordinal @ SV142 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1877]) ).

thf(1920,plain,
    ! [SV142: $i,SV46: $i] :
      ( ( ( ! [SY375: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY375 @ SV46 )
                        | ( SY375 != SV142 ) )
                  | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1878]) ).

thf(1921,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
                | ( ( sK43_SY364 @ SV136 @ SV46 )
                 != SV136 ) ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1879]) ).

thf(1922,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( ordinal @ SV136 ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1879]) ).

thf(1923,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV146 @ SV46 )
                | ( SV146 != SV136 ) ) )
        = $true )
      | ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1880]) ).

thf(1924,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
          | ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1883]) ).

thf(1925,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV111 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1885]) ).

thf(1926,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
              | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) ) )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1886]) ).

thf(1927,plain,
    ! [SV121: $i,SV12: $i,SV124: $i] :
      ( ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( ~ ~ ( in @ SV121 @ SV124 ) )
        = $true )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1888]) ).

thf(1928,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ~ ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
              | ~ ! [SY398: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                              | ~ ( in @ SY398 @ SV18 ) )
                        | ( SV147
                         != ( singleton @ SY398 ) ) ) )
          | ~ ( ~ ~ ! [SY399: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                                | ~ ( in @ SY399 @ SV18 ) )
                          | ( SV147
                           != ( singleton @ SY399 ) ) )
              | ( in @ SV147 @ ( sK44_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1891]) ).

thf(1929,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
              | ~ ! [SY400: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                              | ~ ( in @ SY400 @ SV18 ) )
                        | ( SV148
                         != ( singleton @ SY400 ) ) ) )
          | ~ ( ~ ~ ! [SY401: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                                | ~ ( in @ SY401 @ SV18 ) )
                          | ( SV148
                           != ( singleton @ SY401 ) ) )
              | ( in @ SV148 @ ( sK45_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1892]) ).

thf(1930,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ ( sK39_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY382: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                          | ~ ( in @ SY382 @ SV18 ) )
                    | ( SV143
                     != ( singleton @ SY382 ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1893]) ).

thf(1931,plain,
    ! [SV143: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY383: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                            | ~ ( in @ SY383 @ SV18 ) )
                      | ( SV143
                       != ( singleton @ SY383 ) ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1894]) ).

thf(1932,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
                      | ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) )
                | ( SV140
                 != ( singleton @ ( sK48_SY372 @ SV140 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1895]) ).

thf(1933,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV151 @ SV18 )
                      | ~ ( in @ SV151 @ SV18 ) )
                | ( SV140
                 != ( singleton @ SV151 ) ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1896]) ).

thf(1934,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
              | ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1897]) ).

thf(1935,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( SV134
          = ( singleton @ ( sK41_SY362 @ SV134 @ SV18 ) ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1898]) ).

thf(1936,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ( ~ ( in @ SV144 @ SV18 )
              | ~ ( in @ SV144 @ SV18 ) ) )
        = $false )
      | ( ( SV134
         != ( singleton @ SV144 ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1899]) ).

thf(1937,plain,
    ! [SV82: $i,SV32: $i] :
      ( ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK42_SY355 @ SV82 @ SV32 ) )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1900]) ).

thf(1938,plain,
    ! [SV32: $i,SV82: $i] :
      ( ( ( in @ ( sK42_SY355 @ SV82 @ SV32 ) @ SV32 )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV82 )
        = $true )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1901]) ).

thf(1939,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ! [SY355: $i] :
                ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                    | ~ ( in @ SY355 @ SV32 ) ) )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1902]) ).

thf(1940,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( SV133 != SV34 )
        = $false )
      | ( ( ~ ( ( SV133 != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1904]) ).

thf(1941,plain,
    ! [SV106: $i,SV84: $i,SV115: $i,SV34: $i,SV133: $i] :
      ( ( ( SV133 != SV34 )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1905]) ).

thf(1942,plain,
    ! [SV106: $i,SV34: $i,SV115: $i,SV84: $i,SV133: $i] :
      ( ( ( SV133 != SV84 )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1906]) ).

thf(1943,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV34 ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV84 ) ) ) )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1907]) ).

thf(1944,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1908]) ).

thf(1945,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( ~ ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV34 ) )
                            | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                                 != SV84 ) ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV106 ) ) )
              | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) ) )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1909]) ).

thf(1946,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV34 ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV84 ) ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV106 ) ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1910]) ).

thf(1947,plain,
    ! [SV118: $i,SV87: $i,SV41: $i] :
      ( ( ( in @ ( subset_complement @ SV41 @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) ) @ SV87 )
        = $true )
      | ( ( in @ ( sK36_SY347 @ SV87 @ SV118 @ SV41 ) @ SV118 )
        = $true )
      | ( ( SV118
          = ( complements_of_subsets @ SV41 @ SV87 ) )
        = $true )
      | ( ( element @ SV118 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false )
      | ( ( element @ SV87 @ ( powerset @ ( powerset @ SV41 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1912]) ).

thf(1948,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
              | ~ ! [SY402: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                              | ( SY402 != SV149 ) )
                        | ~ ( ordinal @ SV149 ) ) )
          | ~ ( ~ ~ ! [SY403: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                                | ( SY403 != SV149 ) )
                          | ~ ( ordinal @ SV149 ) )
              | ( in @ SV149 @ ( sK46_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1915]) ).

thf(1949,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
              | ~ ! [SY404: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                              | ( SY404 != SV150 ) )
                        | ~ ( ordinal @ SV150 ) ) )
          | ~ ( ~ ~ ! [SY405: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                                | ( SY405 != SV150 ) )
                          | ~ ( ordinal @ SV150 ) )
              | ( in @ SV150 @ ( sK47_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1916]) ).

thf(1950,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( in @ SV145 @ ( sK40_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ~ ! [SY384: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                          | ( SY384 != SV145 ) )
                    | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1917]) ).

thf(1951,plain,
    ! [SV145: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY385: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                            | ( SY385 != SV145 ) )
                      | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1918]) ).

thf(1952,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
                      | ( ( sK49_SY374 @ SV142 @ SV46 )
                       != SV142 ) )
                | ~ ( ordinal @ SV142 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1919]) ).

thf(1953,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV152 @ SV46 )
                      | ( SV152 != SV142 ) )
                | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1920]) ).

thf(1954,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
              | ( ( sK43_SY364 @ SV136 @ SV46 )
               != SV136 ) ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1921]) ).

thf(1955,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ordinal @ SV136 )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1922]) ).

thf(1956,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ( ~ ( in @ SV146 @ SV46 )
              | ( SV146 != SV136 ) ) )
        = $false )
      | ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1923]) ).

thf(1957,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1924]) ).

thf(1958,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( ~ ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 ) )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1924]) ).

thf(1959,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
          | ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1926]) ).

thf(1960,plain,
    ! [SV12: $i,SV124: $i,SV121: $i] :
      ( ( ( ~ ( in @ SV121 @ SV124 ) )
        = $false )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1927]) ).

thf(1961,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ~ ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
              | ~ ! [SY398: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                              | ~ ( in @ SY398 @ SV18 ) )
                        | ( SV147
                         != ( singleton @ SY398 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1928]) ).

thf(1962,plain,
    ! [SV147: $i,SV18: $i] :
      ( ( ( ~ ( ~ ~ ! [SY399: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                                | ~ ( in @ SY399 @ SV18 ) )
                          | ( SV147
                           != ( singleton @ SY399 ) ) )
              | ( in @ SV147 @ ( sK44_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1928]) ).

thf(1963,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
              | ~ ! [SY400: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                              | ~ ( in @ SY400 @ SV18 ) )
                        | ( SV148
                         != ( singleton @ SY400 ) ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1929]) ).

