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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU325+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/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n005.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 10:43:59 AM UTC 2026

% Result   : Theorem 172.79s 29.13s
% Output   : CNFRefutation 29.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :  136
% Syntax   : Number of formulae    : 1675 ( 721 unt;   0 typ;   0 def)
%            Number of atoms       : 13192 (4589 equ;   0 cnn)
%            Maximal formula atoms :    9 (   7 avg)
%            Number of connectives : 24841 (5296   ~;4125   |; 236   &;14744   @)
%                                         (  72 <=>; 368  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  140 ( 137 usr;   8 con; 0-6 aty)
%            Number of variables   : 3671 (   0   ^;3641   !;  30   ?;3671   :)

% 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_interior,type,
    interior: $i > $i > $i ).

thf(tp_is_a_cover_of_carrier,type,
    is_a_cover_of_carrier: $i > $i > $o ).

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_SY253,type,
    sK10_SY253: $i > $i ).

thf(tp_sK11_SY265,type,
    sK11_SY265: $i > $i ).

thf(tp_sK12_SY383,type,
    sK12_SY383: $i > $i ).

thf(tp_sK13_SY259,type,
    sK13_SY259: $i > $i ).

thf(tp_sK14_SY353,type,
    sK14_SY353: $i > $i > $i ).

thf(tp_sK15_SY236,type,
    sK15_SY236: $i > $i ).

thf(tp_sK16_SY260,type,
    sK16_SY260: $i > $i ).

thf(tp_sK17_SY319,type,
    sK17_SY319: $i > $i ).

thf(tp_sK18_SY382,type,
    sK18_SY382: $i > $i > $i > $i ).

thf(tp_sK19_SY378,type,
    sK19_SY378: $i > $i > $i ).

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

thf(tp_sK20_SY343,type,
    sK20_SY343: $i > $i > $i ).

thf(tp_sK21_SY390,type,
    sK21_SY390: $i > $i > $i ).

thf(tp_sK22_SY389,type,
    sK22_SY389: $i > $i > $i > $i ).

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

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

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

thf(tp_sK5_SY272,type,
    sK5_SY272: $i > $i ).

thf(tp_sK6_SY295,type,
    sK6_SY295: $i > $i ).

thf(tp_sK7_SY318,type,
    sK7_SY318: $i > $i ).

thf(tp_sK8_SY371,type,
    sK8_SY371: $i > $i > $i ).

thf(tp_sK9_SY242,type,
    sK9_SY242: $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(5,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(6,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    file('/export/starexec/sandbox2/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/sandbox2/benchmark/theBenchmark.p',t4_subset) ).

thf(8,axiom,
    ! [A: $i] :
      ( ( set_difference @ empty_set @ A )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_boole) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( set_difference @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( set_intersection2 @ A @ empty_set )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_boole) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(15,axiom,
    ! [A: $i] :
      ( ( set_union2 @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_boole) ).

thf(36,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_difference @ A @ B @ C )
        = ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_subset_1) ).

thf(37,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( meet_of_subsets @ A @ B )
        = ( set_meet @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_setfam_1) ).

thf(38,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_intersection2 @ A @ B @ C )
        = ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_subset_1) ).

thf(39,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( union_of_subsets @ A @ B )
        = ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_setfam_1) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( ( topological_space @ A )
        & ( top_str @ A ) )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
          & ( closed_subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc6_pre_topc) ).

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/sandbox2/benchmark/theBenchmark.p',rc5_struct_0) ).

thf(48,axiom,
    ? [A: $i] :
      ( ( one_sorted_str @ A )
      & ~ ( empty_carrier @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_struct_0) ).

thf(52,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B )
          & ( finite @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_finset_1) ).

thf(55,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(62,axiom,
    ! [A: $i] :
      ( ( ( topological_space @ A )
        & ( top_str @ A ) )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
          & ( open_subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_tops_1) ).

thf(63,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(74,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(76,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(77,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_intersection2 @ A @ B @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k5_subset_1) ).

thf(92,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(117,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( one_sorted_str @ A ) )
     => ~ ( empty @ ( cast_as_carrier_subset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_pre_topc) ).

thf(125,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(126,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(127,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( one_sorted_str @ A ) )
     => ~ ( empty @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_struct_0) ).

thf(137,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(144,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(148,axiom,
    ? [A: $i] : ( one_sorted_str @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_l1_struct_0) ).

thf(152,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_u1_struct_0) ).

thf(153,axiom,
    ! [A: $i] :
      ( ( top_str @ A )
     => ( element @ ( the_topology @ A ) @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_u1_pre_topc) ).

thf(155,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m2_relset_1) ).

thf(156,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(157,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m1_relset_1) ).

thf(159,axiom,
    ! [A: $i] :
      ( ( join_semilatt_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_l2_lattices) ).

thf(160,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_l1_struct_0) ).

thf(161,axiom,
    ! [A: $i] :
      ( ( top_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_l1_pre_topc) ).

thf(162,axiom,
    ! [A: $i] :
      ( ( meet_semilatt_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_l1_lattices) ).

thf(163,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k9_relat_1) ).

thf(165,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(167,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/sandbox2/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(168,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(170,axiom,
    ! [A: $i,B: $i] :
      ( ( ( top_str @ A )
        & ( element @ B @ ( powerset @ ( the_carrier @ A ) ) ) )
     => ( element @ ( topstr_closure @ A @ B ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_pre_topc) ).

thf(171,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/sandbox2/benchmark/theBenchmark.p',dt_k5_subset_1) ).

thf(172,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(173,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( element @ ( relation_rng_as_subset @ A @ B @ C ) @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_relset_1) ).

thf(175,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_ordinal2) ).

thf(176,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_xboole_0) ).

thf(177,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_tarski) ).

thf(178,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( element @ ( relation_dom_as_subset @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relset_1) ).

thf(180,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( meet_commutative @ A )
        & ( meet_semilatt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) )
        & ( element @ C @ ( the_carrier @ A ) ) )
     => ( element @ ( meet_commut @ A @ B @ C ) @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_lattices) ).

thf(181,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(182,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_tarski) ).

thf(183,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(184,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_relat_1) ).

thf(185,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( join_commutative @ A )
        & ( join_semilatt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) )
        & ( element @ C @ ( the_carrier @ A ) ) )
     => ( element @ ( join_commut @ A @ B @ C ) @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_lattices) ).

thf(186,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_zfmisc_1) ).

thf(187,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_xboole_0) ).

thf(189,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(190,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(191,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_relat_1) ).

thf(192,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_pre_topc) ).

thf(193,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_mcart_1) ).

thf(194,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( meet_semilatt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) )
        & ( element @ C @ ( the_carrier @ A ) ) )
     => ( element @ ( meet @ A @ B @ C ) @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_lattices) ).

thf(197,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_zfmisc_1) ).

thf(198,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(200,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_wellord1) ).

thf(201,axiom,
    ! [A: $i,B: $i] :
      ( ( ( top_str @ A )
        & ( element @ B @ ( powerset @ ( the_carrier @ A ) ) ) )
     => ( element @ ( interior @ A @ B ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_tops_1) ).

thf(202,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(203,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_setfam_1) ).

thf(204,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_relat_1) ).

thf(205,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( element @ ( empty_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_pre_topc) ).

thf(206,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_ordinal1) ).

thf(207,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_mcart_1) ).

thf(208,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( join_semilatt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) )
        & ( element @ C @ ( the_carrier @ A ) ) )
     => ( element @ ( join @ A @ B @ C ) @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_lattices) ).

thf(209,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_funct_1) ).

thf(210,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_enumset1) ).

thf(211,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_binop_1) ).

thf(212,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k10_relat_1) ).

thf(216,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/sandbox2/benchmark/theBenchmark.p',d8_setfam_1) ).

thf(219,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) )
         => ( ( is_a_cover_of_carrier @ A @ B )
          <=> ( ( cast_as_carrier_subset @ A )
              = ( union_of_subsets @ ( the_carrier @ A ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_pre_topc) ).

thf(222,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_intersection2 @ A @ B )
        = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

thf(232,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

thf(250,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( cast_as_carrier_subset @ A )
        = ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_pre_topc) ).

thf(252,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( join_semilatt_str @ A ) )
     => ! [B: $i] :
          ( ( element @ B @ ( the_carrier @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ A ) )
             => ( ( below @ A @ B @ C )
              <=> ( ( join @ A @ B @ C )
                  = C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_lattices) ).

thf(257,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( in @ B @ A ) ) )
      & ( ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( empty @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_subset_1) ).

thf(259,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( empty_carrier_subset @ A )
        = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_pre_topc) ).

thf(263,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( powerset @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( subset @ C @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_zfmisc_1) ).

thf(264,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(269,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( empty_carrier @ A )
      <=> ( empty @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_struct_0) ).

thf(270,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A != empty_set )
       => ( ( B
            = ( set_meet @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ! [D: $i] :
                  ( ( in @ D @ A )
                 => ( in @ C @ D ) ) ) ) )
      & ( ( A = empty_set )
       => ( ( B
            = ( set_meet @ A ) )
        <=> ( B = empty_set ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_setfam_1) ).

thf(278,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( ( ( ( B = empty_set )
           => ( A = empty_set ) )
         => ( ( quasi_total @ C @ A @ B )
          <=> ( A
              = ( relation_dom_as_subset @ A @ B @ C ) ) ) )
        & ( ( B = empty_set )
         => ( ( A = empty_set )
            | ( ( quasi_total @ C @ A @ B )
            <=> ( C = empty_set ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_funct_2) ).

thf(295,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/sandbox2/benchmark/theBenchmark.p',commutativity_k5_subset_1) ).

thf(296,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( meet_commutative @ A )
        & ( meet_semilatt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) )
        & ( element @ C @ ( the_carrier @ A ) ) )
     => ( ( meet_commut @ A @ B @ C )
        = ( meet_commut @ A @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k4_lattices) ).

thf(298,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( join_commutative @ A )
        & ( join_semilatt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) )
        & ( element @ C @ ( the_carrier @ A ) ) )
     => ( ( join_commut @ A @ B @ C )
        = ( join_commut @ A @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_lattices) ).

thf(309,axiom,
    ! [A: $i] :
      ( ( finite @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( finite @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_finset_1) ).

thf(312,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) )
     => ( relation @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relset_1) ).

thf(319,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( ( epsilon_transitive @ B )
            & ( epsilon_connected @ B )
            & ( ordinal @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_arytm_3) ).

thf(321,axiom,
    ! [A: $i] :
      ( ( v3_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( v1_membered @ B )
            & ( v2_membered @ B )
            & ( v3_membered @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc18_membered) ).

thf(322,axiom,
    ! [A: $i] :
      ( ( v2_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( v1_membered @ B )
            & ( v2_membered @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc17_membered) ).

thf(323,axiom,
    ! [A: $i] :
      ( ( v1_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( v1_membered @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc16_membered) ).

thf(328,axiom,
    ! [A: $i] :
      ( ( v2_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( ( v1_xcmplx_0 @ B )
            & ( v1_xreal_0 @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc11_membered) ).

thf(329,axiom,
    ! [A: $i] :
      ( ( v1_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ A )
         => ( v1_xcmplx_0 @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc10_membered) ).

thf(334,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(359,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_dom @ A )
          = empty_set )
      <=> ( ( relation_rng @ A )
          = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_relat_1) ).

thf(360,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( ( relation_dom @ A )
            = empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t64_relat_1) ).

thf(364,axiom,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    & ( ( relation_rng @ empty_set )
      = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_relat_1) ).

thf(368,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ! [B: $i,C: $i] :
            ~ ( in @ ( ordered_pair @ B @ C ) @ A )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t56_relat_1) ).

thf(372,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_subset_1) ).

thf(377,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/sandbox2/benchmark/theBenchmark.p',t50_subset_1) ).

thf(383,axiom,
    ! [A: $i] :
      ( ( top_str @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
         => ( subset @ B @ ( topstr_closure @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_pre_topc) ).

thf(387,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ~ ( ( B != empty_set )
          & ( ( complements_of_subsets @ A @ B )
            = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_setfam_1) ).

thf(394,axiom,
    ! [A: $i] :
      ( ( top_str @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
         => ( subset @ ( interior @ A @ B ) @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t44_tops_1) ).

thf(397,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ( ( disjoint @ B @ C )
          <=> ( subset @ B @ ( subset_complement @ A @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t43_subset_1) ).

thf(401,axiom,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(405,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_zfmisc_1) ).

thf(410,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_xboole_1) ).

thf(424,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(431,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( join_commutative @ A )
        & ( join_semilatt_str @ A ) )
     => ! [B: $i] :
          ( ( element @ B @ ( the_carrier @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ A ) )
             => ( ( ( below @ A @ B @ C )
                  & ( below @ A @ C @ B ) )
               => ( B = C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t26_lattices) ).

thf(445,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
         => ( ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ B ) )
            = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_pre_topc) ).

thf(454,axiom,
    ( ( powerset @ empty_set )
    = ( singleton @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(459,axiom,
    ! [A: $i] :
      ( ( finite @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ~ ( ( B != empty_set )
              & ! [C: $i] :
                  ~ ( ( in @ C @ B )
                    & ! [D: $i] :
                        ( ( ( in @ D @ B )
                          & ( subset @ C @ D ) )
                       => ( D = C ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t18_finset_1) ).

thf(462,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
         => ( ( subset_complement @ ( the_carrier @ A ) @ B )
            = ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_pre_topc) ).

thf(471,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
         => ( ( subset_intersection2 @ ( the_carrier @ A ) @ B @ ( cast_as_carrier_subset @ A ) )
            = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t15_pre_topc) ).

thf(483,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ ( powerset @ C ) @ B ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t136_zfmisc_1) ).

thf(486,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( cast_as_carrier_subset @ A )
        = ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_pre_topc) ).

thf(519,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l71_subset_1) ).

thf(522,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

thf(524,axiom,
    ! [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/sandbox2/benchmark/theBenchmark.p',l40_tops_1) ).

thf(527,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_subset_1) ).

thf(528,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l32_xboole_1) ).

thf(536,axiom,
    ! [A: $i] :
      ( ( singleton @ A )
     != empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(538,conjecture,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( one_sorted_str @ A ) )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) )
         => ~ ( ( is_a_cover_of_carrier @ A @ B )
              & ( B = empty_set ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_tops_2) ).

thf(539,negated_conjecture,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) )
             => ~ ( ( is_a_cover_of_carrier @ A @ B )
                  & ( B = empty_set ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[538]) ).

thf(540,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) )
             => ~ ( ( is_a_cover_of_carrier @ A @ B )
                  & ( B = empty_set ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[539]) ).

thf(541,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(542,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(543,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(544,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(545,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(546,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(547,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(548,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(549,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(550,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(551,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(552,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(553,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_intersection2 @ A @ B @ C )
            = ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(554,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(555,plain,
    ( ( ! [A: $i] :
          ( ( ( topological_space @ A )
            & ( top_str @ A ) )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
              & ( closed_subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(556,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(557,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(558,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B )
              & ( finite @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(559,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(560,plain,
    ( ( ! [A: $i] :
          ( ( ( topological_space @ A )
            & ( top_str @ A ) )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
              & ( open_subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[62]) ).

thf(561,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[63]) ).

thf(562,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)],[74]) ).

thf(563,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[76]) ).

thf(564,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)],[77]) ).

thf(565,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[92]) ).

thf(566,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ~ ( empty @ ( cast_as_carrier_subset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[117]) ).

thf(567,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[125]) ).

thf(568,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[126]) ).

thf(569,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ~ ( empty @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[127]) ).

thf(570,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[137]) ).

thf(571,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[144]) ).

thf(572,plain,
    ( ( ? [A: $i] : ( one_sorted_str @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(573,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[152]) ).

thf(574,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ( element @ ( the_topology @ A ) @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(575,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2_as_subset @ C @ A @ B )
         => ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(576,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[156]) ).

thf(577,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[157]) ).

thf(578,plain,
    ( ( ! [A: $i] :
          ( ( join_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(579,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[160]) ).

thf(580,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(581,plain,
    ( ( ! [A: $i] :
          ( ( meet_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[162]) ).

thf(582,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[163]) ).

thf(583,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)],[165]) ).

thf(584,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)],[167]) ).

thf(585,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(586,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( top_str @ A )
            & ( element @ B @ ( powerset @ ( the_carrier @ A ) ) ) )
         => ( element @ ( topstr_closure @ A @ B ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[170]) ).

thf(587,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)],[171]) ).

thf(588,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(589,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2 @ C @ A @ B )
         => ( element @ ( relation_rng_as_subset @ A @ B @ C ) @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[173]) ).

thf(590,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[175]) ).

thf(591,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[176]) ).

thf(592,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[177]) ).

thf(593,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2 @ C @ A @ B )
         => ( element @ ( relation_dom_as_subset @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(594,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( meet_commutative @ A )
            & ( meet_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( meet_commut @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[180]) ).

thf(595,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[181]) ).

thf(596,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[182]) ).

thf(597,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(598,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[184]) ).

thf(599,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_commutative @ A )
            & ( join_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( join_commut @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(600,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[186]) ).

thf(601,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[187]) ).

thf(602,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[189]) ).

thf(603,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[190]) ).

thf(604,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[191]) ).

thf(605,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[192]) ).

thf(606,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[193]) ).

thf(607,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( meet_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( meet @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[194]) ).

thf(608,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[197]) ).

thf(609,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[198]) ).

thf(610,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[200]) ).

thf(611,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( top_str @ A )
            & ( element @ B @ ( powerset @ ( the_carrier @ A ) ) ) )
         => ( element @ ( interior @ A @ B ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[201]) ).

thf(612,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[202]) ).

thf(613,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[203]) ).

thf(614,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[204]) ).

thf(615,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( empty_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[205]) ).

thf(616,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[206]) ).

thf(617,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[207]) ).

thf(618,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( join @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(619,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[209]) ).

thf(620,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[210]) ).

thf(621,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[211]) ).

thf(622,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[212]) ).

thf(623,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)],[216]) ).

thf(624,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) )
             => ( ( is_a_cover_of_carrier @ A @ B )
              <=> ( ( cast_as_carrier_subset @ A )
                  = ( union_of_subsets @ ( the_carrier @ A ) @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[219]) ).

thf(625,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[222]) ).

thf(626,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[232]) ).

thf(627,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[250]) ).

thf(628,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_semilatt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ ( the_carrier @ A ) )
                 => ( ( below @ A @ B @ C )
                  <=> ( ( join @ A @ B @ C )
                      = C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[252]) ).

thf(629,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)],[257]) ).

thf(630,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( empty_carrier_subset @ A )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[259]) ).

thf(631,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[263]) ).

thf(632,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[264]) ).

thf(633,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( empty_carrier @ A )
          <=> ( empty @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[269]) ).

thf(634,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( A != empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) ) ) ) )
          & ( ( A = empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ( B = empty_set ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[270]) ).

thf(635,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2_as_subset @ C @ A @ B )
         => ( ( ( ( B = empty_set )
               => ( A = empty_set ) )
             => ( ( quasi_total @ C @ A @ B )
              <=> ( A
                  = ( relation_dom_as_subset @ A @ B @ C ) ) ) )
            & ( ( B = empty_set )
             => ( ( A = empty_set )
                | ( ( quasi_total @ C @ A @ B )
                <=> ( C = empty_set ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[278]) ).

thf(636,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)],[295]) ).

thf(637,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( meet_commutative @ A )
            & ( meet_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( ( meet_commut @ A @ B @ C )
            = ( meet_commut @ A @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[296]) ).

thf(638,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_commutative @ A )
            & ( join_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( ( join_commut @ A @ B @ C )
            = ( join_commut @ A @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[298]) ).

thf(639,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( finite @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[309]) ).

thf(640,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) )
         => ( relation @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[312]) ).

thf(641,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( epsilon_transitive @ B )
                & ( epsilon_connected @ B )
                & ( ordinal @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[319]) ).

thf(642,plain,
    ( ( ! [A: $i] :
          ( ( v3_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B )
                & ( v3_membered @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[321]) ).

thf(643,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[322]) ).

thf(644,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[323]) ).

thf(645,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( v1_xcmplx_0 @ B )
                & ( v1_xreal_0 @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[328]) ).

thf(646,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( v1_xcmplx_0 @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[329]) ).

thf(647,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[334]) ).

thf(648,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( relation_dom @ A )
              = empty_set )
          <=> ( ( relation_rng @ A )
              = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[359]) ).

thf(649,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( ( relation_dom @ A )
                = empty_set )
              | ( ( relation_rng @ A )
                = empty_set ) )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[360]) ).

thf(650,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[364]) ).

thf(651,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[368]) ).

thf(652,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)],[372]) ).

thf(653,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)],[377]) ).

thf(654,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( subset @ B @ ( topstr_closure @ A @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[383]) ).

thf(655,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ~ ( ( B != empty_set )
              & ( ( complements_of_subsets @ A @ B )
                = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[387]) ).

thf(656,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( subset @ ( interior @ A @ B ) @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[394]) ).

thf(657,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ ( powerset @ A ) )
             => ( ( disjoint @ B @ C )
              <=> ( subset @ B @ ( subset_complement @ A @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[397]) ).

thf(658,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[401]) ).

thf(659,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[405]) ).

thf(660,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[410]) ).

thf(661,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[424]) ).

thf(662,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_commutative @ A )
            & ( join_semilatt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ ( the_carrier @ A ) )
                 => ( ( ( below @ A @ B @ C )
                      & ( below @ A @ C @ B ) )
                   => ( B = C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[431]) ).

thf(663,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ B ) )
                = B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[445]) ).

thf(664,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[454]) ).

thf(665,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
             => ~ ( ( B != empty_set )
                  & ! [C: $i] :
                      ~ ( ( in @ C @ B )
                        & ! [D: $i] :
                            ( ( ( in @ D @ B )
                              & ( subset @ C @ D ) )
                           => ( D = C ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[459]) ).

thf(666,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( ( subset_complement @ ( the_carrier @ A ) @ B )
                = ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[462]) ).

thf(667,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( ( subset_intersection2 @ ( the_carrier @ A ) @ B @ ( cast_as_carrier_subset @ A ) )
                = B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[471]) ).

thf(668,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( in @ A @ B )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( subset @ D @ C ) )
             => ( in @ D @ B ) )
          & ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ ( powerset @ C ) @ B ) )
          & ! [C: $i] :
              ~ ( ( subset @ C @ B )
                & ~ ( are_equipotent @ C @ B )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[483]) ).

thf(669,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[486]) ).

thf(670,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[519]) ).

thf(671,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[522]) ).

thf(672,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 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[524]) ).

thf(673,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[527]) ).

thf(674,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[528]) ).

thf(675,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[536]) ).

thf(676,plain,
    ( ( ( ~ ( empty_carrier @ sK1_A )
        & ( one_sorted_str @ sK1_A ) )
     => ! [SY218: $i] :
          ( ( element @ SY218 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
         => ~ ( ( is_a_cover_of_carrier @ sK1_A @ SY218 )
              & ( SY218 = empty_set ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[540]) ).

thf(677,plain,
    ( ( ~ ( empty_carrier @ sK1_A ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[676]) ).

thf(678,plain,
    ( ( one_sorted_str @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[676]) ).

thf(679,plain,
    ( ( ! [SY218: $i] :
          ( ( element @ SY218 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
         => ~ ( ( is_a_cover_of_carrier @ sK1_A @ SY218 )
              & ( SY218 = empty_set ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[676]) ).

thf(680,plain,
    ( ( ~ ! [SY218: $i] :
            ( ( element @ SY218 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
           => ~ ( ( is_a_cover_of_carrier @ sK1_A @ SY218 )
                & ( SY218 = empty_set ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[679]) ).

thf(681,plain,
    ( ( ! [A: $i] :
          ( ( singleton @ A )
         != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[675]) ).

thf(682,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[674]) ).

thf(683,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[673]) ).

thf(684,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 ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[672]) ).

thf(685,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[671]) ).

thf(686,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[670]) ).

thf(687,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[669]) ).

thf(688,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( in @ A @ B )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( subset @ D @ C ) )
             => ( in @ D @ B ) )
          & ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ ( powerset @ C ) @ B ) )
          & ! [C: $i] :
              ~ ( ( subset @ C @ B )
                & ~ ( are_equipotent @ C @ B )
                & ~ ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[668]) ).

thf(689,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( ( subset_intersection2 @ ( the_carrier @ A ) @ B @ ( cast_as_carrier_subset @ A ) )
                = B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[667]) ).

thf(690,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( ( subset_complement @ ( the_carrier @ A ) @ B )
                = ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[666]) ).

thf(691,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
             => ~ ( ( B != empty_set )
                  & ! [C: $i] :
                      ~ ( ( in @ C @ B )
                        & ! [D: $i] :
                            ( ( ( in @ D @ B )
                              & ( subset @ C @ D ) )
                           => ( D = C ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[665]) ).

thf(692,plain,
    ( ( ( powerset @ empty_set )
      = ( singleton @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[664]) ).

thf(693,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ ( subset_difference @ ( the_carrier @ A ) @ ( cast_as_carrier_subset @ A ) @ B ) )
                = B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[663]) ).

thf(694,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_commutative @ A )
            & ( join_semilatt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ ( the_carrier @ A ) )
                 => ( ( ( below @ A @ B @ C )
                      & ( below @ A @ C @ B ) )
                   => ( B = C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[662]) ).

thf(695,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[661]) ).

thf(696,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_difference @ A @ B )
            = empty_set )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[660]) ).

thf(697,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[659]) ).

thf(698,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[658]) ).

thf(699,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ ( powerset @ A ) )
             => ( ( disjoint @ B @ C )
              <=> ( subset @ B @ ( subset_complement @ A @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[657]) ).

thf(700,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( subset @ ( interior @ A @ B ) @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[656]) ).

thf(701,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ~ ( ( B != empty_set )
              & ( ( complements_of_subsets @ A @ B )
                = empty_set ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[655]) ).

thf(702,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
             => ( subset @ B @ ( topstr_closure @ A @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[654]) ).

thf(703,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)],[653]) ).

thf(704,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)],[652]) ).

thf(705,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ! [B: $i,C: $i] :
                ~ ( in @ ( ordered_pair @ B @ C ) @ A )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[651]) ).

thf(706,plain,
    ( ( ( ( relation_dom @ empty_set )
        = empty_set )
      & ( ( relation_rng @ empty_set )
        = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[650]) ).

thf(707,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( ( relation_dom @ A )
                = empty_set )
              | ( ( relation_rng @ A )
                = empty_set ) )
           => ( A = empty_set ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[649]) ).

thf(708,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ( ( ( relation_dom @ A )
              = empty_set )
          <=> ( ( relation_rng @ A )
              = empty_set ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[648]) ).

thf(709,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[647]) ).

thf(710,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( v1_xcmplx_0 @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[646]) ).

thf(711,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( v1_xcmplx_0 @ B )
                & ( v1_xreal_0 @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[645]) ).

thf(712,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[644]) ).

thf(713,plain,
    ( ( ! [A: $i] :
          ( ( v2_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[643]) ).

thf(714,plain,
    ( ( ! [A: $i] :
          ( ( v3_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( ( v1_membered @ B )
                & ( v2_membered @ B )
                & ( v3_membered @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[642]) ).

thf(715,plain,
    ( ( ! [A: $i] :
          ( ( ordinal @ A )
         => ! [B: $i] :
              ( ( element @ B @ A )
             => ( ( epsilon_transitive @ B )
                & ( epsilon_connected @ B )
                & ( ordinal @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[641]) ).

thf(716,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) )
         => ( relation @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[640]) ).

thf(717,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( finite @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[639]) ).

thf(718,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_commutative @ A )
            & ( join_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( ( join_commut @ A @ B @ C )
            = ( join_commut @ A @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[638]) ).

thf(719,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( meet_commutative @ A )
            & ( meet_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( ( meet_commut @ A @ B @ C )
            = ( meet_commut @ A @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[637]) ).

thf(720,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)],[636]) ).

thf(721,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2_as_subset @ C @ A @ B )
         => ( ( ( ( B = empty_set )
               => ( A = empty_set ) )
             => ( ( quasi_total @ C @ A @ B )
              <=> ( A
                  = ( relation_dom_as_subset @ A @ B @ C ) ) ) )
            & ( ( B = empty_set )
             => ( ( A = empty_set )
                | ( ( quasi_total @ C @ A @ B )
                <=> ( C = empty_set ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[635]) ).

thf(722,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( A != empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) ) ) ) )
          & ( ( A = empty_set )
           => ( ( B
                = ( set_meet @ A ) )
            <=> ( B = empty_set ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[634]) ).

thf(723,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( empty_carrier @ A )
          <=> ( empty @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[633]) ).

thf(724,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[632]) ).

thf(725,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( powerset @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( subset @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[631]) ).

thf(726,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( empty_carrier_subset @ A )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[630]) ).

thf(727,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)],[629]) ).

thf(728,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_semilatt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ A ) )
             => ! [C: $i] :
                  ( ( element @ C @ ( the_carrier @ A ) )
                 => ( ( below @ A @ B @ C )
                  <=> ( ( join @ A @ B @ C )
                      = C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[628]) ).

thf(729,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[627]) ).

thf(730,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[626]) ).

thf(731,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[625]) ).

thf(732,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) )
             => ( ( is_a_cover_of_carrier @ A @ B )
              <=> ( ( cast_as_carrier_subset @ A )
                  = ( union_of_subsets @ ( the_carrier @ A ) @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[624]) ).

thf(733,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)],[623]) ).

thf(734,plain,
    $true = $true,
    inference(copy,[status(thm)],[622]) ).

thf(735,plain,
    $true = $true,
    inference(copy,[status(thm)],[621]) ).

thf(736,plain,
    $true = $true,
    inference(copy,[status(thm)],[620]) ).

thf(737,plain,
    $true = $true,
    inference(copy,[status(thm)],[619]) ).

thf(738,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( join @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[618]) ).

thf(739,plain,
    $true = $true,
    inference(copy,[status(thm)],[617]) ).

thf(740,plain,
    $true = $true,
    inference(copy,[status(thm)],[616]) ).

thf(741,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( empty_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[615]) ).

thf(742,plain,
    $true = $true,
    inference(copy,[status(thm)],[614]) ).

thf(743,plain,
    $true = $true,
    inference(copy,[status(thm)],[613]) ).

thf(744,plain,
    $true = $true,
    inference(copy,[status(thm)],[612]) ).

thf(745,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( top_str @ A )
            & ( element @ B @ ( powerset @ ( the_carrier @ A ) ) ) )
         => ( element @ ( interior @ A @ B ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[611]) ).

thf(746,plain,
    $true = $true,
    inference(copy,[status(thm)],[610]) ).

thf(747,plain,
    $true = $true,
    inference(copy,[status(thm)],[609]) ).

thf(748,plain,
    $true = $true,
    inference(copy,[status(thm)],[608]) ).

thf(749,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( meet_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( meet @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[607]) ).

thf(750,plain,
    $true = $true,
    inference(copy,[status(thm)],[606]) ).

thf(751,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[605]) ).

thf(752,plain,
    $true = $true,
    inference(copy,[status(thm)],[604]) ).

thf(753,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[603]) ).

thf(754,plain,
    $true = $true,
    inference(copy,[status(thm)],[602]) ).

thf(755,plain,
    $true = $true,
    inference(copy,[status(thm)],[601]) ).

thf(756,plain,
    $true = $true,
    inference(copy,[status(thm)],[600]) ).

thf(757,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( join_commutative @ A )
            & ( join_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( join_commut @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[599]) ).

thf(758,plain,
    $true = $true,
    inference(copy,[status(thm)],[598]) ).

thf(759,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[597]) ).

thf(760,plain,
    $true = $true,
    inference(copy,[status(thm)],[596]) ).

thf(761,plain,
    $true = $true,
    inference(copy,[status(thm)],[595]) ).

thf(762,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( meet_commutative @ A )
            & ( meet_semilatt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) )
            & ( element @ C @ ( the_carrier @ A ) ) )
         => ( element @ ( meet_commut @ A @ B @ C ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[594]) ).

thf(763,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2 @ C @ A @ B )
         => ( element @ ( relation_dom_as_subset @ A @ B @ C ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[593]) ).

thf(764,plain,
    $true = $true,
    inference(copy,[status(thm)],[592]) ).

thf(765,plain,
    $true = $true,
    inference(copy,[status(thm)],[591]) ).

thf(766,plain,
    $true = $true,
    inference(copy,[status(thm)],[590]) ).

thf(767,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2 @ C @ A @ B )
         => ( element @ ( relation_rng_as_subset @ A @ B @ C ) @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[589]) ).

thf(768,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[588]) ).

thf(769,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)],[587]) ).

thf(770,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( top_str @ A )
            & ( element @ B @ ( powerset @ ( the_carrier @ A ) ) ) )
         => ( element @ ( topstr_closure @ A @ B ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[586]) ).

thf(771,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[585]) ).

thf(772,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)],[584]) ).

thf(773,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[583]) ).

thf(774,plain,
    $true = $true,
    inference(copy,[status(thm)],[582]) ).

thf(775,plain,
    ( ( ! [A: $i] :
          ( ( meet_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[581]) ).

thf(776,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[580]) ).

thf(777,plain,
    $true = $true,
    inference(copy,[status(thm)],[579]) ).

thf(778,plain,
    ( ( ! [A: $i] :
          ( ( join_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[578]) ).

thf(779,plain,
    $true = $true,
    inference(copy,[status(thm)],[577]) ).

thf(780,plain,
    $true = $true,
    inference(copy,[status(thm)],[576]) ).

thf(781,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation_of2_as_subset @ C @ A @ B )
         => ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[575]) ).

thf(782,plain,
    ( ( ! [A: $i] :
          ( ( top_str @ A )
         => ( element @ ( the_topology @ A ) @ ( powerset @ ( powerset @ ( the_carrier @ A ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[574]) ).

thf(783,plain,
    $true = $true,
    inference(copy,[status(thm)],[573]) ).

thf(784,plain,
    ( ( ? [A: $i] : ( one_sorted_str @ A ) )
    = $true ),
    inference(copy,[status(thm)],[572]) ).

thf(785,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(copy,[status(thm)],[571]) ).

thf(786,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set )
      & ( relation_empty_yielding @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[570]) ).

thf(787,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ~ ( empty @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[569]) ).

thf(788,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[568]) ).

thf(789,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[567]) ).

thf(790,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( one_sorted_str @ A ) )
         => ~ ( empty @ ( cast_as_carrier_subset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[566]) ).

thf(791,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[565]) ).

thf(792,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)],[564]) ).

thf(793,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[563]) ).

thf(794,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)],[562]) ).

thf(795,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[561]) ).

thf(796,plain,
    ( ( ! [A: $i] :
          ( ( ( topological_space @ A )
            & ( top_str @ A ) )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
              & ( open_subset @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[560]) ).

thf(797,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[559]) ).

thf(798,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B )
              & ( finite @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[558]) ).

thf(799,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[557]) ).

thf(800,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)],[556]) ).

thf(801,plain,
    ( ( ! [A: $i] :
          ( ( ( topological_space @ A )
            & ( top_str @ A ) )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ ( the_carrier @ A ) ) )
              & ( closed_subset @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[555]) ).

thf(802,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( union_of_subsets @ A @ B )
            = ( union @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[554]) ).

thf(803,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_intersection2 @ A @ B @ C )
            = ( set_intersection2 @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[553]) ).

thf(804,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( ( meet_of_subsets @ A @ B )
            = ( set_meet @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[552]) ).

thf(805,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( element @ B @ ( powerset @ A ) )
            & ( element @ C @ ( powerset @ A ) ) )
         => ( ( subset_difference @ A @ B @ C )
            = ( set_difference @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[551]) ).

thf(806,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[550]) ).

thf(807,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[549]) ).

thf(808,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ empty_set )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[548]) ).

thf(809,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[547]) ).

thf(810,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[546]) ).

thf(811,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[545]) ).

thf(812,plain,
    ( ( ! [A: $i] :
          ( ( set_difference @ empty_set @ A )
          = empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[544]) ).

thf(813,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[543]) ).

thf(814,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ~ ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) )
            & ( empty @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[542]) ).

thf(815,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[541]) ).

thf(816,plain,
    ( ( one_sorted_str @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[678]) ).

thf(817,plain,
    ( ( ~ ( empty_carrier @ sK1_A ) )
    = $true ),
    inference(copy,[status(thm)],[677]) ).

thf(818,plain,
    ( ( ~ ! [SY218: $i] :
            ( ( element @ SY218 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
           => ~ ( ( is_a_cover_of_carrier @ sK1_A @ SY218 )
                & ( SY218 = empty_set ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[680]) ).

thf(819,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( meet_of_subsets @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[771]) ).

thf(820,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v3_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ~ ( ~ ~ ( ~ ( v1_membered @ SX1 )
                        | ~ ( v2_membered @ SX1 ) )
                  | ~ ( v3_membered @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[714]) ).

thf(821,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( ( SX0 != empty_set ) )
                | ~ ( ~ ( ( SX1
                         != ( set_meet @ SX0 ) )
                        | ! [SX2: $i] :
                            ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                                  | ! [SX3: $i] :
                                      ( ~ ( in @ SX3 @ SX0 )
                                      | ( in @ SX2 @ SX3 ) ) )
                              | ~ ( ~ ! [SX3: $i] :
                                        ( ~ ( in @ SX3 @ SX0 )
                                        | ( in @ SX2 @ SX3 ) )
                                  | ( in @ SX2 @ SX1 ) ) ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                                    | ! [SX3: $i] :
                                        ( ~ ( in @ SX3 @ SX0 )
                                        | ( in @ SX2 @ SX3 ) ) )
                                | ~ ( ~ ! [SX3: $i] :
                                          ( ~ ( in @ SX3 @ SX0 )
                                          | ( in @ SX2 @ SX3 ) )
                                    | ( in @ SX2 @ SX1 ) ) )
                        | ( SX1
                          = ( set_meet @ SX0 ) ) ) ) )
            | ~ ( ( SX0 != empty_set )
                | ~ ( ~ ( ( SX1
                         != ( set_meet @ SX0 ) )
                        | ( SX1 = empty_set ) )
                    | ~ ( ( SX1 != empty_set )
                        | ( SX1
                          = ( set_meet @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[722]) ).

thf(822,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( meet_semilatt_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[775]) ).

thf(823,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( top_str @ SX0 )
                | ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) ) )
          | ( element @ ( topstr_closure @ SX0 @ SX1 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[770]) ).

thf(824,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)],[769]) ).

thf(825,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v2_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ~ ( ~ ( v1_xcmplx_0 @ SX1 )
                  | ~ ( v1_xreal_0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[711]) ).

thf(826,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                                  | ~ ( join_commutative @ SX0 ) )
                            | ~ ( join_semilatt_str @ SX0 ) )
                      | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
                | ~ ( element @ SX2 @ ( the_carrier @ SX0 ) ) )
          | ( ( join_commut @ SX0 @ SX1 @ SX2 )
            = ( join_commut @ SX0 @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[718]) ).

thf(827,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)],[704]) ).

thf(828,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ( topological_space @ SX0 )
                | ~ ( top_str @ SX0 ) )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
                    | ~ ( open_subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[796]) ).

thf(829,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation_of2 @ SX2 @ SX0 @ SX1 )
          | ( element @ ( relation_dom_as_subset @ SX0 @ SX1 @ SX2 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[763]) ).

thf(830,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( top_str @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
              | ( subset @ ( interior @ SX0 @ SX1 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[700]) ).

thf(831,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                | ~ ( element @ SX2 @ ( powerset @ SX0 ) ) )
          | ( ( subset_difference @ SX0 @ SX1 @ SX2 )
            = ( set_difference @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[805]) ).

thf(832,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ( ( ( relation_dom @ SX0 )
                   != empty_set )
                  | ( ( relation_rng @ SX0 )
                    = empty_set ) )
              | ~ ( ( ( relation_rng @ SX0 )
                   != empty_set )
                  | ( ( relation_dom @ SX0 )
                    = empty_set ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[708]) ).

thf(833,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ! [SX1: $i,SX2: $i] :
                ~ ( in @ ( ordered_pair @ SX1 @ SX2 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[705]) ).

thf(834,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[815]) ).

thf(835,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( element @ ( cast_as_carrier_subset @ SX0 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[751]) ).

thf(836,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX1 )
              | ( in @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[683]) ).

thf(837,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                | ~ ( one_sorted_str @ SX0 ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
              | ! [SX2: $i] :
                  ( ~ ( element @ SX2 @ ( the_carrier @ SX0 ) )
                  | ~ ( ~ ( ~ ( in @ SX2 @ ( subset_complement @ ( the_carrier @ SX0 ) @ SX1 ) )
                          | ~ ( in @ SX2 @ SX1 ) )
                      | ~ ( ~ ~ ( in @ SX2 @ SX1 )
                          | ( in @ SX2 @ ( subset_complement @ ( the_carrier @ SX0 ) @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[684]) ).

thf(838,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( disjoint @ SX0 @ SX1 )
                | ( ( set_intersection2 @ SX0 @ SX1 )
                  = empty_set ) )
            | ~ ( ( ( set_intersection2 @ SX0 @ SX1 )
                 != empty_set )
                | ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[731]) ).

thf(839,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( ( set_difference @ SX0 @ SX1 )
                 != empty_set )
                | ( subset @ SX0 @ SX1 ) )
            | ~ ( ~ ( subset @ SX0 @ SX1 )
                | ( ( set_difference @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[682]) ).

thf(840,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( union_of_subsets @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[768]) ).

thf(841,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
            | ~ ~ ( ~ ( is_a_cover_of_carrier @ sK1_A @ SX0 )
                  | ( SX0 != empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[818]) ).

thf(842,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                      | ~ ( join_commutative @ SX0 ) )
                | ~ ( join_semilatt_str @ SX0 ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( the_carrier @ SX0 ) )
              | ! [SX2: $i] :
                  ( ~ ( element @ SX2 @ ( the_carrier @ SX0 ) )
                  | ~ ~ ( ~ ( below @ SX0 @ SX1 @ SX2 )
                        | ~ ( below @ SX0 @ SX2 @ SX1 ) )
                  | ( SX1 = SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[694]) ).

thf(843,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( empty_carrier_subset @ SX0 )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[726]) ).

thf(844,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( empty @ SX0 )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ~ ~ ( empty @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[795]) ).

thf(845,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)],[811]) ).

thf(846,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( top_str @ SX0 )
                | ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) ) )
          | ( element @ ( interior @ SX0 @ SX1 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[745]) ).

thf(847,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( top_str @ SX0 )
          | ( element @ ( the_topology @ SX0 ) @ ( powerset @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[782]) ).

thf(848,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ~ ( ~ ( ~ ( empty_carrier @ SX0 )
                  | ( empty @ ( the_carrier @ SX0 ) ) )
              | ~ ( ~ ( empty @ ( the_carrier @ SX0 ) )
                  | ( empty_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[723]) ).

thf(849,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( ( union_of_subsets @ SX0 @ SX1 )
            = ( union @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[802]) ).

thf(850,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v2_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ~ ( ~ ( v1_membered @ SX1 )
                  | ~ ( v2_membered @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[713]) ).

thf(851,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)],[724]) ).

thf(852,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ( topological_space @ SX0 )
                | ~ ( top_str @ SX0 ) )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
                    | ~ ( closed_subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[801]) ).

thf(853,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
              | ( ( subset_difference @ ( the_carrier @ SX0 ) @ ( cast_as_carrier_subset @ SX0 ) @ ( subset_difference @ ( the_carrier @ SX0 ) @ ( cast_as_carrier_subset @ SX0 ) @ SX1 ) )
                = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[693]) ).

thf(854,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)],[725]) ).

thf(855,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( empty @ SX0 )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                          | ~ ~ ( empty @ SX1 ) )
                    | ~ ( finite @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[798]) ).

thf(856,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v1_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ( v1_membered @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[712]) ).

thf(857,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ! [SX2: $i] :
              ( ~ ( element @ SX2 @ ( powerset @ SX0 ) )
              | ~ ( ~ ( ~ ( disjoint @ SX1 @ SX2 )
                      | ( subset @ SX1 @ ( subset_complement @ SX0 @ SX2 ) ) )
                  | ~ ( ~ ( subset @ SX1 @ ( subset_complement @ SX0 @ SX2 ) )
                      | ( disjoint @ SX1 @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[699]) ).

thf(858,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ordinal @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ~ ( ~ ~ ( ~ ( epsilon_transitive @ SX1 )
                        | ~ ( epsilon_connected @ SX1 ) )
                  | ~ ( ordinal @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[715]) ).

thf(859,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)],[703]) ).

thf(860,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ( element @ SX1 @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[785]) ).

thf(861,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation_of2_as_subset @ SX2 @ SX0 @ SX1 )
          | ~ ( ~ ( ~ ( ( SX1 != empty_set )
                      | ( SX0 = empty_set ) )
                  | ~ ( ~ ( ~ ( quasi_total @ SX2 @ SX0 @ SX1 )
                          | ( SX0
                            = ( relation_dom_as_subset @ SX0 @ SX1 @ SX2 ) ) )
                      | ~ ( ( SX0
                           != ( relation_dom_as_subset @ SX0 @ SX1 @ SX2 ) )
                          | ( quasi_total @ SX2 @ SX0 @ SX1 ) ) ) )
              | ~ ( ( SX1 != empty_set )
                  | ( SX0 = empty_set )
                  | ~ ( ~ ( ~ ( quasi_total @ SX2 @ SX0 @ SX1 )
                          | ( SX2 = empty_set ) )
                      | ~ ( ( SX2 != empty_set )
                          | ( quasi_total @ SX2 @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[721]) ).

