TSTP Solution File: SEU235+3 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU235+3 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.2dkj0dORR2 true

% Computer : n012.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 : Thu Aug 31 19:11:29 EDT 2023

% Result   : Theorem 88.51s 13.24s
% Output   : Refutation 88.51s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   59
%            Number of leaves      :   39
% Syntax   : Number of formulae    :  347 (  64 unt;  19 typ;   0 def)
%            Number of atoms       :  856 ( 121 equ;   0 cnn)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives : 2438 ( 469   ~; 474   |;  31   &;1441   @)
%                                         (   3 <=>;  20  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   20 (  20   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   21 (  19 usr;   4 con; 0-2 aty)
%            Number of variables   :  343 (   0   ^; 342   !;   1   ?; 343   :)

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

thf(sk__17_type,type,
    sk__17: $i ).

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

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

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

thf(sk__1_type,type,
    sk__1: $i > $i ).

thf(sk__18_type,type,
    sk__18: $i > $i ).

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

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

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

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

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

thf(sk__15_type,type,
    sk__15: $i ).

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

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

thf(sk__16_type,type,
    sk__16: $i > $i ).

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

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

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

thf(redefinition_r1_ordinal1,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
      <=> ( subset @ A @ B ) ) ) ).

thf(zip_derived_cl68,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ( ordinal_subset @ X0 @ X1 )
      | ~ ( subset @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[redefinition_r1_ordinal1]) ).

thf(cc3_ordinal1,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A )
        & ( ordinal @ A ) ) ) ).

thf(zip_derived_cl11,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(t24_ordinal1,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ! [B: $i] :
          ( ( ordinal @ B )
         => ~ ( ~ ( in @ A @ B )
              & ( A != B )
              & ~ ( in @ B @ A ) ) ) ) ).

thf(zip_derived_cl73,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( in @ X1 @ X0 )
      | ( X1 = X0 )
      | ( in @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(cnf,[status(esa)],[t24_ordinal1]) ).

thf(cc1_ordinal1,axiom,
    ! [A: $i] :
      ( ( ordinal @ A )
     => ( ( epsilon_transitive @ A )
        & ( epsilon_connected @ A ) ) ) ).

thf(zip_derived_cl2,plain,
    ! [X0: $i] :
      ( ( epsilon_transitive @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[cc1_ordinal1]) ).

thf(zip_derived_cl11_001,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl73_002,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( in @ X1 @ X0 )
      | ( X1 = X0 )
      | ( in @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(cnf,[status(esa)],[t24_ordinal1]) ).

thf(existence_m1_subset_1,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ) ).

thf(zip_derived_cl16,plain,
    ! [X0: $i] : ( element @ ( sk__1 @ X0 ) @ X0 ),
    inference(cnf,[status(esa)],[existence_m1_subset_1]) ).

thf(t2_subset,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ) ).

thf(zip_derived_cl74,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ X0 @ X1 )
      | ( empty @ X1 )
      | ~ ( element @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t2_subset]) ).

thf(zip_derived_cl593,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__1 @ X0 ) @ X0 )
      | ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl74]) ).

thf(zip_derived_cl16_003,plain,
    ! [X0: $i] : ( element @ ( sk__1 @ X0 ) @ X0 ),
    inference(cnf,[status(esa)],[existence_m1_subset_1]) ).

thf(t5_subset,axiom,
    ! [A: $i,B: $i,C: $i] :
      ~ ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) )
        & ( empty @ C ) ) ).

thf(zip_derived_cl84,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( empty @ X2 )
      | ~ ( element @ X1 @ ( powerset @ X2 ) ) ),
    inference(cnf,[status(esa)],[t5_subset]) ).

thf(zip_derived_cl534,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ ( sk__1 @ ( powerset @ X0 ) ) )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl84]) ).

thf(zip_derived_cl764,plain,
    ! [X0: $i] :
      ( ( empty @ ( sk__1 @ ( powerset @ X0 ) ) )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl534]) ).

thf(t6_boole,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ) ).

thf(zip_derived_cl85,plain,
    ! [X0: $i] :
      ( ( X0 = empty_set )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[t6_boole]) ).

thf(zip_derived_cl1474,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ( ( sk__1 @ ( powerset @ X0 ) )
        = empty_set ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl764,zip_derived_cl85]) ).

thf(zip_derived_cl534_004,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ ( sk__1 @ ( powerset @ X0 ) ) )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl84]) ).

thf(zip_derived_cl1496,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( in @ X1 @ empty_set )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1474,zip_derived_cl534]) ).

thf(zip_derived_cl1504,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ empty_set )
      | ~ ( empty @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl1496]) ).

thf(zip_derived_cl1507,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ empty_set )
      | ( empty_set = X0 )
      | ( in @ empty_set @ X0 )
      | ~ ( ordinal @ X0 )
      | ~ ( empty @ X1 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl73,zip_derived_cl1504]) ).

thf(fc2_ordinal1,axiom,
    ( ( ordinal @ empty_set )
    & ( epsilon_connected @ empty_set )
    & ( epsilon_transitive @ empty_set )
    & ( empty @ empty_set )
    & ( one_to_one @ empty_set )
    & ( function @ empty_set )
    & ( relation_empty_yielding @ empty_set )
    & ( relation @ empty_set ) ) ).

thf(zip_derived_cl21,plain,
    ordinal @ empty_set,
    inference(cnf,[status(esa)],[fc2_ordinal1]) ).

thf(zip_derived_cl1514,plain,
    ! [X0: $i,X1: $i] :
      ( ( empty_set = X0 )
      | ( in @ empty_set @ X0 )
      | ~ ( ordinal @ X0 )
      | ~ ( empty @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1507,zip_derived_cl21]) ).

thf(t32_ordinal1,conjecture,
    ! [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 ) ) ) ) ) ) ) ).

thf(zf_stmt_0,negated_conjecture,
    ~ ! [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('cnf.neg',[status(esa)],[t32_ordinal1]) ).

thf(zip_derived_cl75,plain,
    subset @ sk__15 @ sk__17,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(t3_subset,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ ( powerset @ B ) )
    <=> ( subset @ A @ B ) ) ).

thf(zip_derived_cl82,plain,
    ! [X0: $i,X1: $i] :
      ( ( element @ X0 @ ( powerset @ X1 ) )
      | ~ ( subset @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t3_subset]) ).

thf(t4_subset,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( in @ A @ B )
        & ( element @ B @ ( powerset @ C ) ) )
     => ( element @ A @ C ) ) ).

thf(zip_derived_cl83,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( element @ X1 @ ( powerset @ X2 ) )
      | ( element @ X0 @ X2 ) ),
    inference(cnf,[status(esa)],[t4_subset]) ).

thf(zip_derived_cl621,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( subset @ X1 @ X0 )
      | ~ ( in @ X2 @ X1 )
      | ( element @ X2 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl82,zip_derived_cl83]) ).

