TSTP Solution File: SEU277+2 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SEU277+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n011.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri May 19 11:57:58 EDT 2023

% Result   : Theorem 12.60s 3.80s
% Output   : Refutation 13.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :  401
% Syntax   : Number of formulae    :  735 (  87 unt;  69 typ;   0 def)
%            Number of atoms       : 2772 ( 540 equ;   0 cnn)
%            Maximal formula atoms :   28 (   4 avg)
%            Number of connectives : 8330 ( 273   ~;  24   |; 928   &;5951   @)
%                                         ( 130 <=>;1024  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   24 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  113 ( 113   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   71 (  69 usr;   2 con; 0-3 aty)
%            Number of variables   : 1740 (   0   ^;1581   !; 159   ?;1740   :)

% Comments : 
%------------------------------------------------------------------------------
thf(relation_type,type,
    relation: $i > $o ).

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

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

thf(cartesian_product2_type,type,
    cartesian_product2: $i > $i > $i ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(set_union2_type,type,
    set_union2: $i > $i > $i ).

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

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

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

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

thf(relation_of2_type,type,
    relation_of2: $i > $i > $i > $o ).

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

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

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

thf(set_intersection2_type,type,
    set_intersection2: $i > $i > $i ).

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

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

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

thf(relation_of2_as_subset_type,type,
    relation_of2_as_subset: $i > $i > $i > $o ).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

thf(160,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ ( powerset @ C ) @ B ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t136_zfmisc_1) ).

thf(1036,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ ( powerset @ C ) @ B ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[160]) ).

thf(128,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( antisymmetric @ A )
      <=> ! [B: $i,C: $i] :
            ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
              & ( in @ ( ordered_pair @ C @ B ) @ A ) )
           => ( B = C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_wellord1) ).

thf(809,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( antisymmetric @ A )
         => ! [B: $i,C: $i] :
              ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                & ( in @ ( ordered_pair @ C @ B ) @ A ) )
             => ( B = C ) ) )
        & ( ! [B: $i,C: $i] :
              ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                & ( in @ ( ordered_pair @ C @ B ) @ A ) )
             => ( B = C ) )
         => ( antisymmetric @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[128]) ).

thf(181,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_orders @ B @ A )
       => ( ( ( relation_field @ ( relation_restriction @ B @ A ) )
            = A )
          & ( well_ordering @ ( relation_restriction @ B @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_wellord2) ).

thf(1190,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_orders @ B @ A )
       => ( ( ( relation_field @ ( relation_restriction @ B @ A ) )
            = A )
          & ( well_ordering @ ( relation_restriction @ B @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[181]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( cast_to_subset @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_subset_1) ).

thf(347,plain,
    ! [A: $i] :
      ( ( cast_to_subset @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(158,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_restriction @ B @ A )
        = ( relation_dom_restriction @ ( relation_rng_restriction @ A @ B ) @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_wellord1) ).

thf(1031,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_restriction @ B @ A )
        = ( relation_dom_restriction @ ( relation_rng_restriction @ A @ B ) @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[158]) ).

thf(51,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_zfmisc_1) ).

thf(518,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ ( singleton @ B ) )
       => ( ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) ) )
      & ( ( ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
       => ( subset @ A @ ( singleton @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(36,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
    <=> ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_ordinal1) ).

thf(468,plain,
    ! [A: $i] :
      ( ( ( ordinal @ A )
       => ( ( epsilon_transitive @ A )
          & ( epsilon_connected @ A ) ) )
      & ( ( ( epsilon_transitive @ A )
          & ( epsilon_connected @ A ) )
       => ( ordinal @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(199,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_dom_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_relat_1) ).

thf(1295,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_dom_restriction @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[199]) ).

thf(290,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ~ ( ( subset @ A @ B )
          & ( A != empty_set )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ~ ( ( in @ C @ A )
                  & ! [D: $i] :
                      ( ( ordinal @ D )
                     => ( ( in @ D @ A )
                       => ( ordinal_subset @ C @ D ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t32_ordinal1) ).

thf(1950,plain,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ~ ( ( subset @ A @ B )
          & ( A != empty_set )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ~ ( ( in @ C @ A )
                  & ! [D: $i] :
                      ( ( ordinal @ D )
                     => ( ( in @ D @ A )
                       => ( ordinal_subset @ C @ D ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[290]) ).

thf(230,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_inverse @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relat_1) ).

thf(1549,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_inverse @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[230]) ).

thf(188,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ ( relation_dom @ C ) )
          & ( in @ B @ ( relation_rng @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t20_relat_1) ).

thf(1211,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ ( relation_dom @ C ) )
          & ( in @ B @ ( relation_rng @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[188]) ).

thf(68,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_setfam_1) ).

thf(582,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( meet_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[68]) ).

thf(101,axiom,
    ! [A: $i] :
      ( ( set_difference @ empty_set @ A )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_boole) ).

thf(683,plain,
    ! [A: $i] :
      ( ( set_difference @ empty_set @ A )
      = empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[101]) ).

thf(163,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_image @ A @ ( relation_dom @ A ) )
        = ( relation_rng @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t146_relat_1) ).

thf(1068,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_image @ A @ ( relation_dom @ A ) )
        = ( relation_rng @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[163]) ).

thf(136,axiom,
    ! [A: $i] : ( in @ A @ ( succ @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_ordinal1) ).

thf(861,plain,
    ! [A: $i] : ( in @ A @ ( succ @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[136]) ).

thf(310,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_rng @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_relat_1) ).

thf(2114,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_rng @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[310]) ).

thf(198,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( unordered_pair @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( D = A )
            | ( D = B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

thf(1269,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( unordered_pair @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( D = A )
                | ( D = B ) ) )
            & ( ( ( D = A )
                | ( D = B ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( D = A )
                | ( D = B ) ) )
            & ( ( ( D = A )
                | ( D = B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( unordered_pair @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[198]) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( connected @ ( inclusion_relation @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_wellord2) ).

thf(440,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( connected @ ( inclusion_relation @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(90,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation_of2_as_subset @ D @ C @ A )
     => ( ( subset @ A @ B )
       => ( relation_of2_as_subset @ D @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t16_relset_1) ).

thf(655,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation_of2_as_subset @ D @ C @ A )
     => ( ( subset @ A @ B )
       => ( relation_of2_as_subset @ D @ C @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[90]) ).

thf(49,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ ( union @ A ) )
        & ( epsilon_connected @ ( union @ A ) )
        & ( ordinal @ ( union @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_ordinal1) ).

thf(511,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ ( union @ A ) )
        & ( epsilon_connected @ ( union @ A ) )
        & ( ordinal @ ( union @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(300,axiom,
    ( ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set )
    & ( function @ empty_set )
    & ( one_to_one @ empty_set )
    & ( empty @ empty_set )
    & ( epsilon_transitive @ empty_set )
    & ( epsilon_connected @ empty_set )
    & ( ordinal @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_ordinal1) ).

thf(2035,plain,
    ( ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set )
    & ( function @ empty_set )
    & ( one_to_one @ empty_set )
    & ( empty @ empty_set )
    & ( epsilon_transitive @ empty_set )
    & ( epsilon_connected @ empty_set )
    & ( ordinal @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[300]) ).

thf(174,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( well_founded_relation @ A )
      <=> ( is_well_founded_in @ A @ ( relation_field @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_wellord1) ).

thf(1164,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( well_founded_relation @ A )
         => ( is_well_founded_in @ A @ ( relation_field @ A ) ) )
        & ( ( is_well_founded_in @ A @ ( relation_field @ A ) )
         => ( well_founded_relation @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[174]) ).

thf(203,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            | ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(1327,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( set_union2 @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                | ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                | ( in @ D @ B ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                | ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                | ( in @ D @ B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( set_union2 @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[203]) ).

thf(225,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ordered_pair @ A @ B )
        = ( ordered_pair @ C @ D ) )
     => ( ( A = C )
        & ( B = D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_zfmisc_1) ).

thf(1507,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( ordered_pair @ A @ B )
        = ( ordered_pair @ C @ D ) )
     => ( ( A = C )
        & ( B = D ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[225]) ).

thf(183,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( connected @ B )
       => ( connected @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_wellord1) ).

thf(1196,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( connected @ B )
       => ( connected @ ( relation_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[183]) ).

thf(276,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( is_well_founded_in @ A @ B )
        <=> ! [C: $i] :
              ~ ( ( subset @ C @ B )
                & ( C != empty_set )
                & ! [D: $i] :
                    ~ ( ( in @ D @ C )
                      & ( disjoint @ ( fiber @ A @ D ) @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_wellord1) ).

thf(1835,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( is_well_founded_in @ A @ B )
           => ! [C: $i] :
                ~ ( ( subset @ C @ B )
                  & ( C != empty_set )
                  & ! [D: $i] :
                      ~ ( ( in @ D @ C )
                        & ( disjoint @ ( fiber @ A @ D ) @ C ) ) ) )
          & ( ! [C: $i] :
                ~ ( ( subset @ C @ B )
                  & ( C != empty_set )
                  & ! [D: $i] :
                      ~ ( ( in @ D @ C )
                        & ( disjoint @ ( fiber @ A @ D ) @ C ) ) )
           => ( is_well_founded_in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[276]) ).

thf(302,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( relation @ ( relation_rng_restriction @ A @ B ) )
        & ( function @ ( relation_rng_restriction @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_funct_1) ).

thf(2046,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( relation @ ( relation_rng_restriction @ A @ B ) )
        & ( function @ ( relation_rng_restriction @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[302]) ).

thf(172,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_dom @ A )
          = empty_set )
      <=> ( ( relation_rng @ A )
          = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_relat_1) ).

thf(1127,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( ( relation_dom @ A )
            = empty_set )
         => ( ( relation_rng @ A )
            = empty_set ) )
        & ( ( ( relation_rng @ A )
            = empty_set )
         => ( ( relation_dom @ A )
            = empty_set ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[172]) ).

thf(238,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ ( relation_field @ B ) )
        & ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t20_wellord1) ).

thf(1576,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ ( relation_field @ B ) )
        & ( subset @ ( relation_field @ ( relation_restriction @ B @ A ) ) @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[238]) ).

thf(21,axiom,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    & ( ( relation_rng @ empty_set )
      = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_relat_1) ).

thf(417,plain,
    ( ( ( relation_dom @ empty_set )
      = empty_set )
    & ( ( relation_rng @ empty_set )
      = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(64,axiom,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(565,plain,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[64]) ).

thf(24,axiom,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(436,plain,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(191,axiom,
    ! [A: $i] :
      ( ! [B: $i] :
          ( ( in @ B @ A )
         => ( ( ordinal @ B )
            & ( subset @ B @ A ) ) )
     => ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t31_ordinal1) ).

thf(1228,plain,
    ! [A: $i] :
      ( ! [B: $i] :
          ( ( in @ B @ A )
         => ( ( ordinal @ B )
            & ( subset @ B @ A ) ) )
     => ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[191]) ).

thf(227,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
        & ~ ( empty @ B ) )
     => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_subset_1) ).

thf(1518,plain,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
        & ~ ( empty @ B ) )
     => ~ ( empty @ ( cartesian_product2 @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[227]) ).

thf(196,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_intersection2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_relat_1) ).

thf(1265,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_intersection2 @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[196]) ).

thf(248,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ! [C: $i] :
          ( ( relation @ C )
         => ( ( C
              = ( relation_rng_restriction @ A @ B ) )
          <=> ! [D: $i,E: $i] :
                ( ( in @ ( ordered_pair @ D @ E ) @ C )
              <=> ( ( in @ E @ A )
                  & ( in @ ( ordered_pair @ D @ E ) @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_relat_1) ).

thf(1628,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ! [C: $i] :
          ( ( relation @ C )
         => ( ( ( C
                = ( relation_rng_restriction @ A @ B ) )
             => ! [D: $i,E: $i] :
                  ( ( ( in @ ( ordered_pair @ D @ E ) @ C )
                   => ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) ) )
                  & ( ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) )
                   => ( in @ ( ordered_pair @ D @ E ) @ C ) ) ) )
            & ( ! [D: $i,E: $i] :
                  ( ( ( in @ ( ordered_pair @ D @ E ) @ C )
                   => ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) ) )
                  & ( ( ( in @ E @ A )
                      & ( in @ ( ordered_pair @ D @ E ) @ B ) )
                   => ( in @ ( ordered_pair @ D @ E ) @ C ) ) )
             => ( C
                = ( relation_rng_restriction @ A @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[248]) ).

thf(66,axiom,
    ! [A: $i,B: $i] :
      ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
      = ( set_difference @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t40_xboole_1) ).

thf(570,plain,
    ! [A: $i,B: $i] :
      ( ( set_difference @ ( set_union2 @ A @ B ) @ B )
      = ( set_difference @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[66]) ).

thf(200,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ ( succ @ B ) )
            & ? [E: $i] :
                ( ( ordinal @ E )
                & ( D = E )
                & ( in @ E @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e8_6__wellord2__1) ).

thf(1298,plain,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ? [C: $i] :
        ! [D: $i] :
          ( ( ( in @ D @ C )
           => ( ( in @ D @ ( succ @ B ) )
              & ? [E: $i] :
                  ( ( ordinal @ E )
                  & ( D = E )
                  & ( in @ E @ A ) ) ) )
          & ( ( ( in @ D @ ( succ @ B ) )
              & ? [E: $i] :
                  ( ( ordinal @ E )
                  & ( D = E )
                  & ( in @ E @ A ) ) )
           => ( in @ D @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[200]) ).

thf(284,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_rng @ ( relation_rng_restriction @ A @ B ) )
        = ( set_intersection2 @ ( relation_rng @ B ) @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t119_relat_1) ).

thf(1907,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_rng @ ( relation_rng_restriction @ A @ B ) )
        = ( set_intersection2 @ ( relation_rng @ B ) @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[284]) ).

thf(280,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_dom @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(1860,plain,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_dom @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[280]) ).

thf(141,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ~ ( ( A != empty_set )
          & ( subset @ A @ ( relation_rng @ B ) )
          & ( ( relation_inverse_image @ B @ A )
            = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t174_relat_1) ).

thf(917,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ~ ( ( A != empty_set )
          & ( subset @ A @ ( relation_rng @ B ) )
          & ( ( relation_inverse_image @ B @ A )
            = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[141]) ).

thf(173,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( cartesian_product2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ? [E: $i,F: $i] :
              ( ( in @ E @ A )
              & ( in @ F @ B )
              & ( D
                = ( ordered_pair @ E @ F ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_zfmisc_1) ).

thf(1132,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( cartesian_product2 @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) )
            & ( ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) )
            & ( ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( cartesian_product2 @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[173]) ).

thf(62,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(559,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[62]) ).

thf(208,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ A @ B )
           => ( ( subset @ ( relation_dom @ A ) @ ( relation_dom @ B ) )
              & ( subset @ ( relation_rng @ A ) @ ( relation_rng @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_relat_1) ).

thf(1379,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ A @ B )
           => ( ( subset @ ( relation_dom @ A ) @ ( relation_dom @ B ) )
              & ( subset @ ( relation_rng @ A ) @ ( relation_rng @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[208]) ).

thf(226,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc4_funct_1) ).

thf(1514,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A )
      & ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[226]) ).

thf(303,axiom,
    ! [A: $i] : ( relation @ ( identity_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_relat_1) ).

thf(2049,plain,
    ! [A: $i] : ( relation @ ( identity_relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[303]) ).

thf(217,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_subset) ).

thf(1479,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[217]) ).

thf(265,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_ordinal1) ).

thf(1773,plain,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[265]) ).

thf(283,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i] :
                  ( ( in @ E @ ( relation_dom @ A ) )
                  & ( in @ E @ B )
                  & ( D
                    = ( apply @ A @ E ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_funct_1) ).

thf(1875,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( ( C
              = ( relation_image @ A @ B ) )
           => ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ? [E: $i] :
                      ( ( in @ E @ ( relation_dom @ A ) )
                      & ( in @ E @ B )
                      & ( D
                        = ( apply @ A @ E ) ) ) )
                & ( ? [E: $i] :
                      ( ( in @ E @ ( relation_dom @ A ) )
                      & ( in @ E @ B )
                      & ( D
                        = ( apply @ A @ E ) ) )
                 => ( in @ D @ C ) ) ) )
          & ( ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ? [E: $i] :
                      ( ( in @ E @ ( relation_dom @ A ) )
                      & ( in @ E @ B )
                      & ( D
                        = ( apply @ A @ E ) ) ) )
                & ( ? [E: $i] :
                      ( ( in @ E @ ( relation_dom @ A ) )
                      & ( in @ E @ B )
                      & ( D
                        = ( apply @ A @ E ) ) )
                 => ( in @ D @ C ) ) )
           => ( C
              = ( relation_image @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[283]) ).

