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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU308+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n001.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 10:43:54 AM UTC 2026

% Result   : Theorem 6.15s 1.26s
% Output   : CNFRefutation 6.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   63
% Syntax   : Number of formulae    :  431 ( 290 unt;   0 typ;   0 def)
%            Number of atoms       : 1914 ( 609 equ;   0 cnn)
%            Maximal formula atoms :    3 (   4 avg)
%            Number of connectives : 3314 ( 471   ~; 332   |;  30   &;2374   @)
%                                         (   3 <=>; 104  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  117 ( 114 usr;   8 con; 0-6 aty)
%            Number of variables   :  688 (   0   ^; 673   !;  15   ?; 688   :)

% 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_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_set,type,
    empty_set: $i ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(tp_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_sK1_A,type,
    sK1_A: $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_SY70,type,
    sK5_SY70: $i > $i ).

thf(tp_sK6_SY89,type,
    sK6_SY89: $i > $i ).

thf(tp_sK7_SY109,type,
    sK7_SY109: $i > $i > $i ).

thf(tp_sK8_SY100,type,
    sK8_SY100: $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_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(7,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t4_subset) ).

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

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

thf(34,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/sandbox/benchmark/theBenchmark.p',redefinition_k6_subset_1) ).

thf(45,axiom,
    ? [A: $i] :
      ( ( one_sorted_str @ A )
      & ~ ( empty_carrier @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc3_struct_0) ).

thf(51,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(58,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(69,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(71,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(72,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_intersection2 @ A @ B @ B )
        = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',idempotence_k5_subset_1) ).

thf(115,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(132,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(136,axiom,
    ? [A: $i] : ( one_sorted_str @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_l1_struct_0) ).

thf(139,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_u1_struct_0) ).

thf(142,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(143,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_relset_1) ).

thf(145,axiom,
    ! [A: $i] :
      ( ( join_semilatt_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l2_lattices) ).

thf(146,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l1_struct_0) ).

thf(147,axiom,
    ! [A: $i] :
      ( ( meet_semilatt_str @ A )
     => ( one_sorted_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l1_lattices) ).

thf(148,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k9_relat_1) ).

thf(150,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(152,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(153,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(155,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_intersection2 @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_subset_1) ).

thf(156,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(159,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_ordinal2) ).

thf(160,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_xboole_0) ).

thf(161,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_tarski) ).

thf(165,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(166,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_tarski) ).

thf(167,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(168,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_relat_1) ).

thf(170,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_zfmisc_1) ).

thf(171,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_xboole_0) ).

thf(173,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(174,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(175,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_relat_1) ).

thf(176,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_pre_topc) ).

thf(177,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_mcart_1) ).

thf(181,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_zfmisc_1) ).

thf(182,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(184,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_wellord1) ).

thf(185,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(186,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_setfam_1) ).

thf(187,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_relat_1) ).

thf(188,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_ordinal1) ).

thf(189,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_mcart_1) ).

thf(191,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_funct_1) ).

thf(192,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_enumset1) ).

thf(193,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_binop_1) ).

thf(194,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k10_relat_1) ).

thf(212,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_subset_1) ).

thf(229,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( cast_as_carrier_subset @ A )
        = ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_pre_topc) ).

thf(269,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_intersection2 @ A @ B @ C )
        = ( subset_intersection2 @ A @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k5_subset_1) ).

thf(283,axiom,
    ! [A: $i] :
      ( ( finite @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( finite @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc2_finset_1) ).

thf(297,axiom,
    ! [A: $i] :
      ( ( v1_membered @ A )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( v1_membered @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc16_membered) ).

thf(308,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(345,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t54_subset_1) ).

thf(433,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/sandbox/benchmark/theBenchmark.p',t15_pre_topc) ).

thf(448,axiom,
    ! [A: $i] :
      ( ( one_sorted_str @ A )
     => ( ( cast_as_carrier_subset @ A )
        = ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_pre_topc) ).

thf(477,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l71_subset_1) ).

thf(484,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l3_subset_1) ).

thf(495,conjecture,
    ! [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/sandbox/benchmark/theBenchmark.p',t17_pre_topc) ).

thf(496,negated_conjecture,
    ( ( ! [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 ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[495]) ).

thf(497,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 ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[496]) ).

thf(498,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(499,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(500,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(501,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)],[34]) ).

thf(502,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(503,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(504,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(505,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)],[69]) ).

thf(506,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[71]) ).

thf(507,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)],[72]) ).

thf(508,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[115]) ).

thf(509,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[132]) ).

thf(510,plain,
    ( ( ? [A: $i] : ( one_sorted_str @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[136]) ).

thf(511,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[139]) ).

thf(512,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[142]) ).

thf(513,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[143]) ).

thf(514,plain,
    ( ( ! [A: $i] :
          ( ( join_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[145]) ).

thf(515,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[146]) ).

thf(516,plain,
    ( ( ! [A: $i] :
          ( ( meet_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(517,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[148]) ).

thf(518,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)],[150]) ).

thf(519,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)],[152]) ).

thf(520,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(521,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)],[155]) ).

thf(522,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[156]) ).

thf(523,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[159]) ).

thf(524,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[160]) ).

thf(525,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[161]) ).

thf(526,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[165]) ).

thf(527,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[166]) ).

thf(528,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(529,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[168]) ).

thf(530,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[170]) ).

thf(531,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[171]) ).

thf(532,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[173]) ).

thf(533,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[174]) ).

thf(534,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[175]) ).

thf(535,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[176]) ).

thf(536,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[177]) ).

thf(537,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[181]) ).

thf(538,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[182]) ).

thf(539,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[184]) ).

thf(540,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[185]) ).

thf(541,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[186]) ).

thf(542,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[187]) ).

thf(543,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[188]) ).

thf(544,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[189]) ).

thf(545,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[191]) ).

thf(546,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[192]) ).

thf(547,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[193]) ).

thf(548,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[194]) ).

thf(549,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[212]) ).

thf(550,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[229]) ).

thf(551,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)],[269]) ).

thf(552,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( finite @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[283]) ).

thf(553,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[297]) ).

thf(554,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[308]) ).

thf(555,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)],[345]) ).

thf(556,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)],[433]) ).

thf(557,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[448]) ).

thf(558,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[477]) ).

thf(559,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[484]) ).

thf(560,plain,
    ( ( ( one_sorted_str @ sK1_A )
     => ! [SY69: $i] :
          ( ( element @ SY69 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
         => ( ( subset_complement @ ( the_carrier @ sK1_A ) @ SY69 )
            = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ SY69 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[497]) ).

thf(561,plain,
    ( ( one_sorted_str @ sK1_A )
    = $true ),
    inference(standard_cnf,[status(thm)],[560]) ).

thf(562,plain,
    ( ( ! [SY69: $i] :
          ( ( element @ SY69 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
         => ( ( subset_complement @ ( the_carrier @ sK1_A ) @ SY69 )
            = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ SY69 ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[560]) ).

thf(563,plain,
    ( ( ~ ! [SY69: $i] :
            ( ( element @ SY69 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
           => ( ( subset_complement @ ( the_carrier @ sK1_A ) @ SY69 )
              = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ SY69 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[562]) ).

thf(564,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ C @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[559]) ).

thf(565,plain,
    ( ( ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) )
         => ( element @ A @ ( powerset @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[558]) ).

thf(566,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[557]) ).

thf(567,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)],[556]) ).

thf(568,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)],[555]) ).

thf(569,plain,
    ( ( ! [A: $i] :
          ( ( union @ ( powerset @ A ) )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[554]) ).

thf(570,plain,
    ( ( ! [A: $i] :
          ( ( v1_membered @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( v1_membered @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[553]) ).

thf(571,plain,
    ( ( ! [A: $i] :
          ( ( finite @ A )
         => ! [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
             => ( finite @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[552]) ).

thf(572,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)],[551]) ).

thf(573,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( ( cast_as_carrier_subset @ A )
            = ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[550]) ).

thf(574,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ B )
            = ( set_difference @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[549]) ).

thf(575,plain,
    $true = $true,
    inference(copy,[status(thm)],[548]) ).

thf(576,plain,
    $true = $true,
    inference(copy,[status(thm)],[547]) ).

thf(577,plain,
    $true = $true,
    inference(copy,[status(thm)],[546]) ).

thf(578,plain,
    $true = $true,
    inference(copy,[status(thm)],[545]) ).

thf(579,plain,
    $true = $true,
    inference(copy,[status(thm)],[544]) ).

thf(580,plain,
    $true = $true,
    inference(copy,[status(thm)],[543]) ).

thf(581,plain,
    $true = $true,
    inference(copy,[status(thm)],[542]) ).

thf(582,plain,
    $true = $true,
    inference(copy,[status(thm)],[541]) ).

thf(583,plain,
    $true = $true,
    inference(copy,[status(thm)],[540]) ).

thf(584,plain,
    $true = $true,
    inference(copy,[status(thm)],[539]) ).

