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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU348+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 : n004.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 10:44:04 AM UTC 2026

% Result   : Theorem 7.97s 1.54s
% Output   : CNFRefutation 7.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   40
% Syntax   : Number of formulae    :  296 ( 190 unt;   0 typ;   0 def)
%            Number of atoms       : 1909 ( 537 equ;   0 cnn)
%            Maximal formula atoms :    6 (   6 avg)
%            Number of connectives : 3338 ( 770   ~; 506   |;  58   &;1953   @)
%                                         (  11 <=>;  40  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  165 ( 162 usr;  11 con; 0-6 aty)
%            Number of variables   :  314 (   0   ^; 299   !;  15   ?; 314   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_a_1_0_filter_1,type,
    a_1_0_filter_1: $i > $i ).

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

thf(tp_antisymmetric_relstr,type,
    antisymmetric_relstr: $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_below_refl,type,
    below_refl: $i > $i > $i > $o ).

thf(tp_boole_lattice,type,
    boole_lattice: $i > $i ).

thf(tp_bottom_of_semilattstr,type,
    bottom_of_semilattstr: $i > $i ).

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_el_of_LattPOSet,type,
    cast_to_el_of_LattPOSet: $i > $i > $i ).

thf(tp_cast_to_el_of_lattice,type,
    cast_to_el_of_lattice: $i > $i > $i ).

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

thf(tp_centered,type,
    centered: $i > $o ).

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

thf(tp_closed_subsets,type,
    closed_subsets: $i > $i > $o ).

thf(tp_compact_top_space,type,
    compact_top_space: $i > $o ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(tp_interior,type,
    interior: $i > $i > $i ).

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

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

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

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

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

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

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

thf(tp_join_absorbing,type,
    join_absorbing: $i > $o ).

thf(tp_join_associative,type,
    join_associative: $i > $o ).

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_k10_filter_1,type,
    k10_filter_1: $i > $i > $i > $i > $i ).

thf(tp_k2_lattice3,type,
    k2_lattice3: $i > $i ).

thf(tp_k8_filter_1,type,
    k8_filter_1: $i > $i > $i ).

thf(tp_latt_set_smaller,type,
    latt_set_smaller: $i > $i > $i > $o ).

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

thf(tp_latt_str_of,type,
    latt_str_of: $i > $i > $i > $i ).

thf(tp_lattice,type,
    lattice: $i > $o ).

thf(tp_lower_bounded_semilattstr,type,
    lower_bounded_semilattstr: $i > $o ).

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

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

thf(tp_meet_associative,type,
    meet_associative: $i > $o ).

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

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

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

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

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

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

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

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

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

thf(tp_open_subsets,type,
    open_subsets: $i > $i > $o ).

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

thf(tp_ordered_pair_as_product_element,type,
    ordered_pair_as_product_element: $i > $i > $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_point_neighbourhood,type,
    point_neighbourhood: $i > $i > $i > $o ).

thf(tp_poset_of_lattice,type,
    poset_of_lattice: $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_reflexive_relstr,type,
    reflexive_relstr: $i > $o ).

thf(tp_rel_str,type,
    rel_str: $i > $o ).

thf(tp_rel_str_of,type,
    rel_str_of: $i > $i > $i ).

thf(tp_related,type,
    related: $i > $i > $i > $o ).

thf(tp_related_reflexive,type,
    related_reflexive: $i > $i > $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_of_lattice,type,
    relation_of_lattice: $i > $i ).

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_relstr_element_smaller,type,
    relstr_element_smaller: $i > $i > $i > $o ).

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

thf(tp_sK2_SY22,type,
    sK2_SY22: $i ).

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

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

thf(tp_sK5_SX0,type,
    sK5_SX0: $i ).

thf(tp_sK6_SX0,type,
    sK6_SX0: $i ).

thf(tp_sK7_SX0,type,
    sK7_SX0: $i ).

thf(tp_sK8_SY29,type,
    sK8_SY29: $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_strict_latt_str,type,
    strict_latt_str: $i > $o ).

thf(tp_strict_rel_str,type,
    strict_rel_str: $i > $o ).

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_subset_union2,type,
    subset_union2: $i > $i > $i > $i ).

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

thf(tp_the_InternalRel,type,
    the_InternalRel: $i > $i ).

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

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

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

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

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

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

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

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

thf(tp_transitive_relstr,type,
    transitive_relstr: $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_binop_1,type,
    v1_binop_1: $i > $i > $o ).

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

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

thf(tp_v1_partfun1,type,
    v1_partfun1: $i > $i > $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_binop_1,type,
    v2_binop_1: $i > $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(14,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_subset) ).

thf(60,axiom,
    ? [A: $i] :
      ( ( latt_str @ A )
      & ~ ( empty_carrier @ A )
      & ( strict_latt_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc6_lattices) ).

thf(64,axiom,
    ? [A: $i] :
      ( ( one_sorted_str @ A )
      & ~ ( empty_carrier @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc3_struct_0) ).

thf(67,axiom,
    ? [A: $i] :
      ( ( latt_str @ A )
      & ( strict_latt_str @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc3_lattices) ).

thf(178,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(181,axiom,
    ? [A: $i] : ( latt_str @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_l3_lattices) ).

thf(188,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_u1_struct_0) ).

thf(193,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(194,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_relset_1) ).

thf(198,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_l1_struct_0) ).

thf(202,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k9_relat_1) ).

thf(216,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_ordinal2) ).

thf(218,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( lattice @ A )
        & ( latt_str @ A )
        & ( element @ B @ ( the_carrier @ ( poset_of_lattice @ A ) ) ) )
     => ( element @ ( cast_to_el_of_lattice @ A @ B ) @ ( the_carrier @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k5_lattice3) ).

thf(219,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_xboole_0) ).

thf(220,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_tarski) ).

thf(225,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( lattice @ A )
        & ( latt_str @ A )
        & ( element @ B @ ( the_carrier @ A ) ) )
     => ( element @ ( cast_to_el_of_LattPOSet @ A @ B ) @ ( the_carrier @ ( poset_of_lattice @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_lattice3) ).

thf(226,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(227,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_tarski) ).

thf(229,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_relat_1) ).

thf(232,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_zfmisc_1) ).

thf(233,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_xboole_0) ).

thf(235,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(237,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_relat_1) ).

thf(239,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_mcart_1) ).

thf(244,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_zfmisc_1) ).