thf(267,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( relation_isomorphism @ A @ B @ C )
               => ( relation_isomorphism @ B @ A @ ( function_inverse @ C ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t49_wellord1) ).

thf(1778,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( relation_isomorphism @ A @ B @ C )
               => ( relation_isomorphism @ B @ A @ ( function_inverse @ C ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[267]) ).

thf(324,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ B ) )
           => ( ( apply @ ( relation_composition @ B @ C ) @ A )
              = ( apply @ C @ ( apply @ B @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_funct_1) ).

thf(2222,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ B ) )
           => ( ( apply @ ( relation_composition @ B @ C ) @ A )
              = ( apply @ C @ ( apply @ B @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[324]) ).

thf(143,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation_restriction @ A @ B )
          = ( set_intersection2 @ A @ ( cartesian_product2 @ B @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_wellord1) ).

thf(924,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation_restriction @ A @ B )
          = ( set_intersection2 @ A @ ( cartesian_product2 @ B @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[143]) ).

thf(39,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation_of2_as_subset @ D @ C @ A )
     => ( ( subset @ ( relation_rng @ D ) @ B )
       => ( relation_of2_as_subset @ D @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t14_relset_1) ).

thf(480,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation_of2_as_subset @ D @ C @ A )
     => ( ( subset @ ( relation_rng @ D ) @ B )
       => ( relation_of2_as_subset @ D @ C @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(308,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_image @ C @ B ) )
      <=> ? [D: $i] :
            ( ( in @ D @ ( relation_dom @ C ) )
            & ( in @ ( ordered_pair @ D @ A ) @ C )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t143_relat_1) ).

thf(2105,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( ( in @ A @ ( relation_image @ C @ B ) )
         => ? [D: $i] :
              ( ( in @ D @ ( relation_dom @ C ) )
              & ( in @ ( ordered_pair @ D @ A ) @ C )
              & ( in @ D @ B ) ) )
        & ( ? [D: $i] :
              ( ( in @ D @ ( relation_dom @ C ) )
              & ( in @ ( ordered_pair @ D @ A ) @ C )
              & ( in @ D @ B ) )
         => ( in @ A @ ( relation_image @ C @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[308]) ).

thf(273,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( transitive @ A )
      <=> ( is_transitive_in @ A @ ( relation_field @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d16_relat_2) ).

thf(1811,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( transitive @ A )
         => ( is_transitive_in @ A @ ( relation_field @ A ) ) )
        & ( ( is_transitive_in @ A @ ( relation_field @ A ) )
         => ( transitive @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[273]) ).

thf(76,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k7_setfam_1) ).

thf(602,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( complements_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[76]) ).

thf(104,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(692,plain,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[104]) ).

thf(92,axiom,
    ! [A: $i] : ( reflexive @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_wellord2) ).

thf(660,plain,
    ! [A: $i] : ( reflexive @ ( inclusion_relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[92]) ).

thf(185,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( reflexive @ A )
      <=> ( is_reflexive_in @ A @ ( relation_field @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d9_relat_2) ).

thf(1201,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( reflexive @ A )
         => ( is_reflexive_in @ A @ ( relation_field @ A ) ) )
        & ( ( is_reflexive_in @ A @ ( relation_field @ A ) )
         => ( reflexive @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[185]) ).

thf(297,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(2011,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[297]) ).

thf(187,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_zfmisc_1) ).

thf(1206,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ ( singleton @ A ) @ B )
       => ( in @ A @ B ) )
      & ( ( in @ A @ B )
       => ( subset @ ( singleton @ A ) @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[187]) ).

thf(142,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
      <=> ( ( in @ A @ B )
          & ( in @ A @ ( relation_dom @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t86_relat_1) ).

thf(920,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) )
         => ( ( in @ A @ B )
            & ( in @ A @ ( relation_dom @ C ) ) ) )
        & ( ( ( in @ A @ B )
            & ( in @ A @ ( relation_dom @ C ) ) )
         => ( in @ A @ ( relation_dom @ ( relation_dom_restriction @ C @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[142]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( subset @ A @ B )
        & ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t60_xboole_1) ).

thf(380,plain,
    ! [A: $i,B: $i] :
      ~ ( ( subset @ A @ B )
        & ( proper_subset @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(25,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(439,plain,
    empty @ empty_set,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(99,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

thf(678,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ B )
        = ( set_difference @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[99]) ).

thf(58,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_intersection2 @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t28_xboole_1) ).

thf(546,plain,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_intersection2 @ A @ B )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[58]) ).

thf(119,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ ( relation_field @ C ) )
          & ( in @ B @ ( relation_field @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t30_relat_1) ).

thf(761,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ ( relation_field @ C ) )
          & ( in @ B @ ( relation_field @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[119]) ).

thf(312,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( connected @ A )
      <=> ( is_connected_in @ A @ ( relation_field @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d14_relat_2) ).

thf(2118,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( connected @ A )
         => ( is_connected_in @ A @ ( relation_field @ A ) ) )
        & ( ( is_connected_in @ A @ ( relation_field @ A ) )
         => ( connected @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[312]) ).

thf(261,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ( C = D )
              & ? [F: $i] :
                  ( ( ordinal @ F )
                  & ( D = F )
                  & ( in @ F @ A ) )
              & ( C = E )
              & ? [F: $i] :
                  ( ( ordinal @ F )
                  & ( E = F )
                  & ( in @ F @ A ) ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( in @ D @ C )
          <=> ? [E: $i] :
                ( ( in @ E @ ( succ @ B ) )
                & ( E = D )
                & ? [F: $i] :
                    ( ( ordinal @ F )
                    & ( D = F )
                    & ( in @ F @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e8_6__wellord2__1) ).

thf(1736,plain,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ! [C: $i,D: $i,E: $i] :
            ( ( ( C = D )
              & ? [F: $i] :
                  ( ( ordinal @ F )
                  & ( D = F )
                  & ( in @ F @ A ) )
              & ( C = E )
              & ? [F: $i] :
                  ( ( ordinal @ F )
                  & ( E = F )
                  & ( in @ F @ A ) ) )
           => ( D = E ) )
       => ? [C: $i] :
          ! [D: $i] :
            ( ( ( in @ D @ C )
             => ? [E: $i] :
                  ( ( in @ E @ ( succ @ B ) )
                  & ( E = D )
                  & ? [F: $i] :
                      ( ( ordinal @ F )
                      & ( D = F )
                      & ( in @ F @ A ) ) ) )
            & ( ? [E: $i] :
                  ( ( in @ E @ ( succ @ B ) )
                  & ( E = D )
                  & ? [F: $i] :
                      ( ( ordinal @ F )
                      & ( D = F )
                      & ( in @ F @ A ) ) )
             => ( in @ D @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[261]) ).

thf(112,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t26_xboole_1) ).

thf(714,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_intersection2 @ A @ C ) @ ( set_intersection2 @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[112]) ).

thf(294,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(2000,plain,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[294]) ).

thf(1,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ B )
        & ( relation @ C )
        & ( function @ C ) )
     => ? [D: $i] :
        ! [E: $i] :
          ( ( in @ E @ D )
        <=> ( ( in @ E @ ( cartesian_product2 @ A @ A ) )
            & ? [F: $i,G: $i] :
                ( ( E
                  = ( ordered_pair @ F @ G ) )
                & ( in @ ( ordered_pair @ ( apply @ C @ F ) @ ( apply @ C @ G ) ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_xboole_0__e6_21__wellord2__1) ).

thf(2,negated_conjecture,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( ( relation @ B )
          & ( relation @ C )
          & ( function @ C ) )
       => ? [D: $i] :
          ! [E: $i] :
            ( ( in @ E @ D )
          <=> ( ( in @ E @ ( cartesian_product2 @ A @ A ) )
              & ? [F: $i,G: $i] :
                  ( ( E
                    = ( ordered_pair @ F @ G ) )
                  & ( in @ ( ordered_pair @ ( apply @ C @ F ) @ ( apply @ C @ G ) ) @ B ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(334,plain,
    ~ ! [A: $i,B: $i,C: $i] :
        ( ( ( relation @ B )
          & ( relation @ C )
          & ( function @ C ) )
       => ? [D: $i] :
          ! [E: $i] :
            ( ( ( in @ E @ D )
             => ( ( in @ E @ ( cartesian_product2 @ A @ A ) )
                & ? [F: $i,G: $i] :
                    ( ( E
                      = ( ordered_pair @ F @ G ) )
                    & ( in @ ( ordered_pair @ ( apply @ C @ F ) @ ( apply @ C @ G ) ) @ B ) ) ) )
            & ( ( ( in @ E @ ( cartesian_product2 @ A @ A ) )
                & ? [F: $i,G: $i] :
                    ( ( E
                      = ( ordered_pair @ F @ G ) )
                    & ( in @ ( ordered_pair @ ( apply @ C @ F ) @ ( apply @ C @ G ) ) @ B ) ) )
             => ( in @ E @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(211,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t116_relat_1) ).

thf(1387,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_rng_restriction @ A @ B ) ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[211]) ).

thf(168,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( union @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ? [D: $i] :
              ( ( in @ C @ D )
              & ( in @ D @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_tarski) ).

thf(1091,plain,
    ! [A: $i,B: $i] :
      ( ( ( B
          = ( union @ A ) )
       => ! [C: $i] :
            ( ( ( in @ C @ B )
             => ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) )
            & ( ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) )
             => ( in @ C @ B ) ) ) )
      & ( ! [C: $i] :
            ( ( ( in @ C @ B )
             => ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) ) )
            & ( ? [D: $i] :
                  ( ( in @ C @ D )
                  & ( in @ D @ A ) )
             => ( in @ C @ B ) ) )
       => ( B
          = ( union @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[168]) ).

thf(132,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_rng @ A ) )
        & ( relation @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc8_relat_1) ).

thf(825,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_rng @ A ) )
        & ( relation @ ( relation_rng @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[132]) ).

thf(156,axiom,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
    <=> ! [B: $i] :
          ( ( in @ B @ A )
         => ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_ordinal1) ).

thf(1021,plain,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
       => ! [B: $i] :
            ( ( in @ B @ A )
           => ( subset @ B @ A ) ) )
      & ( ! [B: $i] :
            ( ( in @ B @ A )
           => ( subset @ B @ A ) )
       => ( epsilon_transitive @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[156]) ).

thf(148,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( B
          = ( identity_relation @ A ) )
      <=> ( ( ( relation_dom @ B )
            = A )
          & ! [C: $i] :
              ( ( in @ C @ A )
             => ( ( apply @ B @ C )
                = C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t34_funct_1) ).

thf(952,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( ( B
            = ( identity_relation @ A ) )
         => ( ( ( relation_dom @ B )
              = A )
            & ! [C: $i] :
                ( ( in @ C @ A )
               => ( ( apply @ B @ C )
                  = C ) ) ) )
        & ( ( ( ( relation_dom @ B )
              = A )
            & ! [C: $i] :
                ( ( in @ C @ A )
               => ( ( apply @ B @ C )
                  = C ) ) )
         => ( B
            = ( identity_relation @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[148]) ).

thf(176,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( reflexive @ B )
       => ( reflexive @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_wellord1) ).

thf(1174,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( reflexive @ B )
       => ( reflexive @ ( relation_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[176]) ).

thf(190,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( well_founded_relation @ A )
      <=> ! [B: $i] :
            ~ ( ( subset @ B @ ( relation_field @ A ) )
              & ( B != empty_set )
              & ! [C: $i] :
                  ~ ( ( in @ C @ B )
                    & ( disjoint @ ( fiber @ A @ C ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_wellord1) ).

thf(1217,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( well_founded_relation @ A )
         => ! [B: $i] :
              ~ ( ( subset @ B @ ( relation_field @ A ) )
                & ( B != empty_set )
                & ! [C: $i] :
                    ~ ( ( in @ C @ B )
                      & ( disjoint @ ( fiber @ A @ C ) @ B ) ) ) )
        & ( ! [B: $i] :
              ~ ( ( subset @ B @ ( relation_field @ A ) )
                & ( B != empty_set )
                & ! [C: $i] :
                    ~ ( ( in @ C @ B )
                      & ( disjoint @ ( fiber @ A @ C ) @ B ) ) )
         => ( well_founded_relation @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[190]) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_intersection2 @ A @ B )
        = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_xboole_0) ).

thf(407,plain,
    ! [A: $i,B: $i] :
      ( ( ( disjoint @ A @ B )
       => ( ( set_intersection2 @ A @ B )
          = empty_set ) )
      & ( ( ( set_intersection2 @ A @ B )
          = empty_set )
       => ( disjoint @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(207,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ B @ A )
     => ( ! [D: $i] :
            ~ ( ( in @ D @ B )
              & ! [E: $i] :
                  ~ ( in @ ( ordered_pair @ D @ E ) @ C ) )
      <=> ( ( relation_dom_as_subset @ B @ A @ C )
          = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_relset_1) ).

thf(1370,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ B @ A )
     => ( ( ! [D: $i] :
              ~ ( ( in @ D @ B )
                & ! [E: $i] :
                    ~ ( in @ ( ordered_pair @ D @ E ) @ C ) )
         => ( ( relation_dom_as_subset @ B @ A @ C )
            = B ) )
        & ( ( ( relation_dom_as_subset @ B @ A @ C )
            = B )
         => ! [D: $i] :
              ~ ( ( in @ D @ B )
                & ! [E: $i] :
                    ~ ( in @ ( ordered_pair @ D @ E ) @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[207]) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l32_xboole_1) ).

thf(392,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( set_difference @ A @ B )
          = empty_set )
       => ( subset @ A @ B ) )
      & ( ( subset @ A @ B )
       => ( ( set_difference @ A @ B )
          = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(219,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A )
        & ( one_to_one @ A ) )
     => ( ( relation @ ( relation_inverse @ A ) )
        & ( function @ ( relation_inverse @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_funct_1) ).

thf(1487,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A )
        & ( one_to_one @ A ) )
     => ( ( relation @ ( relation_inverse @ A ) )
        & ( function @ ( relation_inverse @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[219]) ).

thf(6,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(361,plain,
    ? [A: $i] : ( empty @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(138,axiom,
    ! [A: $i,B: $i] :
      ( ( ( A != empty_set )
       => ( ( B
            = ( set_meet @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ! [D: $i] :
                  ( ( in @ D @ A )
                 => ( in @ C @ D ) ) ) ) )
      & ( ( A = empty_set )
       => ( ( B
            = ( set_meet @ A ) )
        <=> ( B = empty_set ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_setfam_1) ).

thf(879,plain,
    ! [A: $i,B: $i] :
      ( ( ( A != empty_set )
       => ( ( ( B
              = ( set_meet @ A ) )
           => ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) ) )
                & ( ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) )
                 => ( in @ C @ B ) ) ) )
          & ( ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) ) )
                & ( ! [D: $i] :
                      ( ( in @ D @ A )
                     => ( in @ C @ D ) )
                 => ( in @ C @ B ) ) )
           => ( B
              = ( set_meet @ A ) ) ) ) )
      & ( ( A = empty_set )
       => ( ( ( B
              = ( set_meet @ A ) )
           => ( B = empty_set ) )
          & ( ( B = empty_set )
           => ( B
              = ( set_meet @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[138]) ).

thf(320,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( relation_dom_restriction @ ( relation_rng_restriction @ A @ C ) @ B )
        = ( relation_rng_restriction @ A @ ( relation_dom_restriction @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t140_relat_1) ).

thf(2179,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( relation_dom_restriction @ ( relation_rng_restriction @ A @ C ) @ B )
        = ( relation_rng_restriction @ A @ ( relation_dom_restriction @ C @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[320]) ).

thf(33,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( element @ ( relation_rng_as_subset @ A @ B @ C ) @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_relset_1) ).

thf(461,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( element @ ( relation_rng_as_subset @ A @ B @ C ) @ ( powerset @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(270,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_inverse_image @ B @ A ) @ ( relation_dom @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t167_relat_1) ).

thf(1787,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_inverse_image @ B @ A ) @ ( relation_dom @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[270]) ).

thf(44,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( B
        = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t45_xboole_1) ).

thf(493,plain,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( B
        = ( set_union2 @ A @ ( set_difference @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(322,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
          <=> ( ( in @ A @ ( relation_dom @ C ) )
              & ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_funct_1) ).