thf(585,plain,
    $true = $true,
    inference(copy,[status(thm)],[538]) ).

thf(586,plain,
    $true = $true,
    inference(copy,[status(thm)],[537]) ).

thf(587,plain,
    $true = $true,
    inference(copy,[status(thm)],[536]) ).

thf(588,plain,
    ( ( ! [A: $i] :
          ( ( one_sorted_str @ A )
         => ( element @ ( cast_as_carrier_subset @ A ) @ ( powerset @ ( the_carrier @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[535]) ).

thf(589,plain,
    $true = $true,
    inference(copy,[status(thm)],[534]) ).

thf(590,plain,
    ( ( ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[533]) ).

thf(591,plain,
    $true = $true,
    inference(copy,[status(thm)],[532]) ).

thf(592,plain,
    $true = $true,
    inference(copy,[status(thm)],[531]) ).

thf(593,plain,
    $true = $true,
    inference(copy,[status(thm)],[530]) ).

thf(594,plain,
    $true = $true,
    inference(copy,[status(thm)],[529]) ).

thf(595,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[528]) ).

thf(596,plain,
    $true = $true,
    inference(copy,[status(thm)],[527]) ).

thf(597,plain,
    $true = $true,
    inference(copy,[status(thm)],[526]) ).

thf(598,plain,
    $true = $true,
    inference(copy,[status(thm)],[525]) ).

thf(599,plain,
    $true = $true,
    inference(copy,[status(thm)],[524]) ).

thf(600,plain,
    $true = $true,
    inference(copy,[status(thm)],[523]) ).

thf(601,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[522]) ).

thf(602,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)],[521]) ).

thf(603,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[520]) ).

thf(604,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)],[519]) ).

thf(605,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
         => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[518]) ).

thf(606,plain,
    $true = $true,
    inference(copy,[status(thm)],[517]) ).

thf(607,plain,
    ( ( ! [A: $i] :
          ( ( meet_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[516]) ).

thf(608,plain,
    $true = $true,
    inference(copy,[status(thm)],[515]) ).

thf(609,plain,
    ( ( ! [A: $i] :
          ( ( join_semilatt_str @ A )
         => ( one_sorted_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[514]) ).

thf(610,plain,
    $true = $true,
    inference(copy,[status(thm)],[513]) ).

thf(611,plain,
    $true = $true,
    inference(copy,[status(thm)],[512]) ).

thf(612,plain,
    $true = $true,
    inference(copy,[status(thm)],[511]) ).

thf(613,plain,
    ( ( ? [A: $i] : ( one_sorted_str @ A ) )
    = $true ),
    inference(copy,[status(thm)],[510]) ).

thf(614,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(copy,[status(thm)],[509]) ).

thf(615,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( powerset @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[508]) ).

thf(616,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)],[507]) ).

thf(617,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
            = B ) ) )
    = $true ),
    inference(copy,[status(thm)],[506]) ).

thf(618,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)],[505]) ).

thf(619,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
         => ? [B: $i] :
              ( ( element @ B @ ( powerset @ A ) )
              & ~ ( empty @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[504]) ).

thf(620,plain,
    ( ( ! [A: $i] :
        ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[503]) ).

thf(621,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[502]) ).

thf(622,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)],[501]) ).

thf(623,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[500]) ).

thf(624,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ ( powerset @ B ) )
        <=> ( subset @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[499]) ).

thf(625,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( in @ A @ B )
            & ( element @ B @ ( powerset @ C ) ) )
         => ( element @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[498]) ).

thf(626,plain,
    ( ( one_sorted_str @ sK1_A )
    = $true ),
    inference(copy,[status(thm)],[561]) ).

thf(627,plain,
    ( ( ~ ! [SY69: $i] :
            ( ( element @ SY69 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
           => ( ( subset_complement @ ( the_carrier @ sK1_A ) @ SY69 )
              = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ SY69 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[563]) ).

thf(628,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                  | ~ ( empty @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[620]) ).

thf(629,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( one_sorted_str @ SX0 )
                | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[621]) ).

thf(630,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( element @ ( subset_complement @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[595]) ).

thf(631,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( union_of_subsets @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[601]) ).

thf(632,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)],[572]) ).

thf(633,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)],[618]) ).

thf(634,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( finite @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ( finite @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[571]) ).

thf(635,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( meet_semilatt_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[607]) ).

thf(636,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)],[602]) ).

thf(637,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( cast_as_carrier_subset @ SX0 )
            = ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[573]) ).

thf(638,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)],[604]) ).

thf(639,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)],[624]) ).

thf(640,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ ( powerset @ SX0 ) ) )
          | ( element @ ( meet_of_subsets @ SX0 @ SX1 ) @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[603]) ).

thf(641,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)],[567]) ).

thf(642,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( join_semilatt_str @ SX0 )
          | ( one_sorted_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[609]) ).

thf(643,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( ( cast_as_carrier_subset @ SX0 )
            = ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[566]) ).

thf(644,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)],[616]) ).

thf(645,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( ( subset_complement @ SX0 @ SX1 )
            = ( set_difference @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[574]) ).

thf(646,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( in @ SX0 @ SX1 )
                | ~ ( element @ SX1 @ ( powerset @ SX2 ) ) )
          | ( element @ SX0 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[625]) ).

thf(647,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ( element @ SX1 @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[614]) ).

thf(648,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ( one_sorted_str @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[613]) ).

thf(649,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)],[568]) ).

thf(650,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( v1_membered @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
              | ( v1_membered @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[570]) ).

thf(651,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) )
          | ( element @ SX0 @ ( powerset @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[565]) ).

thf(652,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( element @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[623]) ).

thf(653,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)],[605]) ).

thf(654,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX1 )
              | ( in @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[564]) ).

thf(655,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
          | ( ( subset_complement @ SX0 @ ( subset_complement @ SX0 @ SX1 ) )
            = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[617]) ).

thf(656,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( element @ SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
            | ( ( subset_complement @ ( the_carrier @ sK1_A ) @ SX0 )
              = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[627]) ).

thf(657,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( empty @ SX0 )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( element @ SX1 @ ( powerset @ SX0 ) )
                    | ~ ~ ( empty @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[619]) ).

thf(658,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)],[622]) ).

thf(659,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( one_sorted_str @ SX0 )
          | ( element @ ( cast_as_carrier_subset @ SX0 ) @ ( powerset @ ( the_carrier @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[588]) ).

thf(660,plain,
    ! [SV1: $i] :
      ( ( ( union @ ( powerset @ SV1 ) )
        = SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[569]) ).

thf(661,plain,
    ! [SV2: $i] :
      ( ( element @ ( cast_to_subset @ SV2 ) @ ( powerset @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[590]) ).

thf(662,plain,
    ! [SV3: $i] :
      ( ( ~ ( empty @ ( powerset @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[615]) ).

thf(663,plain,
    ! [SV4: $i] :
      ( ( ~ ! [SY70: $i] :
              ~ ~ ( ~ ( element @ SY70 @ ( powerset @ SV4 ) )
                  | ~ ( empty @ SY70 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(664,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( one_sorted_str @ SX0 )
              | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[629]) ).

thf(665,plain,
    ! [SV5: $i] :
      ( ( ! [SY71: $i] :
            ( ~ ( element @ SY71 @ ( powerset @ SV5 ) )
            | ( element @ ( subset_complement @ SV5 @ SY71 ) @ ( powerset @ SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[630]) ).

thf(666,plain,
    ! [SV6: $i] :
      ( ( ! [SY72: $i] :
            ( ~ ( element @ SY72 @ ( powerset @ ( powerset @ SV6 ) ) )
            | ( element @ ( union_of_subsets @ SV6 @ SY72 ) @ ( powerset @ SV6 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[631]) ).

thf(667,plain,
    ! [SV7: $i] :
      ( ( ! [SY73: $i,SY74: $i] :
            ( ~ ~ ( ~ ( element @ SY73 @ ( powerset @ SV7 ) )
                  | ~ ( element @ SY74 @ ( powerset @ SV7 ) ) )
            | ( ( subset_intersection2 @ SV7 @ SY73 @ SY74 )
              = ( subset_intersection2 @ SV7 @ SY74 @ SY73 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[632]) ).

thf(668,plain,
    ! [SV8: $i] :
      ( ( ! [SY75: $i] :
            ( ~ ( element @ SY75 @ ( powerset @ ( powerset @ SV8 ) ) )
            | ( ( complements_of_subsets @ SV8 @ ( complements_of_subsets @ SV8 @ SY75 ) )
              = SY75 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[633]) ).

thf(669,plain,
    ! [SV9: $i] :
      ( ( ~ ( finite @ SV9 )
        | ! [SY76: $i] :
            ( ~ ( element @ SY76 @ ( powerset @ SV9 ) )
            | ( finite @ SY76 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(670,plain,
    ! [SV10: $i] :
      ( ( ~ ( meet_semilatt_str @ SV10 )
        | ( one_sorted_str @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[635]) ).

