TSTP Solution File: SET646+3 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET646+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n025.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 11:53:57 EDT 2023

% Result   : Theorem 7.25s 2.49s
% Output   : Refutation 7.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   45
% Syntax   : Number of formulae    :  149 (  24 unt;  19 typ;   0 def)
%            Number of atoms       :  470 (  84 equ;   0 cnn)
%            Maximal formula atoms :   15 (   3 avg)
%            Number of connectives : 1640 ( 129   ~;  88   |;  37   &;1203   @)
%                                         (  13 <=>; 170  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   21 (  21   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   22 (  19 usr;   7 con; 0-2 aty)
%            Number of variables   :  264 (   0   ^; 252   !;  12   ?; 264   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ilf_type_type,type,
    ilf_type: $i > $i > $o ).

thf(set_type_type,type,
    set_type: $i ).

thf(member_type,type,
    member: $i > $i > $o ).

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

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

thf(relation_type_type,type,
    relation_type: $i > $i > $i ).

thf(subset_type_type,type,
    subset_type: $i > $i ).

thf(cross_product_type,type,
    cross_product: $i > $i > $i ).

thf(member_type_type,type,
    member_type: $i > $i ).

thf(power_set_type,type,
    power_set: $i > $i ).

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

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

thf(relation_like_type,type,
    relation_like: $i > $o ).

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

thf(sk1_type,type,
    sk1: $i ).

thf(sk2_type,type,
    sk2: $i ).

thf(sk3_type,type,
    sk3: $i ).

thf(sk4_type,type,
    sk4: $i ).

thf(sk5_type,type,
    sk5: $i > $i ).

thf(11,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
             => ( relation_like @ C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p24) ).

thf(69,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
             => ( relation_like @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(20,axiom,
    ! [A: $i] : ( ilf_type @ A @ set_type ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p25) ).

thf(115,plain,
    ! [A: $i] : ( ilf_type @ A @ set_type ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(116,plain,
    ! [A: $i] : ( ilf_type @ A @ set_type ),
    inference(cnf,[status(esa)],[115]) ).

thf(4,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( ilf_type @ B @ ( subset_type @ A ) )
          <=> ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p12) ).

thf(40,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( ( ilf_type @ B @ ( subset_type @ A ) )
             => ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) ) )
            & ( ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) )
             => ( ilf_type @ B @ ( subset_type @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(41,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) )
      | ( ilf_type @ B @ ( subset_type @ A ) ) ),
    inference(cnf,[status(esa)],[40]) ).

thf(294,plain,
    ! [B: $i,A: $i] :
      ( ~ $true
      | ~ $true
      | ~ ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) )
      | ( ilf_type @ B @ ( subset_type @ A ) ) ),
    inference(rewrite,[status(thm)],[41,116]) ).

thf(295,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) )
      | ( ilf_type @ B @ ( subset_type @ A ) ) ),
    inference(simp,[status(thm)],[294]) ).

thf(297,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( subset_type @ B ) )
      | ( ( ilf_type @ A @ set_type )
       != ( ilf_type @ C @ ( member_type @ ( power_set @ B ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[116,295]) ).

thf(301,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( subset_type @ B ) )
      | ( A != C )
      | ( ( member_type @ ( power_set @ B ) )
       != set_type ) ),
    inference(simp,[status(thm)],[297]) ).

thf(308,plain,
    ! [B: $i,A: $i] :
      ( ( ilf_type @ B @ ( subset_type @ A ) )
      | ( ( member_type @ ( power_set @ A ) )
       != set_type ) ),
    inference(simp,[status(thm)],[301]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ! [C: $i] :
                ( ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
               => ( ilf_type @ C @ ( relation_type @ A @ B ) ) )
            & ! [C: $i] :
                ( ( ilf_type @ C @ ( relation_type @ A @ B ) )
               => ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p3) ).