thf(862,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
          | ( element @ SX0 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[813]) ).

thf(863,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( ( subset_complement @ SX0 @ SX1 )
            = ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[730]) ).

thf(864,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)],[792]) ).

thf(865,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v1_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ SX0 )
              | ( v1_xcmplx_0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[710]) ).

thf(866,plain,
    ( ( ~ ( ~ ~ ( ~ ( empty @ empty_set )
                | ~ ( relation @ empty_set ) )
          | ~ ( relation_empty_yielding @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[786]) ).

thf(867,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)],[720]) ).

thf(868,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( one_sorted_str @ SX0 )
                | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[799]) ).

thf(869,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( join_semilatt_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[778]) ).

thf(870,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( element @ SX2 @ ( powerset @ ( cartesian_product2 @ SX0 @ SX1 ) ) )
          | ( relation @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[716]) ).

thf(871,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( cast_as_carrier_subset @ SX0 )
            = ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[687]) ).

thf(872,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = empty_set )
                | ( SX0
                  = ( singleton @ SX1 ) ) )
            | ~ ( ~ ( ( SX0 = empty_set )
                    | ( SX0
                      = ( singleton @ SX1 ) ) )
                | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[697]) ).

thf(873,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX0 @ SX1 )
          | ( empty @ SX1 )
          | ( in @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[809]) ).

thf(874,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( subset @ SX0 @ empty_set )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[698]) ).

thf(875,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)],[773]) ).

thf(876,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                                  | ~ ( meet_commutative @ SX0 ) )
                            | ~ ( meet_semilatt_str @ SX0 ) )
                      | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
                | ~ ( element @ SX2 @ ( the_carrier @ SX0 ) ) )
          | ( ( meet_commut @ SX0 @ SX1 @ SX2 )
            = ( meet_commut @ SX0 @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[719]) ).

thf(877,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)],[794]) ).

thf(878,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( ( set_difference @ SX0 @ SX1 )
                 != empty_set )
                | ( subset @ SX0 @ SX1 ) )
            | ~ ( ~ ( subset @ SX0 @ SX1 )
                | ( ( set_difference @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[696]) ).

thf(879,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)],[772]) ).

thf(880,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ ( the_carrier @ SX0 ) ) ) )
              | ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SX0 @ SX1 )
                      | ( ( cast_as_carrier_subset @ SX0 )
                        = ( union_of_subsets @ ( the_carrier @ SX0 ) @ SX1 ) ) )
                  | ~ ( ( ( cast_as_carrier_subset @ SX0 )
                       != ( union_of_subsets @ ( the_carrier @ SX0 ) @ SX1 ) )
                      | ( is_a_cover_of_carrier @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[732]) ).

thf(881,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                              | ~ ! [SX2: $i,SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX2 @ SX1 )
                                          | ~ ( subset @ SX3 @ SX2 ) )
                                    | ( in @ SX3 @ SX1 ) ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ( in @ ( powerset @ SX2 ) @ SX1 ) ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SX1 )
                                  | ~ ~ ( are_equipotent @ SX2 @ SX1 ) )
                            | ~ ~ ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[688]) ).

thf(882,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ~ ~ ( ~ ( ( SX1 != empty_set ) )
                | ( ( complements_of_subsets @ SX0 @ SX1 )
                 != empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[701]) ).

thf(883,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( element @ ( empty_carrier_subset @ SX0 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[741]) ).

thf(884,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( top_str @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
              | ( subset @ SX1 @ ( topstr_closure @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[702]) ).

thf(885,plain,
    ( ( ~ ( ( ( relation_dom @ empty_set )
           != empty_set )
          | ( ( relation_rng @ empty_set )
           != empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[706]) ).

thf(886,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( element @ ( subset_complement @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[759]) ).

thf(887,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( ( subset_complement @ SX0 @ ( subset_complement @ SX0 @ SX1 ) )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[793]) ).

thf(888,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( finite @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ( finite @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[717]) ).

thf(889,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                                  | ~ ( join_commutative @ SX0 ) )
                            | ~ ( join_semilatt_str @ SX0 ) )
                      | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
                | ~ ( element @ SX2 @ ( the_carrier @ SX0 ) ) )
          | ( element @ ( join_commut @ SX0 @ SX1 @ SX2 ) @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[757]) ).

thf(890,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                | ~ ( element @ SX2 @ ( powerset @ SX0 ) ) )
          | ( ( subset_intersection2 @ SX0 @ SX1 @ SX2 )
            = ( set_intersection2 @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[803]) ).

thf(891,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ~ ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                    | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
              | ~ ( empty @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[814]) ).

thf(892,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
              | ( ( subset_complement @ ( the_carrier @ SX0 ) @ SX1 )
                = ( subset_difference @ ( the_carrier @ SX0 ) @ ( cast_as_carrier_subset @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[690]) ).

thf(893,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)],[733]) ).

thf(894,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                            | ~ ( meet_semilatt_str @ SX0 ) )
                      | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
                | ~ ( element @ SX2 @ ( the_carrier @ SX0 ) ) )
          | ( element @ ( meet @ SX0 @ SX1 @ SX2 ) @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[749]) ).

thf(895,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                  | ~ ( empty @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[797]) ).

thf(896,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ( one_sorted_str @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[784]) ).

thf(897,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)],[800]) ).

thf(898,plain,
    ( ( ! [SX0: $i] :
          ( ( singleton @ SX0 )
         != empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[681]) ).

thf(899,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                                  | ~ ( meet_commutative @ SX0 ) )
                            | ~ ( meet_semilatt_str @ SX0 ) )
                      | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
                | ~ ( element @ SX2 @ ( the_carrier @ SX0 ) ) )
          | ( element @ ( meet_commut @ SX0 @ SX1 @ SX2 ) @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[762]) ).

thf(900,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                            | ~ ( join_semilatt_str @ SX0 ) )
                      | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
                | ~ ( element @ SX2 @ ( the_carrier @ SX0 ) ) )
          | ( element @ ( join @ SX0 @ SX1 @ SX2 ) @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[738]) ).

thf(901,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = empty_set )
                | ( SX0
                  = ( singleton @ SX1 ) ) )
            | ~ ( ~ ( ( SX0 = empty_set )
                    | ( SX0
                      = ( singleton @ SX1 ) ) )
                | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[685]) ).

thf(902,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                | ~ ( join_semilatt_str @ SX0 ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( the_carrier @ SX0 ) )
              | ! [SX2: $i] :
                  ( ~ ( element @ SX2 @ ( the_carrier @ SX0 ) )
                  | ~ ( ~ ( ~ ( below @ SX0 @ SX1 @ SX2 )
                          | ( ( join @ SX0 @ SX1 @ SX2 )
                            = SX2 ) )
                      | ~ ( ( ( join @ SX0 @ SX1 @ SX2 )
                           != SX2 )
                          | ( below @ SX0 @ SX1 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[728]) ).

thf(903,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( cast_as_carrier_subset @ SX0 )
            = ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[729]) ).

thf(904,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ( ( relation_dom @ SX0 )
                = empty_set )
              | ( ( relation_rng @ SX0 )
                = empty_set ) )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[707]) ).

thf(905,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( element @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[807]) ).

thf(906,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( the_carrier @ SX0 ) ) )
              | ( ( subset_intersection2 @ ( the_carrier @ SX0 ) @ SX1 @ ( cast_as_carrier_subset @ SX0 ) )
                = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[689]) ).

thf(907,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)],[727]) ).

thf(908,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( ( meet_of_subsets @ SX0 @ SX1 )
            = ( set_meet @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[804]) ).

thf(909,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                | ~ ( one_sorted_str @ SX0 ) )
          | ~ ( empty @ ( cast_as_carrier_subset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[790]) ).

thf(910,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                | ~ ( one_sorted_str @ SX0 ) )
          | ~ ( empty @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[787]) ).

thf(911,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[686]) ).

thf(912,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( top_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[776]) ).

thf(913,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation_of2 @ SX2 @ SX0 @ SX1 )
          | ( element @ ( relation_rng_as_subset @ SX0 @ SX1 @ SX2 ) @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[767]) ).

thf(914,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( relation_of2_as_subset @ SX2 @ SX0 @ SX1 )
          | ( element @ SX2 @ ( powerset @ ( cartesian_product2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[781]) ).

thf(915,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( finite @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
              | ~ ~ ( ~ ( ( SX1 != empty_set ) )
                    | ~ ! [SX2: $i] :
                          ~ ~ ( ~ ( in @ SX2 @ SX1 )
                              | ~ ! [SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX3 @ SX1 )
                                          | ~ ( subset @ SX2 @ SX3 ) )
                                    | ( SX3 = SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[691]) ).

thf(916,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[791]) ).

thf(917,plain,
    ! [SV1: $i] :
      ( ( subset @ empty_set @ SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[695]) ).

thf(918,plain,
    ! [SV2: $i] :
      ( ( ( union @ ( powerset @ SV2 ) )
        = SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[709]) ).

thf(919,plain,
    ! [SV3: $i] :
      ( ( element @ ( cast_to_subset @ SV3 ) @ ( powerset @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[753]) ).

thf(920,plain,
    ! [SV4: $i] :
      ( ( ~ ( empty @ ( powerset @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[788]) ).

thf(921,plain,
    ! [SV5: $i] :
      ( ( ( set_union2 @ SV5 @ empty_set )
        = SV5 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[806]) ).

thf(922,plain,
    ! [SV6: $i] :
      ( ( ( set_intersection2 @ SV6 @ empty_set )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[808]) ).

thf(923,plain,
    ! [SV7: $i] :
      ( ( ( set_difference @ SV7 @ empty_set )
        = SV7 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[810]) ).

thf(924,plain,
    ! [SV8: $i] :
      ( ( ( set_difference @ empty_set @ SV8 )
        = empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[812]) ).

thf(925,plain,
    ( ( empty_carrier @ sK1_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[817]) ).

thf(926,plain,
    ! [SV9: $i] :
      ( ( ! [SY219: $i] :
            ( ~ ( element @ SY219 @ ( powerset @ ( powerset @ SV9 ) ) )
            | ( element @ ( meet_of_subsets @ SV9 @ SY219 ) @ ( powerset @ SV9 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[819]) ).

thf(927,plain,
    ! [SV10: $i] :
      ( ( ~ ( v3_membered @ SV10 )
        | ! [SY220: $i] :
            ( ~ ( element @ SY220 @ ( powerset @ SV10 ) )
            | ~ ( ~ ~ ( ~ ( v1_membered @ SY220 )
                      | ~ ( v2_membered @ SY220 ) )
                | ~ ( v3_membered @ SY220 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[820]) ).

thf(928,plain,
    ! [SV11: $i] :
      ( ( ! [SY221: $i] :
            ~ ( ~ ( ~ ( ( SV11 != empty_set ) )
                  | ~ ( ~ ( ( SY221
                           != ( set_meet @ SV11 ) )
                          | ! [SY222: $i] :
                              ~ ( ~ ( ~ ( in @ SY222 @ SY221 )
                                    | ! [SY223: $i] :
                                        ( ~ ( in @ SY223 @ SV11 )
                                        | ( in @ SY222 @ SY223 ) ) )
                                | ~ ( ~ ! [SY224: $i] :
                                          ( ~ ( in @ SY224 @ SV11 )
                                          | ( in @ SY222 @ SY224 ) )
                                    | ( in @ SY222 @ SY221 ) ) ) )
                      | ~ ( ~ ! [SY225: $i] :
                                ~ ( ~ ( ~ ( in @ SY225 @ SY221 )
                                      | ! [SY226: $i] :
                                          ( ~ ( in @ SY226 @ SV11 )
                                          | ( in @ SY225 @ SY226 ) ) )
                                  | ~ ( ~ ! [SY227: $i] :
                                            ( ~ ( in @ SY227 @ SV11 )
                                            | ( in @ SY225 @ SY227 ) )
                                      | ( in @ SY225 @ SY221 ) ) )
                          | ( SY221
                            = ( set_meet @ SV11 ) ) ) ) )
              | ~ ( ( SV11 != empty_set )
                  | ~ ( ~ ( ( SY221
                           != ( set_meet @ SV11 ) )
                          | ( SY221 = empty_set ) )
                      | ~ ( ( SY221 != empty_set )
                          | ( SY221
                            = ( set_meet @ SV11 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[821]) ).

thf(929,plain,
    ! [SV12: $i] :
      ( ( ~ ( meet_semilatt_str @ SV12 )
        | ( one_sorted_str @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[822]) ).

thf(930,plain,
    ! [SV13: $i] :
      ( ( ! [SY228: $i] :
            ( ~ ~ ( ~ ( top_str @ SV13 )
                  | ~ ( element @ SY228 @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
            | ( element @ ( topstr_closure @ SV13 @ SY228 ) @ ( powerset @ ( the_carrier @ SV13 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[823]) ).

thf(931,plain,
    ! [SV14: $i] :
      ( ( ! [SY229: $i,SY230: $i] :
            ( ~ ~ ( ~ ( element @ SY229 @ ( powerset @ SV14 ) )
                  | ~ ( element @ SY230 @ ( powerset @ SV14 ) ) )
            | ( element @ ( subset_intersection2 @ SV14 @ SY229 @ SY230 ) @ ( powerset @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[824]) ).

thf(932,plain,
    ! [SV15: $i] :
      ( ( ~ ( v2_membered @ SV15 )
        | ! [SY231: $i] :
            ( ~ ( element @ SY231 @ SV15 )
            | ~ ( ~ ( v1_xcmplx_0 @ SY231 )
                | ~ ( v1_xreal_0 @ SY231 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[825]) ).

thf(933,plain,
    ! [SV16: $i] :
      ( ( ! [SY232: $i,SY233: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                                    | ~ ( join_commutative @ SV16 ) )
                              | ~ ( join_semilatt_str @ SV16 ) )
                        | ~ ( element @ SY232 @ ( the_carrier @ SV16 ) ) )
                  | ~ ( element @ SY233 @ ( the_carrier @ SV16 ) ) )
            | ( ( join_commut @ SV16 @ SY232 @ SY233 )
              = ( join_commut @ SV16 @ SY233 @ SY232 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[826]) ).

thf(934,plain,
    ! [SV17: $i] :
      ( ( ! [SY234: $i,SY235: $i] :
            ( ~ ( element @ SY235 @ ( powerset @ SV17 ) )
            | ~ ~ ( ~ ( in @ SY234 @ ( subset_complement @ SV17 @ SY235 ) )
                  | ~ ( in @ SY234 @ SY235 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[827]) ).

thf(935,plain,
    ! [SV18: $i] :
      ( ( ~ ~ ( ~ ( topological_space @ SV18 )
              | ~ ( top_str @ SV18 ) )
        | ~ ! [SY236: $i] :
              ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                  | ~ ( open_subset @ SY236 @ SV18 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[828]) ).

thf(936,plain,
    ! [SV19: $i] :
      ( ( ! [SY237: $i,SY238: $i] :
            ( ~ ( relation_of2 @ SY238 @ SV19 @ SY237 )
            | ( element @ ( relation_dom_as_subset @ SV19 @ SY237 @ SY238 ) @ ( powerset @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[829]) ).

thf(937,plain,
    ! [SV20: $i] :
      ( ( ~ ( top_str @ SV20 )
        | ! [SY239: $i] :
            ( ~ ( element @ SY239 @ ( powerset @ ( the_carrier @ SV20 ) ) )
            | ( subset @ ( interior @ SV20 @ SY239 ) @ SY239 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[830]) ).

thf(938,plain,
    ! [SV21: $i] :
      ( ( ! [SY240: $i,SY241: $i] :
            ( ~ ~ ( ~ ( element @ SY240 @ ( powerset @ SV21 ) )
                  | ~ ( element @ SY241 @ ( powerset @ SV21 ) ) )
            | ( ( subset_difference @ SV21 @ SY240 @ SY241 )
              = ( set_difference @ SY240 @ SY241 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[831]) ).

thf(939,plain,
    ! [SV22: $i] :
      ( ( ~ ( relation @ SV22 )
        | ~ ( ~ ( ( ( relation_dom @ SV22 )
                 != empty_set )
                | ( ( relation_rng @ SV22 )
                  = empty_set ) )
            | ~ ( ( ( relation_rng @ SV22 )
                 != empty_set )
                | ( ( relation_dom @ SV22 )
                  = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[832]) ).

thf(940,plain,
    ! [SV23: $i] :
      ( ( ~ ( relation @ SV23 )
        | ~ ! [SY242: $i,SY243: $i] :
              ~ ( in @ ( ordered_pair @ SY242 @ SY243 ) @ SV23 )
        | ( SV23 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[833]) ).

thf(941,plain,
    ! [SV24: $i] :
      ( ( ~ ( empty @ SV24 )
        | ( SV24 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[834]) ).

thf(942,plain,
    ! [SV25: $i] :
      ( ( ~ ( one_sorted_str @ SV25 )
        | ( element @ ( cast_as_carrier_subset @ SV25 ) @ ( powerset @ ( the_carrier @ SV25 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[835]) ).

thf(943,plain,
    ! [SV26: $i] :
      ( ( ! [SY244: $i] :
            ( ~ ( element @ SY244 @ ( powerset @ SV26 ) )
            | ! [SY245: $i] :
                ( ~ ( in @ SY245 @ SY244 )
                | ( in @ SY245 @ SV26 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[836]) ).

thf(944,plain,
    ! [SV27: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV27 )
              | ~ ( one_sorted_str @ SV27 ) )
        | ! [SY246: $i] :
            ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
            | ! [SY247: $i] :
                ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                        | ~ ( in @ SY247 @ SY246 ) )
                    | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                        | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[837]) ).

thf(945,plain,
    ! [SV28: $i] :
      ( ( ! [SY248: $i] :
            ~ ( ~ ( ~ ( disjoint @ SV28 @ SY248 )
                  | ( ( set_intersection2 @ SV28 @ SY248 )
                    = empty_set ) )
              | ~ ( ( ( set_intersection2 @ SV28 @ SY248 )
                   != empty_set )
                  | ( disjoint @ SV28 @ SY248 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[838]) ).

thf(946,plain,
    ! [SV29: $i] :
      ( ( ! [SY249: $i] :
            ~ ( ~ ( ( ( set_difference @ SV29 @ SY249 )
                   != empty_set )
                  | ( subset @ SV29 @ SY249 ) )
              | ~ ( ~ ( subset @ SV29 @ SY249 )
                  | ( ( set_difference @ SV29 @ SY249 )
                    = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[839]) ).

thf(947,plain,
    ! [SV30: $i] :
      ( ( ! [SY250: $i] :
            ( ~ ( element @ SY250 @ ( powerset @ ( powerset @ SV30 ) ) )
            | ( element @ ( union_of_subsets @ SV30 @ SY250 ) @ ( powerset @ SV30 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[840]) ).

thf(948,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
          | ~ ~ ( ~ ( is_a_cover_of_carrier @ sK1_A @ SX0 )
                | ( SX0 != empty_set ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[841]) ).

thf(949,plain,
    ! [SV31: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV31 )
                    | ~ ( join_commutative @ SV31 ) )
              | ~ ( join_semilatt_str @ SV31 ) )
        | ! [SY251: $i] :
            ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
            | ! [SY252: $i] :
                ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                      | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                | ( SY251 = SY252 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[842]) ).

thf(950,plain,
    ! [SV32: $i] :
      ( ( ~ ( one_sorted_str @ SV32 )
        | ( ( empty_carrier_subset @ SV32 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[843]) ).

thf(951,plain,
    ! [SV33: $i] :
      ( ( ~ ~ ( empty @ SV33 )
        | ~ ! [SY253: $i] :
              ~ ~ ( ~ ( element @ SY253 @ ( powerset @ SV33 ) )
                  | ~ ~ ( empty @ SY253 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[844]) ).

thf(952,plain,
    ! [SV34: $i] :
      ( ( ! [SY254: $i] :
            ~ ( ~ ( ~ ( element @ SV34 @ ( powerset @ SY254 ) )
                  | ( subset @ SV34 @ SY254 ) )
              | ~ ( ~ ( subset @ SV34 @ SY254 )
                  | ( element @ SV34 @ ( powerset @ SY254 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[845]) ).

thf(953,plain,
    ! [SV35: $i] :
      ( ( ! [SY255: $i] :
            ( ~ ~ ( ~ ( top_str @ SV35 )
                  | ~ ( element @ SY255 @ ( powerset @ ( the_carrier @ SV35 ) ) ) )
            | ( element @ ( interior @ SV35 @ SY255 ) @ ( powerset @ ( the_carrier @ SV35 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[846]) ).

thf(954,plain,
    ! [SV36: $i] :
      ( ( ~ ( top_str @ SV36 )
        | ( element @ ( the_topology @ SV36 ) @ ( powerset @ ( powerset @ ( the_carrier @ SV36 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[847]) ).

thf(955,plain,
    ! [SV37: $i] :
      ( ( ~ ( one_sorted_str @ SV37 )
        | ~ ( ~ ( ~ ( empty_carrier @ SV37 )
                | ( empty @ ( the_carrier @ SV37 ) ) )
            | ~ ( ~ ( empty @ ( the_carrier @ SV37 ) )
                | ( empty_carrier @ SV37 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[848]) ).

thf(956,plain,
    ! [SV38: $i] :
      ( ( ! [SY256: $i] :
            ( ~ ( element @ SY256 @ ( powerset @ ( powerset @ SV38 ) ) )
            | ( ( union_of_subsets @ SV38 @ SY256 )
              = ( union @ SY256 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[849]) ).

thf(957,plain,
    ! [SV39: $i] :
      ( ( ~ ( v2_membered @ SV39 )
        | ! [SY257: $i] :
            ( ~ ( element @ SY257 @ ( powerset @ SV39 ) )
            | ~ ( ~ ( v1_membered @ SY257 )
                | ~ ( v2_membered @ SY257 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[850]) ).

thf(958,plain,
    ! [SV40: $i] :
      ( ( ~ ( ~ ( ( SV40 != empty_set )
                | ! [SY258: $i] :
                    ~ ( in @ SY258 @ SV40 ) )
            | ~ ( ~ ! [SY259: $i] :
                      ~ ( in @ SY259 @ SV40 )
                | ( SV40 = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[851]) ).

thf(959,plain,
    ! [SV41: $i] :
      ( ( ~ ~ ( ~ ( topological_space @ SV41 )
              | ~ ( top_str @ SV41 ) )
        | ~ ! [SY260: $i] :
              ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                  | ~ ( closed_subset @ SY260 @ SV41 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[852]) ).

thf(960,plain,
    ! [SV42: $i] :
      ( ( ~ ( one_sorted_str @ SV42 )
        | ! [SY261: $i] :
            ( ~ ( element @ SY261 @ ( powerset @ ( the_carrier @ SV42 ) ) )
            | ( ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ SY261 ) )
              = SY261 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[853]) ).

thf(961,plain,
    ! [SV43: $i] :
      ( ( ! [SY262: $i] :
            ~ ( ~ ( ( SY262
                   != ( powerset @ SV43 ) )
                  | ! [SY263: $i] :
                      ~ ( ~ ( ~ ( in @ SY263 @ SY262 )
                            | ( subset @ SY263 @ SV43 ) )
                        | ~ ( ~ ( subset @ SY263 @ SV43 )
                            | ( in @ SY263 @ SY262 ) ) ) )
              | ~ ( ~ ! [SY264: $i] :
                        ~ ( ~ ( ~ ( in @ SY264 @ SY262 )
                              | ( subset @ SY264 @ SV43 ) )
                          | ~ ( ~ ( subset @ SY264 @ SV43 )
                              | ( in @ SY264 @ SY262 ) ) )
                  | ( SY262
                    = ( powerset @ SV43 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[854]) ).

thf(962,plain,
    ! [SV44: $i] :
      ( ( ~ ~ ( empty @ SV44 )
        | ~ ! [SY265: $i] :
              ~ ~ ( ~ ~ ( ~ ( element @ SY265 @ ( powerset @ SV44 ) )
                        | ~ ~ ( empty @ SY265 ) )
                  | ~ ( finite @ SY265 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[855]) ).

thf(963,plain,
    ! [SV45: $i] :
      ( ( ~ ( v1_membered @ SV45 )
        | ! [SY266: $i] :
            ( ~ ( element @ SY266 @ ( powerset @ SV45 ) )
            | ( v1_membered @ SY266 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[856]) ).

thf(964,plain,
    ! [SV46: $i] :
      ( ( ! [SY267: $i] :
            ( ~ ( element @ SY267 @ ( powerset @ SV46 ) )
            | ! [SY268: $i] :
                ( ~ ( element @ SY268 @ ( powerset @ SV46 ) )
                | ~ ( ~ ( ~ ( disjoint @ SY267 @ SY268 )
                        | ( subset @ SY267 @ ( subset_complement @ SV46 @ SY268 ) ) )
                    | ~ ( ~ ( subset @ SY267 @ ( subset_complement @ SV46 @ SY268 ) )
                        | ( disjoint @ SY267 @ SY268 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[857]) ).

thf(965,plain,
    ! [SV47: $i] :
      ( ( ~ ( ordinal @ SV47 )
        | ! [SY269: $i] :
            ( ~ ( element @ SY269 @ SV47 )
            | ~ ( ~ ~ ( ~ ( epsilon_transitive @ SY269 )
                      | ~ ( epsilon_connected @ SY269 ) )
                | ~ ( ordinal @ SY269 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[858]) ).

thf(966,plain,
    ! [SV48: $i] :
      ( ( ~ ( ( SV48 != empty_set ) )
        | ! [SY270: $i] :
            ( ~ ( element @ SY270 @ ( powerset @ SV48 ) )
            | ! [SY271: $i] :
                ( ~ ( element @ SY271 @ SV48 )
                | ~ ~ ( in @ SY271 @ SY270 )
                | ( in @ SY271 @ ( subset_complement @ SV48 @ SY270 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[859]) ).

thf(967,plain,
    ! [SV49: $i] :
      ( ( ~ ! [SY272: $i] :
              ~ ( element @ SY272 @ SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[860]) ).

thf(968,plain,
    ! [SV50: $i] :
      ( ( ! [SY273: $i,SY274: $i] :
            ( ~ ( relation_of2_as_subset @ SY274 @ SV50 @ SY273 )
            | ~ ( ~ ( ~ ( ( SY273 != empty_set )
                        | ( SV50 = empty_set ) )
                    | ~ ( ~ ( ~ ( quasi_total @ SY274 @ SV50 @ SY273 )
                            | ( SV50
                              = ( relation_dom_as_subset @ SV50 @ SY273 @ SY274 ) ) )
                        | ~ ( ( SV50
                             != ( relation_dom_as_subset @ SV50 @ SY273 @ SY274 ) )
                            | ( quasi_total @ SY274 @ SV50 @ SY273 ) ) ) )
                | ~ ( ( SY273 != empty_set )
                    | ( SV50 = empty_set )
                    | ~ ( ~ ( ~ ( quasi_total @ SY274 @ SV50 @ SY273 )
                            | ( SY274 = empty_set ) )
                        | ~ ( ( SY274 != empty_set )
                            | ( quasi_total @ SY274 @ SV50 @ SY273 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[861]) ).

thf(969,plain,
    ! [SV51: $i] :
      ( ( ! [SY275: $i,SY276: $i] :
            ( ~ ~ ( ~ ( in @ SV51 @ SY275 )
                  | ~ ( element @ SY275 @ ( powerset @ SY276 ) ) )
            | ( element @ SV51 @ SY276 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[862]) ).

thf(970,plain,
    ! [SV52: $i] :
      ( ( ! [SY277: $i] :
            ( ~ ( element @ SY277 @ ( powerset @ SV52 ) )
            | ( ( subset_complement @ SV52 @ SY277 )
              = ( set_difference @ SV52 @ SY277 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[863]) ).

thf(971,plain,
    ! [SV53: $i] :
      ( ( ! [SY278: $i,SY279: $i] :
            ( ~ ~ ( ~ ( element @ SY278 @ ( powerset @ SV53 ) )
                  | ~ ( element @ SY279 @ ( powerset @ SV53 ) ) )
            | ( ( subset_intersection2 @ SV53 @ SY278 @ SY278 )
              = SY278 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[864]) ).

thf(972,plain,
    ! [SV54: $i] :
      ( ( ~ ( v1_membered @ SV54 )
        | ! [SY280: $i] :
            ( ~ ( element @ SY280 @ SV54 )
            | ( v1_xcmplx_0 @ SY280 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[865]) ).

thf(973,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) )
      | ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[866]) ).

thf(974,plain,
    ! [SV55: $i] :
      ( ( ! [SY281: $i,SY282: $i] :
            ( ~ ~ ( ~ ( element @ SY281 @ ( powerset @ SV55 ) )
                  | ~ ( element @ SY282 @ ( powerset @ SV55 ) ) )
            | ( ( subset_intersection2 @ SV55 @ SY281 @ SY282 )
              = ( subset_intersection2 @ SV55 @ SY282 @ SY281 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[867]) ).

thf(975,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( one_sorted_str @ SX0 )
              | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[868]) ).

thf(976,plain,
    ! [SV56: $i] :
      ( ( ~ ( join_semilatt_str @ SV56 )
        | ( one_sorted_str @ SV56 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[869]) ).

thf(977,plain,
    ! [SV57: $i] :
      ( ( ! [SY283: $i,SY284: $i] :
            ( ~ ( element @ SY284 @ ( powerset @ ( cartesian_product2 @ SV57 @ SY283 ) ) )
            | ( relation @ SY284 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[870]) ).

thf(978,plain,
    ! [SV58: $i] :
      ( ( ~ ( one_sorted_str @ SV58 )
        | ( ( cast_as_carrier_subset @ SV58 )
          = ( the_carrier @ SV58 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[871]) ).

thf(979,plain,
    ! [SV59: $i] :
      ( ( ! [SY285: $i] :
            ~ ( ~ ( ~ ( subset @ SV59 @ ( singleton @ SY285 ) )
                  | ( SV59 = empty_set )
                  | ( SV59
                    = ( singleton @ SY285 ) ) )
              | ~ ( ~ ( ( SV59 = empty_set )
                      | ( SV59
                        = ( singleton @ SY285 ) ) )
                  | ( subset @ SV59 @ ( singleton @ SY285 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[872]) ).

thf(980,plain,
    ! [SV60: $i] :
      ( ( ! [SY286: $i] :
            ( ~ ( element @ SV60 @ SY286 )
            | ( empty @ SY286 )
            | ( in @ SV60 @ SY286 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[873]) ).

thf(981,plain,
    ! [SV61: $i] :
      ( ( ~ ( subset @ SV61 @ empty_set )
        | ( SV61 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[874]) ).

thf(982,plain,
    ! [SV62: $i] :
      ( ( ! [SY287: $i] :
            ( ~ ( element @ SY287 @ ( powerset @ ( powerset @ SV62 ) ) )
            | ( element @ ( complements_of_subsets @ SV62 @ SY287 ) @ ( powerset @ ( powerset @ SV62 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[875]) ).

thf(983,plain,
    ! [SV63: $i] :
      ( ( ! [SY288: $i,SY289: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                                    | ~ ( meet_commutative @ SV63 ) )
                              | ~ ( meet_semilatt_str @ SV63 ) )
                        | ~ ( element @ SY288 @ ( the_carrier @ SV63 ) ) )
                  | ~ ( element @ SY289 @ ( the_carrier @ SV63 ) ) )
            | ( ( meet_commut @ SV63 @ SY288 @ SY289 )
              = ( meet_commut @ SV63 @ SY289 @ SY288 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[876]) ).

thf(984,plain,
    ! [SV64: $i] :
      ( ( ! [SY290: $i] :
            ( ~ ( element @ SY290 @ ( powerset @ ( powerset @ SV64 ) ) )
            | ( ( complements_of_subsets @ SV64 @ ( complements_of_subsets @ SV64 @ SY290 ) )
              = SY290 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[877]) ).

thf(985,plain,
    ! [SV65: $i] :
      ( ( ! [SY291: $i] :
            ~ ( ~ ( ( ( set_difference @ SV65 @ SY291 )
                   != empty_set )
                  | ( subset @ SV65 @ SY291 ) )
              | ~ ( ~ ( subset @ SV65 @ SY291 )
                  | ( ( set_difference @ SV65 @ SY291 )
                    = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[878]) ).

thf(986,plain,
    ! [SV66: $i] :
      ( ( ! [SY292: $i,SY293: $i] :
            ( ~ ~ ( ~ ( element @ SY292 @ ( powerset @ SV66 ) )
                  | ~ ( element @ SY293 @ ( powerset @ SV66 ) ) )
            | ( element @ ( subset_difference @ SV66 @ SY292 @ SY293 ) @ ( powerset @ SV66 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[879]) ).

thf(987,plain,
    ! [SV67: $i] :
      ( ( ~ ( one_sorted_str @ SV67 )
        | ! [SY294: $i] :
            ( ~ ( element @ SY294 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
            | ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SY294 )
                    | ( ( cast_as_carrier_subset @ SV67 )
                      = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SY294 ) ) )
                | ~ ( ( ( cast_as_carrier_subset @ SV67 )
                     != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SY294 ) )
                    | ( is_a_cover_of_carrier @ SV67 @ SY294 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[880]) ).

thf(988,plain,
    ! [SV68: $i] :
      ( ( ~ ! [SY295: $i] :
              ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV68 @ SY295 )
                              | ~ ! [SX2: $i,SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX2 @ SY295 )
                                          | ~ ( subset @ SX3 @ SX2 ) )
                                    | ( in @ SX3 @ SY295 ) ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SY295 )
                              | ( in @ ( powerset @ SX2 ) @ SY295 ) ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SY295 )
                                  | ~ ~ ( are_equipotent @ SX2 @ SY295 ) )
                            | ~ ~ ( in @ SX2 @ SY295 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[881]) ).

thf(989,plain,
    ! [SV69: $i] :
      ( ( ! [SY300: $i] :
            ( ~ ( element @ SY300 @ ( powerset @ ( powerset @ SV69 ) ) )
            | ~ ~ ( ~ ( ( SY300 != empty_set ) )
                  | ( ( complements_of_subsets @ SV69 @ SY300 )
                   != empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[882]) ).

thf(990,plain,
    ! [SV70: $i] :
      ( ( ~ ( one_sorted_str @ SV70 )
        | ( element @ ( empty_carrier_subset @ SV70 ) @ ( powerset @ ( the_carrier @ SV70 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[883]) ).

thf(991,plain,
    ! [SV71: $i] :
      ( ( ~ ( top_str @ SV71 )
        | ! [SY301: $i] :
            ( ~ ( element @ SY301 @ ( powerset @ ( the_carrier @ SV71 ) ) )
            | ( subset @ SY301 @ ( topstr_closure @ SV71 @ SY301 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[884]) ).

thf(992,plain,
    ( ( ( ( relation_dom @ empty_set )
       != empty_set )
      | ( ( relation_rng @ empty_set )
       != empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[885]) ).

thf(993,plain,
    ! [SV72: $i] :
      ( ( ! [SY302: $i] :
            ( ~ ( element @ SY302 @ ( powerset @ SV72 ) )
            | ( element @ ( subset_complement @ SV72 @ SY302 ) @ ( powerset @ SV72 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[886]) ).

thf(994,plain,
    ! [SV73: $i] :
      ( ( ! [SY303: $i] :
            ( ~ ( element @ SY303 @ ( powerset @ SV73 ) )
            | ( ( subset_complement @ SV73 @ ( subset_complement @ SV73 @ SY303 ) )
              = SY303 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[887]) ).

thf(995,plain,
    ! [SV74: $i] :
      ( ( ~ ( finite @ SV74 )
        | ! [SY304: $i] :
            ( ~ ( element @ SY304 @ ( powerset @ SV74 ) )
            | ( finite @ SY304 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[888]) ).

thf(996,plain,
    ! [SV75: $i] :
      ( ( ! [SY305: $i,SY306: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                                    | ~ ( join_commutative @ SV75 ) )
                              | ~ ( join_semilatt_str @ SV75 ) )
                        | ~ ( element @ SY305 @ ( the_carrier @ SV75 ) ) )
                  | ~ ( element @ SY306 @ ( the_carrier @ SV75 ) ) )
            | ( element @ ( join_commut @ SV75 @ SY305 @ SY306 ) @ ( the_carrier @ SV75 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[889]) ).

thf(997,plain,
    ! [SV76: $i] :
      ( ( ! [SY307: $i,SY308: $i] :
            ( ~ ~ ( ~ ( element @ SY307 @ ( powerset @ SV76 ) )
                  | ~ ( element @ SY308 @ ( powerset @ SV76 ) ) )
            | ( ( subset_intersection2 @ SV76 @ SY307 @ SY308 )
              = ( set_intersection2 @ SY307 @ SY308 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[890]) ).

thf(998,plain,
    ! [SV77: $i] :
      ( ( ! [SY309: $i,SY310: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV77 @ SY309 )
                      | ~ ( element @ SY309 @ ( powerset @ SY310 ) ) )
                | ~ ( empty @ SY310 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[891]) ).

thf(999,plain,
    ! [SV78: $i] :
      ( ( ~ ( one_sorted_str @ SV78 )
        | ! [SY311: $i] :
            ( ~ ( element @ SY311 @ ( powerset @ ( the_carrier @ SV78 ) ) )
            | ( ( subset_complement @ ( the_carrier @ SV78 ) @ SY311 )
              = ( subset_difference @ ( the_carrier @ SV78 ) @ ( cast_as_carrier_subset @ SV78 ) @ SY311 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[892]) ).

thf(1000,plain,
    ! [SV79: $i] :
      ( ( ! [SY312: $i] :
            ( ~ ( element @ SY312 @ ( powerset @ ( powerset @ SV79 ) ) )
            | ! [SY313: $i] :
                ( ~ ( element @ SY313 @ ( powerset @ ( powerset @ SV79 ) ) )
                | ~ ( ~ ( ( SY313
                         != ( complements_of_subsets @ SV79 @ SY312 ) )
                        | ! [SY314: $i] :
                            ( ~ ( element @ SY314 @ ( powerset @ SV79 ) )
                            | ~ ( ~ ( ~ ( in @ SY314 @ SY313 )
                                    | ( in @ ( subset_complement @ SV79 @ SY314 ) @ SY312 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY314 ) @ SY312 )
                                    | ( in @ SY314 @ SY313 ) ) ) ) )
                    | ~ ( ~ ! [SY315: $i] :
                              ( ~ ( element @ SY315 @ ( powerset @ SV79 ) )
                              | ~ ( ~ ( ~ ( in @ SY315 @ SY313 )
                                      | ( in @ ( subset_complement @ SV79 @ SY315 ) @ SY312 ) )
                                  | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY315 ) @ SY312 )
                                      | ( in @ SY315 @ SY313 ) ) ) )
                        | ( SY313
                          = ( complements_of_subsets @ SV79 @ SY312 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[893]) ).

thf(1001,plain,
    ! [SV80: $i] :
      ( ( ! [SY316: $i,SY317: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                              | ~ ( meet_semilatt_str @ SV80 ) )
                        | ~ ( element @ SY316 @ ( the_carrier @ SV80 ) ) )
                  | ~ ( element @ SY317 @ ( the_carrier @ SV80 ) ) )
            | ( element @ ( meet @ SV80 @ SY316 @ SY317 ) @ ( the_carrier @ SV80 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[894]) ).

thf(1002,plain,
    ! [SV81: $i] :
      ( ( ~ ! [SY318: $i] :
              ~ ~ ( ~ ( element @ SY318 @ ( powerset @ SV81 ) )
                  | ~ ( empty @ SY318 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[895]) ).

thf(1003,plain,
    ( ( ! [SX0: $i] :
          ~ ( one_sorted_str @ SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[896]) ).

thf(1004,plain,
    ! [SV82: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV82 )
              | ~ ( one_sorted_str @ SV82 ) )
        | ~ ! [SY319: $i] :
              ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                  | ~ ~ ( empty @ SY319 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[897]) ).

thf(1005,plain,
    ! [SV83: $i] :
      ( ( ( singleton @ SV83 )
       != empty_set )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[898]) ).

thf(1006,plain,
    ! [SV84: $i] :
      ( ( ! [SY320: $i,SY321: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                                    | ~ ( meet_commutative @ SV84 ) )
                              | ~ ( meet_semilatt_str @ SV84 ) )
                        | ~ ( element @ SY320 @ ( the_carrier @ SV84 ) ) )
                  | ~ ( element @ SY321 @ ( the_carrier @ SV84 ) ) )
            | ( element @ ( meet_commut @ SV84 @ SY320 @ SY321 ) @ ( the_carrier @ SV84 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[899]) ).

thf(1007,plain,
    ! [SV85: $i] :
      ( ( ! [SY322: $i,SY323: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                              | ~ ( join_semilatt_str @ SV85 ) )
                        | ~ ( element @ SY322 @ ( the_carrier @ SV85 ) ) )
                  | ~ ( element @ SY323 @ ( the_carrier @ SV85 ) ) )
            | ( element @ ( join @ SV85 @ SY322 @ SY323 ) @ ( the_carrier @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[900]) ).

thf(1008,plain,
    ! [SV86: $i] :
      ( ( ! [SY324: $i] :
            ~ ( ~ ( ~ ( subset @ SV86 @ ( singleton @ SY324 ) )
                  | ( SV86 = empty_set )
                  | ( SV86
                    = ( singleton @ SY324 ) ) )
              | ~ ( ~ ( ( SV86 = empty_set )
                      | ( SV86
                        = ( singleton @ SY324 ) ) )
                  | ( subset @ SV86 @ ( singleton @ SY324 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[901]) ).

thf(1009,plain,
    ! [SV87: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV87 )
              | ~ ( join_semilatt_str @ SV87 ) )
        | ! [SY325: $i] :
            ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
            | ! [SY326: $i] :
                ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                        | ( ( join @ SV87 @ SY325 @ SY326 )
                          = SY326 ) )
                    | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                         != SY326 )
                        | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[902]) ).

thf(1010,plain,
    ! [SV88: $i] :
      ( ( ~ ( one_sorted_str @ SV88 )
        | ( ( cast_as_carrier_subset @ SV88 )
          = ( the_carrier @ SV88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[903]) ).

thf(1011,plain,
    ! [SV89: $i] :
      ( ( ~ ( relation @ SV89 )
        | ~ ( ( ( relation_dom @ SV89 )
              = empty_set )
            | ( ( relation_rng @ SV89 )
              = empty_set ) )
        | ( SV89 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[904]) ).

thf(1012,plain,
    ! [SV90: $i] :
      ( ( ! [SY327: $i] :
            ( ~ ( in @ SV90 @ SY327 )
            | ( element @ SV90 @ SY327 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[905]) ).

thf(1013,plain,
    ! [SV91: $i] :
      ( ( ~ ( one_sorted_str @ SV91 )
        | ! [SY328: $i] :
            ( ~ ( element @ SY328 @ ( powerset @ ( the_carrier @ SV91 ) ) )
            | ( ( subset_intersection2 @ ( the_carrier @ SV91 ) @ SY328 @ ( cast_as_carrier_subset @ SV91 ) )
              = SY328 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[906]) ).

thf(1014,plain,
    ! [SV92: $i] :
      ( ( ! [SY329: $i] :
            ~ ( ~ ( ~ ~ ( empty @ SV92 )
                  | ~ ( ~ ( ~ ( element @ SY329 @ SV92 )
                          | ( in @ SY329 @ SV92 ) )
                      | ~ ( ~ ( in @ SY329 @ SV92 )
                          | ( element @ SY329 @ SV92 ) ) ) )
              | ~ ( ~ ( empty @ SV92 )
                  | ~ ( ~ ( ~ ( element @ SY329 @ SV92 )
                          | ( empty @ SY329 ) )
                      | ~ ( ~ ( empty @ SY329 )
                          | ( element @ SY329 @ SV92 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[907]) ).

thf(1015,plain,
    ! [SV93: $i] :
      ( ( ! [SY330: $i] :
            ( ~ ( element @ SY330 @ ( powerset @ ( powerset @ SV93 ) ) )
            | ( ( meet_of_subsets @ SV93 @ SY330 )
              = ( set_meet @ SY330 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[908]) ).

thf(1016,plain,
    ! [SV94: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV94 )
              | ~ ( one_sorted_str @ SV94 ) )
        | ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[909]) ).

thf(1017,plain,
    ! [SV95: $i] :
      ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV95 )
              | ~ ( one_sorted_str @ SV95 ) )
        | ~ ( empty @ ( the_carrier @ SV95 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[910]) ).

thf(1018,plain,
    ! [SV96: $i] :
      ( ( ! [SY331: $i] :
            ( ~ ! [SY332: $i] :
                  ( ~ ( in @ SY332 @ SV96 )
                  | ( in @ SY332 @ SY331 ) )
            | ( element @ SV96 @ ( powerset @ SY331 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[911]) ).