thf(671,plain,
    ! [SV11: $i] :
      ( ( ! [SY77: $i,SY78: $i] :
            ( ~ ~ ( ~ ( element @ SY77 @ ( powerset @ SV11 ) )
                  | ~ ( element @ SY78 @ ( powerset @ SV11 ) ) )
            | ( element @ ( subset_intersection2 @ SV11 @ SY77 @ SY78 ) @ ( powerset @ SV11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[636]) ).

thf(672,plain,
    ! [SV12: $i] :
      ( ( ~ ( one_sorted_str @ SV12 )
        | ( ( cast_as_carrier_subset @ SV12 )
          = ( the_carrier @ SV12 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[637]) ).

thf(673,plain,
    ! [SV13: $i] :
      ( ( ! [SY79: $i,SY80: $i] :
            ( ~ ~ ( ~ ( element @ SY79 @ ( powerset @ SV13 ) )
                  | ~ ( element @ SY80 @ ( powerset @ SV13 ) ) )
            | ( element @ ( subset_difference @ SV13 @ SY79 @ SY80 ) @ ( powerset @ SV13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[638]) ).

thf(674,plain,
    ! [SV14: $i] :
      ( ( ! [SY81: $i] :
            ~ ( ~ ( ~ ( element @ SV14 @ ( powerset @ SY81 ) )
                  | ( subset @ SV14 @ SY81 ) )
              | ~ ( ~ ( subset @ SV14 @ SY81 )
                  | ( element @ SV14 @ ( powerset @ SY81 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(675,plain,
    ! [SV15: $i] :
      ( ( ! [SY82: $i] :
            ( ~ ( element @ SY82 @ ( powerset @ ( powerset @ SV15 ) ) )
            | ( element @ ( meet_of_subsets @ SV15 @ SY82 ) @ ( powerset @ SV15 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[640]) ).

thf(676,plain,
    ! [SV16: $i] :
      ( ( ~ ( one_sorted_str @ SV16 )
        | ! [SY83: $i] :
            ( ~ ( element @ SY83 @ ( powerset @ ( the_carrier @ SV16 ) ) )
            | ( ( subset_intersection2 @ ( the_carrier @ SV16 ) @ SY83 @ ( cast_as_carrier_subset @ SV16 ) )
              = SY83 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[641]) ).

thf(677,plain,
    ! [SV17: $i] :
      ( ( ~ ( join_semilatt_str @ SV17 )
        | ( one_sorted_str @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[642]) ).

thf(678,plain,
    ! [SV18: $i] :
      ( ( ~ ( one_sorted_str @ SV18 )
        | ( ( cast_as_carrier_subset @ SV18 )
          = ( the_carrier @ SV18 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[643]) ).

thf(679,plain,
    ! [SV19: $i] :
      ( ( ! [SY84: $i,SY85: $i] :
            ( ~ ~ ( ~ ( element @ SY84 @ ( powerset @ SV19 ) )
                  | ~ ( element @ SY85 @ ( powerset @ SV19 ) ) )
            | ( ( subset_intersection2 @ SV19 @ SY84 @ SY84 )
              = SY84 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[644]) ).

thf(680,plain,
    ! [SV20: $i] :
      ( ( ! [SY86: $i] :
            ( ~ ( element @ SY86 @ ( powerset @ SV20 ) )
            | ( ( subset_complement @ SV20 @ SY86 )
              = ( set_difference @ SV20 @ SY86 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[645]) ).

thf(681,plain,
    ! [SV21: $i] :
      ( ( ! [SY87: $i,SY88: $i] :
            ( ~ ~ ( ~ ( in @ SV21 @ SY87 )
                  | ~ ( element @ SY87 @ ( powerset @ SY88 ) ) )
            | ( element @ SV21 @ SY88 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[646]) ).

thf(682,plain,
    ! [SV22: $i] :
      ( ( ~ ! [SY89: $i] :
              ~ ( element @ SY89 @ SV22 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[647]) ).

thf(683,plain,
    ( ( ! [SX0: $i] :
          ~ ( one_sorted_str @ SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[648]) ).

thf(684,plain,
    ! [SV23: $i] :
      ( ( ! [SY90: $i,SY91: $i] :
            ( ~ ( element @ SY91 @ ( powerset @ SV23 ) )
            | ~ ~ ( ~ ( in @ SY90 @ ( subset_complement @ SV23 @ SY91 ) )
                  | ~ ( in @ SY90 @ SY91 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[649]) ).

thf(685,plain,
    ! [SV24: $i] :
      ( ( ~ ( v1_membered @ SV24 )
        | ! [SY92: $i] :
            ( ~ ( element @ SY92 @ ( powerset @ SV24 ) )
            | ( v1_membered @ SY92 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[650]) ).

thf(686,plain,
    ! [SV25: $i] :
      ( ( ! [SY93: $i] :
            ( ~ ! [SY94: $i] :
                  ( ~ ( in @ SY94 @ SV25 )
                  | ( in @ SY94 @ SY93 ) )
            | ( element @ SV25 @ ( powerset @ SY93 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[651]) ).

thf(687,plain,
    ! [SV26: $i] :
      ( ( ! [SY95: $i] :
            ( ~ ( in @ SV26 @ SY95 )
            | ( element @ SV26 @ SY95 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[652]) ).

thf(688,plain,
    ! [SV27: $i] :
      ( ( ! [SY96: $i] :
            ( ~ ( element @ SY96 @ ( powerset @ ( powerset @ SV27 ) ) )
            | ( element @ ( complements_of_subsets @ SV27 @ SY96 ) @ ( powerset @ ( powerset @ SV27 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[653]) ).

thf(689,plain,
    ! [SV28: $i] :
      ( ( ! [SY97: $i] :
            ( ~ ( element @ SY97 @ ( powerset @ SV28 ) )
            | ! [SY98: $i] :
                ( ~ ( in @ SY98 @ SY97 )
                | ( in @ SY98 @ SV28 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[654]) ).

thf(690,plain,
    ! [SV29: $i] :
      ( ( ! [SY99: $i] :
            ( ~ ( element @ SY99 @ ( powerset @ SV29 ) )
            | ( ( subset_complement @ SV29 @ ( subset_complement @ SV29 @ SY99 ) )
              = SY99 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[655]) ).

thf(691,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( element @ SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
          | ( ( subset_complement @ ( the_carrier @ sK1_A ) @ SX0 )
            = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[656]) ).

thf(692,plain,
    ! [SV30: $i] :
      ( ( ~ ~ ( empty @ SV30 )
        | ~ ! [SY100: $i] :
              ~ ~ ( ~ ( element @ SY100 @ ( powerset @ SV30 ) )
                  | ~ ~ ( empty @ SY100 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[657]) ).

thf(693,plain,
    ! [SV31: $i] :
      ( ( ! [SY101: $i,SY102: $i] :
            ( ~ ~ ( ~ ( element @ SY101 @ ( powerset @ SV31 ) )
                  | ~ ( element @ SY102 @ ( powerset @ SV31 ) ) )
            | ( ( subset_difference @ SV31 @ SY101 @ SY102 )
              = ( set_difference @ SY101 @ SY102 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[658]) ).

thf(694,plain,
    ! [SV32: $i] :
      ( ( ~ ( one_sorted_str @ SV32 )
        | ( element @ ( cast_as_carrier_subset @ SV32 ) @ ( powerset @ ( the_carrier @ SV32 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[659]) ).

thf(695,plain,
    ! [SV3: $i] :
      ( ( empty @ ( powerset @ SV3 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[662]) ).

thf(696,plain,
    ! [SV4: $i] :
      ( ( ! [SY70: $i] :
            ~ ~ ( ~ ( element @ SY70 @ ( powerset @ SV4 ) )
                | ~ ( empty @ SY70 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[663]) ).

thf(697,plain,
    ( ( ~ ~ ( ~ ( one_sorted_str @ sK2_SX0 )
            | ~ ~ ( empty_carrier @ sK2_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[664]) ).

thf(698,plain,
    ! [SV5: $i,SV33: $i] :
      ( ( ~ ( element @ SV33 @ ( powerset @ SV5 ) )
        | ( element @ ( subset_complement @ SV5 @ SV33 ) @ ( powerset @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(699,plain,
    ! [SV6: $i,SV34: $i] :
      ( ( ~ ( element @ SV34 @ ( powerset @ ( powerset @ SV6 ) ) )
        | ( element @ ( union_of_subsets @ SV6 @ SV34 ) @ ( powerset @ SV6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[666]) ).

thf(700,plain,
    ! [SV7: $i,SV35: $i] :
      ( ( ! [SY103: $i] :
            ( ~ ~ ( ~ ( element @ SV35 @ ( powerset @ SV7 ) )
                  | ~ ( element @ SY103 @ ( powerset @ SV7 ) ) )
            | ( ( subset_intersection2 @ SV7 @ SV35 @ SY103 )
              = ( subset_intersection2 @ SV7 @ SY103 @ SV35 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[667]) ).