thf(1964,plain,
    ! [SV148: $i,SV18: $i] :
      ( ( ( ~ ( ~ ~ ! [SY401: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                                | ~ ( in @ SY401 @ SV18 ) )
                          | ( SV148
                           != ( singleton @ SY401 ) ) )
              | ( in @ SV148 @ ( sK45_SY193 @ SV18 ) ) ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1929]) ).

thf(1965,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY382: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                          | ~ ( in @ SY382 @ SV18 ) )
                    | ( SV143
                     != ( singleton @ SY382 ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1930]) ).

thf(1966,plain,
    ! [SV143: $i,SV18: $i] :
      ( ( ( ~ ! [SY383: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                          | ~ ( in @ SY383 @ SV18 ) )
                    | ( SV143
                     != ( singleton @ SY383 ) ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1931]) ).

thf(1967,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
                    | ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) )
              | ( SV140
               != ( singleton @ ( sK48_SY372 @ SV140 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1932]) ).

thf(1968,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV151 @ SV18 )
                    | ~ ( in @ SV151 @ SV18 ) )
              | ( SV140
               != ( singleton @ SV151 ) ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1933]) ).

thf(1969,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
          | ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1934]) ).

thf(1970,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ( in @ SV144 @ SV18 )
          | ~ ( in @ SV144 @ SV18 ) )
        = $true )
      | ( ( SV134
         != ( singleton @ SV144 ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1936]) ).

thf(1971,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ! [SY355: $i] :
              ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SY355 )
                  | ~ ( in @ SY355 @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1939]) ).

thf(1972,plain,
    ! [SV115: $i,SV106: $i,SV84: $i,SV34: $i,SV133: $i] :
      ( ( ( SV133 = SV34 )
        = $true )
      | ( ( ~ ( ( SV133 != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1940]) ).

thf(1973,plain,
    ! [SV106: $i,SV84: $i,SV115: $i,SV34: $i,SV133: $i] :
      ( ( ( SV133 = SV34 )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1941]) ).

thf(1974,plain,
    ! [SV106: $i,SV34: $i,SV115: $i,SV84: $i,SV133: $i] :
      ( ( ( SV133 = SV84 )
        = $false )
      | ( ( in @ SV133 @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1942]) ).

thf(1975,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1943]) ).

thf(1976,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) )
          | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1944]) ).

thf(1977,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) )
          | ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1945]) ).

thf(1978,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV34 ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV84 ) ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV106 ) ) ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1946]) ).

thf(1979,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
              | ~ ! [SY402: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                              | ( SY402 != SV149 ) )
                        | ~ ( ordinal @ SV149 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1948]) ).

thf(1980,plain,
    ! [SV149: $i,SV46: $i] :
      ( ( ( ~ ( ~ ~ ! [SY403: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                                | ( SY403 != SV149 ) )
                          | ~ ( ordinal @ SV149 ) )
              | ( in @ SV149 @ ( sK46_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1948]) ).

thf(1981,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
              | ~ ! [SY404: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                              | ( SY404 != SV150 ) )
                        | ~ ( ordinal @ SV150 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1949]) ).

thf(1982,plain,
    ! [SV150: $i,SV46: $i] :
      ( ( ( ~ ( ~ ~ ! [SY405: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                                | ( SY405 != SV150 ) )
                          | ~ ( ordinal @ SV150 ) )
              | ( in @ SV150 @ ( sK47_SY245 @ SV46 ) ) ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1949]) ).

thf(1983,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY384: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                          | ( SY384 != SV145 ) )
                    | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1950]) ).

thf(1984,plain,
    ! [SV145: $i,SV46: $i] :
      ( ( ( ~ ! [SY385: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                          | ( SY385 != SV145 ) )
                    | ~ ( ordinal @ SV145 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1951]) ).

thf(1985,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
                    | ( ( sK49_SY374 @ SV142 @ SV46 )
                     != SV142 ) )
              | ~ ( ordinal @ SV142 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1952]) ).

thf(1986,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV152 @ SV46 )
                    | ( SV152 != SV142 ) )
              | ~ ( ordinal @ SV142 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1953]) ).

thf(1987,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
          | ( ( sK43_SY364 @ SV136 @ SV46 )
           != SV136 ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1954]) ).

thf(1988,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ( in @ SV146 @ SV46 )
          | ( SV146 != SV136 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1956]) ).

thf(1989,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $true )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1957]) ).

thf(1990,plain,
    ! [SV110: $i,SV51: $i,SV90: $i] :
      ( ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $true )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV51 )
        = $false )
      | ( ( in @ ( sK29_SY333 @ SV90 @ SV51 @ SV110 ) @ SV90 )
        = $false )
      | ( ( SV110
          = ( set_intersection2 @ SV51 @ SV90 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1958]) ).

thf(1991,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1959]) ).

thf(1992,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1959]) ).

thf(1993,plain,
    ! [SV12: $i,SV124: $i,SV121: $i] :
      ( ( ( in @ SV121 @ SV124 )
        = $true )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( ~ ( ( SV121 != SV124 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1960]) ).

thf(1994,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
          | ~ ! [SY398: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                          | ~ ( in @ SY398 @ SV18 ) )
                    | ( SV147
                     != ( singleton @ SY398 ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1961]) ).

thf(1995,plain,
    ! [SV147: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY399: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                            | ~ ( in @ SY399 @ SV18 ) )
                      | ( SV147
                       != ( singleton @ SY399 ) ) )
          | ( in @ SV147 @ ( sK44_SY193 @ SV18 ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1962]) ).

thf(1996,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
          | ~ ! [SY400: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                          | ~ ( in @ SY400 @ SV18 ) )
                    | ( SV148
                     != ( singleton @ SY400 ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1963]) ).

thf(1997,plain,
    ! [SV148: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY401: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                            | ~ ( in @ SY401 @ SV18 ) )
                      | ( SV148
                       != ( singleton @ SY401 ) ) )
          | ( in @ SV148 @ ( sK45_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1964]) ).

thf(1998,plain,
    ! [SV143: $i,SV18: $i] :
      ( ( ( ! [SY382: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY382 @ SV18 )
                        | ~ ( in @ SY382 @ SV18 ) )
                  | ( SV143
                   != ( singleton @ SY382 ) ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1965]) ).

thf(1999,plain,
    ! [SV143: $i,SV18: $i] :
      ( ( ( ! [SY383: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY383 @ SV18 )
                        | ~ ( in @ SY383 @ SV18 ) )
                  | ( SV143
                   != ( singleton @ SY383 ) ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1966]) ).

thf(2000,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) )
          | ( SV140
           != ( singleton @ ( sK48_SY372 @ SV140 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1967]) ).

thf(2001,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV151 @ SV18 )
                | ~ ( in @ SV151 @ SV18 ) )
          | ( SV140
           != ( singleton @ SV151 ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1968]) ).

thf(2002,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1969]) ).

thf(2003,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( ~ ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1969]) ).

thf(2004,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( ~ ( in @ SV144 @ SV18 ) )
        = $true )
      | ( ( ~ ( in @ SV144 @ SV18 ) )
        = $true )
      | ( ( SV134
         != ( singleton @ SV144 ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1970]) ).

thf(2005,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) )
                | ~ ( in @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1971]) ).

thf(2006,plain,
    ! [SV115: $i,SV106: $i,SV34: $i,SV84: $i,SV133: $i] :
      ( ( ( SV133 != SV84 )
        = $false )
      | ( ( SV133 = SV34 )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1972]) ).

thf(2007,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1975]) ).

thf(2008,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1976]) ).