thf(2211,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
             => ( ( in @ A @ ( relation_dom @ C ) )
                & ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) ) )
            & ( ( ( in @ A @ ( relation_dom @ C ) )
                & ( in @ ( apply @ C @ A ) @ ( relation_dom @ B ) ) )
             => ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[322]) ).

thf(326,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( is_transitive_in @ A @ B )
        <=> ! [C: $i,D: $i,E: $i] :
              ( ( ( in @ C @ B )
                & ( in @ D @ B )
                & ( in @ E @ B )
                & ( in @ ( ordered_pair @ C @ D ) @ A )
                & ( in @ ( ordered_pair @ D @ E ) @ A ) )
             => ( in @ ( ordered_pair @ C @ E ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_relat_2) ).

thf(2228,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( is_transitive_in @ A @ B )
           => ! [C: $i,D: $i,E: $i] :
                ( ( ( in @ C @ B )
                  & ( in @ D @ B )
                  & ( in @ E @ B )
                  & ( in @ ( ordered_pair @ C @ D ) @ A )
                  & ( in @ ( ordered_pair @ D @ E ) @ A ) )
               => ( in @ ( ordered_pair @ C @ E ) @ A ) ) )
          & ( ! [C: $i,D: $i,E: $i] :
                ( ( ( in @ C @ B )
                  & ( in @ D @ B )
                  & ( in @ E @ B )
                  & ( in @ ( ordered_pair @ C @ D ) @ A )
                  & ( in @ ( ordered_pair @ D @ E ) @ A ) )
               => ( in @ ( ordered_pair @ C @ E ) @ A ) )
           => ( is_transitive_in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[326]) ).

thf(237,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
           => ( ( apply @ ( relation_composition @ C @ B ) @ A )
              = ( apply @ B @ ( apply @ C @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t22_funct_1) ).

thf(1573,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( in @ A @ ( relation_dom @ ( relation_composition @ C @ B ) ) )
           => ( ( apply @ ( relation_composition @ C @ B ) @ A )
              = ( apply @ B @ ( apply @ C @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[237]) ).

thf(134,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ! [B: $i,C: $i] :
            ~ ( in @ ( ordered_pair @ B @ C ) @ A )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t56_relat_1) ).

thf(852,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ! [B: $i,C: $i] :
            ~ ( in @ ( ordered_pair @ B @ C ) @ A )
       => ( A = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[134]) ).

thf(233,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( subset @ A @ ( relation_rng @ B ) )
       => ( ( relation_image @ B @ ( relation_inverse_image @ B @ A ) )
          = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t147_funct_1) ).

thf(1555,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( subset @ A @ ( relation_rng @ B ) )
       => ( ( relation_image @ B @ ( relation_inverse_image @ B @ A ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[233]) ).

thf(31,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_difference @ A @ B @ C )
        = ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_subset_1) ).

thf(456,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( ( subset_difference @ A @ B @ C )
        = ( set_difference @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(285,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_intersection2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_xboole_0) ).

thf(1910,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( set_intersection2 @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                & ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                & ( in @ D @ B ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                & ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                & ( in @ D @ B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( set_intersection2 @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[285]) ).

thf(286,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
    <=> ( ( in @ A @ C )
        & ( in @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t106_zfmisc_1) ).

thf(1936,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
       => ( ( in @ A @ C )
          & ( in @ B @ D ) ) )
      & ( ( ( in @ A @ C )
          & ( in @ B @ D ) )
       => ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[286]) ).

thf(106,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

thf(697,plain,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[106]) ).

thf(262,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t24_ordinal1) ).

thf(1762,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[262]) ).

thf(278,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
    <=> ( ( in @ A @ C )
        & ( in @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l55_zfmisc_1) ).

thf(1851,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) )
       => ( ( in @ A @ C )
          & ( in @ B @ D ) ) )
      & ( ( ( in @ A @ C )
          & ( in @ B @ D ) )
       => ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[278]) ).

thf(162,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation @ D )
     => ( ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
      <=> ( ( in @ A @ C )
          & ( in @ ( ordered_pair @ A @ B ) @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t74_relat_1) ).

thf(1064,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( relation @ D )
     => ( ( ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) )
         => ( ( in @ A @ C )
            & ( in @ ( ordered_pair @ A @ B ) @ D ) ) )
        & ( ( ( in @ A @ C )
            & ( in @ ( ordered_pair @ A @ B ) @ D ) )
         => ( in @ ( ordered_pair @ A @ B ) @ ( relation_composition @ ( identity_relation @ C ) @ D ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[162]) ).

thf(256,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( well_orders @ A @ ( relation_field @ A ) )
      <=> ( well_ordering @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_wellord1) ).

thf(1719,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( well_orders @ A @ ( relation_field @ A ) )
         => ( well_ordering @ A ) )
        & ( ( well_ordering @ A )
         => ( well_orders @ A @ ( relation_field @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[256]) ).

thf(79,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

thf(610,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ ( singleton @ B ) )
       => ( ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) ) )
      & ( ( ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
       => ( subset @ A @ ( singleton @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[79]) ).

thf(124,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( well_orders @ A @ B )
        <=> ( ( is_reflexive_in @ A @ B )
            & ( is_transitive_in @ A @ B )
            & ( is_antisymmetric_in @ A @ B )
            & ( is_connected_in @ A @ B )
            & ( is_well_founded_in @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_wellord1) ).

thf(783,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( well_orders @ A @ B )
           => ( ( is_reflexive_in @ A @ B )
              & ( is_transitive_in @ A @ B )
              & ( is_antisymmetric_in @ A @ B )
              & ( is_connected_in @ A @ B )
              & ( is_well_founded_in @ A @ B ) ) )
          & ( ( ( is_reflexive_in @ A @ B )
              & ( is_transitive_in @ A @ B )
              & ( is_antisymmetric_in @ A @ B )
              & ( is_connected_in @ A @ B )
              & ( is_well_founded_in @ A @ B ) )
           => ( well_orders @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[124]) ).

thf(152,axiom,
    ! [A: $i,B: $i] :
      ( ( ( empty @ A )
        & ( relation @ B ) )
     => ( ( empty @ ( relation_composition @ B @ A ) )
        & ( relation @ ( relation_composition @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc10_relat_1) ).

thf(980,plain,
    ! [A: $i,B: $i] :
      ( ( ( empty @ A )
        & ( relation @ B ) )
     => ( ( empty @ ( relation_composition @ B @ A ) )
        & ( relation @ ( relation_composition @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[152]) ).

thf(223,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ ( singleton @ B ) )
        = A )
    <=> ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_zfmisc_1) ).

thf(1498,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( set_difference @ A @ ( singleton @ B ) )
          = A )
       => ~ ( in @ B @ A ) )
      & ( ~ ( in @ B @ A )
       => ( ( set_difference @ A @ ( singleton @ B ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[223]) ).

thf(241,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_funct_1) ).

thf(1587,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[241]) ).

thf(157,axiom,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

thf(1028,plain,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[157]) ).

thf(287,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_dom @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_dom @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l29_wellord1) ).

thf(1942,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_dom @ ( relation_rng_restriction @ A @ B ) ) @ ( relation_dom @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[287]) ).

thf(95,axiom,
    ! [A: $i,B: $i] :
      ~ ( proper_subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',irreflexivity_r2_xboole_0) ).

thf(669,plain,
    ! [A: $i] :
      ~ ( proper_subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[95]) ).

thf(102,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( B = C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_zfmisc_1) ).

thf(686,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( B = C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[102]) ).

thf(86,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t17_xboole_1) ).

thf(642,plain,
    ! [A: $i,B: $i] : ( subset @ ( set_intersection2 @ A @ B ) @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[86]) ).

thf(240,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( function @ A )
        & ( relation @ B )
        & ( function @ B ) )
     => ( ( relation @ ( relation_composition @ A @ B ) )
        & ( function @ ( relation_composition @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_funct_1) ).

thf(1584,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( function @ A )
        & ( relation @ B )
        & ( function @ B ) )
     => ( ( relation @ ( relation_composition @ A @ B ) )
        & ( function @ ( relation_composition @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[240]) ).

thf(272,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( B
            = ( relation_rng @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_relat_1) ).

thf(1791,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( B
              = ( relation_rng @ A ) )
           => ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A ) )
                & ( ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A )
                 => ( in @ C @ B ) ) ) )
          & ( ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A ) )
                & ( ? [D: $i] : ( in @ ( ordered_pair @ D @ C ) @ A )
                 => ( in @ C @ B ) ) )
           => ( B
              = ( relation_rng @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[272]) ).

thf(189,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( in @ C @ A )
        | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_zfmisc_1) ).

thf(1214,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( in @ C @ A )
        | ( subset @ A @ ( set_difference @ B @ ( singleton @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[189]) ).

thf(109,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k7_setfam_1) ).

thf(706,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( complements_of_subsets @ A @ B ) @ ( powerset @ ( powerset @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[109]) ).

thf(253,axiom,
    ! [A: $i] :
      ( ( epsilon_connected @ A )
    <=> ! [B: $i,C: $i] :
          ~ ( ( in @ B @ A )
            & ( in @ C @ A )
            & ~ ( in @ B @ C )
            & ( B != C )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_ordinal1) ).

thf(1700,plain,
    ! [A: $i] :
      ( ( ( epsilon_connected @ A )
       => ! [B: $i,C: $i] :
            ~ ( ( in @ B @ A )
              & ( in @ C @ A )
              & ~ ( in @ B @ C )
              & ( B != C )
              & ~ ( in @ C @ B ) ) )
      & ( ! [B: $i,C: $i] :
            ~ ( ( in @ B @ A )
              & ( in @ C @ A )
              & ~ ( in @ B @ C )
              & ( B != C )
              & ~ ( in @ C @ B ) )
       => ( epsilon_connected @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[253]) ).

thf(42,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k3_subset_1) ).

thf(489,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( element @ ( subset_complement @ A @ B ) @ ( powerset @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(50,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(515,plain,
    ! [A: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(209,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( relation_rng @ ( relation_composition @ A @ B ) )
            = ( relation_image @ B @ ( relation_rng @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t160_relat_1) ).

thf(1382,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( relation_rng @ ( relation_composition @ A @ B ) )
            = ( relation_image @ B @ ( relation_rng @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[209]) ).

thf(192,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ ( powerset @ A ) ) )
         => ( ( C
              = ( complements_of_subsets @ A @ B ) )
          <=> ! [D: $i] :
                ( ( element @ D @ ( powerset @ A ) )
               => ( ( in @ D @ C )
                <=> ( in @ ( subset_complement @ A @ D ) @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_setfam_1) ).

thf(1231,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ ( powerset @ A ) ) )
         => ( ( ( C
                = ( complements_of_subsets @ A @ B ) )
             => ! [D: $i] :
                  ( ( element @ D @ ( powerset @ A ) )
                 => ( ( ( in @ D @ C )
                     => ( in @ ( subset_complement @ A @ D ) @ B ) )
                    & ( ( in @ ( subset_complement @ A @ D ) @ B )
                     => ( in @ D @ C ) ) ) ) )
            & ( ! [D: $i] :
                  ( ( element @ D @ ( powerset @ A ) )
                 => ( ( ( in @ D @ C )
                     => ( in @ ( subset_complement @ A @ D ) @ B ) )
                    & ( ( in @ ( subset_complement @ A @ D ) @ B )
                     => ( in @ D @ C ) ) ) )
             => ( C
                = ( complements_of_subsets @ A @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[192]) ).

thf(327,axiom,
    ! [A: $i] :
      ( ( relation @ A )
    <=> ! [B: $i] :
          ~ ( ( in @ B @ A )
            & ! [C: $i,D: $i] :
                ( B
               != ( ordered_pair @ C @ D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_1) ).

thf(2243,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
       => ! [B: $i] :
            ~ ( ( in @ B @ A )
              & ! [C: $i,D: $i] :
                  ( B
                 != ( ordered_pair @ C @ D ) ) ) )
      & ( ! [B: $i] :
            ~ ( ( in @ B @ A )
              & ! [C: $i,D: $i] :
                  ( B
                 != ( ordered_pair @ C @ D ) ) )
       => ( relation @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[327]) ).

thf(139,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_subset) ).

thf(911,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[139]) ).

thf(254,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( ( well_ordering @ A )
                  & ( relation_isomorphism @ A @ B @ C ) )
               => ( well_ordering @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_wellord1) ).

thf(1715,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( ( well_ordering @ A )
                  & ( relation_isomorphism @ A @ B @ C ) )
               => ( well_ordering @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[254]) ).

thf(292,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ ( ordered_pair @ A @ B ) @ C )
      <=> ( ( in @ A @ ( relation_dom @ C ) )
          & ( B
            = ( apply @ C @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_funct_1) ).

thf(1979,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( ( in @ ( ordered_pair @ A @ B ) @ C )
         => ( ( in @ A @ ( relation_dom @ C ) )
            & ( B
              = ( apply @ C @ A ) ) ) )
        & ( ( ( in @ A @ ( relation_dom @ C ) )
            & ( B
              = ( apply @ C @ A ) ) )
         => ( in @ ( ordered_pair @ A @ B ) @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[292]) ).

thf(316,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_subset_1) ).

thf(2140,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ A ) )
     => ~ ( ( in @ B @ ( subset_complement @ A @ C ) )
          & ( in @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[316]) ).

thf(77,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(605,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[77]) ).

thf(88,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
    <=> ( relation_of2 @ C @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_m2_relset_1) ).

thf(647,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation_of2_as_subset @ C @ A @ B )
       => ( relation_of2 @ C @ A @ B ) )
      & ( ( relation_of2 @ C @ A @ B )
       => ( relation_of2_as_subset @ C @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[88]) ).

thf(195,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( subset @ ( fiber @ ( relation_restriction @ C @ A ) @ B ) @ ( fiber @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_wellord1) ).

thf(1263,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( subset @ ( fiber @ ( relation_restriction @ C @ A ) @ B ) @ ( fiber @ C @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[195]) ).

thf(279,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_dom @ A ) @ ( relation_rng @ B ) )
           => ( ( relation_rng @ ( relation_composition @ B @ A ) )
              = ( relation_rng @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t47_relat_1) ).

thf(1857,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_dom @ A ) @ ( relation_rng @ B ) )
           => ( ( relation_rng @ ( relation_composition @ B @ A ) )
              = ( relation_rng @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[279]) ).

thf(125,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) )
     => ( relation @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_relset_1) ).

thf(792,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) )
     => ( relation @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[125]) ).

thf(274,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( B
              = ( relation_inverse @ A ) )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ B )
              <=> ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_relat_1) ).

thf(1814,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( ( B
                = ( relation_inverse @ A ) )
             => ! [C: $i,D: $i] :
                  ( ( ( in @ ( ordered_pair @ C @ D ) @ B )
                   => ( in @ ( ordered_pair @ D @ C ) @ A ) )
                  & ( ( in @ ( ordered_pair @ D @ C ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) )
            & ( ! [C: $i,D: $i] :
                  ( ( ( in @ ( ordered_pair @ C @ D ) @ B )
                   => ( in @ ( ordered_pair @ D @ C ) @ A ) )
                  & ( ( in @ ( ordered_pair @ D @ C ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) )
             => ( B
                = ( relation_inverse @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[274]) ).

thf(83,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_union2 @ A @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_xboole_1) ).

thf(633,plain,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
     => ( ( set_union2 @ A @ B )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[83]) ).

thf(127,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ A @ B )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ A )
               => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_relat_1) ).

thf(805,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( ( subset @ A @ B )
             => ! [C: $i,D: $i] :
                  ( ( in @ ( ordered_pair @ C @ D ) @ A )
                 => ( in @ ( ordered_pair @ C @ D ) @ B ) ) )
            & ( ! [C: $i,D: $i] :
                  ( ( in @ ( ordered_pair @ C @ D ) @ A )
                 => ( in @ ( ordered_pair @ C @ D ) @ B ) )
             => ( subset @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[127]) ).

thf(48,axiom,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_zfmisc_1) ).

thf(508,plain,
    ! [A: $i] :
      ( ( union @ ( powerset @ A ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(56,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(541,plain,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[56]) ).

thf(306,axiom,
    ! [A: $i] :
      ( ( A != empty_set )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ A )
             => ( ~ ( in @ C @ B )
               => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t50_subset_1) ).

thf(2076,plain,
    ! [A: $i] :
      ( ( A != empty_set )
     => ! [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
         => ! [C: $i] :
              ( ( element @ C @ A )
             => ( ~ ( in @ C @ B )
               => ( in @ C @ ( subset_complement @ A @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[306]) ).

thf(164,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
        <=> ( in @ C @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_tarski) ).