thf(1019,plain,
    ! [SV97: $i] :
      ( ( ~ ( top_str @ SV97 )
        | ( one_sorted_str @ SV97 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[912]) ).

thf(1020,plain,
    ! [SV98: $i] :
      ( ( ! [SY333: $i,SY334: $i] :
            ( ~ ( relation_of2 @ SY334 @ SV98 @ SY333 )
            | ( element @ ( relation_rng_as_subset @ SV98 @ SY333 @ SY334 ) @ ( powerset @ SY333 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[913]) ).

thf(1021,plain,
    ! [SV99: $i] :
      ( ( ! [SY335: $i,SY336: $i] :
            ( ~ ( relation_of2_as_subset @ SY336 @ SV99 @ SY335 )
            | ( element @ SY336 @ ( powerset @ ( cartesian_product2 @ SV99 @ SY335 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[914]) ).

thf(1022,plain,
    ! [SV100: $i] :
      ( ( ~ ( finite @ SV100 )
        | ! [SY337: $i] :
            ( ~ ( element @ SY337 @ ( powerset @ ( powerset @ SV100 ) ) )
            | ~ ~ ( ~ ( ( SY337 != empty_set ) )
                  | ~ ! [SX2: $i] :
                        ~ ~ ( ~ ( in @ SX2 @ SY337 )
                            | ~ ! [SX3: $i] :
                                  ( ~ ~ ( ~ ( in @ SX3 @ SY337 )
                                        | ~ ( subset @ SX2 @ SX3 ) )
                                  | ( SX3 = SX2 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[915]) ).

thf(1023,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[916]) ).

thf(1024,plain,
    ! [SV4: $i] :
      ( ( empty @ ( powerset @ SV4 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[920]) ).

thf(1025,plain,
    ! [SV9: $i,SV101: $i] :
      ( ( ~ ( element @ SV101 @ ( powerset @ ( powerset @ SV9 ) ) )
        | ( element @ ( meet_of_subsets @ SV9 @ SV101 ) @ ( powerset @ SV9 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[926]) ).

thf(1026,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( v3_membered @ SV10 ) )
        = $true )
      | ( ( ! [SY220: $i] :
              ( ~ ( element @ SY220 @ ( powerset @ SV10 ) )
              | ~ ( ~ ~ ( ~ ( v1_membered @ SY220 )
                        | ~ ( v2_membered @ SY220 ) )
                  | ~ ( v3_membered @ SY220 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[927]) ).

thf(1027,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ~ ( ~ ( ~ ( ( SV11 != empty_set ) )
                | ~ ( ~ ( ( SV102
                         != ( set_meet @ SV11 ) )
                        | ! [SY340: $i] :
                            ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                                  | ! [SY223: $i] :
                                      ( ~ ( in @ SY223 @ SV11 )
                                      | ( in @ SY340 @ SY223 ) ) )
                              | ~ ( ~ ! [SY224: $i] :
                                        ( ~ ( in @ SY224 @ SV11 )
                                        | ( in @ SY340 @ SY224 ) )
                                  | ( in @ SY340 @ SV102 ) ) ) )
                    | ~ ( ~ ! [SY343: $i] :
                              ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                                    | ! [SY226: $i] :
                                        ( ~ ( in @ SY226 @ SV11 )
                                        | ( in @ SY343 @ SY226 ) ) )
                                | ~ ( ~ ! [SY227: $i] :
                                          ( ~ ( in @ SY227 @ SV11 )
                                          | ( in @ SY343 @ SY227 ) )
                                    | ( in @ SY343 @ SV102 ) ) )
                        | ( SV102
                          = ( set_meet @ SV11 ) ) ) ) )
            | ~ ( ( SV11 != empty_set )
                | ~ ( ~ ( ( SV102
                         != ( set_meet @ SV11 ) )
                        | ( SV102 = empty_set ) )
                    | ~ ( ( SV102 != empty_set )
                        | ( SV102
                          = ( set_meet @ SV11 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[928]) ).

thf(1028,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( meet_semilatt_str @ SV12 ) )
        = $true )
      | ( ( one_sorted_str @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[929]) ).

thf(1029,plain,
    ! [SV103: $i,SV13: $i] :
      ( ( ~ ~ ( ~ ( top_str @ SV13 )
              | ~ ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
        | ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[930]) ).

thf(1030,plain,
    ! [SV14: $i,SV104: $i] :
      ( ( ! [SY346: $i] :
            ( ~ ~ ( ~ ( element @ SV104 @ ( powerset @ SV14 ) )
                  | ~ ( element @ SY346 @ ( powerset @ SV14 ) ) )
            | ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SY346 ) @ ( powerset @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[931]) ).

thf(1031,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( v2_membered @ SV15 ) )
        = $true )
      | ( ( ! [SY231: $i] :
              ( ~ ( element @ SY231 @ SV15 )
              | ~ ( ~ ( v1_xcmplx_0 @ SY231 )
                  | ~ ( v1_xreal_0 @ SY231 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[932]) ).

thf(1032,plain,
    ! [SV105: $i,SV16: $i] :
      ( ( ! [SY347: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                                    | ~ ( join_commutative @ SV16 ) )
                              | ~ ( join_semilatt_str @ SV16 ) )
                        | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
                  | ~ ( element @ SY347 @ ( the_carrier @ SV16 ) ) )
            | ( ( join_commut @ SV16 @ SV105 @ SY347 )
              = ( join_commut @ SV16 @ SY347 @ SV105 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[933]) ).

thf(1033,plain,
    ! [SV106: $i,SV17: $i] :
      ( ( ! [SY348: $i] :
            ( ~ ( element @ SY348 @ ( powerset @ SV17 ) )
            | ~ ~ ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SY348 ) )
                  | ~ ( in @ SV106 @ SY348 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[934]) ).

thf(1034,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ( topological_space @ SV18 )
                | ~ ( top_str @ SV18 ) ) )
        = $true )
      | ( ( ~ ! [SY236: $i] :
                ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                    | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[935]) ).

thf(1035,plain,
    ! [SV107: $i,SV19: $i] :
      ( ( ! [SY349: $i] :
            ( ~ ( relation_of2 @ SY349 @ SV19 @ SV107 )
            | ( element @ ( relation_dom_as_subset @ SV19 @ SV107 @ SY349 ) @ ( powerset @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[936]) ).

thf(1036,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( top_str @ SV20 ) )
        = $true )
      | ( ( ! [SY239: $i] :
              ( ~ ( element @ SY239 @ ( powerset @ ( the_carrier @ SV20 ) ) )
              | ( subset @ ( interior @ SV20 @ SY239 ) @ SY239 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[937]) ).

thf(1037,plain,
    ! [SV21: $i,SV108: $i] :
      ( ( ! [SY350: $i] :
            ( ~ ~ ( ~ ( element @ SV108 @ ( powerset @ SV21 ) )
                  | ~ ( element @ SY350 @ ( powerset @ SV21 ) ) )
            | ( ( subset_difference @ SV21 @ SV108 @ SY350 )
              = ( set_difference @ SV108 @ SY350 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[938]) ).

thf(1038,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( relation @ SV22 ) )
        = $true )
      | ( ( ~ ( ~ ( ( ( relation_dom @ SV22 )
                   != empty_set )
                  | ( ( relation_rng @ SV22 )
                    = empty_set ) )
              | ~ ( ( ( relation_rng @ SV22 )
                   != empty_set )
                  | ( ( relation_dom @ SV22 )
                    = empty_set ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[939]) ).

thf(1039,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( relation @ SV23 ) )
        = $true )
      | ( ( ~ ! [SY242: $i,SY243: $i] :
                ~ ( in @ ( ordered_pair @ SY242 @ SY243 ) @ SV23 )
          | ( SV23 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[940]) ).

thf(1040,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( empty @ SV24 ) )
        = $true )
      | ( ( SV24 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[941]) ).

thf(1041,plain,
    ! [SV25: $i] :
      ( ( ( ~ ( one_sorted_str @ SV25 ) )
        = $true )
      | ( ( element @ ( cast_as_carrier_subset @ SV25 ) @ ( powerset @ ( the_carrier @ SV25 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[942]) ).

thf(1042,plain,
    ! [SV26: $i,SV109: $i] :
      ( ( ~ ( element @ SV109 @ ( powerset @ SV26 ) )
        | ! [SY351: $i] :
            ( ~ ( in @ SY351 @ SV109 )
            | ( in @ SY351 @ SV26 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[943]) ).

thf(1043,plain,
    ! [SV27: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV27 )
                | ~ ( one_sorted_str @ SV27 ) ) )
        = $true )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[944]) ).

thf(1044,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ~ ( ~ ( ~ ( disjoint @ SV28 @ SV110 )
                | ( ( set_intersection2 @ SV28 @ SV110 )
                  = empty_set ) )
            | ~ ( ( ( set_intersection2 @ SV28 @ SV110 )
                 != empty_set )
                | ( disjoint @ SV28 @ SV110 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[945]) ).

thf(1045,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ~ ( ~ ( ( ( set_difference @ SV29 @ SV111 )
                 != empty_set )
                | ( subset @ SV29 @ SV111 ) )
            | ~ ( ~ ( subset @ SV29 @ SV111 )
                | ( ( set_difference @ SV29 @ SV111 )
                  = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[946]) ).

thf(1046,plain,
    ! [SV30: $i,SV112: $i] :
      ( ( ~ ( element @ SV112 @ ( powerset @ ( powerset @ SV30 ) ) )
        | ( element @ ( union_of_subsets @ SV30 @ SV112 ) @ ( powerset @ SV30 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[947]) ).

thf(1047,plain,
    ( ( ~ ( element @ sK2_SX0 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
      | ~ ~ ( ~ ( is_a_cover_of_carrier @ sK1_A @ sK2_SX0 )
            | ( sK2_SX0 != empty_set ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[948]) ).

thf(1048,plain,
    ! [SV31: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV31 )
                      | ~ ( join_commutative @ SV31 ) )
                | ~ ( join_semilatt_str @ SV31 ) ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[949]) ).

thf(1049,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( one_sorted_str @ SV32 ) )
        = $true )
      | ( ( ( empty_carrier_subset @ SV32 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[950]) ).

thf(1050,plain,
    ! [SV33: $i] :
      ( ( ( ~ ~ ( empty @ SV33 ) )
        = $true )
      | ( ( ~ ! [SY253: $i] :
                ~ ~ ( ~ ( element @ SY253 @ ( powerset @ SV33 ) )
                    | ~ ~ ( empty @ SY253 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[951]) ).

thf(1051,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ~ ( ~ ( ~ ( element @ SV34 @ ( powerset @ SV113 ) )
                | ( subset @ SV34 @ SV113 ) )
            | ~ ( ~ ( subset @ SV34 @ SV113 )
                | ( element @ SV34 @ ( powerset @ SV113 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[952]) ).

thf(1052,plain,
    ! [SV114: $i,SV35: $i] :
      ( ( ~ ~ ( ~ ( top_str @ SV35 )
              | ~ ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) ) )
        | ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[953]) ).

thf(1053,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( top_str @ SV36 ) )
        = $true )
      | ( ( element @ ( the_topology @ SV36 ) @ ( powerset @ ( powerset @ ( the_carrier @ SV36 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[954]) ).

thf(1054,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( one_sorted_str @ SV37 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( empty_carrier @ SV37 )
                  | ( empty @ ( the_carrier @ SV37 ) ) )
              | ~ ( ~ ( empty @ ( the_carrier @ SV37 ) )
                  | ( empty_carrier @ SV37 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[955]) ).

thf(1055,plain,
    ! [SV38: $i,SV115: $i] :
      ( ( ~ ( element @ SV115 @ ( powerset @ ( powerset @ SV38 ) ) )
        | ( ( union_of_subsets @ SV38 @ SV115 )
          = ( union @ SV115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[956]) ).

thf(1056,plain,
    ! [SV39: $i] :
      ( ( ( ~ ( v2_membered @ SV39 ) )
        = $true )
      | ( ( ! [SY257: $i] :
              ( ~ ( element @ SY257 @ ( powerset @ SV39 ) )
              | ~ ( ~ ( v1_membered @ SY257 )
                  | ~ ( v2_membered @ SY257 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[957]) ).

thf(1057,plain,
    ! [SV40: $i] :
      ( ( ~ ( ( SV40 != empty_set )
            | ! [SY258: $i] :
                ~ ( in @ SY258 @ SV40 ) )
        | ~ ( ~ ! [SY259: $i] :
                  ~ ( in @ SY259 @ SV40 )
            | ( SV40 = empty_set ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[958]) ).

thf(1058,plain,
    ! [SV41: $i] :
      ( ( ( ~ ~ ( ~ ( topological_space @ SV41 )
                | ~ ( top_str @ SV41 ) ) )
        = $true )
      | ( ( ~ ! [SY260: $i] :
                ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                    | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[959]) ).

thf(1059,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( one_sorted_str @ SV42 ) )
        = $true )
      | ( ( ! [SY261: $i] :
              ( ~ ( element @ SY261 @ ( powerset @ ( the_carrier @ SV42 ) ) )
              | ( ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ SY261 ) )
                = SY261 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[960]) ).

thf(1060,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ~ ( ~ ( ( SV116
                 != ( powerset @ SV43 ) )
                | ! [SY352: $i] :
                    ~ ( ~ ( ~ ( in @ SY352 @ SV116 )
                          | ( subset @ SY352 @ SV43 ) )
                      | ~ ( ~ ( subset @ SY352 @ SV43 )
                          | ( in @ SY352 @ SV116 ) ) ) )
            | ~ ( ~ ! [SY353: $i] :
                      ~ ( ~ ( ~ ( in @ SY353 @ SV116 )
                            | ( subset @ SY353 @ SV43 ) )
                        | ~ ( ~ ( subset @ SY353 @ SV43 )
                            | ( in @ SY353 @ SV116 ) ) )
                | ( SV116
                  = ( powerset @ SV43 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[961]) ).

thf(1061,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( empty @ SV44 ) )
        = $true )
      | ( ( ~ ! [SY265: $i] :
                ~ ~ ( ~ ~ ( ~ ( element @ SY265 @ ( powerset @ SV44 ) )
                          | ~ ~ ( empty @ SY265 ) )
                    | ~ ( finite @ SY265 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[962]) ).

thf(1062,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( v1_membered @ SV45 ) )
        = $true )
      | ( ( ! [SY266: $i] :
              ( ~ ( element @ SY266 @ ( powerset @ SV45 ) )
              | ( v1_membered @ SY266 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[963]) ).

thf(1063,plain,
    ! [SV46: $i,SV117: $i] :
      ( ( ~ ( element @ SV117 @ ( powerset @ SV46 ) )
        | ! [SY354: $i] :
            ( ~ ( element @ SY354 @ ( powerset @ SV46 ) )
            | ~ ( ~ ( ~ ( disjoint @ SV117 @ SY354 )
                    | ( subset @ SV117 @ ( subset_complement @ SV46 @ SY354 ) ) )
                | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SY354 ) )
                    | ( disjoint @ SV117 @ SY354 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[964]) ).

thf(1064,plain,
    ! [SV47: $i] :
      ( ( ( ~ ( ordinal @ SV47 ) )
        = $true )
      | ( ( ! [SY269: $i] :
              ( ~ ( element @ SY269 @ SV47 )
              | ~ ( ~ ~ ( ~ ( epsilon_transitive @ SY269 )
                        | ~ ( epsilon_connected @ SY269 ) )
                  | ~ ( ordinal @ SY269 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[965]) ).

thf(1065,plain,
    ! [SV48: $i] :
      ( ( ( ~ ( ( SV48 != empty_set ) ) )
        = $true )
      | ( ( ! [SY270: $i] :
              ( ~ ( element @ SY270 @ ( powerset @ SV48 ) )
              | ! [SY271: $i] :
                  ( ~ ( element @ SY271 @ SV48 )
                  | ~ ~ ( in @ SY271 @ SY270 )
                  | ( in @ SY271 @ ( subset_complement @ SV48 @ SY270 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[966]) ).

thf(1066,plain,
    ! [SV49: $i] :
      ( ( ! [SY272: $i] :
            ~ ( element @ SY272 @ SV49 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[967]) ).

thf(1067,plain,
    ! [SV118: $i,SV50: $i] :
      ( ( ! [SY355: $i] :
            ( ~ ( relation_of2_as_subset @ SY355 @ SV50 @ SV118 )
            | ~ ( ~ ( ~ ( ( SV118 != empty_set )
                        | ( SV50 = empty_set ) )
                    | ~ ( ~ ( ~ ( quasi_total @ SY355 @ SV50 @ SV118 )
                            | ( SV50
                              = ( relation_dom_as_subset @ SV50 @ SV118 @ SY355 ) ) )
                        | ~ ( ( SV50
                             != ( relation_dom_as_subset @ SV50 @ SV118 @ SY355 ) )
                            | ( quasi_total @ SY355 @ SV50 @ SV118 ) ) ) )
                | ~ ( ( SV118 != empty_set )
                    | ( SV50 = empty_set )
                    | ~ ( ~ ( ~ ( quasi_total @ SY355 @ SV50 @ SV118 )
                            | ( SY355 = empty_set ) )
                        | ~ ( ( SY355 != empty_set )
                            | ( quasi_total @ SY355 @ SV50 @ SV118 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[968]) ).

thf(1068,plain,
    ! [SV119: $i,SV51: $i] :
      ( ( ! [SY356: $i] :
            ( ~ ~ ( ~ ( in @ SV51 @ SV119 )
                  | ~ ( element @ SV119 @ ( powerset @ SY356 ) ) )
            | ( element @ SV51 @ SY356 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[969]) ).

thf(1069,plain,
    ! [SV52: $i,SV120: $i] :
      ( ( ~ ( element @ SV120 @ ( powerset @ SV52 ) )
        | ( ( subset_complement @ SV52 @ SV120 )
          = ( set_difference @ SV52 @ SV120 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[970]) ).

thf(1070,plain,
    ! [SV53: $i,SV121: $i] :
      ( ( ! [SY357: $i] :
            ( ~ ~ ( ~ ( element @ SV121 @ ( powerset @ SV53 ) )
                  | ~ ( element @ SY357 @ ( powerset @ SV53 ) ) )
            | ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
              = SV121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[971]) ).

thf(1071,plain,
    ! [SV54: $i] :
      ( ( ( ~ ( v1_membered @ SV54 ) )
        = $true )
      | ( ( ! [SY280: $i] :
              ( ~ ( element @ SY280 @ SV54 )
              | ( v1_xcmplx_0 @ SY280 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[972]) ).

thf(1072,plain,
    ( ( ~ ~ ( ~ ( empty @ empty_set )
            | ~ ( relation @ empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[973]) ).

thf(1073,plain,
    ( ( ~ ( relation_empty_yielding @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[973]) ).

thf(1074,plain,
    ! [SV55: $i,SV122: $i] :
      ( ( ! [SY358: $i] :
            ( ~ ~ ( ~ ( element @ SV122 @ ( powerset @ SV55 ) )
                  | ~ ( element @ SY358 @ ( powerset @ SV55 ) ) )
            | ( ( subset_intersection2 @ SV55 @ SV122 @ SY358 )
              = ( subset_intersection2 @ SV55 @ SY358 @ SV122 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[974]) ).

thf(1075,plain,
    ( ( ~ ~ ( ~ ( one_sorted_str @ sK3_SX0 )
            | ~ ~ ( empty_carrier @ sK3_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[975]) ).

thf(1076,plain,
    ! [SV56: $i] :
      ( ( ( ~ ( join_semilatt_str @ SV56 ) )
        = $true )
      | ( ( one_sorted_str @ SV56 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[976]) ).

thf(1077,plain,
    ! [SV123: $i,SV57: $i] :
      ( ( ! [SY359: $i] :
            ( ~ ( element @ SY359 @ ( powerset @ ( cartesian_product2 @ SV57 @ SV123 ) ) )
            | ( relation @ SY359 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[977]) ).

thf(1078,plain,
    ! [SV58: $i] :
      ( ( ( ~ ( one_sorted_str @ SV58 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV58 )
          = ( the_carrier @ SV58 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[978]) ).

thf(1079,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV59 @ ( singleton @ SV124 ) )
                | ( SV59 = empty_set )
                | ( SV59
                  = ( singleton @ SV124 ) ) )
            | ~ ( ~ ( ( SV59 = empty_set )
                    | ( SV59
                      = ( singleton @ SV124 ) ) )
                | ( subset @ SV59 @ ( singleton @ SV124 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[979]) ).

thf(1080,plain,
    ! [SV125: $i,SV60: $i] :
      ( ( ~ ( element @ SV60 @ SV125 )
        | ( empty @ SV125 )
        | ( in @ SV60 @ SV125 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[980]) ).

thf(1081,plain,
    ! [SV61: $i] :
      ( ( ( ~ ( subset @ SV61 @ empty_set ) )
        = $true )
      | ( ( SV61 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[981]) ).

thf(1082,plain,
    ! [SV62: $i,SV126: $i] :
      ( ( ~ ( element @ SV126 @ ( powerset @ ( powerset @ SV62 ) ) )
        | ( element @ ( complements_of_subsets @ SV62 @ SV126 ) @ ( powerset @ ( powerset @ SV62 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[982]) ).

thf(1083,plain,
    ! [SV127: $i,SV63: $i] :
      ( ( ! [SY360: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                                    | ~ ( meet_commutative @ SV63 ) )
                              | ~ ( meet_semilatt_str @ SV63 ) )
                        | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
                  | ~ ( element @ SY360 @ ( the_carrier @ SV63 ) ) )
            | ( ( meet_commut @ SV63 @ SV127 @ SY360 )
              = ( meet_commut @ SV63 @ SY360 @ SV127 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[983]) ).

thf(1084,plain,
    ! [SV64: $i,SV128: $i] :
      ( ( ~ ( element @ SV128 @ ( powerset @ ( powerset @ SV64 ) ) )
        | ( ( complements_of_subsets @ SV64 @ ( complements_of_subsets @ SV64 @ SV128 ) )
          = SV128 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[984]) ).

thf(1085,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ~ ( ~ ( ( ( set_difference @ SV65 @ SV129 )
                 != empty_set )
                | ( subset @ SV65 @ SV129 ) )
            | ~ ( ~ ( subset @ SV65 @ SV129 )
                | ( ( set_difference @ SV65 @ SV129 )
                  = empty_set ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[985]) ).

thf(1086,plain,
    ! [SV66: $i,SV130: $i] :
      ( ( ! [SY361: $i] :
            ( ~ ~ ( ~ ( element @ SV130 @ ( powerset @ SV66 ) )
                  | ~ ( element @ SY361 @ ( powerset @ SV66 ) ) )
            | ( element @ ( subset_difference @ SV66 @ SV130 @ SY361 ) @ ( powerset @ SV66 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[986]) ).

thf(1087,plain,
    ! [SV67: $i] :
      ( ( ( ~ ( one_sorted_str @ SV67 ) )
        = $true )
      | ( ( ! [SY294: $i] :
              ( ~ ( element @ SY294 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
              | ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SY294 )
                      | ( ( cast_as_carrier_subset @ SV67 )
                        = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SY294 ) ) )
                  | ~ ( ( ( cast_as_carrier_subset @ SV67 )
                       != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SY294 ) )
                      | ( is_a_cover_of_carrier @ SV67 @ SY294 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[987]) ).

thf(1088,plain,
    ! [SV68: $i] :
      ( ( ! [SY295: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV68 @ SY295 )
                            | ~ ! [SX2: $i,SX3: $i] :
                                  ( ~ ~ ( ~ ( in @ SX2 @ SY295 )
                                        | ~ ( subset @ SX3 @ SX2 ) )
                                  | ( in @ SX3 @ SY295 ) ) )
                      | ~ ! [SX2: $i] :
                            ( ~ ( in @ SX2 @ SY295 )
                            | ( in @ ( powerset @ SX2 ) @ SY295 ) ) )
                | ~ ! [SX2: $i] :
                      ~ ~ ( ~ ~ ( ~ ( subset @ SX2 @ SY295 )
                                | ~ ~ ( are_equipotent @ SX2 @ SY295 ) )
                          | ~ ~ ( in @ SX2 @ SY295 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[988]) ).

thf(1089,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ~ ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        | ~ ~ ( ~ ( ( SV131 != empty_set ) )
              | ( ( complements_of_subsets @ SV69 @ SV131 )
               != empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[989]) ).

thf(1090,plain,
    ! [SV70: $i] :
      ( ( ( ~ ( one_sorted_str @ SV70 ) )
        = $true )
      | ( ( element @ ( empty_carrier_subset @ SV70 ) @ ( powerset @ ( the_carrier @ SV70 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[990]) ).

thf(1091,plain,
    ! [SV71: $i] :
      ( ( ( ~ ( top_str @ SV71 ) )
        = $true )
      | ( ( ! [SY301: $i] :
              ( ~ ( element @ SY301 @ ( powerset @ ( the_carrier @ SV71 ) ) )
              | ( subset @ SY301 @ ( topstr_closure @ SV71 @ SY301 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[991]) ).

thf(1092,plain,
    ( ( ( relation_dom @ empty_set )
     != empty_set )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[992]) ).

thf(1093,plain,
    ( ( ( relation_rng @ empty_set )
     != empty_set )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[992]) ).

thf(1094,plain,
    ! [SV72: $i,SV132: $i] :
      ( ( ~ ( element @ SV132 @ ( powerset @ SV72 ) )
        | ( element @ ( subset_complement @ SV72 @ SV132 ) @ ( powerset @ SV72 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[993]) ).

thf(1095,plain,
    ! [SV73: $i,SV133: $i] :
      ( ( ~ ( element @ SV133 @ ( powerset @ SV73 ) )
        | ( ( subset_complement @ SV73 @ ( subset_complement @ SV73 @ SV133 ) )
          = SV133 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[994]) ).

thf(1096,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( finite @ SV74 ) )
        = $true )
      | ( ( ! [SY304: $i] :
              ( ~ ( element @ SY304 @ ( powerset @ SV74 ) )
              | ( finite @ SY304 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[995]) ).

thf(1097,plain,
    ! [SV134: $i,SV75: $i] :
      ( ( ! [SY362: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                                    | ~ ( join_commutative @ SV75 ) )
                              | ~ ( join_semilatt_str @ SV75 ) )
                        | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
                  | ~ ( element @ SY362 @ ( the_carrier @ SV75 ) ) )
            | ( element @ ( join_commut @ SV75 @ SV134 @ SY362 ) @ ( the_carrier @ SV75 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[996]) ).

thf(1098,plain,
    ! [SV76: $i,SV135: $i] :
      ( ( ! [SY363: $i] :
            ( ~ ~ ( ~ ( element @ SV135 @ ( powerset @ SV76 ) )
                  | ~ ( element @ SY363 @ ( powerset @ SV76 ) ) )
            | ( ( subset_intersection2 @ SV76 @ SV135 @ SY363 )
              = ( set_intersection2 @ SV135 @ SY363 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[997]) ).

thf(1099,plain,
    ! [SV136: $i,SV77: $i] :
      ( ( ! [SY364: $i] :
            ~ ~ ( ~ ~ ( ~ ( in @ SV77 @ SV136 )
                      | ~ ( element @ SV136 @ ( powerset @ SY364 ) ) )
                | ~ ( empty @ SY364 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[998]) ).

thf(1100,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( one_sorted_str @ SV78 ) )
        = $true )
      | ( ( ! [SY311: $i] :
              ( ~ ( element @ SY311 @ ( powerset @ ( the_carrier @ SV78 ) ) )
              | ( ( subset_complement @ ( the_carrier @ SV78 ) @ SY311 )
                = ( subset_difference @ ( the_carrier @ SV78 ) @ ( cast_as_carrier_subset @ SV78 ) @ SY311 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[999]) ).

thf(1101,plain,
    ! [SV79: $i,SV137: $i] :
      ( ( ~ ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        | ! [SY365: $i] :
            ( ~ ( element @ SY365 @ ( powerset @ ( powerset @ SV79 ) ) )
            | ~ ( ~ ( ( SY365
                     != ( complements_of_subsets @ SV79 @ SV137 ) )
                    | ! [SY366: $i] :
                        ( ~ ( element @ SY366 @ ( powerset @ SV79 ) )
                        | ~ ( ~ ( ~ ( in @ SY366 @ SY365 )
                                | ( in @ ( subset_complement @ SV79 @ SY366 ) @ SV137 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY366 ) @ SV137 )
                                | ( in @ SY366 @ SY365 ) ) ) ) )
                | ~ ( ~ ! [SY367: $i] :
                          ( ~ ( element @ SY367 @ ( powerset @ SV79 ) )
                          | ~ ( ~ ( ~ ( in @ SY367 @ SY365 )
                                  | ( in @ ( subset_complement @ SV79 @ SY367 ) @ SV137 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY367 ) @ SV137 )
                                  | ( in @ SY367 @ SY365 ) ) ) )
                    | ( SY365
                      = ( complements_of_subsets @ SV79 @ SV137 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1000]) ).

thf(1102,plain,
    ! [SV138: $i,SV80: $i] :
      ( ( ! [SY368: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                              | ~ ( meet_semilatt_str @ SV80 ) )
                        | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
                  | ~ ( element @ SY368 @ ( the_carrier @ SV80 ) ) )
            | ( element @ ( meet @ SV80 @ SV138 @ SY368 ) @ ( the_carrier @ SV80 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1001]) ).

thf(1103,plain,
    ! [SV81: $i] :
      ( ( ! [SY318: $i] :
            ~ ~ ( ~ ( element @ SY318 @ ( powerset @ SV81 ) )
                | ~ ( empty @ SY318 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1002]) ).

thf(1104,plain,
    ( ( ~ ( one_sorted_str @ sK4_SX0 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[1003]) ).

thf(1105,plain,
    ! [SV82: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV82 )
                | ~ ( one_sorted_str @ SV82 ) ) )
        = $true )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1004]) ).

thf(1106,plain,
    ! [SV83: $i] :
      ( ( ( singleton @ SV83 )
        = empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1005]) ).

thf(1107,plain,
    ! [SV139: $i,SV84: $i] :
      ( ( ! [SY369: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                                    | ~ ( meet_commutative @ SV84 ) )
                              | ~ ( meet_semilatt_str @ SV84 ) )
                        | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
                  | ~ ( element @ SY369 @ ( the_carrier @ SV84 ) ) )
            | ( element @ ( meet_commut @ SV84 @ SV139 @ SY369 ) @ ( the_carrier @ SV84 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1006]) ).

thf(1108,plain,
    ! [SV140: $i,SV85: $i] :
      ( ( ! [SY370: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                              | ~ ( join_semilatt_str @ SV85 ) )
                        | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
                  | ~ ( element @ SY370 @ ( the_carrier @ SV85 ) ) )
            | ( element @ ( join @ SV85 @ SV140 @ SY370 ) @ ( the_carrier @ SV85 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1007]) ).

thf(1109,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV86 @ ( singleton @ SV141 ) )
                | ( SV86 = empty_set )
                | ( SV86
                  = ( singleton @ SV141 ) ) )
            | ~ ( ~ ( ( SV86 = empty_set )
                    | ( SV86
                      = ( singleton @ SV141 ) ) )
                | ( subset @ SV86 @ ( singleton @ SV141 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1008]) ).

thf(1110,plain,
    ! [SV87: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV87 )
                | ~ ( join_semilatt_str @ SV87 ) ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1009]) ).

thf(1111,plain,
    ! [SV88: $i] :
      ( ( ( ~ ( one_sorted_str @ SV88 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV88 )
          = ( the_carrier @ SV88 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1010]) ).

thf(1112,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( relation @ SV89 ) )
        = $true )
      | ( ( ~ ( ( ( relation_dom @ SV89 )
                = empty_set )
              | ( ( relation_rng @ SV89 )
                = empty_set ) )
          | ( SV89 = empty_set ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1011]) ).

thf(1113,plain,
    ! [SV142: $i,SV90: $i] :
      ( ( ~ ( in @ SV90 @ SV142 )
        | ( element @ SV90 @ SV142 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1012]) ).

thf(1114,plain,
    ! [SV91: $i] :
      ( ( ( ~ ( one_sorted_str @ SV91 ) )
        = $true )
      | ( ( ! [SY328: $i] :
              ( ~ ( element @ SY328 @ ( powerset @ ( the_carrier @ SV91 ) ) )
              | ( ( subset_intersection2 @ ( the_carrier @ SV91 ) @ SY328 @ ( cast_as_carrier_subset @ SV91 ) )
                = SY328 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1013]) ).

thf(1115,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ~ ( ~ ( ~ ~ ( empty @ SV92 )
                | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                        | ( in @ SV143 @ SV92 ) )
                    | ~ ( ~ ( in @ SV143 @ SV92 )
                        | ( element @ SV143 @ SV92 ) ) ) )
            | ~ ( ~ ( empty @ SV92 )
                | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                        | ( empty @ SV143 ) )
                    | ~ ( ~ ( empty @ SV143 )
                        | ( element @ SV143 @ SV92 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1014]) ).

thf(1116,plain,
    ! [SV93: $i,SV144: $i] :
      ( ( ~ ( element @ SV144 @ ( powerset @ ( powerset @ SV93 ) ) )
        | ( ( meet_of_subsets @ SV93 @ SV144 )
          = ( set_meet @ SV144 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1015]) ).

thf(1117,plain,
    ! [SV94: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV94 )
                | ~ ( one_sorted_str @ SV94 ) ) )
        = $true )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1016]) ).

thf(1118,plain,
    ! [SV95: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV95 )
                | ~ ( one_sorted_str @ SV95 ) ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1017]) ).

thf(1119,plain,
    ! [SV145: $i,SV96: $i] :
      ( ( ~ ! [SY371: $i] :
              ( ~ ( in @ SY371 @ SV96 )
              | ( in @ SY371 @ SV145 ) )
        | ( element @ SV96 @ ( powerset @ SV145 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1018]) ).

thf(1120,plain,
    ! [SV97: $i] :
      ( ( ( ~ ( top_str @ SV97 ) )
        = $true )
      | ( ( one_sorted_str @ SV97 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1019]) ).

thf(1121,plain,
    ! [SV146: $i,SV98: $i] :
      ( ( ! [SY372: $i] :
            ( ~ ( relation_of2 @ SY372 @ SV98 @ SV146 )
            | ( element @ ( relation_rng_as_subset @ SV98 @ SV146 @ SY372 ) @ ( powerset @ SV146 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1020]) ).

thf(1122,plain,
    ! [SV147: $i,SV99: $i] :
      ( ( ! [SY373: $i] :
            ( ~ ( relation_of2_as_subset @ SY373 @ SV99 @ SV147 )
            | ( element @ SY373 @ ( powerset @ ( cartesian_product2 @ SV99 @ SV147 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1021]) ).

thf(1123,plain,
    ! [SV100: $i] :
      ( ( ( ~ ( finite @ SV100 ) )
        = $true )
      | ( ( ! [SY337: $i] :
              ( ~ ( element @ SY337 @ ( powerset @ ( powerset @ SV100 ) ) )
              | ~ ~ ( ~ ( ( SY337 != empty_set ) )
                    | ~ ! [SX2: $i] :
                          ~ ~ ( ~ ( in @ SX2 @ SY337 )
                              | ~ ! [SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX3 @ SY337 )
                                          | ~ ( subset @ SX2 @ SX3 ) )
                                    | ( SX3 = SX2 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1022]) ).

thf(1124,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1023]) ).

thf(1125,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1023]) ).

thf(1126,plain,
    ! [SV9: $i,SV101: $i] :
      ( ( ( ~ ( element @ SV101 @ ( powerset @ ( powerset @ SV9 ) ) ) )
        = $true )
      | ( ( element @ ( meet_of_subsets @ SV9 @ SV101 ) @ ( powerset @ SV9 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1025]) ).

thf(1127,plain,
    ! [SV10: $i] :
      ( ( ( v3_membered @ SV10 )
        = $false )
      | ( ( ! [SY220: $i] :
              ( ~ ( element @ SY220 @ ( powerset @ SV10 ) )
              | ~ ( ~ ~ ( ~ ( v1_membered @ SY220 )
                        | ~ ( v2_membered @ SY220 ) )
                  | ~ ( v3_membered @ SY220 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1026]) ).

thf(1128,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ~ ( ~ ( ( SV11 != empty_set ) )
            | ~ ( ~ ( ( SV102
                     != ( set_meet @ SV11 ) )
                    | ! [SY340: $i] :
                        ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                              | ! [SY223: $i] :
                                  ( ~ ( in @ SY223 @ SV11 )
                                  | ( in @ SY340 @ SY223 ) ) )
                          | ~ ( ~ ! [SY224: $i] :
                                    ( ~ ( in @ SY224 @ SV11 )
                                    | ( in @ SY340 @ SY224 ) )
                              | ( in @ SY340 @ SV102 ) ) ) )
                | ~ ( ~ ! [SY343: $i] :
                          ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                                | ! [SY226: $i] :
                                    ( ~ ( in @ SY226 @ SV11 )
                                    | ( in @ SY343 @ SY226 ) ) )
                            | ~ ( ~ ! [SY227: $i] :
                                      ( ~ ( in @ SY227 @ SV11 )
                                      | ( in @ SY343 @ SY227 ) )
                                | ( in @ SY343 @ SV102 ) ) )
                    | ( SV102
                      = ( set_meet @ SV11 ) ) ) ) )
        | ~ ( ( SV11 != empty_set )
            | ~ ( ~ ( ( SV102
                     != ( set_meet @ SV11 ) )
                    | ( SV102 = empty_set ) )
                | ~ ( ( SV102 != empty_set )
                    | ( SV102
                      = ( set_meet @ SV11 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1027]) ).

thf(1129,plain,
    ! [SV12: $i] :
      ( ( ( meet_semilatt_str @ SV12 )
        = $false )
      | ( ( one_sorted_str @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1028]) ).

thf(1130,plain,
    ! [SV103: $i,SV13: $i] :
      ( ( ( ~ ~ ( ~ ( top_str @ SV13 )
                | ~ ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) ) ) )
        = $true )
      | ( ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1029]) ).

thf(1131,plain,
    ! [SV148: $i,SV14: $i,SV104: $i] :
      ( ( ~ ~ ( ~ ( element @ SV104 @ ( powerset @ SV14 ) )
              | ~ ( element @ SV148 @ ( powerset @ SV14 ) ) )
        | ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1030]) ).

thf(1132,plain,
    ! [SV15: $i] :
      ( ( ( v2_membered @ SV15 )
        = $false )
      | ( ( ! [SY231: $i] :
              ( ~ ( element @ SY231 @ SV15 )
              | ~ ( ~ ( v1_xcmplx_0 @ SY231 )
                  | ~ ( v1_xreal_0 @ SY231 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1031]) ).

thf(1133,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                                | ~ ( join_commutative @ SV16 ) )
                          | ~ ( join_semilatt_str @ SV16 ) )
                    | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
              | ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        | ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1032]) ).

thf(1134,plain,
    ! [SV106: $i,SV17: $i,SV150: $i] :
      ( ( ~ ( element @ SV150 @ ( powerset @ SV17 ) )
        | ~ ~ ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
              | ~ ( in @ SV106 @ SV150 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1033]) ).

thf(1135,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ( topological_space @ SV18 )
              | ~ ( top_str @ SV18 ) ) )
        = $false )
      | ( ( ~ ! [SY236: $i] :
                ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                    | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1034]) ).

thf(1136,plain,
    ! [SV107: $i,SV19: $i,SV151: $i] :
      ( ( ~ ( relation_of2 @ SV151 @ SV19 @ SV107 )
        | ( element @ ( relation_dom_as_subset @ SV19 @ SV107 @ SV151 ) @ ( powerset @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1035]) ).

thf(1137,plain,
    ! [SV20: $i] :
      ( ( ( top_str @ SV20 )
        = $false )
      | ( ( ! [SY239: $i] :
              ( ~ ( element @ SY239 @ ( powerset @ ( the_carrier @ SV20 ) ) )
              | ( subset @ ( interior @ SV20 @ SY239 ) @ SY239 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1036]) ).

thf(1138,plain,
    ! [SV152: $i,SV21: $i,SV108: $i] :
      ( ( ~ ~ ( ~ ( element @ SV108 @ ( powerset @ SV21 ) )
              | ~ ( element @ SV152 @ ( powerset @ SV21 ) ) )
        | ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1037]) ).

thf(1139,plain,
    ! [SV22: $i] :
      ( ( ( relation @ SV22 )
        = $false )
      | ( ( ~ ( ~ ( ( ( relation_dom @ SV22 )
                   != empty_set )
                  | ( ( relation_rng @ SV22 )
                    = empty_set ) )
              | ~ ( ( ( relation_rng @ SV22 )
                   != empty_set )
                  | ( ( relation_dom @ SV22 )
                    = empty_set ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1038]) ).

thf(1140,plain,
    ! [SV23: $i] :
      ( ( ( relation @ SV23 )
        = $false )
      | ( ( ~ ! [SY242: $i,SY243: $i] :
                ~ ( in @ ( ordered_pair @ SY242 @ SY243 ) @ SV23 )
          | ( SV23 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1039]) ).

thf(1141,plain,
    ! [SV24: $i] :
      ( ( ( empty @ SV24 )
        = $false )
      | ( ( SV24 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1040]) ).

thf(1142,plain,
    ! [SV25: $i] :
      ( ( ( one_sorted_str @ SV25 )
        = $false )
      | ( ( element @ ( cast_as_carrier_subset @ SV25 ) @ ( powerset @ ( the_carrier @ SV25 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1041]) ).

thf(1143,plain,
    ! [SV26: $i,SV109: $i] :
      ( ( ( ~ ( element @ SV109 @ ( powerset @ SV26 ) ) )
        = $true )
      | ( ( ! [SY351: $i] :
              ( ~ ( in @ SY351 @ SV109 )
              | ( in @ SY351 @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1042]) ).

thf(1144,plain,
    ! [SV27: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV27 )
              | ~ ( one_sorted_str @ SV27 ) ) )
        = $false )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1043]) ).

thf(1145,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ~ ( ~ ( disjoint @ SV28 @ SV110 )
            | ( ( set_intersection2 @ SV28 @ SV110 )
              = empty_set ) )
        | ~ ( ( ( set_intersection2 @ SV28 @ SV110 )
             != empty_set )
            | ( disjoint @ SV28 @ SV110 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1044]) ).

thf(1146,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ~ ( ( ( set_difference @ SV29 @ SV111 )
             != empty_set )
            | ( subset @ SV29 @ SV111 ) )
        | ~ ( ~ ( subset @ SV29 @ SV111 )
            | ( ( set_difference @ SV29 @ SV111 )
              = empty_set ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1045]) ).

thf(1147,plain,
    ! [SV30: $i,SV112: $i] :
      ( ( ( ~ ( element @ SV112 @ ( powerset @ ( powerset @ SV30 ) ) ) )
        = $true )
      | ( ( element @ ( union_of_subsets @ SV30 @ SV112 ) @ ( powerset @ SV30 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1046]) ).

thf(1148,plain,
    ( ( ~ ( element @ sK2_SX0 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1047]) ).

thf(1149,plain,
    ( ( ~ ~ ( ~ ( is_a_cover_of_carrier @ sK1_A @ sK2_SX0 )
            | ( sK2_SX0 != empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1047]) ).

thf(1150,plain,
    ! [SV31: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV31 )
                    | ~ ( join_commutative @ SV31 ) )
              | ~ ( join_semilatt_str @ SV31 ) ) )
        = $false )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1048]) ).

thf(1151,plain,
    ! [SV32: $i] :
      ( ( ( one_sorted_str @ SV32 )
        = $false )
      | ( ( ( empty_carrier_subset @ SV32 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1049]) ).

thf(1152,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( empty @ SV33 ) )
        = $false )
      | ( ( ~ ! [SY253: $i] :
                ~ ~ ( ~ ( element @ SY253 @ ( powerset @ SV33 ) )
                    | ~ ~ ( empty @ SY253 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1050]) ).

thf(1153,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ~ ( ~ ( element @ SV34 @ ( powerset @ SV113 ) )
            | ( subset @ SV34 @ SV113 ) )
        | ~ ( ~ ( subset @ SV34 @ SV113 )
            | ( element @ SV34 @ ( powerset @ SV113 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1051]) ).

thf(1154,plain,
    ! [SV114: $i,SV35: $i] :
      ( ( ( ~ ~ ( ~ ( top_str @ SV35 )
                | ~ ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) ) ) )
        = $true )
      | ( ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1052]) ).

thf(1155,plain,
    ! [SV36: $i] :
      ( ( ( top_str @ SV36 )
        = $false )
      | ( ( element @ ( the_topology @ SV36 ) @ ( powerset @ ( powerset @ ( the_carrier @ SV36 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1053]) ).

thf(1156,plain,
    ! [SV37: $i] :
      ( ( ( one_sorted_str @ SV37 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( empty_carrier @ SV37 )
                  | ( empty @ ( the_carrier @ SV37 ) ) )
              | ~ ( ~ ( empty @ ( the_carrier @ SV37 ) )
                  | ( empty_carrier @ SV37 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1054]) ).