thf(zip_derived_cl703,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( element @ X0 @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl75,zip_derived_cl621]) ).

thf(zip_derived_cl74_005,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ X0 @ X1 )
      | ( empty @ X1 )
      | ~ ( element @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t2_subset]) ).

thf(zip_derived_cl721,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( in @ X0 @ sk__17 )
      | ( empty @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl703,zip_derived_cl74]) ).

thf(zip_derived_cl75_006,plain,
    subset @ sk__15 @ sk__17,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl82_007,plain,
    ! [X0: $i,X1: $i] :
      ( ( element @ X0 @ ( powerset @ X1 ) )
      | ~ ( subset @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t3_subset]) ).

thf(zip_derived_cl84_008,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( empty @ X2 )
      | ~ ( element @ X1 @ ( powerset @ X2 ) ) ),
    inference(cnf,[status(esa)],[t5_subset]) ).

thf(zip_derived_cl612,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( subset @ X1 @ X0 )
      | ~ ( in @ X2 @ X1 )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl82,zip_derived_cl84]) ).

thf(zip_derived_cl619,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ~ ( empty @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl75,zip_derived_cl612]) ).

thf(zip_derived_cl965,plain,
    ! [X0: $i] :
      ( ( in @ X0 @ sk__17 )
      | ~ ( in @ X0 @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl721,zip_derived_cl619]) ).

thf(t7_tarski,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ! [C: $i] :
            ~ ( ( in @ C @ B )
              & ! [D: $i] :
                  ~ ( ( in @ D @ B )
                    & ( in @ D @ C ) ) ) ) ).

thf(zip_derived_cl87,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ ( sk__18 @ X1 ) @ X1 ) ),
    inference(cnf,[status(esa)],[t7_tarski]) ).

thf(zip_derived_cl969,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl965,zip_derived_cl87]) ).

thf(zip_derived_cl1629,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( ordinal @ sk__15 )
      | ( empty_set = sk__15 )
      | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1514,zip_derived_cl969]) ).

thf(zip_derived_cl77,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl1677,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( ordinal @ sk__15 )
      | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl1629,zip_derived_cl77]) ).

thf(zip_derived_cl1795,plain,
    ! [X0: $i] :
      ( ~ ( empty @ sk__15 )
      | ~ ( empty @ X0 )
      | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl1677]) ).

thf(zip_derived_cl1972,plain,
    ( ~ ( empty @ sk__15 )
    | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference(condensation,[status(thm)],[zip_derived_cl1795]) ).

thf(zip_derived_cl593_009,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__1 @ X0 ) @ X0 )
      | ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl74]) ).

thf(zip_derived_cl969_010,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl965,zip_derived_cl87]) ).

thf(zip_derived_cl1059,plain,
    ( ( empty @ sk__15 )
    | ( in @ ( sk__18 @ sk__17 ) @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl969]) ).

thf(zip_derived_cl1973,plain,
    in @ ( sk__18 @ sk__17 ) @ sk__17,
    inference(clc,[status(thm)],[zip_derived_cl1972,zip_derived_cl1059]) ).

thf(d2_ordinal1,axiom,
    ! [A: $i] :
      ( ( epsilon_transitive @ A )
    <=> ! [B: $i] :
          ( ( in @ B @ A )
         => ( subset @ B @ A ) ) ) ).

thf(zip_derived_cl13,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( subset @ X0 @ X1 )
      | ~ ( epsilon_transitive @ X1 ) ),
    inference(cnf,[status(esa)],[d2_ordinal1]) ).

thf(zip_derived_cl621_011,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( subset @ X1 @ X0 )
      | ~ ( in @ X2 @ X1 )
      | ( element @ X2 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl82,zip_derived_cl83]) ).

thf(zip_derived_cl700,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( epsilon_transitive @ X0 )
      | ~ ( in @ X1 @ X0 )
      | ~ ( in @ X2 @ X1 )
      | ( element @ X2 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl13,zip_derived_cl621]) ).

thf(zip_derived_cl1978,plain,
    ! [X0: $i] :
      ( ~ ( epsilon_transitive @ sk__17 )
      | ~ ( in @ X0 @ ( sk__18 @ sk__17 ) )
      | ( element @ X0 @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1973,zip_derived_cl700]) ).

thf(zip_derived_cl2865,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ sk__17 )
      | ~ ( in @ X0 @ ( sk__18 @ sk__17 ) )
      | ( element @ X0 @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl2,zip_derived_cl1978]) ).

thf(zip_derived_cl76,plain,
    ordinal @ sk__17,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl2867,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ ( sk__18 @ sk__17 ) )
      | ( element @ X0 @ sk__17 ) ),
    inference(demod,[status(thm)],[zip_derived_cl2865,zip_derived_cl76]) ).

thf(zip_derived_cl593_012,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__1 @ X0 ) @ X0 )
      | ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl74]) ).

thf(zip_derived_cl2867_013,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ ( sk__18 @ sk__17 ) )
      | ( element @ X0 @ sk__17 ) ),
    inference(demod,[status(thm)],[zip_derived_cl2865,zip_derived_cl76]) ).

thf(zip_derived_cl2874,plain,
    ( ( empty @ ( sk__18 @ sk__17 ) )
    | ( element @ ( sk__1 @ ( sk__18 @ sk__17 ) ) @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl2867]) ).

thf(zip_derived_cl74_014,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ X0 @ X1 )
      | ( empty @ X1 )
      | ~ ( element @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t2_subset]) ).

thf(zip_derived_cl2965,plain,
    ( ( empty @ ( sk__18 @ sk__17 ) )
    | ( in @ ( sk__1 @ ( sk__18 @ sk__17 ) ) @ sk__17 )
    | ( empty @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl2874,zip_derived_cl74]) ).

thf(zip_derived_cl1973_015,plain,
    in @ ( sk__18 @ sk__17 ) @ sk__17,
    inference(clc,[status(thm)],[zip_derived_cl1972,zip_derived_cl1059]) ).

thf(t7_boole,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ) ).

thf(zip_derived_cl86,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( empty @ X1 ) ),
    inference(cnf,[status(esa)],[t7_boole]) ).

thf(zip_derived_cl1976,plain,
    ~ ( empty @ sk__17 ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1973,zip_derived_cl86]) ).

thf(zip_derived_cl2976,plain,
    ( ( empty @ ( sk__18 @ sk__17 ) )
    | ( in @ ( sk__1 @ ( sk__18 @ sk__17 ) ) @ sk__17 ) ),
    inference(demod,[status(thm)],[zip_derived_cl2965,zip_derived_cl1976]) ).

thf(zip_derived_cl593_016,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__1 @ X0 ) @ X0 )
      | ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl74]) ).

thf(zip_derived_cl88,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( in @ X2 @ X1 )
      | ~ ( in @ X2 @ ( sk__18 @ X1 ) ) ),
    inference(cnf,[status(esa)],[t7_tarski]) ).

