TSTP Solution File: SET811+4 by Leo-III---1.7.7

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SET811+4 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n028.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 11:54:22 EDT 2023

% Result   : Theorem 4.16s 2.16s
% Output   : Refutation 4.47s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   41
% Syntax   : Number of formulae    :   63 (   3 unt;  21 typ;   0 def)
%            Number of atoms       :  201 (  12 equ;   0 cnn)
%            Maximal formula atoms :   22 (   4 avg)
%            Number of connectives :  634 (  10   ~;   9   |;  65   &; 465   @)
%                                         (  17 <=>;  68  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   9 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   33 (  33   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   23 (  21 usr;   4 con; 0-3 aty)
%            Number of variables   :  131 (   0   ^; 122   !;   9   ?; 131   :)

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

thf(on_type,type,
    on: $i ).

thf(equal_set_type,type,
    equal_set: $i > $i > $o ).

thf(initial_segment_type,type,
    initial_segment: $i > $i > $i > $i ).

thf(member_predicate_type,type,
    member_predicate: $i ).

thf(least_type,type,
    least: $i > $i > $i > $o ).

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

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

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

thf(set_type,type,
    set: $i > $o ).

thf(strict_well_order_type,type,
    strict_well_order: $i > $i > $o ).

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

thf(product_type,type,
    product: $i > $i ).

thf(strict_order_type,type,
    strict_order: $i > $i > $o ).

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

thf(suc_type,type,
    suc: $i > $i ).

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

thf(difference_type,type,
    difference: $i > $i > $i ).

thf(intersection_type,type,
    intersection: $i > $i > $i ).

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

thf(sum_type,type,
    sum: $i > $i ).

thf(12,axiom,
    ! [A: $i] :
      ~ ( member @ A @ empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',empty_set) ).

thf(142,plain,
    ! [A: $i] :
      ~ ( member @ A @ empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(17,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ A @ ( union @ B @ C ) )
    <=> ( ( member @ A @ B )
        | ( member @ A @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union) ).

thf(164,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ A @ ( union @ B @ C ) )
       => ( ( member @ A @ B )
          | ( member @ A @ C ) ) )
      & ( ( ( member @ A @ B )
          | ( member @ A @ C ) )
       => ( member @ A @ ( union @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( member @ D @ ( initial_segment @ A @ B @ C ) )
    <=> ( ( member @ D @ C )
        & ( apply @ B @ D @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',initial_segment) ).

thf(38,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( ( member @ D @ ( initial_segment @ A @ B @ C ) )
       => ( ( member @ D @ C )
          & ( apply @ B @ D @ A ) ) )
      & ( ( ( member @ D @ C )
          & ( apply @ B @ D @ A ) )
       => ( member @ D @ ( initial_segment @ A @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ A @ ( product @ B ) )
    <=> ! [C: $i] :
          ( ( member @ C @ B )
         => ( member @ A @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',product) ).

thf(65,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ ( product @ B ) )
       => ! [C: $i] :
            ( ( member @ C @ B )
           => ( member @ A @ C ) ) )
      & ( ! [C: $i] :
            ( ( member @ C @ B )
           => ( member @ A @ C ) )
       => ( member @ A @ ( product @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(15,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ A @ ( intersection @ B @ C ) )
    <=> ( ( member @ A @ B )
        & ( member @ A @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection) ).

thf(156,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ A @ ( intersection @ B @ C ) )
       => ( ( member @ A @ B )
          & ( member @ A @ C ) ) )
      & ( ( ( member @ A @ B )
          & ( member @ A @ C ) )
       => ( member @ A @ ( intersection @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(21,axiom,
    ! [A: $i,B: $i] :
      ( ( apply @ member_predicate @ A @ B )
    <=> ( member @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_member) ).

thf(193,plain,
    ! [A: $i,B: $i] :
      ( ( ( apply @ member_predicate @ A @ B )
       => ( member @ A @ B ) )
      & ( ( member @ A @ B )
       => ( apply @ member_predicate @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ A @ ( sum @ B ) )
    <=> ? [C: $i] :
          ( ( member @ C @ B )
          & ( member @ A @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',sum) ).

thf(187,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ ( sum @ B ) )
       => ? [C: $i] :
            ( ( member @ C @ B )
            & ( member @ A @ C ) ) )
      & ( ? [C: $i] :
            ( ( member @ C @ B )
            & ( member @ A @ C ) )
       => ( member @ A @ ( sum @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( member @ C @ A )
         => ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset) ).

thf(135,plain,
    ! [A: $i,B: $i] :
      ( ( ( subset @ A @ B )
       => ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) ) )
      & ( ! [C: $i] :
            ( ( member @ C @ A )
           => ( member @ C @ B ) )
       => ( subset @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(14,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ A @ ( difference @ C @ B ) )
    <=> ( ( member @ A @ C )
        & ~ ( member @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference) ).