thf(36,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ! [C: $i] :
                ( ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
               => ( ilf_type @ C @ ( relation_type @ A @ B ) ) )
            & ! [C: $i] :
                ( ( ilf_type @ C @ ( relation_type @ A @ B ) )
               => ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(38,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
      | ( ilf_type @ C @ ( relation_type @ A @ B ) ) ),
    inference(cnf,[status(esa)],[36]) ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ! [D: $i] :
                  ( ( ilf_type @ D @ set_type )
                 => ( ( ( member @ C @ A )
                      & ( member @ D @ B ) )
                   => ( ilf_type @ ( singleton @ ( ordered_pair @ C @ D ) ) @ ( relation_type @ A @ B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_relset_1_8) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( ilf_type @ A @ set_type )
       => ! [B: $i] :
            ( ( ilf_type @ B @ set_type )
           => ! [C: $i] :
                ( ( ilf_type @ C @ set_type )
               => ! [D: $i] :
                    ( ( ilf_type @ D @ set_type )
                   => ( ( ( member @ C @ A )
                        & ( member @ D @ B ) )
                     => ( ilf_type @ ( singleton @ ( ordered_pair @ C @ D ) ) @ ( relation_type @ A @ B ) ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(28,plain,
    ~ ! [A: $i] :
        ( ( ilf_type @ A @ set_type )
       => ! [B: $i] :
            ( ( ilf_type @ B @ set_type )
           => ! [C: $i] :
                ( ( ilf_type @ C @ set_type )
               => ! [D: $i] :
                    ( ( ilf_type @ D @ set_type )
                   => ( ( ( member @ C @ A )
                        & ( member @ D @ B ) )
                     => ( ilf_type @ ( singleton @ ( ordered_pair @ C @ D ) ) @ ( relation_type @ A @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(30,plain,
    ~ ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( relation_type @ sk1 @ sk2 ) ),
    inference(cnf,[status(esa)],[28]) ).

thf(179,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
      | ( ( ilf_type @ C @ ( relation_type @ A @ B ) )
       != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( relation_type @ sk1 @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[38,30]) ).

thf(180,plain,
    ( ~ ( ilf_type @ sk1 @ set_type )
    | ~ ( ilf_type @ sk2 @ set_type )
    | ~ ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ) ),
    inference(pattern_uni,[status(thm)],[179:[bind(A,$thf( sk1 )),bind(B,$thf( sk2 )),bind(C,$thf( singleton @ ( ordered_pair @ sk3 @ sk4 ) ))]]) ).

thf(225,plain,
    ( ~ $true
    | ~ $true
    | ~ ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ) ),
    inference(rewrite,[status(thm)],[180,116]) ).

thf(226,plain,
    ~ ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[225]) ).

thf(315,plain,
    ! [B: $i,A: $i] :
      ( ( ( member_type @ ( power_set @ A ) )
       != set_type )
      | ( ( ilf_type @ B @ ( subset_type @ A ) )
       != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[308,226]) ).

thf(316,plain,
    ( ( member_type @ ( power_set @ ( cross_product @ sk1 @ sk2 ) ) )
   != set_type ),
    inference(pattern_uni,[status(thm)],[315:[bind(A,$thf( cross_product @ sk1 @ sk2 )),bind(B,$thf( singleton @ ( ordered_pair @ sk3 @ sk4 ) ))]]) ).

thf(311,plain,
    ! [B: $i,A: $i] :
      ( ( ( member_type @ ( power_set @ A ) )
       != set_type )
      | ( ( ilf_type @ B @ ( subset_type @ A ) )
       != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( relation_type @ sk1 @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[308,30]) ).

thf(320,plain,
    ! [B: $i,A: $i] :
      ( ( ( member_type @ ( power_set @ A ) )
       != set_type )
      | ( B
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( ( subset_type @ A )
       != ( relation_type @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[311]) ).

thf(321,plain,
    ! [A: $i] :
      ( ( ( member_type @ ( power_set @ A ) )
       != set_type )
      | ( ( subset_type @ A )
       != ( relation_type @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[320]) ).

thf(8,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ? [B: $i] : ( ilf_type @ B @ ( subset_type @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p13) ).