thf(1157,plain,
    ! [SV38: $i,SV115: $i] :
      ( ( ( ~ ( element @ SV115 @ ( powerset @ ( powerset @ SV38 ) ) ) )
        = $true )
      | ( ( ( union_of_subsets @ SV38 @ SV115 )
          = ( union @ SV115 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1055]) ).

thf(1158,plain,
    ! [SV39: $i] :
      ( ( ( v2_membered @ SV39 )
        = $false )
      | ( ( ! [SY257: $i] :
              ( ~ ( element @ SY257 @ ( powerset @ SV39 ) )
              | ~ ( ~ ( v1_membered @ SY257 )
                  | ~ ( v2_membered @ SY257 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1056]) ).

thf(1159,plain,
    ! [SV40: $i] :
      ( ( ~ ( ( SV40 != empty_set )
            | ! [SY258: $i] :
                ~ ( in @ SY258 @ SV40 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1057]) ).

thf(1160,plain,
    ! [SV40: $i] :
      ( ( ~ ( ~ ! [SY259: $i] :
                  ~ ( in @ SY259 @ SV40 )
            | ( SV40 = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1057]) ).

thf(1161,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( ~ ( topological_space @ SV41 )
              | ~ ( top_str @ SV41 ) ) )
        = $false )
      | ( ( ~ ! [SY260: $i] :
                ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                    | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1058]) ).

thf(1162,plain,
    ! [SV42: $i] :
      ( ( ( one_sorted_str @ SV42 )
        = $false )
      | ( ( ! [SY261: $i] :
              ( ~ ( element @ SY261 @ ( powerset @ ( the_carrier @ SV42 ) ) )
              | ( ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ SY261 ) )
                = SY261 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1059]) ).

thf(1163,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ~ ( ( SV116
             != ( powerset @ SV43 ) )
            | ! [SY352: $i] :
                ~ ( ~ ( ~ ( in @ SY352 @ SV116 )
                      | ( subset @ SY352 @ SV43 ) )
                  | ~ ( ~ ( subset @ SY352 @ SV43 )
                      | ( in @ SY352 @ SV116 ) ) ) )
        | ~ ( ~ ! [SY353: $i] :
                  ~ ( ~ ( ~ ( in @ SY353 @ SV116 )
                        | ( subset @ SY353 @ SV43 ) )
                    | ~ ( ~ ( subset @ SY353 @ SV43 )
                        | ( in @ SY353 @ SV116 ) ) )
            | ( SV116
              = ( powerset @ SV43 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1060]) ).

thf(1164,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( empty @ SV44 ) )
        = $false )
      | ( ( ~ ! [SY265: $i] :
                ~ ~ ( ~ ~ ( ~ ( element @ SY265 @ ( powerset @ SV44 ) )
                          | ~ ~ ( empty @ SY265 ) )
                    | ~ ( finite @ SY265 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1061]) ).

thf(1165,plain,
    ! [SV45: $i] :
      ( ( ( v1_membered @ SV45 )
        = $false )
      | ( ( ! [SY266: $i] :
              ( ~ ( element @ SY266 @ ( powerset @ SV45 ) )
              | ( v1_membered @ SY266 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1062]) ).

thf(1166,plain,
    ! [SV46: $i,SV117: $i] :
      ( ( ( ~ ( element @ SV117 @ ( powerset @ SV46 ) ) )
        = $true )
      | ( ( ! [SY354: $i] :
              ( ~ ( element @ SY354 @ ( powerset @ SV46 ) )
              | ~ ( ~ ( ~ ( disjoint @ SV117 @ SY354 )
                      | ( subset @ SV117 @ ( subset_complement @ SV46 @ SY354 ) ) )
                  | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SY354 ) )
                      | ( disjoint @ SV117 @ SY354 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1063]) ).

thf(1167,plain,
    ! [SV47: $i] :
      ( ( ( ordinal @ SV47 )
        = $false )
      | ( ( ! [SY269: $i] :
              ( ~ ( element @ SY269 @ SV47 )
              | ~ ( ~ ~ ( ~ ( epsilon_transitive @ SY269 )
                        | ~ ( epsilon_connected @ SY269 ) )
                  | ~ ( ordinal @ SY269 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1064]) ).

thf(1168,plain,
    ! [SV48: $i] :
      ( ( ( SV48 != empty_set )
        = $false )
      | ( ( ! [SY270: $i] :
              ( ~ ( element @ SY270 @ ( powerset @ SV48 ) )
              | ! [SY271: $i] :
                  ( ~ ( element @ SY271 @ SV48 )
                  | ~ ~ ( in @ SY271 @ SY270 )
                  | ( in @ SY271 @ ( subset_complement @ SV48 @ SY270 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1065]) ).

thf(1169,plain,
    ! [SV49: $i] :
      ( ( ~ ( element @ ( sK5_SY272 @ SV49 ) @ SV49 ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[1066]) ).

thf(1170,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ~ ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        | ~ ( ~ ( ~ ( ( SV118 != empty_set )
                    | ( SV50 = empty_set ) )
                | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                        | ( SV50
                          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
                    | ~ ( ( SV50
                         != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                        | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
            | ~ ( ( SV118 != empty_set )
                | ( SV50 = empty_set )
                | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                        | ( SV153 = empty_set ) )
                    | ~ ( ( SV153 != empty_set )
                        | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1067]) ).

thf(1171,plain,
    ! [SV154: $i,SV119: $i,SV51: $i] :
      ( ( ~ ~ ( ~ ( in @ SV51 @ SV119 )
              | ~ ( element @ SV119 @ ( powerset @ SV154 ) ) )
        | ( element @ SV51 @ SV154 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1068]) ).

thf(1172,plain,
    ! [SV52: $i,SV120: $i] :
      ( ( ( ~ ( element @ SV120 @ ( powerset @ SV52 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV52 @ SV120 )
          = ( set_difference @ SV52 @ SV120 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1069]) ).

thf(1173,plain,
    ! [SV155: $i,SV53: $i,SV121: $i] :
      ( ( ~ ~ ( ~ ( element @ SV121 @ ( powerset @ SV53 ) )
              | ~ ( element @ SV155 @ ( powerset @ SV53 ) ) )
        | ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1070]) ).

thf(1174,plain,
    ! [SV54: $i] :
      ( ( ( v1_membered @ SV54 )
        = $false )
      | ( ( ! [SY280: $i] :
              ( ~ ( element @ SY280 @ SV54 )
              | ( v1_xcmplx_0 @ SY280 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1071]) ).

thf(1175,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1072]) ).

thf(1176,plain,
    ( ( relation_empty_yielding @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1073]) ).

thf(1177,plain,
    ! [SV156: $i,SV55: $i,SV122: $i] :
      ( ( ~ ~ ( ~ ( element @ SV122 @ ( powerset @ SV55 ) )
              | ~ ( element @ SV156 @ ( powerset @ SV55 ) ) )
        | ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1074]) ).

thf(1178,plain,
    ( ( ~ ( ~ ( one_sorted_str @ sK3_SX0 )
          | ~ ~ ( empty_carrier @ sK3_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1075]) ).

thf(1179,plain,
    ! [SV56: $i] :
      ( ( ( join_semilatt_str @ SV56 )
        = $false )
      | ( ( one_sorted_str @ SV56 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1076]) ).

thf(1180,plain,
    ! [SV123: $i,SV57: $i,SV157: $i] :
      ( ( ~ ( element @ SV157 @ ( powerset @ ( cartesian_product2 @ SV57 @ SV123 ) ) )
        | ( relation @ SV157 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1077]) ).

thf(1181,plain,
    ! [SV58: $i] :
      ( ( ( one_sorted_str @ SV58 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV58 )
          = ( the_carrier @ SV58 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1078]) ).

thf(1182,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ~ ( ~ ( subset @ SV59 @ ( singleton @ SV124 ) )
            | ( SV59 = empty_set )
            | ( SV59
              = ( singleton @ SV124 ) ) )
        | ~ ( ~ ( ( SV59 = empty_set )
                | ( SV59
                  = ( singleton @ SV124 ) ) )
            | ( subset @ SV59 @ ( singleton @ SV124 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1079]) ).

thf(1183,plain,
    ! [SV125: $i,SV60: $i] :
      ( ( ( ~ ( element @ SV60 @ SV125 ) )
        = $true )
      | ( ( ( empty @ SV125 )
          | ( in @ SV60 @ SV125 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1080]) ).

thf(1184,plain,
    ! [SV61: $i] :
      ( ( ( subset @ SV61 @ empty_set )
        = $false )
      | ( ( SV61 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1081]) ).

thf(1185,plain,
    ! [SV62: $i,SV126: $i] :
      ( ( ( ~ ( element @ SV126 @ ( powerset @ ( powerset @ SV62 ) ) ) )
        = $true )
      | ( ( element @ ( complements_of_subsets @ SV62 @ SV126 ) @ ( powerset @ ( powerset @ SV62 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1082]) ).

thf(1186,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                                | ~ ( meet_commutative @ SV63 ) )
                          | ~ ( meet_semilatt_str @ SV63 ) )
                    | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
              | ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        | ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1083]) ).

thf(1187,plain,
    ! [SV64: $i,SV128: $i] :
      ( ( ( ~ ( element @ SV128 @ ( powerset @ ( powerset @ SV64 ) ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV64 @ ( complements_of_subsets @ SV64 @ SV128 ) )
          = SV128 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1084]) ).

thf(1188,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ~ ( ( ( set_difference @ SV65 @ SV129 )
             != empty_set )
            | ( subset @ SV65 @ SV129 ) )
        | ~ ( ~ ( subset @ SV65 @ SV129 )
            | ( ( set_difference @ SV65 @ SV129 )
              = empty_set ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1085]) ).

thf(1189,plain,
    ! [SV159: $i,SV66: $i,SV130: $i] :
      ( ( ~ ~ ( ~ ( element @ SV130 @ ( powerset @ SV66 ) )
              | ~ ( element @ SV159 @ ( powerset @ SV66 ) ) )
        | ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1086]) ).

thf(1190,plain,
    ! [SV67: $i] :
      ( ( ( one_sorted_str @ SV67 )
        = $false )
      | ( ( ! [SY294: $i] :
              ( ~ ( element @ SY294 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
              | ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SY294 )
                      | ( ( cast_as_carrier_subset @ SV67 )
                        = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SY294 ) ) )
                  | ~ ( ( ( cast_as_carrier_subset @ SV67 )
                       != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SY294 ) )
                      | ( is_a_cover_of_carrier @ SV67 @ SY294 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1087]) ).

thf(1191,plain,
    ! [SV68: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
                          | ~ ! [SY374: $i,SY375: $i] :
                                ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                                      | ~ ( subset @ SY375 @ SY374 ) )
                                | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
                    | ~ ! [SY376: $i] :
                          ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
                          | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) )
              | ~ ! [SY377: $i] :
                    ~ ~ ( ~ ~ ( ~ ( subset @ SY377 @ ( sK6_SY295 @ SV68 ) )
                              | ~ ~ ( are_equipotent @ SY377 @ ( sK6_SY295 @ SV68 ) ) )
                        | ~ ~ ( in @ SY377 @ ( sK6_SY295 @ SV68 ) ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[1088]) ).

thf(1192,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( ~ ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( ( SV131 != empty_set ) )
                | ( ( complements_of_subsets @ SV69 @ SV131 )
                 != empty_set ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1089]) ).

thf(1193,plain,
    ! [SV70: $i] :
      ( ( ( one_sorted_str @ SV70 )
        = $false )
      | ( ( element @ ( empty_carrier_subset @ SV70 ) @ ( powerset @ ( the_carrier @ SV70 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1090]) ).

thf(1194,plain,
    ! [SV71: $i] :
      ( ( ( top_str @ SV71 )
        = $false )
      | ( ( ! [SY301: $i] :
              ( ~ ( element @ SY301 @ ( powerset @ ( the_carrier @ SV71 ) ) )
              | ( subset @ SY301 @ ( topstr_closure @ SV71 @ SY301 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1091]) ).

thf(1195,plain,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1092]) ).

thf(1196,plain,
    ( ( ( relation_rng @ empty_set )
      = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1093]) ).

thf(1197,plain,
    ! [SV72: $i,SV132: $i] :
      ( ( ( ~ ( element @ SV132 @ ( powerset @ SV72 ) ) )
        = $true )
      | ( ( element @ ( subset_complement @ SV72 @ SV132 ) @ ( powerset @ SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1094]) ).

thf(1198,plain,
    ! [SV73: $i,SV133: $i] :
      ( ( ( ~ ( element @ SV133 @ ( powerset @ SV73 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV73 @ ( subset_complement @ SV73 @ SV133 ) )
          = SV133 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1095]) ).

thf(1199,plain,
    ! [SV74: $i] :
      ( ( ( finite @ SV74 )
        = $false )
      | ( ( ! [SY304: $i] :
              ( ~ ( element @ SY304 @ ( powerset @ SV74 ) )
              | ( finite @ SY304 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1096]) ).

thf(1200,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                                | ~ ( join_commutative @ SV75 ) )
                          | ~ ( join_semilatt_str @ SV75 ) )
                    | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
              | ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        | ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1097]) ).

thf(1201,plain,
    ! [SV161: $i,SV76: $i,SV135: $i] :
      ( ( ~ ~ ( ~ ( element @ SV135 @ ( powerset @ SV76 ) )
              | ~ ( element @ SV161 @ ( powerset @ SV76 ) ) )
        | ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1098]) ).

thf(1202,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV77 @ SV136 )
                    | ~ ( element @ SV136 @ ( powerset @ SV162 ) ) )
              | ~ ( empty @ SV162 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1099]) ).

thf(1203,plain,
    ! [SV78: $i] :
      ( ( ( one_sorted_str @ SV78 )
        = $false )
      | ( ( ! [SY311: $i] :
              ( ~ ( element @ SY311 @ ( powerset @ ( the_carrier @ SV78 ) ) )
              | ( ( subset_complement @ ( the_carrier @ SV78 ) @ SY311 )
                = ( subset_difference @ ( the_carrier @ SV78 ) @ ( cast_as_carrier_subset @ SV78 ) @ SY311 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1100]) ).

thf(1204,plain,
    ! [SV79: $i,SV137: $i] :
      ( ( ( ~ ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) ) )
        = $true )
      | ( ( ! [SY365: $i] :
              ( ~ ( element @ SY365 @ ( powerset @ ( powerset @ SV79 ) ) )
              | ~ ( ~ ( ( SY365
                       != ( complements_of_subsets @ SV79 @ SV137 ) )
                      | ! [SY366: $i] :
                          ( ~ ( element @ SY366 @ ( powerset @ SV79 ) )
                          | ~ ( ~ ( ~ ( in @ SY366 @ SY365 )
                                  | ( in @ ( subset_complement @ SV79 @ SY366 ) @ SV137 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY366 ) @ SV137 )
                                  | ( in @ SY366 @ SY365 ) ) ) ) )
                  | ~ ( ~ ! [SY367: $i] :
                            ( ~ ( element @ SY367 @ ( powerset @ SV79 ) )
                            | ~ ( ~ ( ~ ( in @ SY367 @ SY365 )
                                    | ( in @ ( subset_complement @ SV79 @ SY367 ) @ SV137 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY367 ) @ SV137 )
                                    | ( in @ SY367 @ SY365 ) ) ) )
                      | ( SY365
                        = ( complements_of_subsets @ SV79 @ SV137 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1101]) ).

thf(1205,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                          | ~ ( meet_semilatt_str @ SV80 ) )
                    | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
              | ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        | ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1102]) ).

thf(1206,plain,
    ! [SV81: $i] :
      ( ( ~ ~ ( ~ ( element @ ( sK7_SY318 @ SV81 ) @ ( powerset @ SV81 ) )
              | ~ ( empty @ ( sK7_SY318 @ SV81 ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[1103]) ).

thf(1207,plain,
    ( ( one_sorted_str @ sK4_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1104]) ).

thf(1208,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV82 )
              | ~ ( one_sorted_str @ SV82 ) ) )
        = $false )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1105]) ).

thf(1209,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                                | ~ ( meet_commutative @ SV84 ) )
                          | ~ ( meet_semilatt_str @ SV84 ) )
                    | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
              | ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        | ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1107]) ).

thf(1210,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                          | ~ ( join_semilatt_str @ SV85 ) )
                    | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
              | ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        | ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1108]) ).

thf(1211,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ~ ( ~ ( subset @ SV86 @ ( singleton @ SV141 ) )
            | ( SV86 = empty_set )
            | ( SV86
              = ( singleton @ SV141 ) ) )
        | ~ ( ~ ( ( SV86 = empty_set )
                | ( SV86
                  = ( singleton @ SV141 ) ) )
            | ( subset @ SV86 @ ( singleton @ SV141 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1109]) ).

thf(1212,plain,
    ! [SV87: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV87 )
              | ~ ( join_semilatt_str @ SV87 ) ) )
        = $false )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1110]) ).

thf(1213,plain,
    ! [SV88: $i] :
      ( ( ( one_sorted_str @ SV88 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV88 )
          = ( the_carrier @ SV88 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1111]) ).

thf(1214,plain,
    ! [SV89: $i] :
      ( ( ( relation @ SV89 )
        = $false )
      | ( ( ~ ( ( ( relation_dom @ SV89 )
                = empty_set )
              | ( ( relation_rng @ SV89 )
                = empty_set ) )
          | ( SV89 = empty_set ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1112]) ).

thf(1215,plain,
    ! [SV142: $i,SV90: $i] :
      ( ( ( ~ ( in @ SV90 @ SV142 ) )
        = $true )
      | ( ( element @ SV90 @ SV142 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1113]) ).

thf(1216,plain,
    ! [SV91: $i] :
      ( ( ( one_sorted_str @ SV91 )
        = $false )
      | ( ( ! [SY328: $i] :
              ( ~ ( element @ SY328 @ ( powerset @ ( the_carrier @ SV91 ) ) )
              | ( ( subset_intersection2 @ ( the_carrier @ SV91 ) @ SY328 @ ( cast_as_carrier_subset @ SV91 ) )
                = SY328 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1114]) ).

thf(1217,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ~ ( ~ ~ ( empty @ SV92 )
            | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                    | ( in @ SV143 @ SV92 ) )
                | ~ ( ~ ( in @ SV143 @ SV92 )
                    | ( element @ SV143 @ SV92 ) ) ) )
        | ~ ( ~ ( empty @ SV92 )
            | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                    | ( empty @ SV143 ) )
                | ~ ( ~ ( empty @ SV143 )
                    | ( element @ SV143 @ SV92 ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1115]) ).

thf(1218,plain,
    ! [SV93: $i,SV144: $i] :
      ( ( ( ~ ( element @ SV144 @ ( powerset @ ( powerset @ SV93 ) ) ) )
        = $true )
      | ( ( ( meet_of_subsets @ SV93 @ SV144 )
          = ( set_meet @ SV144 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1116]) ).

thf(1219,plain,
    ! [SV94: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV94 )
              | ~ ( one_sorted_str @ SV94 ) ) )
        = $false )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1117]) ).

thf(1220,plain,
    ! [SV95: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV95 )
              | ~ ( one_sorted_str @ SV95 ) ) )
        = $false )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1118]) ).

thf(1221,plain,
    ! [SV145: $i,SV96: $i] :
      ( ( ( ~ ! [SY371: $i] :
                ( ~ ( in @ SY371 @ SV96 )
                | ( in @ SY371 @ SV145 ) ) )
        = $true )
      | ( ( element @ SV96 @ ( powerset @ SV145 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1119]) ).

thf(1222,plain,
    ! [SV97: $i] :
      ( ( ( top_str @ SV97 )
        = $false )
      | ( ( one_sorted_str @ SV97 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1120]) ).

thf(1223,plain,
    ! [SV146: $i,SV98: $i,SV166: $i] :
      ( ( ~ ( relation_of2 @ SV166 @ SV98 @ SV146 )
        | ( element @ ( relation_rng_as_subset @ SV98 @ SV146 @ SV166 ) @ ( powerset @ SV146 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1121]) ).

thf(1224,plain,
    ! [SV147: $i,SV99: $i,SV167: $i] :
      ( ( ~ ( relation_of2_as_subset @ SV167 @ SV99 @ SV147 )
        | ( element @ SV167 @ ( powerset @ ( cartesian_product2 @ SV99 @ SV147 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1122]) ).

thf(1225,plain,
    ! [SV100: $i] :
      ( ( ( finite @ SV100 )
        = $false )
      | ( ( ! [SY337: $i] :
              ( ~ ( element @ SY337 @ ( powerset @ ( powerset @ SV100 ) ) )
              | ~ ~ ( ~ ( ( SY337 != empty_set ) )
                    | ~ ! [SX2: $i] :
                          ~ ~ ( ~ ( in @ SX2 @ SY337 )
                              | ~ ! [SX3: $i] :
                                    ( ~ ~ ( ~ ( in @ SX3 @ SY337 )
                                          | ~ ( subset @ SX2 @ SX3 ) )
                                    | ( SX3 = SX2 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1123]) ).

thf(1226,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1124]) ).

thf(1227,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1125]) ).

thf(1228,plain,
    ! [SV9: $i,SV101: $i] :
      ( ( ( element @ SV101 @ ( powerset @ ( powerset @ SV9 ) ) )
        = $false )
      | ( ( element @ ( meet_of_subsets @ SV9 @ SV101 ) @ ( powerset @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1126]) ).

thf(1229,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( element @ SV168 @ ( powerset @ SV10 ) )
          | ~ ( ~ ~ ( ~ ( v1_membered @ SV168 )
                    | ~ ( v2_membered @ SV168 ) )
              | ~ ( v3_membered @ SV168 ) ) )
        = $true )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1127]) ).

thf(1230,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ~ ( ~ ( ( SV11 != empty_set ) )
            | ~ ( ~ ( ( SV102
                     != ( set_meet @ SV11 ) )
                    | ! [SY340: $i] :
                        ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                              | ! [SY223: $i] :
                                  ( ~ ( in @ SY223 @ SV11 )
                                  | ( in @ SY340 @ SY223 ) ) )
                          | ~ ( ~ ! [SY224: $i] :
                                    ( ~ ( in @ SY224 @ SV11 )
                                    | ( in @ SY340 @ SY224 ) )
                              | ( in @ SY340 @ SV102 ) ) ) )
                | ~ ( ~ ! [SY343: $i] :
                          ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                                | ! [SY226: $i] :
                                    ( ~ ( in @ SY226 @ SV11 )
                                    | ( in @ SY343 @ SY226 ) ) )
                            | ~ ( ~ ! [SY227: $i] :
                                      ( ~ ( in @ SY227 @ SV11 )
                                      | ( in @ SY343 @ SY227 ) )
                                | ( in @ SY343 @ SV102 ) ) )
                    | ( SV102
                      = ( set_meet @ SV11 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1128]) ).

thf(1231,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ~ ( ( SV11 != empty_set )
            | ~ ( ~ ( ( SV102
                     != ( set_meet @ SV11 ) )
                    | ( SV102 = empty_set ) )
                | ~ ( ( SV102 != empty_set )
                    | ( SV102
                      = ( set_meet @ SV11 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1128]) ).

thf(1232,plain,
    ! [SV103: $i,SV13: $i] :
      ( ( ( ~ ( ~ ( top_str @ SV13 )
              | ~ ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) ) ) )
        = $false )
      | ( ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1130]) ).

thf(1233,plain,
    ! [SV148: $i,SV14: $i,SV104: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV104 @ ( powerset @ SV14 ) )
                | ~ ( element @ SV148 @ ( powerset @ SV14 ) ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1131]) ).

thf(1234,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( ~ ( element @ SV169 @ SV15 )
          | ~ ( ~ ( v1_xcmplx_0 @ SV169 )
              | ~ ( v1_xreal_0 @ SV169 ) ) )
        = $true )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1132]) ).

thf(1235,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                                  | ~ ( join_commutative @ SV16 ) )
                            | ~ ( join_semilatt_str @ SV16 ) )
                      | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
                | ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1133]) ).

thf(1236,plain,
    ! [SV106: $i,SV17: $i,SV150: $i] :
      ( ( ( ~ ( element @ SV150 @ ( powerset @ SV17 ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
                | ~ ( in @ SV106 @ SV150 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1134]) ).

thf(1237,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( topological_space @ SV18 )
          | ~ ( top_str @ SV18 ) )
        = $true )
      | ( ( ~ ! [SY236: $i] :
                ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                    | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1135]) ).

thf(1238,plain,
    ! [SV107: $i,SV19: $i,SV151: $i] :
      ( ( ( ~ ( relation_of2 @ SV151 @ SV19 @ SV107 ) )
        = $true )
      | ( ( element @ ( relation_dom_as_subset @ SV19 @ SV107 @ SV151 ) @ ( powerset @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1136]) ).

thf(1239,plain,
    ! [SV20: $i,SV170: $i] :
      ( ( ( ~ ( element @ SV170 @ ( powerset @ ( the_carrier @ SV20 ) ) )
          | ( subset @ ( interior @ SV20 @ SV170 ) @ SV170 ) )
        = $true )
      | ( ( top_str @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1137]) ).

thf(1240,plain,
    ! [SV152: $i,SV21: $i,SV108: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV108 @ ( powerset @ SV21 ) )
                | ~ ( element @ SV152 @ ( powerset @ SV21 ) ) ) )
        = $true )
      | ( ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1138]) ).

thf(1241,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( ( ( relation_dom @ SV22 )
               != empty_set )
              | ( ( relation_rng @ SV22 )
                = empty_set ) )
          | ~ ( ( ( relation_rng @ SV22 )
               != empty_set )
              | ( ( relation_dom @ SV22 )
                = empty_set ) ) )
        = $false )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1139]) ).

thf(1242,plain,
    ! [SV23: $i] :
      ( ( ( ~ ! [SY242: $i,SY243: $i] :
                ~ ( in @ ( ordered_pair @ SY242 @ SY243 ) @ SV23 ) )
        = $true )
      | ( ( SV23 = empty_set )
        = $true )
      | ( ( relation @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1140]) ).

thf(1243,plain,
    ! [SV26: $i,SV109: $i] :
      ( ( ( element @ SV109 @ ( powerset @ SV26 ) )
        = $false )
      | ( ( ! [SY351: $i] :
              ( ~ ( in @ SY351 @ SV109 )
              | ( in @ SY351 @ SV26 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1143]) ).

thf(1244,plain,
    ! [SV27: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV27 )
          | ~ ( one_sorted_str @ SV27 ) )
        = $true )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1144]) ).

thf(1245,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ~ ( ~ ( disjoint @ SV28 @ SV110 )
            | ( ( set_intersection2 @ SV28 @ SV110 )
              = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1145]) ).

thf(1246,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ~ ( ( ( set_intersection2 @ SV28 @ SV110 )
             != empty_set )
            | ( disjoint @ SV28 @ SV110 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1145]) ).

thf(1247,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ~ ( ( ( set_difference @ SV29 @ SV111 )
             != empty_set )
            | ( subset @ SV29 @ SV111 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1146]) ).

thf(1248,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ~ ( ~ ( subset @ SV29 @ SV111 )
            | ( ( set_difference @ SV29 @ SV111 )
              = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1146]) ).

thf(1249,plain,
    ! [SV30: $i,SV112: $i] :
      ( ( ( element @ SV112 @ ( powerset @ ( powerset @ SV30 ) ) )
        = $false )
      | ( ( element @ ( union_of_subsets @ SV30 @ SV112 ) @ ( powerset @ SV30 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1147]) ).

thf(1250,plain,
    ( ( element @ sK2_SX0 @ ( powerset @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1148]) ).

thf(1251,plain,
    ( ( ~ ( ~ ( is_a_cover_of_carrier @ sK1_A @ sK2_SX0 )
          | ( sK2_SX0 != empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1149]) ).

thf(1252,plain,
    ! [SV31: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV31 )
                | ~ ( join_commutative @ SV31 ) )
          | ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1150]) ).

thf(1253,plain,
    ! [SV33: $i] :
      ( ( ( empty @ SV33 )
        = $true )
      | ( ( ~ ! [SY253: $i] :
                ~ ~ ( ~ ( element @ SY253 @ ( powerset @ SV33 ) )
                    | ~ ~ ( empty @ SY253 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1152]) ).

thf(1254,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ~ ( ~ ( element @ SV34 @ ( powerset @ SV113 ) )
            | ( subset @ SV34 @ SV113 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1153]) ).

thf(1255,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ~ ( ~ ( subset @ SV34 @ SV113 )
            | ( element @ SV34 @ ( powerset @ SV113 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1153]) ).

thf(1256,plain,
    ! [SV114: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( top_str @ SV35 )
              | ~ ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) ) ) )
        = $false )
      | ( ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1154]) ).

thf(1257,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( ~ ( empty_carrier @ SV37 )
              | ( empty @ ( the_carrier @ SV37 ) ) )
          | ~ ( ~ ( empty @ ( the_carrier @ SV37 ) )
              | ( empty_carrier @ SV37 ) ) )
        = $false )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1156]) ).

thf(1258,plain,
    ! [SV38: $i,SV115: $i] :
      ( ( ( element @ SV115 @ ( powerset @ ( powerset @ SV38 ) ) )
        = $false )
      | ( ( ( union_of_subsets @ SV38 @ SV115 )
          = ( union @ SV115 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1157]) ).

thf(1259,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( ~ ( element @ SV171 @ ( powerset @ SV39 ) )
          | ~ ( ~ ( v1_membered @ SV171 )
              | ~ ( v2_membered @ SV171 ) ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1158]) ).

thf(1260,plain,
    ! [SV40: $i] :
      ( ( ( SV40 != empty_set )
        | ! [SY258: $i] :
            ~ ( in @ SY258 @ SV40 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1159]) ).

thf(1261,plain,
    ! [SV40: $i] :
      ( ( ~ ! [SY259: $i] :
              ~ ( in @ SY259 @ SV40 )
        | ( SV40 = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1160]) ).

thf(1262,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( topological_space @ SV41 )
          | ~ ( top_str @ SV41 ) )
        = $true )
      | ( ( ~ ! [SY260: $i] :
                ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                    | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1161]) ).

thf(1263,plain,
    ! [SV42: $i,SV172: $i] :
      ( ( ( ~ ( element @ SV172 @ ( powerset @ ( the_carrier @ SV42 ) ) )
          | ( ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ SV172 ) )
            = SV172 ) )
        = $true )
      | ( ( one_sorted_str @ SV42 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1162]) ).

thf(1264,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ~ ( ( SV116
             != ( powerset @ SV43 ) )
            | ! [SY352: $i] :
                ~ ( ~ ( ~ ( in @ SY352 @ SV116 )
                      | ( subset @ SY352 @ SV43 ) )
                  | ~ ( ~ ( subset @ SY352 @ SV43 )
                      | ( in @ SY352 @ SV116 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1163]) ).

thf(1265,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ~ ( ~ ! [SY353: $i] :
                  ~ ( ~ ( ~ ( in @ SY353 @ SV116 )
                        | ( subset @ SY353 @ SV43 ) )
                    | ~ ( ~ ( subset @ SY353 @ SV43 )
                        | ( in @ SY353 @ SV116 ) ) )
            | ( SV116
              = ( powerset @ SV43 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1163]) ).

thf(1266,plain,
    ! [SV44: $i] :
      ( ( ( empty @ SV44 )
        = $true )
      | ( ( ~ ! [SY265: $i] :
                ~ ~ ( ~ ~ ( ~ ( element @ SY265 @ ( powerset @ SV44 ) )
                          | ~ ~ ( empty @ SY265 ) )
                    | ~ ( finite @ SY265 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1164]) ).

thf(1267,plain,
    ! [SV45: $i,SV173: $i] :
      ( ( ( ~ ( element @ SV173 @ ( powerset @ SV45 ) )
          | ( v1_membered @ SV173 ) )
        = $true )
      | ( ( v1_membered @ SV45 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1165]) ).

thf(1268,plain,
    ! [SV46: $i,SV117: $i] :
      ( ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( ! [SY354: $i] :
              ( ~ ( element @ SY354 @ ( powerset @ SV46 ) )
              | ~ ( ~ ( ~ ( disjoint @ SV117 @ SY354 )
                      | ( subset @ SV117 @ ( subset_complement @ SV46 @ SY354 ) ) )
                  | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SY354 ) )
                      | ( disjoint @ SV117 @ SY354 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1166]) ).

thf(1269,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( element @ SV174 @ SV47 )
          | ~ ( ~ ~ ( ~ ( epsilon_transitive @ SV174 )
                    | ~ ( epsilon_connected @ SV174 ) )
              | ~ ( ordinal @ SV174 ) ) )
        = $true )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1167]) ).

thf(1270,plain,
    ! [SV48: $i] :
      ( ( ( SV48 = empty_set )
        = $true )
      | ( ( ! [SY270: $i] :
              ( ~ ( element @ SY270 @ ( powerset @ SV48 ) )
              | ! [SY271: $i] :
                  ( ~ ( element @ SY271 @ SV48 )
                  | ~ ~ ( in @ SY271 @ SY270 )
                  | ( in @ SY271 @ ( subset_complement @ SV48 @ SY270 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1168]) ).

thf(1271,plain,
    ! [SV49: $i] :
      ( ( element @ ( sK5_SY272 @ SV49 ) @ SV49 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1169]) ).

thf(1272,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( ( SV118 != empty_set )
                      | ( SV50 = empty_set ) )
                  | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                          | ( SV50
                            = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
                      | ~ ( ( SV50
                           != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                          | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
              | ~ ( ( SV118 != empty_set )
                  | ( SV50 = empty_set )
                  | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                          | ( SV153 = empty_set ) )
                      | ~ ( ( SV153 != empty_set )
                          | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1170]) ).

thf(1273,plain,
    ! [SV154: $i,SV119: $i,SV51: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV51 @ SV119 )
                | ~ ( element @ SV119 @ ( powerset @ SV154 ) ) ) )
        = $true )
      | ( ( element @ SV51 @ SV154 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1171]) ).

thf(1274,plain,
    ! [SV52: $i,SV120: $i] :
      ( ( ( element @ SV120 @ ( powerset @ SV52 ) )
        = $false )
      | ( ( ( subset_complement @ SV52 @ SV120 )
          = ( set_difference @ SV52 @ SV120 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1172]) ).

thf(1275,plain,
    ! [SV155: $i,SV53: $i,SV121: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV121 @ ( powerset @ SV53 ) )
                | ~ ( element @ SV155 @ ( powerset @ SV53 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1173]) ).

thf(1276,plain,
    ! [SV54: $i,SV175: $i] :
      ( ( ( ~ ( element @ SV175 @ SV54 )
          | ( v1_xcmplx_0 @ SV175 ) )
        = $true )
      | ( ( v1_membered @ SV54 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1174]) ).

thf(1277,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1175]) ).

thf(1278,plain,
    ! [SV156: $i,SV55: $i,SV122: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV122 @ ( powerset @ SV55 ) )
                | ~ ( element @ SV156 @ ( powerset @ SV55 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1177]) ).

thf(1279,plain,
    ( ( ~ ( one_sorted_str @ sK3_SX0 )
      | ~ ~ ( empty_carrier @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1178]) ).

thf(1280,plain,
    ! [SV123: $i,SV57: $i,SV157: $i] :
      ( ( ( ~ ( element @ SV157 @ ( powerset @ ( cartesian_product2 @ SV57 @ SV123 ) ) ) )
        = $true )
      | ( ( relation @ SV157 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1180]) ).

thf(1281,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ~ ( ~ ( subset @ SV59 @ ( singleton @ SV124 ) )
            | ( SV59 = empty_set )
            | ( SV59
              = ( singleton @ SV124 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1182]) ).

thf(1282,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ~ ( ~ ( ( SV59 = empty_set )
                | ( SV59
                  = ( singleton @ SV124 ) ) )
            | ( subset @ SV59 @ ( singleton @ SV124 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1182]) ).

thf(1283,plain,
    ! [SV125: $i,SV60: $i] :
      ( ( ( element @ SV60 @ SV125 )
        = $false )
      | ( ( ( empty @ SV125 )
          | ( in @ SV60 @ SV125 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1183]) ).

thf(1284,plain,
    ! [SV62: $i,SV126: $i] :
      ( ( ( element @ SV126 @ ( powerset @ ( powerset @ SV62 ) ) )
        = $false )
      | ( ( element @ ( complements_of_subsets @ SV62 @ SV126 ) @ ( powerset @ ( powerset @ SV62 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1185]) ).

thf(1285,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                                  | ~ ( meet_commutative @ SV63 ) )
                            | ~ ( meet_semilatt_str @ SV63 ) )
                      | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
                | ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1186]) ).

thf(1286,plain,
    ! [SV64: $i,SV128: $i] :
      ( ( ( element @ SV128 @ ( powerset @ ( powerset @ SV64 ) ) )
        = $false )
      | ( ( ( complements_of_subsets @ SV64 @ ( complements_of_subsets @ SV64 @ SV128 ) )
          = SV128 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1187]) ).

thf(1287,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ~ ( ( ( set_difference @ SV65 @ SV129 )
             != empty_set )
            | ( subset @ SV65 @ SV129 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1188]) ).

thf(1288,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ~ ( ~ ( subset @ SV65 @ SV129 )
            | ( ( set_difference @ SV65 @ SV129 )
              = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1188]) ).

thf(1289,plain,
    ! [SV159: $i,SV66: $i,SV130: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV130 @ ( powerset @ SV66 ) )
                | ~ ( element @ SV159 @ ( powerset @ SV66 ) ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1189]) ).

thf(1290,plain,
    ! [SV67: $i,SV176: $i] :
      ( ( ( ~ ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
          | ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 )
                  | ( ( cast_as_carrier_subset @ SV67 )
                    = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) ) )
              | ~ ( ( ( cast_as_carrier_subset @ SV67 )
                   != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
                  | ( is_a_cover_of_carrier @ SV67 @ SV176 ) ) ) )
        = $true )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1190]) ).

thf(1291,plain,
    ! [SV68: $i] :
      ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
                        | ~ ! [SY374: $i,SY375: $i] :
                              ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                                    | ~ ( subset @ SY375 @ SY374 ) )
                              | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
                  | ~ ! [SY376: $i] :
                        ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
                        | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) )
            | ~ ! [SY377: $i] :
                  ~ ~ ( ~ ~ ( ~ ( subset @ SY377 @ ( sK6_SY295 @ SV68 ) )
                            | ~ ~ ( are_equipotent @ SY377 @ ( sK6_SY295 @ SV68 ) ) )
                      | ~ ~ ( in @ SY377 @ ( sK6_SY295 @ SV68 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1191]) ).

thf(1292,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false )
      | ( ( ~ ~ ( ~ ( ( SV131 != empty_set ) )
                | ( ( complements_of_subsets @ SV69 @ SV131 )
                 != empty_set ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1192]) ).

thf(1293,plain,
    ! [SV71: $i,SV177: $i] :
      ( ( ( ~ ( element @ SV177 @ ( powerset @ ( the_carrier @ SV71 ) ) )
          | ( subset @ SV177 @ ( topstr_closure @ SV71 @ SV177 ) ) )
        = $true )
      | ( ( top_str @ SV71 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1194]) ).

thf(1294,plain,
    ! [SV72: $i,SV132: $i] :
      ( ( ( element @ SV132 @ ( powerset @ SV72 ) )
        = $false )
      | ( ( element @ ( subset_complement @ SV72 @ SV132 ) @ ( powerset @ SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1197]) ).

thf(1295,plain,
    ! [SV73: $i,SV133: $i] :
      ( ( ( element @ SV133 @ ( powerset @ SV73 ) )
        = $false )
      | ( ( ( subset_complement @ SV73 @ ( subset_complement @ SV73 @ SV133 ) )
          = SV133 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1198]) ).

thf(1296,plain,
    ! [SV74: $i,SV178: $i] :
      ( ( ( ~ ( element @ SV178 @ ( powerset @ SV74 ) )
          | ( finite @ SV178 ) )
        = $true )
      | ( ( finite @ SV74 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1199]) ).

thf(1297,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                                  | ~ ( join_commutative @ SV75 ) )
                            | ~ ( join_semilatt_str @ SV75 ) )
                      | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
                | ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1200]) ).

thf(1298,plain,
    ! [SV161: $i,SV76: $i,SV135: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV135 @ ( powerset @ SV76 ) )
                | ~ ( element @ SV161 @ ( powerset @ SV76 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1201]) ).

thf(1299,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV77 @ SV136 )
                  | ~ ( element @ SV136 @ ( powerset @ SV162 ) ) )
            | ~ ( empty @ SV162 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1202]) ).

thf(1300,plain,
    ! [SV78: $i,SV179: $i] :
      ( ( ( ~ ( element @ SV179 @ ( powerset @ ( the_carrier @ SV78 ) ) )
          | ( ( subset_complement @ ( the_carrier @ SV78 ) @ SV179 )
            = ( subset_difference @ ( the_carrier @ SV78 ) @ ( cast_as_carrier_subset @ SV78 ) @ SV179 ) ) )
        = $true )
      | ( ( one_sorted_str @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1203]) ).

thf(1301,plain,
    ! [SV79: $i,SV137: $i] :
      ( ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( ! [SY365: $i] :
              ( ~ ( element @ SY365 @ ( powerset @ ( powerset @ SV79 ) ) )
              | ~ ( ~ ( ( SY365
                       != ( complements_of_subsets @ SV79 @ SV137 ) )
                      | ! [SY366: $i] :
                          ( ~ ( element @ SY366 @ ( powerset @ SV79 ) )
                          | ~ ( ~ ( ~ ( in @ SY366 @ SY365 )
                                  | ( in @ ( subset_complement @ SV79 @ SY366 ) @ SV137 ) )
                              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY366 ) @ SV137 )
                                  | ( in @ SY366 @ SY365 ) ) ) ) )
                  | ~ ( ~ ! [SY367: $i] :
                            ( ~ ( element @ SY367 @ ( powerset @ SV79 ) )
                            | ~ ( ~ ( ~ ( in @ SY367 @ SY365 )
                                    | ( in @ ( subset_complement @ SV79 @ SY367 ) @ SV137 ) )
                                | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY367 ) @ SV137 )
                                    | ( in @ SY367 @ SY365 ) ) ) )
                      | ( SY365
                        = ( complements_of_subsets @ SV79 @ SV137 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1204]) ).

thf(1302,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                            | ~ ( meet_semilatt_str @ SV80 ) )
                      | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
                | ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1205]) ).

thf(1303,plain,
    ! [SV81: $i] :
      ( ( ~ ( ~ ( element @ ( sK7_SY318 @ SV81 ) @ ( powerset @ SV81 ) )
            | ~ ( empty @ ( sK7_SY318 @ SV81 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1206]) ).

thf(1304,plain,
    ! [SV82: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV82 )
          | ~ ( one_sorted_str @ SV82 ) )
        = $true )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1208]) ).

thf(1305,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                                  | ~ ( meet_commutative @ SV84 ) )
                            | ~ ( meet_semilatt_str @ SV84 ) )
                      | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
                | ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1209]) ).

thf(1306,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                            | ~ ( join_semilatt_str @ SV85 ) )
                      | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
                | ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1210]) ).

thf(1307,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ~ ( ~ ( subset @ SV86 @ ( singleton @ SV141 ) )
            | ( SV86 = empty_set )
            | ( SV86
              = ( singleton @ SV141 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1211]) ).

thf(1308,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ~ ( ~ ( ( SV86 = empty_set )
                | ( SV86
                  = ( singleton @ SV141 ) ) )
            | ( subset @ SV86 @ ( singleton @ SV141 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1211]) ).

thf(1309,plain,
    ! [SV87: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV87 )
          | ~ ( join_semilatt_str @ SV87 ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1212]) ).

thf(1310,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( ( ( relation_dom @ SV89 )
                = empty_set )
              | ( ( relation_rng @ SV89 )
                = empty_set ) ) )
        = $true )
      | ( ( SV89 = empty_set )
        = $true )
      | ( ( relation @ SV89 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1214]) ).

thf(1311,plain,
    ! [SV142: $i,SV90: $i] :
      ( ( ( in @ SV90 @ SV142 )
        = $false )
      | ( ( element @ SV90 @ SV142 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1215]) ).

thf(1312,plain,
    ! [SV91: $i,SV180: $i] :
      ( ( ( ~ ( element @ SV180 @ ( powerset @ ( the_carrier @ SV91 ) ) )
          | ( ( subset_intersection2 @ ( the_carrier @ SV91 ) @ SV180 @ ( cast_as_carrier_subset @ SV91 ) )
            = SV180 ) )
        = $true )
      | ( ( one_sorted_str @ SV91 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1216]) ).

thf(1313,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ~ ( ~ ~ ( empty @ SV92 )
            | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                    | ( in @ SV143 @ SV92 ) )
                | ~ ( ~ ( in @ SV143 @ SV92 )
                    | ( element @ SV143 @ SV92 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1217]) ).

thf(1314,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ~ ( ~ ( empty @ SV92 )
            | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                    | ( empty @ SV143 ) )
                | ~ ( ~ ( empty @ SV143 )
                    | ( element @ SV143 @ SV92 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1217]) ).

thf(1315,plain,
    ! [SV93: $i,SV144: $i] :
      ( ( ( element @ SV144 @ ( powerset @ ( powerset @ SV93 ) ) )
        = $false )
      | ( ( ( meet_of_subsets @ SV93 @ SV144 )
          = ( set_meet @ SV144 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1218]) ).