thf(150,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ A @ ( difference @ C @ B ) )
       => ( ( member @ A @ C )
          & ~ ( member @ A @ B ) ) )
      & ( ( ( member @ A @ C )
          & ~ ( member @ A @ B ) )
       => ( member @ A @ ( difference @ C @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( strict_well_order @ A @ B )
    <=> ( ( strict_order @ A @ B )
        & ! [C: $i] :
            ( ( ( subset @ C @ B )
              & ? [D: $i] : ( member @ D @ C ) )
           => ? [D: $i] : ( least @ D @ A @ C ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',strict_well_order) ).

thf(72,plain,
    ! [A: $i,B: $i] :
      ( ( ( strict_well_order @ A @ B )
       => ( ( strict_order @ A @ B )
          & ! [C: $i] :
              ( ( ( subset @ C @ B )
                & ? [D: $i] : ( member @ D @ C ) )
             => ? [D: $i] : ( least @ D @ A @ C ) ) ) )
      & ( ( ( strict_order @ A @ B )
          & ! [C: $i] :
              ( ( ( subset @ C @ B )
                & ? [D: $i] : ( member @ D @ C ) )
             => ? [D: $i] : ( least @ D @ A @ C ) ) )
       => ( strict_well_order @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(1,conjecture,
    ! [A: $i] :
      ( ( member @ A @ on )
     => ! [B: $i] :
          ( ( member @ B @ A )
         => ( equal_set @ B @ ( initial_segment @ B @ member_predicate @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',thV5) ).

thf(2,negated_conjecture,
    ~ ! [A: $i] :
        ( ( member @ A @ on )
       => ! [B: $i] :
            ( ( member @ B @ A )
           => ( equal_set @ B @ ( initial_segment @ B @ member_predicate @ A ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(22,plain,
    ~ ! [A: $i] :
        ( ( member @ A @ on )
       => ! [B: $i] :
            ( ( member @ B @ A )
           => ( equal_set @ B @ ( initial_segment @ B @ member_predicate @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

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

thf(44,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ ( power_set @ B ) )
       => ( subset @ A @ B ) )
      & ( ( subset @ A @ B )
       => ( member @ A @ ( power_set @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ( member @ A @ on )
    <=> ( ( set @ A )
        & ( strict_well_order @ member_predicate @ A )
        & ! [B: $i] :
            ( ( member @ B @ A )
           => ( subset @ B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordinal_number) ).

thf(49,plain,
    ! [A: $i] :
      ( ( ( member @ A @ on )
       => ( ( set @ A )
          & ( strict_well_order @ member_predicate @ A )
          & ! [B: $i] :
              ( ( member @ B @ A )
             => ( subset @ B @ A ) ) ) )
      & ( ( ( set @ A )
          & ( strict_well_order @ member_predicate @ A )
          & ! [B: $i] :
              ( ( member @ B @ A )
             => ( subset @ B @ A ) ) )
       => ( member @ A @ on ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( equal_set @ A @ B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equal_set) ).

thf(181,plain,
    ! [A: $i,B: $i] :
      ( ( ( equal_set @ A @ B )
       => ( ( subset @ A @ B )
          & ( subset @ B @ A ) ) )
      & ( ( ( subset @ A @ B )
          & ( subset @ B @ A ) )
       => ( equal_set @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(16,axiom,
    ! [A: $i] :
      ( ( set @ A )
     => ! [B: $i] :
          ( ( member @ B @ A )
         => ( set @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',set_member) ).

thf(162,plain,
    ! [A: $i] :
      ( ( set @ A )
     => ! [B: $i] :
          ( ( member @ B @ A )
         => ( set @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(13,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ B @ ( suc @ A ) )
    <=> ( member @ B @ ( union @ A @ ( singleton @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',successor) ).

thf(145,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ B @ ( suc @ A ) )
       => ( member @ B @ ( union @ A @ ( singleton @ A ) ) ) )
      & ( ( member @ B @ ( union @ A @ ( singleton @ A ) ) )
       => ( member @ B @ ( suc @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(3,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( least @ C @ A @ B )
    <=> ( ( member @ C @ B )
        & ! [D: $i] :
            ( ( member @ D @ B )
           => ( ( C = D )
              | ( apply @ A @ C @ D ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',least) ).

thf(26,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( least @ C @ A @ B )
       => ( ( member @ C @ B )
          & ! [D: $i] :
              ( ( member @ D @ B )
             => ( ( C = D )
                | ( apply @ A @ C @ D ) ) ) ) )
      & ( ( ( member @ C @ B )
          & ! [D: $i] :
              ( ( member @ D @ B )
             => ( ( C = D )
                | ( apply @ A @ C @ D ) ) ) )
       => ( least @ C @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(18,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ A @ ( unordered_pair @ B @ C ) )
    <=> ( ( A = B )
        | ( A = C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pair) ).