thf(245,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(247,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_wellord1) ).

thf(249,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(250,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_setfam_1) ).

thf(251,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_relat_1) ).

thf(253,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_ordinal1) ).

thf(254,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_mcart_1) ).

thf(257,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_funct_1) ).

thf(258,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_enumset1) ).

thf(260,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_binop_1) ).

thf(261,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k10_relat_1) ).

thf(302,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( lattice @ A )
        & ( latt_str @ A ) )
     => ! [B: $i] :
          ( ( element @ B @ ( the_carrier @ ( poset_of_lattice @ A ) ) )
         => ( ( cast_to_el_of_lattice @ A @ B )
            = B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_lattice3) ).

thf(311,axiom,
    ! [A: $i] :
      ( ( ~ ( empty_carrier @ A )
        & ( lattice @ A )
        & ( latt_str @ A ) )
     => ! [B: $i] :
          ( ( element @ B @ ( the_carrier @ A ) )
         => ( ( cast_to_el_of_LattPOSet @ A @ B )
            = B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_lattice3) ).

thf(510,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty_carrier @ B )
        & ( lattice @ B )
        & ( latt_str @ B ) )
     => ! [C: $i] :
          ( ( element @ C @ ( the_carrier @ B ) )
         => ( ( latt_set_smaller @ B @ C @ A )
          <=> ( relstr_element_smaller @ ( poset_of_lattice @ B ) @ A @ ( cast_to_el_of_LattPOSet @ B @ C ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t28_lattice3) ).

thf(636,conjecture,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty_carrier @ B )
        & ( lattice @ B )
        & ( latt_str @ B ) )
     => ! [C: $i] :
          ( ( element @ C @ ( the_carrier @ ( poset_of_lattice @ B ) ) )
         => ( ( relstr_element_smaller @ ( poset_of_lattice @ B ) @ A @ C )
          <=> ( latt_set_smaller @ B @ ( cast_to_el_of_lattice @ B @ C ) @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t29_lattice3) ).

thf(637,negated_conjecture,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ B )
            & ( lattice @ B )
            & ( latt_str @ B ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ ( poset_of_lattice @ B ) ) )
             => ( ( relstr_element_smaller @ ( poset_of_lattice @ B ) @ A @ C )
              <=> ( latt_set_smaller @ B @ ( cast_to_el_of_lattice @ B @ C ) @ A ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[636]) ).

thf(638,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ B )
            & ( lattice @ B )
            & ( latt_str @ B ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ ( poset_of_lattice @ B ) ) )
             => ( ( relstr_element_smaller @ ( poset_of_lattice @ B ) @ A @ C )
              <=> ( latt_set_smaller @ B @ ( cast_to_el_of_lattice @ B @ C ) @ A ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[637]) ).

thf(639,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(640,plain,
    ( ( ? [A: $i] :
          ( ( latt_str @ A )
          & ~ ( empty_carrier @ A )
          & ( strict_latt_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(641,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[64]) ).

thf(642,plain,
    ( ( ? [A: $i] :
          ( ( latt_str @ A )
          & ( strict_latt_str @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[67]) ).

thf(643,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(644,plain,
    ( ( ? [A: $i] : ( latt_str @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[181]) ).

thf(645,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[188]) ).

thf(646,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[193]) ).

thf(647,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[194]) ).

thf(648,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[198]) ).

thf(649,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[202]) ).

thf(650,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[216]) ).

thf(651,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A )
            & ( element @ B @ ( the_carrier @ ( poset_of_lattice @ A ) ) ) )
         => ( element @ ( cast_to_el_of_lattice @ A @ B ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[218]) ).

thf(652,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[219]) ).

thf(653,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[220]) ).

thf(654,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) ) )
         => ( element @ ( cast_to_el_of_LattPOSet @ A @ B ) @ ( the_carrier @ ( poset_of_lattice @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[225]) ).

thf(655,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[226]) ).

thf(656,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[227]) ).

thf(657,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[229]) ).

thf(658,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[232]) ).

thf(659,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[233]) ).

thf(660,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[235]) ).

thf(661,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[237]) ).

thf(662,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[239]) ).

thf(663,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[244]) ).

thf(664,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[245]) ).

thf(665,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[247]) ).

thf(666,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[249]) ).

thf(667,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[250]) ).

thf(668,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[251]) ).

thf(669,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[253]) ).

thf(670,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[254]) ).

thf(671,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[257]) ).

thf(672,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[258]) ).

thf(673,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[260]) ).

thf(674,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[261]) ).

thf(675,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ ( poset_of_lattice @ A ) ) )
             => ( ( cast_to_el_of_lattice @ A @ B )
                = B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[302]) ).

thf(676,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ A ) )
             => ( ( cast_to_el_of_LattPOSet @ A @ B )
                = B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[311]) ).

thf(677,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ B )
            & ( lattice @ B )
            & ( latt_str @ B ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ B ) )
             => ( ( latt_set_smaller @ B @ C @ A )
              <=> ( relstr_element_smaller @ ( poset_of_lattice @ B ) @ A @ ( cast_to_el_of_LattPOSet @ B @ C ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[510]) ).

thf(678,plain,
    ( ( ! [SY22: $i] :
          ( ( ~ ( empty_carrier @ SY22 )
            & ( lattice @ SY22 )
            & ( latt_str @ SY22 ) )
         => ! [SY23: $i] :
              ( ( element @ SY23 @ ( the_carrier @ ( poset_of_lattice @ SY22 ) ) )
             => ( ( relstr_element_smaller @ ( poset_of_lattice @ SY22 ) @ sK1_A @ SY23 )
              <=> ( latt_set_smaller @ SY22 @ ( cast_to_el_of_lattice @ SY22 @ SY23 ) @ sK1_A ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[638]) ).

thf(679,plain,
    ( ( ( ~ ( empty_carrier @ sK2_SY22 )
        & ( lattice @ sK2_SY22 )
        & ( latt_str @ sK2_SY22 ) )
     => ! [SY24: $i] :
          ( ( element @ SY24 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
         => ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SY24 )
          <=> ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SY24 ) @ sK1_A ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[678]) ).

thf(680,plain,
    ( ( ~ ( empty_carrier @ sK2_SY22 ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[679]) ).

thf(681,plain,
    ( ( lattice @ sK2_SY22 )
    = $true ),
    inference(standard_cnf,[status(thm)],[679]) ).