thf(1316,plain,
    ! [SV94: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV94 )
          | ~ ( one_sorted_str @ SV94 ) )
        = $true )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1219]) ).

thf(1317,plain,
    ! [SV95: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV95 )
          | ~ ( one_sorted_str @ SV95 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1220]) ).

thf(1318,plain,
    ! [SV145: $i,SV96: $i] :
      ( ( ( ! [SY371: $i] :
              ( ~ ( in @ SY371 @ SV96 )
              | ( in @ SY371 @ SV145 ) ) )
        = $false )
      | ( ( element @ SV96 @ ( powerset @ SV145 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1221]) ).

thf(1319,plain,
    ! [SV146: $i,SV98: $i,SV166: $i] :
      ( ( ( ~ ( relation_of2 @ SV166 @ SV98 @ SV146 ) )
        = $true )
      | ( ( element @ ( relation_rng_as_subset @ SV98 @ SV146 @ SV166 ) @ ( powerset @ SV146 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1223]) ).

thf(1320,plain,
    ! [SV147: $i,SV99: $i,SV167: $i] :
      ( ( ( ~ ( relation_of2_as_subset @ SV167 @ SV99 @ SV147 ) )
        = $true )
      | ( ( element @ SV167 @ ( powerset @ ( cartesian_product2 @ SV99 @ SV147 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1224]) ).

thf(1321,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ~ ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
          | ~ ~ ( ~ ( ( SV181 != empty_set ) )
                | ~ ! [SY378: $i] :
                      ~ ~ ( ~ ( in @ SY378 @ SV181 )
                          | ~ ! [SY379: $i] :
                                ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                      | ~ ( subset @ SY378 @ SY379 ) )
                                | ( SY379 = SY378 ) ) ) ) )
        = $true )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1225]) ).

thf(1322,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( element @ SV168 @ ( powerset @ SV10 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( v1_membered @ SV168 )
                    | ~ ( v2_membered @ SV168 ) )
              | ~ ( v3_membered @ SV168 ) ) )
        = $true )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1229]) ).

thf(1323,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ~ ( ( SV11 != empty_set ) )
        | ~ ( ~ ( ( SV102
                 != ( set_meet @ SV11 ) )
                | ! [SY340: $i] :
                    ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                          | ! [SY223: $i] :
                              ( ~ ( in @ SY223 @ SV11 )
                              | ( in @ SY340 @ SY223 ) ) )
                      | ~ ( ~ ! [SY224: $i] :
                                ( ~ ( in @ SY224 @ SV11 )
                                | ( in @ SY340 @ SY224 ) )
                          | ( in @ SY340 @ SV102 ) ) ) )
            | ~ ( ~ ! [SY343: $i] :
                      ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                            | ! [SY226: $i] :
                                ( ~ ( in @ SY226 @ SV11 )
                                | ( in @ SY343 @ SY226 ) ) )
                        | ~ ( ~ ! [SY227: $i] :
                                  ( ~ ( in @ SY227 @ SV11 )
                                  | ( in @ SY343 @ SY227 ) )
                            | ( in @ SY343 @ SV102 ) ) )
                | ( SV102
                  = ( set_meet @ SV11 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1230]) ).

thf(1324,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( SV11 != empty_set )
        | ~ ( ~ ( ( SV102
                 != ( set_meet @ SV11 ) )
                | ( SV102 = empty_set ) )
            | ~ ( ( SV102 != empty_set )
                | ( SV102
                  = ( set_meet @ SV11 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1231]) ).

thf(1325,plain,
    ! [SV103: $i,SV13: $i] :
      ( ( ( ~ ( top_str @ SV13 )
          | ~ ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
        = $true )
      | ( ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1232]) ).

thf(1326,plain,
    ! [SV148: $i,SV14: $i,SV104: $i] :
      ( ( ( ~ ( ~ ( element @ SV104 @ ( powerset @ SV14 ) )
              | ~ ( element @ SV148 @ ( powerset @ SV14 ) ) ) )
        = $false )
      | ( ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1233]) ).

thf(1327,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( ~ ( element @ SV169 @ SV15 ) )
        = $true )
      | ( ( ~ ( ~ ( v1_xcmplx_0 @ SV169 )
              | ~ ( v1_xreal_0 @ SV169 ) ) )
        = $true )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1234]) ).

thf(1328,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                                | ~ ( join_commutative @ SV16 ) )
                          | ~ ( join_semilatt_str @ SV16 ) )
                    | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
              | ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) ) )
        = $false )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1235]) ).

thf(1329,plain,
    ! [SV106: $i,SV17: $i,SV150: $i] :
      ( ( ( element @ SV150 @ ( powerset @ SV17 ) )
        = $false )
      | ( ( ~ ~ ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
                | ~ ( in @ SV106 @ SV150 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1236]) ).

thf(1330,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( topological_space @ SV18 ) )
        = $true )
      | ( ( ~ ( top_str @ SV18 ) )
        = $true )
      | ( ( ~ ! [SY236: $i] :
                ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                    | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1237]) ).

thf(1331,plain,
    ! [SV107: $i,SV19: $i,SV151: $i] :
      ( ( ( relation_of2 @ SV151 @ SV19 @ SV107 )
        = $false )
      | ( ( element @ ( relation_dom_as_subset @ SV19 @ SV107 @ SV151 ) @ ( powerset @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1238]) ).

thf(1332,plain,
    ! [SV20: $i,SV170: $i] :
      ( ( ( ~ ( element @ SV170 @ ( powerset @ ( the_carrier @ SV20 ) ) ) )
        = $true )
      | ( ( subset @ ( interior @ SV20 @ SV170 ) @ SV170 )
        = $true )
      | ( ( top_str @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1239]) ).

thf(1333,plain,
    ! [SV152: $i,SV21: $i,SV108: $i] :
      ( ( ( ~ ( ~ ( element @ SV108 @ ( powerset @ SV21 ) )
              | ~ ( element @ SV152 @ ( powerset @ SV21 ) ) ) )
        = $false )
      | ( ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1240]) ).

thf(1334,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( ( ( relation_dom @ SV22 )
               != empty_set )
              | ( ( relation_rng @ SV22 )
                = empty_set ) ) )
        = $false )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1241]) ).

thf(1335,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( ( ( relation_rng @ SV22 )
               != empty_set )
              | ( ( relation_dom @ SV22 )
                = empty_set ) ) )
        = $false )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1241]) ).

thf(1336,plain,
    ! [SV23: $i] :
      ( ( ( ! [SY242: $i,SY243: $i] :
              ~ ( in @ ( ordered_pair @ SY242 @ SY243 ) @ SV23 ) )
        = $false )
      | ( ( SV23 = empty_set )
        = $true )
      | ( ( relation @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1242]) ).

thf(1337,plain,
    ! [SV26: $i,SV109: $i,SV182: $i] :
      ( ( ( ~ ( in @ SV182 @ SV109 )
          | ( in @ SV182 @ SV26 ) )
        = $true )
      | ( ( element @ SV109 @ ( powerset @ SV26 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1243]) ).

thf(1338,plain,
    ! [SV27: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV27 ) )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV27 ) )
        = $true )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1244]) ).

thf(1339,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ~ ( disjoint @ SV28 @ SV110 )
        | ( ( set_intersection2 @ SV28 @ SV110 )
          = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1245]) ).

thf(1340,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ( ( set_intersection2 @ SV28 @ SV110 )
         != empty_set )
        | ( disjoint @ SV28 @ SV110 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1246]) ).

thf(1341,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ( ( set_difference @ SV29 @ SV111 )
         != empty_set )
        | ( subset @ SV29 @ SV111 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1247]) ).

thf(1342,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ~ ( subset @ SV29 @ SV111 )
        | ( ( set_difference @ SV29 @ SV111 )
          = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1248]) ).

thf(1343,plain,
    ( ( ~ ( is_a_cover_of_carrier @ sK1_A @ sK2_SX0 )
      | ( sK2_SX0 != empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1251]) ).

thf(1344,plain,
    ! [SV31: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV31 )
                | ~ ( join_commutative @ SV31 ) ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1252]) ).

thf(1345,plain,
    ! [SV33: $i] :
      ( ( ( ! [SY253: $i] :
              ~ ~ ( ~ ( element @ SY253 @ ( powerset @ SV33 ) )
                  | ~ ~ ( empty @ SY253 ) ) )
        = $false )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1253]) ).

thf(1346,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ~ ( element @ SV34 @ ( powerset @ SV113 ) )
        | ( subset @ SV34 @ SV113 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1254]) ).

thf(1347,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ~ ( subset @ SV34 @ SV113 )
        | ( element @ SV34 @ ( powerset @ SV113 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1255]) ).

thf(1348,plain,
    ! [SV114: $i,SV35: $i] :
      ( ( ( ~ ( top_str @ SV35 )
          | ~ ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) ) )
        = $true )
      | ( ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1256]) ).

thf(1349,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( ~ ( empty_carrier @ SV37 )
              | ( empty @ ( the_carrier @ SV37 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1257]) ).

thf(1350,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( ~ ( empty @ ( the_carrier @ SV37 ) )
              | ( empty_carrier @ SV37 ) ) )
        = $false )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1257]) ).

thf(1351,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( ~ ( element @ SV171 @ ( powerset @ SV39 ) ) )
        = $true )
      | ( ( ~ ( ~ ( v1_membered @ SV171 )
              | ~ ( v2_membered @ SV171 ) ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1259]) ).

thf(1352,plain,
    ! [SV40: $i] :
      ( ( ( SV40 != empty_set )
        = $true )
      | ( ( ! [SY258: $i] :
              ~ ( in @ SY258 @ SV40 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1260]) ).

thf(1353,plain,
    ! [SV40: $i] :
      ( ( ( ~ ! [SY259: $i] :
                ~ ( in @ SY259 @ SV40 ) )
        = $true )
      | ( ( SV40 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1261]) ).

thf(1354,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( topological_space @ SV41 ) )
        = $true )
      | ( ( ~ ( top_str @ SV41 ) )
        = $true )
      | ( ( ~ ! [SY260: $i] :
                ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                    | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1262]) ).

thf(1355,plain,
    ! [SV42: $i,SV172: $i] :
      ( ( ( ~ ( element @ SV172 @ ( powerset @ ( the_carrier @ SV42 ) ) ) )
        = $true )
      | ( ( ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ SV172 ) )
          = SV172 )
        = $true )
      | ( ( one_sorted_str @ SV42 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1263]) ).

thf(1356,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ( SV116
         != ( powerset @ SV43 ) )
        | ! [SY352: $i] :
            ~ ( ~ ( ~ ( in @ SY352 @ SV116 )
                  | ( subset @ SY352 @ SV43 ) )
              | ~ ( ~ ( subset @ SY352 @ SV43 )
                  | ( in @ SY352 @ SV116 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1264]) ).

thf(1357,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ~ ! [SY353: $i] :
              ~ ( ~ ( ~ ( in @ SY353 @ SV116 )
                    | ( subset @ SY353 @ SV43 ) )
                | ~ ( ~ ( subset @ SY353 @ SV43 )
                    | ( in @ SY353 @ SV116 ) ) )
        | ( SV116
          = ( powerset @ SV43 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1265]) ).

thf(1358,plain,
    ! [SV44: $i] :
      ( ( ( ! [SY265: $i] :
              ~ ~ ( ~ ~ ( ~ ( element @ SY265 @ ( powerset @ SV44 ) )
                        | ~ ~ ( empty @ SY265 ) )
                  | ~ ( finite @ SY265 ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1266]) ).

thf(1359,plain,
    ! [SV45: $i,SV173: $i] :
      ( ( ( ~ ( element @ SV173 @ ( powerset @ SV45 ) ) )
        = $true )
      | ( ( v1_membered @ SV173 )
        = $true )
      | ( ( v1_membered @ SV45 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1267]) ).

thf(1360,plain,
    ! [SV117: $i,SV46: $i,SV183: $i] :
      ( ( ( ~ ( element @ SV183 @ ( powerset @ SV46 ) )
          | ~ ( ~ ( ~ ( disjoint @ SV117 @ SV183 )
                  | ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) )
              | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
                  | ( disjoint @ SV117 @ SV183 ) ) ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1268]) ).

thf(1361,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( element @ SV174 @ SV47 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( epsilon_transitive @ SV174 )
                    | ~ ( epsilon_connected @ SV174 ) )
              | ~ ( ordinal @ SV174 ) ) )
        = $true )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1269]) ).

thf(1362,plain,
    ! [SV48: $i,SV184: $i] :
      ( ( ( ~ ( element @ SV184 @ ( powerset @ SV48 ) )
          | ! [SY380: $i] :
              ( ~ ( element @ SY380 @ SV48 )
              | ~ ~ ( in @ SY380 @ SV184 )
              | ( in @ SY380 @ ( subset_complement @ SV48 @ SV184 ) ) ) )
        = $true )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1270]) ).

thf(1363,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( ( SV118 != empty_set )
                      | ( SV50 = empty_set ) )
                  | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                          | ( SV50
                            = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
                      | ~ ( ( SV50
                           != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                          | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
              | ~ ( ( SV118 != empty_set )
                  | ( SV50 = empty_set )
                  | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                          | ( SV153 = empty_set ) )
                      | ~ ( ( SV153 != empty_set )
                          | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1272]) ).

thf(1364,plain,
    ! [SV154: $i,SV119: $i,SV51: $i] :
      ( ( ( ~ ( ~ ( in @ SV51 @ SV119 )
              | ~ ( element @ SV119 @ ( powerset @ SV154 ) ) ) )
        = $false )
      | ( ( element @ SV51 @ SV154 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1273]) ).

thf(1365,plain,
    ! [SV155: $i,SV53: $i,SV121: $i] :
      ( ( ( ~ ( ~ ( element @ SV121 @ ( powerset @ SV53 ) )
              | ~ ( element @ SV155 @ ( powerset @ SV53 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1275]) ).

thf(1366,plain,
    ! [SV54: $i,SV175: $i] :
      ( ( ( ~ ( element @ SV175 @ SV54 ) )
        = $true )
      | ( ( v1_xcmplx_0 @ SV175 )
        = $true )
      | ( ( v1_membered @ SV54 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1276]) ).

thf(1367,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1277]) ).

thf(1368,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1277]) ).

thf(1369,plain,
    ! [SV156: $i,SV55: $i,SV122: $i] :
      ( ( ( ~ ( ~ ( element @ SV122 @ ( powerset @ SV55 ) )
              | ~ ( element @ SV156 @ ( powerset @ SV55 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1278]) ).

thf(1370,plain,
    ( ( ~ ( one_sorted_str @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1279]) ).

thf(1371,plain,
    ( ( ~ ~ ( empty_carrier @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1279]) ).

thf(1372,plain,
    ! [SV123: $i,SV57: $i,SV157: $i] :
      ( ( ( element @ SV157 @ ( powerset @ ( cartesian_product2 @ SV57 @ SV123 ) ) )
        = $false )
      | ( ( relation @ SV157 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1280]) ).

thf(1373,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ~ ( subset @ SV59 @ ( singleton @ SV124 ) )
        | ( SV59 = empty_set )
        | ( SV59
          = ( singleton @ SV124 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1281]) ).

thf(1374,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ~ ( ( SV59 = empty_set )
            | ( SV59
              = ( singleton @ SV124 ) ) )
        | ( subset @ SV59 @ ( singleton @ SV124 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1282]) ).

thf(1375,plain,
    ! [SV60: $i,SV125: $i] :
      ( ( ( empty @ SV125 )
        = $true )
      | ( ( in @ SV60 @ SV125 )
        = $true )
      | ( ( element @ SV60 @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1283]) ).

thf(1376,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                                | ~ ( meet_commutative @ SV63 ) )
                          | ~ ( meet_semilatt_str @ SV63 ) )
                    | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
              | ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) ) )
        = $false )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1285]) ).

thf(1377,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ( ( set_difference @ SV65 @ SV129 )
         != empty_set )
        | ( subset @ SV65 @ SV129 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1287]) ).

thf(1378,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ~ ( subset @ SV65 @ SV129 )
        | ( ( set_difference @ SV65 @ SV129 )
          = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1288]) ).

thf(1379,plain,
    ! [SV159: $i,SV66: $i,SV130: $i] :
      ( ( ( ~ ( ~ ( element @ SV130 @ ( powerset @ SV66 ) )
              | ~ ( element @ SV159 @ ( powerset @ SV66 ) ) ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1289]) ).

thf(1380,plain,
    ! [SV67: $i,SV176: $i] :
      ( ( ( ~ ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 )
                  | ( ( cast_as_carrier_subset @ SV67 )
                    = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) ) )
              | ~ ( ( ( cast_as_carrier_subset @ SV67 )
                   != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
                  | ( is_a_cover_of_carrier @ SV67 @ SV176 ) ) ) )
        = $true )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1290]) ).

thf(1381,plain,
    ! [SV68: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
                    | ~ ! [SY374: $i,SY375: $i] :
                          ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                                | ~ ( subset @ SY375 @ SY374 ) )
                          | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
              | ~ ! [SY376: $i] :
                    ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
                    | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) )
        | ~ ! [SY377: $i] :
              ~ ~ ( ~ ~ ( ~ ( subset @ SY377 @ ( sK6_SY295 @ SV68 ) )
                        | ~ ~ ( are_equipotent @ SY377 @ ( sK6_SY295 @ SV68 ) ) )
                  | ~ ~ ( in @ SY377 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1291]) ).

thf(1382,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( ~ ( ~ ( ( SV131 != empty_set ) )
              | ( ( complements_of_subsets @ SV69 @ SV131 )
               != empty_set ) ) )
        = $false )
      | ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1292]) ).

thf(1383,plain,
    ! [SV71: $i,SV177: $i] :
      ( ( ( ~ ( element @ SV177 @ ( powerset @ ( the_carrier @ SV71 ) ) ) )
        = $true )
      | ( ( subset @ SV177 @ ( topstr_closure @ SV71 @ SV177 ) )
        = $true )
      | ( ( top_str @ SV71 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1293]) ).

thf(1384,plain,
    ! [SV74: $i,SV178: $i] :
      ( ( ( ~ ( element @ SV178 @ ( powerset @ SV74 ) ) )
        = $true )
      | ( ( finite @ SV178 )
        = $true )
      | ( ( finite @ SV74 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1296]) ).

thf(1385,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                                | ~ ( join_commutative @ SV75 ) )
                          | ~ ( join_semilatt_str @ SV75 ) )
                    | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
              | ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) ) )
        = $false )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1297]) ).

thf(1386,plain,
    ! [SV161: $i,SV76: $i,SV135: $i] :
      ( ( ( ~ ( ~ ( element @ SV135 @ ( powerset @ SV76 ) )
              | ~ ( element @ SV161 @ ( powerset @ SV76 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1298]) ).

thf(1387,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ~ ~ ( ~ ( in @ SV77 @ SV136 )
              | ~ ( element @ SV136 @ ( powerset @ SV162 ) ) )
        | ~ ( empty @ SV162 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1299]) ).

thf(1388,plain,
    ! [SV78: $i,SV179: $i] :
      ( ( ( ~ ( element @ SV179 @ ( powerset @ ( the_carrier @ SV78 ) ) ) )
        = $true )
      | ( ( ( subset_complement @ ( the_carrier @ SV78 ) @ SV179 )
          = ( subset_difference @ ( the_carrier @ SV78 ) @ ( cast_as_carrier_subset @ SV78 ) @ SV179 ) )
        = $true )
      | ( ( one_sorted_str @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1300]) ).

thf(1389,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( ~ ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
          | ~ ( ~ ( ( SV185
                   != ( complements_of_subsets @ SV79 @ SV137 ) )
                  | ! [SY381: $i] :
                      ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
                      | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                              | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                          | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                              | ( in @ SY381 @ SV185 ) ) ) ) )
              | ~ ( ~ ! [SY382: $i] :
                        ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                        | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                                | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                                | ( in @ SY382 @ SV185 ) ) ) )
                  | ( SV185
                    = ( complements_of_subsets @ SV79 @ SV137 ) ) ) ) )
        = $true )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1301]) ).

thf(1390,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                          | ~ ( meet_semilatt_str @ SV80 ) )
                    | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
              | ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) ) )
        = $false )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1302]) ).

thf(1391,plain,
    ! [SV81: $i] :
      ( ( ~ ( element @ ( sK7_SY318 @ SV81 ) @ ( powerset @ SV81 ) )
        | ~ ( empty @ ( sK7_SY318 @ SV81 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1303]) ).

thf(1392,plain,
    ! [SV82: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV82 ) )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV82 ) )
        = $true )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1304]) ).

thf(1393,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                                | ~ ( meet_commutative @ SV84 ) )
                          | ~ ( meet_semilatt_str @ SV84 ) )
                    | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
              | ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) ) )
        = $false )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1305]) ).

thf(1394,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                          | ~ ( join_semilatt_str @ SV85 ) )
                    | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
              | ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) ) )
        = $false )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1306]) ).

thf(1395,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ~ ( subset @ SV86 @ ( singleton @ SV141 ) )
        | ( SV86 = empty_set )
        | ( SV86
          = ( singleton @ SV141 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1307]) ).

thf(1396,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ~ ( ( SV86 = empty_set )
            | ( SV86
              = ( singleton @ SV141 ) ) )
        | ( subset @ SV86 @ ( singleton @ SV141 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1308]) ).

thf(1397,plain,
    ! [SV87: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV87 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV87 ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1309]) ).

thf(1398,plain,
    ! [SV89: $i] :
      ( ( ( ( ( relation_dom @ SV89 )
            = empty_set )
          | ( ( relation_rng @ SV89 )
            = empty_set ) )
        = $false )
      | ( ( SV89 = empty_set )
        = $true )
      | ( ( relation @ SV89 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1310]) ).

thf(1399,plain,
    ! [SV91: $i,SV180: $i] :
      ( ( ( ~ ( element @ SV180 @ ( powerset @ ( the_carrier @ SV91 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ ( the_carrier @ SV91 ) @ SV180 @ ( cast_as_carrier_subset @ SV91 ) )
          = SV180 )
        = $true )
      | ( ( one_sorted_str @ SV91 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1312]) ).

thf(1400,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ~ ~ ( empty @ SV92 )
        | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                | ( in @ SV143 @ SV92 ) )
            | ~ ( ~ ( in @ SV143 @ SV92 )
                | ( element @ SV143 @ SV92 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1313]) ).

thf(1401,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ~ ( empty @ SV92 )
        | ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                | ( empty @ SV143 ) )
            | ~ ( ~ ( empty @ SV143 )
                | ( element @ SV143 @ SV92 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1314]) ).

thf(1402,plain,
    ! [SV94: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV94 ) )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV94 ) )
        = $true )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1316]) ).

thf(1403,plain,
    ! [SV95: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV95 ) )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV95 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1317]) ).

thf(1404,plain,
    ! [SV96: $i,SV145: $i] :
      ( ( ( ~ ( in @ ( sK8_SY371 @ SV145 @ SV96 ) @ SV96 )
          | ( in @ ( sK8_SY371 @ SV145 @ SV96 ) @ SV145 ) )
        = $false )
      | ( ( element @ SV96 @ ( powerset @ SV145 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1318]) ).

thf(1405,plain,
    ! [SV146: $i,SV98: $i,SV166: $i] :
      ( ( ( relation_of2 @ SV166 @ SV98 @ SV146 )
        = $false )
      | ( ( element @ ( relation_rng_as_subset @ SV98 @ SV146 @ SV166 ) @ ( powerset @ SV146 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1319]) ).

thf(1406,plain,
    ! [SV147: $i,SV99: $i,SV167: $i] :
      ( ( ( relation_of2_as_subset @ SV167 @ SV99 @ SV147 )
        = $false )
      | ( ( element @ SV167 @ ( powerset @ ( cartesian_product2 @ SV99 @ SV147 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1320]) ).

thf(1407,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ~ ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( ( SV181 != empty_set ) )
                | ~ ! [SY378: $i] :
                      ~ ~ ( ~ ( in @ SY378 @ SV181 )
                          | ~ ! [SY379: $i] :
                                ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                      | ~ ( subset @ SY378 @ SY379 ) )
                                | ( SY379 = SY378 ) ) ) ) )
        = $true )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1321]) ).

thf(1408,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( v1_membered @ SV168 )
                    | ~ ( v2_membered @ SV168 ) )
              | ~ ( v3_membered @ SV168 ) ) )
        = $true )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1322]) ).

thf(1409,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ( ( SV11 != empty_set ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV102
                   != ( set_meet @ SV11 ) )
                  | ! [SY340: $i] :
                      ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                            | ! [SY223: $i] :
                                ( ~ ( in @ SY223 @ SV11 )
                                | ( in @ SY340 @ SY223 ) ) )
                        | ~ ( ~ ! [SY224: $i] :
                                  ( ~ ( in @ SY224 @ SV11 )
                                  | ( in @ SY340 @ SY224 ) )
                            | ( in @ SY340 @ SV102 ) ) ) )
              | ~ ( ~ ! [SY343: $i] :
                        ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                              | ! [SY226: $i] :
                                  ( ~ ( in @ SY226 @ SV11 )
                                  | ( in @ SY343 @ SY226 ) ) )
                          | ~ ( ~ ! [SY227: $i] :
                                    ( ~ ( in @ SY227 @ SV11 )
                                    | ( in @ SY343 @ SY227 ) )
                              | ( in @ SY343 @ SV102 ) ) )
                  | ( SV102
                    = ( set_meet @ SV11 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1323]) ).

thf(1410,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( SV11 != empty_set )
        = $true )
      | ( ( ~ ( ~ ( ( SV102
                   != ( set_meet @ SV11 ) )
                  | ( SV102 = empty_set ) )
              | ~ ( ( SV102 != empty_set )
                  | ( SV102
                    = ( set_meet @ SV11 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1324]) ).

thf(1411,plain,
    ! [SV103: $i,SV13: $i] :
      ( ( ( ~ ( top_str @ SV13 ) )
        = $true )
      | ( ( ~ ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
        = $true )
      | ( ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1325]) ).

thf(1412,plain,
    ! [SV148: $i,SV14: $i,SV104: $i] :
      ( ( ( ~ ( element @ SV104 @ ( powerset @ SV14 ) )
          | ~ ( element @ SV148 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1326]) ).

thf(1413,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( element @ SV169 @ SV15 )
        = $false )
      | ( ( ~ ( ~ ( v1_xcmplx_0 @ SV169 )
              | ~ ( v1_xreal_0 @ SV169 ) ) )
        = $true )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1327]) ).

thf(1414,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                            | ~ ( join_commutative @ SV16 ) )
                      | ~ ( join_semilatt_str @ SV16 ) )
                | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
          | ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1328]) ).

thf(1415,plain,
    ! [SV150: $i,SV17: $i,SV106: $i] :
      ( ( ( ~ ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
              | ~ ( in @ SV106 @ SV150 ) ) )
        = $false )
      | ( ( element @ SV150 @ ( powerset @ SV17 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1329]) ).

thf(1416,plain,
    ! [SV18: $i] :
      ( ( ( topological_space @ SV18 )
        = $false )
      | ( ( ~ ( top_str @ SV18 ) )
        = $true )
      | ( ( ~ ! [SY236: $i] :
                ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                    | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1330]) ).

thf(1417,plain,
    ! [SV20: $i,SV170: $i] :
      ( ( ( element @ SV170 @ ( powerset @ ( the_carrier @ SV20 ) ) )
        = $false )
      | ( ( subset @ ( interior @ SV20 @ SV170 ) @ SV170 )
        = $true )
      | ( ( top_str @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1332]) ).

thf(1418,plain,
    ! [SV152: $i,SV21: $i,SV108: $i] :
      ( ( ( ~ ( element @ SV108 @ ( powerset @ SV21 ) )
          | ~ ( element @ SV152 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1333]) ).

thf(1419,plain,
    ! [SV22: $i] :
      ( ( ( ( ( relation_dom @ SV22 )
           != empty_set )
          | ( ( relation_rng @ SV22 )
            = empty_set ) )
        = $true )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1334]) ).

thf(1420,plain,
    ! [SV22: $i] :
      ( ( ( ( ( relation_rng @ SV22 )
           != empty_set )
          | ( ( relation_dom @ SV22 )
            = empty_set ) )
        = $true )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1335]) ).

thf(1421,plain,
    ! [SV23: $i] :
      ( ( ( ! [SY383: $i] :
              ~ ( in @ ( ordered_pair @ ( sK9_SY242 @ SV23 ) @ SY383 ) @ SV23 ) )
        = $false )
      | ( ( SV23 = empty_set )
        = $true )
      | ( ( relation @ SV23 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1336]) ).

thf(1422,plain,
    ! [SV26: $i,SV109: $i,SV182: $i] :
      ( ( ( ~ ( in @ SV182 @ SV109 ) )
        = $true )
      | ( ( in @ SV182 @ SV26 )
        = $true )
      | ( ( element @ SV109 @ ( powerset @ SV26 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1337]) ).

thf(1423,plain,
    ! [SV27: $i] :
      ( ( ( ~ ( empty_carrier @ SV27 ) )
        = $false )
      | ( ( ~ ( one_sorted_str @ SV27 ) )
        = $true )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1338]) ).

thf(1424,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ( ~ ( disjoint @ SV28 @ SV110 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV28 @ SV110 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1339]) ).

thf(1425,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ( ( set_intersection2 @ SV28 @ SV110 )
         != empty_set )
        = $true )
      | ( ( disjoint @ SV28 @ SV110 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1340]) ).

thf(1426,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ( ( set_difference @ SV29 @ SV111 )
         != empty_set )
        = $true )
      | ( ( subset @ SV29 @ SV111 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1341]) ).

thf(1427,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ( ~ ( subset @ SV29 @ SV111 ) )
        = $true )
      | ( ( ( set_difference @ SV29 @ SV111 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1342]) ).

thf(1428,plain,
    ( ( ~ ( is_a_cover_of_carrier @ sK1_A @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1343]) ).

thf(1429,plain,
    ( ( sK2_SX0 != empty_set )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1343]) ).

thf(1430,plain,
    ! [SV31: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV31 )
              | ~ ( join_commutative @ SV31 ) ) )
        = $false )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1344]) ).

thf(1431,plain,
    ! [SV33: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK10_SY253 @ SV33 ) @ ( powerset @ SV33 ) )
                | ~ ~ ( empty @ ( sK10_SY253 @ SV33 ) ) ) )
        = $false )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1345]) ).

thf(1432,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ( ~ ( element @ SV34 @ ( powerset @ SV113 ) ) )
        = $true )
      | ( ( subset @ SV34 @ SV113 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1346]) ).

thf(1433,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ( ~ ( subset @ SV34 @ SV113 ) )
        = $true )
      | ( ( element @ SV34 @ ( powerset @ SV113 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1347]) ).

thf(1434,plain,
    ! [SV114: $i,SV35: $i] :
      ( ( ( ~ ( top_str @ SV35 ) )
        = $true )
      | ( ( ~ ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) ) )
        = $true )
      | ( ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1348]) ).

thf(1435,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( empty_carrier @ SV37 )
          | ( empty @ ( the_carrier @ SV37 ) ) )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1349]) ).

thf(1436,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( empty @ ( the_carrier @ SV37 ) )
          | ( empty_carrier @ SV37 ) )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1350]) ).

thf(1437,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( element @ SV171 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( ~ ( ~ ( v1_membered @ SV171 )
              | ~ ( v2_membered @ SV171 ) ) )
        = $true )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1351]) ).

thf(1438,plain,
    ! [SV40: $i] :
      ( ( ( SV40 = empty_set )
        = $false )
      | ( ( ! [SY258: $i] :
              ~ ( in @ SY258 @ SV40 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1352]) ).

thf(1439,plain,
    ! [SV40: $i] :
      ( ( ( ! [SY259: $i] :
              ~ ( in @ SY259 @ SV40 ) )
        = $false )
      | ( ( SV40 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1353]) ).

thf(1440,plain,
    ! [SV41: $i] :
      ( ( ( topological_space @ SV41 )
        = $false )
      | ( ( ~ ( top_str @ SV41 ) )
        = $true )
      | ( ( ~ ! [SY260: $i] :
                ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                    | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1354]) ).

thf(1441,plain,
    ! [SV42: $i,SV172: $i] :
      ( ( ( element @ SV172 @ ( powerset @ ( the_carrier @ SV42 ) ) )
        = $false )
      | ( ( ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ ( subset_difference @ ( the_carrier @ SV42 ) @ ( cast_as_carrier_subset @ SV42 ) @ SV172 ) )
          = SV172 )
        = $true )
      | ( ( one_sorted_str @ SV42 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1355]) ).

thf(1442,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ( SV116
         != ( powerset @ SV43 ) )
        = $true )
      | ( ( ! [SY352: $i] :
              ~ ( ~ ( ~ ( in @ SY352 @ SV116 )
                    | ( subset @ SY352 @ SV43 ) )
                | ~ ( ~ ( subset @ SY352 @ SV43 )
                    | ( in @ SY352 @ SV116 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1356]) ).

thf(1443,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ( ~ ! [SY353: $i] :
                ~ ( ~ ( ~ ( in @ SY353 @ SV116 )
                      | ( subset @ SY353 @ SV43 ) )
                  | ~ ( ~ ( subset @ SY353 @ SV43 )
                      | ( in @ SY353 @ SV116 ) ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1357]) ).

thf(1444,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
                      | ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) )
                | ~ ( finite @ ( sK11_SY265 @ SV44 ) ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1358]) ).

thf(1445,plain,
    ! [SV45: $i,SV173: $i] :
      ( ( ( element @ SV173 @ ( powerset @ SV45 ) )
        = $false )
      | ( ( v1_membered @ SV173 )
        = $true )
      | ( ( v1_membered @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1359]) ).

thf(1446,plain,
    ! [SV117: $i,SV46: $i,SV183: $i] :
      ( ( ( ~ ( element @ SV183 @ ( powerset @ SV46 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( disjoint @ SV117 @ SV183 )
                  | ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) )
              | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
                  | ( disjoint @ SV117 @ SV183 ) ) ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1360]) ).

thf(1447,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( epsilon_transitive @ SV174 )
                    | ~ ( epsilon_connected @ SV174 ) )
              | ~ ( ordinal @ SV174 ) ) )
        = $true )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1361]) ).

thf(1448,plain,
    ! [SV48: $i,SV184: $i] :
      ( ( ( ~ ( element @ SV184 @ ( powerset @ SV48 ) ) )
        = $true )
      | ( ( ! [SY380: $i] :
              ( ~ ( element @ SY380 @ SV48 )
              | ~ ~ ( in @ SY380 @ SV184 )
              | ( in @ SY380 @ ( subset_complement @ SV48 @ SV184 ) ) ) )
        = $true )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1362]) ).

thf(1449,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ~ ( ~ ( ( SV118 != empty_set )
                  | ( SV50 = empty_set ) )
              | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                      | ( SV50
                        = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
                  | ~ ( ( SV50
                       != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                      | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
          | ~ ( ( SV118 != empty_set )
              | ( SV50 = empty_set )
              | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                      | ( SV153 = empty_set ) )
                  | ~ ( ( SV153 != empty_set )
                      | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) ) )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1363]) ).

thf(1450,plain,
    ! [SV154: $i,SV119: $i,SV51: $i] :
      ( ( ( ~ ( in @ SV51 @ SV119 )
          | ~ ( element @ SV119 @ ( powerset @ SV154 ) ) )
        = $true )
      | ( ( element @ SV51 @ SV154 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1364]) ).

thf(1451,plain,
    ! [SV155: $i,SV53: $i,SV121: $i] :
      ( ( ( ~ ( element @ SV121 @ ( powerset @ SV53 ) )
          | ~ ( element @ SV155 @ ( powerset @ SV53 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1365]) ).

thf(1452,plain,
    ! [SV54: $i,SV175: $i] :
      ( ( ( element @ SV175 @ SV54 )
        = $false )
      | ( ( v1_xcmplx_0 @ SV175 )
        = $true )
      | ( ( v1_membered @ SV54 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1366]) ).

thf(1453,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1367]) ).

thf(1454,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1368]) ).

thf(1455,plain,
    ! [SV156: $i,SV55: $i,SV122: $i] :
      ( ( ( ~ ( element @ SV122 @ ( powerset @ SV55 ) )
          | ~ ( element @ SV156 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1369]) ).

thf(1456,plain,
    ( ( one_sorted_str @ sK3_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1370]) ).

thf(1457,plain,
    ( ( ~ ( empty_carrier @ sK3_SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1371]) ).

thf(1458,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( ~ ( subset @ SV59 @ ( singleton @ SV124 ) ) )
        = $true )
      | ( ( ( SV59 = empty_set )
          | ( SV59
            = ( singleton @ SV124 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1373]) ).

thf(1459,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( ~ ( ( SV59 = empty_set )
              | ( SV59
                = ( singleton @ SV124 ) ) ) )
        = $true )
      | ( ( subset @ SV59 @ ( singleton @ SV124 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1374]) ).

thf(1460,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                            | ~ ( meet_commutative @ SV63 ) )
                      | ~ ( meet_semilatt_str @ SV63 ) )
                | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
          | ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1376]) ).

thf(1461,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ( ( set_difference @ SV65 @ SV129 )
         != empty_set )
        = $true )
      | ( ( subset @ SV65 @ SV129 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1377]) ).

thf(1462,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ( ~ ( subset @ SV65 @ SV129 ) )
        = $true )
      | ( ( ( set_difference @ SV65 @ SV129 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1378]) ).

thf(1463,plain,
    ! [SV159: $i,SV66: $i,SV130: $i] :
      ( ( ( ~ ( element @ SV130 @ ( powerset @ SV66 ) )
          | ~ ( element @ SV159 @ ( powerset @ SV66 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1379]) ).

thf(1464,plain,
    ! [SV67: $i,SV176: $i] :
      ( ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 )
                  | ( ( cast_as_carrier_subset @ SV67 )
                    = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) ) )
              | ~ ( ( ( cast_as_carrier_subset @ SV67 )
                   != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
                  | ( is_a_cover_of_carrier @ SV67 @ SV176 ) ) ) )
        = $true )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1380]) ).

thf(1465,plain,
    ! [SV68: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
                    | ~ ! [SY374: $i,SY375: $i] :
                          ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                                | ~ ( subset @ SY375 @ SY374 ) )
                          | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
              | ~ ! [SY376: $i] :
                    ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
                    | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1381]) ).

thf(1466,plain,
    ! [SV68: $i] :
      ( ( ~ ! [SY377: $i] :
              ~ ~ ( ~ ~ ( ~ ( subset @ SY377 @ ( sK6_SY295 @ SV68 ) )
                        | ~ ~ ( are_equipotent @ SY377 @ ( sK6_SY295 @ SV68 ) ) )
                  | ~ ~ ( in @ SY377 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1381]) ).

thf(1467,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( ~ ( ( SV131 != empty_set ) )
          | ( ( complements_of_subsets @ SV69 @ SV131 )
           != empty_set ) )
        = $true )
      | ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1382]) ).

thf(1468,plain,
    ! [SV71: $i,SV177: $i] :
      ( ( ( element @ SV177 @ ( powerset @ ( the_carrier @ SV71 ) ) )
        = $false )
      | ( ( subset @ SV177 @ ( topstr_closure @ SV71 @ SV177 ) )
        = $true )
      | ( ( top_str @ SV71 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1383]) ).

thf(1469,plain,
    ! [SV74: $i,SV178: $i] :
      ( ( ( element @ SV178 @ ( powerset @ SV74 ) )
        = $false )
      | ( ( finite @ SV178 )
        = $true )
      | ( ( finite @ SV74 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1384]) ).

thf(1470,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                            | ~ ( join_commutative @ SV75 ) )
                      | ~ ( join_semilatt_str @ SV75 ) )
                | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
          | ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1385]) ).

thf(1471,plain,
    ! [SV161: $i,SV76: $i,SV135: $i] :
      ( ( ( ~ ( element @ SV135 @ ( powerset @ SV76 ) )
          | ~ ( element @ SV161 @ ( powerset @ SV76 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1386]) ).

thf(1472,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV77 @ SV136 )
                | ~ ( element @ SV136 @ ( powerset @ SV162 ) ) ) )
        = $true )
      | ( ( ~ ( empty @ SV162 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1387]) ).

thf(1473,plain,
    ! [SV78: $i,SV179: $i] :
      ( ( ( element @ SV179 @ ( powerset @ ( the_carrier @ SV78 ) ) )
        = $false )
      | ( ( ( subset_complement @ ( the_carrier @ SV78 ) @ SV179 )
          = ( subset_difference @ ( the_carrier @ SV78 ) @ ( cast_as_carrier_subset @ SV78 ) @ SV179 ) )
        = $true )
      | ( ( one_sorted_str @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1388]) ).

thf(1474,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( ~ ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV185
                   != ( complements_of_subsets @ SV79 @ SV137 ) )
                  | ! [SY381: $i] :
                      ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
                      | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                              | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                          | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                              | ( in @ SY381 @ SV185 ) ) ) ) )
              | ~ ( ~ ! [SY382: $i] :
                        ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                        | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                                | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                                | ( in @ SY382 @ SV185 ) ) ) )
                  | ( SV185
                    = ( complements_of_subsets @ SV79 @ SV137 ) ) ) ) )
        = $true )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1389]) ).

thf(1475,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                      | ~ ( meet_semilatt_str @ SV80 ) )
                | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
          | ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1390]) ).

thf(1476,plain,
    ! [SV81: $i] :
      ( ( ~ ( element @ ( sK7_SY318 @ SV81 ) @ ( powerset @ SV81 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1391]) ).

thf(1477,plain,
    ! [SV81: $i] :
      ( ( ~ ( empty @ ( sK7_SY318 @ SV81 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1391]) ).

thf(1478,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( empty_carrier @ SV82 ) )
        = $false )
      | ( ( ~ ( one_sorted_str @ SV82 ) )
        = $true )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1392]) ).

thf(1479,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                            | ~ ( meet_commutative @ SV84 ) )
                      | ~ ( meet_semilatt_str @ SV84 ) )
                | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
          | ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1393]) ).

thf(1480,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                      | ~ ( join_semilatt_str @ SV85 ) )
                | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
          | ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1394]) ).

thf(1481,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( ~ ( subset @ SV86 @ ( singleton @ SV141 ) ) )
        = $true )
      | ( ( ( SV86 = empty_set )
          | ( SV86
            = ( singleton @ SV141 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1395]) ).

thf(1482,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( ~ ( ( SV86 = empty_set )
              | ( SV86
                = ( singleton @ SV141 ) ) ) )
        = $true )
      | ( ( subset @ SV86 @ ( singleton @ SV141 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1396]) ).

thf(1483,plain,
    ! [SV87: $i] :
      ( ( ( ~ ( empty_carrier @ SV87 ) )
        = $false )
      | ( ( ~ ( join_semilatt_str @ SV87 ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1397]) ).

thf(1484,plain,
    ! [SV89: $i] :
      ( ( ( ( relation_dom @ SV89 )
          = empty_set )
        = $false )
      | ( ( SV89 = empty_set )
        = $true )
      | ( ( relation @ SV89 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1398]) ).

thf(1485,plain,
    ! [SV89: $i] :
      ( ( ( ( relation_rng @ SV89 )
          = empty_set )
        = $false )
      | ( ( SV89 = empty_set )
        = $true )
      | ( ( relation @ SV89 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1398]) ).

thf(1486,plain,
    ! [SV91: $i,SV180: $i] :
      ( ( ( element @ SV180 @ ( powerset @ ( the_carrier @ SV91 ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ ( the_carrier @ SV91 ) @ SV180 @ ( cast_as_carrier_subset @ SV91 ) )
          = SV180 )
        = $true )
      | ( ( one_sorted_str @ SV91 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1399]) ).

thf(1487,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ( ~ ~ ( empty @ SV92 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                  | ( in @ SV143 @ SV92 ) )
              | ~ ( ~ ( in @ SV143 @ SV92 )
                  | ( element @ SV143 @ SV92 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1400]) ).

thf(1488,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ( ~ ( empty @ SV92 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                  | ( empty @ SV143 ) )
              | ~ ( ~ ( empty @ SV143 )
                  | ( element @ SV143 @ SV92 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1401]) ).

thf(1489,plain,
    ! [SV94: $i] :
      ( ( ( ~ ( empty_carrier @ SV94 ) )
        = $false )
      | ( ( ~ ( one_sorted_str @ SV94 ) )
        = $true )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1402]) ).

thf(1490,plain,
    ! [SV95: $i] :
      ( ( ( ~ ( empty_carrier @ SV95 ) )
        = $false )
      | ( ( ~ ( one_sorted_str @ SV95 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1403]) ).

thf(1491,plain,
    ! [SV96: $i,SV145: $i] :
      ( ( ( ~ ( in @ ( sK8_SY371 @ SV145 @ SV96 ) @ SV96 ) )
        = $false )
      | ( ( element @ SV96 @ ( powerset @ SV145 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1404]) ).

thf(1492,plain,
    ! [SV96: $i,SV145: $i] :
      ( ( ( in @ ( sK8_SY371 @ SV145 @ SV96 ) @ SV145 )
        = $false )
      | ( ( element @ SV96 @ ( powerset @ SV145 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1404]) ).

