TSTP Solution File: SET027^7 by Leo-III---1.7.15

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.15
% Problem  : SET027^7 : TPTP v8.2.0. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d THM

% Computer : n029.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 : Mon Jun 24 14:39:30 EDT 2024

% Result   : Theorem 3.94s 2.44s
% Output   : Refutation 4.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   23 (  11 unt;   0 typ;   7 def)
%            Number of atoms       :   90 (   7 equ;   0 cnn)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  179 (  11   ~;   7   |;   4   &; 144   @)
%                                         (   0 <=>;  13  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   6 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   11 (  11   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   16 (  14 usr;   4 con; 0-3 aty)
%            Number of variables   :   49 (  19   ^  28   !;   2   ?;  49   :)

% Comments : 
%------------------------------------------------------------------------------
thf(mu_type,type,
    mu: $tType ).

thf(mand_type,type,
    mand: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(mand_def,definition,
    ( mand
    = ( ^ [A: $i > $o,B: $i > $o] : ( mnot @ ( mor @ ( mnot @ A ) @ ( mnot @ B ) ) ) ) ) ).

thf(mimplies_type,type,
    mimplies: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(mimplies_def,definition,
    ( mimplies
    = ( ^ [A: $i > $o] : ( mor @ ( mnot @ A ) ) ) ) ).

thf(mequiv_type,type,
    mequiv: ( $i > $o ) > ( $i > $o ) > $i > $o ).

thf(mequiv_def,definition,
    ( mequiv
    = ( ^ [A: $i > $o,B: $i > $o] : ( mand @ ( mimplies @ A @ B ) @ ( mimplies @ B @ A ) ) ) ) ).

thf(exists_in_world_type,type,
    exists_in_world: mu > $i > $o ).

thf(mforall_ind_type,type,
    mforall_ind: ( mu > $i > $o ) > $i > $o ).

thf(mforall_ind_def,definition,
    ( mforall_ind
    = ( ^ [A: mu > $i > $o,B: $i] :
        ! [C: mu] :
          ( ( exists_in_world @ C @ B )
         => ( A @ C @ B ) ) ) ) ).

thf(mreflexive_type,type,
    mreflexive: ( $i > $i > $o ) > $o ).

thf(mreflexive_def,definition,
    ( mreflexive
    = ( ^ [A: $i > $i > $o] :
        ! [B: $i] : ( A @ B @ B ) ) ) ).

thf(mtransitive_type,type,
    mtransitive: ( $i > $i > $o ) > $o ).

thf(mtransitive_def,definition,
    ( mtransitive
    = ( ^ [A: $i > $i > $o] :
        ! [B: $i,C: $i,D: $i] :
          ( ( ( A @ B @ C )
            & ( A @ C @ D ) )
         => ( A @ B @ D ) ) ) ) ).

thf(mvalid_type,type,
    mvalid: ( $i > $o ) > $o ).

thf(mvalid_def,definition,
    ( mvalid
    = ( '!' @ $i ) ) ).

thf(rel_s4_type,type,
    rel_s4: $i > $i > $o ).

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

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

thf(7,axiom,
    ( mvalid
    @ ( mforall_ind
      @ ^ [A: mu] :
          ( mforall_ind
          @ ^ [B: mu] :
              ( mequiv @ ( subset @ A @ B )
              @ ( mforall_ind
                @ ^ [C: mu] : ( mimplies @ ( member @ C @ A ) @ ( member @ C @ B ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

thf(24,plain,
    ! [A: $i,B: mu] :
      ( ( exists_in_world @ B @ A )
     => ! [C: mu] :
          ( ( exists_in_world @ C @ A )
         => ~ ( ~ ( ~ ( subset @ B @ C @ A )
                  | ! [D: mu] :
                      ( ( exists_in_world @ D @ A )
                     => ( ~ ( member @ D @ B @ A )
                        | ( member @ D @ C @ A ) ) ) )
              | ~ ( ~ ! [D: mu] :
                        ( ( exists_in_world @ D @ A )
                       => ( ~ ( member @ D @ B @ A )
                          | ( member @ D @ C @ A ) ) )
                  | ( subset @ B @ C @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(1,conjecture,
    ( mvalid
    @ ( mforall_ind
      @ ^ [A: mu] :
          ( mforall_ind
          @ ^ [B: mu] :
              ( mforall_ind
              @ ^ [C: mu] : ( mimplies @ ( mand @ ( subset @ A @ B ) @ ( subset @ B @ C ) ) @ ( subset @ A @ C ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_transitivity_of_subset) ).