thf(682,plain,
    ( ( latt_str @ sK2_SY22 )
    = $true ),
    inference(standard_cnf,[status(thm)],[679]) ).

thf(683,plain,
    ( ( ! [SY24: $i] :
          ( ( element @ SY24 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
         => ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SY24 )
          <=> ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SY24 ) @ sK1_A ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[679]) ).

thf(684,plain,
    ( ( ~ ! [SY24: $i] :
            ( ( element @ SY24 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
           => ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SY24 )
            <=> ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SY24 ) @ sK1_A ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[683]) ).

thf(685,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ B )
            & ( lattice @ B )
            & ( latt_str @ B ) )
         => ! [C: $i] :
              ( ( element @ C @ ( the_carrier @ B ) )
             => ( ( latt_set_smaller @ B @ C @ A )
              <=> ( relstr_element_smaller @ ( poset_of_lattice @ B ) @ A @ ( cast_to_el_of_LattPOSet @ B @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[677]) ).

thf(686,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ A ) )
             => ( ( cast_to_el_of_LattPOSet @ A @ B )
                = B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[676]) ).

thf(687,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A ) )
         => ! [B: $i] :
              ( ( element @ B @ ( the_carrier @ ( poset_of_lattice @ A ) ) )
             => ( ( cast_to_el_of_lattice @ A @ B )
                = B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[675]) ).

thf(688,plain,
    $true = $true,
    inference(copy,[status(thm)],[674]) ).

thf(689,plain,
    $true = $true,
    inference(copy,[status(thm)],[673]) ).

thf(690,plain,
    $true = $true,
    inference(copy,[status(thm)],[672]) ).

thf(691,plain,
    $true = $true,
    inference(copy,[status(thm)],[671]) ).

thf(692,plain,
    $true = $true,
    inference(copy,[status(thm)],[670]) ).

thf(693,plain,
    $true = $true,
    inference(copy,[status(thm)],[669]) ).

thf(694,plain,
    $true = $true,
    inference(copy,[status(thm)],[668]) ).

thf(695,plain,
    $true = $true,
    inference(copy,[status(thm)],[667]) ).

thf(696,plain,
    $true = $true,
    inference(copy,[status(thm)],[666]) ).

thf(697,plain,
    $true = $true,
    inference(copy,[status(thm)],[665]) ).

thf(698,plain,
    $true = $true,
    inference(copy,[status(thm)],[664]) ).

thf(699,plain,
    $true = $true,
    inference(copy,[status(thm)],[663]) ).

thf(700,plain,
    $true = $true,
    inference(copy,[status(thm)],[662]) ).

thf(701,plain,
    $true = $true,
    inference(copy,[status(thm)],[661]) ).

thf(702,plain,
    $true = $true,
    inference(copy,[status(thm)],[660]) ).

thf(703,plain,
    $true = $true,
    inference(copy,[status(thm)],[659]) ).

thf(704,plain,
    $true = $true,
    inference(copy,[status(thm)],[658]) ).

thf(705,plain,
    $true = $true,
    inference(copy,[status(thm)],[657]) ).

thf(706,plain,
    $true = $true,
    inference(copy,[status(thm)],[656]) ).

thf(707,plain,
    $true = $true,
    inference(copy,[status(thm)],[655]) ).

thf(708,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A )
            & ( element @ B @ ( the_carrier @ A ) ) )
         => ( element @ ( cast_to_el_of_LattPOSet @ A @ B ) @ ( the_carrier @ ( poset_of_lattice @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[654]) ).

thf(709,plain,
    $true = $true,
    inference(copy,[status(thm)],[653]) ).

thf(710,plain,
    $true = $true,
    inference(copy,[status(thm)],[652]) ).

thf(711,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ~ ( empty_carrier @ A )
            & ( lattice @ A )
            & ( latt_str @ A )
            & ( element @ B @ ( the_carrier @ ( poset_of_lattice @ A ) ) ) )
         => ( element @ ( cast_to_el_of_lattice @ A @ B ) @ ( the_carrier @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[651]) ).

thf(712,plain,
    $true = $true,
    inference(copy,[status(thm)],[650]) ).

thf(713,plain,
    $true = $true,
    inference(copy,[status(thm)],[649]) ).

thf(714,plain,
    $true = $true,
    inference(copy,[status(thm)],[648]) ).

thf(715,plain,
    $true = $true,
    inference(copy,[status(thm)],[647]) ).

thf(716,plain,
    $true = $true,
    inference(copy,[status(thm)],[646]) ).

thf(717,plain,
    $true = $true,
    inference(copy,[status(thm)],[645]) ).

thf(718,plain,
    ( ( ? [A: $i] : ( latt_str @ A ) )
    = $true ),
    inference(copy,[status(thm)],[644]) ).

thf(719,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(copy,[status(thm)],[643]) ).

thf(720,plain,
    ( ( ? [A: $i] :
          ( ( latt_str @ A )
          & ( strict_latt_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[642]) ).

thf(721,plain,
    ( ( ? [A: $i] :
          ( ( one_sorted_str @ A )
          & ~ ( empty_carrier @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[641]) ).

thf(722,plain,
    ( ( ? [A: $i] :
          ( ( latt_str @ A )
          & ~ ( empty_carrier @ A )
          & ( strict_latt_str @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[640]) ).

thf(723,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[639]) ).

thf(724,plain,
    ( ( latt_str @ sK2_SY22 )
    = $true ),
    inference(copy,[status(thm)],[682]) ).

thf(725,plain,
    ( ( lattice @ sK2_SY22 )
    = $true ),
    inference(copy,[status(thm)],[681]) ).

thf(726,plain,
    ( ( ~ ( empty_carrier @ sK2_SY22 ) )
    = $true ),
    inference(copy,[status(thm)],[680]) ).

thf(727,plain,
    ( ( ~ ! [SY24: $i] :
            ( ( element @ SY24 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
           => ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SY24 )
            <=> ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SY24 ) @ sK1_A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[684]) ).

thf(728,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ~ ( ~ ( latt_str @ SX0 )
                      | ~ ~ ( empty_carrier @ SX0 ) )
                | ~ ( strict_latt_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[722]) ).

thf(729,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                            | ~ ( lattice @ SX0 ) )
                      | ~ ( latt_str @ SX0 ) )
                | ~ ( element @ SX1 @ ( the_carrier @ ( poset_of_lattice @ SX0 ) ) ) )
          | ( element @ ( cast_to_el_of_lattice @ SX0 @ SX1 ) @ ( the_carrier @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[711]) ).