thf(701,plain,
    ! [SV8: $i,SV36: $i] :
      ( ( ~ ( element @ SV36 @ ( powerset @ ( powerset @ SV8 ) ) )
        | ( ( complements_of_subsets @ SV8 @ ( complements_of_subsets @ SV8 @ SV36 ) )
          = SV36 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[668]) ).

thf(702,plain,
    ! [SV9: $i] :
      ( ( ( ~ ( finite @ SV9 ) )
        = $true )
      | ( ( ! [SY76: $i] :
              ( ~ ( element @ SY76 @ ( powerset @ SV9 ) )
              | ( finite @ SY76 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[669]) ).

thf(703,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( meet_semilatt_str @ SV10 ) )
        = $true )
      | ( ( one_sorted_str @ SV10 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[670]) ).

thf(704,plain,
    ! [SV11: $i,SV37: $i] :
      ( ( ! [SY104: $i] :
            ( ~ ~ ( ~ ( element @ SV37 @ ( powerset @ SV11 ) )
                  | ~ ( element @ SY104 @ ( powerset @ SV11 ) ) )
            | ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SY104 ) @ ( powerset @ SV11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[671]) ).

thf(705,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( one_sorted_str @ SV12 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV12 )
          = ( the_carrier @ SV12 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[672]) ).

thf(706,plain,
    ! [SV13: $i,SV38: $i] :
      ( ( ! [SY105: $i] :
            ( ~ ~ ( ~ ( element @ SV38 @ ( powerset @ SV13 ) )
                  | ~ ( element @ SY105 @ ( powerset @ SV13 ) ) )
            | ( element @ ( subset_difference @ SV13 @ SV38 @ SY105 ) @ ( powerset @ SV13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[673]) ).

thf(707,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ~ ( ~ ( ~ ( element @ SV14 @ ( powerset @ SV39 ) )
                | ( subset @ SV14 @ SV39 ) )
            | ~ ( ~ ( subset @ SV14 @ SV39 )
                | ( element @ SV14 @ ( powerset @ SV39 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[674]) ).

thf(708,plain,
    ! [SV15: $i,SV40: $i] :
      ( ( ~ ( element @ SV40 @ ( powerset @ ( powerset @ SV15 ) ) )
        | ( element @ ( meet_of_subsets @ SV15 @ SV40 ) @ ( powerset @ SV15 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[675]) ).

thf(709,plain,
    ! [SV16: $i] :
      ( ( ( ~ ( one_sorted_str @ SV16 ) )
        = $true )
      | ( ( ! [SY83: $i] :
              ( ~ ( element @ SY83 @ ( powerset @ ( the_carrier @ SV16 ) ) )
              | ( ( subset_intersection2 @ ( the_carrier @ SV16 ) @ SY83 @ ( cast_as_carrier_subset @ SV16 ) )
                = SY83 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[676]) ).

thf(710,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( join_semilatt_str @ SV17 ) )
        = $true )
      | ( ( one_sorted_str @ SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[677]) ).

thf(711,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( one_sorted_str @ SV18 ) )
        = $true )
      | ( ( ( cast_as_carrier_subset @ SV18 )
          = ( the_carrier @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[678]) ).

thf(712,plain,
    ! [SV19: $i,SV41: $i] :
      ( ( ! [SY106: $i] :
            ( ~ ~ ( ~ ( element @ SV41 @ ( powerset @ SV19 ) )
                  | ~ ( element @ SY106 @ ( powerset @ SV19 ) ) )
            | ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
              = SV41 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(713,plain,
    ! [SV20: $i,SV42: $i] :
      ( ( ~ ( element @ SV42 @ ( powerset @ SV20 ) )
        | ( ( subset_complement @ SV20 @ SV42 )
          = ( set_difference @ SV20 @ SV42 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[680]) ).

thf(714,plain,
    ! [SV43: $i,SV21: $i] :
      ( ( ! [SY107: $i] :
            ( ~ ~ ( ~ ( in @ SV21 @ SV43 )
                  | ~ ( element @ SV43 @ ( powerset @ SY107 ) ) )
            | ( element @ SV21 @ SY107 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[681]) ).

thf(715,plain,
    ! [SV22: $i] :
      ( ( ! [SY89: $i] :
            ~ ( element @ SY89 @ SV22 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[682]) ).

thf(716,plain,
    ( ( ~ ( one_sorted_str @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[683]) ).

thf(717,plain,
    ! [SV44: $i,SV23: $i] :
      ( ( ! [SY108: $i] :
            ( ~ ( element @ SY108 @ ( powerset @ SV23 ) )
            | ~ ~ ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SY108 ) )
                  | ~ ( in @ SV44 @ SY108 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[684]) ).

thf(718,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( v1_membered @ SV24 ) )
        = $true )
      | ( ( ! [SY92: $i] :
              ( ~ ( element @ SY92 @ ( powerset @ SV24 ) )
              | ( v1_membered @ SY92 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[685]) ).

thf(719,plain,
    ! [SV45: $i,SV25: $i] :
      ( ( ~ ! [SY109: $i] :
              ( ~ ( in @ SY109 @ SV25 )
              | ( in @ SY109 @ SV45 ) )
        | ( element @ SV25 @ ( powerset @ SV45 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[686]) ).

thf(720,plain,
    ! [SV46: $i,SV26: $i] :
      ( ( ~ ( in @ SV26 @ SV46 )
        | ( element @ SV26 @ SV46 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[687]) ).

thf(721,plain,
    ! [SV27: $i,SV47: $i] :
      ( ( ~ ( element @ SV47 @ ( powerset @ ( powerset @ SV27 ) ) )
        | ( element @ ( complements_of_subsets @ SV27 @ SV47 ) @ ( powerset @ ( powerset @ SV27 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[688]) ).

thf(722,plain,
    ! [SV28: $i,SV48: $i] :
      ( ( ~ ( element @ SV48 @ ( powerset @ SV28 ) )
        | ! [SY110: $i] :
            ( ~ ( in @ SY110 @ SV48 )
            | ( in @ SY110 @ SV28 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[689]) ).

thf(723,plain,
    ! [SV29: $i,SV49: $i] :
      ( ( ~ ( element @ SV49 @ ( powerset @ SV29 ) )
        | ( ( subset_complement @ SV29 @ ( subset_complement @ SV29 @ SV49 ) )
          = SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[690]) ).

thf(724,plain,
    ( ( ~ ( element @ sK4_SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
      | ( ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 )
        = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ sK4_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[691]) ).

thf(725,plain,
    ! [SV30: $i] :
      ( ( ( ~ ~ ( empty @ SV30 ) )
        = $true )
      | ( ( ~ ! [SY100: $i] :
                ~ ~ ( ~ ( element @ SY100 @ ( powerset @ SV30 ) )
                    | ~ ~ ( empty @ SY100 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[692]) ).

thf(726,plain,
    ! [SV31: $i,SV50: $i] :
      ( ( ! [SY111: $i] :
            ( ~ ~ ( ~ ( element @ SV50 @ ( powerset @ SV31 ) )
                  | ~ ( element @ SY111 @ ( powerset @ SV31 ) ) )
            | ( ( subset_difference @ SV31 @ SV50 @ SY111 )
              = ( set_difference @ SV50 @ SY111 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[693]) ).

thf(727,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( one_sorted_str @ SV32 ) )
        = $true )
      | ( ( element @ ( cast_as_carrier_subset @ SV32 ) @ ( powerset @ ( the_carrier @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[694]) ).

thf(728,plain,
    ! [SV4: $i] :
      ( ( ~ ~ ( ~ ( element @ ( sK5_SY70 @ SV4 ) @ ( powerset @ SV4 ) )
              | ~ ( empty @ ( sK5_SY70 @ SV4 ) ) ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[696]) ).

thf(729,plain,
    ( ( ~ ( ~ ( one_sorted_str @ sK2_SX0 )
          | ~ ~ ( empty_carrier @ sK2_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[697]) ).

thf(730,plain,
    ! [SV5: $i,SV33: $i] :
      ( ( ( ~ ( element @ SV33 @ ( powerset @ SV5 ) ) )
        = $true )
      | ( ( element @ ( subset_complement @ SV5 @ SV33 ) @ ( powerset @ SV5 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[698]) ).

thf(731,plain,
    ! [SV6: $i,SV34: $i] :
      ( ( ( ~ ( element @ SV34 @ ( powerset @ ( powerset @ SV6 ) ) ) )
        = $true )
      | ( ( element @ ( union_of_subsets @ SV6 @ SV34 ) @ ( powerset @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[699]) ).

thf(732,plain,
    ! [SV51: $i,SV7: $i,SV35: $i] :
      ( ( ~ ~ ( ~ ( element @ SV35 @ ( powerset @ SV7 ) )
              | ~ ( element @ SV51 @ ( powerset @ SV7 ) ) )
        | ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[700]) ).