thf(171,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ A @ ( unordered_pair @ B @ C ) )
       => ( ( A = B )
          | ( A = C ) ) )
      & ( ( ( A = B )
          | ( A = C ) )
       => ( member @ A @ ( unordered_pair @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( member @ A @ ( singleton @ B ) )
    <=> ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton) ).

thf(58,plain,
    ! [A: $i,B: $i] :
      ( ( ( member @ A @ ( singleton @ B ) )
       => ( A = B ) )
      & ( ( A = B )
       => ( member @ A @ ( singleton @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ( strict_order @ A @ B )
    <=> ( ! [C: $i,D: $i] :
            ( ( ( member @ C @ B )
              & ( member @ D @ B ) )
           => ~ ( ( apply @ A @ C @ D )
                & ( apply @ A @ D @ C ) ) )
        & ! [C: $i,D: $i,E: $i] :
            ( ( ( member @ C @ B )
              & ( member @ D @ B )
              & ( member @ E @ B ) )
           => ( ( ( apply @ A @ C @ D )
                & ( apply @ A @ D @ E ) )
             => ( apply @ A @ C @ E ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',strict_order) ).

thf(82,plain,
    ! [A: $i,B: $i] :
      ( ( ( strict_order @ A @ B )
       => ( ! [C: $i,D: $i] :
              ( ( ( member @ C @ B )
                & ( member @ D @ B ) )
             => ~ ( ( apply @ A @ C @ D )
                  & ( apply @ A @ D @ C ) ) )
          & ! [C: $i,D: $i,E: $i] :
              ( ( ( member @ C @ B )
                & ( member @ D @ B )
                & ( member @ E @ B ) )
             => ( ( ( apply @ A @ C @ D )
                  & ( apply @ A @ D @ E ) )
               => ( apply @ A @ C @ E ) ) ) ) )
      & ( ( ! [C: $i,D: $i] :
              ( ( ( member @ C @ B )
                & ( member @ D @ B ) )
             => ~ ( ( apply @ A @ C @ D )
                  & ( apply @ A @ D @ C ) ) )
          & ! [C: $i,D: $i,E: $i] :
              ( ( ( member @ C @ B )
                & ( member @ D @ B )
                & ( member @ E @ B ) )
             => ( ( ( apply @ A @ C @ D )
                  & ( apply @ A @ D @ E ) )
               => ( apply @ A @ C @ E ) ) ) )
       => ( strict_order @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(198,plain,
    $false,
    inference(cvc4,[status(thm)],[142,164,38,65,156,193,187,135,150,72,22,44,49,181,162,145,26,171,58,82]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET811+4 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.16  % Command  : run_Leo-III %s %d
% 0.15/0.37  % Computer : n028.cluster.edu
% 0.15/0.37  % Model    : x86_64 x86_64
% 0.15/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.37  % Memory   : 8042.1875MB
% 0.15/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.37  % CPULimit : 300
% 0.15/0.37  % WCLimit  : 300
% 0.15/0.37  % DateTime : Thu May 18 19:17:49 EDT 2023
% 0.15/0.37  % CPUTime  : 
% 0.96/0.90  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.29/1.05  % [INFO] 	 Parsing done (148ms). 
% 1.29/1.06  % [INFO] 	 Running in sequential loop mode. 
% 1.71/1.28  % [INFO] 	 eprover registered as external prover. 
% 1.71/1.28  % [INFO] 	 cvc4 registered as external prover. 
% 1.71/1.29  % [INFO] 	 Scanning for conjecture ... 
% 1.90/1.35  % [INFO] 	 Found a conjecture and 19 axioms. Running axiom selection ... 
% 2.06/1.39  % [INFO] 	 Axiom selection finished. Selected 19 axioms (removed 0 axioms). 
% 2.06/1.44  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.06/1.44  % [INFO] 	 Type checking passed. 
% 2.06/1.45  % [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 ... 
% 4.16/2.15  % External prover 'cvc4' found a proof!
% 4.16/2.15  % [INFO] 	 Killing All external provers ... 
% 4.16/2.16  % Time passed: 1628ms (effective reasoning time: 1089ms)
% 4.16/2.16  % 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)>
% 4.16/2.16  % Axioms used in derivation (19): power_set, unordered_pair, rel_member, union, strict_well_order, intersection, set_member, initial_segment, least, subset, equal_set, singleton, ordinal_number, difference, strict_order, sum, product, successor, empty_set
% 4.16/2.16  % No. of inferences in proof: 42
% 4.16/2.16  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1628 ms resp. 1089 ms w/o parsing
% 4.47/2.21  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 4.47/2.21  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------