thf(1071,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( ( in @ C @ A )
           => ( in @ C @ B ) )
          & ( ( in @ C @ B )
           => ( in @ C @ A ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[164]) ).

thf(175,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( is_reflexive_in @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
             => ( in @ ( ordered_pair @ C @ C ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relat_2) ).

thf(1167,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( is_reflexive_in @ A @ B )
           => ! [C: $i] :
                ( ( in @ C @ B )
               => ( in @ ( ordered_pair @ C @ C ) @ A ) ) )
          & ( ! [C: $i] :
                ( ( in @ C @ B )
               => ( in @ ( ordered_pair @ C @ C ) @ A ) )
           => ( is_reflexive_in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[175]) ).

thf(93,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( relation_of2 @ C @ A @ B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_relset_1) ).

thf(662,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( relation_of2 @ C @ A @ B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[93]) ).

thf(235,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A )
      & ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_ordinal1) ).

thf(1563,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A )
      & ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[235]) ).

thf(91,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( B != empty_set )
       => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
          = ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( meet_of_subsets @ A @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_setfam_1) ).

thf(657,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( B != empty_set )
       => ( ( union_of_subsets @ A @ ( complements_of_subsets @ A @ B ) )
          = ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( meet_of_subsets @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[91]) ).

thf(180,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_wellord1) ).

thf(1187,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ A )
     => ( relation @ ( relation_restriction @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[180]) ).

thf(97,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( disjoint @ B @ C ) )
     => ( disjoint @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t63_xboole_1) ).

thf(674,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( disjoint @ B @ C ) )
     => ( disjoint @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[97]) ).

thf(126,axiom,
    ! [A: $i] :
      ( ? [B: $i,C: $i] :
          ( A
          = ( ordered_pair @ B @ C ) )
     => ! [B: $i] :
          ( ( B
            = ( pair_first @ A ) )
        <=> ! [C: $i,D: $i] :
              ( ( A
                = ( ordered_pair @ C @ D ) )
             => ( B = C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_mcart_1) ).

thf(794,plain,
    ! [A: $i] :
      ( ? [B: $i,C: $i] :
          ( A
          = ( ordered_pair @ B @ C ) )
     => ! [B: $i] :
          ( ( ( B
              = ( pair_first @ A ) )
           => ! [C: $i,D: $i] :
                ( ( A
                  = ( ordered_pair @ C @ D ) )
               => ( B = C ) ) )
          & ( ! [C: $i,D: $i] :
                ( ( A
                  = ( ordered_pair @ C @ D ) )
               => ( B = C ) )
           => ( B
              = ( pair_first @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[126]) ).

thf(70,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_xboole_1) ).

thf(586,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( subset @ ( set_difference @ A @ C ) @ ( set_difference @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[70]) ).

thf(149,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ( one_to_one @ ( function_inverse @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t62_funct_1) ).

thf(965,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ( one_to_one @ ( function_inverse @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[149]) ).

thf(299,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t45_relat_1) ).

thf(2033,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_rng @ ( relation_composition @ A @ B ) ) @ ( relation_rng @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[299]) ).

thf(135,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( transitive @ A )
      <=> ! [B: $i,C: $i,D: $i] :
            ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
              & ( in @ ( ordered_pair @ C @ D ) @ A ) )
           => ( in @ ( ordered_pair @ B @ D ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_wellord1) ).

thf(856,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( transitive @ A )
         => ! [B: $i,C: $i,D: $i] :
              ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                & ( in @ ( ordered_pair @ C @ D ) @ A ) )
             => ( in @ ( ordered_pair @ B @ D ) @ A ) ) )
        & ( ! [B: $i,C: $i,D: $i] :
              ( ( ( in @ ( ordered_pair @ B @ C ) @ A )
                & ( in @ ( ordered_pair @ C @ D ) @ A ) )
             => ( in @ ( ordered_pair @ B @ D ) @ A ) )
         => ( transitive @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[135]) ).

thf(243,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( relation @ ( function_inverse @ A ) )
        & ( function @ ( function_inverse @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_funct_1) ).

thf(1595,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( relation @ ( function_inverse @ A ) )
        & ( function @ ( function_inverse @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[243]) ).

thf(67,axiom,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
    <=> ( ( subset @ A @ B )
        & ( A != B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_xboole_0) ).

thf(573,plain,
    ! [A: $i,B: $i] :
      ( ( ( proper_subset @ A @ B )
       => ( ( subset @ A @ B )
          & ( A != B ) ) )
      & ( ( ( subset @ A @ B )
          & ( A != B ) )
       => ( proper_subset @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[67]) ).

thf(103,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(689,plain,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[103]) ).

thf(28,axiom,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_subset_1) ).

thf(444,plain,
    ! [A: $i] :
      ( ~ ( empty @ A )
     => ? [B: $i] :
          ( ( element @ B @ ( powerset @ A ) )
          & ~ ( empty @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(375,plain,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(330,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_image @ B @ A ) @ ( relation_rng @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t144_relat_1) ).

thf(2260,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_image @ B @ A ) @ ( relation_rng @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[330]) ).

thf(313,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( relation_composition @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_relat_1) ).

thf(2121,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( relation_composition @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[313]) ).

thf(318,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( D
        = ( unordered_triple @ A @ B @ C ) )
    <=> ! [E: $i] :
          ( ( in @ E @ D )
        <=> ~ ( ( E != A )
              & ( E != B )
              & ( E != C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_enumset1) ).

thf(2144,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( D
          = ( unordered_triple @ A @ B @ C ) )
       => ! [E: $i] :
            ( ( ( in @ E @ D )
             => ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) ) )
            & ( ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) )
             => ( in @ E @ D ) ) ) )
      & ( ! [E: $i] :
            ( ( ( in @ E @ D )
             => ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) ) )
            & ( ~ ( ( E != A )
                  & ( E != B )
                  & ( E != C ) )
             => ( in @ E @ D ) ) )
       => ( D
          = ( unordered_triple @ A @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[318]) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(425,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ( ( subset @ A @ B )
          & ( subset @ B @ A ) ) )
      & ( ( ( subset @ A @ B )
          & ( subset @ B @ A ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(319,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l71_subset_1) ).

thf(2176,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) )
     => ( element @ A @ ( powerset @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[319]) ).

thf(69,axiom,
    ! [A: $i] : ( antisymmetric @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t5_wellord2) ).

thf(584,plain,
    ! [A: $i] : ( antisymmetric @ ( inclusion_relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[69]) ).

thf(130,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) )
       => ( ( apply @ ( relation_dom_restriction @ C @ A ) @ B )
          = ( apply @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t70_funct_1) ).

thf(819,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) )
       => ( ( apply @ ( relation_dom_restriction @ C @ A ) @ B )
          = ( apply @ C @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[130]) ).

thf(63,axiom,
    ! [A: $i] :
      ( ( set_difference @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

thf(562,plain,
    ! [A: $i] :
      ( ( set_difference @ A @ empty_set )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[63]) ).

thf(105,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
      <=> ( subset @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_r1_ordinal1) ).

thf(694,plain,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ( ordinal_subset @ A @ B )
         => ( subset @ A @ B ) )
        & ( ( subset @ A @ B )
         => ( ordinal_subset @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[105]) ).

thf(17,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( ( relation_dom_as_subset @ A @ B @ C )
        = ( relation_dom @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k4_relset_1) ).

thf(402,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( ( relation_dom_as_subset @ A @ B @ C )
        = ( relation_dom @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(325,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_funct_1) ).

thf(2225,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[325]) ).

thf(250,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_relat_1) ).

thf(1652,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_union2 @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[250]) ).

thf(111,axiom,
    ! [A: $i] :
      ( ( set_intersection2 @ A @ empty_set )
      = empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_boole) ).

thf(711,plain,
    ! [A: $i] :
      ( ( set_intersection2 @ A @ empty_set )
      = empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[111]) ).

thf(228,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i] :
          ( ( B
            = ( relation_rng @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] :
                  ( ( in @ D @ ( relation_dom @ A ) )
                  & ( C
                    = ( apply @ A @ D ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_funct_1) ).

thf(1520,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i] :
          ( ( ( B
              = ( relation_rng @ A ) )
           => ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ? [D: $i] :
                      ( ( in @ D @ ( relation_dom @ A ) )
                      & ( C
                        = ( apply @ A @ D ) ) ) )
                & ( ? [D: $i] :
                      ( ( in @ D @ ( relation_dom @ A ) )
                      & ( C
                        = ( apply @ A @ D ) ) )
                 => ( in @ C @ B ) ) ) )
          & ( ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ? [D: $i] :
                      ( ( in @ D @ ( relation_dom @ A ) )
                      & ( C
                        = ( apply @ A @ D ) ) ) )
                & ( ? [D: $i] :
                      ( ( in @ D @ ( relation_dom @ A ) )
                      & ( C
                        = ( apply @ A @ D ) ) )
                 => ( in @ C @ B ) ) )
           => ( B
              = ( relation_rng @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[228]) ).

thf(171,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( in @ B @ C )
        & ( in @ C @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_ordinal1) ).

thf(1124,plain,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( in @ B @ C )
        & ( in @ C @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[171]) ).

thf(269,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_rng @ A ) @ ( relation_dom @ B ) )
           => ( ( relation_dom @ ( relation_composition @ A @ B ) )
              = ( relation_dom @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_relat_1) ).

thf(1784,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( subset @ ( relation_rng @ A ) @ ( relation_dom @ B ) )
           => ( ( relation_dom @ ( relation_composition @ A @ B ) )
              = ( relation_dom @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[269]) ).

thf(212,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

thf(1389,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) ) )
      & ( ! [C: $i] :
            ( ( in @ C @ A )
           => ( in @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[212]) ).

thf(46,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ~ ( ~ ( being_limit_ordinal @ A )
            & ! [B: $i] :
                ( ( ordinal @ B )
               => ( A
                 != ( succ @ B ) ) ) )
        & ~ ( ? [B: $i] :
                ( ( ordinal @ B )
                & ( A
                  = ( succ @ B ) ) )
            & ( being_limit_ordinal @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t42_ordinal1) ).

thf(498,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ~ ( ~ ( being_limit_ordinal @ A )
            & ! [B: $i] :
                ( ( ordinal @ B )
               => ( A
                 != ( succ @ B ) ) ) )
        & ~ ( ? [B: $i] :
                ( ( ordinal @ B )
                & ( A
                  = ( succ @ B ) ) )
            & ( being_limit_ordinal @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(260,axiom,
    ! [A: $i,B: $i] :
      ( ( ( empty @ A )
        & ( relation @ B ) )
     => ( ( empty @ ( relation_composition @ A @ B ) )
        & ( relation @ ( relation_composition @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc9_relat_1) ).

thf(1733,plain,
    ! [A: $i,B: $i] :
      ( ( ( empty @ A )
        & ( relation @ B ) )
     => ( ( empty @ ( relation_composition @ A @ B ) )
        & ( relation @ ( relation_composition @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[260]) ).

thf(35,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
        | ( ordinal_subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',connectedness_r1_ordinal1) ).

thf(466,plain,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
        | ( ordinal_subset @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(263,axiom,
    ! [A: $i] :
      ( ? [B: $i] :
          ( ( ordinal @ B )
          & ( in @ B @ A ) )
     => ? [B: $i] :
          ( ( ordinal @ B )
          & ( in @ B @ A )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ( ( in @ C @ A )
               => ( ordinal_subset @ B @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_ordinal1__e8_6__wellord2) ).

thf(1765,plain,
    ! [A: $i] :
      ( ? [B: $i] :
          ( ( ordinal @ B )
          & ( in @ B @ A ) )
     => ? [B: $i] :
          ( ( ordinal @ B )
          & ( in @ B @ A )
          & ! [C: $i] :
              ( ( ordinal @ C )
             => ( ( in @ C @ A )
               => ( ordinal_subset @ B @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[263]) ).

thf(147,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
      & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

thf(947,plain,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
      & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
          & ( disjoint @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[147]) ).

thf(205,axiom,
    ! [A: $i] :
      ( ? [B: $i,C: $i] :
          ( A
          = ( ordered_pair @ B @ C ) )
     => ! [B: $i] :
          ( ( B
            = ( pair_second @ A ) )
        <=> ! [C: $i,D: $i] :
              ( ( A
                = ( ordered_pair @ C @ D ) )
             => ( B = D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_mcart_1) ).

thf(1356,plain,
    ! [A: $i] :
      ( ? [B: $i,C: $i] :
          ( A
          = ( ordered_pair @ B @ C ) )
     => ! [B: $i] :
          ( ( ( B
              = ( pair_second @ A ) )
           => ! [C: $i,D: $i] :
                ( ( A
                  = ( ordered_pair @ C @ D ) )
               => ( B = D ) ) )
          & ( ! [C: $i,D: $i] :
                ( ( A
                  = ( ordered_pair @ C @ D ) )
               => ( B = D ) )
           => ( B
              = ( pair_second @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[205]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(350,plain,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(96,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(672,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[96]) ).

thf(120,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( well_ordering @ A )
      <=> ( ( reflexive @ A )
          & ( transitive @ A )
          & ( antisymmetric @ A )
          & ( connected @ A )
          & ( well_founded_relation @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_wellord1) ).

thf(764,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( well_ordering @ A )
         => ( ( reflexive @ A )
            & ( transitive @ A )
            & ( antisymmetric @ A )
            & ( connected @ A )
            & ( well_founded_relation @ A ) ) )
        & ( ( ( reflexive @ A )
            & ( transitive @ A )
            & ( antisymmetric @ A )
            & ( connected @ A )
            & ( well_founded_relation @ A ) )
         => ( well_ordering @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[120]) ).

thf(182,axiom,
    ! [A: $i] : ( relation @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_wellord2) ).

thf(1194,plain,
    ! [A: $i] : ( relation @ ( inclusion_relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[182]) ).

thf(307,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_difference @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ~ ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

thf(2079,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C
          = ( set_difference @ A @ B ) )
       => ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                & ~ ( in @ D @ B ) )
             => ( in @ D @ C ) ) ) )
      & ( ! [D: $i] :
            ( ( ( in @ D @ C )
             => ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) )
            & ( ( ( in @ D @ A )
                & ~ ( in @ D @ B ) )
             => ( in @ D @ C ) ) )
       => ( C
          = ( set_difference @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[307]) ).

thf(100,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(681,plain,
    ! [A: $i] : ( subset @ empty_set @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[100]) ).

thf(169,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( ( one_to_one @ B )
          & ( in @ A @ ( relation_rng @ B ) ) )
       => ( ( A
            = ( apply @ B @ ( apply @ ( function_inverse @ B ) @ A ) ) )
          & ( A
            = ( apply @ ( relation_composition @ ( function_inverse @ B ) @ B ) @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t57_funct_1) ).

thf(1117,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( ( ( one_to_one @ B )
          & ( in @ A @ ( relation_rng @ B ) ) )
       => ( ( A
            = ( apply @ B @ ( apply @ ( function_inverse @ B ) @ A ) ) )
          & ( A
            = ( apply @ ( relation_composition @ ( function_inverse @ B ) @ B ) @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[169]) ).

thf(242,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ ( unordered_pair @ A @ B ) @ C )
    <=> ( ( in @ A @ C )
        & ( in @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t38_zfmisc_1) ).

thf(1589,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ ( unordered_pair @ A @ B ) @ C )
       => ( ( in @ A @ C )
          & ( in @ B @ C ) ) )
      & ( ( ( in @ A @ C )
          & ( in @ B @ C ) )
       => ( subset @ ( unordered_pair @ A @ B ) @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[242]) ).

thf(257,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) )
      <=> ( ( in @ B @ ( relation_dom @ C ) )
          & ( in @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l82_funct_1) ).

thf(1722,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) )
         => ( ( in @ B @ ( relation_dom @ C ) )
            & ( in @ B @ A ) ) )
        & ( ( ( in @ B @ ( relation_dom @ C ) )
            & ( in @ B @ A ) )
         => ( in @ B @ ( relation_dom @ ( relation_dom_restriction @ C @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[257]) ).

thf(311,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l50_zfmisc_1) ).

thf(2116,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[311]) ).

thf(117,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( B
          = ( identity_relation @ A ) )
      <=> ! [C: $i,D: $i] :
            ( ( in @ ( ordered_pair @ C @ D ) @ B )
          <=> ( ( in @ C @ A )
              & ( C = D ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_relat_1) ).