thf(733,plain,
    ! [SV8: $i,SV36: $i] :
      ( ( ( ~ ( element @ SV36 @ ( powerset @ ( powerset @ SV8 ) ) ) )
        = $true )
      | ( ( ( complements_of_subsets @ SV8 @ ( complements_of_subsets @ SV8 @ SV36 ) )
          = SV36 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[701]) ).

thf(734,plain,
    ! [SV9: $i] :
      ( ( ( finite @ SV9 )
        = $false )
      | ( ( ! [SY76: $i] :
              ( ~ ( element @ SY76 @ ( powerset @ SV9 ) )
              | ( finite @ SY76 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[702]) ).

thf(735,plain,
    ! [SV10: $i] :
      ( ( ( meet_semilatt_str @ SV10 )
        = $false )
      | ( ( one_sorted_str @ SV10 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[703]) ).

thf(736,plain,
    ! [SV52: $i,SV11: $i,SV37: $i] :
      ( ( ~ ~ ( ~ ( element @ SV37 @ ( powerset @ SV11 ) )
              | ~ ( element @ SV52 @ ( powerset @ SV11 ) ) )
        | ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[704]) ).

thf(737,plain,
    ! [SV12: $i] :
      ( ( ( one_sorted_str @ SV12 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV12 )
          = ( the_carrier @ SV12 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[705]) ).

thf(738,plain,
    ! [SV53: $i,SV13: $i,SV38: $i] :
      ( ( ~ ~ ( ~ ( element @ SV38 @ ( powerset @ SV13 ) )
              | ~ ( element @ SV53 @ ( powerset @ SV13 ) ) )
        | ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[706]) ).

thf(739,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ~ ( ~ ( element @ SV14 @ ( powerset @ SV39 ) )
            | ( subset @ SV14 @ SV39 ) )
        | ~ ( ~ ( subset @ SV14 @ SV39 )
            | ( element @ SV14 @ ( powerset @ SV39 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[707]) ).

thf(740,plain,
    ! [SV15: $i,SV40: $i] :
      ( ( ( ~ ( element @ SV40 @ ( powerset @ ( powerset @ SV15 ) ) ) )
        = $true )
      | ( ( element @ ( meet_of_subsets @ SV15 @ SV40 ) @ ( powerset @ SV15 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[708]) ).

thf(741,plain,
    ! [SV16: $i] :
      ( ( ( one_sorted_str @ SV16 )
        = $false )
      | ( ( ! [SY83: $i] :
              ( ~ ( element @ SY83 @ ( powerset @ ( the_carrier @ SV16 ) ) )
              | ( ( subset_intersection2 @ ( the_carrier @ SV16 ) @ SY83 @ ( cast_as_carrier_subset @ SV16 ) )
                = SY83 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[709]) ).

thf(742,plain,
    ! [SV17: $i] :
      ( ( ( join_semilatt_str @ SV17 )
        = $false )
      | ( ( one_sorted_str @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[710]) ).

thf(743,plain,
    ! [SV18: $i] :
      ( ( ( one_sorted_str @ SV18 )
        = $false )
      | ( ( ( cast_as_carrier_subset @ SV18 )
          = ( the_carrier @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[711]) ).

thf(744,plain,
    ! [SV54: $i,SV19: $i,SV41: $i] :
      ( ( ~ ~ ( ~ ( element @ SV41 @ ( powerset @ SV19 ) )
              | ~ ( element @ SV54 @ ( powerset @ SV19 ) ) )
        | ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[712]) ).

thf(745,plain,
    ! [SV20: $i,SV42: $i] :
      ( ( ( ~ ( element @ SV42 @ ( powerset @ SV20 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV20 @ SV42 )
          = ( set_difference @ SV20 @ SV42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[713]) ).

thf(746,plain,
    ! [SV55: $i,SV43: $i,SV21: $i] :
      ( ( ~ ~ ( ~ ( in @ SV21 @ SV43 )
              | ~ ( element @ SV43 @ ( powerset @ SV55 ) ) )
        | ( element @ SV21 @ SV55 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[714]) ).

thf(747,plain,
    ! [SV22: $i] :
      ( ( ~ ( element @ ( sK6_SY89 @ SV22 ) @ SV22 ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[715]) ).

thf(748,plain,
    ( ( one_sorted_str @ sK3_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[716]) ).

thf(749,plain,
    ! [SV44: $i,SV23: $i,SV56: $i] :
      ( ( ~ ( element @ SV56 @ ( powerset @ SV23 ) )
        | ~ ~ ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
              | ~ ( in @ SV44 @ SV56 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[717]) ).

thf(750,plain,
    ! [SV24: $i] :
      ( ( ( v1_membered @ SV24 )
        = $false )
      | ( ( ! [SY92: $i] :
              ( ~ ( element @ SY92 @ ( powerset @ SV24 ) )
              | ( v1_membered @ SY92 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[718]) ).

thf(751,plain,
    ! [SV45: $i,SV25: $i] :
      ( ( ( ~ ! [SY109: $i] :
                ( ~ ( in @ SY109 @ SV25 )
                | ( in @ SY109 @ SV45 ) ) )
        = $true )
      | ( ( element @ SV25 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[719]) ).

thf(752,plain,
    ! [SV46: $i,SV26: $i] :
      ( ( ( ~ ( in @ SV26 @ SV46 ) )
        = $true )
      | ( ( element @ SV26 @ SV46 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[720]) ).

thf(753,plain,
    ! [SV27: $i,SV47: $i] :
      ( ( ( ~ ( element @ SV47 @ ( powerset @ ( powerset @ SV27 ) ) ) )
        = $true )
      | ( ( element @ ( complements_of_subsets @ SV27 @ SV47 ) @ ( powerset @ ( powerset @ SV27 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[721]) ).

thf(754,plain,
    ! [SV28: $i,SV48: $i] :
      ( ( ( ~ ( element @ SV48 @ ( powerset @ SV28 ) ) )
        = $true )
      | ( ( ! [SY110: $i] :
              ( ~ ( in @ SY110 @ SV48 )
              | ( in @ SY110 @ SV28 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[722]) ).

thf(755,plain,
    ! [SV29: $i,SV49: $i] :
      ( ( ( ~ ( element @ SV49 @ ( powerset @ SV29 ) ) )
        = $true )
      | ( ( ( subset_complement @ SV29 @ ( subset_complement @ SV29 @ SV49 ) )
          = SV49 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[723]) ).

thf(756,plain,
    ( ( ~ ( element @ sK4_SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[724]) ).

thf(757,plain,
    ( ( ( subset_complement @ ( the_carrier @ sK1_A ) @ sK4_SX0 )
      = ( subset_difference @ ( the_carrier @ sK1_A ) @ ( cast_as_carrier_subset @ sK1_A ) @ sK4_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[724]) ).

thf(758,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( empty @ SV30 ) )
        = $false )
      | ( ( ~ ! [SY100: $i] :
                ~ ~ ( ~ ( element @ SY100 @ ( powerset @ SV30 ) )
                    | ~ ~ ( empty @ SY100 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(759,plain,
    ! [SV57: $i,SV31: $i,SV50: $i] :
      ( ( ~ ~ ( ~ ( element @ SV50 @ ( powerset @ SV31 ) )
              | ~ ( element @ SV57 @ ( powerset @ SV31 ) ) )
        | ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[726]) ).

thf(760,plain,
    ! [SV32: $i] :
      ( ( ( one_sorted_str @ SV32 )
        = $false )
      | ( ( element @ ( cast_as_carrier_subset @ SV32 ) @ ( powerset @ ( the_carrier @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[727]) ).

thf(761,plain,
    ! [SV4: $i] :
      ( ( ~ ( ~ ( element @ ( sK5_SY70 @ SV4 ) @ ( powerset @ SV4 ) )
            | ~ ( empty @ ( sK5_SY70 @ SV4 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[728]) ).

thf(762,plain,
    ( ( ~ ( one_sorted_str @ sK2_SX0 )
      | ~ ~ ( empty_carrier @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[729]) ).

thf(763,plain,
    ! [SV5: $i,SV33: $i] :
      ( ( ( element @ SV33 @ ( powerset @ SV5 ) )
        = $false )
      | ( ( element @ ( subset_complement @ SV5 @ SV33 ) @ ( powerset @ SV5 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[730]) ).

thf(764,plain,
    ! [SV6: $i,SV34: $i] :
      ( ( ( element @ SV34 @ ( powerset @ ( powerset @ SV6 ) ) )
        = $false )
      | ( ( element @ ( union_of_subsets @ SV6 @ SV34 ) @ ( powerset @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[731]) ).

thf(765,plain,
    ! [SV51: $i,SV7: $i,SV35: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV35 @ ( powerset @ SV7 ) )
                | ~ ( element @ SV51 @ ( powerset @ SV7 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[732]) ).