thf(zip_derived_cl641,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ ( sk__18 @ X0 ) )
      | ~ ( in @ X1 @ X0 ) ),
    inference(condensation,[status(thm)],[zip_derived_cl88]) ).

thf(zip_derived_cl771,plain,
    ! [X0: $i] :
      ( ( empty @ ( sk__18 @ X0 ) )
      | ~ ( in @ ( sk__1 @ ( sk__18 @ X0 ) ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl641]) ).

thf(zip_derived_cl3154,plain,
    empty @ ( sk__18 @ sk__17 ),
    inference(clc,[status(thm)],[zip_derived_cl2976,zip_derived_cl771]) ).

thf(zip_derived_cl85_017,plain,
    ! [X0: $i] :
      ( ( X0 = empty_set )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[t6_boole]) ).

thf(zip_derived_cl3156,plain,
    ( ( sk__18 @ sk__17 )
    = empty_set ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3154,zip_derived_cl85]) ).

thf(zip_derived_cl3200,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ empty_set )
      | ( element @ X0 @ sk__17 ) ),
    inference(demod,[status(thm)],[zip_derived_cl2867,zip_derived_cl3156]) ).

thf(zip_derived_cl74_018,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ X0 @ X1 )
      | ( empty @ X1 )
      | ~ ( element @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t2_subset]) ).

thf(zip_derived_cl3793,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ empty_set )
      | ( in @ X0 @ sk__17 )
      | ( empty @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3200,zip_derived_cl74]) ).

thf(zip_derived_cl1976_019,plain,
    ~ ( empty @ sk__17 ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1973,zip_derived_cl86]) ).

thf(zip_derived_cl3794,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ empty_set )
      | ( in @ X0 @ sk__17 ) ),
    inference(demod,[status(thm)],[zip_derived_cl3793,zip_derived_cl1976]) ).

thf(zip_derived_cl3156_020,plain,
    ( ( sk__18 @ sk__17 )
    = empty_set ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3154,zip_derived_cl85]) ).

thf(zip_derived_cl641_021,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ ( sk__18 @ X0 ) )
      | ~ ( in @ X1 @ X0 ) ),
    inference(condensation,[status(thm)],[zip_derived_cl88]) ).

thf(zip_derived_cl3204,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ empty_set )
      | ~ ( in @ X0 @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3156,zip_derived_cl641]) ).

thf(zip_derived_cl3795,plain,
    ! [X0: $i] :
      ~ ( in @ X0 @ empty_set ),
    inference(clc,[status(thm)],[zip_derived_cl3794,zip_derived_cl3204]) ).

thf(zip_derived_cl3796,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ empty_set )
      | ( empty_set = X0 )
      | ( in @ empty_set @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl73,zip_derived_cl3795]) ).

thf(zip_derived_cl21_022,plain,
    ordinal @ empty_set,
    inference(cnf,[status(esa)],[fc2_ordinal1]) ).

thf(zip_derived_cl3806,plain,
    ! [X0: $i] :
      ( ( empty_set = X0 )
      | ( in @ empty_set @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl3796,zip_derived_cl21]) ).

thf(zip_derived_cl87_023,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ ( sk__18 @ X1 ) @ X1 ) ),
    inference(cnf,[status(esa)],[t7_tarski]) ).

thf(zip_derived_cl3836,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl78,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__16 @ X0 ) @ sk__15 )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl79,plain,
    ! [X0: $i] :
      ( ~ ( ordinal_subset @ X0 @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl606,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal_subset @ ( sk__16 @ X0 ) @ ( sk__16 @ ( sk__16 @ X0 ) ) )
      | ~ ( ordinal @ ( sk__16 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl78,zip_derived_cl79]) ).

thf(zip_derived_cl80,plain,
    ! [X0: $i] :
      ( ( ordinal @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl647,plain,
    ! [X0: $i] :
      ( ~ ( ordinal_subset @ ( sk__16 @ X0 ) @ ( sk__16 @ ( sk__16 @ X0 ) ) )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(clc,[status(thm)],[zip_derived_cl606,zip_derived_cl80]) ).

thf(zip_derived_cl4334,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3836,zip_derived_cl647]) ).

thf(zip_derived_cl77_024,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl4387,plain,
    ( ~ ( ordinal @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl4334,zip_derived_cl77]) ).

thf(zip_derived_cl11_025,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl3836_026,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl965_027,plain,
    ! [X0: $i] :
      ( ( in @ X0 @ sk__17 )
      | ~ ( in @ X0 @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl721,zip_derived_cl619]) ).

thf(t23_ordinal1,axiom,
    ! [A: $i,B: $i] :
      ( ( ordinal @ B )
     => ( ( in @ A @ B )
       => ( ordinal @ A ) ) ) ).

thf(zip_derived_cl72,plain,
    ! [X0: $i,X1: $i] :
      ( ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ~ ( in @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t23_ordinal1]) ).

thf(zip_derived_cl967,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ X0 )
      | ~ ( ordinal @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl965,zip_derived_cl72]) ).

thf(zip_derived_cl76_028,plain,
    ordinal @ sk__17,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl976,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl967,zip_derived_cl76]) ).

thf(zip_derived_cl4343,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 )
    | ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3836,zip_derived_cl976]) ).

thf(zip_derived_cl77_029,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl4396,plain,
    ( ~ ( ordinal @ sk__15 )
    | ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl4343,zip_derived_cl77]) ).

thf(zip_derived_cl4432,plain,
    ( ~ ( empty @ sk__15 )
    | ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl4396]) ).

thf(zip_derived_cl593_030,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__1 @ X0 ) @ X0 )
      | ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl74]) ).

thf(zip_derived_cl87_031,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( in @ ( sk__18 @ X1 ) @ X1 ) ),
    inference(cnf,[status(esa)],[t7_tarski]) ).

thf(zip_derived_cl761,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl976_032,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl967,zip_derived_cl76]) ).

thf(zip_derived_cl986,plain,
    ( ( empty @ sk__15 )
    | ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl976]) ).

thf(zip_derived_cl4441,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl4977,plain,
    ( ~ ( ordinal @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl4387,zip_derived_cl4441]) ).

thf(zip_derived_cl4978,plain,
    ( ~ ( empty @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl4977]) ).

thf(zip_derived_cl761_033,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl647_034,plain,
    ! [X0: $i] :
      ( ~ ( ordinal_subset @ ( sk__16 @ X0 ) @ ( sk__16 @ ( sk__16 @ X0 ) ) )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(clc,[status(thm)],[zip_derived_cl606,zip_derived_cl80]) ).

thf(zip_derived_cl809,plain,
    ( ( empty @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl647]) ).

thf(zip_derived_cl986_035,plain,
    ( ( empty @ sk__15 )
    | ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl976]) ).