thf(730,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ( latt_str @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[718]) ).

thf(731,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                            | ~ ( lattice @ SX0 ) )
                      | ~ ( latt_str @ SX0 ) )
                | ~ ( element @ SX1 @ ( the_carrier @ SX0 ) ) )
          | ( element @ ( cast_to_el_of_LattPOSet @ SX0 @ SX1 ) @ ( the_carrier @ ( poset_of_lattice @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[708]) ).

thf(732,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ( element @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[723]) ).

thf(733,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( one_sorted_str @ SX0 )
                | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[721]) ).

thf(734,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( latt_str @ SX0 )
                | ~ ( strict_latt_str @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[720]) ).

thf(735,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                      | ~ ( lattice @ SX0 ) )
                | ~ ( latt_str @ SX0 ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( the_carrier @ ( poset_of_lattice @ SX0 ) ) )
              | ( ( cast_to_el_of_lattice @ SX0 @ SX1 )
                = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[687]) ).

thf(736,plain,
    ( ( ! [SX0: $i] :
          ~ ! [SX1: $i] :
              ~ ( element @ SX1 @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[719]) ).

thf(737,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX1 )
                      | ~ ( lattice @ SX1 ) )
                | ~ ( latt_str @ SX1 ) )
          | ! [SX2: $i] :
              ( ~ ( element @ SX2 @ ( the_carrier @ SX1 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SX1 @ SX2 @ SX0 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SX1 ) @ SX0 @ ( cast_to_el_of_LattPOSet @ SX1 @ SX2 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SX1 ) @ SX0 @ ( cast_to_el_of_LattPOSet @ SX1 @ SX2 ) )
                      | ( latt_set_smaller @ SX1 @ SX2 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[685]) ).

thf(738,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( element @ SX0 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
            | ~ ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SX0 )
                    | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SX0 ) @ sK1_A ) )
                | ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SX0 ) @ sK1_A )
                    | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[727]) ).

thf(739,plain,
    ( ( ! [SX0: $i] :
          ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SX0 )
                      | ~ ( lattice @ SX0 ) )
                | ~ ( latt_str @ SX0 ) )
          | ! [SX1: $i] :
              ( ~ ( element @ SX1 @ ( the_carrier @ SX0 ) )
              | ( ( cast_to_el_of_LattPOSet @ SX0 @ SX1 )
                = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[686]) ).

thf(740,plain,
    ( ( empty_carrier @ sK2_SY22 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[726]) ).

thf(741,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ~ ( ~ ( latt_str @ SX0 )
                    | ~ ~ ( empty_carrier @ SX0 ) )
              | ~ ( strict_latt_str @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[728]) ).

thf(742,plain,
    ! [SV1: $i] :
      ( ( ! [SY25: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                              | ~ ( lattice @ SV1 ) )
                        | ~ ( latt_str @ SV1 ) )
                  | ~ ( element @ SY25 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
            | ( element @ ( cast_to_el_of_lattice @ SV1 @ SY25 ) @ ( the_carrier @ SV1 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[729]) ).

thf(743,plain,
    ( ( ! [SX0: $i] :
          ~ ( latt_str @ SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[730]) ).

thf(744,plain,
    ! [SV2: $i] :
      ( ( ! [SY26: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                              | ~ ( lattice @ SV2 ) )
                        | ~ ( latt_str @ SV2 ) )
                  | ~ ( element @ SY26 @ ( the_carrier @ SV2 ) ) )
            | ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SY26 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[731]) ).

thf(745,plain,
    ! [SV3: $i] :
      ( ( ! [SY27: $i] :
            ( ~ ( in @ SV3 @ SY27 )
            | ( element @ SV3 @ SY27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[732]) ).

thf(746,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( one_sorted_str @ SX0 )
              | ~ ~ ( empty_carrier @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[733]) ).

thf(747,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( latt_str @ SX0 )
              | ~ ( strict_latt_str @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[734]) ).

thf(748,plain,
    ! [SV4: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV4 )
                    | ~ ( lattice @ SV4 ) )
              | ~ ( latt_str @ SV4 ) )
        | ! [SY28: $i] :
            ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
            | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
              = SY28 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[735]) ).

thf(749,plain,
    ! [SV5: $i] :
      ( ( ~ ! [SY29: $i] :
              ~ ( element @ SY29 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[736]) ).

thf(750,plain,
    ! [SV6: $i] :
      ( ( ! [SY30: $i] :
            ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SY30 )
                        | ~ ( lattice @ SY30 ) )
                  | ~ ( latt_str @ SY30 ) )
            | ! [SY31: $i] :
                ( ~ ( element @ SY31 @ ( the_carrier @ SY30 ) )
                | ~ ( ~ ( ~ ( latt_set_smaller @ SY30 @ SY31 @ SV6 )
                        | ( relstr_element_smaller @ ( poset_of_lattice @ SY30 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SY30 @ SY31 ) ) )
                    | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SY30 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SY30 @ SY31 ) )
                        | ( latt_set_smaller @ SY30 @ SY31 @ SV6 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[737]) ).

thf(751,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( element @ SX0 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
          | ~ ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SX0 )
                  | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SX0 ) @ sK1_A ) )
              | ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ SX0 ) @ sK1_A )
                  | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[738]) ).

thf(752,plain,
    ! [SV7: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV7 )
                    | ~ ( lattice @ SV7 ) )
              | ~ ( latt_str @ SV7 ) )
        | ! [SY32: $i] :
            ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
            | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
              = SY32 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[739]) ).

thf(753,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( latt_str @ sK3_SX0 )
                  | ~ ~ ( empty_carrier @ sK3_SX0 ) )
            | ~ ( strict_latt_str @ sK3_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[741]) ).

thf(754,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                          | ~ ( lattice @ SV1 ) )
                    | ~ ( latt_str @ SV1 ) )
              | ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        | ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[742]) ).

thf(755,plain,
    ( ( ~ ( latt_str @ sK4_SX0 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[743]) ).

thf(756,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                          | ~ ( lattice @ SV2 ) )
                    | ~ ( latt_str @ SV2 ) )
              | ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        | ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[744]) ).

thf(757,plain,
    ! [SV10: $i,SV3: $i] :
      ( ( ~ ( in @ SV3 @ SV10 )
        | ( element @ SV3 @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[745]) ).