thf(737,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( ( B
            = ( identity_relation @ A ) )
         => ! [C: $i,D: $i] :
              ( ( ( in @ ( ordered_pair @ C @ D ) @ B )
               => ( ( in @ C @ A )
                  & ( C = D ) ) )
              & ( ( ( in @ C @ A )
                  & ( C = D ) )
               => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) )
        & ( ! [C: $i,D: $i] :
              ( ( ( in @ ( ordered_pair @ C @ D ) @ B )
               => ( ( in @ C @ A )
                  & ( C = D ) ) )
              & ( ( ( in @ C @ A )
                  & ( C = D ) )
               => ( in @ ( ordered_pair @ C @ D ) @ B ) ) )
         => ( B
            = ( identity_relation @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[117]) ).

thf(170,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(1122,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[170]) ).

thf(137,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( A = B )
          <=> ! [C: $i,D: $i] :
                ( ( in @ ( ordered_pair @ C @ D ) @ A )
              <=> ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_relat_1) ).

thf(863,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( ( ( A = B )
             => ! [C: $i,D: $i] :
                  ( ( ( in @ ( ordered_pair @ C @ D ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) )
                  & ( ( in @ ( ordered_pair @ C @ D ) @ B )
                   => ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) )
            & ( ! [C: $i,D: $i] :
                  ( ( ( in @ ( ordered_pair @ C @ D ) @ A )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) )
                  & ( ( in @ ( ordered_pair @ C @ D ) @ B )
                   => ( in @ ( ordered_pair @ C @ D ) @ A ) ) )
             => ( A = B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[137]) ).

thf(221,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( ( well_ordering @ B )
          & ( subset @ A @ ( relation_field @ B ) ) )
       => ( ( relation_field @ ( relation_restriction @ B @ A ) )
          = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_wellord1) ).

thf(1492,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( ( well_ordering @ B )
          & ( subset @ A @ ( relation_field @ B ) ) )
       => ( ( relation_field @ ( relation_restriction @ B @ A ) )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[221]) ).

thf(245,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_m2_relset_1) ).

thf(1603,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[245]) ).

thf(236,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t44_relat_1) ).

thf(1571,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ( subset @ ( relation_dom @ ( relation_composition @ A @ B ) ) @ ( relation_dom @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[236]) ).

thf(75,axiom,
    ! [A: $i] :
      ~ ( empty @ ( succ @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_ordinal1) ).

thf(599,plain,
    ! [A: $i] :
      ~ ( empty @ ( succ @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[75]) ).

thf(38,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc1_ordinal1) ).

thf(477,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(321,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ! [B: $i] :
            ( ( ( relation @ B )
              & ( function @ B ) )
           => ( ( B
                = ( function_inverse @ A ) )
            <=> ( ( ( relation_dom @ B )
                  = ( relation_rng @ A ) )
                & ! [C: $i,D: $i] :
                    ( ( ( ( in @ C @ ( relation_rng @ A ) )
                        & ( D
                          = ( apply @ B @ C ) ) )
                     => ( ( in @ D @ ( relation_dom @ A ) )
                        & ( C
                          = ( apply @ A @ D ) ) ) )
                    & ( ( ( in @ D @ ( relation_dom @ A ) )
                        & ( C
                          = ( apply @ A @ D ) ) )
                     => ( ( in @ C @ ( relation_rng @ A ) )
                        & ( D
                          = ( apply @ B @ C ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t54_funct_1) ).

thf(2182,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ! [B: $i] :
            ( ( ( relation @ B )
              & ( function @ B ) )
           => ( ( ( B
                  = ( function_inverse @ A ) )
               => ( ( ( relation_dom @ B )
                    = ( relation_rng @ A ) )
                  & ! [C: $i,D: $i] :
                      ( ( ( ( in @ C @ ( relation_rng @ A ) )
                          & ( D
                            = ( apply @ B @ C ) ) )
                       => ( ( in @ D @ ( relation_dom @ A ) )
                          & ( C
                            = ( apply @ A @ D ) ) ) )
                      & ( ( ( in @ D @ ( relation_dom @ A ) )
                          & ( C
                            = ( apply @ A @ D ) ) )
                       => ( ( in @ C @ ( relation_rng @ A ) )
                          & ( D
                            = ( apply @ B @ C ) ) ) ) ) ) )
              & ( ( ( ( relation_dom @ B )
                    = ( relation_rng @ A ) )
                  & ! [C: $i,D: $i] :
                      ( ( ( ( in @ C @ ( relation_rng @ A ) )
                          & ( D
                            = ( apply @ B @ C ) ) )
                       => ( ( in @ D @ ( relation_dom @ A ) )
                          & ( C
                            = ( apply @ A @ D ) ) ) )
                      & ( ( ( in @ D @ ( relation_dom @ A ) )
                          & ( C
                            = ( apply @ A @ D ) ) )
                       => ( ( in @ C @ ( relation_rng @ A ) )
                          & ( D
                            = ( apply @ B @ C ) ) ) ) ) )
               => ( B
                  = ( function_inverse @ A ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[321]) ).

thf(82,axiom,
    ( ( powerset @ empty_set )
    = ( singleton @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

thf(631,plain,
    ( ( powerset @ empty_set )
    = ( singleton @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[82]) ).

thf(118,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l23_zfmisc_1) ).

thf(758,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[118]) ).

thf(60,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ C @ D ) )
        & ( A != C )
        & ( A != D ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_zfmisc_1) ).

thf(552,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ~ ( ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ C @ D ) )
        & ( A != C )
        & ( A != D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[60]) ).

thf(129,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_relat_1) ).

thf(816,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( relation_empty_yielding @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[129]) ).

thf(281,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( empty @ A )
      & ( function @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_funct_1) ).

thf(1862,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( empty @ A )
      & ( function @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[281]) ).

thf(107,axiom,
    ! [A: $i] :
      ( ( succ @ A )
      = ( set_union2 @ A @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_ordinal1) ).

thf(700,plain,
    ! [A: $i] :
      ( ( succ @ A )
      = ( set_union2 @ A @ ( singleton @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[107]) ).

thf(328,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_field @ A )
        = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_relat_1) ).

thf(2252,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_field @ A )
        = ( set_union2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[328]) ).

thf(146,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( is_antisymmetric_in @ A @ B )
        <=> ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( in @ D @ B )
                & ( in @ ( ordered_pair @ C @ D ) @ A )
                & ( in @ ( ordered_pair @ D @ C ) @ A ) )
             => ( C = D ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_relat_2) ).

thf(932,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( is_antisymmetric_in @ A @ B )
           => ! [C: $i,D: $i] :
                ( ( ( in @ C @ B )
                  & ( in @ D @ B )
                  & ( in @ ( ordered_pair @ C @ D ) @ A )
                  & ( in @ ( ordered_pair @ D @ C ) @ A ) )
               => ( C = D ) ) )
          & ( ! [C: $i,D: $i] :
                ( ( ( in @ C @ B )
                  & ( in @ D @ B )
                  & ( in @ ( ordered_pair @ C @ D ) @ A )
                  & ( in @ ( ordered_pair @ D @ C ) @ A ) )
               => ( C = D ) )
           => ( is_antisymmetric_in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[146]) ).

thf(259,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_rng @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc6_relat_1) ).

thf(1731,plain,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_rng @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[259]) ).

thf(73,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ B @ C ) )
     => ( subset @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_xboole_1) ).

thf(594,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ B @ C ) )
     => ( subset @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[73]) ).

thf(153,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( connected @ A )
      <=> ! [B: $i,C: $i] :
            ~ ( ( in @ B @ ( relation_field @ A ) )
              & ( in @ C @ ( relation_field @ A ) )
              & ( B != C )
              & ~ ( in @ ( ordered_pair @ B @ C ) @ A )
              & ~ ( in @ ( ordered_pair @ C @ B ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_wellord1) ).

thf(983,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( connected @ A )
         => ! [B: $i,C: $i] :
              ~ ( ( in @ B @ ( relation_field @ A ) )
                & ( in @ C @ ( relation_field @ A ) )
                & ( B != C )
                & ~ ( in @ ( ordered_pair @ B @ C ) @ A )
                & ~ ( in @ ( ordered_pair @ C @ B ) @ A ) ) )
        & ( ! [B: $i,C: $i] :
              ~ ( ( in @ B @ ( relation_field @ A ) )
                & ( in @ C @ ( relation_field @ A ) )
                & ( B != C )
                & ~ ( in @ ( ordered_pair @ B @ C ) @ A )
                & ~ ( in @ ( ordered_pair @ C @ B ) @ A ) )
         => ( connected @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[153]) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ( ( disjoint @ B @ C )
          <=> ( subset @ B @ ( subset_complement @ A @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t43_subset_1) ).

thf(399,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( element @ C @ ( powerset @ A ) )
         => ( ( ( disjoint @ B @ C )
             => ( subset @ B @ ( subset_complement @ A @ C ) ) )
            & ( ( subset @ B @ ( subset_complement @ A @ C ) )
             => ( disjoint @ B @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(123,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(780,plain,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[123]) ).

thf(177,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( ( relation_dom @ A )
            = empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t64_relat_1) ).

thf(1176,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( ( relation_dom @ A )
            = empty_set )
          | ( ( relation_rng @ A )
            = empty_set ) )
       => ( A = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[177]) ).

thf(266,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( disjoint @ ( singleton @ A ) @ B )
        & ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

thf(1775,plain,
    ! [A: $i,B: $i] :
      ~ ( ( disjoint @ ( singleton @ A ) @ B )
        & ( in @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[266]) ).

thf(258,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_rng @ A )
          = ( relation_dom @ ( relation_inverse @ A ) ) )
        & ( ( relation_dom @ A )
          = ( relation_rng @ ( relation_inverse @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_relat_1) ).

thf(1726,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( relation_rng @ A )
          = ( relation_dom @ ( relation_inverse @ A ) ) )
        & ( ( relation_dom @ A )
          = ( relation_rng @ ( relation_inverse @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[258]) ).

thf(47,axiom,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

thf(505,plain,
    ! [A: $i] :
      ~ ( empty @ ( powerset @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(184,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ( ( in @ A @ B )
          <=> ( ordinal_subset @ ( succ @ A ) @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_ordinal1) ).

thf(1198,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ( ( ( in @ A @ B )
             => ( ordinal_subset @ ( succ @ A ) @ B ) )
            & ( ( ordinal_subset @ ( succ @ A ) @ B )
             => ( in @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[184]) ).

thf(213,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_zfmisc_1) ).

thf(1396,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( ( set_union2 @ ( singleton @ A ) @ B )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[213]) ).

thf(304,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ B )
        & ( relation @ C )
        & ( function @ C ) )
     => ( ! [D: $i,E: $i,F: $i] :
            ( ( ( D = E )
              & ? [G: $i,H: $i] :
                  ( ( E
                    = ( ordered_pair @ G @ H ) )
                  & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) )
              & ( D = F )
              & ? [G: $i,H: $i] :
                  ( ( F
                    = ( ordered_pair @ G @ H ) )
                  & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) ) )
           => ( E = F ) )
       => ? [D: $i] :
          ! [E: $i] :
            ( ( in @ E @ D )
          <=> ? [F: $i] :
                ( ( in @ F @ ( cartesian_product2 @ A @ A ) )
                & ( F = E )
                & ? [G: $i,H: $i] :
                    ( ( E
                      = ( ordered_pair @ G @ H ) )
                    & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_tarski__e6_21__wellord2__1) ).

thf(2051,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ B )
        & ( relation @ C )
        & ( function @ C ) )
     => ( ! [D: $i,E: $i,F: $i] :
            ( ( ( D = E )
              & ? [G: $i,H: $i] :
                  ( ( E
                    = ( ordered_pair @ G @ H ) )
                  & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) )
              & ( D = F )
              & ? [G: $i,H: $i] :
                  ( ( F
                    = ( ordered_pair @ G @ H ) )
                  & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) ) )
           => ( E = F ) )
       => ? [D: $i] :
          ! [E: $i] :
            ( ( ( in @ E @ D )
             => ? [F: $i] :
                  ( ( in @ F @ ( cartesian_product2 @ A @ A ) )
                  & ( F = E )
                  & ? [G: $i,H: $i] :
                      ( ( E
                        = ( ordered_pair @ G @ H ) )
                      & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) ) ) )
            & ( ? [F: $i] :
                  ( ( in @ F @ ( cartesian_product2 @ A @ A ) )
                  & ( F = E )
                  & ? [G: $i,H: $i] :
                      ( ( E
                        = ( ordered_pair @ G @ H ) )
                      & ( in @ ( ordered_pair @ ( apply @ C @ G ) @ ( apply @ C @ H ) ) @ B ) ) )
             => ( in @ E @ D ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[304]) ).

thf(84,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( ( subset @ ( relation_dom @ C ) @ A )
        & ( subset @ ( relation_rng @ C ) @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_relset_1) ).

thf(636,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( ( subset @ ( relation_dom @ C ) @ A )
        & ( subset @ ( relation_rng @ C ) @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[84]) ).

thf(161,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( singleton @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

thf(1044,plain,
    ! [A: $i,B: $i] :
      ( ( ( B
          = ( singleton @ A ) )
       => ! [C: $i] :
            ( ( ( in @ C @ B )
             => ( C = A ) )
            & ( ( C = A )
             => ( in @ C @ B ) ) ) )
      & ( ! [C: $i] :
            ( ( ( in @ C @ B )
             => ( C = A ) )
            & ( ( C = A )
             => ( in @ C @ B ) ) )
       => ( B
          = ( singleton @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[161]) ).

thf(247,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ D ) )
     => ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t119_zfmisc_1) ).

thf(1626,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ D ) )
     => ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ D ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[247]) ).

thf(289,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l3_subset_1) ).

thf(1948,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ! [C: $i] :
          ( ( in @ C @ B )
         => ( in @ C @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[289]) ).

thf(159,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t88_relat_1) ).

thf(1034,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_dom_restriction @ B @ A ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[159]) ).

thf(71,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_zfmisc_1) ).

thf(589,plain,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ ( singleton @ B ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[71]) ).

thf(144,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_subset) ).

thf(927,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[144]) ).

thf(41,axiom,
    ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

thf(487,plain,
    ! [A: $i,B: $i] : ( subset @ ( set_difference @ A @ B ) @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(165,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( reflexive @ A )
      <=> ! [B: $i] :
            ( ( in @ B @ ( relation_field @ A ) )
           => ( in @ ( ordered_pair @ B @ B ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_wellord1) ).

thf(1081,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( reflexive @ A )
         => ! [B: $i] :
              ( ( in @ B @ ( relation_field @ A ) )
             => ( in @ ( ordered_pair @ B @ B ) @ A ) ) )
        & ( ! [B: $i] :
              ( ( in @ B @ ( relation_field @ A ) )
             => ( in @ ( ordered_pair @ B @ B ) @ A ) )
         => ( reflexive @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[165]) ).

thf(178,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_restriction @ B @ A )
        = ( relation_rng_restriction @ A @ ( relation_dom_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t18_wellord1) ).

thf(1181,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_restriction @ B @ A )
        = ( relation_rng_restriction @ A @ ( relation_dom_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[178]) ).

thf(231,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_relat_1) ).

thf(1551,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( subset @ A @ ( cartesian_product2 @ ( relation_dom @ A ) @ ( relation_rng @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[231]) ).

thf(244,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation_empty_yielding @ A ) )
     => ( ( relation @ ( relation_dom_restriction @ A @ B ) )
        & ( relation_empty_yielding @ ( relation_dom_restriction @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc13_relat_1) ).

thf(1598,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation_empty_yielding @ A ) )
     => ( ( relation @ ( relation_dom_restriction @ A @ B ) )
        & ( relation_empty_yielding @ ( relation_dom_restriction @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[244]) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(414,plain,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(246,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( C
              = ( relation_dom_restriction @ A @ B ) )
          <=> ! [D: $i,E: $i] :
                ( ( in @ ( ordered_pair @ D @ E ) @ C )
              <=> ( ( in @ D @ B )
                  & ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d11_relat_1) ).

thf(1605,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( ( C
                = ( relation_dom_restriction @ A @ B ) )
             => ! [D: $i,E: $i] :
                  ( ( ( in @ ( ordered_pair @ D @ E ) @ C )
                   => ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) ) )
                  & ( ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) )
                   => ( in @ ( ordered_pair @ D @ E ) @ C ) ) ) )
            & ( ! [D: $i,E: $i] :
                  ( ( ( in @ ( ordered_pair @ D @ E ) @ C )
                   => ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) ) )
                  & ( ( ( in @ D @ B )
                      & ( in @ ( ordered_pair @ D @ E ) @ A ) )
                   => ( in @ ( ordered_pair @ D @ E ) @ C ) ) )
             => ( C
                = ( relation_dom_restriction @ A @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[246]) ).

thf(268,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_tarski) ).

thf(1780,plain,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[268]) ).