thf(2009,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1976]) ).

thf(2010,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV34 ) )
                        | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                             != SV84 ) ) )
                  | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                       != SV106 ) ) ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1977]) ).

thf(2011,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1977]) ).

thf(2012,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1978]) ).

thf(2013,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
          | ~ ! [SY402: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                          | ( SY402 != SV149 ) )
                    | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1979]) ).

thf(2014,plain,
    ! [SV149: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY403: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                            | ( SY403 != SV149 ) )
                      | ~ ( ordinal @ SV149 ) )
          | ( in @ SV149 @ ( sK46_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1980]) ).

thf(2015,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
          | ~ ! [SY404: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                          | ( SY404 != SV150 ) )
                    | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1981]) ).

thf(2016,plain,
    ! [SV150: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY405: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                            | ( SY405 != SV150 ) )
                      | ~ ( ordinal @ SV150 ) )
          | ( in @ SV150 @ ( sK47_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1982]) ).

thf(2017,plain,
    ! [SV145: $i,SV46: $i] :
      ( ( ( ! [SY384: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY384 @ SV46 )
                        | ( SY384 != SV145 ) )
                  | ~ ( ordinal @ SV145 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1983]) ).

thf(2018,plain,
    ! [SV145: $i,SV46: $i] :
      ( ( ( ! [SY385: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY385 @ SV46 )
                        | ( SY385 != SV145 ) )
                  | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1984]) ).

thf(2019,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
                | ( ( sK49_SY374 @ SV142 @ SV46 )
                 != SV142 ) )
          | ~ ( ordinal @ SV142 ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1985]) ).

thf(2020,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV152 @ SV46 )
                | ( SV152 != SV142 ) )
          | ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1986]) ).

thf(2021,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ~ ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 ) )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1987]) ).

thf(2022,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ( sK43_SY364 @ SV136 @ SV46 )
         != SV136 )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1987]) ).

thf(2023,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( ~ ( in @ SV146 @ SV46 ) )
        = $true )
      | ( ( SV146 != SV136 )
        = $true )
      | ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1988]) ).

thf(2024,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1991]) ).

thf(2025,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( ~ ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 ) )
        = $true )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1992]) ).

thf(2026,plain,
    ! [SV12: $i,SV124: $i,SV121: $i] :
      ( ( ( SV121 != SV124 )
        = $false )
      | ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( in @ SV121 @ SV124 )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1993]) ).

thf(2027,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( in @ SV147 @ ( sK44_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY398: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                          | ~ ( in @ SY398 @ SV18 ) )
                    | ( SV147
                     != ( singleton @ SY398 ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1994]) ).

thf(2028,plain,
    ! [SV147: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY399: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                            | ~ ( in @ SY399 @ SV18 ) )
                      | ( SV147
                       != ( singleton @ SY399 ) ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1995]) ).

thf(2029,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( in @ SV148 @ ( sK45_SY193 @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY400: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                          | ~ ( in @ SY400 @ SV18 ) )
                    | ( SV148
                     != ( singleton @ SY400 ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1996]) ).

thf(2030,plain,
    ! [SV148: $i,SV18: $i] :
      ( ( ( ~ ~ ! [SY401: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                            | ~ ( in @ SY401 @ SV18 ) )
                      | ( SV148
                       != ( singleton @ SY401 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1997]) ).

thf(2031,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
                      | ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) )
                | ( SV143
                 != ( singleton @ ( sK51_SY382 @ SV143 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1998]) ).

thf(2032,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV153 @ SV18 )
                      | ~ ( in @ SV153 @ SV18 ) )
                | ( SV143
                 != ( singleton @ SV153 ) ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1999]) ).

thf(2033,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2000]) ).

thf(2034,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( SV140
         != ( singleton @ ( sK48_SY372 @ SV140 @ SV18 ) ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2000]) ).

thf(2035,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV151 @ SV18 )
                | ~ ( in @ SV151 @ SV18 ) ) )
        = $true )
      | ( ( SV140
         != ( singleton @ SV151 ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2001]) ).

thf(2036,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2002]) ).

thf(2037,plain,
    ! [SV18: $i,SV134: $i] :
      ( ( ( in @ ( sK41_SY362 @ SV134 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2003]) ).

thf(2038,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( in @ SV144 @ SV18 )
        = $false )
      | ( ( ~ ( in @ SV144 @ SV18 ) )
        = $true )
      | ( ( SV134
         != ( singleton @ SV144 ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2004]) ).

thf(2039,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) )
              | ~ ( in @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) @ SV32 ) ) )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2005]) ).

thf(2040,plain,
    ! [SV115: $i,SV106: $i,SV34: $i,SV84: $i,SV133: $i] :
      ( ( ( SV133 = SV84 )
        = $true )
      | ( ( SV133 = SV34 )
        = $true )
      | ( ( ~ ( ( SV133 != SV106 ) ) )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2006]) ).

thf(2041,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV34 )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2007]) ).

thf(2042,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV34 ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV84 ) ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV106 ) ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2008]) ).

thf(2043,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV34 ) )
                      | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                           != SV84 ) ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV106 ) ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2010]) ).

thf(2044,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2012]) ).

thf(2045,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( in @ SV149 @ ( sK46_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ~ ! [SY402: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                          | ( SY402 != SV149 ) )
                    | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2013]) ).

thf(2046,plain,
    ! [SV149: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY403: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                            | ( SY403 != SV149 ) )
                      | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2014]) ).

thf(2047,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( in @ SV150 @ ( sK47_SY245 @ SV46 ) ) )
        = $true )
      | ( ( ~ ! [SY404: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                          | ( SY404 != SV150 ) )
                    | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2015]) ).

thf(2048,plain,
    ! [SV150: $i,SV46: $i] :
      ( ( ( ~ ~ ! [SY405: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                            | ( SY405 != SV150 ) )
                      | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2016]) ).

thf(2049,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
                      | ( ( sK52_SY384 @ SV145 @ SV46 )
                       != SV145 ) )
                | ~ ( ordinal @ SV145 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2017]) ).

thf(2050,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV154 @ SV46 )
                      | ( SV154 != SV145 ) )
                | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2018]) ).

thf(2051,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
                | ( ( sK49_SY374 @ SV142 @ SV46 )
                 != SV142 ) ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2019]) ).

thf(2052,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( ordinal @ SV142 ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2019]) ).

thf(2053,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV152 @ SV46 )
                | ( SV152 != SV142 ) ) )
        = $true )
      | ( ( ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2020]) ).

thf(2054,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( in @ ( sK43_SY364 @ SV136 @ SV46 ) @ SV46 )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2021]) ).

thf(2055,plain,
    ! [SV46: $i,SV136: $i] :
      ( ( ( ( sK43_SY364 @ SV136 @ SV46 )
          = SV136 )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2022]) ).

thf(2056,plain,
    ! [SV136: $i,SV46: $i,SV146: $i] :
      ( ( ( in @ SV146 @ SV46 )
        = $false )
      | ( ( SV146 != SV136 )
        = $true )
      | ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2023]) ).

thf(2057,plain,
    ! [SV111: $i,SV58: $i,SV97: $i] :
      ( ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV58 )
        = $false )
      | ( ( in @ ( sK30_SY335 @ SV97 @ SV58 @ SV111 ) @ SV97 )
        = $true )
      | ( ( SV111
          = ( set_difference @ SV58 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2025]) ).

thf(2058,plain,
    ! [SV12: $i,SV124: $i,SV121: $i] :
      ( ( ( SV121 = SV124 )
        = $true )
      | ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( in @ SV121 @ SV124 )
        = $true )
      | ( ( ~ ~ ( in @ SV124 @ SV121 ) )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2026]) ).