thf(1493,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( ~ ~ ( ~ ( ( SV181 != empty_set ) )
                | ~ ! [SY378: $i] :
                      ~ ~ ( ~ ( in @ SY378 @ SV181 )
                          | ~ ! [SY379: $i] :
                                ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                      | ~ ( subset @ SY378 @ SY379 ) )
                                | ( SY379 = SY378 ) ) ) ) )
        = $true )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1407]) ).

thf(1494,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ~ ( ~ ( v1_membered @ SV168 )
                | ~ ( v2_membered @ SV168 ) )
          | ~ ( v3_membered @ SV168 ) )
        = $false )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1408]) ).

thf(1495,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( SV11 != empty_set )
        = $false )
      | ( ( ~ ( ~ ( ( SV102
                   != ( set_meet @ SV11 ) )
                  | ! [SY340: $i] :
                      ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                            | ! [SY223: $i] :
                                ( ~ ( in @ SY223 @ SV11 )
                                | ( in @ SY340 @ SY223 ) ) )
                        | ~ ( ~ ! [SY224: $i] :
                                  ( ~ ( in @ SY224 @ SV11 )
                                  | ( in @ SY340 @ SY224 ) )
                            | ( in @ SY340 @ SV102 ) ) ) )
              | ~ ( ~ ! [SY343: $i] :
                        ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                              | ! [SY226: $i] :
                                  ( ~ ( in @ SY226 @ SV11 )
                                  | ( in @ SY343 @ SY226 ) ) )
                          | ~ ( ~ ! [SY227: $i] :
                                    ( ~ ( in @ SY227 @ SV11 )
                                    | ( in @ SY343 @ SY227 ) )
                              | ( in @ SY343 @ SV102 ) ) )
                  | ( SV102
                    = ( set_meet @ SV11 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1409]) ).

thf(1496,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( SV11 = empty_set )
        = $false )
      | ( ( ~ ( ~ ( ( SV102
                   != ( set_meet @ SV11 ) )
                  | ( SV102 = empty_set ) )
              | ~ ( ( SV102 != empty_set )
                  | ( SV102
                    = ( set_meet @ SV11 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1410]) ).

thf(1497,plain,
    ! [SV103: $i,SV13: $i] :
      ( ( ( top_str @ SV13 )
        = $false )
      | ( ( ~ ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) ) )
        = $true )
      | ( ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1411]) ).

thf(1498,plain,
    ! [SV148: $i,SV14: $i,SV104: $i] :
      ( ( ( ~ ( element @ SV104 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( ~ ( element @ SV148 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1412]) ).

thf(1499,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( ~ ( v1_xcmplx_0 @ SV169 )
          | ~ ( v1_xreal_0 @ SV169 ) )
        = $false )
      | ( ( element @ SV169 @ SV15 )
        = $false )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1413]) ).

thf(1500,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                            | ~ ( join_commutative @ SV16 ) )
                      | ~ ( join_semilatt_str @ SV16 ) )
                | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1414]) ).

thf(1501,plain,
    ! [SV150: $i,SV17: $i,SV106: $i] :
      ( ( ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
          | ~ ( in @ SV106 @ SV150 ) )
        = $true )
      | ( ( element @ SV150 @ ( powerset @ SV17 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1415]) ).

thf(1502,plain,
    ! [SV18: $i] :
      ( ( ( top_str @ SV18 )
        = $false )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( ~ ! [SY236: $i] :
                ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                    | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1416]) ).

thf(1503,plain,
    ! [SV152: $i,SV21: $i,SV108: $i] :
      ( ( ( ~ ( element @ SV108 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( ~ ( element @ SV152 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1418]) ).

thf(1504,plain,
    ! [SV22: $i] :
      ( ( ( ( relation_dom @ SV22 )
         != empty_set )
        = $true )
      | ( ( ( relation_rng @ SV22 )
          = empty_set )
        = $true )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1419]) ).

thf(1505,plain,
    ! [SV22: $i] :
      ( ( ( ( relation_rng @ SV22 )
         != empty_set )
        = $true )
      | ( ( ( relation_dom @ SV22 )
          = empty_set )
        = $true )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1420]) ).

thf(1506,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK9_SY242 @ SV23 ) @ ( sK12_SY383 @ SV23 ) ) @ SV23 ) )
        = $false )
      | ( ( SV23 = empty_set )
        = $true )
      | ( ( relation @ SV23 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1421]) ).

thf(1507,plain,
    ! [SV26: $i,SV109: $i,SV182: $i] :
      ( ( ( in @ SV182 @ SV109 )
        = $false )
      | ( ( in @ SV182 @ SV26 )
        = $true )
      | ( ( element @ SV109 @ ( powerset @ SV26 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1422]) ).

thf(1508,plain,
    ! [SV27: $i] :
      ( ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV27 ) )
        = $true )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1423]) ).

thf(1509,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ( disjoint @ SV28 @ SV110 )
        = $false )
      | ( ( ( set_intersection2 @ SV28 @ SV110 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1424]) ).

thf(1510,plain,
    ! [SV110: $i,SV28: $i] :
      ( ( ( ( set_intersection2 @ SV28 @ SV110 )
          = empty_set )
        = $false )
      | ( ( disjoint @ SV28 @ SV110 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1425]) ).

thf(1511,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ( ( set_difference @ SV29 @ SV111 )
          = empty_set )
        = $false )
      | ( ( subset @ SV29 @ SV111 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1426]) ).

thf(1512,plain,
    ! [SV111: $i,SV29: $i] :
      ( ( ( subset @ SV29 @ SV111 )
        = $false )
      | ( ( ( set_difference @ SV29 @ SV111 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1427]) ).

thf(1513,plain,
    ( ( is_a_cover_of_carrier @ sK1_A @ sK2_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1428]) ).

thf(1514,plain,
    ( ( sK2_SX0 = empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1429]) ).

thf(1515,plain,
    ! [SV31: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV31 )
          | ~ ( join_commutative @ SV31 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1430]) ).

thf(1516,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK10_SY253 @ SV33 ) @ ( powerset @ SV33 ) )
              | ~ ~ ( empty @ ( sK10_SY253 @ SV33 ) ) ) )
        = $true )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1431]) ).

thf(1517,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ( element @ SV34 @ ( powerset @ SV113 ) )
        = $false )
      | ( ( subset @ SV34 @ SV113 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1432]) ).

thf(1518,plain,
    ! [SV113: $i,SV34: $i] :
      ( ( ( subset @ SV34 @ SV113 )
        = $false )
      | ( ( element @ SV34 @ ( powerset @ SV113 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1433]) ).

thf(1519,plain,
    ! [SV114: $i,SV35: $i] :
      ( ( ( top_str @ SV35 )
        = $false )
      | ( ( ~ ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) ) )
        = $true )
      | ( ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1434]) ).

thf(1520,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( empty_carrier @ SV37 ) )
        = $true )
      | ( ( empty @ ( the_carrier @ SV37 ) )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1435]) ).

thf(1521,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( empty @ ( the_carrier @ SV37 ) ) )
        = $true )
      | ( ( empty_carrier @ SV37 )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1436]) ).

thf(1522,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( ~ ( v1_membered @ SV171 )
          | ~ ( v2_membered @ SV171 ) )
        = $false )
      | ( ( element @ SV171 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1437]) ).

thf(1523,plain,
    ! [SV40: $i,SV186: $i] :
      ( ( ( ~ ( in @ SV186 @ SV40 ) )
        = $true )
      | ( ( SV40 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1438]) ).

thf(1524,plain,
    ! [SV40: $i] :
      ( ( ( ~ ( in @ ( sK13_SY259 @ SV40 ) @ SV40 ) )
        = $false )
      | ( ( SV40 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1439]) ).

thf(1525,plain,
    ! [SV41: $i] :
      ( ( ( top_str @ SV41 )
        = $false )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( ~ ! [SY260: $i] :
                ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                    | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1440]) ).

thf(1526,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ( SV116
          = ( powerset @ SV43 ) )
        = $false )
      | ( ( ! [SY352: $i] :
              ~ ( ~ ( ~ ( in @ SY352 @ SV116 )
                    | ( subset @ SY352 @ SV43 ) )
                | ~ ( ~ ( subset @ SY352 @ SV43 )
                    | ( in @ SY352 @ SV116 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1442]) ).

thf(1527,plain,
    ! [SV43: $i,SV116: $i] :
      ( ( ( ! [SY353: $i] :
              ~ ( ~ ( ~ ( in @ SY353 @ SV116 )
                    | ( subset @ SY353 @ SV43 ) )
                | ~ ( ~ ( subset @ SY353 @ SV43 )
                    | ( in @ SY353 @ SV116 ) ) ) )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1443]) ).

thf(1528,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
                    | ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) )
              | ~ ( finite @ ( sK11_SY265 @ SV44 ) ) ) )
        = $true )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1444]) ).

thf(1529,plain,
    ! [SV117: $i,SV46: $i,SV183: $i] :
      ( ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( disjoint @ SV117 @ SV183 )
                  | ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) )
              | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
                  | ( disjoint @ SV117 @ SV183 ) ) ) )
        = $true )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1446]) ).

thf(1530,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ~ ( ~ ( epsilon_transitive @ SV174 )
                | ~ ( epsilon_connected @ SV174 ) )
          | ~ ( ordinal @ SV174 ) )
        = $false )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1447]) ).

thf(1531,plain,
    ! [SV48: $i,SV184: $i] :
      ( ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( ! [SY380: $i] :
              ( ~ ( element @ SY380 @ SV48 )
              | ~ ~ ( in @ SY380 @ SV184 )
              | ( in @ SY380 @ ( subset_complement @ SV48 @ SV184 ) ) ) )
        = $true )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1448]) ).

thf(1532,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ~ ( ~ ( ( SV118 != empty_set )
                  | ( SV50 = empty_set ) )
              | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                      | ( SV50
                        = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
                  | ~ ( ( SV50
                       != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                      | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) ) )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1449]) ).

thf(1533,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ~ ( ( SV118 != empty_set )
              | ( SV50 = empty_set )
              | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                      | ( SV153 = empty_set ) )
                  | ~ ( ( SV153 != empty_set )
                      | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) ) )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1449]) ).

thf(1534,plain,
    ! [SV154: $i,SV119: $i,SV51: $i] :
      ( ( ( ~ ( in @ SV51 @ SV119 ) )
        = $true )
      | ( ( ~ ( element @ SV119 @ ( powerset @ SV154 ) ) )
        = $true )
      | ( ( element @ SV51 @ SV154 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1450]) ).

thf(1535,plain,
    ! [SV155: $i,SV53: $i,SV121: $i] :
      ( ( ( ~ ( element @ SV121 @ ( powerset @ SV53 ) ) )
        = $true )
      | ( ( ~ ( element @ SV155 @ ( powerset @ SV53 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1451]) ).

thf(1536,plain,
    ! [SV156: $i,SV55: $i,SV122: $i] :
      ( ( ( ~ ( element @ SV122 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( ~ ( element @ SV156 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1455]) ).

thf(1537,plain,
    ( ( empty_carrier @ sK3_SX0 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1457]) ).

thf(1538,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( subset @ SV59 @ ( singleton @ SV124 ) )
        = $false )
      | ( ( ( SV59 = empty_set )
          | ( SV59
            = ( singleton @ SV124 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1458]) ).

thf(1539,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( ( SV59 = empty_set )
          | ( SV59
            = ( singleton @ SV124 ) ) )
        = $false )
      | ( ( subset @ SV59 @ ( singleton @ SV124 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1459]) ).

thf(1540,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                            | ~ ( meet_commutative @ SV63 ) )
                      | ~ ( meet_semilatt_str @ SV63 ) )
                | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1460]) ).

thf(1541,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ( ( set_difference @ SV65 @ SV129 )
          = empty_set )
        = $false )
      | ( ( subset @ SV65 @ SV129 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1461]) ).

thf(1542,plain,
    ! [SV129: $i,SV65: $i] :
      ( ( ( subset @ SV65 @ SV129 )
        = $false )
      | ( ( ( set_difference @ SV65 @ SV129 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1462]) ).

thf(1543,plain,
    ! [SV159: $i,SV66: $i,SV130: $i] :
      ( ( ( ~ ( element @ SV130 @ ( powerset @ SV66 ) ) )
        = $true )
      | ( ( ~ ( element @ SV159 @ ( powerset @ SV66 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1463]) ).

thf(1544,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 )
              | ( ( cast_as_carrier_subset @ SV67 )
                = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) ) )
          | ~ ( ( ( cast_as_carrier_subset @ SV67 )
               != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
              | ( is_a_cover_of_carrier @ SV67 @ SV176 ) ) )
        = $false )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1464]) ).

thf(1545,plain,
    ! [SV68: $i] :
      ( ( ~ ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
                  | ~ ! [SY374: $i,SY375: $i] :
                        ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                              | ~ ( subset @ SY375 @ SY374 ) )
                        | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
            | ~ ! [SY376: $i] :
                  ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
                  | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1465]) ).

thf(1546,plain,
    ! [SV68: $i] :
      ( ( ! [SY377: $i] :
            ~ ~ ( ~ ~ ( ~ ( subset @ SY377 @ ( sK6_SY295 @ SV68 ) )
                      | ~ ~ ( are_equipotent @ SY377 @ ( sK6_SY295 @ SV68 ) ) )
                | ~ ~ ( in @ SY377 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1466]) ).

thf(1547,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( ~ ( ( SV131 != empty_set ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV69 @ SV131 )
         != empty_set )
        = $true )
      | ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1467]) ).

thf(1548,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                            | ~ ( join_commutative @ SV75 ) )
                      | ~ ( join_semilatt_str @ SV75 ) )
                | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1470]) ).

thf(1549,plain,
    ! [SV161: $i,SV76: $i,SV135: $i] :
      ( ( ( ~ ( element @ SV135 @ ( powerset @ SV76 ) ) )
        = $true )
      | ( ( ~ ( element @ SV161 @ ( powerset @ SV76 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1471]) ).

thf(1550,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ( ~ ( ~ ( in @ SV77 @ SV136 )
              | ~ ( element @ SV136 @ ( powerset @ SV162 ) ) ) )
        = $false )
      | ( ( ~ ( empty @ SV162 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1472]) ).

thf(1551,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( ~ ( ~ ( ( SV185
                   != ( complements_of_subsets @ SV79 @ SV137 ) )
                  | ! [SY381: $i] :
                      ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
                      | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                              | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                          | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                              | ( in @ SY381 @ SV185 ) ) ) ) )
              | ~ ( ~ ! [SY382: $i] :
                        ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                        | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                                | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                            | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                                | ( in @ SY382 @ SV185 ) ) ) )
                  | ( SV185
                    = ( complements_of_subsets @ SV79 @ SV137 ) ) ) ) )
        = $true )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1474]) ).

thf(1552,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                      | ~ ( meet_semilatt_str @ SV80 ) )
                | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1475]) ).

thf(1553,plain,
    ! [SV81: $i] :
      ( ( element @ ( sK7_SY318 @ SV81 ) @ ( powerset @ SV81 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1476]) ).

thf(1554,plain,
    ! [SV81: $i] :
      ( ( empty @ ( sK7_SY318 @ SV81 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1477]) ).

thf(1555,plain,
    ! [SV82: $i] :
      ( ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV82 ) )
        = $true )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1478]) ).

thf(1556,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                            | ~ ( meet_commutative @ SV84 ) )
                      | ~ ( meet_semilatt_str @ SV84 ) )
                | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1479]) ).

thf(1557,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                      | ~ ( join_semilatt_str @ SV85 ) )
                | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1480]) ).

thf(1558,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( subset @ SV86 @ ( singleton @ SV141 ) )
        = $false )
      | ( ( ( SV86 = empty_set )
          | ( SV86
            = ( singleton @ SV141 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1481]) ).

thf(1559,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( ( SV86 = empty_set )
          | ( SV86
            = ( singleton @ SV141 ) ) )
        = $false )
      | ( ( subset @ SV86 @ ( singleton @ SV141 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1482]) ).

thf(1560,plain,
    ! [SV87: $i] :
      ( ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV87 ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1483]) ).

thf(1561,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ( ~ ( empty @ SV92 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                  | ( in @ SV143 @ SV92 ) )
              | ~ ( ~ ( in @ SV143 @ SV92 )
                  | ( element @ SV143 @ SV92 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1487]) ).

thf(1562,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ( empty @ SV92 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                  | ( empty @ SV143 ) )
              | ~ ( ~ ( empty @ SV143 )
                  | ( element @ SV143 @ SV92 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1488]) ).

thf(1563,plain,
    ! [SV94: $i] :
      ( ( ( empty_carrier @ SV94 )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV94 ) )
        = $true )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1489]) ).

thf(1564,plain,
    ! [SV95: $i] :
      ( ( ( empty_carrier @ SV95 )
        = $true )
      | ( ( ~ ( one_sorted_str @ SV95 ) )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1490]) ).

thf(1565,plain,
    ! [SV96: $i,SV145: $i] :
      ( ( ( in @ ( sK8_SY371 @ SV145 @ SV96 ) @ SV96 )
        = $true )
      | ( ( element @ SV96 @ ( powerset @ SV145 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1491]) ).

thf(1566,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ~ ( ~ ( ( SV181 != empty_set ) )
              | ~ ! [SY378: $i] :
                    ~ ~ ( ~ ( in @ SY378 @ SV181 )
                        | ~ ! [SY379: $i] :
                              ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                    | ~ ( subset @ SY378 @ SY379 ) )
                              | ( SY379 = SY378 ) ) ) ) )
        = $false )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1493]) ).

thf(1567,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ~ ( ~ ( v1_membered @ SV168 )
                | ~ ( v2_membered @ SV168 ) ) )
        = $false )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1494]) ).

thf(1568,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( v3_membered @ SV168 ) )
        = $false )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1494]) ).

thf(1569,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( SV11 = empty_set )
        = $true )
      | ( ( ~ ( ~ ( ( SV102
                   != ( set_meet @ SV11 ) )
                  | ! [SY340: $i] :
                      ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                            | ! [SY223: $i] :
                                ( ~ ( in @ SY223 @ SV11 )
                                | ( in @ SY340 @ SY223 ) ) )
                        | ~ ( ~ ! [SY224: $i] :
                                  ( ~ ( in @ SY224 @ SV11 )
                                  | ( in @ SY340 @ SY224 ) )
                            | ( in @ SY340 @ SV102 ) ) ) )
              | ~ ( ~ ! [SY343: $i] :
                        ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                              | ! [SY226: $i] :
                                  ( ~ ( in @ SY226 @ SV11 )
                                  | ( in @ SY343 @ SY226 ) ) )
                          | ~ ( ~ ! [SY227: $i] :
                                    ( ~ ( in @ SY227 @ SV11 )
                                    | ( in @ SY343 @ SY227 ) )
                              | ( in @ SY343 @ SV102 ) ) )
                  | ( SV102
                    = ( set_meet @ SV11 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1495]) ).

thf(1570,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( ( SV102
               != ( set_meet @ SV11 ) )
              | ( SV102 = empty_set ) )
          | ~ ( ( SV102 != empty_set )
              | ( SV102
                = ( set_meet @ SV11 ) ) ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1496]) ).

thf(1571,plain,
    ! [SV13: $i,SV103: $i] :
      ( ( ( element @ SV103 @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $false )
      | ( ( top_str @ SV13 )
        = $false )
      | ( ( element @ ( topstr_closure @ SV13 @ SV103 ) @ ( powerset @ ( the_carrier @ SV13 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1497]) ).

thf(1572,plain,
    ! [SV148: $i,SV14: $i,SV104: $i] :
      ( ( ( element @ SV104 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( ~ ( element @ SV148 @ ( powerset @ SV14 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1498]) ).

thf(1573,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( ~ ( v1_xcmplx_0 @ SV169 ) )
        = $false )
      | ( ( element @ SV169 @ SV15 )
        = $false )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1499]) ).

thf(1574,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( ~ ( v1_xreal_0 @ SV169 ) )
        = $false )
      | ( ( element @ SV169 @ SV15 )
        = $false )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1499]) ).

thf(1575,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                          | ~ ( join_commutative @ SV16 ) )
                    | ~ ( join_semilatt_str @ SV16 ) )
              | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) ) )
        = $false )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1500]) ).

thf(1576,plain,
    ! [SV150: $i,SV17: $i,SV106: $i] :
      ( ( ( ~ ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) ) )
        = $true )
      | ( ( ~ ( in @ SV106 @ SV150 ) )
        = $true )
      | ( ( element @ SV150 @ ( powerset @ SV17 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1501]) ).

thf(1577,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY236: $i] :
              ~ ~ ( ~ ( element @ SY236 @ ( powerset @ ( the_carrier @ SV18 ) ) )
                  | ~ ( open_subset @ SY236 @ SV18 ) ) )
        = $false )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1502]) ).

thf(1578,plain,
    ! [SV152: $i,SV21: $i,SV108: $i] :
      ( ( ( element @ SV108 @ ( powerset @ SV21 ) )
        = $false )
      | ( ( ~ ( element @ SV152 @ ( powerset @ SV21 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1503]) ).

thf(1579,plain,
    ! [SV22: $i] :
      ( ( ( ( relation_dom @ SV22 )
          = empty_set )
        = $false )
      | ( ( ( relation_rng @ SV22 )
          = empty_set )
        = $true )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1504]) ).

thf(1580,plain,
    ! [SV22: $i] :
      ( ( ( ( relation_rng @ SV22 )
          = empty_set )
        = $false )
      | ( ( ( relation_dom @ SV22 )
          = empty_set )
        = $true )
      | ( ( relation @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1505]) ).

thf(1581,plain,
    ! [SV23: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK9_SY242 @ SV23 ) @ ( sK12_SY383 @ SV23 ) ) @ SV23 )
        = $true )
      | ( ( SV23 = empty_set )
        = $true )
      | ( ( relation @ SV23 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1506]) ).

thf(1582,plain,
    ! [SV27: $i] :
      ( ( ( one_sorted_str @ SV27 )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( ! [SY246: $i] :
              ( ~ ( element @ SY246 @ ( powerset @ ( the_carrier @ SV27 ) ) )
              | ! [SY247: $i] :
                  ( ~ ( element @ SY247 @ ( the_carrier @ SV27 ) )
                  | ~ ( ~ ( ~ ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) )
                          | ~ ( in @ SY247 @ SY246 ) )
                      | ~ ( ~ ~ ( in @ SY247 @ SY246 )
                          | ( in @ SY247 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SY246 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1508]) ).

thf(1583,plain,
    ! [SV31: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV31 ) )
        = $true )
      | ( ( ~ ( join_commutative @ SV31 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1515]) ).

thf(1584,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( element @ ( sK10_SY253 @ SV33 ) @ ( powerset @ SV33 ) )
          | ~ ~ ( empty @ ( sK10_SY253 @ SV33 ) ) )
        = $false )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1516]) ).

thf(1585,plain,
    ! [SV35: $i,SV114: $i] :
      ( ( ( element @ SV114 @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $false )
      | ( ( top_str @ SV35 )
        = $false )
      | ( ( element @ ( interior @ SV35 @ SV114 ) @ ( powerset @ ( the_carrier @ SV35 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1519]) ).

thf(1586,plain,
    ! [SV37: $i] :
      ( ( ( empty_carrier @ SV37 )
        = $false )
      | ( ( empty @ ( the_carrier @ SV37 ) )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1520]) ).

thf(1587,plain,
    ! [SV37: $i] :
      ( ( ( empty @ ( the_carrier @ SV37 ) )
        = $false )
      | ( ( empty_carrier @ SV37 )
        = $true )
      | ( ( one_sorted_str @ SV37 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1521]) ).

thf(1588,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( ~ ( v1_membered @ SV171 ) )
        = $false )
      | ( ( element @ SV171 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1522]) ).

thf(1589,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( ~ ( v2_membered @ SV171 ) )
        = $false )
      | ( ( element @ SV171 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1522]) ).

thf(1590,plain,
    ! [SV40: $i,SV186: $i] :
      ( ( ( in @ SV186 @ SV40 )
        = $false )
      | ( ( SV40 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1523]) ).

thf(1591,plain,
    ! [SV40: $i] :
      ( ( ( in @ ( sK13_SY259 @ SV40 ) @ SV40 )
        = $true )
      | ( ( SV40 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1524]) ).

thf(1592,plain,
    ! [SV41: $i] :
      ( ( ( ! [SY260: $i] :
              ~ ~ ( ~ ( element @ SY260 @ ( powerset @ ( the_carrier @ SV41 ) ) )
                  | ~ ( closed_subset @ SY260 @ SV41 ) ) )
        = $false )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1525]) ).

thf(1593,plain,
    ! [SV43: $i,SV116: $i,SV187: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV187 @ SV116 )
                  | ( subset @ SV187 @ SV43 ) )
              | ~ ( ~ ( subset @ SV187 @ SV43 )
                  | ( in @ SV187 @ SV116 ) ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1526]) ).

thf(1594,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
                  | ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 ) )
              | ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
                  | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) ) )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1527]) ).

thf(1595,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
                | ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) )
          | ~ ( finite @ ( sK11_SY265 @ SV44 ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1528]) ).

thf(1596,plain,
    ! [SV46: $i,SV183: $i,SV117: $i] :
      ( ( ( ~ ( ~ ( disjoint @ SV117 @ SV183 )
              | ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) )
          | ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
              | ( disjoint @ SV117 @ SV183 ) ) )
        = $false )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1529]) ).

thf(1597,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ~ ( ~ ( epsilon_transitive @ SV174 )
                | ~ ( epsilon_connected @ SV174 ) ) )
        = $false )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1530]) ).

thf(1598,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( ordinal @ SV174 ) )
        = $false )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1530]) ).

thf(1599,plain,
    ! [SV184: $i,SV48: $i,SV188: $i] :
      ( ( ( ~ ( element @ SV188 @ SV48 )
          | ~ ~ ( in @ SV188 @ SV184 )
          | ( in @ SV188 @ ( subset_complement @ SV48 @ SV184 ) ) )
        = $true )
      | ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1531]) ).

thf(1600,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ~ ( ( SV118 != empty_set )
              | ( SV50 = empty_set ) )
          | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV50
                    = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
              | ~ ( ( SV50
                   != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1532]) ).

thf(1601,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ( SV118 != empty_set )
          | ( SV50 = empty_set )
          | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV153 = empty_set ) )
              | ~ ( ( SV153 != empty_set )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1533]) ).

thf(1602,plain,
    ! [SV154: $i,SV119: $i,SV51: $i] :
      ( ( ( in @ SV51 @ SV119 )
        = $false )
      | ( ( ~ ( element @ SV119 @ ( powerset @ SV154 ) ) )
        = $true )
      | ( ( element @ SV51 @ SV154 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1534]) ).

thf(1603,plain,
    ! [SV155: $i,SV53: $i,SV121: $i] :
      ( ( ( element @ SV121 @ ( powerset @ SV53 ) )
        = $false )
      | ( ( ~ ( element @ SV155 @ ( powerset @ SV53 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1535]) ).

thf(1604,plain,
    ! [SV156: $i,SV55: $i,SV122: $i] :
      ( ( ( element @ SV122 @ ( powerset @ SV55 ) )
        = $false )
      | ( ( ~ ( element @ SV156 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1536]) ).

thf(1605,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( SV59 = empty_set )
        = $true )
      | ( ( SV59
          = ( singleton @ SV124 ) )
        = $true )
      | ( ( subset @ SV59 @ ( singleton @ SV124 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1538]) ).

thf(1606,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( SV59 = empty_set )
        = $false )
      | ( ( subset @ SV59 @ ( singleton @ SV124 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1539]) ).

thf(1607,plain,
    ! [SV124: $i,SV59: $i] :
      ( ( ( SV59
          = ( singleton @ SV124 ) )
        = $false )
      | ( ( subset @ SV59 @ ( singleton @ SV124 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1539]) ).

thf(1608,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                          | ~ ( meet_commutative @ SV63 ) )
                    | ~ ( meet_semilatt_str @ SV63 ) )
              | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) ) )
        = $false )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1540]) ).

thf(1609,plain,
    ! [SV159: $i,SV66: $i,SV130: $i] :
      ( ( ( element @ SV130 @ ( powerset @ SV66 ) )
        = $false )
      | ( ( ~ ( element @ SV159 @ ( powerset @ SV66 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1543]) ).

thf(1610,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ~ ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 )
              | ( ( cast_as_carrier_subset @ SV67 )
                = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) ) ) )
        = $false )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1544]) ).

thf(1611,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ~ ( ( ( cast_as_carrier_subset @ SV67 )
               != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
              | ( is_a_cover_of_carrier @ SV67 @ SV176 ) ) )
        = $false )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1544]) ).

thf(1612,plain,
    ! [SV68: $i] :
      ( ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
              | ~ ! [SY374: $i,SY375: $i] :
                    ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                          | ~ ( subset @ SY375 @ SY374 ) )
                    | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
        | ~ ! [SY376: $i] :
              ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
              | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1545]) ).

thf(1613,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
                    | ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
              | ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1546]) ).

thf(1614,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( SV131 != empty_set )
        = $false )
      | ( ( ( complements_of_subsets @ SV69 @ SV131 )
         != empty_set )
        = $true )
      | ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1547]) ).

thf(1615,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                          | ~ ( join_commutative @ SV75 ) )
                    | ~ ( join_semilatt_str @ SV75 ) )
              | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) ) )
        = $false )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1548]) ).

thf(1616,plain,
    ! [SV161: $i,SV76: $i,SV135: $i] :
      ( ( ( element @ SV135 @ ( powerset @ SV76 ) )
        = $false )
      | ( ( ~ ( element @ SV161 @ ( powerset @ SV76 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1549]) ).

thf(1617,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ( ~ ( in @ SV77 @ SV136 )
          | ~ ( element @ SV136 @ ( powerset @ SV162 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV162 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1550]) ).

thf(1618,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( ~ ( ( SV185
               != ( complements_of_subsets @ SV79 @ SV137 ) )
              | ! [SY381: $i] :
                  ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
                  | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                          | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                      | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                          | ( in @ SY381 @ SV185 ) ) ) ) )
          | ~ ( ~ ! [SY382: $i] :
                    ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                    | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                            | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                        | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                            | ( in @ SY382 @ SV185 ) ) ) )
              | ( SV185
                = ( complements_of_subsets @ SV79 @ SV137 ) ) ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1551]) ).

thf(1619,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                    | ~ ( meet_semilatt_str @ SV80 ) )
              | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) ) )
        = $false )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1552]) ).

thf(1620,plain,
    ! [SV82: $i] :
      ( ( ( one_sorted_str @ SV82 )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( ~ ! [SY319: $i] :
                ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                    | ~ ~ ( empty @ SY319 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1555]) ).

thf(1621,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                          | ~ ( meet_commutative @ SV84 ) )
                    | ~ ( meet_semilatt_str @ SV84 ) )
              | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) ) )
        = $false )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1556]) ).

thf(1622,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                    | ~ ( join_semilatt_str @ SV85 ) )
              | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) ) )
        = $false )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1557]) ).

thf(1623,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( SV86 = empty_set )
        = $true )
      | ( ( SV86
          = ( singleton @ SV141 ) )
        = $true )
      | ( ( subset @ SV86 @ ( singleton @ SV141 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1558]) ).

thf(1624,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( SV86 = empty_set )
        = $false )
      | ( ( subset @ SV86 @ ( singleton @ SV141 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1559]) ).

thf(1625,plain,
    ! [SV141: $i,SV86: $i] :
      ( ( ( SV86
          = ( singleton @ SV141 ) )
        = $false )
      | ( ( subset @ SV86 @ ( singleton @ SV141 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1559]) ).

thf(1626,plain,
    ! [SV87: $i] :
      ( ( ( join_semilatt_str @ SV87 )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( element @ SY325 @ ( the_carrier @ SV87 ) )
              | ! [SY326: $i] :
                  ( ~ ( element @ SY326 @ ( the_carrier @ SV87 ) )
                  | ~ ( ~ ( ~ ( below @ SV87 @ SY325 @ SY326 )
                          | ( ( join @ SV87 @ SY325 @ SY326 )
                            = SY326 ) )
                      | ~ ( ( ( join @ SV87 @ SY325 @ SY326 )
                           != SY326 )
                          | ( below @ SV87 @ SY325 @ SY326 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1560]) ).

thf(1627,plain,
    ! [SV143: $i,SV92: $i] :
      ( ( ( empty @ SV92 )
        = $true )
      | ( ( ~ ( ~ ( ~ ( element @ SV143 @ SV92 )
                  | ( in @ SV143 @ SV92 ) )
              | ~ ( ~ ( in @ SV143 @ SV92 )
                  | ( element @ SV143 @ SV92 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1561]) ).

thf(1628,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( element @ SV143 @ SV92 )
              | ( empty @ SV143 ) )
          | ~ ( ~ ( empty @ SV143 )
              | ( element @ SV143 @ SV92 ) ) )
        = $false )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1562]) ).

thf(1629,plain,
    ! [SV94: $i] :
      ( ( ( one_sorted_str @ SV94 )
        = $false )
      | ( ( empty_carrier @ SV94 )
        = $true )
      | ( ( ~ ( empty @ ( cast_as_carrier_subset @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1563]) ).

thf(1630,plain,
    ! [SV95: $i] :
      ( ( ( one_sorted_str @ SV95 )
        = $false )
      | ( ( empty_carrier @ SV95 )
        = $true )
      | ( ( ~ ( empty @ ( the_carrier @ SV95 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1564]) ).

thf(1631,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ~ ( ( SV181 != empty_set ) )
          | ~ ! [SY378: $i] :
                ~ ~ ( ~ ( in @ SY378 @ SV181 )
                    | ~ ! [SY379: $i] :
                          ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                | ~ ( subset @ SY378 @ SY379 ) )
                          | ( SY379 = SY378 ) ) ) )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1566]) ).

thf(1632,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( ~ ( v1_membered @ SV168 )
              | ~ ( v2_membered @ SV168 ) ) )
        = $true )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1567]) ).

thf(1633,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( v3_membered @ SV168 )
        = $true )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1568]) ).

thf(1634,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( ( SV102
               != ( set_meet @ SV11 ) )
              | ! [SY340: $i] :
                  ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                        | ! [SY223: $i] :
                            ( ~ ( in @ SY223 @ SV11 )
                            | ( in @ SY340 @ SY223 ) ) )
                    | ~ ( ~ ! [SY224: $i] :
                              ( ~ ( in @ SY224 @ SV11 )
                              | ( in @ SY340 @ SY224 ) )
                        | ( in @ SY340 @ SV102 ) ) ) )
          | ~ ( ~ ! [SY343: $i] :
                    ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                          | ! [SY226: $i] :
                              ( ~ ( in @ SY226 @ SV11 )
                              | ( in @ SY343 @ SY226 ) ) )
                      | ~ ( ~ ! [SY227: $i] :
                                ( ~ ( in @ SY227 @ SV11 )
                                | ( in @ SY343 @ SY227 ) )
                          | ( in @ SY343 @ SV102 ) ) )
              | ( SV102
                = ( set_meet @ SV11 ) ) ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1569]) ).

thf(1635,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( ( SV102
               != ( set_meet @ SV11 ) )
              | ( SV102 = empty_set ) ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1570]) ).

thf(1636,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( ( SV102 != empty_set )
              | ( SV102
                = ( set_meet @ SV11 ) ) ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1570]) ).

thf(1637,plain,
    ! [SV104: $i,SV14: $i,SV148: $i] :
      ( ( ( element @ SV148 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( element @ SV104 @ ( powerset @ SV14 ) )
        = $false )
      | ( ( element @ ( subset_intersection2 @ SV14 @ SV104 @ SV148 ) @ ( powerset @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1572]) ).

thf(1638,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( v1_xcmplx_0 @ SV169 )
        = $true )
      | ( ( element @ SV169 @ SV15 )
        = $false )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1573]) ).

thf(1639,plain,
    ! [SV15: $i,SV169: $i] :
      ( ( ( v1_xreal_0 @ SV169 )
        = $true )
      | ( ( element @ SV169 @ SV15 )
        = $false )
      | ( ( v2_membered @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1574]) ).

thf(1640,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                      | ~ ( join_commutative @ SV16 ) )
                | ~ ( join_semilatt_str @ SV16 ) )
          | ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1575]) ).

thf(1641,plain,
    ! [SV150: $i,SV17: $i,SV106: $i] :
      ( ( ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
        = $false )
      | ( ( ~ ( in @ SV106 @ SV150 ) )
        = $true )
      | ( ( element @ SV150 @ ( powerset @ SV17 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1576]) ).

thf(1642,plain,
    ! [SV18: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK15_SY236 @ SV18 ) @ ( powerset @ ( the_carrier @ SV18 ) ) )
                | ~ ( open_subset @ ( sK15_SY236 @ SV18 ) @ SV18 ) ) )
        = $false )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1577]) ).

thf(1643,plain,
    ! [SV108: $i,SV21: $i,SV152: $i] :
      ( ( ( element @ SV152 @ ( powerset @ SV21 ) )
        = $false )
      | ( ( element @ SV108 @ ( powerset @ SV21 ) )
        = $false )
      | ( ( ( subset_difference @ SV21 @ SV108 @ SV152 )
          = ( set_difference @ SV108 @ SV152 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1578]) ).

thf(1644,plain,
    ! [SV27: $i,SV190: $i] :
      ( ( ( ~ ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
          | ! [SY384: $i] :
              ( ~ ( element @ SY384 @ ( the_carrier @ SV27 ) )
              | ~ ( ~ ( ~ ( in @ SY384 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
                      | ~ ( in @ SY384 @ SV190 ) )
                  | ~ ( ~ ~ ( in @ SY384 @ SV190 )
                      | ( in @ SY384 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1582]) ).

thf(1645,plain,
    ! [SV31: $i] :
      ( ( ( ~ ( empty_carrier @ SV31 ) )
        = $false )
      | ( ( ~ ( join_commutative @ SV31 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1583]) ).

thf(1646,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( element @ ( sK10_SY253 @ SV33 ) @ ( powerset @ SV33 ) ) )
        = $false )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1584]) ).

thf(1647,plain,
    ! [SV33: $i] :
      ( ( ( ~ ~ ( empty @ ( sK10_SY253 @ SV33 ) ) )
        = $false )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1584]) ).

thf(1648,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( v1_membered @ SV171 )
        = $true )
      | ( ( element @ SV171 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1588]) ).

thf(1649,plain,
    ! [SV39: $i,SV171: $i] :
      ( ( ( v2_membered @ SV171 )
        = $true )
      | ( ( element @ SV171 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( v2_membered @ SV39 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1589]) ).

thf(1650,plain,
    ! [SV41: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK16_SY260 @ SV41 ) @ ( powerset @ ( the_carrier @ SV41 ) ) )
                | ~ ( closed_subset @ ( sK16_SY260 @ SV41 ) @ SV41 ) ) )
        = $false )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1592]) ).

thf(1651,plain,
    ! [SV43: $i,SV116: $i,SV187: $i] :
      ( ( ( ~ ( ~ ( in @ SV187 @ SV116 )
              | ( subset @ SV187 @ SV43 ) )
          | ~ ( ~ ( subset @ SV187 @ SV43 )
              | ( in @ SV187 @ SV116 ) ) )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1593]) ).

thf(1652,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
              | ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 ) )
          | ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
              | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1594]) ).

thf(1653,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
                | ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1595]) ).

thf(1654,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( finite @ ( sK11_SY265 @ SV44 ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1595]) ).

thf(1655,plain,
    ! [SV46: $i,SV183: $i,SV117: $i] :
      ( ( ( ~ ( ~ ( disjoint @ SV117 @ SV183 )
              | ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) ) )
        = $false )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1596]) ).

thf(1656,plain,
    ! [SV183: $i,SV46: $i,SV117: $i] :
      ( ( ( ~ ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
              | ( disjoint @ SV117 @ SV183 ) ) )
        = $false )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1596]) ).

thf(1657,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( ~ ( epsilon_transitive @ SV174 )
              | ~ ( epsilon_connected @ SV174 ) ) )
        = $true )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1597]) ).

thf(1658,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ordinal @ SV174 )
        = $true )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1598]) ).

thf(1659,plain,
    ! [SV184: $i,SV48: $i,SV188: $i] :
      ( ( ( ~ ( element @ SV188 @ SV48 ) )
        = $true )
      | ( ( ~ ~ ( in @ SV188 @ SV184 )
          | ( in @ SV188 @ ( subset_complement @ SV48 @ SV184 ) ) )
        = $true )
      | ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1599]) ).

thf(1660,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ~ ( ( SV118 != empty_set )
              | ( SV50 = empty_set ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV50
                    = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
              | ~ ( ( SV50
                   != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1600]) ).

thf(1661,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( SV118 != empty_set )
        = $true )
      | ( ( ( SV50 = empty_set )
          | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV153 = empty_set ) )
              | ~ ( ( SV153 != empty_set )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1601]) ).

thf(1662,plain,
    ! [SV51: $i,SV154: $i,SV119: $i] :
      ( ( ( element @ SV119 @ ( powerset @ SV154 ) )
        = $false )
      | ( ( in @ SV51 @ SV119 )
        = $false )
      | ( ( element @ SV51 @ SV154 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1602]) ).

thf(1663,plain,
    ! [SV121: $i,SV53: $i,SV155: $i] :
      ( ( ( element @ SV155 @ ( powerset @ SV53 ) )
        = $false )
      | ( ( element @ SV121 @ ( powerset @ SV53 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV53 @ SV121 @ SV121 )
          = SV121 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1603]) ).

thf(1664,plain,
    ! [SV122: $i,SV55: $i,SV156: $i] :
      ( ( ( element @ SV156 @ ( powerset @ SV55 ) )
        = $false )
      | ( ( element @ SV122 @ ( powerset @ SV55 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV55 @ SV122 @ SV156 )
          = ( subset_intersection2 @ SV55 @ SV156 @ SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1604]) ).

thf(1665,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                      | ~ ( meet_commutative @ SV63 ) )
                | ~ ( meet_semilatt_str @ SV63 ) )
          | ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1608]) ).

thf(1666,plain,
    ! [SV130: $i,SV66: $i,SV159: $i] :
      ( ( ( element @ SV159 @ ( powerset @ SV66 ) )
        = $false )
      | ( ( element @ SV130 @ ( powerset @ SV66 ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV66 @ SV130 @ SV159 ) @ ( powerset @ SV66 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1609]) ).

thf(1667,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 )
          | ( ( cast_as_carrier_subset @ SV67 )
            = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) ) )
        = $true )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1610]) ).

thf(1668,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ( ( cast_as_carrier_subset @ SV67 )
           != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
          | ( is_a_cover_of_carrier @ SV67 @ SV176 ) )
        = $true )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1611]) ).

thf(1669,plain,
    ! [SV68: $i] :
      ( ( ~ ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
              | ~ ! [SY374: $i,SY375: $i] :
                    ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                          | ~ ( subset @ SY375 @ SY374 ) )
                    | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1612]) ).

thf(1670,plain,
    ! [SV68: $i] :
      ( ( ~ ! [SY376: $i] :
              ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
              | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1612]) ).

thf(1671,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ~ ( ~ ~ ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
                  | ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
            | ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1613]) ).

thf(1672,plain,
    ! [SV69: $i,SV131: $i] :
      ( ( ( SV131 = empty_set )
        = $true )
      | ( ( ( complements_of_subsets @ SV69 @ SV131 )
         != empty_set )
        = $true )
      | ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1614]) ).

thf(1673,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                      | ~ ( join_commutative @ SV75 ) )
                | ~ ( join_semilatt_str @ SV75 ) )
          | ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1615]) ).

thf(1674,plain,
    ! [SV135: $i,SV76: $i,SV161: $i] :
      ( ( ( element @ SV161 @ ( powerset @ SV76 ) )
        = $false )
      | ( ( element @ SV135 @ ( powerset @ SV76 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV76 @ SV135 @ SV161 )
          = ( set_intersection2 @ SV135 @ SV161 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1616]) ).

thf(1675,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ( ~ ( in @ SV77 @ SV136 ) )
        = $true )
      | ( ( ~ ( element @ SV136 @ ( powerset @ SV162 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV162 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1617]) ).

thf(1676,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( ~ ( ( SV185
               != ( complements_of_subsets @ SV79 @ SV137 ) )
              | ! [SY381: $i] :
                  ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
                  | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                          | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                      | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                          | ( in @ SY381 @ SV185 ) ) ) ) ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1618]) ).

thf(1677,plain,
    ! [SV137: $i,SV185: $i,SV79: $i] :
      ( ( ( ~ ( ~ ! [SY382: $i] :
                    ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                    | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                            | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                        | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                            | ( in @ SY382 @ SV185 ) ) ) )
              | ( SV185
                = ( complements_of_subsets @ SV79 @ SV137 ) ) ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1618]) ).

thf(1678,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                | ~ ( meet_semilatt_str @ SV80 ) )
          | ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1619]) ).

thf(1679,plain,
    ! [SV82: $i] :
      ( ( ( ! [SY319: $i] :
              ~ ~ ( ~ ( element @ SY319 @ ( powerset @ ( the_carrier @ SV82 ) ) )
                  | ~ ~ ( empty @ SY319 ) ) )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1620]) ).

thf(1680,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                      | ~ ( meet_commutative @ SV84 ) )
                | ~ ( meet_semilatt_str @ SV84 ) )
          | ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1621]) ).