thf(197,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t117_relat_1) ).

thf(1267,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng_restriction @ A @ B ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[197]) ).

thf(154,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t2_subset) ).

thf(993,plain,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[154]) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_subset) ).

thf(370,plain,
    ! [A: $i,B: $i] :
      ( ( ( element @ A @ ( powerset @ B ) )
       => ( subset @ A @ B ) )
      & ( ( subset @ A @ B )
       => ( element @ A @ ( powerset @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(113,axiom,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t69_enumset1) ).

thf(717,plain,
    ! [A: $i] :
      ( ( unordered_pair @ A @ A )
      = ( singleton @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[113]) ).

thf(34,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( union_of_subsets @ A @ B )
        = ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_setfam_1) ).

thf(463,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( union_of_subsets @ A @ B )
        = ( union @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(275,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_inverse_image @ C @ B ) )
      <=> ? [D: $i] :
            ( ( in @ D @ ( relation_rng @ C ) )
            & ( in @ ( ordered_pair @ A @ D ) @ C )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t166_relat_1) ).

thf(1830,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( ( in @ A @ ( relation_inverse_image @ C @ B ) )
         => ? [D: $i] :
              ( ( in @ D @ ( relation_rng @ C ) )
              & ( in @ ( ordered_pair @ A @ D ) @ C )
              & ( in @ D @ B ) ) )
        & ( ? [D: $i] :
              ( ( in @ D @ ( relation_rng @ C ) )
              & ( in @ ( ordered_pair @ A @ D ) @ C )
              & ( in @ D @ B ) )
         => ( in @ A @ ( relation_inverse_image @ C @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[275]) ).

thf(166,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom @ ( relation_dom_restriction @ B @ A ) )
        = ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t90_relat_1) ).

thf(1085,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom @ ( relation_dom_restriction @ B @ A ) )
        = ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[166]) ).

thf(301,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t92_zfmisc_1) ).

thf(2044,plain,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( subset @ A @ ( union @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[301]) ).

thf(239,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ ( singleton @ A ) @ B )
    <=> ( in @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l2_zfmisc_1) ).

thf(1579,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ ( singleton @ A ) @ B )
       => ( in @ A @ B ) )
      & ( ( in @ A @ B )
       => ( subset @ ( singleton @ A ) @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[239]) ).

thf(57,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ A @ C ) )
     => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t19_xboole_1) ).

thf(544,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ A @ C ) )
     => ( subset @ A @ ( set_intersection2 @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[57]) ).

thf(108,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( B != empty_set )
       => ( ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( union_of_subsets @ A @ B ) )
          = ( meet_of_subsets @ A @ ( complements_of_subsets @ A @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t47_setfam_1) ).

thf(703,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( B != empty_set )
       => ( ( subset_difference @ A @ ( cast_to_subset @ A ) @ ( union_of_subsets @ A @ B ) )
          = ( meet_of_subsets @ A @ ( complements_of_subsets @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[108]) ).

thf(204,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_dom @ A ) )
        & ( relation @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(1353,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_dom @ A ) )
        & ( relation @ ( relation_dom @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[204]) ).

thf(215,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i] :
                  ( ( in @ ( ordered_pair @ E @ D ) @ A )
                  & ( in @ E @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d13_relat_1) ).

thf(1427,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( ( C
              = ( relation_image @ A @ B ) )
           => ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) ) )
                & ( ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) )
                 => ( in @ D @ C ) ) ) )
          & ( ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) ) )
                & ( ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) )
                 => ( in @ D @ C ) ) )
           => ( C
              = ( relation_image @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[215]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A )
        & ( ordinal @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc3_ordinal1) ).

thf(386,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A )
        & ( ordinal @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(255,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( transitive @ B )
       => ( transitive @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t24_wellord1) ).

thf(1717,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( transitive @ B )
       => ( transitive @ ( relation_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[255]) ).

thf(298,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( powerset @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( subset @ C @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_zfmisc_1) ).

thf(2013,plain,
    ! [A: $i,B: $i] :
      ( ( ( B
          = ( powerset @ A ) )
       => ! [C: $i] :
            ( ( ( in @ C @ B )
             => ( subset @ C @ A ) )
            & ( ( subset @ C @ A )
             => ( in @ C @ B ) ) ) )
      & ( ! [C: $i] :
            ( ( ( in @ C @ B )
             => ( subset @ C @ A ) )
            & ( ( subset @ C @ A )
             => ( in @ C @ B ) ) )
       => ( B
          = ( powerset @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[298]) ).

thf(55,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
     => ( disjoint @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

thf(539,plain,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
     => ( disjoint @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(232,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( antisymmetric @ B )
       => ( antisymmetric @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t25_wellord1) ).

thf(1553,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( antisymmetric @ B )
       => ( antisymmetric @ ( relation_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[232]) ).

thf(40,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_ordinal1) ).

thf(482,plain,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(151,axiom,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc3_funct_1) ).

thf(976,plain,
    ? [A: $i] :
      ( ( relation @ A )
      & ( function @ A )
      & ( one_to_one @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[151]) ).

thf(251,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( B
            = ( relation_dom @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_relat_1) ).

thf(1654,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( B
              = ( relation_dom @ A ) )
           => ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) )
                & ( ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A )
                 => ( in @ C @ B ) ) ) )
          & ( ! [C: $i] :
                ( ( ( in @ C @ B )
                 => ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) )
                & ( ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A )
                 => ( in @ C @ B ) ) )
           => ( B
              = ( relation_dom @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[251]) ).

thf(323,axiom,
    ! [A: $i,B: $i] :
      ( ( ( pair_first @ ( ordered_pair @ A @ B ) )
        = A )
      & ( ( pair_second @ ( ordered_pair @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_mcart_1) ).

thf(2215,plain,
    ! [A: $i,B: $i] :
      ( ( ( pair_first @ ( ordered_pair @ A @ B ) )
        = A )
      & ( ( pair_second @ ( ordered_pair @ A @ B ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[323]) ).

thf(309,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc12_relat_1) ).

thf(2110,plain,
    ( ( empty @ empty_set )
    & ( relation @ empty_set )
    & ( relation_empty_yielding @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[309]) ).

thf(216,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( fiber @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( D != B )
                & ( in @ ( ordered_pair @ D @ B ) @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_wellord1) ).

thf(1453,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( ( C
              = ( fiber @ A @ B ) )
           => ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ( ( D != B )
                    & ( in @ ( ordered_pair @ D @ B ) @ A ) ) )
                & ( ( ( D != B )
                    & ( in @ ( ordered_pair @ D @ B ) @ A ) )
                 => ( in @ D @ C ) ) ) )
          & ( ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ( ( D != B )
                    & ( in @ ( ordered_pair @ D @ B ) @ A ) ) )
                & ( ( ( D != B )
                    & ( in @ ( ordered_pair @ D @ B ) @ A ) )
                 => ( in @ D @ C ) ) )
           => ( C
              = ( fiber @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[216]) ).

thf(282,axiom,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( in @ B @ A ) ) )
      & ( ( empty @ A )
       => ( ( element @ B @ A )
        <=> ( empty @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_subset_1) ).

thf(1866,plain,
    ! [A: $i,B: $i] :
      ( ( ~ ( empty @ A )
       => ( ( ( element @ B @ A )
           => ( in @ B @ A ) )
          & ( ( in @ B @ A )
           => ( element @ B @ A ) ) ) )
      & ( ( empty @ A )
       => ( ( ( element @ B @ A )
           => ( empty @ B ) )
          & ( ( empty @ B )
           => ( element @ B @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[282]) ).

thf(121,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( empty @ A )
        & ( function @ A ) )
     => ( ( relation @ A )
        & ( function @ A )
        & ( one_to_one @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_funct_1) ).

thf(771,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( empty @ A )
        & ( function @ A ) )
     => ( ( relation @ A )
        & ( function @ A )
        & ( one_to_one @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[121]) ).

thf(202,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( B
              = ( relation_dom_restriction @ C @ A ) )
          <=> ( ( ( relation_dom @ B )
                = ( set_intersection2 @ ( relation_dom @ C ) @ A ) )
              & ! [D: $i] :
                  ( ( in @ D @ ( relation_dom @ B ) )
                 => ( ( apply @ B @ D )
                    = ( apply @ C @ D ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t68_funct_1) ).

thf(1316,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ! [C: $i] :
          ( ( ( relation @ C )
            & ( function @ C ) )
         => ( ( ( B
                = ( relation_dom_restriction @ C @ A ) )
             => ( ( ( relation_dom @ B )
                  = ( set_intersection2 @ ( relation_dom @ C ) @ A ) )
                & ! [D: $i] :
                    ( ( in @ D @ ( relation_dom @ B ) )
                   => ( ( apply @ B @ D )
                      = ( apply @ C @ D ) ) ) ) )
            & ( ( ( ( relation_dom @ B )
                  = ( set_intersection2 @ ( relation_dom @ C ) @ A ) )
                & ! [D: $i] :
                    ( ( in @ D @ ( relation_dom @ B ) )
                   => ( ( apply @ B @ D )
                      = ( apply @ C @ D ) ) ) )
             => ( B
                = ( relation_dom_restriction @ C @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[202]) ).

thf(249,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
       => ( ( in @ A @ ( relation_field @ C ) )
          & ( in @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t19_wellord1) ).

thf(1649,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_field @ ( relation_restriction @ C @ B ) ) )
       => ( ( in @ A @ ( relation_field @ C ) )
          & ( in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[249]) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( being_limit_ordinal @ A )
    <=> ( A
        = ( union @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_ordinal1) ).

thf(363,plain,
    ! [A: $i] :
      ( ( ( being_limit_ordinal @ A )
       => ( A
          = ( union @ A ) ) )
      & ( ( A
          = ( union @ A ) )
       => ( being_limit_ordinal @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(61,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(556,plain,
    ! [A: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[61]) ).

thf(194,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ~ ( ( in @ C @ B )
            & ! [D: $i] :
                ~ ( ( in @ D @ B )
                  & ! [E: $i] :
                      ( ( subset @ E @ C )
                     => ( in @ E @ D ) ) ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t9_tarski) ).

thf(1253,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( in @ A @ B )
      & ! [C: $i,D: $i] :
          ( ( ( in @ C @ B )
            & ( subset @ D @ C ) )
         => ( in @ D @ B ) )
      & ! [C: $i] :
          ~ ( ( in @ C @ B )
            & ! [D: $i] :
                ~ ( ( in @ D @ B )
                  & ! [E: $i] :
                      ( ( subset @ E @ C )
                     => ( in @ E @ D ) ) ) )
      & ! [C: $i] :
          ~ ( ( subset @ C @ B )
            & ~ ( are_equipotent @ C @ B )
            & ~ ( in @ C @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[194]) ).

thf(210,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( subset @ A @ B )
       => ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t178_relat_1) ).

thf(1385,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( subset @ A @ B )
       => ( subset @ ( relation_inverse_image @ C @ A ) @ ( relation_inverse_image @ C @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[210]) ).

thf(252,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_inverse_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ ( relation_dom @ A ) )
                & ( in @ ( apply @ A @ D ) @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d13_funct_1) ).

thf(1674,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( ( C
              = ( relation_inverse_image @ A @ B ) )
           => ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ( ( in @ D @ ( relation_dom @ A ) )
                    & ( in @ ( apply @ A @ D ) @ B ) ) )
                & ( ( ( in @ D @ ( relation_dom @ A ) )
                    & ( in @ ( apply @ A @ D ) @ B ) )
                 => ( in @ D @ C ) ) ) )
          & ( ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ( ( in @ D @ ( relation_dom @ A ) )
                    & ( in @ ( apply @ A @ D ) @ B ) ) )
                & ( ( ( in @ D @ ( relation_dom @ A ) )
                    & ( in @ ( apply @ A @ D ) @ B ) )
                 => ( in @ D @ C ) ) )
           => ( C
              = ( relation_inverse_image @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[252]) ).

thf(218,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( ( in @ C @ A )
                & ( in @ C @ B ) ) )
      & ~ ( ? [C: $i] :
              ( ( in @ C @ A )
              & ( in @ C @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(1481,plain,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( ( in @ C @ A )
                & ( in @ C @ B ) ) )
      & ~ ( ? [C: $i] :
              ( ( in @ C @ A )
              & ( in @ C @ B ) )
          & ( disjoint @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[218]) ).

thf(89,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
      = ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_xboole_1) ).

thf(652,plain,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ ( set_difference @ B @ A ) )
      = ( set_union2 @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[89]) ).

thf(14,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

thf(390,plain,
    ! [A: $i,B: $i] : ( subset @ A @ ( set_union2 @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(155,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_inverse_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i] :
                  ( ( in @ ( ordered_pair @ D @ E ) @ A )
                  & ( in @ E @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d14_relat_1) ).

thf(995,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( ( C
              = ( relation_inverse_image @ A @ B ) )
           => ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) ) )
                & ( ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) )
                 => ( in @ D @ C ) ) ) )
          & ( ! [D: $i] :
                ( ( ( in @ D @ C )
                 => ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) ) )
                & ( ? [E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                      & ( in @ E @ B ) )
                 => ( in @ D @ C ) ) )
           => ( C
              = ( relation_inverse_image @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[155]) ).

thf(234,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( being_limit_ordinal @ A )
      <=> ! [B: $i] :
            ( ( ordinal @ B )
           => ( ( in @ B @ A )
             => ( in @ ( succ @ B ) @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t41_ordinal1) ).

thf(1558,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( ( being_limit_ordinal @ A )
         => ! [B: $i] :
              ( ( ordinal @ B )
             => ( ( in @ B @ A )
               => ( in @ ( succ @ B ) @ A ) ) ) )
        & ( ! [B: $i] :
              ( ( ordinal @ B )
             => ( ( in @ B @ A )
               => ( in @ ( succ @ B ) @ A ) ) )
         => ( being_limit_ordinal @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[234]) ).

thf(331,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(2262,plain,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( ordered_pair @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[331]) ).

thf(296,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( in @ A @ B )
     => ( disjoint @ ( singleton @ A ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(2009,plain,
    ! [A: $i,B: $i] :
      ( ~ ( in @ A @ B )
     => ( disjoint @ ( singleton @ A ) @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[296]) ).

thf(65,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( well_founded_relation @ ( inclusion_relation @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_wellord2) ).

thf(568,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( well_founded_relation @ ( inclusion_relation @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[65]) ).

thf(145,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(929,plain,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[145]) ).

thf(201,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(1308,plain,
    ! [A: $i] :
      ( ( ( A = empty_set )
       => ! [B: $i] :
            ~ ( in @ B @ A ) )
      & ( ! [B: $i] :
            ~ ( in @ B @ A )
       => ( A = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[201]) ).

thf(12,axiom,
    ! [A: $i] :
      ( ( set_union2 @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_boole) ).

thf(383,plain,
    ! [A: $i] :
      ( ( set_union2 @ A @ empty_set )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(59,axiom,
    ! [A: $i,B: $i] :
      ( ( set_difference @ A @ ( set_difference @ A @ B ) )
      = ( set_intersection2 @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_xboole_1) ).

thf(549,plain,
    ! [A: $i,B: $i] :
      ( ( set_difference @ A @ ( set_difference @ A @ B ) )
      = ( set_intersection2 @ A @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[59]) ).

thf(54,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ B )
      = ( set_intersection2 @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

thf(536,plain,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ B )
      = ( set_intersection2 @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(140,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(914,plain,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[140]) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( well_ordering @ ( inclusion_relation @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_wellord2) ).

thf(378,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( well_ordering @ ( inclusion_relation @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(314,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( is_connected_in @ A @ B )
        <=> ! [C: $i,D: $i] :
              ~ ( ( in @ C @ B )
                & ( in @ D @ B )
                & ( C != D )
                & ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                & ~ ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d6_relat_2) ).

thf(2123,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( ( is_connected_in @ A @ B )
           => ! [C: $i,D: $i] :
                ~ ( ( in @ C @ B )
                  & ( in @ D @ B )
                  & ( C != D )
                  & ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                  & ~ ( in @ ( ordered_pair @ D @ C ) @ A ) ) )
          & ( ! [C: $i,D: $i] :
                ~ ( ( in @ C @ B )
                  & ( in @ D @ B )
                  & ( C != D )
                  & ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                  & ~ ( in @ ( ordered_pair @ D @ C ) @ A ) )
           => ( is_connected_in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[314]) ).

thf(80,axiom,
    ! [A: $i] :
      ( ( singleton @ A )
     != empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l1_zfmisc_1) ).

thf(620,plain,
    ! [A: $i] :
      ( ( singleton @ A )
     != empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[80]) ).