thf(2059,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY398: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                          | ~ ( in @ SY398 @ SV18 ) )
                    | ( SV147
                     != ( singleton @ SY398 ) ) ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2027]) ).

thf(2060,plain,
    ! [SV147: $i,SV18: $i] :
      ( ( ( ~ ! [SY399: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                          | ~ ( in @ SY399 @ SV18 ) )
                    | ( SV147
                     != ( singleton @ SY399 ) ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2028]) ).

thf(2061,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ~ ! [SY400: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                          | ~ ( in @ SY400 @ SV18 ) )
                    | ( SV148
                     != ( singleton @ SY400 ) ) ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2029]) ).

thf(2062,plain,
    ! [SV148: $i,SV18: $i] :
      ( ( ( ~ ! [SY401: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                          | ~ ( in @ SY401 @ SV18 ) )
                    | ( SV148
                     != ( singleton @ SY401 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2030]) ).

thf(2063,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
                    | ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) )
              | ( SV143
               != ( singleton @ ( sK51_SY382 @ SV143 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2031]) ).

thf(2064,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV153 @ SV18 )
                    | ~ ( in @ SV153 @ SV18 ) )
              | ( SV143
               != ( singleton @ SV153 ) ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2032]) ).

thf(2065,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
              | ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2033]) ).

thf(2066,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( SV140
          = ( singleton @ ( sK48_SY372 @ SV140 @ SV18 ) ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2034]) ).

thf(2067,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ( ~ ( in @ SV151 @ SV18 )
              | ~ ( in @ SV151 @ SV18 ) ) )
        = $false )
      | ( ( SV140
         != ( singleton @ SV151 ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2035]) ).

thf(2068,plain,
    ! [SV134: $i,SV18: $i,SV144: $i] :
      ( ( ( in @ SV144 @ SV18 )
        = $false )
      | ( ( in @ SV144 @ SV18 )
        = $false )
      | ( ( SV134
         != ( singleton @ SV144 ) )
        = $true )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2038]) ).

thf(2069,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) )
          | ~ ( in @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) @ SV32 ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2039]) ).

thf(2070,plain,
    ! [SV115: $i,SV84: $i,SV34: $i,SV106: $i,SV133: $i] :
      ( ( ( SV133 != SV106 )
        = $false )
      | ( ( SV133 = SV34 )
        = $true )
      | ( ( SV133 = SV84 )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2040]) ).

thf(2071,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2041]) ).

thf(2072,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV34 ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV84 ) ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV106 ) ) ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2042]) ).

thf(2073,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV34 ) )
                    | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                         != SV84 ) ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV106 ) ) ) )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2043]) ).

thf(2074,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV34 ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV84 ) ) ) )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2044]) ).

thf(2075,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY402: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                          | ( SY402 != SV149 ) )
                    | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2045]) ).

thf(2076,plain,
    ! [SV149: $i,SV46: $i] :
      ( ( ( ~ ! [SY403: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                          | ( SY403 != SV149 ) )
                    | ~ ( ordinal @ SV149 ) ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2046]) ).

thf(2077,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ~ ! [SY404: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                          | ( SY404 != SV150 ) )
                    | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2047]) ).

thf(2078,plain,
    ! [SV150: $i,SV46: $i] :
      ( ( ( ~ ! [SY405: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                          | ( SY405 != SV150 ) )
                    | ~ ( ordinal @ SV150 ) ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2048]) ).

thf(2079,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
                    | ( ( sK52_SY384 @ SV145 @ SV46 )
                     != SV145 ) )
              | ~ ( ordinal @ SV145 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2049]) ).

thf(2080,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV154 @ SV46 )
                    | ( SV154 != SV145 ) )
              | ~ ( ordinal @ SV145 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2050]) ).

thf(2081,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
              | ( ( sK49_SY374 @ SV142 @ SV46 )
               != SV142 ) ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2051]) ).

thf(2082,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ordinal @ SV142 )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2052]) ).

thf(2083,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ( ~ ( in @ SV152 @ SV46 )
              | ( SV152 != SV142 ) ) )
        = $false )
      | ( ( ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2053]) ).

thf(2084,plain,
    ! [SV46: $i,SV136: $i,SV146: $i] :
      ( ( ( SV146 = SV136 )
        = $false )
      | ( ( in @ SV146 @ SV46 )
        = $false )
      | ( ( ~ ( ordinal @ SV136 ) )
        = $true )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2056]) ).

thf(2085,plain,
    ! [SV12: $i,SV121: $i,SV124: $i] :
      ( ( ( ~ ( in @ SV124 @ SV121 ) )
        = $false )
      | ( ( in @ SV121 @ SV124 )
        = $true )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( SV121 = SV124 )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2058]) ).

thf(2086,plain,
    ! [SV147: $i,SV18: $i] :
      ( ( ( ! [SY398: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY398 @ SV18 )
                        | ~ ( in @ SY398 @ SV18 ) )
                  | ( SV147
                   != ( singleton @ SY398 ) ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2059]) ).

thf(2087,plain,
    ! [SV147: $i,SV18: $i] :
      ( ( ( ! [SY399: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY399 @ SV18 )
                        | ~ ( in @ SY399 @ SV18 ) )
                  | ( SV147
                   != ( singleton @ SY399 ) ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2060]) ).

thf(2088,plain,
    ! [SV148: $i,SV18: $i] :
      ( ( ( ! [SY400: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY400 @ SV18 )
                        | ~ ( in @ SY400 @ SV18 ) )
                  | ( SV148
                   != ( singleton @ SY400 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2061]) ).

thf(2089,plain,
    ! [SV148: $i,SV18: $i] :
      ( ( ( ! [SY401: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY401 @ SV18 )
                        | ~ ( in @ SY401 @ SV18 ) )
                  | ( SV148
                   != ( singleton @ SY401 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2062]) ).

thf(2090,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) )
          | ( SV143
           != ( singleton @ ( sK51_SY382 @ SV143 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2063]) ).

thf(2091,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV153 @ SV18 )
                | ~ ( in @ SV153 @ SV18 ) )
          | ( SV143
           != ( singleton @ SV153 ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2064]) ).

thf(2092,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
          | ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2065]) ).

thf(2093,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV18 )
          | ~ ( in @ SV151 @ SV18 ) )
        = $true )
      | ( ( SV140
         != ( singleton @ SV151 ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2067]) ).

thf(2094,plain,
    ! [SV18: $i,SV144: $i,SV134: $i] :
      ( ( ( SV134
          = ( singleton @ SV144 ) )
        = $false )
      | ( ( in @ SV144 @ SV18 )
        = $false )
      | ( ( in @ SV144 @ SV18 )
        = $false )
      | ( ( in @ SV134 @ ( sK26_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( sK15_SY345 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2068]) ).

thf(2095,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2069]) ).

thf(2096,plain,
    ! [SV32: $i,SV82: $i,SV139: $i] :
      ( ( ( ~ ( in @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) @ SV32 ) )
        = $false )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2069]) ).

thf(2097,plain,
    ! [SV115: $i,SV84: $i,SV34: $i,SV106: $i,SV133: $i] :
      ( ( ( SV133 = SV106 )
        = $true )
      | ( ( SV133 = SV34 )
        = $true )
      | ( ( SV133 = SV84 )
        = $true )
      | ( ( in @ SV133 @ SV115 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2070]) ).

thf(2098,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV84 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2071]) ).

thf(2099,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2072]) ).

thf(2100,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2073]) ).

thf(2101,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2074]) ).