thf(766,plain,
    ! [SV8: $i,SV36: $i] :
      ( ( ( element @ SV36 @ ( powerset @ ( powerset @ SV8 ) ) )
        = $false )
      | ( ( ( complements_of_subsets @ SV8 @ ( complements_of_subsets @ SV8 @ SV36 ) )
          = SV36 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[733]) ).

thf(767,plain,
    ! [SV9: $i,SV58: $i] :
      ( ( ( ~ ( element @ SV58 @ ( powerset @ SV9 ) )
          | ( finite @ SV58 ) )
        = $true )
      | ( ( finite @ SV9 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[734]) ).

thf(768,plain,
    ! [SV52: $i,SV11: $i,SV37: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV37 @ ( powerset @ SV11 ) )
                | ~ ( element @ SV52 @ ( powerset @ SV11 ) ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[736]) ).

thf(769,plain,
    ! [SV53: $i,SV13: $i,SV38: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV38 @ ( powerset @ SV13 ) )
                | ~ ( element @ SV53 @ ( powerset @ SV13 ) ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[738]) ).

thf(770,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ~ ( ~ ( element @ SV14 @ ( powerset @ SV39 ) )
            | ( subset @ SV14 @ SV39 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[739]) ).

thf(771,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ~ ( ~ ( subset @ SV14 @ SV39 )
            | ( element @ SV14 @ ( powerset @ SV39 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[739]) ).

thf(772,plain,
    ! [SV15: $i,SV40: $i] :
      ( ( ( element @ SV40 @ ( powerset @ ( powerset @ SV15 ) ) )
        = $false )
      | ( ( element @ ( meet_of_subsets @ SV15 @ SV40 ) @ ( powerset @ SV15 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[740]) ).

thf(773,plain,
    ! [SV16: $i,SV59: $i] :
      ( ( ( ~ ( element @ SV59 @ ( powerset @ ( the_carrier @ SV16 ) ) )
          | ( ( subset_intersection2 @ ( the_carrier @ SV16 ) @ SV59 @ ( cast_as_carrier_subset @ SV16 ) )
            = SV59 ) )
        = $true )
      | ( ( one_sorted_str @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[741]) ).

thf(774,plain,
    ! [SV54: $i,SV19: $i,SV41: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV41 @ ( powerset @ SV19 ) )
                | ~ ( element @ SV54 @ ( powerset @ SV19 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[744]) ).

thf(775,plain,
    ! [SV20: $i,SV42: $i] :
      ( ( ( element @ SV42 @ ( powerset @ SV20 ) )
        = $false )
      | ( ( ( subset_complement @ SV20 @ SV42 )
          = ( set_difference @ SV20 @ SV42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[745]) ).

thf(776,plain,
    ! [SV55: $i,SV43: $i,SV21: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV21 @ SV43 )
                | ~ ( element @ SV43 @ ( powerset @ SV55 ) ) ) )
        = $true )
      | ( ( element @ SV21 @ SV55 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[746]) ).

thf(777,plain,
    ! [SV22: $i] :
      ( ( element @ ( sK6_SY89 @ SV22 ) @ SV22 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[747]) ).

thf(778,plain,
    ! [SV44: $i,SV23: $i,SV56: $i] :
      ( ( ( ~ ( element @ SV56 @ ( powerset @ SV23 ) ) )
        = $true )
      | ( ( ~ ~ ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
                | ~ ( in @ SV44 @ SV56 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[749]) ).

thf(779,plain,
    ! [SV24: $i,SV60: $i] :
      ( ( ( ~ ( element @ SV60 @ ( powerset @ SV24 ) )
          | ( v1_membered @ SV60 ) )
        = $true )
      | ( ( v1_membered @ SV24 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[750]) ).

thf(780,plain,
    ! [SV45: $i,SV25: $i] :
      ( ( ( ! [SY109: $i] :
              ( ~ ( in @ SY109 @ SV25 )
              | ( in @ SY109 @ SV45 ) ) )
        = $false )
      | ( ( element @ SV25 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[751]) ).

thf(781,plain,
    ! [SV46: $i,SV26: $i] :
      ( ( ( in @ SV26 @ SV46 )
        = $false )
      | ( ( element @ SV26 @ SV46 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[752]) ).

thf(782,plain,
    ! [SV27: $i,SV47: $i] :
      ( ( ( element @ SV47 @ ( powerset @ ( powerset @ SV27 ) ) )
        = $false )
      | ( ( element @ ( complements_of_subsets @ SV27 @ SV47 ) @ ( powerset @ ( powerset @ SV27 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[753]) ).

thf(783,plain,
    ! [SV28: $i,SV48: $i] :
      ( ( ( element @ SV48 @ ( powerset @ SV28 ) )
        = $false )
      | ( ( ! [SY110: $i] :
              ( ~ ( in @ SY110 @ SV48 )
              | ( in @ SY110 @ SV28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[754]) ).

thf(784,plain,
    ! [SV29: $i,SV49: $i] :
      ( ( ( element @ SV49 @ ( powerset @ SV29 ) )
        = $false )
      | ( ( ( subset_complement @ SV29 @ ( subset_complement @ SV29 @ SV49 ) )
          = SV49 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[755]) ).

thf(785,plain,
    ( ( element @ sK4_SX0 @ ( powerset @ ( the_carrier @ sK1_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[756]) ).

thf(786,plain,
    ! [SV30: $i] :
      ( ( ( empty @ SV30 )
        = $true )
      | ( ( ~ ! [SY100: $i] :
                ~ ~ ( ~ ( element @ SY100 @ ( powerset @ SV30 ) )
                    | ~ ~ ( empty @ SY100 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[758]) ).

thf(787,plain,
    ! [SV57: $i,SV31: $i,SV50: $i] :
      ( ( ( ~ ~ ( ~ ( element @ SV50 @ ( powerset @ SV31 ) )
                | ~ ( element @ SV57 @ ( powerset @ SV31 ) ) ) )
        = $true )
      | ( ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[759]) ).

thf(788,plain,
    ! [SV4: $i] :
      ( ( ~ ( element @ ( sK5_SY70 @ SV4 ) @ ( powerset @ SV4 ) )
        | ~ ( empty @ ( sK5_SY70 @ SV4 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[761]) ).

thf(789,plain,
    ( ( ~ ( one_sorted_str @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[762]) ).

thf(790,plain,
    ( ( ~ ~ ( empty_carrier @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[762]) ).

thf(791,plain,
    ! [SV51: $i,SV7: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( element @ SV35 @ ( powerset @ SV7 ) )
              | ~ ( element @ SV51 @ ( powerset @ SV7 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[765]) ).

thf(792,plain,
    ! [SV9: $i,SV58: $i] :
      ( ( ( ~ ( element @ SV58 @ ( powerset @ SV9 ) ) )
        = $true )
      | ( ( finite @ SV58 )
        = $true )
      | ( ( finite @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[767]) ).

thf(793,plain,
    ! [SV52: $i,SV11: $i,SV37: $i] :
      ( ( ( ~ ( ~ ( element @ SV37 @ ( powerset @ SV11 ) )
              | ~ ( element @ SV52 @ ( powerset @ SV11 ) ) ) )
        = $false )
      | ( ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[768]) ).

thf(794,plain,
    ! [SV53: $i,SV13: $i,SV38: $i] :
      ( ( ( ~ ( ~ ( element @ SV38 @ ( powerset @ SV13 ) )
              | ~ ( element @ SV53 @ ( powerset @ SV13 ) ) ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[769]) ).

thf(795,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ~ ( element @ SV14 @ ( powerset @ SV39 ) )
        | ( subset @ SV14 @ SV39 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[770]) ).

thf(796,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ~ ( subset @ SV14 @ SV39 )
        | ( element @ SV14 @ ( powerset @ SV39 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[771]) ).

thf(797,plain,
    ! [SV16: $i,SV59: $i] :
      ( ( ( ~ ( element @ SV59 @ ( powerset @ ( the_carrier @ SV16 ) ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ ( the_carrier @ SV16 ) @ SV59 @ ( cast_as_carrier_subset @ SV16 ) )
          = SV59 )
        = $true )
      | ( ( one_sorted_str @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[773]) ).

thf(798,plain,
    ! [SV54: $i,SV19: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( element @ SV41 @ ( powerset @ SV19 ) )
              | ~ ( element @ SV54 @ ( powerset @ SV19 ) ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[774]) ).

thf(799,plain,
    ! [SV55: $i,SV43: $i,SV21: $i] :
      ( ( ( ~ ( ~ ( in @ SV21 @ SV43 )
              | ~ ( element @ SV43 @ ( powerset @ SV55 ) ) ) )
        = $false )
      | ( ( element @ SV21 @ SV55 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[776]) ).

thf(800,plain,
    ! [SV44: $i,SV23: $i,SV56: $i] :
      ( ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false )
      | ( ( ~ ~ ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
                | ~ ( in @ SV44 @ SV56 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[778]) ).