thf(52,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ? [B: $i] : ( ilf_type @ B @ ( subset_type @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(53,plain,
    ! [A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) ) ),
    inference(cnf,[status(esa)],[52]) ).

thf(269,plain,
    ! [A: $i] :
      ( ~ $true
      | ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) ) ),
    inference(rewrite,[status(thm)],[53,116]) ).

thf(270,plain,
    ! [A: $i] : ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) ),
    inference(simp,[status(thm)],[269]) ).

thf(42,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ B @ ( subset_type @ A ) )
      | ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) ) ),
    inference(cnf,[status(esa)],[40]) ).

thf(371,plain,
    ! [B: $i,A: $i] :
      ( ~ $true
      | ~ $true
      | ~ ( ilf_type @ B @ ( subset_type @ A ) )
      | ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) ) ),
    inference(rewrite,[status(thm)],[42,116]) ).

thf(372,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ B @ ( subset_type @ A ) )
      | ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) ) ),
    inference(simp,[status(thm)],[371]) ).

thf(384,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( member_type @ ( power_set @ B ) ) )
      | ( ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) )
       != ( ilf_type @ C @ ( subset_type @ B ) ) ) ),
    inference(paramod_ordered,[status(thm)],[270,372]) ).

thf(385,plain,
    ! [A: $i] : ( ilf_type @ ( sk5 @ A ) @ ( member_type @ ( power_set @ A ) ) ),
    inference(pattern_uni,[status(thm)],[384:[bind(A,$thf( D )),bind(B,$thf( D )),bind(C,$thf( sk5 @ D ))]]) ).

thf(403,plain,
    ! [A: $i] : ( ilf_type @ ( sk5 @ A ) @ ( member_type @ ( power_set @ A ) ) ),
    inference(simp,[status(thm)],[385]) ).

thf(17,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ? [C: $i] : ( ilf_type @ C @ ( relation_type @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p4) ).

thf(103,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ? [C: $i] : ( ilf_type @ C @ ( relation_type @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(5,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ! [D: $i] :
                  ( ( ilf_type @ D @ set_type )
                 => ( ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
                  <=> ( ( member @ A @ C )
                      & ( member @ B @ D ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p2) ).

thf(43,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ! [D: $i] :
                  ( ( ilf_type @ D @ set_type )
                 => ( ( ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) )
                     => ( ( member @ A @ C )
                        & ( member @ B @ D ) ) )
                    & ( ( ( member @ A @ C )
                        & ( member @ B @ D ) )
                     => ( member @ ( ordered_pair @ A @ B ) @ ( cross_product @ C @ D ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(37,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ C @ ( relation_type @ A @ B ) )
      | ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) ) ),
    inference(cnf,[status(esa)],[36]) ).

thf(39,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ C @ ( relation_type @ A @ B ) )
      | ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) ) ),
    inference(simp,[status(thm)],[37]) ).

thf(246,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ $true
      | ~ $true
      | ~ ( ilf_type @ C @ ( relation_type @ A @ B ) )
      | ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) ) ),
    inference(rewrite,[status(thm)],[39,116]) ).

thf(247,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( ilf_type @ C @ ( relation_type @ A @ B ) )
      | ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) ) ),
    inference(simp,[status(thm)],[246]) ).

thf(25,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( ilf_type @ A @ set_type ) )
     => ? [B: $i] : ( ilf_type @ B @ ( member_type @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p20) ).

thf(142,plain,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( ilf_type @ A @ set_type ) )
     => ? [B: $i] : ( ilf_type @ B @ ( member_type @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(29,plain,
    ilf_type @ sk3 @ set_type,
    inference(cnf,[status(esa)],[28]) ).

thf(161,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( ilf_type @ B @ set_type )
      | ~ ( ilf_type @ C @ ( subset_type @ ( cross_product @ A @ B ) ) )
      | ( ilf_type @ C @ ( relation_type @ A @ B ) )
      | ( ( ilf_type @ sk3 @ set_type )
       != ( ilf_type @ A @ set_type ) ) ),
    inference(paramod_ordered,[status(thm)],[29,38]) ).