thf(2,negated_conjecture,
    ~ ( mvalid
      @ ( mforall_ind
        @ ^ [A: mu] :
            ( mforall_ind
            @ ^ [B: mu] :
                ( mforall_ind
                @ ^ [C: mu] : ( mimplies @ ( mand @ ( subset @ A @ B ) @ ( subset @ B @ C ) ) @ ( subset @ A @ C ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(9,plain,
    ~ ! [A: $i,B: mu] :
        ( ( exists_in_world @ B @ A )
       => ! [C: mu] :
            ( ( exists_in_world @ C @ A )
           => ! [D: mu] :
                ( ( exists_in_world @ D @ A )
               => ( ~ ( subset @ B @ C @ A )
                  | ~ ( subset @ C @ D @ A )
                  | ( subset @ B @ D @ A ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(6,axiom,
    ! [A: mu,B: $i,C: $i] :
      ( ( ( exists_in_world @ A @ B )
        & ( rel_s4 @ B @ C ) )
     => ( exists_in_world @ A @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cumulative_ax) ).

thf(22,plain,
    ! [A: mu,B: $i,C: $i] :
      ( ( ( exists_in_world @ A @ B )
        & ( rel_s4 @ B @ C ) )
     => ( exists_in_world @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(4,axiom,
    mreflexive @ rel_s4,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a1) ).

thf(18,plain,
    ! [A: $i] : ( rel_s4 @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(3,axiom,
    ! [A: $i] :
    ? [B: mu] : ( exists_in_world @ B @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',nonempty_ax) ).

thf(16,plain,
    ! [A: $i] :
    ? [B: mu] : ( exists_in_world @ B @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(5,axiom,
    mtransitive @ rel_s4,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a2) ).

thf(20,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( rel_s4 @ A @ B )
        & ( rel_s4 @ B @ C ) )
     => ( rel_s4 @ A @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(8,axiom,
    ( mvalid
    @ ( mforall_ind
      @ ^ [A: mu] : ( subset @ A @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_of_subset) ).

thf(29,plain,
    ! [A: $i,B: mu] :
      ( ( exists_in_world @ B @ A )
     => ( subset @ B @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(31,plain,
    $false,
    inference(e,[status(thm)],[24,9,22,18,16,20,29]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.14  % Problem  : SET027^7 : TPTP v8.2.0. Released v5.5.0.
% 0.03/0.14  % Command  : run_Leo-III %s %d THM
% 0.13/0.35  % Computer : n029.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Sun Jun 23 15:11:55 EDT 2024
% 0.13/0.35  % CPUTime  : 
% 1.10/1.03  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.62/1.29  % [INFO] 	 Parsing done (261ms). 
% 1.81/1.31  % [INFO] 	 Running in sequential loop mode. 
% 2.33/1.69  % [INFO] 	 eprover registered as external prover. 
% 2.33/1.70  % [INFO] 	 Scanning for conjecture ... 
% 2.69/1.88  % [INFO] 	 Found a conjecture (or negated_conjecture) and 6 axioms. Running axiom selection ... 
% 2.89/1.92  % [INFO] 	 Axiom selection finished. Selected 6 axioms (removed 0 axioms). 
% 2.89/1.93  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 2.89/1.93  % [INFO] 	 Type checking passed. 
% 2.89/1.94  % [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 ... 
% 3.94/2.43  % External prover 'e' found a proof!
% 3.94/2.43  % [INFO] 	 Killing All external provers ... 
% 3.94/2.43  % Time passed: 1893ms (effective reasoning time: 1119ms)
% 3.94/2.43  % 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)>
% 3.94/2.44  % Axioms used in derivation (6): reflexivity_of_subset, cumulative_ax, a1, nonempty_ax, subset_defn, a2
% 3.94/2.44  % No. of inferences in proof: 16
% 3.94/2.44  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1893 ms resp. 1119 ms w/o parsing
% 4.18/2.57  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 4.18/2.57  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------