TSTP Solution File: SET662+3 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET662+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n015.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 11:54:00 EDT 2023

% Result   : Theorem 3.86s 1.89s
% Output   : Refutation 4.08s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   36
% Syntax   : Number of formulae    :   60 (   7 unt;  14 typ;   0 def)
%            Number of atoms       :  175 (   3 equ;   0 cnn)
%            Maximal formula atoms :   13 (   3 avg)
%            Number of connectives :  541 (  13   ~;   0   |;  22   &; 399   @)
%                                         (   6 <=>; 101  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   19 (  19   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   16 (  14 usr;   3 con; 0-2 aty)
%            Number of variables   :   94 (   0   ^;  82   !;  12   ?;  94   :)

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

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

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

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

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

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

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

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

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

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

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

thf(type_type,type,
    type: $i > $i > $o ).

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

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

thf(14,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',p18) ).

thf(56,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)],[14]) ).

thf(13,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',p11) ).

thf(52,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)],[13]) ).

thf(17,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',p7) ).

thf(61,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)],[17]) ).

thf(16,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p5a) ).

thf(60,plain,
    empty @ empty_set,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(22,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ? [B: $i] : ( ilf_type @ B @ ( subset_type @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p8) ).

thf(77,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ? [B: $i] : ( ilf_type @ B @ ( subset_type @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(8,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',p6) ).

thf(41,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)],[8]) ).

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',p14) ).

thf(49,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(7,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',p19) ).

thf(39,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)],[7]) ).

thf(11,axiom,
    type @ empty_set @ set_type,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p5b) ).

thf(48,plain,
    type @ empty_set @ set_type,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(15,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',p15) ).

thf(58,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)],[15]) ).

thf(4,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',p3) ).

thf(30,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)],[4]) ).

thf(23,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',p16) ).

thf(79,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)],[23]) ).

thf(19,axiom,
    ! [A: $i] : ( ilf_type @ A @ set_type ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p20) ).

thf(68,plain,
    ! [A: $i] : ( ilf_type @ A @ set_type ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( ilf_type @ empty_set @ ( relation_type @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_relset_1_25) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( ilf_type @ A @ set_type )
       => ! [B: $i] :
            ( ( ilf_type @ B @ set_type )
           => ( ilf_type @ empty_set @ ( relation_type @ A @ B ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(24,plain,
    ~ ! [A: $i] :
        ( ( ilf_type @ A @ set_type )
       => ! [B: $i] :
            ( ( ilf_type @ B @ set_type )
           => ( ilf_type @ empty_set @ ( relation_type @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( subset @ empty_set @ ( cross_product @ A @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p1) ).

thf(37,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ! [B: $i] :
          ( ( ilf_type @ B @ set_type )
         => ( subset @ empty_set @ ( cross_product @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( subset @ A @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p10) ).

thf(28,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ( subset @ A @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(20,axiom,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ~ ( member @ A @ empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p4) ).

thf(70,plain,
    ! [A: $i] :
      ( ( ilf_type @ A @ set_type )
     => ~ ( member @ A @ empty_set ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(5,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',p12) ).

thf(32,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)],[5]) ).

thf(10,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',p13) ).

thf(45,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)],[10]) ).

thf(18,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',p2) ).

thf(64,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)],[18]) ).

thf(21,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',p9) ).

thf(72,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)],[21]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ( ( empty @ A )
        & ( ilf_type @ A @ set_type ) )
     => ( relation_like @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p17) ).

thf(43,plain,
    ! [A: $i] :
      ( ( ( empty @ A )
        & ( ilf_type @ A @ set_type ) )
     => ( relation_like @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(89,plain,
    $false,
    inference(e,[status(thm)],[56,52,61,60,77,41,49,39,48,58,30,79,68,24,37,28,70,32,45,64,72,43]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SET662+3 : TPTP v8.1.2. Released v2.2.0.
% 0.07/0.15  % Command  : run_Leo-III %s %d
% 0.16/0.35  % Computer : n015.cluster.edu
% 0.16/0.35  % Model    : x86_64 x86_64
% 0.16/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.35  % Memory   : 8042.1875MB
% 0.16/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.35  % CPULimit : 300
% 0.16/0.35  % WCLimit  : 300
% 0.16/0.35  % DateTime : Thu May 18 19:12:38 EDT 2023
% 0.16/0.35  % CPUTime  : 
% 0.95/0.84  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.17/0.98  % [INFO] 	 Parsing done (139ms). 
% 1.17/0.99  % [INFO] 	 Running in sequential loop mode. 
% 1.69/1.19  % [INFO] 	 eprover registered as external prover. 
% 1.69/1.19  % [INFO] 	 cvc4 registered as external prover. 
% 1.69/1.19  % [INFO] 	 Scanning for conjecture ... 
% 1.88/1.25  % [INFO] 	 Found a conjecture and 21 axioms. Running axiom selection ... 
% 2.01/1.30  % [INFO] 	 Axiom selection finished. Selected 21 axioms (removed 0 axioms). 
% 2.01/1.33  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.01/1.34  % [INFO] 	 Type checking passed. 
% 2.01/1.34  % [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 ... 
% 3.86/1.88  % External prover 'e' found a proof!
% 3.86/1.89  % [INFO] 	 Killing All external provers ... 
% 3.86/1.89  % Time passed: 1371ms (effective reasoning time: 896ms)
% 3.86/1.89  % 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)>
% 3.86/1.89  % Axioms used in derivation (21): p12, p18, p15, p5a, p11, p2, p14, p17, p9, p1, p13, p16, p20, p10, p19, p4, p7, p5b, p3, p6, p8
% 3.86/1.89  % No. of inferences in proof: 46
% 3.86/1.89  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1371 ms resp. 896 ms w/o parsing
% 4.08/1.95  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 4.08/1.95  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------