thf(162,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ ( subset_type @ ( cross_product @ sk3 @ A ) ) )
      | ( ilf_type @ B @ ( relation_type @ sk3 @ A ) ) ),
    inference(pattern_uni,[status(thm)],[161:[bind(A,$thf( sk3 ))]]) ).

thf(198,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( ilf_type @ B @ ( subset_type @ ( cross_product @ sk3 @ A ) ) )
      | ( ilf_type @ B @ ( relation_type @ sk3 @ A ) ) ),
    inference(simp,[status(thm)],[162]) ).

thf(232,plain,
    ! [B: $i,A: $i] :
      ( ~ $true
      | ~ ( ilf_type @ B @ ( subset_type @ ( cross_product @ sk3 @ A ) ) )
      | ( ilf_type @ B @ ( relation_type @ sk3 @ A ) ) ),
    inference(rewrite,[status(thm)],[198,116]) ).

thf(233,plain,
    ! [B: $i,A: $i] :
      ( ~ ( ilf_type @ B @ ( subset_type @ ( cross_product @ sk3 @ A ) ) )
      | ( ilf_type @ B @ ( relation_type @ sk3 @ A ) ) ),
    inference(simp,[status(thm)],[232]) ).

thf(234,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( relation_type @ sk3 @ B ) )
      | ( ( ilf_type @ A @ set_type )
       != ( ilf_type @ C @ ( subset_type @ ( cross_product @ sk3 @ B ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[116,233]) ).

thf(238,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( relation_type @ sk3 @ B ) )
      | ( A != C )
      | ( ( subset_type @ ( cross_product @ sk3 @ B ) )
       != set_type ) ),
    inference(simp,[status(thm)],[234]) ).

thf(244,plain,
    ! [B: $i,A: $i] :
      ( ( ilf_type @ B @ ( relation_type @ sk3 @ A ) )
      | ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type ) ),
    inference(simp,[status(thm)],[238]) ).

thf(325,plain,
    ! [B: $i,A: $i] :
      ( ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type )
      | ( ( ilf_type @ B @ ( relation_type @ sk3 @ A ) )
       != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( relation_type @ sk1 @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[244,30]) ).

thf(331,plain,
    ! [B: $i,A: $i] :
      ( ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type )
      | ( B
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( ( relation_type @ sk3 @ A )
       != ( relation_type @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[325]) ).

thf(335,plain,
    ! [A: $i] :
      ( ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type )
      | ( ( relation_type @ sk3 @ A )
       != ( relation_type @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[331]) ).

thf(339,plain,
    ! [A: $i] :
      ( ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type )
      | ( sk3 != sk1 )
      | ( A != sk2 ) ),
    inference(simp,[status(thm)],[335]) ).

thf(340,plain,
    ( ( ( subset_type @ ( cross_product @ sk3 @ sk2 ) )
     != set_type )
    | ( sk3 != sk1 ) ),
    inference(simp,[status(thm)],[339]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( member @ A @ ( power_set @ B ) )
          <=> ! [C: $i] :
                ( ( ilf_type @ C @ set_type )
               => ( ( member @ C @ A )
                 => ( member @ C @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p17) ).

thf(74,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( ( member @ A @ ( power_set @ B ) )
             => ! [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                 => ( ( member @ C @ A )
                   => ( member @ C @ B ) ) ) )
            & ( ! [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                 => ( ( member @ C @ A )
                   => ( member @ C @ B ) ) )
             => ( member @ A @ ( power_set @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(21,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( A = B )
          <=> ! [C: $i] :
                ( ( ilf_type @ C @ set_type )
               => ( ( member @ C @ A )
                <=> ( member @ C @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p14) ).