thf(2102,plain,
    ! [SV149: $i,SV46: $i] :
      ( ( ( ! [SY402: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY402 @ SV46 )
                        | ( SY402 != SV149 ) )
                  | ~ ( ordinal @ SV149 ) ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2075]) ).

thf(2103,plain,
    ! [SV149: $i,SV46: $i] :
      ( ( ( ! [SY403: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY403 @ SV46 )
                        | ( SY403 != SV149 ) )
                  | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2076]) ).

thf(2104,plain,
    ! [SV150: $i,SV46: $i] :
      ( ( ( ! [SY404: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY404 @ SV46 )
                        | ( SY404 != SV150 ) )
                  | ~ ( ordinal @ SV150 ) ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2077]) ).

thf(2105,plain,
    ! [SV150: $i,SV46: $i] :
      ( ( ( ! [SY405: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SY405 @ SV46 )
                        | ( SY405 != SV150 ) )
                  | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2078]) ).

thf(2106,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
                | ( ( sK52_SY384 @ SV145 @ SV46 )
                 != SV145 ) )
          | ~ ( ordinal @ SV145 ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2079]) ).

thf(2107,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV154 @ SV46 )
                | ( SV154 != SV145 ) )
          | ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2080]) ).

thf(2108,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
          | ( ( sK49_SY374 @ SV142 @ SV46 )
           != SV142 ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2081]) ).

thf(2109,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV46 )
          | ( SV152 != SV142 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2083]) ).

thf(2110,plain,
    ! [SV46: $i,SV146: $i,SV136: $i] :
      ( ( ( ordinal @ SV136 )
        = $false )
      | ( ( in @ SV146 @ SV46 )
        = $false )
      | ( ( SV146 = SV136 )
        = $false )
      | ( ( in @ SV136 @ ( sK27_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK14_SY342 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2084]) ).

thf(2111,plain,
    ! [SV12: $i,SV121: $i,SV124: $i] :
      ( ( ( in @ SV124 @ SV121 )
        = $true )
      | ( ( in @ SV121 @ SV124 )
        = $true )
      | ( ( in @ SV121 @ SV12 )
        = $false )
      | ( ( in @ SV124 @ SV12 )
        = $false )
      | ( ( SV121 = SV124 )
        = $true )
      | ( ( epsilon_connected @ SV12 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2085]) ).

thf(2112,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
                      | ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) )
                | ( SV147
                 != ( singleton @ ( sK53_SY398 @ SV147 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2086]) ).

thf(2113,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV155 @ SV18 )
                      | ~ ( in @ SV155 @ SV18 ) )
                | ( SV147
                 != ( singleton @ SV155 ) ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2087]) ).

thf(2114,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
                      | ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) )
                | ( SV148
                 != ( singleton @ ( sK54_SY400 @ SV148 @ SV18 ) ) ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2088]) ).

thf(2115,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV156 @ SV18 )
                      | ~ ( in @ SV156 @ SV18 ) )
                | ( SV148
                 != ( singleton @ SV156 ) ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2089]) ).

thf(2116,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2090]) ).

thf(2117,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( SV143
         != ( singleton @ ( sK51_SY382 @ SV143 @ SV18 ) ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2090]) ).

thf(2118,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV153 @ SV18 )
                | ~ ( in @ SV153 @ SV18 ) ) )
        = $true )
      | ( ( SV143
         != ( singleton @ SV153 ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2091]) ).

thf(2119,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2092]) ).

thf(2120,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( ~ ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2092]) ).

thf(2121,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( ~ ( in @ SV151 @ SV18 ) )
        = $true )
      | ( ( ~ ( in @ SV151 @ SV18 ) )
        = $true )
      | ( ( SV140
         != ( singleton @ SV151 ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2093]) ).

thf(2122,plain,
    ! [SV139: $i,SV82: $i,SV32: $i] :
      ( ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2095]) ).

thf(2123,plain,
    ! [SV32: $i,SV82: $i,SV139: $i] :
      ( ( ( in @ ( sK50_SY355 @ SV139 @ SV82 @ SV32 ) @ SV32 )
        = $true )
      | ( ( in @ ( sK23_SY295 @ SV32 @ SV82 ) @ SV139 )
        = $false )
      | ( ( in @ SV139 @ SV32 )
        = $false )
      | ( ( SV82
          = ( union @ SV32 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2096]) ).

thf(2124,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2098]) ).

thf(2125,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2099]) ).

thf(2126,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV34 ) )
                | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                     != SV84 ) ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2100]) ).

thf(2127,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2101]) ).

thf(2128,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
                      | ( ( sK55_SY402 @ SV149 @ SV46 )
                       != SV149 ) )
                | ~ ( ordinal @ SV149 ) ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2102]) ).

thf(2129,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV157 @ SV46 )
                      | ( SV157 != SV149 ) )
                | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2103]) ).

thf(2130,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
                      | ( ( sK56_SY404 @ SV150 @ SV46 )
                       != SV150 ) )
                | ~ ( ordinal @ SV150 ) ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[2104]) ).

thf(2131,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV158 @ SV46 )
                      | ( SV158 != SV150 ) )
                | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2105]) ).

thf(2132,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
                | ( ( sK52_SY384 @ SV145 @ SV46 )
                 != SV145 ) ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2106]) ).

thf(2133,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( ordinal @ SV145 ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2106]) ).

thf(2134,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV154 @ SV46 )
                | ( SV154 != SV145 ) ) )
        = $true )
      | ( ( ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2107]) ).

thf(2135,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ~ ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 ) )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2108]) ).

thf(2136,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ( sK49_SY374 @ SV142 @ SV46 )
         != SV142 )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2108]) ).

thf(2137,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( ~ ( in @ SV152 @ SV46 ) )
        = $true )
      | ( ( SV152 != SV142 )
        = $true )
      | ( ( ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2109]) ).

thf(2138,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
                    | ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) )
              | ( SV147
               != ( singleton @ ( sK53_SY398 @ SV147 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2112]) ).

thf(2139,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV155 @ SV18 )
                    | ~ ( in @ SV155 @ SV18 ) )
              | ( SV147
               != ( singleton @ SV155 ) ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2113]) ).

thf(2140,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
                    | ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) )
              | ( SV148
               != ( singleton @ ( sK54_SY400 @ SV148 @ SV18 ) ) ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2114]) ).

thf(2141,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV156 @ SV18 )
                    | ~ ( in @ SV156 @ SV18 ) )
              | ( SV148
               != ( singleton @ SV156 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2115]) ).

thf(2142,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
              | ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2116]) ).

thf(2143,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( SV143
          = ( singleton @ ( sK51_SY382 @ SV143 @ SV18 ) ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2117]) ).

thf(2144,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( in @ SV153 @ SV18 )
              | ~ ( in @ SV153 @ SV18 ) ) )
        = $false )
      | ( ( SV143
         != ( singleton @ SV153 ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2118]) ).

thf(2145,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2119]) ).

thf(2146,plain,
    ! [SV18: $i,SV140: $i] :
      ( ( ( in @ ( sK48_SY372 @ SV140 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2120]) ).

thf(2147,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV18 )
        = $false )
      | ( ( ~ ( in @ SV151 @ SV18 ) )
        = $true )
      | ( ( SV140
         != ( singleton @ SV151 ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2121]) ).

thf(2148,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV106 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2124]) ).

thf(2149,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV34 ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV84 ) ) ) )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2125]) ).

thf(2150,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV34 ) )
              | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
                   != SV84 ) ) ) )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2126]) ).

thf(2151,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV34 )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2127]) ).

thf(2152,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
                    | ( ( sK55_SY402 @ SV149 @ SV46 )
                     != SV149 ) )
              | ~ ( ordinal @ SV149 ) ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2128]) ).