thf(758,plain,
    ( ( ~ ~ ( ~ ( one_sorted_str @ sK5_SX0 )
            | ~ ~ ( empty_carrier @ sK5_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[746]) ).

thf(759,plain,
    ( ( ~ ~ ( ~ ( latt_str @ sK6_SX0 )
            | ~ ( strict_latt_str @ sK6_SX0 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[747]) ).

thf(760,plain,
    ! [SV4: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV4 )
                      | ~ ( lattice @ SV4 ) )
                | ~ ( latt_str @ SV4 ) ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[748]) ).

thf(761,plain,
    ! [SV5: $i] :
      ( ( ! [SY29: $i] :
            ~ ( element @ SY29 @ SV5 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[749]) ).

thf(762,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV11 )
                    | ~ ( lattice @ SV11 ) )
              | ~ ( latt_str @ SV11 ) )
        | ! [SY33: $i] :
            ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
            | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                    | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                    | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[750]) ).

thf(763,plain,
    ( ( ~ ( element @ sK7_SX0 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
      | ~ ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
              | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) )
          | ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
              | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[751]) ).

thf(764,plain,
    ! [SV7: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV7 )
                      | ~ ( lattice @ SV7 ) )
                | ~ ( latt_str @ SV7 ) ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[752]) ).

thf(765,plain,
    ( ( ~ ( ~ ~ ( ~ ( latt_str @ sK3_SX0 )
                | ~ ~ ( empty_carrier @ sK3_SX0 ) )
          | ~ ( strict_latt_str @ sK3_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[753]) ).

thf(766,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                            | ~ ( lattice @ SV1 ) )
                      | ~ ( latt_str @ SV1 ) )
                | ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[754]) ).

thf(767,plain,
    ( ( latt_str @ sK4_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[755]) ).

thf(768,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                            | ~ ( lattice @ SV2 ) )
                      | ~ ( latt_str @ SV2 ) )
                | ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[756]) ).

thf(769,plain,
    ! [SV10: $i,SV3: $i] :
      ( ( ( ~ ( in @ SV3 @ SV10 ) )
        = $true )
      | ( ( element @ SV3 @ SV10 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[757]) ).

thf(770,plain,
    ( ( ~ ( ~ ( one_sorted_str @ sK5_SX0 )
          | ~ ~ ( empty_carrier @ sK5_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[758]) ).

thf(771,plain,
    ( ( ~ ( ~ ( latt_str @ sK6_SX0 )
          | ~ ( strict_latt_str @ sK6_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[759]) ).

thf(772,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV4 )
                    | ~ ( lattice @ SV4 ) )
              | ~ ( latt_str @ SV4 ) ) )
        = $false )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[760]) ).

thf(773,plain,
    ! [SV5: $i] :
      ( ( ~ ( element @ ( sK8_SY29 @ SV5 ) @ SV5 ) )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[761]) ).

thf(774,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV11 )
                      | ~ ( lattice @ SV11 ) )
                | ~ ( latt_str @ SV11 ) ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[762]) ).

thf(775,plain,
    ( ( ~ ( element @ sK7_SX0 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[763]) ).

thf(776,plain,
    ( ( ~ ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
              | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) )
          | ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
              | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[763]) ).

thf(777,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV7 )
                    | ~ ( lattice @ SV7 ) )
              | ~ ( latt_str @ SV7 ) ) )
        = $false )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[764]) ).

thf(778,plain,
    ( ( ~ ~ ( ~ ( latt_str @ sK3_SX0 )
            | ~ ~ ( empty_carrier @ sK3_SX0 ) )
      | ~ ( strict_latt_str @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[765]) ).

thf(779,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                          | ~ ( lattice @ SV1 ) )
                    | ~ ( latt_str @ SV1 ) )
              | ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) ) )
        = $false )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[766]) ).

thf(780,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                          | ~ ( lattice @ SV2 ) )
                    | ~ ( latt_str @ SV2 ) )
              | ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) ) )
        = $false )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[768]) ).

thf(781,plain,
    ! [SV10: $i,SV3: $i] :
      ( ( ( in @ SV3 @ SV10 )
        = $false )
      | ( ( element @ SV3 @ SV10 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[769]) ).

thf(782,plain,
    ( ( ~ ( one_sorted_str @ sK5_SX0 )
      | ~ ~ ( empty_carrier @ sK5_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[770]) ).

thf(783,plain,
    ( ( ~ ( latt_str @ sK6_SX0 )
      | ~ ( strict_latt_str @ sK6_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[771]) ).

thf(784,plain,
    ! [SV4: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV4 )
                | ~ ( lattice @ SV4 ) )
          | ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[772]) ).

thf(785,plain,
    ! [SV5: $i] :
      ( ( element @ ( sK8_SY29 @ SV5 ) @ SV5 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[773]) ).

thf(786,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV11 )
                    | ~ ( lattice @ SV11 ) )
              | ~ ( latt_str @ SV11 ) ) )
        = $false )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[774]) ).

thf(787,plain,
    ( ( element @ sK7_SX0 @ ( the_carrier @ ( poset_of_lattice @ sK2_SY22 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[775]) ).

thf(788,plain,
    ( ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
          | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) )
      | ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
          | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[776]) ).

thf(789,plain,
    ! [SV7: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV7 )
                | ~ ( lattice @ SV7 ) )
          | ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[777]) ).

thf(790,plain,
    ( ( ~ ~ ( ~ ( latt_str @ sK3_SX0 )
            | ~ ~ ( empty_carrier @ sK3_SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[778]) ).

thf(791,plain,
    ( ( ~ ( strict_latt_str @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[778]) ).

thf(792,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                      | ~ ( lattice @ SV1 ) )
                | ~ ( latt_str @ SV1 ) )
          | ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[779]) ).

thf(793,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                      | ~ ( lattice @ SV2 ) )
                | ~ ( latt_str @ SV2 ) )
          | ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[780]) ).

thf(794,plain,
    ( ( ~ ( one_sorted_str @ sK5_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[782]) ).

thf(795,plain,
    ( ( ~ ~ ( empty_carrier @ sK5_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[782]) ).

thf(796,plain,
    ( ( ~ ( latt_str @ sK6_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[783]) ).

thf(797,plain,
    ( ( ~ ( strict_latt_str @ sK6_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[783]) ).

thf(798,plain,
    ! [SV4: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV4 )
                | ~ ( lattice @ SV4 ) ) )
        = $true )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[784]) ).