thf(29,axiom,
    ! [A: $i] :
      ( ( ( relation_dom @ ( identity_relation @ A ) )
        = A )
      & ( ( relation_rng @ ( identity_relation @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t71_relat_1) ).

thf(447,plain,
    ! [A: $i] :
      ( ( ( relation_dom @ ( identity_relation @ A ) )
        = A )
      & ( ( relation_rng @ ( identity_relation @ A ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(291,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( relation @ C )
             => ( ( C
                  = ( relation_composition @ A @ B ) )
              <=> ! [D: $i,E: $i] :
                    ( ( in @ ( ordered_pair @ D @ E ) @ C )
                  <=> ? [F: $i] :
                        ( ( in @ ( ordered_pair @ D @ F ) @ A )
                        & ( in @ ( ordered_pair @ F @ E ) @ B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_relat_1) ).

thf(1957,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( relation @ C )
             => ( ( ( C
                    = ( relation_composition @ A @ B ) )
                 => ! [D: $i,E: $i] :
                      ( ( ( in @ ( ordered_pair @ D @ E ) @ C )
                       => ? [F: $i] :
                            ( ( in @ ( ordered_pair @ D @ F ) @ A )
                            & ( in @ ( ordered_pair @ F @ E ) @ B ) ) )
                      & ( ? [F: $i] :
                            ( ( in @ ( ordered_pair @ D @ F ) @ A )
                            & ( in @ ( ordered_pair @ F @ E ) @ B ) )
                       => ( in @ ( ordered_pair @ D @ E ) @ C ) ) ) )
                & ( ! [D: $i,E: $i] :
                      ( ( ( in @ ( ordered_pair @ D @ E ) @ C )
                       => ? [F: $i] :
                            ( ( in @ ( ordered_pair @ D @ F ) @ A )
                            & ( in @ ( ordered_pair @ F @ E ) @ B ) ) )
                      & ( ? [F: $i] :
                            ( ( in @ ( ordered_pair @ D @ F ) @ A )
                            & ( in @ ( ordered_pair @ F @ E ) @ B ) )
                       => ( in @ ( ordered_pair @ D @ E ) @ C ) ) )
                 => ( C
                    = ( relation_composition @ A @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[291]) ).

thf(329,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ( ( ( relation_rng @ A )
            = ( relation_dom @ ( function_inverse @ A ) ) )
          & ( ( relation_dom @ A )
            = ( relation_rng @ ( function_inverse @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t55_funct_1) ).

thf(2255,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ( ( ( relation_rng @ A )
            = ( relation_dom @ ( function_inverse @ A ) ) )
          & ( ( relation_dom @ A )
            = ( relation_rng @ ( function_inverse @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[329]) ).

thf(150,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( ! [D: $i] :
            ~ ( ( in @ D @ B )
              & ! [E: $i] :
                  ~ ( in @ ( ordered_pair @ E @ D ) @ C ) )
      <=> ( ( relation_rng_as_subset @ A @ B @ C )
          = B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t23_relset_1) ).

thf(967,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2_as_subset @ C @ A @ B )
     => ( ( ! [D: $i] :
              ~ ( ( in @ D @ B )
                & ! [E: $i] :
                    ~ ( in @ ( ordered_pair @ E @ D ) @ C ) )
         => ( ( relation_rng_as_subset @ A @ B @ C )
            = B ) )
        & ( ( ( relation_rng_as_subset @ A @ B @ C )
            = B )
         => ! [D: $i] :
              ~ ( ( in @ D @ B )
                & ! [E: $i] :
                    ~ ( in @ ( ordered_pair @ E @ D ) @ C ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[150]) ).

thf(229,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_image @ B @ A )
        = ( relation_image @ B @ ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t145_relat_1) ).

thf(1546,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_image @ B @ A )
        = ( relation_image @ B @ ( set_intersection2 @ ( relation_dom @ B ) @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[229]) ).

thf(18,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k5_setfam_1) ).

thf(405,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( element @ ( union_of_subsets @ A @ B ) @ ( powerset @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(293,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( ( in @ B @ ( relation_dom @ A ) )
           => ( ( C
                = ( apply @ A @ B ) )
            <=> ( in @ ( ordered_pair @ B @ C ) @ A ) ) )
          & ( ~ ( in @ B @ ( relation_dom @ A ) )
           => ( ( C
                = ( apply @ A @ B ) )
            <=> ( C = empty_set ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_funct_1) ).

thf(1986,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ! [B: $i,C: $i] :
          ( ( ( in @ B @ ( relation_dom @ A ) )
           => ( ( ( C
                  = ( apply @ A @ B ) )
               => ( in @ ( ordered_pair @ B @ C ) @ A ) )
              & ( ( in @ ( ordered_pair @ B @ C ) @ A )
               => ( C
                  = ( apply @ A @ B ) ) ) ) )
          & ( ~ ( in @ B @ ( relation_dom @ A ) )
           => ( ( ( C
                  = ( apply @ A @ B ) )
               => ( C = empty_set ) )
              & ( ( C = empty_set )
               => ( C
                  = ( apply @ A @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[293]) ).

thf(295,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( relation_isomorphism @ A @ B @ C )
               => ( ( ( reflexive @ A )
                   => ( reflexive @ B ) )
                  & ( ( transitive @ A )
                   => ( transitive @ B ) )
                  & ( ( connected @ A )
                   => ( connected @ B ) )
                  & ( ( antisymmetric @ A )
                   => ( antisymmetric @ B ) )
                  & ( ( well_founded_relation @ A )
                   => ( well_founded_relation @ B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t53_wellord1) ).

thf(2003,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( relation_isomorphism @ A @ B @ C )
               => ( ( ( reflexive @ A )
                   => ( reflexive @ B ) )
                  & ( ( transitive @ A )
                   => ( transitive @ B ) )
                  & ( ( connected @ A )
                   => ( connected @ B ) )
                  & ( ( antisymmetric @ A )
                   => ( antisymmetric @ B ) )
                  & ( ( well_founded_relation @ A )
                   => ( well_founded_relation @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[295]) ).

thf(317,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_founded_relation @ B )
       => ( well_founded_relation @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t31_wellord1) ).

thf(2142,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_founded_relation @ B )
       => ( well_founded_relation @ ( relation_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[317]) ).

thf(22,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(422,plain,
    ? [A: $i] :
      ~ ( empty @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(193,axiom,
    ! [A: $i] :
      ( ( relation @ ( identity_relation @ A ) )
      & ( function @ ( identity_relation @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_funct_1) ).

thf(1248,plain,
    ! [A: $i] :
      ( ( relation @ ( identity_relation @ A ) )
      & ( function @ ( identity_relation @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[193]) ).

thf(222,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( antisymmetric @ A )
      <=> ( is_antisymmetric_in @ A @ ( relation_field @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d12_relat_2) ).

thf(1495,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( ( antisymmetric @ A )
         => ( is_antisymmetric_in @ A @ ( relation_field @ A ) ) )
        & ( ( is_antisymmetric_in @ A @ ( relation_field @ A ) )
         => ( antisymmetric @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[222]) ).

thf(37,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( ( relation_rng_as_subset @ A @ B @ C )
        = ( relation_rng @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k5_relset_1) ).

thf(474,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( ( relation_rng_as_subset @ A @ B @ C )
        = ( relation_rng @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(133,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( relation_isomorphism @ A @ B @ C )
              <=> ( ( ( relation_dom @ C )
                    = ( relation_field @ A ) )
                  & ( ( relation_rng @ C )
                    = ( relation_field @ B ) )
                  & ( one_to_one @ C )
                  & ! [D: $i,E: $i] :
                      ( ( in @ ( ordered_pair @ D @ E ) @ A )
                    <=> ( ( in @ D @ ( relation_field @ A ) )
                        & ( in @ E @ ( relation_field @ A ) )
                        & ( in @ ( ordered_pair @ ( apply @ C @ D ) @ ( apply @ C @ E ) ) @ B ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d7_wellord1) ).

thf(828,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( relation @ B )
         => ! [C: $i] :
              ( ( ( relation @ C )
                & ( function @ C ) )
             => ( ( ( relation_isomorphism @ A @ B @ C )
                 => ( ( ( relation_dom @ C )
                      = ( relation_field @ A ) )
                    & ( ( relation_rng @ C )
                      = ( relation_field @ B ) )
                    & ( one_to_one @ C )
                    & ! [D: $i,E: $i] :
                        ( ( ( in @ ( ordered_pair @ D @ E ) @ A )
                         => ( ( in @ D @ ( relation_field @ A ) )
                            & ( in @ E @ ( relation_field @ A ) )
                            & ( in @ ( ordered_pair @ ( apply @ C @ D ) @ ( apply @ C @ E ) ) @ B ) ) )
                        & ( ( ( in @ D @ ( relation_field @ A ) )
                            & ( in @ E @ ( relation_field @ A ) )
                            & ( in @ ( ordered_pair @ ( apply @ C @ D ) @ ( apply @ C @ E ) ) @ B ) )
                         => ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) ) )
                & ( ( ( ( relation_dom @ C )
                      = ( relation_field @ A ) )
                    & ( ( relation_rng @ C )
                      = ( relation_field @ B ) )
                    & ( one_to_one @ C )
                    & ! [D: $i,E: $i] :
                        ( ( ( in @ ( ordered_pair @ D @ E ) @ A )
                         => ( ( in @ D @ ( relation_field @ A ) )
                            & ( in @ E @ ( relation_field @ A ) )
                            & ( in @ ( ordered_pair @ ( apply @ C @ D ) @ ( apply @ C @ E ) ) @ B ) ) )
                        & ( ( ( in @ D @ ( relation_field @ A ) )
                            & ( in @ E @ ( relation_field @ A ) )
                            & ( in @ ( ordered_pair @ ( apply @ C @ D ) @ ( apply @ C @ E ) ) @ B ) )
                         => ( in @ ( ordered_pair @ D @ E ) @ A ) ) ) )
                 => ( relation_isomorphism @ A @ B @ C ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[133]) ).

thf(53,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_zfmisc_1) ).

thf(532,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( singleton @ A )
        = ( unordered_pair @ B @ C ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(114,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ B @ A )
       => ( ( apply @ ( relation_dom_restriction @ C @ A ) @ B )
          = ( apply @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t72_funct_1) ).

thf(720,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation @ C )
        & ( function @ C ) )
     => ( ( in @ B @ A )
       => ( ( apply @ ( relation_dom_restriction @ C @ A ) @ B )
          = ( apply @ C @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[114]) ).

thf(271,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( subset @ A @ ( relation_dom @ B ) )
       => ( subset @ A @ ( relation_inverse_image @ B @ ( relation_image @ B @ A ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t146_funct_1) ).

thf(1789,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( subset @ A @ ( relation_dom @ B ) )
       => ( subset @ A @ ( relation_inverse_image @ B @ ( relation_image @ B @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[271]) ).

thf(94,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ~ ( empty @ ( succ @ A ) )
        & ( epsilon_transitive @ ( succ @ A ) )
        & ( epsilon_connected @ ( succ @ A ) )
        & ( ordinal @ ( succ @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_ordinal1) ).

thf(664,plain,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ~ ( empty @ ( succ @ A ) )
        & ( epsilon_transitive @ ( succ @ A ) )
        & ( epsilon_connected @ ( succ @ A ) )
        & ( ordinal @ ( succ @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[94]) ).

thf(81,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_difference @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

thf(624,plain,
    ! [A: $i,B: $i] :
      ( ( ( disjoint @ A @ B )
       => ( ( set_difference @ A @ B )
          = A ) )
      & ( ( ( set_difference @ A @ B )
          = A )
       => ( disjoint @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[81]) ).

thf(116,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
      <=> ! [B: $i,C: $i] :
            ( ( ( in @ B @ ( relation_dom @ A ) )
              & ( in @ C @ ( relation_dom @ A ) )
              & ( ( apply @ A @ B )
                = ( apply @ A @ C ) ) )
           => ( B = C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d8_funct_1) ).

thf(728,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( ( one_to_one @ A )
         => ! [B: $i,C: $i] :
              ( ( ( in @ B @ ( relation_dom @ A ) )
                & ( in @ C @ ( relation_dom @ A ) )
                & ( ( apply @ A @ B )
                  = ( apply @ A @ C ) ) )
             => ( B = C ) ) )
        & ( ! [B: $i,C: $i] :
              ( ( ( in @ B @ ( relation_dom @ A ) )
                & ( in @ C @ ( relation_dom @ A ) )
                & ( ( apply @ A @ B )
                  = ( apply @ A @ C ) ) )
             => ( B = C ) )
         => ( one_to_one @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[116]) ).

thf(74,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ~ ( ( B != empty_set )
          & ( ( complements_of_subsets @ A @ B )
            = empty_set ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t46_setfam_1) ).

thf(596,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ~ ( ( B != empty_set )
          & ( ( complements_of_subsets @ A @ B )
            = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[74]) ).

thf(332,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( relation @ ( relation_dom_restriction @ A @ B ) )
        & ( function @ ( relation_dom_restriction @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc4_funct_1) ).

thf(2265,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( relation @ ( relation_dom_restriction @ A @ B ) )
        & ( function @ ( relation_dom_restriction @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[332]) ).

thf(52,axiom,
    ? [A: $i] :
      ( ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_ordinal1) ).

thf(528,plain,
    ? [A: $i] :
      ( ( epsilon_transitive @ A )
      & ( epsilon_connected @ A )
      & ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(87,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ordinal_subset @ A @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_ordinal1) ).

thf(644,plain,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ordinal_subset @ A @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[87]) ).

thf(32,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( element @ ( relation_dom_as_subset @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k4_relset_1) ).

thf(459,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
     => ( element @ ( relation_dom_as_subset @ A @ B @ C ) @ ( powerset @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(115,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
        & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_zfmisc_1) ).

thf(723,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
        & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[115]) ).

thf(131,axiom,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ( ( function_inverse @ A )
          = ( relation_inverse @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d9_funct_1) ).

thf(822,plain,
    ! [A: $i] :
      ( ( ( relation @ A )
        & ( function @ A ) )
     => ( ( one_to_one @ A )
       => ( ( function_inverse @ A )
          = ( relation_inverse @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[131]) ).

thf(27,axiom,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( relation_of2_as_subset @ C @ A @ B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m2_relset_1) ).

thf(442,plain,
    ! [A: $i,B: $i] :
    ? [C: $i] : ( relation_of2_as_subset @ C @ A @ B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(224,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_ordering @ B )
       => ( well_ordering @ ( relation_restriction @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t32_wellord1) ).

thf(1505,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( well_ordering @ B )
       => ( well_ordering @ ( relation_restriction @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[224]) ).

thf(214,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( B
          = ( inclusion_relation @ A ) )
      <=> ( ( ( relation_field @ B )
            = A )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ A )
                & ( in @ D @ A ) )
             => ( ( in @ ( ordered_pair @ C @ D ) @ B )
              <=> ( subset @ C @ D ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_wellord2) ).

thf(1399,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( ( B
            = ( inclusion_relation @ A ) )
         => ( ( ( relation_field @ B )
              = A )
            & ! [C: $i,D: $i] :
                ( ( ( in @ C @ A )
                  & ( in @ D @ A ) )
               => ( ( ( in @ ( ordered_pair @ C @ D ) @ B )
                   => ( subset @ C @ D ) )
                  & ( ( subset @ C @ D )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) ) )
        & ( ( ( ( relation_field @ B )
              = A )
            & ! [C: $i,D: $i] :
                ( ( ( in @ C @ A )
                  & ( in @ D @ A ) )
               => ( ( ( in @ ( ordered_pair @ C @ D ) @ B )
                   => ( subset @ C @ D ) )
                  & ( ( subset @ C @ D )
                   => ( in @ ( ordered_pair @ C @ D ) @ B ) ) ) ) )
         => ( B
            = ( inclusion_relation @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[214]) ).

thf(333,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( subset @ ( relation_image @ B @ ( relation_inverse_image @ B @ A ) ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t145_funct_1) ).

thf(2270,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ B )
        & ( function @ B ) )
     => ( subset @ ( relation_image @ B @ ( relation_inverse_image @ B @ A ) ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[333]) ).

thf(78,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k3_subset_1) ).

thf(607,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
     => ( ( subset_complement @ A @ ( subset_complement @ A @ B ) )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[78]) ).

thf(315,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t99_relat_1) ).

thf(2138,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( subset @ ( relation_rng @ ( relation_dom_restriction @ B @ A ) ) @ ( relation_rng @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[315]) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( ( set_difference @ A @ B )
        = empty_set )
    <=> ( subset @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_xboole_1) ).