thf(2153,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV157 @ SV46 )
                    | ( SV157 != SV149 ) )
              | ~ ( ordinal @ SV149 ) ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2129]) ).

thf(2154,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
                    | ( ( sK56_SY404 @ SV150 @ SV46 )
                     != SV150 ) )
              | ~ ( ordinal @ SV150 ) ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2130]) ).

thf(2155,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV158 @ SV46 )
                    | ( SV158 != SV150 ) )
              | ~ ( ordinal @ SV150 ) ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2131]) ).

thf(2156,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
              | ( ( sK52_SY384 @ SV145 @ SV46 )
               != SV145 ) ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2132]) ).

thf(2157,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ordinal @ SV145 )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2133]) ).

thf(2158,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ( ~ ( in @ SV154 @ SV46 )
              | ( SV154 != SV145 ) ) )
        = $false )
      | ( ( ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2134]) ).

thf(2159,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( in @ ( sK49_SY374 @ SV142 @ SV46 ) @ SV46 )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2135]) ).

thf(2160,plain,
    ! [SV46: $i,SV142: $i] :
      ( ( ( ( sK49_SY374 @ SV142 @ SV46 )
          = SV142 )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2136]) ).

thf(2161,plain,
    ! [SV142: $i,SV46: $i,SV152: $i] :
      ( ( ( in @ SV152 @ SV46 )
        = $false )
      | ( ( SV152 != SV142 )
        = $true )
      | ( ( ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2137]) ).

thf(2162,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) )
          | ( SV147
           != ( singleton @ ( sK53_SY398 @ SV147 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2138]) ).

thf(2163,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV155 @ SV18 )
                | ~ ( in @ SV155 @ SV18 ) )
          | ( SV147
           != ( singleton @ SV155 ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2139]) ).

thf(2164,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) )
          | ( SV148
           != ( singleton @ ( sK54_SY400 @ SV148 @ SV18 ) ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2140]) ).

thf(2165,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV156 @ SV18 )
                | ~ ( in @ SV156 @ SV18 ) )
          | ( SV148
           != ( singleton @ SV156 ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2141]) ).

thf(2166,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
          | ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2142]) ).

thf(2167,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ( in @ SV153 @ SV18 )
          | ~ ( in @ SV153 @ SV18 ) )
        = $true )
      | ( ( SV143
         != ( singleton @ SV153 ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2144]) ).

thf(2168,plain,
    ! [SV140: $i,SV18: $i,SV151: $i] :
      ( ( ( in @ SV151 @ SV18 )
        = $false )
      | ( ( in @ SV151 @ SV18 )
        = $false )
      | ( ( SV140
         != ( singleton @ SV151 ) )
        = $true )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2147]) ).

thf(2169,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( in @ ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 ) @ SV115 )
        = $true )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2148]) ).

thf(2170,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2149]) ).

thf(2171,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) )
          | ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2150]) ).

thf(2172,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2151]) ).

thf(2173,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
                | ( ( sK55_SY402 @ SV149 @ SV46 )
                 != SV149 ) )
          | ~ ( ordinal @ SV149 ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2152]) ).

thf(2174,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV157 @ SV46 )
                | ( SV157 != SV149 ) )
          | ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2153]) ).

thf(2175,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
                | ( ( sK56_SY404 @ SV150 @ SV46 )
                 != SV150 ) )
          | ~ ( ordinal @ SV150 ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2154]) ).

thf(2176,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV158 @ SV46 )
                | ( SV158 != SV150 ) )
          | ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2155]) ).

thf(2177,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
          | ( ( sK52_SY384 @ SV145 @ SV46 )
           != SV145 ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2156]) ).

thf(2178,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ( in @ SV154 @ SV46 )
          | ( SV154 != SV145 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2158]) ).

thf(2179,plain,
    ! [SV46: $i,SV142: $i,SV152: $i] :
      ( ( ( SV152 = SV142 )
        = $false )
      | ( ( in @ SV152 @ SV46 )
        = $false )
      | ( ( ~ ( ordinal @ SV142 ) )
        = $true )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2161]) ).

thf(2180,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2162]) ).

thf(2181,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( SV147
         != ( singleton @ ( sK53_SY398 @ SV147 @ SV18 ) ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2162]) ).

thf(2182,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV155 @ SV18 )
                | ~ ( in @ SV155 @ SV18 ) ) )
        = $true )
      | ( ( SV147
         != ( singleton @ SV155 ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2163]) ).

thf(2183,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
                | ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2164]) ).

thf(2184,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( SV148
         != ( singleton @ ( sK54_SY400 @ SV148 @ SV18 ) ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2164]) ).

thf(2185,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV156 @ SV18 )
                | ~ ( in @ SV156 @ SV18 ) ) )
        = $true )
      | ( ( SV148
         != ( singleton @ SV156 ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2165]) ).

thf(2186,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2166]) ).

thf(2187,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( ~ ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2166]) ).

thf(2188,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( ~ ( in @ SV153 @ SV18 ) )
        = $true )
      | ( ( ~ ( in @ SV153 @ SV18 ) )
        = $true )
      | ( ( SV143
         != ( singleton @ SV153 ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2167]) ).

thf(2189,plain,
    ! [SV18: $i,SV151: $i,SV140: $i] :
      ( ( ( SV140
          = ( singleton @ SV151 ) )
        = $false )
      | ( ( in @ SV151 @ SV18 )
        = $false )
      | ( ( in @ SV151 @ SV18 )
        = $false )
      | ( ( in @ SV140 @ ( sK35_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK15_SY345 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2168]) ).

thf(2190,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2170]) ).

thf(2191,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV34 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2171]) ).

thf(2192,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV84 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2172]) ).

thf(2193,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
                | ( ( sK55_SY402 @ SV149 @ SV46 )
                 != SV149 ) ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2173]) ).

thf(2194,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( ordinal @ SV149 ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2173]) ).

thf(2195,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV157 @ SV46 )
                | ( SV157 != SV149 ) ) )
        = $true )
      | ( ( ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2174]) ).

thf(2196,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
                | ( ( sK56_SY404 @ SV150 @ SV46 )
                 != SV150 ) ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2175]) ).

thf(2197,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( ordinal @ SV150 ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2175]) ).

thf(2198,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV158 @ SV46 )
                | ( SV158 != SV150 ) ) )
        = $true )
      | ( ( ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2176]) ).

thf(2199,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ~ ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 ) )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2177]) ).

thf(2200,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ( sK52_SY384 @ SV145 @ SV46 )
         != SV145 )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2177]) ).

thf(2201,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( ~ ( in @ SV154 @ SV46 ) )
        = $true )
      | ( ( SV154 != SV145 )
        = $true )
      | ( ( ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2178]) ).

thf(2202,plain,
    ! [SV46: $i,SV152: $i,SV142: $i] :
      ( ( ( ordinal @ SV142 )
        = $false )
      | ( ( in @ SV152 @ SV46 )
        = $false )
      | ( ( SV152 = SV142 )
        = $false )
      | ( ( in @ SV142 @ ( sK37_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2179]) ).

thf(2203,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
              | ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2180]) ).

thf(2204,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( SV147
          = ( singleton @ ( sK53_SY398 @ SV147 @ SV18 ) ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2181]) ).

thf(2205,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ( ~ ( in @ SV155 @ SV18 )
              | ~ ( in @ SV155 @ SV18 ) ) )
        = $false )
      | ( ( SV147
         != ( singleton @ SV155 ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2182]) ).

thf(2206,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
              | ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2183]) ).

thf(2207,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( SV148
          = ( singleton @ ( sK54_SY400 @ SV148 @ SV18 ) ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2184]) ).