thf(799,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV11 )
                | ~ ( lattice @ SV11 ) )
          | ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[786]) ).

thf(800,plain,
    ( ( ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
            | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) ) )
      = $true )
    | ( ( ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
            | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[788]) ).

thf(801,plain,
    ! [SV7: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV7 )
                | ~ ( lattice @ SV7 ) ) )
        = $true )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[789]) ).

thf(802,plain,
    ( ( ~ ( ~ ( latt_str @ sK3_SX0 )
          | ~ ~ ( empty_carrier @ sK3_SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[790]) ).

thf(803,plain,
    ( ( strict_latt_str @ sK3_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[791]) ).

thf(804,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                      | ~ ( lattice @ SV1 ) )
                | ~ ( latt_str @ SV1 ) ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[792]) ).

thf(805,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                      | ~ ( lattice @ SV2 ) )
                | ~ ( latt_str @ SV2 ) ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[793]) ).

thf(806,plain,
    ( ( one_sorted_str @ sK5_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[794]) ).

thf(807,plain,
    ( ( ~ ( empty_carrier @ sK5_SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[795]) ).

thf(808,plain,
    ( ( latt_str @ sK6_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[796]) ).

thf(809,plain,
    ( ( strict_latt_str @ sK6_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[797]) ).

thf(810,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV4 )
              | ~ ( lattice @ SV4 ) ) )
        = $false )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[798]) ).

thf(811,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV11 )
                | ~ ( lattice @ SV11 ) ) )
        = $true )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[799]) ).

thf(812,plain,
    ( ( ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
        | ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) )
      = $false )
    | ( ( ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
            | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[800]) ).

thf(813,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV7 )
              | ~ ( lattice @ SV7 ) ) )
        = $false )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[801]) ).

thf(814,plain,
    ( ( ~ ( latt_str @ sK3_SX0 )
      | ~ ~ ( empty_carrier @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[802]) ).

thf(815,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                    | ~ ( lattice @ SV1 ) )
              | ~ ( latt_str @ SV1 ) ) )
        = $false )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[804]) ).

thf(816,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                    | ~ ( lattice @ SV2 ) )
              | ~ ( latt_str @ SV2 ) ) )
        = $false )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[805]) ).

thf(817,plain,
    ( ( empty_carrier @ sK5_SX0 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[807]) ).

thf(818,plain,
    ! [SV4: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV4 )
          | ~ ( lattice @ SV4 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[810]) ).

thf(819,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV11 )
              | ~ ( lattice @ SV11 ) ) )
        = $false )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[811]) ).

thf(820,plain,
    ( ( ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) )
      = $false )
    | ( ( ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
            | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[812]) ).

thf(821,plain,
    ( ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $false )
    | ( ( ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
            | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[812]) ).

thf(822,plain,
    ! [SV7: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV7 )
          | ~ ( lattice @ SV7 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[813]) ).

thf(823,plain,
    ( ( ~ ( latt_str @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[814]) ).

thf(824,plain,
    ( ( ~ ~ ( empty_carrier @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[814]) ).

thf(825,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                | ~ ( lattice @ SV1 ) )
          | ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[815]) ).

thf(826,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                | ~ ( lattice @ SV2 ) )
          | ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[816]) ).

thf(827,plain,
    ! [SV4: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV4 ) )
        = $true )
      | ( ( ~ ( lattice @ SV4 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[818]) ).

thf(828,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV11 )
          | ~ ( lattice @ SV11 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[819]) ).

thf(829,plain,
    ( ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $true )
    | ( ( ~ ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
            | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) ) )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[820]) ).

thf(830,plain,
    ( ( ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
        | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) )
      = $false )
    | ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[821]) ).

thf(831,plain,
    ! [SV7: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV7 ) )
        = $true )
      | ( ( ~ ( lattice @ SV7 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[822]) ).

thf(832,plain,
    ( ( latt_str @ sK3_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[823]) ).

thf(833,plain,
    ( ( ~ ( empty_carrier @ sK3_SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[824]) ).

thf(834,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV1 )
                | ~ ( lattice @ SV1 ) ) )
        = $true )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[825]) ).

thf(835,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ~ ( empty_carrier @ SV2 )
                | ~ ( lattice @ SV2 ) ) )
        = $true )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[826]) ).

thf(836,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( empty_carrier @ SV4 ) )
        = $false )
      | ( ( ~ ( lattice @ SV4 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[827]) ).

thf(837,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV11 ) )
        = $true )
      | ( ( ~ ( lattice @ SV11 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[828]) ).

thf(838,plain,
    ( ( ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
        | ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 ) )
      = $false )
    | ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[829]) ).

thf(839,plain,
    ( ( ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) )
      = $false )
    | ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[830]) ).

thf(840,plain,
    ( ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $false )
    | ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[830]) ).

thf(841,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( empty_carrier @ SV7 ) )
        = $false )
      | ( ( ~ ( lattice @ SV7 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[831]) ).

thf(842,plain,
    ( ( empty_carrier @ sK3_SX0 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[833]) ).

thf(843,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV1 )
              | ~ ( lattice @ SV1 ) ) )
        = $false )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[834]) ).

thf(844,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ( ~ ~ ( empty_carrier @ SV2 )
              | ~ ( lattice @ SV2 ) ) )
        = $false )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[835]) ).

thf(845,plain,
    ! [SV4: $i] :
      ( ( ( empty_carrier @ SV4 )
        = $true )
      | ( ( ~ ( lattice @ SV4 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[836]) ).

thf(846,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( ~ ( empty_carrier @ SV11 ) )
        = $false )
      | ( ( ~ ( lattice @ SV11 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[837]) ).

thf(847,plain,
    ( ( ( ~ ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A ) )
      = $false )
    | ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(848,plain,
    ( ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $false )
    | ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[838]) ).

thf(849,plain,
    ( ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $true )
    | ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[839]) ).

thf(850,plain,
    ! [SV7: $i] :
      ( ( ( empty_carrier @ SV7 )
        = $true )
      | ( ( ~ ( lattice @ SV7 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[841]) ).

thf(851,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV1 )
          | ~ ( lattice @ SV1 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[843]) ).

thf(852,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV2 )
          | ~ ( lattice @ SV2 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[844]) ).