thf(117,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( ( A = B )
             => ! [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                 => ( ( ( member @ C @ A )
                     => ( member @ C @ B ) )
                    & ( ( member @ C @ B )
                     => ( member @ C @ A ) ) ) ) )
            & ( ! [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                 => ( ( ( member @ C @ A )
                     => ( member @ C @ B ) )
                    & ( ( member @ C @ B )
                     => ( member @ C @ A ) ) ) )
             => ( A = B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(16,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ( ( C
                  = ( singleton @ B ) )
              <=> ! [D: $i] :
                    ( ( ilf_type @ D @ set_type )
                   => ( ( member @ D @ C )
                    <=> ( D = B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p5) ).

thf(85,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ( ( ( C
                    = ( singleton @ B ) )
                 => ! [D: $i] :
                      ( ( ilf_type @ D @ set_type )
                     => ( ( ( member @ D @ C )
                         => ( D = B ) )
                        & ( ( D = B )
                         => ( member @ D @ C ) ) ) ) )
                & ( ! [D: $i] :
                      ( ( ilf_type @ D @ set_type )
                     => ( ( ( member @ D @ C )
                         => ( D = B ) )
                        & ( ( D = B )
                         => ( member @ D @ C ) ) ) )
                 => ( C
                    = ( singleton @ B ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(23,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ ( ordered_pair @ A @ B ) @ set_type ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p8) ).

thf(137,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ ( ordered_pair @ A @ B ) @ set_type ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(227,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[116,226]) ).

thf(228,plain,
    ! [A: $i] :
      ( ( A
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( ( subset_type @ ( cross_product @ sk1 @ sk2 ) )
       != set_type ) ),
    inference(simp,[status(thm)],[227]) ).

thf(229,plain,
    ( ( subset_type @ ( cross_product @ sk1 @ sk2 ) )
   != set_type ),
    inference(simp,[status(thm)],[228]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ~ ( empty @ ( power_set @ A ) )
        & ( ilf_type @ ( power_set @ A ) @ set_type ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p18) ).

thf(47,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ~ ( empty @ ( power_set @ A ) )
        & ( ilf_type @ ( power_set @ A ) @ set_type ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(48,plain,
    ! [A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ~ ( empty @ ( power_set @ A ) ) ),
    inference(cnf,[status(esa)],[47]) ).

thf(223,plain,
    ! [A: $i] :
      ( ~ $true
      | ~ ( empty @ ( power_set @ A ) ) ),
    inference(rewrite,[status(thm)],[48,116]) ).

thf(224,plain,
    ! [A: $i] :
      ~ ( empty @ ( power_set @ A ) ),
    inference(simp,[status(thm)],[223]) ).

thf(22,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( subset @ ( singleton @ A ) @ B )
          <=> ( member @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p1) ).

thf(134,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( ( subset @ ( singleton @ A ) @ B )
             => ( member @ A @ B ) )
            & ( ( member @ A @ B )
             => ( subset @ ( singleton @ A ) @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(18,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ ( cross_product @ A @ B ) @ set_type ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p9) ).

thf(105,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ ( cross_product @ A @ B ) @ set_type ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(34,plain,
    member @ sk3 @ sk1,
    inference(cnf,[status(esa)],[28]) ).

thf(274,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( relation_type @ sk3 @ B ) )
      | ( ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) )
       != ( ilf_type @ C @ ( subset_type @ ( cross_product @ sk3 @ B ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[270,233]) ).

thf(275,plain,
    ! [A: $i] : ( ilf_type @ ( sk5 @ ( cross_product @ sk3 @ A ) ) @ ( relation_type @ sk3 @ A ) ),
    inference(pattern_uni,[status(thm)],[274:[bind(A,$thf( cross_product @ sk3 @ F )),bind(B,$thf( F )),bind(C,$thf( sk5 @ ( cross_product @ sk3 @ F ) ))]]) ).

thf(279,plain,
    ! [A: $i] : ( ilf_type @ ( sk5 @ ( cross_product @ sk3 @ A ) ) @ ( relation_type @ sk3 @ A ) ),
    inference(simp,[status(thm)],[275]) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( subset @ A @ B )
          <=> ! [C: $i] :
                ( ( ilf_type @ C @ set_type )
               => ( ( member @ C @ A )
                 => ( member @ C @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p15) ).