thf(2208,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ( ~ ( in @ SV156 @ SV18 )
              | ~ ( in @ SV156 @ SV18 ) ) )
        = $false )
      | ( ( SV148
         != ( singleton @ SV156 ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2185]) ).

thf(2209,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2186]) ).

thf(2210,plain,
    ! [SV18: $i,SV143: $i] :
      ( ( ( in @ ( sK51_SY382 @ SV143 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2187]) ).

thf(2211,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( in @ SV153 @ SV18 )
        = $false )
      | ( ( ~ ( in @ SV153 @ SV18 ) )
        = $true )
      | ( ( SV143
         != ( singleton @ SV153 ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2188]) ).

thf(2212,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV34 )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2190]) ).

thf(2213,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV34 )
        = $false )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2191]) ).

thf(2214,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2192]) ).

thf(2215,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
              | ( ( sK55_SY402 @ SV149 @ SV46 )
               != SV149 ) ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2193]) ).

thf(2216,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ordinal @ SV149 )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2194]) ).

thf(2217,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ( ~ ( in @ SV157 @ SV46 )
              | ( SV157 != SV149 ) ) )
        = $false )
      | ( ( ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2195]) ).

thf(2218,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
              | ( ( sK56_SY404 @ SV150 @ SV46 )
               != SV150 ) ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2196]) ).

thf(2219,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ordinal @ SV150 )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2197]) ).

thf(2220,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ( ~ ( in @ SV158 @ SV46 )
              | ( SV158 != SV150 ) ) )
        = $false )
      | ( ( ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2198]) ).

thf(2221,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( in @ ( sK52_SY384 @ SV145 @ SV46 ) @ SV46 )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2199]) ).

thf(2222,plain,
    ! [SV46: $i,SV145: $i] :
      ( ( ( ( sK52_SY384 @ SV145 @ SV46 )
          = SV145 )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2200]) ).

thf(2223,plain,
    ! [SV145: $i,SV46: $i,SV154: $i] :
      ( ( ( in @ SV154 @ SV46 )
        = $false )
      | ( ( SV154 != SV145 )
        = $true )
      | ( ( ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2201]) ).

thf(2224,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
          | ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2203]) ).

thf(2225,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ( in @ SV155 @ SV18 )
          | ~ ( in @ SV155 @ SV18 ) )
        = $true )
      | ( ( SV147
         != ( singleton @ SV155 ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2205]) ).

thf(2226,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
          | ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2206]) ).

thf(2227,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ( in @ SV156 @ SV18 )
          | ~ ( in @ SV156 @ SV18 ) )
        = $true )
      | ( ( SV148
         != ( singleton @ SV156 ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2208]) ).

thf(2228,plain,
    ! [SV143: $i,SV18: $i,SV153: $i] :
      ( ( ( in @ SV153 @ SV18 )
        = $false )
      | ( ( in @ SV153 @ SV18 )
        = $false )
      | ( ( SV143
         != ( singleton @ SV153 ) )
        = $true )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2211]) ).

thf(2229,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2212]) ).

thf(2230,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV84 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2213]) ).

thf(2231,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV106 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2214]) ).

thf(2232,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
          | ( ( sK55_SY402 @ SV149 @ SV46 )
           != SV149 ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2215]) ).

thf(2233,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ( in @ SV157 @ SV46 )
          | ( SV157 != SV149 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2217]) ).

thf(2234,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
          | ( ( sK56_SY404 @ SV150 @ SV46 )
           != SV150 ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2218]) ).

thf(2235,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ( in @ SV158 @ SV46 )
          | ( SV158 != SV150 ) )
        = $true )
      | ( ( ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2220]) ).

thf(2236,plain,
    ! [SV46: $i,SV145: $i,SV154: $i] :
      ( ( ( SV154 = SV145 )
        = $false )
      | ( ( in @ SV154 @ SV46 )
        = $false )
      | ( ( ~ ( ordinal @ SV145 ) )
        = $true )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2223]) ).

thf(2237,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2224]) ).

thf(2238,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2224]) ).

thf(2239,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( ~ ( in @ SV155 @ SV18 ) )
        = $true )
      | ( ( ~ ( in @ SV155 @ SV18 ) )
        = $true )
      | ( ( SV147
         != ( singleton @ SV155 ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2225]) ).

thf(2240,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2226]) ).

thf(2241,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( ~ ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2226]) ).

thf(2242,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( ~ ( in @ SV156 @ SV18 ) )
        = $true )
      | ( ( ~ ( in @ SV156 @ SV18 ) )
        = $true )
      | ( ( SV148
         != ( singleton @ SV156 ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2227]) ).

thf(2243,plain,
    ! [SV18: $i,SV153: $i,SV143: $i] :
      ( ( ( SV143
          = ( singleton @ SV153 ) )
        = $false )
      | ( ( in @ SV153 @ SV18 )
        = $false )
      | ( ( in @ SV153 @ SV18 )
        = $false )
      | ( ( in @ SV143 @ ( sK39_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2228]) ).

thf(2244,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV84 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2229]) ).

thf(2245,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV84 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2230]) ).

thf(2246,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2231]) ).

thf(2247,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ~ ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 ) )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2232]) ).

thf(2248,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ( sK55_SY402 @ SV149 @ SV46 )
         != SV149 )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2232]) ).

thf(2249,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( ~ ( in @ SV157 @ SV46 ) )
        = $true )
      | ( ( SV157 != SV149 )
        = $true )
      | ( ( ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2233]) ).

thf(2250,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ~ ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 ) )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2234]) ).

thf(2251,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ( sK56_SY404 @ SV150 @ SV46 )
         != SV150 )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2234]) ).

thf(2252,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( ~ ( in @ SV158 @ SV46 ) )
        = $true )
      | ( ( SV158 != SV150 )
        = $true )
      | ( ( ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2235]) ).

thf(2253,plain,
    ! [SV46: $i,SV154: $i,SV145: $i] :
      ( ( ( ordinal @ SV145 )
        = $false )
      | ( ( in @ SV154 @ SV46 )
        = $false )
      | ( ( SV154 = SV145 )
        = $false )
      | ( ( in @ SV145 @ ( sK40_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK17_SY348 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2236]) ).

thf(2254,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2237]) ).

thf(2255,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( in @ ( sK53_SY398 @ SV147 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $false )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2238]) ).

thf(2256,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( in @ SV155 @ SV18 )
        = $false )
      | ( ( ~ ( in @ SV155 @ SV18 ) )
        = $true )
      | ( ( SV147
         != ( singleton @ SV155 ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2239]) ).

thf(2257,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2240]) ).

thf(2258,plain,
    ! [SV18: $i,SV148: $i] :
      ( ( ( in @ ( sK54_SY400 @ SV148 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $false )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2241]) ).

thf(2259,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( in @ SV156 @ SV18 )
        = $false )
      | ( ( ~ ( in @ SV156 @ SV18 ) )
        = $true )
      | ( ( SV148
         != ( singleton @ SV156 ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2242]) ).

thf(2260,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2244]) ).

thf(2261,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ~ ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
               != SV106 ) ) )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2245]) ).

thf(2262,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( in @ ( sK55_SY402 @ SV149 @ SV46 ) @ SV46 )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2247]) ).

thf(2263,plain,
    ! [SV46: $i,SV149: $i] :
      ( ( ( ( sK55_SY402 @ SV149 @ SV46 )
          = SV149 )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $false )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2248]) ).

thf(2264,plain,
    ! [SV149: $i,SV46: $i,SV157: $i] :
      ( ( ( in @ SV157 @ SV46 )
        = $false )
      | ( ( SV157 != SV149 )
        = $true )
      | ( ( ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2249]) ).