thf(853,plain,
    ! [SV4: $i] :
      ( ( ( lattice @ SV4 )
        = $false )
      | ( ( empty_carrier @ SV4 )
        = $true )
      | ( ( ~ ( latt_str @ SV4 ) )
        = $true )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[845]) ).

thf(854,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( ~ ( lattice @ SV11 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[846]) ).

thf(855,plain,
    ( ( ( latt_set_smaller @ sK2_SY22 @ ( cast_to_el_of_lattice @ sK2_SY22 @ sK7_SX0 ) @ sK1_A )
      = $true )
    | ( ( relstr_element_smaller @ ( poset_of_lattice @ sK2_SY22 ) @ sK1_A @ sK7_SX0 )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[847]) ).

thf(856,plain,
    ! [SV7: $i] :
      ( ( ( lattice @ SV7 )
        = $false )
      | ( ( empty_carrier @ SV7 )
        = $true )
      | ( ( ~ ( latt_str @ SV7 ) )
        = $true )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[850]) ).

thf(857,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV1 ) )
        = $true )
      | ( ( ~ ( lattice @ SV1 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[851]) ).

thf(858,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ~ ( empty_carrier @ SV2 ) )
        = $true )
      | ( ( ~ ( lattice @ SV2 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[852]) ).

thf(859,plain,
    ! [SV4: $i] :
      ( ( ( latt_str @ SV4 )
        = $false )
      | ( ( empty_carrier @ SV4 )
        = $true )
      | ( ( lattice @ SV4 )
        = $false )
      | ( ( ! [SY28: $i] :
              ( ~ ( element @ SY28 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
              | ( ( cast_to_el_of_lattice @ SV4 @ SY28 )
                = SY28 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[853]) ).

thf(860,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( ~ ( latt_str @ SV11 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[854]) ).

thf(861,plain,
    ! [SV7: $i] :
      ( ( ( latt_str @ SV7 )
        = $false )
      | ( ( empty_carrier @ SV7 )
        = $true )
      | ( ( lattice @ SV7 )
        = $false )
      | ( ( ! [SY32: $i] :
              ( ~ ( element @ SY32 @ ( the_carrier @ SV7 ) )
              | ( ( cast_to_el_of_LattPOSet @ SV7 @ SY32 )
                = SY32 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[856]) ).

thf(862,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( ~ ( empty_carrier @ SV1 ) )
        = $false )
      | ( ( ~ ( lattice @ SV1 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[857]) ).

thf(863,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( ~ ( empty_carrier @ SV2 ) )
        = $false )
      | ( ( ~ ( lattice @ SV2 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[858]) ).

thf(864,plain,
    ! [SV4: $i,SV12: $i] :
      ( ( ( ~ ( element @ SV12 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
          | ( ( cast_to_el_of_lattice @ SV4 @ SV12 )
            = SV12 ) )
        = $true )
      | ( ( lattice @ SV4 )
        = $false )
      | ( ( empty_carrier @ SV4 )
        = $true )
      | ( ( latt_str @ SV4 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[859]) ).

thf(865,plain,
    ! [SV6: $i,SV11: $i] :
      ( ( ( latt_str @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( ! [SY33: $i] :
              ( ~ ( element @ SY33 @ ( the_carrier @ SV11 ) )
              | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SY33 @ SV6 )
                      | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) ) )
                  | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SY33 ) )
                      | ( latt_set_smaller @ SV11 @ SY33 @ SV6 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[860]) ).

thf(866,plain,
    ! [SV7: $i,SV13: $i] :
      ( ( ( ~ ( element @ SV13 @ ( the_carrier @ SV7 ) )
          | ( ( cast_to_el_of_LattPOSet @ SV7 @ SV13 )
            = SV13 ) )
        = $true )
      | ( ( lattice @ SV7 )
        = $false )
      | ( ( empty_carrier @ SV7 )
        = $true )
      | ( ( latt_str @ SV7 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[861]) ).

thf(867,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( empty_carrier @ SV1 )
        = $true )
      | ( ( ~ ( lattice @ SV1 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[862]) ).

thf(868,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( empty_carrier @ SV2 )
        = $true )
      | ( ( ~ ( lattice @ SV2 ) )
        = $true )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[863]) ).

thf(869,plain,
    ! [SV4: $i,SV12: $i] :
      ( ( ( ~ ( element @ SV12 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) ) )
        = $true )
      | ( ( ( cast_to_el_of_lattice @ SV4 @ SV12 )
          = SV12 )
        = $true )
      | ( ( lattice @ SV4 )
        = $false )
      | ( ( empty_carrier @ SV4 )
        = $true )
      | ( ( latt_str @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[864]) ).

thf(870,plain,
    ! [SV6: $i,SV11: $i,SV14: $i] :
      ( ( ( ~ ( element @ SV14 @ ( the_carrier @ SV11 ) )
          | ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
                  | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) )
              | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
                  | ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) ) ) )
        = $true )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[865]) ).

thf(871,plain,
    ! [SV7: $i,SV13: $i] :
      ( ( ( ~ ( element @ SV13 @ ( the_carrier @ SV7 ) ) )
        = $true )
      | ( ( ( cast_to_el_of_LattPOSet @ SV7 @ SV13 )
          = SV13 )
        = $true )
      | ( ( lattice @ SV7 )
        = $false )
      | ( ( empty_carrier @ SV7 )
        = $true )
      | ( ( latt_str @ SV7 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[866]) ).

thf(872,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( lattice @ SV1 )
        = $false )
      | ( ( empty_carrier @ SV1 )
        = $true )
      | ( ( ~ ( latt_str @ SV1 ) )
        = $true )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[867]) ).

thf(873,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( lattice @ SV2 )
        = $false )
      | ( ( empty_carrier @ SV2 )
        = $true )
      | ( ( ~ ( latt_str @ SV2 ) )
        = $true )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[868]) ).

thf(874,plain,
    ! [SV4: $i,SV12: $i] :
      ( ( ( element @ SV12 @ ( the_carrier @ ( poset_of_lattice @ SV4 ) ) )
        = $false )
      | ( ( ( cast_to_el_of_lattice @ SV4 @ SV12 )
          = SV12 )
        = $true )
      | ( ( lattice @ SV4 )
        = $false )
      | ( ( empty_carrier @ SV4 )
        = $true )
      | ( ( latt_str @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[869]) ).

thf(875,plain,
    ! [SV6: $i,SV11: $i,SV14: $i] :
      ( ( ( ~ ( element @ SV14 @ ( the_carrier @ SV11 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
                  | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) )
              | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
                  | ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) ) ) )
        = $true )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[870]) ).