thf(64,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( ( subset @ A @ B )
             => ! [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                 => ( ( member @ C @ A )
                   => ( member @ C @ B ) ) ) )
            & ( ! [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                 => ( ( member @ C @ A )
                   => ( member @ C @ B ) ) )
             => ( subset @ A @ B ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(12,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ~ ( empty @ B )
            & ( ilf_type @ B @ set_type ) )
         => ( ( ilf_type @ A @ ( member_type @ B ) )
          <=> ( member @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p19) ).

thf(71,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ~ ( empty @ B )
            & ( ilf_type @ B @ set_type ) )
         => ( ( ( ilf_type @ A @ ( member_type @ B ) )
             => ( member @ A @ B ) )
            & ( ( member @ A @ B )
             => ( ilf_type @ A @ ( member_type @ B ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ( relation_like @ A )
      <=> ! [B: $i] :
            ( ( ilf_type @ B @ set_type )
           => ( ( member @ B @ A )
             => ? [C: $i] :
                  ( ( ilf_type @ C @ set_type )
                  & ? [D: $i] :
                      ( ( ilf_type @ D @ set_type )
                      & ( B
                        = ( ordered_pair @ C @ D ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p22) ).

thf(54,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ( ( relation_like @ A )
         => ! [B: $i] :
              ( ( ilf_type @ B @ set_type )
             => ( ( member @ B @ A )
               => ? [C: $i] :
                    ( ( ilf_type @ C @ set_type )
                    & ? [D: $i] :
                        ( ( ilf_type @ D @ set_type )
                        & ( B
                          = ( ordered_pair @ C @ D ) ) ) ) ) ) )
        & ( ! [B: $i] :
              ( ( ilf_type @ B @ set_type )
             => ( ( member @ B @ A )
               => ? [C: $i] :
                    ( ( ilf_type @ C @ set_type )
                    & ? [D: $i] :
                        ( ( ilf_type @ D @ set_type )
                        & ( B
                          = ( ordered_pair @ C @ D ) ) ) ) ) )
         => ( relation_like @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( ( empty @ A )
        & ( ilf_type @ A @ set_type ) )
     => ( relation_like @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p23) ).

thf(144,plain,
    ! [A: $i] :
      ( ( ( empty @ A )
        & ( ilf_type @ A @ set_type ) )
     => ( relation_like @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(273,plain,
    ! [A: $i] :
      ( ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) )
     != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( relation_type @ sk1 @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[270,30]) ).

thf(278,plain,
    ! [A: $i] :
      ( ( ( sk5 @ A )
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( ( subset_type @ A )
       != ( relation_type @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[273]) ).

thf(272,plain,
    ! [A: $i] :
      ( ( ilf_type @ ( sk5 @ A ) @ ( subset_type @ A ) )
     != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ) ),
    inference(paramod_ordered,[status(thm)],[270,226]) ).

thf(277,plain,
    ! [A: $i] :
      ( ( ( sk5 @ A )
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( ( subset_type @ A )
       != ( subset_type @ ( cross_product @ sk1 @ sk2 ) ) ) ),
    inference(simp,[status(thm)],[272]) ).

thf(281,plain,
    ! [A: $i] :
      ( ( ( sk5 @ A )
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( A
       != ( cross_product @ sk1 @ sk2 ) ) ),
    inference(simp,[status(thm)],[277]) ).

thf(282,plain,
    ( ( sk5 @ ( cross_product @ sk1 @ sk2 ) )
   != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) ),
    inference(simp,[status(thm)],[281]) ).

thf(326,plain,
    ! [E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type )
      | ( ilf_type @ E @ ( subset_type @ ( cross_product @ C @ D ) ) )
      | ( ( ilf_type @ B @ ( relation_type @ sk3 @ A ) )
       != ( ilf_type @ E @ ( relation_type @ C @ D ) ) ) ),
    inference(paramod_ordered,[status(thm)],[244,247]) ).