thf(801,plain,
    ! [SV24: $i,SV60: $i] :
      ( ( ( ~ ( element @ SV60 @ ( powerset @ SV24 ) ) )
        = $true )
      | ( ( v1_membered @ SV60 )
        = $true )
      | ( ( v1_membered @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[779]) ).

thf(802,plain,
    ! [SV25: $i,SV45: $i] :
      ( ( ( ~ ( in @ ( sK7_SY109 @ SV45 @ SV25 ) @ SV25 )
          | ( in @ ( sK7_SY109 @ SV45 @ SV25 ) @ SV45 ) )
        = $false )
      | ( ( element @ SV25 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[780]) ).

thf(803,plain,
    ! [SV28: $i,SV48: $i,SV61: $i] :
      ( ( ( ~ ( in @ SV61 @ SV48 )
          | ( in @ SV61 @ SV28 ) )
        = $true )
      | ( ( element @ SV48 @ ( powerset @ SV28 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[783]) ).

thf(804,plain,
    ! [SV30: $i] :
      ( ( ( ! [SY100: $i] :
              ~ ~ ( ~ ( element @ SY100 @ ( powerset @ SV30 ) )
                  | ~ ~ ( empty @ SY100 ) ) )
        = $false )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[786]) ).

thf(805,plain,
    ! [SV57: $i,SV31: $i,SV50: $i] :
      ( ( ( ~ ( ~ ( element @ SV50 @ ( powerset @ SV31 ) )
              | ~ ( element @ SV57 @ ( powerset @ SV31 ) ) ) )
        = $false )
      | ( ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[787]) ).

thf(806,plain,
    ! [SV4: $i] :
      ( ( ~ ( element @ ( sK5_SY70 @ SV4 ) @ ( powerset @ SV4 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[788]) ).

thf(807,plain,
    ! [SV4: $i] :
      ( ( ~ ( empty @ ( sK5_SY70 @ SV4 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[788]) ).

thf(808,plain,
    ( ( one_sorted_str @ sK2_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[789]) ).

thf(809,plain,
    ( ( ~ ( empty_carrier @ sK2_SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[790]) ).

thf(810,plain,
    ! [SV51: $i,SV7: $i,SV35: $i] :
      ( ( ( ~ ( element @ SV35 @ ( powerset @ SV7 ) )
          | ~ ( element @ SV51 @ ( powerset @ SV7 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[791]) ).

thf(811,plain,
    ! [SV9: $i,SV58: $i] :
      ( ( ( element @ SV58 @ ( powerset @ SV9 ) )
        = $false )
      | ( ( finite @ SV58 )
        = $true )
      | ( ( finite @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[792]) ).

thf(812,plain,
    ! [SV52: $i,SV11: $i,SV37: $i] :
      ( ( ( ~ ( element @ SV37 @ ( powerset @ SV11 ) )
          | ~ ( element @ SV52 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[793]) ).

thf(813,plain,
    ! [SV53: $i,SV13: $i,SV38: $i] :
      ( ( ( ~ ( element @ SV38 @ ( powerset @ SV13 ) )
          | ~ ( element @ SV53 @ ( powerset @ SV13 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[794]) ).

thf(814,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ( ~ ( element @ SV14 @ ( powerset @ SV39 ) ) )
        = $true )
      | ( ( subset @ SV14 @ SV39 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[795]) ).

thf(815,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ( ~ ( subset @ SV14 @ SV39 ) )
        = $true )
      | ( ( element @ SV14 @ ( powerset @ SV39 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[796]) ).

thf(816,plain,
    ! [SV16: $i,SV59: $i] :
      ( ( ( element @ SV59 @ ( powerset @ ( the_carrier @ SV16 ) ) )
        = $false )
      | ( ( ( subset_intersection2 @ ( the_carrier @ SV16 ) @ SV59 @ ( cast_as_carrier_subset @ SV16 ) )
          = SV59 )
        = $true )
      | ( ( one_sorted_str @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[797]) ).

thf(817,plain,
    ! [SV54: $i,SV19: $i,SV41: $i] :
      ( ( ( ~ ( element @ SV41 @ ( powerset @ SV19 ) )
          | ~ ( element @ SV54 @ ( powerset @ SV19 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[798]) ).

thf(818,plain,
    ! [SV55: $i,SV43: $i,SV21: $i] :
      ( ( ( ~ ( in @ SV21 @ SV43 )
          | ~ ( element @ SV43 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( element @ SV21 @ SV55 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[799]) ).

thf(819,plain,
    ! [SV56: $i,SV23: $i,SV44: $i] :
      ( ( ( ~ ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
              | ~ ( in @ SV44 @ SV56 ) ) )
        = $false )
      | ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[800]) ).

thf(820,plain,
    ! [SV24: $i,SV60: $i] :
      ( ( ( element @ SV60 @ ( powerset @ SV24 ) )
        = $false )
      | ( ( v1_membered @ SV60 )
        = $true )
      | ( ( v1_membered @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[801]) ).

thf(821,plain,
    ! [SV25: $i,SV45: $i] :
      ( ( ( ~ ( in @ ( sK7_SY109 @ SV45 @ SV25 ) @ SV25 ) )
        = $false )
      | ( ( element @ SV25 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[802]) ).

thf(822,plain,
    ! [SV25: $i,SV45: $i] :
      ( ( ( in @ ( sK7_SY109 @ SV45 @ SV25 ) @ SV45 )
        = $false )
      | ( ( element @ SV25 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[802]) ).

thf(823,plain,
    ! [SV28: $i,SV48: $i,SV61: $i] :
      ( ( ( ~ ( in @ SV61 @ SV48 ) )
        = $true )
      | ( ( in @ SV61 @ SV28 )
        = $true )
      | ( ( element @ SV48 @ ( powerset @ SV28 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[803]) ).

thf(824,plain,
    ! [SV30: $i] :
      ( ( ( ~ ~ ( ~ ( element @ ( sK8_SY100 @ SV30 ) @ ( powerset @ SV30 ) )
                | ~ ~ ( empty @ ( sK8_SY100 @ SV30 ) ) ) )
        = $false )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[804]) ).

thf(825,plain,
    ! [SV57: $i,SV31: $i,SV50: $i] :
      ( ( ( ~ ( element @ SV50 @ ( powerset @ SV31 ) )
          | ~ ( element @ SV57 @ ( powerset @ SV31 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[805]) ).

thf(826,plain,
    ! [SV4: $i] :
      ( ( element @ ( sK5_SY70 @ SV4 ) @ ( powerset @ SV4 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[806]) ).

thf(827,plain,
    ! [SV4: $i] :
      ( ( empty @ ( sK5_SY70 @ SV4 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[807]) ).

thf(828,plain,
    ( ( empty_carrier @ sK2_SX0 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[809]) ).

thf(829,plain,
    ! [SV51: $i,SV7: $i,SV35: $i] :
      ( ( ( ~ ( element @ SV35 @ ( powerset @ SV7 ) ) )
        = $true )
      | ( ( ~ ( element @ SV51 @ ( powerset @ SV7 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[810]) ).

thf(830,plain,
    ! [SV52: $i,SV11: $i,SV37: $i] :
      ( ( ( ~ ( element @ SV37 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( ~ ( element @ SV52 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[812]) ).

thf(831,plain,
    ! [SV53: $i,SV13: $i,SV38: $i] :
      ( ( ( ~ ( element @ SV38 @ ( powerset @ SV13 ) ) )
        = $true )
      | ( ( ~ ( element @ SV53 @ ( powerset @ SV13 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[813]) ).

thf(832,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ( element @ SV14 @ ( powerset @ SV39 ) )
        = $false )
      | ( ( subset @ SV14 @ SV39 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[814]) ).

thf(833,plain,
    ! [SV39: $i,SV14: $i] :
      ( ( ( subset @ SV14 @ SV39 )
        = $false )
      | ( ( element @ SV14 @ ( powerset @ SV39 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[815]) ).

thf(834,plain,
    ! [SV54: $i,SV19: $i,SV41: $i] :
      ( ( ( ~ ( element @ SV41 @ ( powerset @ SV19 ) ) )
        = $true )
      | ( ( ~ ( element @ SV54 @ ( powerset @ SV19 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[817]) ).

thf(835,plain,
    ! [SV55: $i,SV43: $i,SV21: $i] :
      ( ( ( ~ ( in @ SV21 @ SV43 ) )
        = $true )
      | ( ( ~ ( element @ SV43 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( element @ SV21 @ SV55 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[818]) ).

thf(836,plain,
    ! [SV56: $i,SV23: $i,SV44: $i] :
      ( ( ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
          | ~ ( in @ SV44 @ SV56 ) )
        = $true )
      | ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[819]) ).

thf(837,plain,
    ! [SV25: $i,SV45: $i] :
      ( ( ( in @ ( sK7_SY109 @ SV45 @ SV25 ) @ SV25 )
        = $true )
      | ( ( element @ SV25 @ ( powerset @ SV45 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[821]) ).