thf(zip_derived_cl1839,plain,
    ( ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) )
    | ( empty @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl809,zip_derived_cl986]) ).

thf(zip_derived_cl5097,plain,
    ~ ( ordinal_subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl4978,zip_derived_cl1839]) ).

thf(zip_derived_cl5098,plain,
    ( ~ ( subset @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl68,zip_derived_cl5097]) ).

thf(zip_derived_cl761_036,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl78_037,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__16 @ X0 ) @ sk__15 )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl73_038,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( in @ X1 @ X0 )
      | ( X1 = X0 )
      | ( in @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(cnf,[status(esa)],[t24_ordinal1]) ).

thf(zip_derived_cl641_039,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ ( sk__18 @ X0 ) )
      | ~ ( in @ X1 @ X0 ) ),
    inference(condensation,[status(thm)],[zip_derived_cl88]) ).

thf(zip_derived_cl643,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X1 )
      | ( in @ ( sk__18 @ X0 ) @ X1 )
      | ( X1
        = ( sk__18 @ X0 ) )
      | ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ~ ( in @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl73,zip_derived_cl641]) ).

thf(zip_derived_cl761_040,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl78_041,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__16 @ X0 ) @ sk__15 )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl976_042,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl967,zip_derived_cl76]) ).

thf(zip_derived_cl984,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ ( sk__16 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl78,zip_derived_cl976]) ).

thf(zip_derived_cl976_043,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl967,zip_derived_cl76]) ).

thf(zip_derived_cl1015,plain,
    ! [X0: $i] :
      ( ( ordinal @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl984,zip_derived_cl976]) ).

thf(zip_derived_cl2_044,plain,
    ! [X0: $i] :
      ( ( epsilon_transitive @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[cc1_ordinal1]) ).

thf(zip_derived_cl13_045,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ( subset @ X0 @ X1 )
      | ~ ( epsilon_transitive @ X1 ) ),
    inference(cnf,[status(esa)],[d2_ordinal1]) ).

thf(zip_derived_cl761_046,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl1015_047,plain,
    ! [X0: $i] :
      ( ( ordinal @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl984,zip_derived_cl976]) ).

thf(zip_derived_cl68_048,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ( ordinal_subset @ X0 @ X1 )
      | ~ ( subset @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[redefinition_r1_ordinal1]) ).

thf(zip_derived_cl11_049,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl3836_050,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl79_051,plain,
    ! [X0: $i] :
      ( ~ ( ordinal_subset @ X0 @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl4332,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3836,zip_derived_cl79]) ).

thf(zip_derived_cl77_052,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl4385,plain,
    ( ~ ( ordinal @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl4332,zip_derived_cl77]) ).

thf(zip_derived_cl4441_053,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl4642,plain,
    ( ~ ( ordinal @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl4385,zip_derived_cl4441]) ).

thf(zip_derived_cl4643,plain,
    ( ~ ( empty @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl4642]) ).

thf(zip_derived_cl761_054,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl79_055,plain,
    ! [X0: $i] :
      ( ~ ( ordinal_subset @ X0 @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 )
      | ~ ( ordinal @ X0 ) ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl807,plain,
    ( ( empty @ sk__15 )
    | ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl79]) ).

thf(zip_derived_cl986_056,plain,
    ( ( empty @ sk__15 )
    | ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl976]) ).

thf(zip_derived_cl1826,plain,
    ( ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ( empty @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl807,zip_derived_cl986]) ).

thf(zip_derived_cl4766,plain,
    ~ ( ordinal_subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl4643,zip_derived_cl1826]) ).

thf(zip_derived_cl4767,plain,
    ( ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl68,zip_derived_cl4766]) ).

thf(zip_derived_cl4441_057,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl4778,plain,
    ( ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl4767,zip_derived_cl4441]) ).

thf(zip_derived_cl5007,plain,
    ( ~ ( in @ ( sk__18 @ sk__15 ) @ sk__15 )
    | ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1015,zip_derived_cl4778]) ).

thf(zip_derived_cl5020,plain,
    ( ( empty @ sk__15 )
    | ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl5007]) ).

thf(zip_derived_cl11_058,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl3836_059,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl5007_060,plain,
    ( ~ ( in @ ( sk__18 @ sk__15 ) @ sk__15 )
    | ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1015,zip_derived_cl4778]) ).

thf(zip_derived_cl5021,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 )
    | ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3836,zip_derived_cl5007]) ).

thf(zip_derived_cl77_061,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl5028,plain,
    ( ~ ( ordinal @ sk__15 )
    | ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl5021,zip_derived_cl77]) ).

thf(zip_derived_cl5036,plain,
    ( ~ ( empty @ sk__15 )
    | ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl5028]) ).

thf(zip_derived_cl5835,plain,
    ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl5020,zip_derived_cl5036]) ).

thf(zip_derived_cl5836,plain,
    ( ~ ( epsilon_transitive @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl13,zip_derived_cl5835]) ).

thf(zip_derived_cl6110,plain,
    ( ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl2,zip_derived_cl5836]) ).

thf(zip_derived_cl6120,plain,
    ( ~ ( in @ ( sk__18 @ sk__15 ) @ sk__15 )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1015,zip_derived_cl6110]) ).

thf(zip_derived_cl6169,plain,
    ( ( empty @ sk__15 )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl6120]) ).

thf(zip_derived_cl11_062,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl3836_063,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl6120_064,plain,
    ( ~ ( in @ ( sk__18 @ sk__15 ) @ sk__15 )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1015,zip_derived_cl6110]) ).

thf(zip_derived_cl6170,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3836,zip_derived_cl6120]) ).

thf(zip_derived_cl77_065,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl6177,plain,
    ( ~ ( ordinal @ sk__15 )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl6170,zip_derived_cl77]) ).

thf(zip_derived_cl6184,plain,
    ( ~ ( empty @ sk__15 )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl6177]) ).

thf(zip_derived_cl6226,plain,
    ~ ( in @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl6169,zip_derived_cl6184]) ).

thf(zip_derived_cl6228,plain,
    ( ~ ( in @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ sk__15 )
    | ~ ( ordinal @ ( sk__18 @ sk__15 ) )
    | ( ( sk__16 @ ( sk__18 @ sk__15 ) )
      = ( sk__18 @ sk__15 ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl643,zip_derived_cl6226]) ).

thf(zip_derived_cl4441_066,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl6238,plain,
    ( ~ ( in @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ sk__15 )
    | ( ( sk__16 @ ( sk__18 @ sk__15 ) )
      = ( sk__18 @ sk__15 ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl6228,zip_derived_cl4441]) ).

thf(zip_derived_cl976_067,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl967,zip_derived_cl76]) ).

thf(zip_derived_cl78089,plain,
    ( ( ( sk__16 @ ( sk__18 @ sk__15 ) )
      = ( sk__18 @ sk__15 ) )
    | ~ ( in @ ( sk__16 @ ( sk__18 @ sk__15 ) ) @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl6238,zip_derived_cl976]) ).