thf(1681,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                | ~ ( join_semilatt_str @ SV85 ) )
          | ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1622]) ).

thf(1682,plain,
    ! [SV87: $i,SV191: $i] :
      ( ( ( ~ ( element @ SV191 @ ( the_carrier @ SV87 ) )
          | ! [SY385: $i] :
              ( ~ ( element @ SY385 @ ( the_carrier @ SV87 ) )
              | ~ ( ~ ( ~ ( below @ SV87 @ SV191 @ SY385 )
                      | ( ( join @ SV87 @ SV191 @ SY385 )
                        = SY385 ) )
                  | ~ ( ( ( join @ SV87 @ SV191 @ SY385 )
                       != SY385 )
                      | ( below @ SV87 @ SV191 @ SY385 ) ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1626]) ).

thf(1683,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( element @ SV143 @ SV92 )
              | ( in @ SV143 @ SV92 ) )
          | ~ ( ~ ( in @ SV143 @ SV92 )
              | ( element @ SV143 @ SV92 ) ) )
        = $false )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1627]) ).

thf(1684,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( element @ SV143 @ SV92 )
              | ( empty @ SV143 ) ) )
        = $false )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1628]) ).

thf(1685,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( empty @ SV143 )
              | ( element @ SV143 @ SV92 ) ) )
        = $false )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1628]) ).

thf(1686,plain,
    ! [SV94: $i] :
      ( ( ( empty @ ( cast_as_carrier_subset @ SV94 ) )
        = $false )
      | ( ( empty_carrier @ SV94 )
        = $true )
      | ( ( one_sorted_str @ SV94 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1629]) ).

thf(1687,plain,
    ! [SV95: $i] :
      ( ( ( empty @ ( the_carrier @ SV95 ) )
        = $false )
      | ( ( empty_carrier @ SV95 )
        = $true )
      | ( ( one_sorted_str @ SV95 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1630]) ).

thf(1688,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ~ ( ( SV181 != empty_set ) ) )
        = $true )
      | ( ( ~ ! [SY378: $i] :
                ~ ~ ( ~ ( in @ SY378 @ SV181 )
                    | ~ ! [SY379: $i] :
                          ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                | ~ ( subset @ SY378 @ SY379 ) )
                          | ( SY379 = SY378 ) ) ) )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1631]) ).

thf(1689,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( v1_membered @ SV168 )
          | ~ ( v2_membered @ SV168 ) )
        = $false )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1632]) ).

thf(1690,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( ( SV102
               != ( set_meet @ SV11 ) )
              | ! [SY340: $i] :
                  ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                        | ! [SY223: $i] :
                            ( ~ ( in @ SY223 @ SV11 )
                            | ( in @ SY340 @ SY223 ) ) )
                    | ~ ( ~ ! [SY224: $i] :
                              ( ~ ( in @ SY224 @ SV11 )
                              | ( in @ SY340 @ SY224 ) )
                        | ( in @ SY340 @ SV102 ) ) ) ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1634]) ).

thf(1691,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( ~ ! [SY343: $i] :
                    ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                          | ! [SY226: $i] :
                              ( ~ ( in @ SY226 @ SV11 )
                              | ( in @ SY343 @ SY226 ) ) )
                      | ~ ( ~ ! [SY227: $i] :
                                ( ~ ( in @ SY227 @ SV11 )
                                | ( in @ SY343 @ SY227 ) )
                          | ( in @ SY343 @ SV102 ) ) )
              | ( SV102
                = ( set_meet @ SV11 ) ) ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1634]) ).

thf(1692,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ( SV102
           != ( set_meet @ SV11 ) )
          | ( SV102 = empty_set ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1635]) ).

thf(1693,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ( SV102 != empty_set )
          | ( SV102
            = ( set_meet @ SV11 ) ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1636]) ).

thf(1694,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                      | ~ ( join_commutative @ SV16 ) )
                | ~ ( join_semilatt_str @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1640]) ).

thf(1695,plain,
    ! [SV17: $i,SV150: $i,SV106: $i] :
      ( ( ( in @ SV106 @ SV150 )
        = $false )
      | ( ( in @ SV106 @ ( subset_complement @ SV17 @ SV150 ) )
        = $false )
      | ( ( element @ SV150 @ ( powerset @ SV17 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1641]) ).

thf(1696,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK15_SY236 @ SV18 ) @ ( powerset @ ( the_carrier @ SV18 ) ) )
              | ~ ( open_subset @ ( sK15_SY236 @ SV18 ) @ SV18 ) ) )
        = $true )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1642]) ).

thf(1697,plain,
    ! [SV27: $i,SV190: $i] :
      ( ( ( ~ ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) ) )
        = $true )
      | ( ( ! [SY384: $i] :
              ( ~ ( element @ SY384 @ ( the_carrier @ SV27 ) )
              | ~ ( ~ ( ~ ( in @ SY384 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
                      | ~ ( in @ SY384 @ SV190 ) )
                  | ~ ( ~ ~ ( in @ SY384 @ SV190 )
                      | ( in @ SY384 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1644]) ).

thf(1698,plain,
    ! [SV31: $i] :
      ( ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( ~ ( join_commutative @ SV31 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1645]) ).

thf(1699,plain,
    ! [SV33: $i] :
      ( ( ( element @ ( sK10_SY253 @ SV33 ) @ ( powerset @ SV33 ) )
        = $true )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1646]) ).

thf(1700,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( empty @ ( sK10_SY253 @ SV33 ) ) )
        = $true )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1647]) ).

thf(1701,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK16_SY260 @ SV41 ) @ ( powerset @ ( the_carrier @ SV41 ) ) )
              | ~ ( closed_subset @ ( sK16_SY260 @ SV41 ) @ SV41 ) ) )
        = $true )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1650]) ).

thf(1702,plain,
    ! [SV43: $i,SV116: $i,SV187: $i] :
      ( ( ( ~ ( ~ ( in @ SV187 @ SV116 )
              | ( subset @ SV187 @ SV43 ) ) )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1651]) ).

thf(1703,plain,
    ! [SV116: $i,SV43: $i,SV187: $i] :
      ( ( ( ~ ( ~ ( subset @ SV187 @ SV43 )
              | ( in @ SV187 @ SV116 ) ) )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1651]) ).

thf(1704,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
              | ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 ) ) )
        = $true )
      | ( ( ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
              | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1652]) ).

thf(1705,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
              | ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) ) )
        = $true )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1653]) ).

thf(1706,plain,
    ! [SV44: $i] :
      ( ( ( finite @ ( sK11_SY265 @ SV44 ) )
        = $true )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1654]) ).

thf(1707,plain,
    ! [SV46: $i,SV183: $i,SV117: $i] :
      ( ( ( ~ ( disjoint @ SV117 @ SV183 )
          | ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) )
        = $true )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1655]) ).

thf(1708,plain,
    ! [SV183: $i,SV46: $i,SV117: $i] :
      ( ( ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
          | ( disjoint @ SV117 @ SV183 ) )
        = $true )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1656]) ).

thf(1709,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( epsilon_transitive @ SV174 )
          | ~ ( epsilon_connected @ SV174 ) )
        = $false )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1657]) ).

thf(1710,plain,
    ! [SV184: $i,SV48: $i,SV188: $i] :
      ( ( ( element @ SV188 @ SV48 )
        = $false )
      | ( ( ~ ~ ( in @ SV188 @ SV184 )
          | ( in @ SV188 @ ( subset_complement @ SV48 @ SV184 ) ) )
        = $true )
      | ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1659]) ).

thf(1711,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( ( SV118 != empty_set )
          | ( SV50 = empty_set ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV50
                    = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
              | ~ ( ( SV50
                   != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1660]) ).

thf(1712,plain,
    ! [SV153: $i,SV50: $i,SV118: $i] :
      ( ( ( SV118 = empty_set )
        = $false )
      | ( ( ( SV50 = empty_set )
          | ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV153 = empty_set ) )
              | ~ ( ( SV153 != empty_set )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1661]) ).

thf(1713,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                      | ~ ( meet_commutative @ SV63 ) )
                | ~ ( meet_semilatt_str @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1665]) ).

thf(1714,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ~ ( is_a_cover_of_carrier @ SV67 @ SV176 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV67 )
          = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
        = $true )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1667]) ).

thf(1715,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ( cast_as_carrier_subset @ SV67 )
         != ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
        = $true )
      | ( ( is_a_cover_of_carrier @ SV67 @ SV176 )
        = $true )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1668]) ).

thf(1716,plain,
    ! [SV68: $i] :
      ( ( ~ ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
            | ~ ! [SY374: $i,SY375: $i] :
                  ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                        | ~ ( subset @ SY375 @ SY374 ) )
                  | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1669]) ).

thf(1717,plain,
    ! [SV68: $i] :
      ( ( ! [SY376: $i] :
            ( ~ ( in @ SY376 @ ( sK6_SY295 @ SV68 ) )
            | ( in @ ( powerset @ SY376 ) @ ( sK6_SY295 @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1670]) ).

thf(1718,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ~ ~ ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
              | ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        | ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1671]) ).

thf(1719,plain,
    ! [SV131: $i,SV69: $i] :
      ( ( ( ( complements_of_subsets @ SV69 @ SV131 )
          = empty_set )
        = $false )
      | ( ( SV131 = empty_set )
        = $true )
      | ( ( element @ SV131 @ ( powerset @ ( powerset @ SV69 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1672]) ).

thf(1720,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                      | ~ ( join_commutative @ SV75 ) )
                | ~ ( join_semilatt_str @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1673]) ).

thf(1721,plain,
    ! [SV162: $i,SV136: $i,SV77: $i] :
      ( ( ( in @ SV77 @ SV136 )
        = $false )
      | ( ( ~ ( element @ SV136 @ ( powerset @ SV162 ) ) )
        = $true )
      | ( ( ~ ( empty @ SV162 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1675]) ).

thf(1722,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( ( SV185
           != ( complements_of_subsets @ SV79 @ SV137 ) )
          | ! [SY381: $i] :
              ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
              | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                      | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                      | ( in @ SY381 @ SV185 ) ) ) ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1676]) ).

thf(1723,plain,
    ! [SV137: $i,SV185: $i,SV79: $i] :
      ( ( ( ~ ! [SY382: $i] :
                ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                        | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                    | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                        | ( in @ SY382 @ SV185 ) ) ) )
          | ( SV185
            = ( complements_of_subsets @ SV79 @ SV137 ) ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1677]) ).

thf(1724,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV80 )
                | ~ ( meet_semilatt_str @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1678]) ).

thf(1725,plain,
    ! [SV82: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK17_SY319 @ SV82 ) @ ( powerset @ ( the_carrier @ SV82 ) ) )
                | ~ ~ ( empty @ ( sK17_SY319 @ SV82 ) ) ) )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1679]) ).

thf(1726,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                      | ~ ( meet_commutative @ SV84 ) )
                | ~ ( meet_semilatt_str @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1680]) ).

thf(1727,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV85 )
                | ~ ( join_semilatt_str @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1681]) ).

thf(1728,plain,
    ! [SV87: $i,SV191: $i] :
      ( ( ( ~ ( element @ SV191 @ ( the_carrier @ SV87 ) ) )
        = $true )
      | ( ( ! [SY385: $i] :
              ( ~ ( element @ SY385 @ ( the_carrier @ SV87 ) )
              | ~ ( ~ ( ~ ( below @ SV87 @ SV191 @ SY385 )
                      | ( ( join @ SV87 @ SV191 @ SY385 )
                        = SY385 ) )
                  | ~ ( ( ( join @ SV87 @ SV191 @ SY385 )
                       != SY385 )
                      | ( below @ SV87 @ SV191 @ SY385 ) ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1682]) ).

thf(1729,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( element @ SV143 @ SV92 )
              | ( in @ SV143 @ SV92 ) ) )
        = $false )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1683]) ).

thf(1730,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( ~ ( in @ SV143 @ SV92 )
              | ( element @ SV143 @ SV92 ) ) )
        = $false )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1683]) ).

thf(1731,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( element @ SV143 @ SV92 )
          | ( empty @ SV143 ) )
        = $true )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1684]) ).

thf(1732,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( empty @ SV143 )
          | ( element @ SV143 @ SV92 ) )
        = $true )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1685]) ).

thf(1733,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( SV181 != empty_set )
        = $false )
      | ( ( ~ ! [SY378: $i] :
                ~ ~ ( ~ ( in @ SY378 @ SV181 )
                    | ~ ! [SY379: $i] :
                          ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                | ~ ( subset @ SY378 @ SY379 ) )
                          | ( SY379 = SY378 ) ) ) )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1688]) ).

thf(1734,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( v1_membered @ SV168 ) )
        = $false )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1689]) ).

thf(1735,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( ~ ( v2_membered @ SV168 ) )
        = $false )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1689]) ).

thf(1736,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ( SV102
           != ( set_meet @ SV11 ) )
          | ! [SY340: $i] :
              ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                    | ! [SY223: $i] :
                        ( ~ ( in @ SY223 @ SV11 )
                        | ( in @ SY340 @ SY223 ) ) )
                | ~ ( ~ ! [SY224: $i] :
                          ( ~ ( in @ SY224 @ SV11 )
                          | ( in @ SY340 @ SY224 ) )
                    | ( in @ SY340 @ SV102 ) ) ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1690]) ).

thf(1737,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ! [SY343: $i] :
                ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                      | ! [SY226: $i] :
                          ( ~ ( in @ SY226 @ SV11 )
                          | ( in @ SY343 @ SY226 ) ) )
                  | ~ ( ~ ! [SY227: $i] :
                            ( ~ ( in @ SY227 @ SV11 )
                            | ( in @ SY343 @ SY227 ) )
                      | ( in @ SY343 @ SV102 ) ) )
          | ( SV102
            = ( set_meet @ SV11 ) ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1691]) ).

thf(1738,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( SV102
         != ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV102 = empty_set )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1692]) ).

thf(1739,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( SV102 != empty_set )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1693]) ).

thf(1740,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                    | ~ ( join_commutative @ SV16 ) )
              | ~ ( join_semilatt_str @ SV16 ) ) )
        = $false )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1694]) ).

thf(1741,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( element @ ( sK15_SY236 @ SV18 ) @ ( powerset @ ( the_carrier @ SV18 ) ) )
          | ~ ( open_subset @ ( sK15_SY236 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1696]) ).

thf(1742,plain,
    ! [SV27: $i,SV190: $i] :
      ( ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( ! [SY384: $i] :
              ( ~ ( element @ SY384 @ ( the_carrier @ SV27 ) )
              | ~ ( ~ ( ~ ( in @ SY384 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
                      | ~ ( in @ SY384 @ SV190 ) )
                  | ~ ( ~ ~ ( in @ SY384 @ SV190 )
                      | ( in @ SY384 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1697]) ).

thf(1743,plain,
    ! [SV31: $i] :
      ( ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV31 ) )
        = $true )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1698]) ).

thf(1744,plain,
    ! [SV33: $i] :
      ( ( ( empty @ ( sK10_SY253 @ SV33 ) )
        = $false )
      | ( ( empty @ SV33 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1700]) ).

thf(1745,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( element @ ( sK16_SY260 @ SV41 ) @ ( powerset @ ( the_carrier @ SV41 ) ) )
          | ~ ( closed_subset @ ( sK16_SY260 @ SV41 ) @ SV41 ) )
        = $false )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1701]) ).

thf(1746,plain,
    ! [SV43: $i,SV116: $i,SV187: $i] :
      ( ( ( ~ ( in @ SV187 @ SV116 )
          | ( subset @ SV187 @ SV43 ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1702]) ).

thf(1747,plain,
    ! [SV116: $i,SV43: $i,SV187: $i] :
      ( ( ( ~ ( subset @ SV187 @ SV43 )
          | ( in @ SV187 @ SV116 ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1703]) ).

thf(1748,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
          | ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 ) )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
              | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1704]) ).

thf(1749,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
          | ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1705]) ).

thf(1750,plain,
    ! [SV46: $i,SV183: $i,SV117: $i] :
      ( ( ( ~ ( disjoint @ SV117 @ SV183 ) )
        = $true )
      | ( ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
        = $true )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1707]) ).

thf(1751,plain,
    ! [SV183: $i,SV46: $i,SV117: $i] :
      ( ( ( ~ ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) ) )
        = $true )
      | ( ( disjoint @ SV117 @ SV183 )
        = $true )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1708]) ).

thf(1752,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( epsilon_transitive @ SV174 ) )
        = $false )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1709]) ).

thf(1753,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( ~ ( epsilon_connected @ SV174 ) )
        = $false )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1709]) ).

thf(1754,plain,
    ! [SV48: $i,SV184: $i,SV188: $i] :
      ( ( ( ~ ~ ( in @ SV188 @ SV184 ) )
        = $true )
      | ( ( in @ SV188 @ ( subset_complement @ SV48 @ SV184 ) )
        = $true )
      | ( ( element @ SV188 @ SV48 )
        = $false )
      | ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1710]) ).

thf(1755,plain,
    ! [SV50: $i,SV153: $i,SV118: $i] :
      ( ( ( SV118 != empty_set )
        = $false )
      | ( ( ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV50
                    = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
              | ~ ( ( SV50
                   != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1711]) ).

thf(1756,plain,
    ! [SV118: $i,SV153: $i,SV50: $i] :
      ( ( ( SV50 = empty_set )
        = $false )
      | ( ( ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV50
                    = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
              | ~ ( ( SV50
                   != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1711]) ).

thf(1757,plain,
    ! [SV118: $i,SV153: $i,SV50: $i] :
      ( ( ( SV50 = empty_set )
        = $true )
      | ( ( ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV153 = empty_set ) )
              | ~ ( ( SV153 != empty_set )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1712]) ).

thf(1758,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                    | ~ ( meet_commutative @ SV63 ) )
              | ~ ( meet_semilatt_str @ SV63 ) ) )
        = $false )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1713]) ).

thf(1759,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( is_a_cover_of_carrier @ SV67 @ SV176 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV67 )
          = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
        = $true )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1714]) ).

thf(1760,plain,
    ! [SV176: $i,SV67: $i] :
      ( ( ( ( cast_as_carrier_subset @ SV67 )
          = ( union_of_subsets @ ( the_carrier @ SV67 ) @ SV176 ) )
        = $false )
      | ( ( is_a_cover_of_carrier @ SV67 @ SV176 )
        = $true )
      | ( ( element @ SV176 @ ( powerset @ ( powerset @ ( the_carrier @ SV67 ) ) ) )
        = $false )
      | ( ( one_sorted_str @ SV67 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1715]) ).

thf(1761,plain,
    ! [SV68: $i] :
      ( ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
        | ~ ! [SY374: $i,SY375: $i] :
              ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                    | ~ ( subset @ SY375 @ SY374 ) )
              | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1716]) ).

thf(1762,plain,
    ! [SV68: $i,SV192: $i] :
      ( ( ~ ( in @ SV192 @ ( sK6_SY295 @ SV68 ) )
        | ( in @ ( powerset @ SV192 ) @ ( sK6_SY295 @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1717]) ).

thf(1763,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( ~ ~ ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
                | ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1718]) ).

thf(1764,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                    | ~ ( join_commutative @ SV75 ) )
              | ~ ( join_semilatt_str @ SV75 ) ) )
        = $false )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1720]) ).

thf(1765,plain,
    ! [SV77: $i,SV162: $i,SV136: $i] :
      ( ( ( element @ SV136 @ ( powerset @ SV162 ) )
        = $false )
      | ( ( in @ SV77 @ SV136 )
        = $false )
      | ( ( ~ ( empty @ SV162 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1721]) ).

thf(1766,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( SV185
         != ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( ! [SY381: $i] :
              ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
              | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                      | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                      | ( in @ SY381 @ SV185 ) ) ) ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1722]) ).

thf(1767,plain,
    ! [SV137: $i,SV185: $i,SV79: $i] :
      ( ( ( ~ ! [SY382: $i] :
                ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
                | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                        | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                    | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                        | ( in @ SY382 @ SV185 ) ) ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1723]) ).

thf(1768,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV80 )
              | ~ ( meet_semilatt_str @ SV80 ) ) )
        = $false )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1724]) ).

thf(1769,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK17_SY319 @ SV82 ) @ ( powerset @ ( the_carrier @ SV82 ) ) )
              | ~ ~ ( empty @ ( sK17_SY319 @ SV82 ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1725]) ).

thf(1770,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                    | ~ ( meet_commutative @ SV84 ) )
              | ~ ( meet_semilatt_str @ SV84 ) ) )
        = $false )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1726]) ).

thf(1771,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV85 )
              | ~ ( join_semilatt_str @ SV85 ) ) )
        = $false )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1727]) ).

thf(1772,plain,
    ! [SV87: $i,SV191: $i] :
      ( ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( ! [SY385: $i] :
              ( ~ ( element @ SY385 @ ( the_carrier @ SV87 ) )
              | ~ ( ~ ( ~ ( below @ SV87 @ SV191 @ SY385 )
                      | ( ( join @ SV87 @ SV191 @ SY385 )
                        = SY385 ) )
                  | ~ ( ( ( join @ SV87 @ SV191 @ SY385 )
                       != SY385 )
                      | ( below @ SV87 @ SV191 @ SY385 ) ) ) ) )
        = $true )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1728]) ).

thf(1773,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( element @ SV143 @ SV92 )
          | ( in @ SV143 @ SV92 ) )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1729]) ).

thf(1774,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ SV92 )
          | ( element @ SV143 @ SV92 ) )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1730]) ).

thf(1775,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( element @ SV143 @ SV92 ) )
        = $true )
      | ( ( empty @ SV143 )
        = $true )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1731]) ).

thf(1776,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( empty @ SV143 ) )
        = $true )
      | ( ( element @ SV143 @ SV92 )
        = $true )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1732]) ).

thf(1777,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( SV181 = empty_set )
        = $true )
      | ( ( ~ ! [SY378: $i] :
                ~ ~ ( ~ ( in @ SY378 @ SV181 )
                    | ~ ! [SY379: $i] :
                          ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                                | ~ ( subset @ SY378 @ SY379 ) )
                          | ( SY379 = SY378 ) ) ) )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1733]) ).

thf(1778,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( v1_membered @ SV168 )
        = $true )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1734]) ).

thf(1779,plain,
    ! [SV10: $i,SV168: $i] :
      ( ( ( v2_membered @ SV168 )
        = $true )
      | ( ( element @ SV168 @ ( powerset @ SV10 ) )
        = $false )
      | ( ( v3_membered @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1735]) ).

thf(1780,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( SV102
         != ( set_meet @ SV11 ) )
        = $true )
      | ( ( ! [SY340: $i] :
              ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                    | ! [SY223: $i] :
                        ( ~ ( in @ SY223 @ SV11 )
                        | ( in @ SY340 @ SY223 ) ) )
                | ~ ( ~ ! [SY224: $i] :
                          ( ~ ( in @ SY224 @ SV11 )
                          | ( in @ SY340 @ SY224 ) )
                    | ( in @ SY340 @ SV102 ) ) ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1736]) ).

thf(1781,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ! [SY343: $i] :
                ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                      | ! [SY226: $i] :
                          ( ~ ( in @ SY226 @ SV11 )
                          | ( in @ SY343 @ SY226 ) ) )
                  | ~ ( ~ ! [SY227: $i] :
                            ( ~ ( in @ SY227 @ SV11 )
                            | ( in @ SY343 @ SY227 ) )
                      | ( in @ SY343 @ SV102 ) ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1737]) ).

thf(1782,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV102 = empty_set )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1738]) ).

thf(1783,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( SV102 = empty_set )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1739]) ).

thf(1784,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                | ~ ( join_commutative @ SV16 ) )
          | ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1740]) ).

thf(1785,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( element @ ( sK15_SY236 @ SV18 ) @ ( powerset @ ( the_carrier @ SV18 ) ) ) )
        = $false )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1741]) ).

thf(1786,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( open_subset @ ( sK15_SY236 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1741]) ).

thf(1787,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( ~ ( element @ SV193 @ ( the_carrier @ SV27 ) )
          | ~ ( ~ ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
                  | ~ ( in @ SV193 @ SV190 ) )
              | ~ ( ~ ~ ( in @ SV193 @ SV190 )
                  | ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) ) )
        = $true )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1742]) ).

thf(1788,plain,
    ! [SV31: $i] :
      ( ( ( join_semilatt_str @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( ! [SY251: $i] :
              ( ~ ( element @ SY251 @ ( the_carrier @ SV31 ) )
              | ! [SY252: $i] :
                  ( ~ ( element @ SY252 @ ( the_carrier @ SV31 ) )
                  | ~ ~ ( ~ ( below @ SV31 @ SY251 @ SY252 )
                        | ~ ( below @ SV31 @ SY252 @ SY251 ) )
                  | ( SY251 = SY252 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1743]) ).

thf(1789,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( element @ ( sK16_SY260 @ SV41 ) @ ( powerset @ ( the_carrier @ SV41 ) ) ) )
        = $false )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1745]) ).

thf(1790,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( closed_subset @ ( sK16_SY260 @ SV41 ) @ SV41 ) )
        = $false )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1745]) ).

thf(1791,plain,
    ! [SV43: $i,SV116: $i,SV187: $i] :
      ( ( ( ~ ( in @ SV187 @ SV116 ) )
        = $true )
      | ( ( subset @ SV187 @ SV43 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1746]) ).

thf(1792,plain,
    ! [SV116: $i,SV43: $i,SV187: $i] :
      ( ( ( ~ ( subset @ SV187 @ SV43 ) )
        = $true )
      | ( ( in @ SV187 @ SV116 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1747]) ).

thf(1793,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
              | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1748]) ).

thf(1794,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $false )
      | ( ( ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
              | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1748]) ).

thf(1795,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1749]) ).

thf(1796,plain,
    ! [SV44: $i] :
      ( ( ( ~ ~ ( empty @ ( sK11_SY265 @ SV44 ) ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1749]) ).

thf(1797,plain,
    ! [SV46: $i,SV183: $i,SV117: $i] :
      ( ( ( disjoint @ SV117 @ SV183 )
        = $false )
      | ( ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
        = $true )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1750]) ).

thf(1798,plain,
    ! [SV183: $i,SV46: $i,SV117: $i] :
      ( ( ( subset @ SV117 @ ( subset_complement @ SV46 @ SV183 ) )
        = $false )
      | ( ( disjoint @ SV117 @ SV183 )
        = $true )
      | ( ( element @ SV183 @ ( powerset @ SV46 ) )
        = $false )
      | ( ( element @ SV117 @ ( powerset @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1751]) ).

thf(1799,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( epsilon_transitive @ SV174 )
        = $true )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1752]) ).

thf(1800,plain,
    ! [SV47: $i,SV174: $i] :
      ( ( ( epsilon_connected @ SV174 )
        = $true )
      | ( ( element @ SV174 @ SV47 )
        = $false )
      | ( ( ordinal @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1753]) ).

thf(1801,plain,
    ! [SV48: $i,SV184: $i,SV188: $i] :
      ( ( ( ~ ( in @ SV188 @ SV184 ) )
        = $false )
      | ( ( in @ SV188 @ ( subset_complement @ SV48 @ SV184 ) )
        = $true )
      | ( ( element @ SV188 @ SV48 )
        = $false )
      | ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1754]) ).

thf(1802,plain,
    ! [SV50: $i,SV153: $i,SV118: $i] :
      ( ( ( SV118 = empty_set )
        = $true )
      | ( ( ~ ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
                  | ( SV50
                    = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
              | ~ ( ( SV50
                   != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
                  | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) ) )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1755]) ).

thf(1803,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
              | ( SV50
                = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
          | ~ ( ( SV50
               != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
              | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1756]) ).

thf(1804,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
              | ( SV153 = empty_set ) )
          | ~ ( ( SV153 != empty_set )
              | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1757]) ).

thf(1805,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                | ~ ( meet_commutative @ SV63 ) )
          | ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1758]) ).

thf(1806,plain,
    ! [SV68: $i] :
      ( ( ~ ( in @ SV68 @ ( sK6_SY295 @ SV68 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1761]) ).

thf(1807,plain,
    ! [SV68: $i] :
      ( ( ~ ! [SY374: $i,SY375: $i] :
              ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                    | ~ ( subset @ SY375 @ SY374 ) )
              | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[1761]) ).

thf(1808,plain,
    ! [SV68: $i,SV192: $i] :
      ( ( ( ~ ( in @ SV192 @ ( sK6_SY295 @ SV68 ) ) )
        = $true )
      | ( ( in @ ( powerset @ SV192 ) @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1762]) ).

thf(1809,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( ~ ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
              | ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) ) )
        = $false )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1763]) ).

thf(1810,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                | ~ ( join_commutative @ SV75 ) )
          | ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1764]) ).

thf(1811,plain,
    ! [SV136: $i,SV77: $i,SV162: $i] :
      ( ( ( empty @ SV162 )
        = $false )
      | ( ( in @ SV77 @ SV136 )
        = $false )
      | ( ( element @ SV136 @ ( powerset @ SV162 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1765]) ).

thf(1812,plain,
    ! [SV137: $i,SV79: $i,SV185: $i] :
      ( ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( ! [SY381: $i] :
              ( ~ ( element @ SY381 @ ( powerset @ SV79 ) )
              | ~ ( ~ ( ~ ( in @ SY381 @ SV185 )
                      | ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY381 ) @ SV137 )
                      | ( in @ SY381 @ SV185 ) ) ) ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1766]) ).

thf(1813,plain,
    ! [SV137: $i,SV185: $i,SV79: $i] :
      ( ( ( ! [SY382: $i] :
              ( ~ ( element @ SY382 @ ( powerset @ SV79 ) )
              | ~ ( ~ ( ~ ( in @ SY382 @ SV185 )
                      | ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 ) )
                  | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SY382 ) @ SV137 )
                      | ( in @ SY382 @ SV185 ) ) ) ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1767]) ).

thf(1814,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV80 )
          | ~ ( meet_semilatt_str @ SV80 ) )
        = $true )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1768]) ).

thf(1815,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( element @ ( sK17_SY319 @ SV82 ) @ ( powerset @ ( the_carrier @ SV82 ) ) )
          | ~ ~ ( empty @ ( sK17_SY319 @ SV82 ) ) )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1769]) ).

thf(1816,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                | ~ ( meet_commutative @ SV84 ) )
          | ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1770]) ).

thf(1817,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV85 )
          | ~ ( join_semilatt_str @ SV85 ) )
        = $true )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1771]) ).

thf(1818,plain,
    ! [SV191: $i,SV87: $i,SV194: $i] :
      ( ( ( ~ ( element @ SV194 @ ( the_carrier @ SV87 ) )
          | ~ ( ~ ( ~ ( below @ SV87 @ SV191 @ SV194 )
                  | ( ( join @ SV87 @ SV191 @ SV194 )
                    = SV194 ) )
              | ~ ( ( ( join @ SV87 @ SV191 @ SV194 )
                   != SV194 )
                  | ( below @ SV87 @ SV191 @ SV194 ) ) ) )
        = $true )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1772]) ).

thf(1819,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( element @ SV143 @ SV92 ) )
        = $true )
      | ( ( in @ SV143 @ SV92 )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1773]) ).

thf(1820,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( ~ ( in @ SV143 @ SV92 ) )
        = $true )
      | ( ( element @ SV143 @ SV92 )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1774]) ).

thf(1821,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( element @ SV143 @ SV92 )
        = $false )
      | ( ( empty @ SV143 )
        = $true )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1775]) ).

thf(1822,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( empty @ SV143 )
        = $false )
      | ( ( element @ SV143 @ SV92 )
        = $true )
      | ( ( empty @ SV92 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1776]) ).

thf(1823,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ! [SY378: $i] :
              ~ ~ ( ~ ( in @ SY378 @ SV181 )
                  | ~ ! [SY379: $i] :
                        ( ~ ~ ( ~ ( in @ SY379 @ SV181 )
                              | ~ ( subset @ SY378 @ SY379 ) )
                        | ( SY379 = SY378 ) ) ) )
        = $false )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1777]) ).

thf(1824,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( ! [SY340: $i] :
              ~ ( ~ ( ~ ( in @ SY340 @ SV102 )
                    | ! [SY223: $i] :
                        ( ~ ( in @ SY223 @ SV11 )
                        | ( in @ SY340 @ SY223 ) ) )
                | ~ ( ~ ! [SY224: $i] :
                          ( ~ ( in @ SY224 @ SV11 )
                          | ( in @ SY340 @ SY224 ) )
                    | ( in @ SY340 @ SV102 ) ) ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1780]) ).

thf(1825,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ! [SY343: $i] :
              ~ ( ~ ( ~ ( in @ SY343 @ SV102 )
                    | ! [SY226: $i] :
                        ( ~ ( in @ SY226 @ SV11 )
                        | ( in @ SY343 @ SY226 ) ) )
                | ~ ( ~ ! [SY227: $i] :
                          ( ~ ( in @ SY227 @ SV11 )
                          | ( in @ SY343 @ SY227 ) )
                    | ( in @ SY343 @ SV102 ) ) ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1781]) ).

thf(1826,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV16 )
                | ~ ( join_commutative @ SV16 ) ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1784]) ).

thf(1827,plain,
    ! [SV18: $i] :
      ( ( ( element @ ( sK15_SY236 @ SV18 ) @ ( powerset @ ( the_carrier @ SV18 ) ) )
        = $true )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1785]) ).

thf(1828,plain,
    ! [SV18: $i] :
      ( ( ( open_subset @ ( sK15_SY236 @ SV18 ) @ SV18 )
        = $true )
      | ( ( topological_space @ SV18 )
        = $false )
      | ( ( top_str @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1786]) ).

thf(1829,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( ~ ( element @ SV193 @ ( the_carrier @ SV27 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
                  | ~ ( in @ SV193 @ SV190 ) )
              | ~ ( ~ ~ ( in @ SV193 @ SV190 )
                  | ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) ) )
        = $true )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1787]) ).

thf(1830,plain,
    ! [SV31: $i,SV195: $i] :
      ( ( ( ~ ( element @ SV195 @ ( the_carrier @ SV31 ) )
          | ! [SY386: $i] :
              ( ~ ( element @ SY386 @ ( the_carrier @ SV31 ) )
              | ~ ~ ( ~ ( below @ SV31 @ SV195 @ SY386 )
                    | ~ ( below @ SV31 @ SY386 @ SV195 ) )
              | ( SV195 = SY386 ) ) )
        = $true )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1788]) ).

thf(1831,plain,
    ! [SV41: $i] :
      ( ( ( element @ ( sK16_SY260 @ SV41 ) @ ( powerset @ ( the_carrier @ SV41 ) ) )
        = $true )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1789]) ).

thf(1832,plain,
    ! [SV41: $i] :
      ( ( ( closed_subset @ ( sK16_SY260 @ SV41 ) @ SV41 )
        = $true )
      | ( ( topological_space @ SV41 )
        = $false )
      | ( ( top_str @ SV41 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1790]) ).

thf(1833,plain,
    ! [SV43: $i,SV116: $i,SV187: $i] :
      ( ( ( in @ SV187 @ SV116 )
        = $false )
      | ( ( subset @ SV187 @ SV43 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1791]) ).

thf(1834,plain,
    ! [SV116: $i,SV43: $i,SV187: $i] :
      ( ( ( subset @ SV187 @ SV43 )
        = $false )
      | ( ( in @ SV187 @ SV116 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1792]) ).

thf(1835,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $true )
      | ( ( ~ ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
              | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) ) )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1793]) ).

thf(1836,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
          | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) )
        = $false )
      | ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1794]) ).

thf(1837,plain,
    ! [SV44: $i] :
      ( ( ( element @ ( sK11_SY265 @ SV44 ) @ ( powerset @ SV44 ) )
        = $true )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1795]) ).

thf(1838,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( empty @ ( sK11_SY265 @ SV44 ) ) )
        = $true )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1796]) ).

thf(1839,plain,
    ! [SV48: $i,SV184: $i,SV188: $i] :
      ( ( ( in @ SV188 @ SV184 )
        = $true )
      | ( ( in @ SV188 @ ( subset_complement @ SV48 @ SV184 ) )
        = $true )
      | ( ( element @ SV188 @ SV48 )
        = $false )
      | ( ( element @ SV184 @ ( powerset @ SV48 ) )
        = $false )
      | ( ( SV48 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1801]) ).

thf(1840,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
              | ( SV50
                = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
          | ~ ( ( SV50
               != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
              | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) )
        = $false )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1802]) ).

thf(1841,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
              | ( SV50
                = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1803]) ).

thf(1842,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( ~ ( ( SV50
               != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
              | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1803]) ).

thf(1843,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
              | ( SV153 = empty_set ) ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1804]) ).

thf(1844,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ( SV153 != empty_set )
              | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) )
        = $false )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1804]) ).

thf(1845,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV63 )
                | ~ ( meet_commutative @ SV63 ) ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1805]) ).

thf(1846,plain,
    ! [SV68: $i] :
      ( ( in @ SV68 @ ( sK6_SY295 @ SV68 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1806]) ).

thf(1847,plain,
    ! [SV68: $i] :
      ( ( ! [SY374: $i,SY375: $i] :
            ( ~ ~ ( ~ ( in @ SY374 @ ( sK6_SY295 @ SV68 ) )
                  | ~ ( subset @ SY375 @ SY374 ) )
            | ( in @ SY375 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1807]) ).

thf(1848,plain,
    ! [SV68: $i,SV192: $i] :
      ( ( ( in @ SV192 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( in @ ( powerset @ SV192 ) @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1808]) ).

thf(1849,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
          | ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1809]) ).

thf(1850,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV75 )
                | ~ ( join_commutative @ SV75 ) ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1810]) ).

thf(1851,plain,
    ! [SV137: $i,SV185: $i,SV79: $i,SV196: $i] :
      ( ( ( ~ ( element @ SV196 @ ( powerset @ SV79 ) )
          | ~ ( ~ ( ~ ( in @ SV196 @ SV185 )
                  | ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
                  | ( in @ SV196 @ SV185 ) ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1812]) ).

thf(1852,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( element @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ ( powerset @ SV79 ) )
          | ~ ( ~ ( ~ ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
                  | ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
                  | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1813]) ).

thf(1853,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV80 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV80 ) )
        = $true )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1814]) ).

thf(1854,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( element @ ( sK17_SY319 @ SV82 ) @ ( powerset @ ( the_carrier @ SV82 ) ) ) )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1815]) ).

thf(1855,plain,
    ! [SV82: $i] :
      ( ( ( ~ ~ ( empty @ ( sK17_SY319 @ SV82 ) ) )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1815]) ).

thf(1856,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV84 )
                | ~ ( meet_commutative @ SV84 ) ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1816]) ).

thf(1857,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV85 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV85 ) )
        = $true )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1817]) ).

thf(1858,plain,
    ! [SV191: $i,SV87: $i,SV194: $i] :
      ( ( ( ~ ( element @ SV194 @ ( the_carrier @ SV87 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( below @ SV87 @ SV191 @ SV194 )
                  | ( ( join @ SV87 @ SV191 @ SV194 )
                    = SV194 ) )
              | ~ ( ( ( join @ SV87 @ SV191 @ SV194 )
                   != SV194 )
                  | ( below @ SV87 @ SV191 @ SV194 ) ) ) )
        = $true )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1818]) ).

thf(1859,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( element @ SV143 @ SV92 )
        = $false )
      | ( ( in @ SV143 @ SV92 )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1819]) ).

thf(1860,plain,
    ! [SV92: $i,SV143: $i] :
      ( ( ( in @ SV143 @ SV92 )
        = $false )
      | ( ( element @ SV143 @ SV92 )
        = $true )
      | ( ( empty @ SV92 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1820]) ).

thf(1861,plain,
    ! [SV181: $i,SV100: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV181 )
                | ~ ! [SY387: $i] :
                      ( ~ ~ ( ~ ( in @ SY387 @ SV181 )
                            | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SY387 ) )
                      | ( SY387
                        = ( sK19_SY378 @ SV100 @ SV181 ) ) ) ) )
        = $false )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1823]) ).

thf(1862,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV197 @ SV102 )
                  | ! [SY388: $i] :
                      ( ~ ( in @ SY388 @ SV11 )
                      | ( in @ SV197 @ SY388 ) ) )
              | ~ ( ~ ! [SY389: $i] :
                        ( ~ ( in @ SY389 @ SV11 )
                        | ( in @ SV197 @ SY389 ) )
                  | ( in @ SV197 @ SV102 ) ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1824]) ).

thf(1863,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
                  | ! [SY390: $i] :
                      ( ~ ( in @ SY390 @ SV11 )
                      | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY390 ) ) )
              | ~ ( ~ ! [SY391: $i] :
                        ( ~ ( in @ SY391 @ SV11 )
                        | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
                  | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1825]) ).

thf(1864,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV16 )
              | ~ ( join_commutative @ SV16 ) ) )
        = $false )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1826]) ).

thf(1865,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
                  | ~ ( in @ SV193 @ SV190 ) )
              | ~ ( ~ ~ ( in @ SV193 @ SV190 )
                  | ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) ) )
        = $true )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1829]) ).

thf(1866,plain,
    ! [SV31: $i,SV195: $i] :
      ( ( ( ~ ( element @ SV195 @ ( the_carrier @ SV31 ) ) )
        = $true )
      | ( ( ! [SY386: $i] :
              ( ~ ( element @ SY386 @ ( the_carrier @ SV31 ) )
              | ~ ~ ( ~ ( below @ SV31 @ SV195 @ SY386 )
                    | ~ ( below @ SV31 @ SY386 @ SV195 ) )
              | ( SV195 = SY386 ) ) )
        = $true )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1830]) ).

thf(1867,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
          | ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 ) )
        = $false )
      | ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1835]) ).

thf(1868,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 ) )
        = $false )
      | ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(1869,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $false )
      | ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1836]) ).

thf(1870,plain,
    ! [SV44: $i] :
      ( ( ( empty @ ( sK11_SY265 @ SV44 ) )
        = $false )
      | ( ( empty @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1838]) ).

thf(1871,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
              | ( SV50
                = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) ) )
        = $false )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1840]) ).

thf(1872,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( ~ ( ( SV50
               != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
              | ( quasi_total @ SV153 @ SV50 @ SV118 ) ) )
        = $false )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1840]) ).

thf(1873,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
          | ( SV50
            = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1841]) ).

thf(1874,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( ( SV50
           != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
          | ( quasi_total @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1842]) ).

thf(1875,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
          | ( SV153 = empty_set ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1843]) ).

thf(1876,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ( SV153 != empty_set )
          | ( quasi_total @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1844]) ).

thf(1877,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV63 )
              | ~ ( meet_commutative @ SV63 ) ) )
        = $false )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1845]) ).

thf(1878,plain,
    ! [SV68: $i,SV198: $i] :
      ( ( ! [SY392: $i] :
            ( ~ ~ ( ~ ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
                  | ~ ( subset @ SY392 @ SV198 ) )
            | ( in @ SY392 @ ( sK6_SY295 @ SV68 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1847]) ).

thf(1879,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( ~ ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true )
      | ( ( ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1849]) ).

thf(1880,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV75 )
              | ~ ( join_commutative @ SV75 ) ) )
        = $false )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1850]) ).

thf(1881,plain,
    ! [SV137: $i,SV185: $i,SV79: $i,SV196: $i] :
      ( ( ( ~ ( element @ SV196 @ ( powerset @ SV79 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( in @ SV196 @ SV185 )
                  | ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
                  | ( in @ SV196 @ SV185 ) ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1851]) ).

thf(1882,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( element @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1852]) ).

thf(1883,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
                  | ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
                  | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1852]) ).

thf(1884,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( ~ ( empty_carrier @ SV80 ) )
        = $false )
      | ( ( ~ ( meet_semilatt_str @ SV80 ) )
        = $true )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1853]) ).

thf(1885,plain,
    ! [SV82: $i] :
      ( ( ( element @ ( sK17_SY319 @ SV82 ) @ ( powerset @ ( the_carrier @ SV82 ) ) )
        = $true )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1854]) ).

thf(1886,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( empty @ ( sK17_SY319 @ SV82 ) ) )
        = $true )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1855]) ).

thf(1887,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV84 )
              | ~ ( meet_commutative @ SV84 ) ) )
        = $false )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1856]) ).

thf(1888,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( ~ ( empty_carrier @ SV85 ) )
        = $false )
      | ( ( ~ ( join_semilatt_str @ SV85 ) )
        = $true )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1857]) ).

thf(1889,plain,
    ! [SV191: $i,SV87: $i,SV194: $i] :
      ( ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( below @ SV87 @ SV191 @ SV194 )
                  | ( ( join @ SV87 @ SV191 @ SV194 )
                    = SV194 ) )
              | ~ ( ( ( join @ SV87 @ SV191 @ SV194 )
                   != SV194 )
                  | ( below @ SV87 @ SV191 @ SV194 ) ) ) )
        = $true )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1858]) ).

thf(1890,plain,
    ! [SV181: $i,SV100: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV181 )
              | ~ ! [SY387: $i] :
                    ( ~ ~ ( ~ ( in @ SY387 @ SV181 )
                          | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SY387 ) )
                    | ( SY387
                      = ( sK19_SY378 @ SV100 @ SV181 ) ) ) ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1861]) ).