thf(2265,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( in @ ( sK56_SY404 @ SV150 @ SV46 ) @ SV46 )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2250]) ).

thf(2266,plain,
    ! [SV46: $i,SV150: $i] :
      ( ( ( ( sK56_SY404 @ SV150 @ SV46 )
          = SV150 )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $false )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2251]) ).

thf(2267,plain,
    ! [SV150: $i,SV46: $i,SV158: $i] :
      ( ( ( in @ SV158 @ SV46 )
        = $false )
      | ( ( SV158 != SV150 )
        = $true )
      | ( ( ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2252]) ).

thf(2268,plain,
    ! [SV147: $i,SV18: $i,SV155: $i] :
      ( ( ( in @ SV155 @ SV18 )
        = $false )
      | ( ( in @ SV155 @ SV18 )
        = $false )
      | ( ( SV147
         != ( singleton @ SV155 ) )
        = $true )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2256]) ).

thf(2269,plain,
    ! [SV148: $i,SV18: $i,SV156: $i] :
      ( ( ( in @ SV156 @ SV18 )
        = $false )
      | ( ( in @ SV156 @ SV18 )
        = $false )
      | ( ( SV148
         != ( singleton @ SV156 ) )
        = $true )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2259]) ).

thf(2270,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV106 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2260]) ).

thf(2271,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
         != SV106 )
        = $false )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2261]) ).

thf(2272,plain,
    ! [SV46: $i,SV149: $i,SV157: $i] :
      ( ( ( SV157 = SV149 )
        = $false )
      | ( ( in @ SV157 @ SV46 )
        = $false )
      | ( ( ~ ( ordinal @ SV149 ) )
        = $true )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2264]) ).

thf(2273,plain,
    ! [SV46: $i,SV150: $i,SV158: $i] :
      ( ( ( SV158 = SV150 )
        = $false )
      | ( ( in @ SV158 @ SV46 )
        = $false )
      | ( ( ~ ( ordinal @ SV150 ) )
        = $true )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2267]) ).

thf(2274,plain,
    ! [SV18: $i,SV155: $i,SV147: $i] :
      ( ( ( SV147
          = ( singleton @ SV155 ) )
        = $false )
      | ( ( in @ SV155 @ SV18 )
        = $false )
      | ( ( in @ SV155 @ SV18 )
        = $false )
      | ( ( in @ SV147 @ ( sK44_SY193 @ SV18 ) )
        = $true )
      | ( ( in @ ( sK8_SY190 @ SV18 ) @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2268]) ).

thf(2275,plain,
    ! [SV18: $i,SV156: $i,SV148: $i] :
      ( ( ( SV148
          = ( singleton @ SV156 ) )
        = $false )
      | ( ( in @ SV156 @ SV18 )
        = $false )
      | ( ( in @ SV156 @ SV18 )
        = $false )
      | ( ( in @ SV148 @ ( sK45_SY193 @ SV18 ) )
        = $true )
      | ( ( ( sK12_SY338 @ SV18 )
          = ( singleton @ ( sK8_SY190 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2269]) ).

thf(2276,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2270]) ).

thf(2277,plain,
    ! [SV115: $i,SV34: $i,SV84: $i,SV106: $i] :
      ( ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV106 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV34 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $true )
      | ( ( ( sK33_SY341 @ SV106 @ SV84 @ SV34 @ SV115 )
          = SV84 )
        = $false )
      | ( ( SV115
          = ( unordered_triple @ SV34 @ SV84 @ SV106 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2271]) ).

thf(2278,plain,
    ! [SV46: $i,SV157: $i,SV149: $i] :
      ( ( ( ordinal @ SV149 )
        = $false )
      | ( ( in @ SV157 @ SV46 )
        = $false )
      | ( ( SV157 = SV149 )
        = $false )
      | ( ( in @ SV149 @ ( sK46_SY245 @ SV46 ) )
        = $true )
      | ( ( ( sK9_SX1 @ SV46 )
          = ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2272]) ).

thf(2279,plain,
    ! [SV46: $i,SV158: $i,SV150: $i] :
      ( ( ( ordinal @ SV150 )
        = $false )
      | ( ( in @ SV158 @ SV46 )
        = $false )
      | ( ( SV158 = SV150 )
        = $false )
      | ( ( in @ SV150 @ ( sK47_SY245 @ SV46 ) )
        = $true )
      | ( ( ordinal @ ( sK14_SY342 @ SV46 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2273]) ).

thf(2280,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[654,2279,2278,2277,2276,2275,2274,2266,2265,2263,2262,2258,2257,2255,2254,2253,2246,2243,2222,2221,2219,2216,2210,2209,2207,2204,2202,2189,2169,2160,2159,2157,2146,2145,2143,2123,2122,2111,2110,2097,2094,2082,2066,2057,2055,2054,2037,2036,2024,2011,2009,1990,1989,1974,1973,1955,1947,1938,1937,1935,1925,1914,1913,1911,1903,1890,1889,1887,1884,1882,1881,1872,1869,1868,1863,1858,1843,1842,1818,1817,1809,1806,1805,1804,1800,1797,1796,1795,1794,1786,1760,1752,1748,1747,1730,1722,1710,1709,1707,1705,1702,1697,1695,1690,1688,1686,1666,1665,1658,1654,1653,1648,1647,1646,1641,1640,1631,1630,1629,1621,1614,1602,1597,1585,1578,1577,1565,1545,1538,1537,1526,1525,1507,1506,1489,1486,1483,1482,1481,1462,1460,1439,1428,1427,1426,1424,1423,1419,1394,1372,1342,1326,1320,1319,1297,1287,1286,1278,1277,1268,1267,1235,1234,1203,1191,1190,1181,1176,1175,1174,1172,1140,1125,1121,1116,1114,1111,1083,1047,1028,1025,1024,1020,998,997,995,988,985,974,970,969,958,957,946,943,928,925,845,783,781,780,779,715,693,692,691,689,686,680,679,678,677,676,674,673,672,671,669,667,666,665,664,663,662,661,659,658,657,656,655]) ).

thf(2281,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[2280]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU321+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.05  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.18  % Computer : n017.cluster.edu
% 0.08/0.18  % Model    : x86_64 x86_64
% 0.08/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.18  % Memory   : 8046.5625MB
% 0.08/0.18  % OS       : Linux 6.8.0-71-generic
% 0.08/0.18  % CPULimit : 300
% 0.08/0.18  % WCLimit  : 300
% 0.08/0.18  % DateTime : Tue Oct  6 15:09:30 UTC 2026
% 0.08/0.18  % CPUTime  : 
% 0.08/0.18  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 19.81/3.52  ....
% 19.81/3.52  
% 19.81/3.52   No.of.Axioms: 92
% 19.81/3.52  
% 19.81/3.52   Length.of.Defs: 0
% 19.81/3.52  
% 19.81/3.52   Contains.Choice.Funs: false
% 19.81/3.52  ...........................................................
% 19.81/3.52  
% 19.81/3.52  ********************************
% 19.81/3.52  *   All subproblems solved!    *
% 19.81/3.52  ********************************
% 19.81/3.52  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:94,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:2280,loop_count:0,foatp_calls:1,translation:fof_full)
% 19.81/3.52  
% 19.81/3.52  %**** Beginning of derivation protocol ****
% 19.81/3.52  % SZS output start CNFRefutation
% See solution above
% 19.81/3.55  
% 19.81/3.55  %**** End of derivation protocol ****
% 19.81/3.55  %**** no. of clauses in derivation: 1851 ****
% 19.81/3.55  %**** clause counter: 2280 ****
% 19.81/3.55  
% 19.81/3.55  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:94,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:2280,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------