thf(zip_derived_cl78095,plain,
    ( ~ ( ordinal @ ( sk__18 @ sk__15 ) )
    | ~ ( in @ ( sk__18 @ sk__15 ) @ sk__15 )
    | ( ( sk__16 @ ( sk__18 @ sk__15 ) )
      = ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl78,zip_derived_cl78089]) ).

thf(zip_derived_cl4441_068,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl78137,plain,
    ( ~ ( in @ ( sk__18 @ sk__15 ) @ sk__15 )
    | ( ( sk__16 @ ( sk__18 @ sk__15 ) )
      = ( sk__18 @ sk__15 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl78095,zip_derived_cl4441]) ).

thf(zip_derived_cl78238,plain,
    ( ( empty @ sk__15 )
    | ( ( sk__16 @ ( sk__18 @ sk__15 ) )
      = ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl78137]) ).

thf(zip_derived_cl11_069,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl3836_070,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl72_071,plain,
    ! [X0: $i,X1: $i] :
      ( ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ~ ( in @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t23_ordinal1]) ).

thf(zip_derived_cl4319,plain,
    ! [X0: $i] :
      ( ( empty_set = X0 )
      | ~ ( ordinal @ X0 )
      | ( ordinal @ ( sk__18 @ X0 ) )
      | ~ ( ordinal @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3836,zip_derived_cl72]) ).

thf(zip_derived_cl4381,plain,
    ! [X0: $i] :
      ( ( ordinal @ ( sk__18 @ X0 ) )
      | ~ ( ordinal @ X0 )
      | ( empty_set = X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl4319]) ).

thf(zip_derived_cl3806_072,plain,
    ! [X0: $i] :
      ( ( empty_set = X0 )
      | ( in @ empty_set @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl3796,zip_derived_cl21]) ).

thf(zip_derived_cl643_073,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X1 )
      | ( in @ ( sk__18 @ X0 ) @ X1 )
      | ( X1
        = ( sk__18 @ X0 ) )
      | ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ~ ( in @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl73,zip_derived_cl641]) ).

thf(zip_derived_cl3795_074,plain,
    ! [X0: $i] :
      ~ ( in @ X0 @ empty_set ),
    inference(clc,[status(thm)],[zip_derived_cl3794,zip_derived_cl3204]) ).

thf(zip_derived_cl3805,plain,
    ! [X0: $i] :
      ( ~ ( in @ empty_set @ X0 )
      | ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ( empty_set
        = ( sk__18 @ X0 ) )
      | ~ ( ordinal @ empty_set ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl643,zip_derived_cl3795]) ).

thf(zip_derived_cl21_075,plain,
    ordinal @ empty_set,
    inference(cnf,[status(esa)],[fc2_ordinal1]) ).

thf(zip_derived_cl3811,plain,
    ! [X0: $i] :
      ( ~ ( in @ empty_set @ X0 )
      | ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ( empty_set
        = ( sk__18 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl3805,zip_derived_cl21]) ).

thf(zip_derived_cl4104,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ( empty_set
        = ( sk__18 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl3811]) ).

thf(zip_derived_cl4509,plain,
    ! [X0: $i] :
      ( ( empty_set = X0 )
      | ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( empty_set
        = ( sk__18 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl4381,zip_derived_cl4104]) ).

thf(zip_derived_cl4517,plain,
    ! [X0: $i] :
      ( ( empty_set
        = ( sk__18 @ X0 ) )
      | ~ ( ordinal @ X0 )
      | ( empty_set = X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl4509]) ).

thf(zip_derived_cl761_076,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl1015_077,plain,
    ! [X0: $i] :
      ( ( ordinal @ ( sk__16 @ X0 ) )
      | ~ ( in @ X0 @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl984,zip_derived_cl976]) ).

thf(zip_derived_cl73_078,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( in @ X1 @ X0 )
      | ( X1 = X0 )
      | ( in @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(cnf,[status(esa)],[t24_ordinal1]) ).

thf(zip_derived_cl86_079,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( empty @ X1 ) ),
    inference(cnf,[status(esa)],[t7_boole]) ).

thf(zip_derived_cl540,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X1 )
      | ( in @ X0 @ X1 )
      | ( X1 = X0 )
      | ~ ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl73,zip_derived_cl86]) ).

thf(zip_derived_cl11_080,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl670,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ( X1 = X0 )
      | ( in @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl540,zip_derived_cl11]) ).

thf(zip_derived_cl761_081,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl87]) ).

thf(zip_derived_cl72_082,plain,
    ! [X0: $i,X1: $i] :
      ( ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ~ ( in @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t23_ordinal1]) ).

thf(zip_derived_cl801,plain,
    ! [X0: $i] :
      ( ( empty @ X0 )
      | ( ordinal @ ( sk__18 @ X0 ) )
      | ~ ( ordinal @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl72]) ).

thf(zip_derived_cl670_083,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ( X1 = X0 )
      | ( in @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl540,zip_derived_cl11]) ).

thf(zip_derived_cl641_084,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ ( sk__18 @ X0 ) )
      | ~ ( in @ X1 @ X0 ) ),
    inference(condensation,[status(thm)],[zip_derived_cl88]) ).

thf(zip_derived_cl684,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( empty @ X1 )
      | ~ ( in @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl670,zip_derived_cl641]) ).

thf(zip_derived_cl850,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty @ X0 )
      | ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( empty @ X1 )
      | ~ ( in @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl801,zip_derived_cl684]) ).

thf(zip_derived_cl86_085,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( empty @ X1 ) ),
    inference(cnf,[status(esa)],[t7_boole]) ).

thf(zip_derived_cl7854,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ X0 )
      | ~ ( empty @ X1 )
      | ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( ordinal @ X0 ) ),
    inference(clc,[status(thm)],[zip_derived_cl850,zip_derived_cl86]) ).

thf(zip_derived_cl7857,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( X0 = X1 )
      | ~ ( empty @ X1 )
      | ~ ( empty @ X1 )
      | ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( ordinal @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl670,zip_derived_cl7854]) ).

thf(zip_derived_cl7880,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( empty @ X1 )
      | ( X0 = X1 )
      | ~ ( ordinal @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl7857]) ).

thf(t8_boole,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ) ).

thf(zip_derived_cl89,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( empty @ X1 )
      | ( X0 = X1 ) ),
    inference(cnf,[status(esa)],[t8_boole]) ).

thf(zip_derived_cl1973_086,plain,
    in @ ( sk__18 @ sk__17 ) @ sk__17,
    inference(clc,[status(thm)],[zip_derived_cl1972,zip_derived_cl1059]) ).

thf(zip_derived_cl1981,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( empty @ ( sk__18 @ sk__17 ) )
      | ( in @ X0 @ sk__17 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl89,zip_derived_cl1973]) ).