thf(1891,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( ~ ( ~ ( in @ SV197 @ SV102 )
              | ! [SY388: $i] :
                  ( ~ ( in @ SY388 @ SV11 )
                  | ( in @ SV197 @ SY388 ) ) )
          | ~ ( ~ ! [SY389: $i] :
                    ( ~ ( in @ SY389 @ SV11 )
                    | ( in @ SV197 @ SY389 ) )
              | ( in @ SV197 @ SV102 ) ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1862]) ).

thf(1892,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
              | ! [SY390: $i] :
                  ( ~ ( in @ SY390 @ SV11 )
                  | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY390 ) ) )
          | ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1863]) ).

thf(1893,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV16 )
          | ~ ( join_commutative @ SV16 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1864]) ).

thf(1894,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( ~ ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
              | ~ ( in @ SV193 @ SV190 ) )
          | ~ ( ~ ~ ( in @ SV193 @ SV190 )
              | ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) )
        = $false )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1865]) ).

thf(1895,plain,
    ! [SV31: $i,SV195: $i] :
      ( ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( ! [SY386: $i] :
              ( ~ ( element @ SY386 @ ( the_carrier @ SV31 ) )
              | ~ ~ ( ~ ( below @ SV31 @ SV195 @ SY386 )
                    | ~ ( below @ SV31 @ SY386 @ SV195 ) )
              | ( SV195 = SY386 ) ) )
        = $true )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1866]) ).

thf(1896,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( ~ ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 ) )
        = $false )
      | ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1867]) ).

thf(1897,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $false )
      | ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1867]) ).

thf(1898,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $true )
      | ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $false )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1868]) ).

thf(1899,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 )
          | ( SV50
            = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) ) )
        = $true )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1871]) ).

thf(1900,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( ( SV50
           != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
          | ( quasi_total @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1872]) ).

thf(1901,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( SV50
          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1873]) ).

thf(1902,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( SV50
         != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $true )
      | ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $true )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1874]) ).

thf(1903,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( SV153 = empty_set )
        = $true )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1875]) ).

thf(1904,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( SV153 != empty_set )
        = $true )
      | ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $true )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1876]) ).

thf(1905,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV63 )
          | ~ ( meet_commutative @ SV63 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1877]) ).

thf(1906,plain,
    ! [SV199: $i,SV68: $i,SV198: $i] :
      ( ( ~ ~ ( ~ ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
              | ~ ( subset @ SV199 @ SV198 ) )
        | ( in @ SV199 @ ( sK6_SY295 @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1878]) ).

thf(1907,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( ~ ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1879]) ).

thf(1908,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV75 )
          | ~ ( join_commutative @ SV75 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1880]) ).

thf(1909,plain,
    ! [SV137: $i,SV185: $i,SV79: $i,SV196: $i] :
      ( ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( in @ SV196 @ SV185 )
                  | ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) )
              | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
                  | ( in @ SV196 @ SV185 ) ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1881]) ).

thf(1910,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( element @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ ( powerset @ SV79 ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1882]) ).

thf(1911,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
              | ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) )
          | ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
              | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1883]) ).

thf(1912,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( empty_carrier @ SV80 )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV80 ) )
        = $true )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1884]) ).

thf(1913,plain,
    ! [SV82: $i] :
      ( ( ( empty @ ( sK17_SY319 @ SV82 ) )
        = $false )
      | ( ( empty_carrier @ SV82 )
        = $true )
      | ( ( one_sorted_str @ SV82 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1886]) ).

thf(1914,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV84 )
          | ~ ( meet_commutative @ SV84 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1887]) ).

thf(1915,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( empty_carrier @ SV85 )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV85 ) )
        = $true )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1888]) ).

thf(1916,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( below @ SV87 @ SV191 @ SV194 )
              | ( ( join @ SV87 @ SV191 @ SV194 )
                = SV194 ) )
          | ~ ( ( ( join @ SV87 @ SV191 @ SV194 )
               != SV194 )
              | ( below @ SV87 @ SV191 @ SV194 ) ) )
        = $false )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1889]) ).

thf(1917,plain,
    ! [SV181: $i,SV100: $i] :
      ( ( ( ~ ( in @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV181 )
          | ~ ! [SY387: $i] :
                ( ~ ~ ( ~ ( in @ SY387 @ SV181 )
                      | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SY387 ) )
                | ( SY387
                  = ( sK19_SY378 @ SV100 @ SV181 ) ) ) )
        = $false )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1890]) ).

thf(1918,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( ~ ( ~ ( in @ SV197 @ SV102 )
              | ! [SY388: $i] :
                  ( ~ ( in @ SY388 @ SV11 )
                  | ( in @ SV197 @ SY388 ) ) ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1891]) ).

thf(1919,plain,
    ! [SV102: $i,SV197: $i,SV11: $i] :
      ( ( ( ~ ( ~ ! [SY389: $i] :
                    ( ~ ( in @ SY389 @ SV11 )
                    | ( in @ SV197 @ SY389 ) )
              | ( in @ SV197 @ SV102 ) ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1891]) ).

thf(1920,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
              | ! [SY390: $i] :
                  ( ~ ( in @ SY390 @ SV11 )
                  | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY390 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1892]) ).

thf(1921,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV16 ) )
        = $true )
      | ( ( ~ ( join_commutative @ SV16 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1893]) ).

thf(1922,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( ~ ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
              | ~ ( in @ SV193 @ SV190 ) ) )
        = $false )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1894]) ).

thf(1923,plain,
    ! [SV27: $i,SV190: $i,SV193: $i] :
      ( ( ( ~ ( ~ ~ ( in @ SV193 @ SV190 )
              | ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) ) )
        = $false )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1894]) ).

thf(1924,plain,
    ! [SV195: $i,SV31: $i,SV200: $i] :
      ( ( ( ~ ( element @ SV200 @ ( the_carrier @ SV31 ) )
          | ~ ~ ( ~ ( below @ SV31 @ SV195 @ SV200 )
                | ~ ( below @ SV31 @ SV200 @ SV195 ) )
          | ( SV195 = SV200 ) )
        = $true )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1895]) ).

thf(1925,plain,
    ! [SV116: $i,SV43: $i] :
      ( ( ( subset @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV43 )
        = $true )
      | ( ( in @ ( sK14_SY353 @ SV43 @ SV116 ) @ SV116 )
        = $true )
      | ( ( SV116
          = ( powerset @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1896]) ).

thf(1926,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( ~ ( quasi_total @ SV153 @ SV50 @ SV118 ) )
        = $true )
      | ( ( SV50
          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $true )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1899]) ).

thf(1927,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( SV50
         != ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $true )
      | ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $true )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1900]) ).

thf(1928,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $false )
      | ( ( SV50
          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $true )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1901]) ).

thf(1929,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( SV50
          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $false )
      | ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $true )
      | ( ( SV50 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1902]) ).

thf(1930,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $false )
      | ( ( SV153 = empty_set )
        = $true )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1903]) ).

thf(1931,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( SV153 = empty_set )
        = $false )
      | ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $true )
      | ( ( SV50 = empty_set )
        = $true )
      | ( ( SV118 = empty_set )
        = $false )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1904]) ).

thf(1932,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV63 ) )
        = $true )
      | ( ( ~ ( meet_commutative @ SV63 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1905]) ).

thf(1933,plain,
    ! [SV199: $i,SV68: $i,SV198: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
                | ~ ( subset @ SV199 @ SV198 ) ) )
        = $true )
      | ( ( in @ SV199 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1906]) ).

thf(1934,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( ~ ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $false )
      | ( ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1907]) ).

thf(1935,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV75 ) )
        = $true )
      | ( ( ~ ( join_commutative @ SV75 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1908]) ).

thf(1936,plain,
    ! [SV137: $i,SV79: $i,SV185: $i,SV196: $i] :
      ( ( ( ~ ( ~ ( in @ SV196 @ SV185 )
              | ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) )
          | ~ ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
              | ( in @ SV196 @ SV185 ) ) )
        = $false )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1909]) ).

thf(1937,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
              | ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
              | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1911]) ).

thf(1938,plain,
    ! [SV163: $i,SV138: $i,SV80: $i] :
      ( ( ( meet_semilatt_str @ SV80 )
        = $false )
      | ( ( empty_carrier @ SV80 )
        = $true )
      | ( ( ~ ( element @ SV138 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1912]) ).

thf(1939,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV84 ) )
        = $true )
      | ( ( ~ ( meet_commutative @ SV84 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1914]) ).

thf(1940,plain,
    ! [SV165: $i,SV140: $i,SV85: $i] :
      ( ( ( join_semilatt_str @ SV85 )
        = $false )
      | ( ( empty_carrier @ SV85 )
        = $true )
      | ( ( ~ ( element @ SV140 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1915]) ).

thf(1941,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ~ ( ~ ( below @ SV87 @ SV191 @ SV194 )
              | ( ( join @ SV87 @ SV191 @ SV194 )
                = SV194 ) ) )
        = $false )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1916]) ).

thf(1942,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ~ ( ( ( join @ SV87 @ SV191 @ SV194 )
               != SV194 )
              | ( below @ SV87 @ SV191 @ SV194 ) ) )
        = $false )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1916]) ).

thf(1943,plain,
    ! [SV181: $i,SV100: $i] :
      ( ( ( ~ ( in @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV181 ) )
        = $false )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1917]) ).

thf(1944,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ~ ! [SY387: $i] :
                ( ~ ~ ( ~ ( in @ SY387 @ SV181 )
                      | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SY387 ) )
                | ( SY387
                  = ( sK19_SY378 @ SV100 @ SV181 ) ) ) )
        = $false )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1917]) ).

thf(1945,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( ~ ( in @ SV197 @ SV102 )
          | ! [SY388: $i] :
              ( ~ ( in @ SY388 @ SV11 )
              | ( in @ SV197 @ SY388 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1918]) ).

thf(1946,plain,
    ! [SV102: $i,SV197: $i,SV11: $i] :
      ( ( ( ~ ! [SY389: $i] :
                ( ~ ( in @ SY389 @ SV11 )
                | ( in @ SV197 @ SY389 ) )
          | ( in @ SV197 @ SV102 ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1919]) ).

thf(1947,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
          | ! [SY390: $i] :
              ( ~ ( in @ SY390 @ SV11 )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY390 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1920]) ).

thf(1948,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( ~ ( empty_carrier @ SV16 ) )
        = $false )
      | ( ( ~ ( join_commutative @ SV16 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1921]) ).

thf(1949,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
          | ~ ( in @ SV193 @ SV190 ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1922]) ).

thf(1950,plain,
    ! [SV27: $i,SV190: $i,SV193: $i] :
      ( ( ( ~ ~ ( in @ SV193 @ SV190 )
          | ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1923]) ).

thf(1951,plain,
    ! [SV195: $i,SV31: $i,SV200: $i] :
      ( ( ( ~ ( element @ SV200 @ ( the_carrier @ SV31 ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( below @ SV31 @ SV195 @ SV200 )
                | ~ ( below @ SV31 @ SV200 @ SV195 ) )
          | ( SV195 = SV200 ) )
        = $true )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1924]) ).

thf(1952,plain,
    ! [SV118: $i,SV50: $i,SV153: $i] :
      ( ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $false )
      | ( ( SV50
          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $true )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1926]) ).

thf(1953,plain,
    ! [SV153: $i,SV118: $i,SV50: $i] :
      ( ( ( SV50
          = ( relation_dom_as_subset @ SV50 @ SV118 @ SV153 ) )
        = $false )
      | ( ( quasi_total @ SV153 @ SV50 @ SV118 )
        = $true )
      | ( ( SV118 = empty_set )
        = $true )
      | ( ( relation_of2_as_subset @ SV153 @ SV50 @ SV118 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1927]) ).

thf(1954,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( ~ ( empty_carrier @ SV63 ) )
        = $false )
      | ( ( ~ ( meet_commutative @ SV63 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1932]) ).

thf(1955,plain,
    ! [SV199: $i,SV68: $i,SV198: $i] :
      ( ( ( ~ ( ~ ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
              | ~ ( subset @ SV199 @ SV198 ) ) )
        = $false )
      | ( ( in @ SV199 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1933]) ).

thf(1956,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $true )
      | ( ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( ~ ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1934]) ).

thf(1957,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( ~ ( empty_carrier @ SV75 ) )
        = $false )
      | ( ( ~ ( join_commutative @ SV75 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1935]) ).

thf(1958,plain,
    ! [SV137: $i,SV79: $i,SV185: $i,SV196: $i] :
      ( ( ( ~ ( ~ ( in @ SV196 @ SV185 )
              | ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) ) )
        = $false )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1936]) ).

thf(1959,plain,
    ! [SV185: $i,SV137: $i,SV196: $i,SV79: $i] :
      ( ( ( ~ ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
              | ( in @ SV196 @ SV185 ) ) )
        = $false )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1936]) ).

thf(1960,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
          | ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
              | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1937]) ).

thf(1961,plain,
    ! [SV163: $i,SV80: $i,SV138: $i] :
      ( ( ( element @ SV138 @ ( the_carrier @ SV80 ) )
        = $false )
      | ( ( empty_carrier @ SV80 )
        = $true )
      | ( ( meet_semilatt_str @ SV80 )
        = $false )
      | ( ( ~ ( element @ SV163 @ ( the_carrier @ SV80 ) ) )
        = $true )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1938]) ).

thf(1962,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( ~ ( empty_carrier @ SV84 ) )
        = $false )
      | ( ( ~ ( meet_commutative @ SV84 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1939]) ).

thf(1963,plain,
    ! [SV165: $i,SV85: $i,SV140: $i] :
      ( ( ( element @ SV140 @ ( the_carrier @ SV85 ) )
        = $false )
      | ( ( empty_carrier @ SV85 )
        = $true )
      | ( ( join_semilatt_str @ SV85 )
        = $false )
      | ( ( ~ ( element @ SV165 @ ( the_carrier @ SV85 ) ) )
        = $true )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1940]) ).

thf(1964,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ~ ( below @ SV87 @ SV191 @ SV194 )
          | ( ( join @ SV87 @ SV191 @ SV194 )
            = SV194 ) )
        = $true )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1941]) ).

thf(1965,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ( ( join @ SV87 @ SV191 @ SV194 )
           != SV194 )
          | ( below @ SV87 @ SV191 @ SV194 ) )
        = $true )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1942]) ).

thf(1966,plain,
    ! [SV181: $i,SV100: $i] :
      ( ( ( in @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV181 )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1943]) ).

thf(1967,plain,
    ! [SV100: $i,SV181: $i] :
      ( ( ( ! [SY387: $i] :
              ( ~ ~ ( ~ ( in @ SY387 @ SV181 )
                    | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SY387 ) )
              | ( SY387
                = ( sK19_SY378 @ SV100 @ SV181 ) ) ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1944]) ).

thf(1968,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( ~ ( in @ SV197 @ SV102 ) )
        = $true )
      | ( ( ! [SY388: $i] :
              ( ~ ( in @ SY388 @ SV11 )
              | ( in @ SV197 @ SY388 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1945]) ).

thf(1969,plain,
    ! [SV102: $i,SV197: $i,SV11: $i] :
      ( ( ( ~ ! [SY389: $i] :
                ( ~ ( in @ SY389 @ SV11 )
                | ( in @ SV197 @ SY389 ) ) )
        = $true )
      | ( ( in @ SV197 @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1946]) ).

thf(1970,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1947]) ).

thf(1971,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ! [SY390: $i] :
              ( ~ ( in @ SY390 @ SV11 )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY390 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1947]) ).

thf(1972,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( empty_carrier @ SV16 )
        = $true )
      | ( ( ~ ( join_commutative @ SV16 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1948]) ).

thf(1973,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( ~ ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) ) )
        = $true )
      | ( ( ~ ( in @ SV193 @ SV190 ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1949]) ).

thf(1974,plain,
    ! [SV27: $i,SV190: $i,SV193: $i] :
      ( ( ( ~ ~ ( in @ SV193 @ SV190 ) )
        = $true )
      | ( ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1950]) ).

thf(1975,plain,
    ! [SV195: $i,SV31: $i,SV200: $i] :
      ( ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( ~ ~ ( ~ ( below @ SV31 @ SV195 @ SV200 )
                | ~ ( below @ SV31 @ SV200 @ SV195 ) )
          | ( SV195 = SV200 ) )
        = $true )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1951]) ).

thf(1976,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( empty_carrier @ SV63 )
        = $true )
      | ( ( ~ ( meet_commutative @ SV63 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1954]) ).

thf(1977,plain,
    ! [SV199: $i,SV68: $i,SV198: $i] :
      ( ( ( ~ ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
          | ~ ( subset @ SV199 @ SV198 ) )
        = $true )
      | ( ( in @ SV199 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1955]) ).

thf(1978,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( ~ ( in @ SV189 @ ( sK6_SY295 @ SV68 ) ) )
        = $false )
      | ( ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1956]) ).

thf(1979,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( empty_carrier @ SV75 )
        = $true )
      | ( ( ~ ( join_commutative @ SV75 ) )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1957]) ).

thf(1980,plain,
    ! [SV137: $i,SV79: $i,SV185: $i,SV196: $i] :
      ( ( ( ~ ( in @ SV196 @ SV185 )
          | ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) )
        = $true )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1958]) ).

thf(1981,plain,
    ! [SV185: $i,SV137: $i,SV196: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
          | ( in @ SV196 @ SV185 ) )
        = $true )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1959]) ).

thf(1982,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( ~ ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) )
        = $false )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
              | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1960]) ).

thf(1983,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
              | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1960]) ).

thf(1984,plain,
    ! [SV138: $i,SV80: $i,SV163: $i] :
      ( ( ( element @ SV163 @ ( the_carrier @ SV80 ) )
        = $false )
      | ( ( meet_semilatt_str @ SV80 )
        = $false )
      | ( ( empty_carrier @ SV80 )
        = $true )
      | ( ( element @ SV138 @ ( the_carrier @ SV80 ) )
        = $false )
      | ( ( element @ ( meet @ SV80 @ SV138 @ SV163 ) @ ( the_carrier @ SV80 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1961]) ).

thf(1985,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( empty_carrier @ SV84 )
        = $true )
      | ( ( ~ ( meet_commutative @ SV84 ) )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1962]) ).

thf(1986,plain,
    ! [SV140: $i,SV85: $i,SV165: $i] :
      ( ( ( element @ SV165 @ ( the_carrier @ SV85 ) )
        = $false )
      | ( ( join_semilatt_str @ SV85 )
        = $false )
      | ( ( empty_carrier @ SV85 )
        = $true )
      | ( ( element @ SV140 @ ( the_carrier @ SV85 ) )
        = $false )
      | ( ( element @ ( join @ SV85 @ SV140 @ SV165 ) @ ( the_carrier @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1963]) ).

thf(1987,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ~ ( below @ SV87 @ SV191 @ SV194 ) )
        = $true )
      | ( ( ( join @ SV87 @ SV191 @ SV194 )
          = SV194 )
        = $true )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1964]) ).

thf(1988,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ( join @ SV87 @ SV191 @ SV194 )
         != SV194 )
        = $true )
      | ( ( below @ SV87 @ SV191 @ SV194 )
        = $true )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1965]) ).

thf(1989,plain,
    ! [SV100: $i,SV181: $i,SV201: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV201 @ SV181 )
                | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 ) )
          | ( SV201
            = ( sK19_SY378 @ SV100 @ SV181 ) ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1967]) ).

thf(1990,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( in @ SV197 @ SV102 )
        = $false )
      | ( ( ! [SY388: $i] :
              ( ~ ( in @ SY388 @ SV11 )
              | ( in @ SV197 @ SY388 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1968]) ).

thf(1991,plain,
    ! [SV102: $i,SV197: $i,SV11: $i] :
      ( ( ( ! [SY389: $i] :
              ( ~ ( in @ SY389 @ SV11 )
              | ( in @ SV197 @ SY389 ) ) )
        = $false )
      | ( ( in @ SV197 @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1969]) ).

thf(1992,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1970]) ).

thf(1993,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1971]) ).

thf(1994,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( join_commutative @ SV16 )
        = $false )
      | ( ( empty_carrier @ SV16 )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV16 ) )
        = $true )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1972]) ).

thf(1995,plain,
    ! [SV190: $i,SV27: $i,SV193: $i] :
      ( ( ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
        = $false )
      | ( ( ~ ( in @ SV193 @ SV190 ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1973]) ).

thf(1996,plain,
    ! [SV27: $i,SV190: $i,SV193: $i] :
      ( ( ( ~ ( in @ SV193 @ SV190 ) )
        = $false )
      | ( ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1974]) ).

thf(1997,plain,
    ! [SV200: $i,SV195: $i,SV31: $i] :
      ( ( ( ~ ~ ( ~ ( below @ SV31 @ SV195 @ SV200 )
                | ~ ( below @ SV31 @ SV200 @ SV195 ) ) )
        = $true )
      | ( ( SV195 = SV200 )
        = $true )
      | ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1975]) ).

thf(1998,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( meet_commutative @ SV63 )
        = $false )
      | ( ( empty_carrier @ SV63 )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV63 ) )
        = $true )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1976]) ).

thf(1999,plain,
    ! [SV199: $i,SV68: $i,SV198: $i] :
      ( ( ( ~ ( in @ SV198 @ ( sK6_SY295 @ SV68 ) ) )
        = $true )
      | ( ( ~ ( subset @ SV199 @ SV198 ) )
        = $true )
      | ( ( in @ SV199 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1977]) ).

thf(2000,plain,
    ! [SV68: $i,SV189: $i] :
      ( ( ( in @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $true )
      | ( ( subset @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( are_equipotent @ SV189 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1978]) ).

thf(2001,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( join_commutative @ SV75 )
        = $false )
      | ( ( empty_carrier @ SV75 )
        = $true )
      | ( ( ~ ( join_semilatt_str @ SV75 ) )
        = $true )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1979]) ).

thf(2002,plain,
    ! [SV137: $i,SV79: $i,SV185: $i,SV196: $i] :
      ( ( ( ~ ( in @ SV196 @ SV185 ) )
        = $true )
      | ( ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
        = $true )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1980]) ).

thf(2003,plain,
    ! [SV185: $i,SV137: $i,SV196: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 ) )
        = $true )
      | ( ( in @ SV196 @ SV185 )
        = $true )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1981]) ).

thf(2004,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
              | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) ) )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1982]) ).

thf(2005,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
          | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) )
        = $false )
      | ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1983]) ).

thf(2006,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( meet_commutative @ SV84 )
        = $false )
      | ( ( empty_carrier @ SV84 )
        = $true )
      | ( ( ~ ( meet_semilatt_str @ SV84 ) )
        = $true )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1985]) ).

thf(2007,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( below @ SV87 @ SV191 @ SV194 )
        = $false )
      | ( ( ( join @ SV87 @ SV191 @ SV194 )
          = SV194 )
        = $true )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1987]) ).

thf(2008,plain,
    ! [SV194: $i,SV191: $i,SV87: $i] :
      ( ( ( ( join @ SV87 @ SV191 @ SV194 )
          = SV194 )
        = $false )
      | ( ( below @ SV87 @ SV191 @ SV194 )
        = $true )
      | ( ( element @ SV194 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( element @ SV191 @ ( the_carrier @ SV87 ) )
        = $false )
      | ( ( empty_carrier @ SV87 )
        = $true )
      | ( ( join_semilatt_str @ SV87 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1988]) ).

thf(2009,plain,
    ! [SV100: $i,SV181: $i,SV201: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV201 @ SV181 )
                | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 ) ) )
        = $true )
      | ( ( SV201
          = ( sK19_SY378 @ SV100 @ SV181 ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1989]) ).

thf(2010,plain,
    ! [SV102: $i,SV197: $i,SV11: $i,SV202: $i] :
      ( ( ( ~ ( in @ SV202 @ SV11 )
          | ( in @ SV197 @ SV202 ) )
        = $true )
      | ( ( in @ SV197 @ SV102 )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[1990]) ).

thf(2011,plain,
    ! [SV11: $i,SV197: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK22_SY389 @ SV102 @ SV197 @ SV11 ) @ SV11 )
          | ( in @ SV197 @ ( sK22_SY389 @ SV102 @ SV197 @ SV11 ) ) )
        = $false )
      | ( ( in @ SV197 @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[1991]) ).

thf(2012,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ! [SY391: $i] :
                ( ~ ( in @ SY391 @ SV11 )
                | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1992]) ).

thf(2013,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1993]) ).

thf(2014,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[1993]) ).

thf(2015,plain,
    ! [SV149: $i,SV105: $i,SV16: $i] :
      ( ( ( join_semilatt_str @ SV16 )
        = $false )
      | ( ( empty_carrier @ SV16 )
        = $true )
      | ( ( join_commutative @ SV16 )
        = $false )
      | ( ( ~ ( element @ SV105 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1994]) ).

thf(2016,plain,
    ! [SV27: $i,SV190: $i,SV193: $i] :
      ( ( ( in @ SV193 @ SV190 )
        = $false )
      | ( ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
        = $false )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1995]) ).

thf(2017,plain,
    ! [SV27: $i,SV190: $i,SV193: $i] :
      ( ( ( in @ SV193 @ SV190 )
        = $true )
      | ( ( in @ SV193 @ ( subset_complement @ ( the_carrier @ SV27 ) @ SV190 ) )
        = $true )
      | ( ( element @ SV193 @ ( the_carrier @ SV27 ) )
        = $false )
      | ( ( element @ SV190 @ ( powerset @ ( the_carrier @ SV27 ) ) )
        = $false )
      | ( ( empty_carrier @ SV27 )
        = $true )
      | ( ( one_sorted_str @ SV27 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1996]) ).

thf(2018,plain,
    ! [SV200: $i,SV195: $i,SV31: $i] :
      ( ( ( ~ ( ~ ( below @ SV31 @ SV195 @ SV200 )
              | ~ ( below @ SV31 @ SV200 @ SV195 ) ) )
        = $false )
      | ( ( SV195 = SV200 )
        = $true )
      | ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1997]) ).

thf(2019,plain,
    ! [SV158: $i,SV127: $i,SV63: $i] :
      ( ( ( meet_semilatt_str @ SV63 )
        = $false )
      | ( ( empty_carrier @ SV63 )
        = $true )
      | ( ( meet_commutative @ SV63 )
        = $false )
      | ( ( ~ ( element @ SV127 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1998]) ).

thf(2020,plain,
    ! [SV199: $i,SV68: $i,SV198: $i] :
      ( ( ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( ~ ( subset @ SV199 @ SV198 ) )
        = $true )
      | ( ( in @ SV199 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1999]) ).

thf(2021,plain,
    ! [SV160: $i,SV134: $i,SV75: $i] :
      ( ( ( join_semilatt_str @ SV75 )
        = $false )
      | ( ( empty_carrier @ SV75 )
        = $true )
      | ( ( join_commutative @ SV75 )
        = $false )
      | ( ( ~ ( element @ SV134 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2001]) ).

thf(2022,plain,
    ! [SV137: $i,SV79: $i,SV185: $i,SV196: $i] :
      ( ( ( in @ SV196 @ SV185 )
        = $false )
      | ( ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
        = $true )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2002]) ).

thf(2023,plain,
    ! [SV185: $i,SV137: $i,SV196: $i,SV79: $i] :
      ( ( ( in @ ( subset_complement @ SV79 @ SV196 ) @ SV137 )
        = $false )
      | ( ( in @ SV196 @ SV185 )
        = $true )
      | ( ( element @ SV196 @ ( powerset @ SV79 ) )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $false )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2003]) ).

thf(2024,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
          | ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 ) )
        = $false )
      | ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2004]) ).

thf(2025,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) )
        = $false )
      | ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2005]) ).

thf(2026,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $false )
      | ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2005]) ).

thf(2027,plain,
    ! [SV164: $i,SV139: $i,SV84: $i] :
      ( ( ( meet_semilatt_str @ SV84 )
        = $false )
      | ( ( empty_carrier @ SV84 )
        = $true )
      | ( ( meet_commutative @ SV84 )
        = $false )
      | ( ( ~ ( element @ SV139 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2006]) ).

thf(2028,plain,
    ! [SV100: $i,SV181: $i,SV201: $i] :
      ( ( ( ~ ( ~ ( in @ SV201 @ SV181 )
              | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 ) ) )
        = $false )
      | ( ( SV201
          = ( sK19_SY378 @ SV100 @ SV181 ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2009]) ).

thf(2029,plain,
    ! [SV102: $i,SV197: $i,SV11: $i,SV202: $i] :
      ( ( ( ~ ( in @ SV202 @ SV11 ) )
        = $true )
      | ( ( in @ SV197 @ SV202 )
        = $true )
      | ( ( in @ SV197 @ SV102 )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2010]) ).

thf(2030,plain,
    ! [SV11: $i,SV197: $i,SV102: $i] :
      ( ( ( ~ ( in @ ( sK22_SY389 @ SV102 @ SV197 @ SV11 ) @ SV11 ) )
        = $false )
      | ( ( in @ SV197 @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2011]) ).

thf(2031,plain,
    ! [SV11: $i,SV102: $i,SV197: $i] :
      ( ( ( in @ SV197 @ ( sK22_SY389 @ SV102 @ SV197 @ SV11 ) )
        = $false )
      | ( ( in @ SV197 @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2011]) ).

thf(2032,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ! [SY391: $i] :
                ( ~ ( in @ SY391 @ SV11 )
                | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) ) )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2012]) ).

thf(2033,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2012]) ).

thf(2034,plain,
    ! [SV11: $i,SV102: $i] :
      ( ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( ~ ( ~ ! [SY391: $i] :
                    ( ~ ( in @ SY391 @ SV11 )
                    | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) ) )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2013]) ).

thf(2035,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ! [SY391: $i] :
                ( ~ ( in @ SY391 @ SV11 )
                | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2014]) ).

thf(2036,plain,
    ! [SV149: $i,SV16: $i,SV105: $i] :
      ( ( ( element @ SV105 @ ( the_carrier @ SV16 ) )
        = $false )
      | ( ( join_commutative @ SV16 )
        = $false )
      | ( ( empty_carrier @ SV16 )
        = $true )
      | ( ( join_semilatt_str @ SV16 )
        = $false )
      | ( ( ~ ( element @ SV149 @ ( the_carrier @ SV16 ) ) )
        = $true )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2015]) ).

thf(2037,plain,
    ! [SV200: $i,SV195: $i,SV31: $i] :
      ( ( ( ~ ( below @ SV31 @ SV195 @ SV200 )
          | ~ ( below @ SV31 @ SV200 @ SV195 ) )
        = $true )
      | ( ( SV195 = SV200 )
        = $true )
      | ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2018]) ).

thf(2038,plain,
    ! [SV158: $i,SV63: $i,SV127: $i] :
      ( ( ( element @ SV127 @ ( the_carrier @ SV63 ) )
        = $false )
      | ( ( meet_commutative @ SV63 )
        = $false )
      | ( ( empty_carrier @ SV63 )
        = $true )
      | ( ( meet_semilatt_str @ SV63 )
        = $false )
      | ( ( ~ ( element @ SV158 @ ( the_carrier @ SV63 ) ) )
        = $true )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2019]) ).

thf(2039,plain,
    ! [SV68: $i,SV198: $i,SV199: $i] :
      ( ( ( subset @ SV199 @ SV198 )
        = $false )
      | ( ( in @ SV198 @ ( sK6_SY295 @ SV68 ) )
        = $false )
      | ( ( in @ SV199 @ ( sK6_SY295 @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2020]) ).

thf(2040,plain,
    ! [SV160: $i,SV75: $i,SV134: $i] :
      ( ( ( element @ SV134 @ ( the_carrier @ SV75 ) )
        = $false )
      | ( ( join_commutative @ SV75 )
        = $false )
      | ( ( empty_carrier @ SV75 )
        = $true )
      | ( ( join_semilatt_str @ SV75 )
        = $false )
      | ( ( ~ ( element @ SV160 @ ( the_carrier @ SV75 ) ) )
        = $true )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2021]) ).

thf(2041,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 ) )
        = $false )
      | ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2024]) ).

thf(2042,plain,
    ! [SV79: $i,SV185: $i,SV137: $i] :
      ( ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $false )
      | ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[2024]) ).

thf(2043,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $true )
      | ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $false )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2025]) ).

thf(2044,plain,
    ! [SV164: $i,SV84: $i,SV139: $i] :
      ( ( ( element @ SV139 @ ( the_carrier @ SV84 ) )
        = $false )
      | ( ( meet_commutative @ SV84 )
        = $false )
      | ( ( empty_carrier @ SV84 )
        = $true )
      | ( ( meet_semilatt_str @ SV84 )
        = $false )
      | ( ( ~ ( element @ SV164 @ ( the_carrier @ SV84 ) ) )
        = $true )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2027]) ).

thf(2045,plain,
    ! [SV100: $i,SV181: $i,SV201: $i] :
      ( ( ( ~ ( in @ SV201 @ SV181 )
          | ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 ) )
        = $true )
      | ( ( SV201
          = ( sK19_SY378 @ SV100 @ SV181 ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2028]) ).

thf(2046,plain,
    ! [SV102: $i,SV197: $i,SV11: $i,SV202: $i] :
      ( ( ( in @ SV202 @ SV11 )
        = $false )
      | ( ( in @ SV197 @ SV202 )
        = $true )
      | ( ( in @ SV197 @ SV102 )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2029]) ).

thf(2047,plain,
    ! [SV11: $i,SV197: $i,SV102: $i] :
      ( ( ( in @ ( sK22_SY389 @ SV102 @ SV197 @ SV11 ) @ SV11 )
        = $true )
      | ( ( in @ SV197 @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $false )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2030]) ).

thf(2048,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ! [SY391: $i] :
              ( ~ ( in @ SY391 @ SV11 )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2032]) ).

thf(2049,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ! [SY391: $i] :
                ( ~ ( in @ SY391 @ SV11 )
                | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 ) )
        = $false )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2034]) ).

thf(2050,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ! [SY391: $i] :
                ( ~ ( in @ SY391 @ SV11 )
                | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) ) )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2035]) ).

thf(2051,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2035]) ).

thf(2052,plain,
    ! [SV105: $i,SV16: $i,SV149: $i] :
      ( ( ( element @ SV149 @ ( the_carrier @ SV16 ) )
        = $false )
      | ( ( join_semilatt_str @ SV16 )
        = $false )
      | ( ( empty_carrier @ SV16 )
        = $true )
      | ( ( join_commutative @ SV16 )
        = $false )
      | ( ( element @ SV105 @ ( the_carrier @ SV16 ) )
        = $false )
      | ( ( ( join_commut @ SV16 @ SV105 @ SV149 )
          = ( join_commut @ SV16 @ SV149 @ SV105 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2036]) ).

thf(2053,plain,
    ! [SV200: $i,SV195: $i,SV31: $i] :
      ( ( ( ~ ( below @ SV31 @ SV195 @ SV200 ) )
        = $true )
      | ( ( ~ ( below @ SV31 @ SV200 @ SV195 ) )
        = $true )
      | ( ( SV195 = SV200 )
        = $true )
      | ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2037]) ).

thf(2054,plain,
    ! [SV127: $i,SV63: $i,SV158: $i] :
      ( ( ( element @ SV158 @ ( the_carrier @ SV63 ) )
        = $false )
      | ( ( meet_semilatt_str @ SV63 )
        = $false )
      | ( ( empty_carrier @ SV63 )
        = $true )
      | ( ( meet_commutative @ SV63 )
        = $false )
      | ( ( element @ SV127 @ ( the_carrier @ SV63 ) )
        = $false )
      | ( ( ( meet_commut @ SV63 @ SV127 @ SV158 )
          = ( meet_commut @ SV63 @ SV158 @ SV127 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2038]) ).

thf(2055,plain,
    ! [SV134: $i,SV75: $i,SV160: $i] :
      ( ( ( element @ SV160 @ ( the_carrier @ SV75 ) )
        = $false )
      | ( ( join_semilatt_str @ SV75 )
        = $false )
      | ( ( empty_carrier @ SV75 )
        = $true )
      | ( ( join_commutative @ SV75 )
        = $false )
      | ( ( element @ SV134 @ ( the_carrier @ SV75 ) )
        = $false )
      | ( ( element @ ( join_commut @ SV75 @ SV134 @ SV160 ) @ ( the_carrier @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2040]) ).

thf(2056,plain,
    ! [SV185: $i,SV137: $i,SV79: $i] :
      ( ( ( in @ ( subset_complement @ SV79 @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) ) @ SV137 )
        = $true )
      | ( ( in @ ( sK18_SY382 @ SV137 @ SV185 @ SV79 ) @ SV185 )
        = $true )
      | ( ( SV185
          = ( complements_of_subsets @ SV79 @ SV137 ) )
        = $true )
      | ( ( element @ SV185 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false )
      | ( ( element @ SV137 @ ( powerset @ ( powerset @ SV79 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[2041]) ).

thf(2057,plain,
    ! [SV139: $i,SV84: $i,SV164: $i] :
      ( ( ( element @ SV164 @ ( the_carrier @ SV84 ) )
        = $false )
      | ( ( meet_semilatt_str @ SV84 )
        = $false )
      | ( ( empty_carrier @ SV84 )
        = $true )
      | ( ( meet_commutative @ SV84 )
        = $false )
      | ( ( element @ SV139 @ ( the_carrier @ SV84 ) )
        = $false )
      | ( ( element @ ( meet_commut @ SV84 @ SV139 @ SV164 ) @ ( the_carrier @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2044]) ).

thf(2058,plain,
    ! [SV100: $i,SV181: $i,SV201: $i] :
      ( ( ( ~ ( in @ SV201 @ SV181 ) )
        = $true )
      | ( ( ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 ) )
        = $true )
      | ( ( SV201
          = ( sK19_SY378 @ SV100 @ SV181 ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[2045]) ).

thf(2059,plain,
    ! [SV102: $i,SV11: $i,SV203: $i] :
      ( ( ( ~ ( in @ SV203 @ SV11 )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV203 ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2048]) ).

thf(2060,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ~ ! [SY391: $i] :
                ( ~ ( in @ SY391 @ SV11 )
                | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) ) )
        = $false )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2049]) ).

thf(2061,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $false )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[2049]) ).

thf(2062,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ! [SY391: $i] :
              ( ~ ( in @ SY391 @ SV11 )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2050]) ).

thf(2063,plain,
    ! [SV200: $i,SV195: $i,SV31: $i] :
      ( ( ( below @ SV31 @ SV195 @ SV200 )
        = $false )
      | ( ( ~ ( below @ SV31 @ SV200 @ SV195 ) )
        = $true )
      | ( ( SV195 = SV200 )
        = $true )
      | ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2053]) ).

thf(2064,plain,
    ! [SV100: $i,SV181: $i,SV201: $i] :
      ( ( ( in @ SV201 @ SV181 )
        = $false )
      | ( ( ~ ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 ) )
        = $true )
      | ( ( SV201
          = ( sK19_SY378 @ SV100 @ SV181 ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2058]) ).

thf(2065,plain,
    ! [SV102: $i,SV11: $i,SV203: $i] :
      ( ( ( ~ ( in @ SV203 @ SV11 ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV203 )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2059]) ).

thf(2066,plain,
    ! [SV102: $i,SV11: $i] :
      ( ( ( ! [SY391: $i] :
              ( ~ ( in @ SY391 @ SV11 )
              | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SY391 ) ) )
        = $true )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[2060]) ).

thf(2067,plain,
    ! [SV102: $i,SV11: $i,SV204: $i] :
      ( ( ( ~ ( in @ SV204 @ SV11 )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV204 ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2062]) ).

thf(2068,plain,
    ! [SV195: $i,SV200: $i,SV31: $i] :
      ( ( ( below @ SV31 @ SV200 @ SV195 )
        = $false )
      | ( ( below @ SV31 @ SV195 @ SV200 )
        = $false )
      | ( ( SV195 = SV200 )
        = $true )
      | ( ( element @ SV200 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( element @ SV195 @ ( the_carrier @ SV31 ) )
        = $false )
      | ( ( join_commutative @ SV31 )
        = $false )
      | ( ( empty_carrier @ SV31 )
        = $true )
      | ( ( join_semilatt_str @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2063]) ).

thf(2069,plain,
    ! [SV201: $i,SV181: $i,SV100: $i] :
      ( ( ( subset @ ( sK19_SY378 @ SV100 @ SV181 ) @ SV201 )
        = $false )
      | ( ( in @ SV201 @ SV181 )
        = $false )
      | ( ( SV201
          = ( sK19_SY378 @ SV100 @ SV181 ) )
        = $true )
      | ( ( SV181 = empty_set )
        = $true )
      | ( ( element @ SV181 @ ( powerset @ ( powerset @ SV100 ) ) )
        = $false )
      | ( ( finite @ SV100 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[2064]) ).

thf(2070,plain,
    ! [SV102: $i,SV11: $i,SV203: $i] :
      ( ( ( in @ SV203 @ SV11 )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV203 )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV102 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2065]) ).

thf(2071,plain,
    ! [SV102: $i,SV11: $i,SV205: $i] :
      ( ( ( ~ ( in @ SV205 @ SV11 )
          | ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV205 ) )
        = $true )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[2066]) ).

thf(2072,plain,
    ! [SV102: $i,SV11: $i,SV204: $i] :
      ( ( ( ~ ( in @ SV204 @ SV11 ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV204 )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2067]) ).

thf(2073,plain,
    ! [SV102: $i,SV11: $i,SV205: $i] :
      ( ( ( ~ ( in @ SV205 @ SV11 ) )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV205 )
        = $true )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[2071]) ).

thf(2074,plain,
    ! [SV102: $i,SV11: $i,SV204: $i] :
      ( ( ( in @ SV204 @ SV11 )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV204 )
        = $true )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ ( sK21_SY390 @ SV102 @ SV11 ) )
        = $false )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2072]) ).

thf(2075,plain,
    ! [SV102: $i,SV11: $i,SV205: $i] :
      ( ( ( in @ SV205 @ SV11 )
        = $false )
      | ( ( in @ ( sK20_SY343 @ SV11 @ SV102 ) @ SV205 )
        = $true )
      | ( ( in @ ( sK21_SY390 @ SV102 @ SV11 ) @ SV11 )
        = $true )
      | ( ( SV102
          = ( set_meet @ SV11 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[2073]) ).

thf(2076,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[692,2075,2074,2070,2069,2068,2061,2057,2056,2055,2054,2052,2051,2047,2046,2043,2042,2039,2033,2031,2026,2023,2022,2017,2016,2008,2007,2000,1986,1984,1966,1953,1952,1931,1930,1929,1928,1925,1913,1910,1898,1897,1885,1870,1869,1860,1859,1848,1846,1839,1837,1834,1833,1832,1831,1828,1827,1822,1821,1811,1800,1799,1798,1797,1783,1782,1779,1778,1760,1759,1744,1719,1706,1699,1695,1687,1686,1674,1666,1664,1663,1662,1658,1649,1648,1643,1639,1638,1637,1633,1625,1624,1623,1607,1606,1605,1591,1590,1587,1586,1585,1581,1580,1579,1571,1565,1554,1553,1542,1541,1537,1518,1517,1514,1513,1512,1511,1510,1509,1507,1492,1486,1485,1484,1473,1469,1468,1456,1454,1453,1452,1445,1441,1417,1406,1405,1375,1372,1331,1315,1311,1295,1294,1286,1284,1274,1271,1258,1250,1249,1228,1227,1226,1222,1213,1207,1196,1195,1193,1184,1181,1179,1176,1155,1151,1142,1141,1129,1106,1024,925,924,923,922,921,919,918,917,816,789,783,780,779,777,774,766,765,764,761,760,758,756,755,754,752,750,748,747,746,744,743,742,740,739,737,736,735,734]) ).

thf(2077,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[2076]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU325+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.20  % Computer : n005.cluster.edu
% 0.07/0.20  % Model    : x86_64 x86_64
% 0.07/0.20  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.20  % Memory   : 8046.5625MB
% 0.07/0.20  % OS       : Linux 6.8.0-71-generic
% 0.07/0.20  % CPULimit : 300
% 0.07/0.20  % WCLimit  : 300
% 0.07/0.20  % DateTime : Tue Oct  6 15:13:45 UTC 2026
% 0.07/0.21  % CPUTime  : 
% 0.07/0.21  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 172.79/29.13  ....
% 172.79/29.13  
% 172.79/29.13   No.of.Axioms: 135
% 172.79/29.13  
% 172.79/29.13   Length.of.Defs: 0
% 172.79/29.13  
% 172.79/29.13   Contains.Choice.Funs: false
% 172.79/29.13  .......................................................
% 172.79/29.13  
% 172.79/29.13  ********************************
% 172.79/29.13  *   All subproblems solved!    *
% 172.79/29.13  ********************************
% 172.79/29.13  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:137,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:2076,loop_count:0,foatp_calls:1,translation:fof_full)
% 172.79/29.13  
% 172.79/29.13  %**** Beginning of derivation protocol ****
% 172.79/29.13  % SZS output start CNFRefutation
% See solution above
% 29.04/29.16  
% 29.04/29.16  %**** End of derivation protocol ****
% 29.04/29.16  %**** no. of clauses in derivation: 1675 ****
% 29.04/29.16  %**** clause counter: 2076 ****
% 29.04/29.16  
% 29.04/29.16  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:137,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:2076,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------