TSTP Solution File: SYO572^7 by Leo-III-SAT---1.7.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III-SAT---1.7.12
% Problem  : SYO572^7 : TPTP v8.2.0. Released v5.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n013.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 21 09:00:58 EDT 2024

% Result   : Theorem 5.07s 2.18s
% Output   : Refutation 5.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   20
% Syntax   : Number of formulae    :   42 (  14 unt;  12 typ;   5 def)
%            Number of atoms       :   94 (  10 equ;   0 cnn)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  199 (  34   ~;  19   |;   2   &; 139   @)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   31 (  31   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   18 (  15 usr;   8 con; 0-3 aty)
%            Number of variables   :   44 (   8   ^  34   !;   2   ?;  44   :)

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

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

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

thf(mexists_ind_def,definition,
    ( mexists_ind
    = ( ^ [A: mu > $i > $o] :
          ( mnot
          @ ( mforall_ind
            @ ^ [B: mu] : ( mnot @ ( A @ B ) ) ) ) ) ) ).

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(mdia_s4_type,type,
    mdia_s4: ( $i > $o ) > $i > $o ).

thf(mdia_s4_def,definition,
    ( mdia_s4
    = ( ^ [A: $i > $o] : ( mnot @ ( mbox_s4 @ ( mnot @ A ) ) ) ) ) ).

thf(f_type,type,
    f: mu > $i > $o ).

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

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

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

thf(1,conjecture,
    ( mvalid
    @ ( mimplies @ ( mdia_s4 @ ( mforall_ind @ f ) )
      @ ( mexists_ind
        @ ^ [A: mu] : ( mdia_s4 @ ( f @ A ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).

thf(2,negated_conjecture,
    ~ ( mvalid
      @ ( mimplies @ ( mdia_s4 @ ( mforall_ind @ f ) )
        @ ( mexists_ind
          @ ^ [A: mu] : ( mdia_s4 @ ( f @ A ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(7,plain,
    ~ ! [A: $i] :
        ( ! [B: $i] :
            ( ~ ( rel_s4 @ A @ B )
            | ~ ! [C: mu] :
                  ( ( exists_in_world @ C @ B )
                 => ( f @ C @ B ) ) )
        | ~ ! [B: mu] :
              ( ( exists_in_world @ B @ A )
             => ! [C: $i] :
                  ( ~ ( rel_s4 @ A @ C )
                  | ~ ( f @ B @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(10,plain,
    rel_s4 @ sk1 @ sk2,
    inference(cnf,[status(esa)],[7]) ).

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/sandbox/benchmark/theBenchmark.p',cumulative_ax) ).

thf(18,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(19,plain,
    ! [C: $i,B: $i,A: mu] :
      ( ~ ( exists_in_world @ A @ B )
      | ~ ( rel_s4 @ B @ C )
      | ( exists_in_world @ A @ C ) ),
    inference(cnf,[status(esa)],[18]) ).

thf(101,plain,
    ! [C: $i,B: $i,A: mu] :
      ( ~ ( exists_in_world @ A @ B )
      | ( exists_in_world @ A @ C )
      | ( ( rel_s4 @ sk1 @ sk2 )
       != ( rel_s4 @ B @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[10,19]) ).

thf(102,plain,
    ! [A: mu] :
      ( ~ ( exists_in_world @ A @ sk1 )
      | ( exists_in_world @ A @ sk2 ) ),
    inference(pattern_uni,[status(thm)],[101:[bind(A,$thf( A )),bind(B,$thf( sk1 )),bind(C,$thf( sk2 ))]]) ).

thf(9,plain,
    ! [A: mu] :
      ( ~ ( exists_in_world @ A @ sk2 )
      | ( f @ A @ sk2 ) ),
    inference(cnf,[status(esa)],[7]) ).

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

thf(12,plain,
    ! [A: $i] :
    ? [B: mu] : ( exists_in_world @ B @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(13,plain,
    ! [A: $i] : ( exists_in_world @ ( sk3 @ A ) @ A ),
    inference(cnf,[status(esa)],[12]) ).

thf(8,plain,
    ! [B: $i,A: mu] :
      ( ~ ( exists_in_world @ A @ sk1 )
      | ~ ( rel_s4 @ sk1 @ B )
      | ~ ( f @ A @ B ) ),
    inference(cnf,[status(esa)],[7]) ).