thf(zip_derived_cl3154_087,plain,
    empty @ ( sk__18 @ sk__17 ),
    inference(clc,[status(thm)],[zip_derived_cl2976,zip_derived_cl771]) ).

thf(zip_derived_cl3155,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ( in @ X0 @ sk__17 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1981,zip_derived_cl3154]) ).

thf(zip_derived_cl1973_088,plain,
    in @ ( sk__18 @ sk__17 ) @ sk__17,
    inference(clc,[status(thm)],[zip_derived_cl1972,zip_derived_cl1059]) ).

thf(zip_derived_cl72_089,plain,
    ! [X0: $i,X1: $i] :
      ( ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ~ ( in @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[t23_ordinal1]) ).

thf(zip_derived_cl1975,plain,
    ( ( ordinal @ ( sk__18 @ sk__17 ) )
    | ~ ( ordinal @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1973,zip_derived_cl72]) ).

thf(zip_derived_cl76_090,plain,
    ordinal @ sk__17,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl1983,plain,
    ordinal @ ( sk__18 @ sk__17 ),
    inference(demod,[status(thm)],[zip_derived_cl1975,zip_derived_cl76]) ).

thf(zip_derived_cl684_091,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ ( sk__18 @ X0 ) )
      | ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( empty @ X1 )
      | ~ ( in @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl670,zip_derived_cl641]) ).

thf(zip_derived_cl1990,plain,
    ! [X0: $i] :
      ( ( ( sk__18 @ sk__17 )
        = X0 )
      | ~ ( empty @ X0 )
      | ~ ( in @ X0 @ sk__17 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1983,zip_derived_cl684]) ).

thf(zip_derived_cl3477,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ( ( sk__18 @ sk__17 )
        = X0 )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3155,zip_derived_cl1990]) ).

thf(zip_derived_cl3486,plain,
    ! [X0: $i] :
      ( ( ( sk__18 @ sk__17 )
        = X0 )
      | ~ ( empty @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl3477]) ).

thf(zip_derived_cl9394,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( empty @ ( sk__18 @ sk__17 ) )
      | ( ( sk__18 @ X0 )
        = ( sk__18 @ sk__17 ) )
      | ( X0 = X1 )
      | ~ ( empty @ X1 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl7880,zip_derived_cl3486]) ).

thf(zip_derived_cl3156_092,plain,
    ( ( sk__18 @ sk__17 )
    = empty_set ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3154,zip_derived_cl85]) ).

thf(fc12_relat_1,axiom,
    ( ( relation_empty_yielding @ empty_set )
    & ( relation @ empty_set )
    & ( empty @ empty_set ) ) ).

thf(zip_derived_cl19,plain,
    empty @ empty_set,
    inference(cnf,[status(esa)],[fc12_relat_1]) ).

thf(zip_derived_cl3156_093,plain,
    ( ( sk__18 @ sk__17 )
    = empty_set ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3154,zip_derived_cl85]) ).

thf(zip_derived_cl10185,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( ( sk__18 @ X0 )
        = empty_set )
      | ( X0 = X1 )
      | ~ ( empty @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl9394,zip_derived_cl3156,zip_derived_cl19,zip_derived_cl3156]) ).

thf(zip_derived_cl3836_094,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ ( sk__18 @ X0 ) @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl87]) ).

thf(zip_derived_cl17805,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X1 )
      | ( X0 = X1 )
      | ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X0 )
      | ( empty_set = X0 )
      | ( in @ empty_set @ X0 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl10185,zip_derived_cl3836]) ).

thf(zip_derived_cl20107,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ empty_set @ X0 )
      | ( empty_set = X0 )
      | ~ ( ordinal @ X0 )
      | ( X0 = X1 )
      | ~ ( empty @ X1 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl17805]) ).

thf(zip_derived_cl1474_095,plain,
    ! [X0: $i] :
      ( ~ ( empty @ X0 )
      | ( ( sk__1 @ ( powerset @ X0 ) )
        = empty_set ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl764,zip_derived_cl85]) ).

thf(zip_derived_cl7880_096,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( empty @ X1 )
      | ( X0 = X1 )
      | ~ ( ordinal @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl7857]) ).

thf(zip_derived_cl764_097,plain,
    ! [X0: $i] :
      ( ( empty @ ( sk__1 @ ( powerset @ X0 ) ) )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl534]) ).

thf(zip_derived_cl89_098,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( empty @ X1 )
      | ( X0 = X1 ) ),
    inference(cnf,[status(esa)],[t8_boole]) ).

thf(zip_derived_cl1475,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( empty @ X1 )
      | ( ( sk__1 @ ( powerset @ X0 ) )
        = X1 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl764,zip_derived_cl89]) ).

thf(zip_derived_cl7880_099,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( sk__18 @ X0 )
        = X1 )
      | ~ ( empty @ X1 )
      | ( X0 = X1 )
      | ~ ( ordinal @ X0 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl7857]) ).

thf(zip_derived_cl10120,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( sk__18 @ X0 )
       != X0 )
      | ~ ( ordinal @ X0 )
      | ( X0 = X1 )
      | ~ ( empty @ X1 ) ),
    inference(eq_fact,[status(thm)],[zip_derived_cl7880]) ).

thf(zip_derived_cl10435,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( empty @ ( sk__18 @ X1 ) )
      | ~ ( empty @ X0 )
      | ( ( sk__1 @ ( powerset @ X0 ) )
       != X1 )
      | ~ ( ordinal @ X1 )
      | ( X1 = X2 )
      | ~ ( empty @ X2 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1475,zip_derived_cl10120]) ).

thf(zip_derived_cl16600,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ ( sk__18 @ X0 ) )
      | ( X0
        = ( sk__18 @ X0 ) )
      | ~ ( ordinal @ X0 )
      | ( ( sk__1 @ ( powerset @ X1 ) )
       != X0 )
      | ~ ( empty @ X1 ) ),
    inference(eq_fact,[status(thm)],[zip_derived_cl10435]) ).

thf(zip_derived_cl16671,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( ordinal @ X1 )
      | ( X1 = X0 )
      | ~ ( empty @ X0 )
      | ~ ( empty @ X0 )
      | ( X1 = X0 )
      | ~ ( ordinal @ X1 )
      | ( ( sk__1 @ ( powerset @ X2 ) )
       != X1 )
      | ~ ( empty @ X2 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl7880,zip_derived_cl16600]) ).

thf(zip_derived_cl16685,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( empty @ X2 )
      | ( ( sk__1 @ ( powerset @ X2 ) )
       != X1 )
      | ~ ( empty @ X0 )
      | ( X1 = X0 )
      | ~ ( ordinal @ X1 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl16671]) ).

thf(zip_derived_cl16810,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( empty @ X1 )
      | ~ ( empty @ X1 )
      | ( empty_set != X0 )
      | ~ ( empty @ X2 )
      | ( X0 = X2 )
      | ~ ( ordinal @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1474,zip_derived_cl16685]) ).