thf(354,plain,
    ! [A: $i,B: $i] :
      ( ( ( ( set_difference @ A @ B )
          = empty_set )
       => ( subset @ A @ B ) )
      & ( ( subset @ A @ B )
       => ( ( set_difference @ A @ B )
          = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(277,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ B @ A )
     => ( ( apply @ ( identity_relation @ A ) @ B )
        = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t35_funct_1) ).

thf(1848,plain,
    ! [A: $i,B: $i] :
      ( ( in @ B @ A )
     => ( ( apply @ ( identity_relation @ A ) @ B )
        = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[277]) ).

thf(85,axiom,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_subset_1) ).

thf(639,plain,
    ! [A: $i] :
    ? [B: $i] :
      ( ( element @ B @ ( powerset @ A ) )
      & ( empty @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[85]) ).

thf(186,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( relation @ ( relation_rng_restriction @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k8_relat_1) ).

thf(1204,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( relation @ ( relation_rng_restriction @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[186]) ).

thf(72,axiom,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_subset_1) ).

thf(592,plain,
    ! [A: $i] : ( element @ ( cast_to_subset @ A ) @ ( powerset @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[72]) ).

thf(110,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( meet_of_subsets @ A @ B )
        = ( set_meet @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',redefinition_k6_setfam_1) ).

thf(708,plain,
    ! [A: $i,B: $i] :
      ( ( element @ B @ ( powerset @ ( powerset @ A ) ) )
     => ( ( meet_of_subsets @ A @ B )
        = ( set_meet @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[110]) ).

thf(288,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_restriction @ C @ B ) )
      <=> ( ( in @ A @ C )
          & ( in @ A @ ( cartesian_product2 @ B @ B ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t16_wellord1) ).

thf(1944,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( ( in @ A @ ( relation_restriction @ C @ B ) )
         => ( ( in @ A @ C )
            & ( in @ A @ ( cartesian_product2 @ B @ B ) ) ) )
        & ( ( ( in @ A @ C )
            & ( in @ A @ ( cartesian_product2 @ B @ B ) ) )
         => ( in @ A @ ( relation_restriction @ C @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[288]) ).

thf(206,axiom,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom_restriction @ B @ A )
        = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t94_relat_1) ).

thf(1367,plain,
    ! [A: $i,B: $i] :
      ( ( relation @ B )
     => ( ( relation_dom_restriction @ B @ A )
        = ( relation_composition @ ( identity_relation @ A ) @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[206]) ).

thf(179,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_inverse @ ( relation_inverse @ A ) )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',involutiveness_k4_relat_1) ).

thf(1184,plain,
    ! [A: $i] :
      ( ( relation @ A )
     => ( ( relation_inverse @ ( relation_inverse @ A ) )
        = A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[179]) ).

thf(305,axiom,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ( ( proper_subset @ A @ B )
           => ( in @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t21_ordinal1) ).

thf(2074,plain,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ( ( proper_subset @ A @ B )
           => ( in @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[305]) ).

thf(220,axiom,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_difference @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_relat_1) ).

thf(1490,plain,
    ! [A: $i,B: $i] :
      ( ( ( relation @ A )
        & ( relation @ B ) )
     => ( relation @ ( set_difference @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[220]) ).

thf(122,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation_of2 @ C @ A @ B )
    <=> ( subset @ C @ ( cartesian_product2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_relset_1) ).

thf(775,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( relation_of2 @ C @ A @ B )
       => ( subset @ C @ ( cartesian_product2 @ A @ B ) ) )
      & ( ( subset @ C @ ( cartesian_product2 @ A @ B ) )
       => ( relation_of2 @ C @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[122]) ).

thf(264,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
      <=> ( ( in @ A @ B )
          & ( in @ A @ ( relation_rng @ C ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t115_relat_1) ).

thf(1769,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) )
         => ( ( in @ A @ B )
            & ( in @ A @ ( relation_rng @ C ) ) ) )
        & ( ( ( in @ A @ B )
            & ( in @ A @ ( relation_rng @ C ) ) )
         => ( in @ A @ ( relation_rng @ ( relation_rng_restriction @ B @ C ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[264]) ).

thf(98,axiom,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
     => ~ ( proper_subset @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_xboole_0) ).

thf(676,plain,
    ! [A: $i,B: $i] :
      ( ( proper_subset @ A @ B )
     => ~ ( proper_subset @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[98]) ).

thf(43,axiom,
    ! [A: $i] : ( transitive @ ( inclusion_relation @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_wellord2) ).

thf(491,plain,
    ! [A: $i] : ( transitive @ ( inclusion_relation @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(167,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_inverse @ A ) )
        & ( relation @ ( relation_inverse @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc11_relat_1) ).

thf(1088,plain,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_inverse @ A ) )
        & ( relation @ ( relation_inverse @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[167]) ).

thf(45,axiom,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) )
     => ( ordinal @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cc2_ordinal1) ).

thf(496,plain,
    ! [A: $i] :
      ( ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) )
     => ( ordinal @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(30,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k6_subset_1) ).

thf(454,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( element @ B @ ( powerset @ A ) )
        & ( element @ C @ ( powerset @ A ) ) )
     => ( element @ ( subset_difference @ A @ B @ C ) @ ( powerset @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(2317,plain,
    $false,
    inference(cvc4,[status(thm)],[1036,809,1190,347,1031,518,468,1295,1950,1549,1211,582,683,1068,861,2114,1269,440,655,511,2035,1164,1327,1507,1196,1835,2046,1127,1576,417,565,436,1228,1518,1265,1628,570,1298,1907,1860,917,1132,559,1379,1514,2049,1479,1773,1875,1778,2222,924,480,2105,1811,602,692,660,1201,2011,1206,920,380,439,678,546,761,2118,1736,714,2000,334,1387,1091,825,1021,952,1174,1217,407,1370,392,1487,361,879,2179,461,1787,493,2211,2228,1573,852,1555,456,1910,1936,697,1762,1851,1064,1719,610,783,980,1498,1587,1028,1942,669,686,642,1584,1791,1214,706,1700,489,515,1382,1231,2243,911,1715,1979,2140,605,647,1263,1857,792,1814,633,805,508,541,2076,1071,1167,662,1563,657,1187,674,794,586,965,2033,856,1595,573,689,444,375,2260,2121,2144,425,2176,584,819,562,694,402,2225,1652,711,1520,1124,1784,1389,498,1733,466,1765,947,1356,350,672,764,1194,2079,681,1117,1589,1722,2116,737,1122,863,1492,1603,1571,599,477,2182,631,758,552,816,1862,700,2252,932,1731,594,983,399,780,1176,1775,1726,505,1198,1396,2051,636,1044,1626,1948,1034,589,927,487,1081,1181,1551,1598,414,1605,1780,1267,993,370,717,463,1830,1085,2044,1579,544,703,1353,1427,386,1717,2013,539,1553,482,976,1654,2215,2110,1453,1866,771,1316,1649,363,556,1253,1385,1674,1481,652,390,995,1558,2262,2009,568,929,1308,383,549,536,914,378,2123,620,447,1957,2255,967,1546,405,1986,2003,2142,422,1248,1495,474,828,532,720,1789,664,624,728,596,2265,528,644,459,723,822,442,1505,1399,2270,607,2138,354,1848,639,1204,592,708,1944,1367,1184,2074,1490,775,1769,676,491,1088,496,454]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU277+2 : TPTP v8.1.2. Released v3.3.0.
% 0.12/0.15  % Command  : run_Leo-III %s %d
% 0.16/0.37  % Computer : n011.cluster.edu
% 0.16/0.37  % Model    : x86_64 x86_64
% 0.16/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.37  % Memory   : 8042.1875MB
% 0.16/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.37  % CPULimit : 300
% 0.16/0.37  % WCLimit  : 300
% 0.16/0.37  % DateTime : Thu May 18 13:38:19 EDT 2023
% 0.16/0.37  % CPUTime  : 
% 0.96/0.88  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.67/1.11  % [INFO] 	 Parsing done (231ms). 
% 1.67/1.12  % [INFO] 	 Running in sequential loop mode. 
% 2.32/1.32  % [INFO] 	 eprover registered as external prover. 
% 2.32/1.32  % [INFO] 	 cvc4 registered as external prover. 
% 2.32/1.33  % [INFO] 	 Scanning for conjecture ... 
% 2.55/1.43  % [INFO] 	 Found a conjecture and 355 axioms. Running axiom selection ... 
% 3.04/1.53  % [INFO] 	 Axiom selection finished. Selected 331 axioms (removed 24 axioms). 
% 3.45/1.69  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 3.69/1.70  % [INFO] 	 Type checking passed. 
% 3.69/1.71  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 12.26/3.80  % External prover 'cvc4' found a proof!
% 12.26/3.80  % [INFO] 	 Killing All external provers ... 
% 12.26/3.80  % Time passed: 3297ms (effective reasoning time: 2680ms)
% 12.26/3.80  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 12.60/3.80  % Axioms used in derivation (331): d1_enumset1, redefinition_m2_relset_1, redefinition_r1_ordinal1, d1_wellord2, l3_wellord1, fc1_zfmisc_1, d1_tarski, t30_relat_1, t147_funct_1, d4_funct_1, t32_wellord1, t19_xboole_1, t99_relat_1, t17_xboole_1, t90_relat_1, t43_subset_1, t54_wellord1, d6_relat_2, l82_funct_1, idempotence_k3_xboole_0, d4_ordinal1, t1_boole, t39_wellord1, t3_xboole_1, dt_k4_relset_1, dt_k5_relset_1, d5_relat_1, l1_wellord1, l2_wellord1, fc1_xboole_0, t7_mcart_1, dt_k2_subset_1, d5_tarski, fc4_relat_1, d12_relat_1, t44_relat_1, fc4_funct_1, t1_subset, t144_relat_1, fc4_subset_1, t22_funct_1, fc3_relat_1, d8_funct_1, t117_relat_1, t2_boole, t32_ordinal1, t47_relat_1, fc9_relat_1, l3_subset_1, t99_zfmisc_1, d1_wellord1, t47_setfam_1, fc1_funct_1, d9_funct_1, rc3_funct_1, t56_relat_1, t37_xboole_1, dt_m2_relset_1, cc1_relat_1, t21_ordinal1, redefinition_k6_setfam_1, commutativity_k3_xboole_0, t55_funct_1, t62_funct_1, d2_tarski, d4_subset_1, involutiveness_k3_subset_1, rc1_funct_1, fc2_xboole_0, d1_xboole_0, t64_relat_1, d6_ordinal1, l50_zfmisc_1, t23_funct_1, s1_tarski__e6_21__wellord2__1, t34_funct_1, t118_zfmisc_1, d3_wellord1, t14_relset_1, t16_relset_1, rc3_relat_1, t6_boole, rc2_subset_1, t4_wellord2, dt_k6_subset_1, d1_relat_1, d13_relat_1, t46_zfmisc_1, t1_xboole_1, d9_relat_2, t31_ordinal1, t116_relat_1, cc2_ordinal1, commutativity_k2_xboole_0, fc3_subset_1, t5_subset, d4_relat_1, t4_xboole_0, d12_relat_2, existence_m1_relset_1, l25_zfmisc_1, t1_zfmisc_1, t17_wellord1, fc2_subset_1, d8_xboole_0, t5_wellord2, d5_wellord1, d1_ordinal1, t3_wellord2, rc4_funct_1, fc2_funct_1, t5_wellord1, t8_funct_1, t166_relat_1, l32_xboole_1, t8_zfmisc_1, t23_wellord1, t2_tarski, s1_ordinal1__e8_6__wellord2, t33_xboole_1, t4_boole, t146_funct_1, d13_funct_1, dt_k4_relat_1, t4_subset, fc3_xboole_0, t178_relat_1, d2_xboole_0, dt_k2_funct_1, t20_wellord1, t19_wellord1, fc13_relat_1, d4_tarski, t18_wellord1, d16_relat_2, t9_zfmisc_1, t174_relat_1, redefinition_k5_setfam_1, involutiveness_k4_relat_1, cc1_ordinal1, t7_boole, t21_wellord1, cc1_funct_1, t23_ordinal1, t118_relat_1, d10_relat_1, t143_relat_1, d2_subset_1, t24_wellord1, t48_xboole_1, t3_ordinal1, l4_wellord1, dt_k1_wellord2, fc1_subset_1, t33_zfmisc_1, fc5_funct_1, fc3_ordinal1, rc2_funct_1, t160_relat_1, d11_relat_1, connectedness_r1_ordinal1, t8_wellord1, t2_wellord2, fc10_relat_1, rc1_subset_1, cc3_ordinal1, t74_relat_1, rc3_ordinal1, t83_xboole_1, t45_relat_1, l28_zfmisc_1, t140_relat_1, d14_relat_1, d7_xboole_0, fc5_relat_1, cc2_funct_1, t46_setfam_1, d2_wellord1, l4_zfmisc_1, t3_subset, cc1_relset_1, t22_relset_1, t24_ordinal1, t33_ordinal1, t115_relat_1, existence_m1_subset_1, d2_mcart_1, antisymmetry_r2_xboole_0, dt_k6_setfam_1, d2_zfmisc_1, fc11_relat_1, l3_zfmisc_1, commutativity_k2_tarski, d7_relat_1, rc1_ordinal1, t106_zfmisc_1, t25_wellord1, t145_funct_1, l71_subset_1, dt_k7_relat_1, t7_wellord2, l2_zfmisc_1, d8_relat_1, t42_ordinal1, t94_relat_1, t48_setfam_1, d4_wellord1, d5_subset_1, t92_zfmisc_1, t146_relat_1, t70_funct_1, t31_wellord1, d1_zfmisc_1, t69_enumset1, t41_ordinal1, d7_wellord1, existence_m2_relset_1, t38_zfmisc_1, l55_zfmisc_1, s1_tarski__e8_6__wellord2__1, t10_ordinal1, dt_k8_relat_1, d8_setfam_1, t26_xboole_1, t63_xboole_1, t22_wellord1, rc2_relat_1, t72_funct_1, t6_wellord2, t25_wellord2, involutiveness_k7_setfam_1, t8_xboole_1, t37_relat_1, d3_tarski, t39_zfmisc_1, t119_zfmisc_1, rc1_relat_1, t60_relat_1, t54_funct_1, dt_k5_relat_1, reflexivity_r1_tarski, t28_xboole_1, d1_relset_1, t6_zfmisc_1, dt_k6_relat_1, reflexivity_r1_ordinal1, t2_xboole_1, fc6_relat_1, d12_funct_1, d3_ordinal1, t46_relat_1, rc2_ordinal1, d4_xboole_0, d14_relat_2, t35_funct_1, t36_xboole_1, t20_relat_1, dt_k5_setfam_1, t68_funct_1, t54_subset_1, dt_k7_setfam_1, t21_funct_1, dt_k2_wellord1, d1_relat_2, t136_zfmisc_1, fc1_relat_1, d6_wellord1, d6_relat_1, l23_zfmisc_1, t8_boole, rc1_xboole_0, fc3_funct_1, t16_wellord1, t12_xboole_1, d3_relat_1, fc7_relat_1, fc1_ordinal1, t49_wellord1, t86_relat_1, fc8_relat_1, s1_xboole_0__e8_6__wellord2__1, t10_zfmisc_1, t2_subset, t37_zfmisc_1, fc2_relat_1, d2_ordinal1, fc12_relat_1, t65_relat_1, t21_relat_1, d1_setfam_1, symmetry_r1_xboole_0, idempotence_k2_xboole_0, t9_tarski, t145_relat_1, d10_xboole_0, t7_xboole_1, t50_subset_1, fc2_ordinal1, t7_tarski, t60_xboole_1, redefinition_k5_relset_1, t57_funct_1, t3_boole, d5_funct_1, redefinition_k6_subset_1, t12_relset_1, redefinition_k4_relset_1, d8_relat_2, t25_relat_1, d4_relat_2, t3_xboole_0, l29_wellord1, rc2_xboole_0, t45_xboole_1, fc4_ordinal1, t40_xboole_1, irreflexivity_r2_xboole_0, t53_wellord1, t65_zfmisc_1, d3_xboole_0, d2_relat_1, t39_xboole_1, t71_relat_1, t23_relset_1, d1_mcart_1, t88_relat_1, t167_relat_1, dt_k3_subset_1, l1_zfmisc_1, t119_relat_1, antisymmetry_r2_hidden
% 12.60/3.80  % No. of inferences in proof: 666
% 12.60/3.80  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 3297 ms resp. 2680 ms w/o parsing
% 13.16/3.97  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 13.16/3.97  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------