thf(327,plain,
    ! [B: $i,A: $i] :
      ( ( ( subset_type @ ( cross_product @ sk3 @ A ) )
       != set_type )
      | ( ilf_type @ B @ ( subset_type @ ( cross_product @ sk3 @ A ) ) ) ),
    inference(pattern_uni,[status(thm)],[326:[bind(A,$thf( A )),bind(B,$thf( B )),bind(C,$thf( sk3 )),bind(D,$thf( A )),bind(E,$thf( B ))]]) ).

thf(7,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ ( unordered_pair @ A @ B ) @ set_type ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p10) ).

thf(50,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ ( unordered_pair @ A @ B ) @ set_type ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(31,plain,
    member @ sk4 @ sk2,
    inference(cnf,[status(esa)],[28]) ).

thf(24,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( unordered_pair @ A @ B )
            = ( unordered_pair @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p11) ).

thf(139,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ( unordered_pair @ A @ B )
            = ( unordered_pair @ B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(27,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( subset @ A @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p16) ).

thf(146,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( subset @ A @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(374,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( member_type @ ( power_set @ B ) ) )
      | ( ( ilf_type @ A @ set_type )
       != ( ilf_type @ C @ ( subset_type @ B ) ) ) ),
    inference(paramod_ordered,[status(thm)],[116,372]) ).

thf(398,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ilf_type @ C @ ( member_type @ ( power_set @ B ) ) )
      | ( A != C )
      | ( ( subset_type @ B )
       != set_type ) ),
    inference(simp,[status(thm)],[374]) ).

thf(410,plain,
    ! [B: $i,A: $i] :
      ( ( ilf_type @ B @ ( member_type @ ( power_set @ A ) ) )
      | ( ( subset_type @ A )
       != set_type ) ),
    inference(simp,[status(thm)],[398]) ).

thf(19,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ! [D: $i] :
                  ( ( ilf_type @ D @ set_type )
                 => ! [E: $i] :
                      ( ( ilf_type @ E @ set_type )
                     => ( ( E
                          = ( ordered_pair @ C @ D ) )
                      <=> ( E
                          = ( unordered_pair @ ( unordered_pair @ C @ D ) @ ( singleton @ C ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p7) ).

thf(107,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ! [C: $i] :
              ( ( ilf_type @ C @ set_type )
             => ! [D: $i] :
                  ( ( ilf_type @ D @ set_type )
                 => ! [E: $i] :
                      ( ( ilf_type @ E @ set_type )
                     => ( ( ( E
                            = ( ordered_pair @ C @ D ) )
                         => ( E
                            = ( unordered_pair @ ( unordered_pair @ C @ D ) @ ( singleton @ C ) ) ) )
                        & ( ( E
                            = ( unordered_pair @ ( unordered_pair @ C @ D ) @ ( singleton @ C ) ) )
                         => ( E
                            = ( ordered_pair @ C @ D ) ) ) ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(147,plain,
    ! [A: $i] :
      ( ~ ( ilf_type @ A @ set_type )
      | ( subset @ A @ A ) ),
    inference(cnf,[status(esa)],[146]) ).

thf(267,plain,
    ! [A: $i] :
      ( ~ $true
      | ( subset @ A @ A ) ),
    inference(rewrite,[status(thm)],[147,116]) ).

thf(268,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(simp,[status(thm)],[267]) ).

thf(14,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ( empty @ A )
      <=> ! [B: $i] :
            ( ( ilf_type @ B @ set_type )
           => ~ ( member @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21) ).

thf(79,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ( ( empty @ A )
         => ! [B: $i] :
              ( ( ilf_type @ B @ set_type )
             => ~ ( member @ B @ A ) ) )
        & ( ! [B: $i] :
              ( ( ilf_type @ B @ set_type )
             => ~ ( member @ B @ A ) )
         => ( empty @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(313,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( ( member_type @ ( power_set @ A ) )
       != set_type )
      | ( ilf_type @ D @ ( relation_type @ sk3 @ C ) )
      | ( ( ilf_type @ B @ ( subset_type @ A ) )
       != ( ilf_type @ D @ ( subset_type @ ( cross_product @ sk3 @ C ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[308,233]) ).