thf(zip_derived_cl16822,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( ordinal @ X0 )
      | ( X0 = X2 )
      | ~ ( empty @ X2 )
      | ( empty_set != X0 )
      | ~ ( empty @ X1 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl16810]) ).

thf(zip_derived_cl16867,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( X0 = X1 )
      | ~ ( empty @ X1 )
      | ( empty_set != X0 ) ),
    inference(condensation,[status(thm)],[zip_derived_cl16822]) ).

thf(zip_derived_cl29882,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X1 )
      | ( X0 = X1 )
      | ~ ( ordinal @ X0 )
      | ( in @ empty_set @ X0 ) ),
    inference(clc,[status(thm)],[zip_derived_cl20107,zip_derived_cl16867]) ).

thf(zip_derived_cl593_100,plain,
    ! [X0: $i] :
      ( ( in @ ( sk__1 @ X0 ) @ X0 )
      | ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl74]) ).

thf(connectedness_r1_ordinal1,axiom,
    ! [A: $i,B: $i] :
      ( ( ( ordinal @ A )
        & ( ordinal @ B ) )
     => ( ( ordinal_subset @ A @ B )
        | ( ordinal_subset @ B @ A ) ) ) ).

thf(zip_derived_cl12,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ( ordinal_subset @ X0 @ X1 )
      | ( ordinal_subset @ X1 @ X0 ) ),
    inference(cnf,[status(esa)],[connectedness_r1_ordinal1]) ).

thf(zip_derived_cl67,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ( subset @ X0 @ X1 )
      | ~ ( ordinal_subset @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[redefinition_r1_ordinal1]) ).

thf(zip_derived_cl513,plain,
    ! [X0: $i,X1: $i] :
      ( ( ordinal_subset @ X0 @ X1 )
      | ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ~ ( ordinal @ X1 )
      | ~ ( ordinal @ X0 )
      | ( subset @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl12,zip_derived_cl67]) ).

thf(zip_derived_cl516,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X1 @ X0 )
      | ~ ( ordinal @ X1 )
      | ~ ( ordinal @ X0 )
      | ( ordinal_subset @ X0 @ X1 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl513]) ).

thf(zip_derived_cl67_101,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 )
      | ( subset @ X0 @ X1 )
      | ~ ( ordinal_subset @ X0 @ X1 ) ),
    inference(cnf,[status(esa)],[redefinition_r1_ordinal1]) ).

thf(zip_derived_cl525,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X1 )
      | ~ ( ordinal @ X0 )
      | ( subset @ X0 @ X1 )
      | ~ ( ordinal @ X1 )
      | ~ ( ordinal @ X0 )
      | ( subset @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl516,zip_derived_cl67]) ).

thf(zip_derived_cl526,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X1 @ X0 )
      | ( subset @ X0 @ X1 )
      | ~ ( ordinal @ X0 )
      | ~ ( ordinal @ X1 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl525]) ).

thf(zip_derived_cl612_102,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( subset @ X1 @ X0 )
      | ~ ( in @ X2 @ X1 )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl82,zip_derived_cl84]) ).

thf(zip_derived_cl834,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( ordinal @ X1 )
      | ~ ( ordinal @ X0 )
      | ( subset @ X0 @ X1 )
      | ~ ( in @ X2 @ X1 )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl526,zip_derived_cl612]) ).

thf(zip_derived_cl11_103,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl864,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( in @ X2 @ X1 )
      | ( subset @ X0 @ X1 )
      | ~ ( ordinal @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl834,zip_derived_cl11]) ).

thf(zip_derived_cl869,plain,
    ! [X0: $i,X1: $i] :
      ( ( empty @ X0 )
      | ~ ( empty @ X1 )
      | ( subset @ X1 @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl864]) ).

thf(zip_derived_cl764_104,plain,
    ! [X0: $i] :
      ( ( empty @ ( sk__1 @ ( powerset @ X0 ) ) )
      | ~ ( empty @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl593,zip_derived_cl534]) ).

thf(zip_derived_cl89_105,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( empty @ X1 )
      | ( X0 = X1 ) ),
    inference(cnf,[status(esa)],[t8_boole]) ).

thf(zip_derived_cl16_106,plain,
    ! [X0: $i] : ( element @ ( sk__1 @ X0 ) @ X0 ),
    inference(cnf,[status(esa)],[existence_m1_subset_1]) ).

thf(zip_derived_cl81,plain,
    ! [X0: $i,X1: $i] :
      ( ( subset @ X0 @ X1 )
      | ~ ( element @ X0 @ ( powerset @ X1 ) ) ),
    inference(cnf,[status(esa)],[t3_subset]) ).

thf(zip_derived_cl595,plain,
    ! [X0: $i] : ( subset @ ( sk__1 @ ( powerset @ X0 ) ) @ X0 ),
    inference('s_sup-',[status(thm)],[zip_derived_cl16,zip_derived_cl81]) ).

thf(zip_derived_cl638,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ ( sk__1 @ ( powerset @ X1 ) ) )
      | ~ ( empty @ X0 )
      | ( subset @ X0 @ X1 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl89,zip_derived_cl595]) ).

thf(zip_derived_cl2148,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( empty @ X0 )
      | ~ ( empty @ X1 )
      | ( subset @ X1 @ X0 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl764,zip_derived_cl638]) ).

thf(zip_derived_cl5032,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( ordinal @ X0 )
      | ( subset @ X1 @ X0 )
      | ~ ( empty @ X1 ) ),
    inference(clc,[status(thm)],[zip_derived_cl869,zip_derived_cl2148]) ).

thf(zip_derived_cl5835_107,plain,
    ~ ( subset @ ( sk__18 @ sk__15 ) @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl5020,zip_derived_cl5036]) ).

thf(zip_derived_cl5838,plain,
    ( ~ ( empty @ ( sk__18 @ sk__15 ) )
    | ~ ( ordinal @ ( sk__16 @ ( sk__18 @ sk__15 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl5032,zip_derived_cl5835]) ).

thf(zip_derived_cl32859,plain,
    ! [X0: $i] :
      ( ( in @ empty_set @ ( sk__18 @ sk__15 ) )
      | ~ ( ordinal @ ( sk__18 @ sk__15 ) )
      | ~ ( empty @ X0 )
      | ~ ( empty @ X0 )
      | ~ ( ordinal @ ( sk__16 @ X0 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl29882,zip_derived_cl5838]) ).

thf(zip_derived_cl4441_108,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl33430,plain,
    ! [X0: $i] :
      ( ( in @ empty_set @ ( sk__18 @ sk__15 ) )
      | ~ ( empty @ X0 )
      | ~ ( empty @ X0 )
      | ~ ( ordinal @ ( sk__16 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl32859,zip_derived_cl4441]) ).