thf(11,plain,
    ! [B: $i,A: mu] :
      ( ~ ( exists_in_world @ A @ sk1 )
      | ~ ( rel_s4 @ sk1 @ B )
      | ~ ( f @ A @ B ) ),
    inference(simp,[status(thm)],[8]) ).

thf(22,plain,
    ! [B: $i,A: mu] :
      ( ~ ( exists_in_world @ A @ sk1 )
      | ~ ( f @ A @ B )
      | ( ( rel_s4 @ sk1 @ sk2 )
       != ( rel_s4 @ sk1 @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[10,11]) ).

thf(23,plain,
    ! [A: mu] :
      ( ~ ( exists_in_world @ A @ sk1 )
      | ~ ( f @ A @ sk2 ) ),
    inference(pattern_uni,[status(thm)],[22:[bind(A,$thf( A )),bind(B,$thf( sk2 ))]]) ).

thf(34,plain,
    ! [B: mu,A: $i] :
      ( ~ ( f @ B @ sk2 )
      | ( ( exists_in_world @ ( sk3 @ A ) @ A )
       != ( exists_in_world @ B @ sk1 ) ) ),
    inference(paramod_ordered,[status(thm)],[13,23]) ).

thf(35,plain,
    ~ ( f @ ( sk3 @ sk1 ) @ sk2 ),
    inference(pattern_uni,[status(thm)],[34:[bind(A,$thf( sk1 )),bind(B,$thf( sk3 @ sk1 ))]]) ).

thf(41,plain,
    ! [A: mu] :
      ( ~ ( exists_in_world @ A @ sk2 )
      | ( ( f @ A @ sk2 )
       != ( f @ ( sk3 @ sk1 ) @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[9,35]) ).

thf(42,plain,
    ~ ( exists_in_world @ ( sk3 @ sk1 ) @ sk2 ),
    inference(pattern_uni,[status(thm)],[41:[bind(A,$thf( sk3 @ sk1 ))]]) ).

thf(159,plain,
    ! [A: mu] :
      ( ~ ( exists_in_world @ A @ sk1 )
      | ( ( exists_in_world @ A @ sk2 )
       != ( exists_in_world @ ( sk3 @ sk1 ) @ sk2 ) ) ),
    inference(paramod_ordered,[status(thm)],[102,42]) ).

thf(160,plain,
    ~ ( exists_in_world @ ( sk3 @ sk1 ) @ sk1 ),
    inference(pattern_uni,[status(thm)],[159:[bind(A,$thf( sk3 @ sk1 ))]]) ).

thf(191,plain,
    ~ $true,
    inference(rewrite,[status(thm)],[160,13]) ).

thf(192,plain,
    $false,
    inference(simp,[status(thm)],[191]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SYO572^7 : TPTP v8.2.0. Released v5.5.0.
% 0.07/0.16  % Command  : run_Leo-III %s %d
% 0.16/0.37  % Computer : n013.cluster.edu
% 0.16/0.37  % Model    : x86_64 x86_64
% 0.16/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.37  % Memory   : 8042.1875MB
% 0.16/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.37  % CPULimit : 300
% 0.16/0.37  % WCLimit  : 300
% 0.16/0.37  % DateTime : Mon May 20 09:42:39 EDT 2024
% 0.16/0.37  % CPUTime  : 
% 0.93/0.91  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.45/1.07  % [INFO] 	 Parsing done (161ms). 
% 1.45/1.08  % [INFO] 	 Running in sequential loop mode. 
% 1.93/1.29  % [INFO] 	 nitpick registered as external prover. 
% 1.93/1.30  % [INFO] 	 Scanning for conjecture ... 
% 2.21/1.40  % [INFO] 	 Found a conjecture (or negated_conjecture) and 4 axioms. Running axiom selection ... 
% 2.21/1.42  % [INFO] 	 Axiom selection finished. Selected 4 axioms (removed 0 axioms). 
% 2.21/1.42  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 2.21/1.43  % [INFO] 	 Type checking passed. 
% 2.21/1.43  % [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 ... 
% 5.07/2.17  % [INFO] 	 Killing All external provers ... 
% 5.07/2.18  % Time passed: 1622ms (effective reasoning time: 1088ms)
% 5.07/2.18  % 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)>
% 5.07/2.18  % Axioms used in derivation (2): cumulative_ax, nonempty_ax
% 5.07/2.18  % No. of inferences in proof: 25
% 5.07/2.18  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1622 ms resp. 1088 ms w/o parsing
% 5.07/2.21  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 5.07/2.21  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------