thf(876,plain,
    ! [SV7: $i,SV13: $i] :
      ( ( ( element @ SV13 @ ( the_carrier @ SV7 ) )
        = $false )
      | ( ( ( cast_to_el_of_LattPOSet @ SV7 @ SV13 )
          = SV13 )
        = $true )
      | ( ( lattice @ SV7 )
        = $false )
      | ( ( empty_carrier @ SV7 )
        = $true )
      | ( ( latt_str @ SV7 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[871]) ).

thf(877,plain,
    ! [SV8: $i,SV1: $i] :
      ( ( ( latt_str @ SV1 )
        = $false )
      | ( ( empty_carrier @ SV1 )
        = $true )
      | ( ( lattice @ SV1 )
        = $false )
      | ( ( ~ ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[872]) ).

thf(878,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ( latt_str @ SV2 )
        = $false )
      | ( ( empty_carrier @ SV2 )
        = $true )
      | ( ( lattice @ SV2 )
        = $false )
      | ( ( ~ ( element @ SV9 @ ( the_carrier @ SV2 ) ) )
        = $true )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[873]) ).

thf(879,plain,
    ! [SV6: $i,SV11: $i,SV14: $i] :
      ( ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
                  | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) )
              | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
                  | ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) ) ) )
        = $true )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[875]) ).

thf(880,plain,
    ! [SV1: $i,SV8: $i] :
      ( ( ( element @ SV8 @ ( the_carrier @ ( poset_of_lattice @ SV1 ) ) )
        = $false )
      | ( ( lattice @ SV1 )
        = $false )
      | ( ( empty_carrier @ SV1 )
        = $true )
      | ( ( latt_str @ SV1 )
        = $false )
      | ( ( element @ ( cast_to_el_of_lattice @ SV1 @ SV8 ) @ ( the_carrier @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[877]) ).

thf(881,plain,
    ! [SV2: $i,SV9: $i] :
      ( ( ( element @ SV9 @ ( the_carrier @ SV2 ) )
        = $false )
      | ( ( lattice @ SV2 )
        = $false )
      | ( ( empty_carrier @ SV2 )
        = $true )
      | ( ( latt_str @ SV2 )
        = $false )
      | ( ( element @ ( cast_to_el_of_LattPOSet @ SV2 @ SV9 ) @ ( the_carrier @ ( poset_of_lattice @ SV2 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[878]) ).

thf(882,plain,
    ! [SV6: $i,SV14: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
              | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) )
          | ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
              | ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) ) )
        = $false )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[879]) ).

thf(883,plain,
    ! [SV6: $i,SV14: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
              | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) ) )
        = $false )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[882]) ).

thf(884,plain,
    ! [SV14: $i,SV6: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
              | ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) ) )
        = $false )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[882]) ).

thf(885,plain,
    ! [SV6: $i,SV14: $i,SV11: $i] :
      ( ( ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
          | ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) )
        = $true )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[883]) ).

thf(886,plain,
    ! [SV14: $i,SV6: $i,SV11: $i] :
      ( ( ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
          | ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) )
        = $true )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[884]) ).

thf(887,plain,
    ! [SV6: $i,SV14: $i,SV11: $i] :
      ( ( ( ~ ( latt_set_smaller @ SV11 @ SV14 @ SV6 ) )
        = $true )
      | ( ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
        = $true )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[885]) ).

thf(888,plain,
    ! [SV14: $i,SV6: $i,SV11: $i] :
      ( ( ( ~ ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) ) )
        = $true )
      | ( ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
        = $true )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[886]) ).

thf(889,plain,
    ! [SV6: $i,SV14: $i,SV11: $i] :
      ( ( ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
        = $false )
      | ( ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
        = $true )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[887]) ).

thf(890,plain,
    ! [SV14: $i,SV6: $i,SV11: $i] :
      ( ( ( relstr_element_smaller @ ( poset_of_lattice @ SV11 ) @ SV6 @ ( cast_to_el_of_LattPOSet @ SV11 @ SV14 ) )
        = $false )
      | ( ( latt_set_smaller @ SV11 @ SV14 @ SV6 )
        = $true )
      | ( ( element @ SV14 @ ( the_carrier @ SV11 ) )
        = $false )
      | ( ( lattice @ SV11 )
        = $false )
      | ( ( empty_carrier @ SV11 )
        = $true )
      | ( ( latt_str @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[888]) ).

thf(891,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[688,890,889,881,880,876,874,855,849,848,842,840,832,817,809,808,806,803,787,785,781,767,740,725,724,717,716,715,714,713,712,710,709,707,706,705,704,703,702,701,700,699,698,697,696,695,694,693,692,691,690,689]) ).

thf(892,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[891]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU348+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
% 0.08/0.17  % Computer : n004.cluster.edu
% 0.08/0.17  % Model    : x86_64 x86_64
% 0.08/0.17  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.17  % Memory   : 8046.5625MB
% 0.08/0.17  % OS       : Linux 6.8.0-71-generic
% 0.08/0.17  % CPULimit : 300
% 0.08/0.17  % WCLimit  : 300
% 0.08/0.17  % DateTime : Tue Oct  6 15:15:09 UTC 2026
% 0.08/0.17  % CPUTime  : 
% 0.08/0.17  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 7.97/1.54  .....
% 7.97/1.54  
% 7.97/1.54   No.of.Axioms: 39
% 7.97/1.54  
% 7.97/1.54   Length.of.Defs: 0
% 7.97/1.54  
% 7.97/1.54   Contains.Choice.Funs: false
% 7.97/1.54  .............
% 7.97/1.54  
% 7.97/1.54  ********************************
% 7.97/1.54  *   All subproblems solved!    *
% 7.97/1.54  ********************************
% 7.97/1.54  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:42,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:891,loop_count:0,foatp_calls:1,translation:fof_full)
% 7.97/1.54  
% 7.97/1.54  %**** Beginning of derivation protocol ****
% 7.97/1.54  % SZS output start CNFRefutation
% See solution above
% 7.97/1.54  
% 7.97/1.54  %**** End of derivation protocol ****
% 7.97/1.54  %**** no. of clauses in derivation: 296 ****
% 7.97/1.54  %**** clause counter: 891 ****
% 7.97/1.54  
% 7.97/1.54  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:42,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:891,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------