thf(zip_derived_cl33431,plain,
    ! [X0: $i] :
      ( ~ ( ordinal @ ( sk__16 @ X0 ) )
      | ~ ( empty @ X0 )
      | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl33430]) ).

thf(zip_derived_cl33891,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ~ ( empty @ X0 )
      | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1015,zip_derived_cl33431]) ).

thf(zip_derived_cl33924,plain,
    ( ( empty @ sk__15 )
    | ~ ( empty @ ( sk__18 @ sk__15 ) )
    | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl761,zip_derived_cl33891]) ).

thf(zip_derived_cl11_109,plain,
    ! [X0: $i] :
      ( ( ordinal @ X0 )
      | ~ ( empty @ X0 ) ),
    inference(cnf,[status(esa)],[cc3_ordinal1]) ).

thf(zip_derived_cl3806_110,plain,
    ! [X0: $i] :
      ( ( empty_set = X0 )
      | ( in @ empty_set @ X0 )
      | ~ ( ordinal @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl3796,zip_derived_cl21]) ).

thf(zip_derived_cl33891_111,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ sk__15 )
      | ~ ( empty @ X0 )
      | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1015,zip_derived_cl33431]) ).

thf(zip_derived_cl33914,plain,
    ( ~ ( ordinal @ sk__15 )
    | ( empty_set = sk__15 )
    | ~ ( empty @ empty_set )
    | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl3806,zip_derived_cl33891]) ).

thf(zip_derived_cl19_112,plain,
    empty @ empty_set,
    inference(cnf,[status(esa)],[fc12_relat_1]) ).

thf(zip_derived_cl33932,plain,
    ( ~ ( ordinal @ sk__15 )
    | ( empty_set = sk__15 )
    | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl33914,zip_derived_cl19]) ).

thf(zip_derived_cl77_113,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl33933,plain,
    ( ~ ( ordinal @ sk__15 )
    | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl33932,zip_derived_cl77]) ).

thf(zip_derived_cl33941,plain,
    ( ~ ( empty @ sk__15 )
    | ( in @ empty_set @ ( sk__18 @ sk__15 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl33933]) ).

thf(zip_derived_cl34297,plain,
    ( ( in @ empty_set @ ( sk__18 @ sk__15 ) )
    | ~ ( empty @ ( sk__18 @ sk__15 ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl33924,zip_derived_cl33941]) ).

thf(zip_derived_cl86_114,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ X1 )
      | ~ ( empty @ X1 ) ),
    inference(cnf,[status(esa)],[t7_boole]) ).

thf(zip_derived_cl34298,plain,
    ~ ( empty @ ( sk__18 @ sk__15 ) ),
    inference(clc,[status(thm)],[zip_derived_cl34297,zip_derived_cl86]) ).

thf(zip_derived_cl34309,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 )
    | ~ ( empty @ empty_set ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl4517,zip_derived_cl34298]) ).

thf(zip_derived_cl19_115,plain,
    empty @ empty_set,
    inference(cnf,[status(esa)],[fc12_relat_1]) ).

thf(zip_derived_cl34322,plain,
    ( ( empty_set = sk__15 )
    | ~ ( ordinal @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl34309,zip_derived_cl19]) ).

thf(zip_derived_cl77_116,plain,
    sk__15 != empty_set,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl34323,plain,
    ~ ( ordinal @ sk__15 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl34322,zip_derived_cl77]) ).

thf(zip_derived_cl34330,plain,
    ~ ( empty @ sk__15 ),
    inference('s_sup-',[status(thm)],[zip_derived_cl11,zip_derived_cl34323]) ).

thf(zip_derived_cl78272,plain,
    ( ( sk__16 @ ( sk__18 @ sk__15 ) )
    = ( sk__18 @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl78238,zip_derived_cl34330]) ).

thf(zip_derived_cl78272_117,plain,
    ( ( sk__16 @ ( sk__18 @ sk__15 ) )
    = ( sk__18 @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl78238,zip_derived_cl34330]) ).

thf(zip_derived_cl78272_118,plain,
    ( ( sk__16 @ ( sk__18 @ sk__15 ) )
    = ( sk__18 @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl78238,zip_derived_cl34330]) ).

thf(reflexivity_r1_tarski,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ) ).

thf(zip_derived_cl70,plain,
    ! [X0: $i] : ( subset @ X0 @ X0 ),
    inference(cnf,[status(esa)],[reflexivity_r1_tarski]) ).

thf(zip_derived_cl78272_119,plain,
    ( ( sk__16 @ ( sk__18 @ sk__15 ) )
    = ( sk__18 @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl78238,zip_derived_cl34330]) ).

thf(zip_derived_cl78272_120,plain,
    ( ( sk__16 @ ( sk__18 @ sk__15 ) )
    = ( sk__18 @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl78238,zip_derived_cl34330]) ).

thf(zip_derived_cl4441_121,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl78272_122,plain,
    ( ( sk__16 @ ( sk__18 @ sk__15 ) )
    = ( sk__18 @ sk__15 ) ),
    inference(demod,[status(thm)],[zip_derived_cl78238,zip_derived_cl34330]) ).

thf(zip_derived_cl4441_123,plain,
    ordinal @ ( sk__18 @ sk__15 ),
    inference(clc,[status(thm)],[zip_derived_cl4432,zip_derived_cl986]) ).

thf(zip_derived_cl78326,plain,
    $false,
    inference(demod,[status(thm)],[zip_derived_cl5098,zip_derived_cl78272,zip_derived_cl78272,zip_derived_cl78272,zip_derived_cl70,zip_derived_cl78272,zip_derived_cl78272,zip_derived_cl4441,zip_derived_cl78272,zip_derived_cl4441]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU235+3 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.2dkj0dORR2 true
% 0.15/0.35  % Computer : n012.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 300
% 0.15/0.35  % DateTime : Wed Aug 23 13:13:42 EDT 2023
% 0.15/0.35  % CPUTime  : 
% 0.15/0.35  % Running portfolio for 300 s
% 0.15/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.35  % Number of cores: 8
% 0.15/0.36  % Python version: Python 3.6.8
% 0.15/0.36  % Running in FO mode
% 0.22/0.65  % Total configuration time : 435
% 0.22/0.65  % Estimated wc time : 1092
% 0.22/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.22/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.22/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.22/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.22/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.22/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.22/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.22/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 88.51/13.24  % Solved by fo/fo6_bce.sh.
% 88.51/13.24  % BCE start: 90
% 88.51/13.24  % BCE eliminated: 9
% 88.51/13.24  % PE start: 81
% 88.51/13.24  logic: eq
% 88.51/13.24  % PE eliminated: 2
% 88.51/13.24  % done 5881 iterations in 12.481s
% 88.51/13.24  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 88.51/13.24  % SZS output start Refutation
% See solution above
% 88.51/13.24  
% 88.51/13.24  
% 88.51/13.24  % Terminating...
% 88.51/13.30  % Runner terminated.
% 88.51/13.31  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------