thf(314,plain,
    ! [B: $i,A: $i] :
      ( ( ( member_type @ ( power_set @ ( cross_product @ sk3 @ B ) ) )
       != set_type )
      | ( ilf_type @ A @ ( relation_type @ sk3 @ B ) ) ),
    inference(pattern_uni,[status(thm)],[313:[bind(A,$thf( cross_product @ sk3 @ F )),bind(B,$thf( B )),bind(C,$thf( F )),bind(D,$thf( B ))]]) ).

thf(322,plain,
    ! [B: $i,A: $i] :
      ( ( ( member_type @ ( power_set @ ( cross_product @ sk3 @ B ) ) )
       != set_type )
      | ( ilf_type @ A @ ( relation_type @ sk3 @ B ) ) ),
    inference(simp,[status(thm)],[314]) ).

thf(15,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ilf_type @ ( singleton @ A ) @ set_type ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p6) ).

thf(83,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( ilf_type @ ( singleton @ A ) @ set_type ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(220,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     != ( ilf_type @ ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) @ ( relation_type @ sk1 @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[116,30]) ).

thf(221,plain,
    ! [A: $i] :
      ( ( A
       != ( singleton @ ( ordered_pair @ sk3 @ sk4 ) ) )
      | ( ( relation_type @ sk1 @ sk2 )
       != set_type ) ),
    inference(simp,[status(thm)],[220]) ).

thf(222,plain,
    ( ( relation_type @ sk1 @ sk2 )
   != set_type ),
    inference(simp,[status(thm)],[221]) ).

thf(465,plain,
    $false,
    inference(e,[status(thm)],[69,316,321,403,103,43,115,308,247,142,340,52,372,116,74,233,117,270,85,28,137,229,224,134,105,244,34,279,64,71,54,144,335,278,226,295,282,327,50,31,40,139,146,30,410,36,107,268,79,47,277,322,83,222]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET646+3 : TPTP v8.1.2. Released v2.2.0.
% 0.06/0.15  % Command  : run_Leo-III %s %d
% 0.16/0.36  % Computer : n025.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit : 300
% 0.16/0.36  % WCLimit  : 300
% 0.16/0.36  % DateTime : Thu May 18 19:25:35 EDT 2023
% 0.16/0.36  % CPUTime  : 
% 0.92/0.83  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.24/0.96  % [INFO] 	 Parsing done (125ms). 
% 1.24/0.97  % [INFO] 	 Running in sequential loop mode. 
% 1.68/1.15  % [INFO] 	 eprover registered as external prover. 
% 1.68/1.16  % [INFO] 	 cvc4 registered as external prover. 
% 1.68/1.16  % [INFO] 	 Scanning for conjecture ... 
% 1.77/1.22  % [INFO] 	 Found a conjecture and 25 axioms. Running axiom selection ... 
% 1.97/1.27  % [INFO] 	 Axiom selection finished. Selected 25 axioms (removed 0 axioms). 
% 2.12/1.31  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.12/1.32  % [INFO] 	 Type checking passed. 
% 2.12/1.32  % [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 ... 
% 7.25/2.49  % External prover 'e' found a proof!
% 7.25/2.49  % [INFO] 	 Killing All external provers ... 
% 7.25/2.49  % Time passed: 1979ms (effective reasoning time: 1520ms)
% 7.25/2.49  % 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)>
% 7.25/2.49  % Axioms used in derivation (25): p12, p18, p15, p3, p22, p11, p2, p17, p9, p1, p24, p13, p16, p20, p10, p19, p4, p7, p5, p23, p21, p25, p14, p6, p8
% 7.25/2.49  % No. of inferences in proof: 130
% 7.25/2.49  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1979 ms resp. 1520 ms w/o parsing
% 7.25/2.55  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 7.25/2.55  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------