TSTP Solution File: SET611+3 by Leo-III---1.7.10

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.10
% Problem  : SET611+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 : Tue May  7 08:07:36 EDT 2024

% Result   : Theorem 7.78s 2.76s
% Output   : Refutation 7.78s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   30 (   7 unt;   6 typ;   0 def)
%            Number of atoms       :   78 (  18 equ;   0 cnn)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  215 (  10   ~;   0   |;  19   &; 151   @)
%                                         (  10 <=>;  25  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   7 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    9 (   9   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :   55 (   0   ^  55   !;   0   ?;  55   :)

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

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

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

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

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

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

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

thf(89,plain,
    ! [A: $i] : ( subset @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(4,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( intersection @ A @ B ) )
    <=> ( ( member @ C @ A )
        & ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection_defn) ).

thf(33,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ C @ ( intersection @ A @ B ) )
       => ( ( member @ C @ A )
          & ( member @ C @ B ) ) )
      & ( ( ( member @ C @ A )
          & ( member @ C @ B ) )
       => ( member @ C @ ( intersection @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(1,conjecture,
    ! [A: $i,B: $i] :
      ( ( ( intersection @ A @ B )
        = empty_set )
    <=> ( ( difference @ A @ B )
        = A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_th84) ).

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

thf(13,plain,
    ~ ! [A: $i,B: $i] :
        ( ( ( ( intersection @ A @ B )
            = empty_set )
         => ( ( difference @ A @ B )
            = A ) )
        & ( ( ( difference @ A @ B )
            = A )
         => ( ( intersection @ A @ B )
            = empty_set ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(6,axiom,
    ! [A: $i] :
      ~ ( member @ A @ empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_set_defn) ).

thf(45,plain,
    ! [A: $i] :
      ~ ( member @ A @ empty_set ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( intersection @ A @ B )
      = ( intersection @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_intersection) ).

thf(59,plain,
    ! [A: $i,B: $i] :
      ( ( intersection @ A @ B )
      = ( intersection @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(5,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( member @ C @ ( difference @ A @ B ) )
    <=> ( ( member @ C @ A )
        & ~ ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference_defn) ).

thf(39,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( member @ C @ ( difference @ A @ B ) )
       => ( ( member @ C @ A )
          & ~ ( member @ C @ B ) ) )
      & ( ( ( member @ C @ A )
          & ~ ( member @ C @ B ) )
       => ( member @ C @ ( difference @ A @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

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

thf(91,plain,
    ! [A: $i] :
      ( ( ( empty @ A )
       => ! [B: $i] :
            ~ ( member @ B @ A ) )
      & ( ! [B: $i] :
            ~ ( member @ B @ A )
       => ( empty @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_defn) ).

thf(48,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ( ( subset @ A @ B )
          & ( subset @ B @ A ) ) )
      & ( ( ( subset @ A @ B )
          & ( subset @ B @ A ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(3,axiom,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( member @ C @ A )
        <=> ( member @ C @ B ) )
     => ( A = B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',member_equal) ).

thf(23,plain,
    ! [A: $i,B: $i] :
      ( ! [C: $i] :
          ( ( ( member @ C @ A )
           => ( member @ C @ B ) )
          & ( ( member @ C @ B )
           => ( member @ C @ A ) ) )
     => ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

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

thf(82,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)],[10]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ! [C: $i] :
          ( ( member @ C @ A )
        <=> ( member @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_member_defn) ).

thf(62,plain,
    ! [A: $i,B: $i] :
      ( ( ( A = B )
       => ! [C: $i] :
            ( ( ( member @ C @ A )
             => ( member @ C @ B ) )
            & ( ( member @ C @ B )
             => ( member @ C @ A ) ) ) )
      & ( ! [C: $i] :
            ( ( ( member @ C @ A )
             => ( member @ C @ B ) )
            & ( ( member @ C @ B )
             => ( member @ C @ A ) ) )
       => ( A = B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(955,plain,
    $false,
    inference(e,[status(thm)],[89,33,13,45,59,39,91,48,23,82,62]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SET611+3 : TPTP v8.1.2. Released v2.2.0.
% 0.03/0.13  % Command  : run_Leo-III %s %d
% 0.13/0.34  % Computer : n015.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon May  6 13:18:54 EDT 2024
% 0.13/0.34  % CPUTime  : 
% 0.93/0.85  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.21/0.98  % [INFO] 	 Parsing done (126ms). 
% 1.21/0.98  % [INFO] 	 Running in sequential loop mode. 
% 1.63/1.20  % [INFO] 	 eprover registered as external prover. 
% 1.63/1.21  % [INFO] 	 cvc4 registered as external prover. 
% 1.63/1.21  % [INFO] 	 Scanning for conjecture ... 
% 1.78/1.27  % [INFO] 	 Found a conjecture and 10 axioms. Running axiom selection ... 
% 1.78/1.29  % [INFO] 	 Axiom selection finished. Selected 10 axioms (removed 0 axioms). 
% 1.78/1.31  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 1.98/1.31  % [INFO] 	 Type checking passed. 
% 1.98/1.32  % [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 ... 
% 7.78/2.75  % External prover 'e' found a proof!
% 7.78/2.76  % [INFO] 	 Killing All external provers ... 
% 7.78/2.76  % Time passed: 2239ms (effective reasoning time: 1769ms)
% 7.78/2.76  % 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)>
% 7.78/2.76  % Axioms used in derivation (10): reflexivity_of_subset, equal_member_defn, empty_set_defn, equal_defn, subset_defn, intersection_defn, member_equal, empty_defn, commutativity_of_intersection, difference_defn
% 7.78/2.76  % No. of inferences in proof: 24
% 7.78/2.76  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2239 ms resp. 1769 ms w/o parsing
% 7.78/2.80  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 7.78/2.80  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------