thf(838,plain,
    ! [SV28: $i,SV48: $i,SV61: $i] :
      ( ( ( in @ SV61 @ SV48 )
        = $false )
      | ( ( in @ SV61 @ SV28 )
        = $true )
      | ( ( element @ SV48 @ ( powerset @ SV28 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[823]) ).

thf(839,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( ~ ( element @ ( sK8_SY100 @ SV30 ) @ ( powerset @ SV30 ) )
              | ~ ~ ( empty @ ( sK8_SY100 @ SV30 ) ) ) )
        = $true )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[824]) ).

thf(840,plain,
    ! [SV57: $i,SV31: $i,SV50: $i] :
      ( ( ( ~ ( element @ SV50 @ ( powerset @ SV31 ) ) )
        = $true )
      | ( ( ~ ( element @ SV57 @ ( powerset @ SV31 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[825]) ).

thf(841,plain,
    ! [SV51: $i,SV7: $i,SV35: $i] :
      ( ( ( element @ SV35 @ ( powerset @ SV7 ) )
        = $false )
      | ( ( ~ ( element @ SV51 @ ( powerset @ SV7 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[829]) ).

thf(842,plain,
    ! [SV52: $i,SV11: $i,SV37: $i] :
      ( ( ( element @ SV37 @ ( powerset @ SV11 ) )
        = $false )
      | ( ( ~ ( element @ SV52 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[830]) ).

thf(843,plain,
    ! [SV53: $i,SV13: $i,SV38: $i] :
      ( ( ( element @ SV38 @ ( powerset @ SV13 ) )
        = $false )
      | ( ( ~ ( element @ SV53 @ ( powerset @ SV13 ) ) )
        = $true )
      | ( ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[831]) ).

thf(844,plain,
    ! [SV54: $i,SV19: $i,SV41: $i] :
      ( ( ( element @ SV41 @ ( powerset @ SV19 ) )
        = $false )
      | ( ( ~ ( element @ SV54 @ ( powerset @ SV19 ) ) )
        = $true )
      | ( ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[834]) ).

thf(845,plain,
    ! [SV55: $i,SV43: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV43 )
        = $false )
      | ( ( ~ ( element @ SV43 @ ( powerset @ SV55 ) ) )
        = $true )
      | ( ( element @ SV21 @ SV55 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[835]) ).

thf(846,plain,
    ! [SV56: $i,SV23: $i,SV44: $i] :
      ( ( ( ~ ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) ) )
        = $true )
      | ( ( ~ ( in @ SV44 @ SV56 ) )
        = $true )
      | ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[836]) ).

thf(847,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( element @ ( sK8_SY100 @ SV30 ) @ ( powerset @ SV30 ) )
          | ~ ~ ( empty @ ( sK8_SY100 @ SV30 ) ) )
        = $false )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[839]) ).

thf(848,plain,
    ! [SV57: $i,SV31: $i,SV50: $i] :
      ( ( ( element @ SV50 @ ( powerset @ SV31 ) )
        = $false )
      | ( ( ~ ( element @ SV57 @ ( powerset @ SV31 ) ) )
        = $true )
      | ( ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[840]) ).

thf(849,plain,
    ! [SV35: $i,SV7: $i,SV51: $i] :
      ( ( ( element @ SV51 @ ( powerset @ SV7 ) )
        = $false )
      | ( ( element @ SV35 @ ( powerset @ SV7 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV7 @ SV35 @ SV51 )
          = ( subset_intersection2 @ SV7 @ SV51 @ SV35 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[841]) ).

thf(850,plain,
    ! [SV37: $i,SV11: $i,SV52: $i] :
      ( ( ( element @ SV52 @ ( powerset @ SV11 ) )
        = $false )
      | ( ( element @ SV37 @ ( powerset @ SV11 ) )
        = $false )
      | ( ( element @ ( subset_intersection2 @ SV11 @ SV37 @ SV52 ) @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[842]) ).

thf(851,plain,
    ! [SV38: $i,SV13: $i,SV53: $i] :
      ( ( ( element @ SV53 @ ( powerset @ SV13 ) )
        = $false )
      | ( ( element @ SV38 @ ( powerset @ SV13 ) )
        = $false )
      | ( ( element @ ( subset_difference @ SV13 @ SV38 @ SV53 ) @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[843]) ).

thf(852,plain,
    ! [SV41: $i,SV19: $i,SV54: $i] :
      ( ( ( element @ SV54 @ ( powerset @ SV19 ) )
        = $false )
      | ( ( element @ SV41 @ ( powerset @ SV19 ) )
        = $false )
      | ( ( ( subset_intersection2 @ SV19 @ SV41 @ SV41 )
          = SV41 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[844]) ).

thf(853,plain,
    ! [SV21: $i,SV55: $i,SV43: $i] :
      ( ( ( element @ SV43 @ ( powerset @ SV55 ) )
        = $false )
      | ( ( in @ SV21 @ SV43 )
        = $false )
      | ( ( element @ SV21 @ SV55 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[845]) ).

thf(854,plain,
    ! [SV56: $i,SV23: $i,SV44: $i] :
      ( ( ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
        = $false )
      | ( ( ~ ( in @ SV44 @ SV56 ) )
        = $true )
      | ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[846]) ).

thf(855,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( element @ ( sK8_SY100 @ SV30 ) @ ( powerset @ SV30 ) ) )
        = $false )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[847]) ).

thf(856,plain,
    ! [SV30: $i] :
      ( ( ( ~ ~ ( empty @ ( sK8_SY100 @ SV30 ) ) )
        = $false )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[847]) ).

thf(857,plain,
    ! [SV50: $i,SV31: $i,SV57: $i] :
      ( ( ( element @ SV57 @ ( powerset @ SV31 ) )
        = $false )
      | ( ( element @ SV50 @ ( powerset @ SV31 ) )
        = $false )
      | ( ( ( subset_difference @ SV31 @ SV50 @ SV57 )
          = ( set_difference @ SV50 @ SV57 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[848]) ).

thf(858,plain,
    ! [SV23: $i,SV56: $i,SV44: $i] :
      ( ( ( in @ SV44 @ SV56 )
        = $false )
      | ( ( in @ SV44 @ ( subset_complement @ SV23 @ SV56 ) )
        = $false )
      | ( ( element @ SV56 @ ( powerset @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[854]) ).

thf(859,plain,
    ! [SV30: $i] :
      ( ( ( element @ ( sK8_SY100 @ SV30 ) @ ( powerset @ SV30 ) )
        = $true )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[855]) ).

thf(860,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( empty @ ( sK8_SY100 @ SV30 ) ) )
        = $true )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[856]) ).

thf(861,plain,
    ! [SV30: $i] :
      ( ( ( empty @ ( sK8_SY100 @ SV30 ) )
        = $false )
      | ( ( empty @ SV30 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[860]) ).

thf(862,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[575,861,859,858,857,853,852,851,850,849,838,837,833,832,828,827,826,822,820,816,811,808,785,784,782,781,777,775,772,766,764,763,760,757,748,743,742,737,735,695,661,660,626,612,611,610,608,606,600,599,598,597,596,594,593,592,591,589,587,586,585,584,583,582,581,580,579,578,577,576]) ).

thf(863,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[862]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEU308+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/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.17  % Computer : n001.cluster.edu
% 0.10/0.17  % Model    : x86_64 x86_64
% 0.10/0.17  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.17  % Memory   : 8046.5625MB
% 0.10/0.17  % OS       : Linux 6.8.0-71-generic
% 0.10/0.17  % CPULimit : 300
% 0.10/0.17  % WCLimit  : 300
% 0.10/0.17  % DateTime : Tue Oct  6 15:19:11 UTC 2026
% 0.10/0.17  % CPUTime  : 
% 0.10/0.17  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 6.15/1.26  ....
% 6.15/1.26  
% 6.15/1.26   No.of.Axioms: 62
% 6.15/1.26  
% 6.15/1.26   Length.of.Defs: 0
% 6.15/1.26  
% 6.15/1.26   Contains.Choice.Funs: false
% 6.15/1.26  ..............
% 6.15/1.26  
% 6.15/1.26  ********************************
% 6.15/1.26  *   All subproblems solved!    *
% 6.15/1.26  ********************************
% 6.15/1.26  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:63,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:862,loop_count:0,foatp_calls:1,translation:fof_full)
% 6.15/1.26  
% 6.15/1.26  %**** Beginning of derivation protocol ****
% 6.15/1.26  % SZS output start CNFRefutation
% See solution above
% 6.15/1.26  
% 6.15/1.26  %**** End of derivation protocol ****
% 6.15/1.26  %**** no. of clauses in derivation: 431 ****
% 6.15/1.26  %**** clause counter: 862 ****
% 6.15/1.26  
% 6.15/1.26  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:63,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:862,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------