TSTP Solution File: DAT334_19 by Leo-III---1.7.10

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.10
% Problem  : DAT334_19 : TPTP v8.2.0. Released v8.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n019.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 07:39:59 EDT 2024

% Result   : Theorem 2.68s 1.54s
% Output   : Refutation 2.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   21 (   3 unt;  11 typ;   0 def)
%            Number of atoms       :   30 (   0 equ;   0 cnn)
%            Maximal formula atoms :    6 (   3 avg)
%            Number of connectives :   91 (   2   ~;   0   |;  13   &;  69   @)
%                                         (   0 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   7 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :    7 (   7   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   11 (  10 usr;   8 con; 0-3 aty)
%            Number of variables   :   20 (   0   ^  13   !;   7   ?;  20   :)

% Comments : 
%------------------------------------------------------------------------------
thf('\'$ki_world\'_type',type,
    '\'$ki_world\'': $tType ).

thf('\'$ki_local_world\'_type',type,
    '\'$ki_local_world\'': '\'$ki_world\'' ).

thf('\'$ki_accessible\'_type',type,
    '\'$ki_accessible\'': '\'$ki_world\'' > '\'$ki_world\'' > $o ).

thf(cs_type,type,
    cs: $i ).

thf(sue_type,type,
    sue: $i ).

thf(mary_type,type,
    mary: $i ).

thf(john_type,type,
    john: $i ).

thf(math_type,type,
    math: $i ).

thf(psych_type,type,
    psych: $i ).

thf(teach_type,type,
    teach: '\'$ki_world\'' > $i > $i > $o ).

thf('\'$ki_exists_in_world_$i\'_type',type,
    '\'$ki_exists_in_world_$i\'': '\'$ki_world\'' > $i > $o ).

thf(1,conjecture,
    ! [A: '\'$ki_world\''] :
      ( ( '\'$ki_accessible\'' @ '\'$ki_local_world\'' @ A )
     => ? [B: $i] :
          ( ( '\'$ki_exists_in_world_$i\'' @ A @ B )
          & ( teach @ A @ B @ cs ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',verify) ).

thf(2,negated_conjecture,
    ~ ! [A: '\'$ki_world\''] :
        ( ( '\'$ki_accessible\'' @ '\'$ki_local_world\'' @ A )
       => ? [B: $i] :
            ( ( '\'$ki_exists_in_world_$i\'' @ A @ B )
            & ( teach @ A @ B @ cs ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(6,plain,
    ~ ! [A: '\'$ki_world\''] :
        ( ( '\'$ki_accessible\'' @ '\'$ki_local_world\'' @ A )
       => ? [B: $i] :
            ( ( '\'$ki_exists_in_world_$i\'' @ A @ B )
            & ( teach @ A @ B @ cs ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(3,axiom,
    ! [A: '\'$ki_world\'',B: '\'$ki_world\'',C: $i] :
      ( ( ( '\'$ki_exists_in_world_$i\'' @ A @ C )
        & ( '\'$ki_accessible\'' @ B @ A ) )
     => ( '\'$ki_exists_in_world_$i\'' @ B @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p','$ki_exists_in_world_$i_decr') ).

thf(9,plain,
    ! [A: '\'$ki_world\'',B: '\'$ki_world\'',C: $i] :
      ( ( ( '\'$ki_exists_in_world_$i\'' @ A @ C )
        & ( '\'$ki_accessible\'' @ B @ A ) )
     => ( '\'$ki_exists_in_world_$i\'' @ B @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(4,axiom,
    ! [A: '\'$ki_world\''] :
    ? [B: $i] : ( '\'$ki_exists_in_world_$i\'' @ A @ B ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p','$ki_exists_in_world_$i_nonempty') ).

thf(11,plain,
    ! [A: '\'$ki_world\''] :
    ? [B: $i] : ( '\'$ki_exists_in_world_$i\'' @ A @ B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(5,axiom,
    ! [A: '\'$ki_world\''] :
      ( ( '\'$ki_accessible\'' @ '\'$ki_local_world\'' @ A )
     => ( ( teach @ A @ john @ math )
        & ? [B: $i] :
            ( ( '\'$ki_exists_in_world_$i\'' @ A @ B )
            & ( teach @ A @ B @ cs ) )
        & ( teach @ A @ mary @ psych )
        & ( teach @ A @ sue @ psych ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',db) ).

thf(13,plain,
    ! [A: '\'$ki_world\''] :
      ( ( '\'$ki_accessible\'' @ '\'$ki_local_world\'' @ A )
     => ( ( teach @ A @ john @ math )
        & ? [B: $i] :
            ( ( '\'$ki_exists_in_world_$i\'' @ A @ B )
            & ( teach @ A @ B @ cs ) )
        & ( teach @ A @ mary @ psych )
        & ( teach @ A @ sue @ psych ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(19,plain,
    $false,
    inference(e,[status(thm)],[6,9,11,13]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : DAT334_19 : TPTP v8.2.0. Released v8.2.0.
% 0.07/0.16  % Command  : run_Leo-III %s %d
% 0.16/0.37  % Computer : n019.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  6 11:35:09 EDT 2024
% 0.16/0.37  % CPUTime  : 
% 0.97/0.86  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.18/0.97  % [INFO] 	 Parsing done (110ms). 
% 1.18/0.98  % [INFO] 	 Running in sequential loop mode. 
% 1.68/1.17  % [INFO] 	 eprover registered as external prover. 
% 1.68/1.17  % [INFO] 	 cvc4 registered as external prover. 
% 1.68/1.18  % [INFO] 	 Scanning for conjecture ... 
% 1.68/1.23  % [INFO] 	 Found a conjecture and 3 axioms. Running axiom selection ... 
% 1.84/1.26  % [INFO] 	 Axiom selection finished. Selected 3 axioms (removed 0 axioms). 
% 1.97/1.27  % [INFO] 	 Problem is typed first-order (TPTP TFF). 
% 1.97/1.27  % [INFO] 	 Type checking passed. 
% 1.97/1.27  % [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 ... 
% 2.68/1.53  % External prover 'e' found a proof!
% 2.68/1.53  % [INFO] 	 Killing All external provers ... 
% 2.68/1.54  % Time passed: 1005ms (effective reasoning time: 555ms)
% 2.68/1.54  % 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)>
% 2.68/1.54  % Axioms used in derivation (3): $ki_exists_in_world_$i_decr, $ki_exists_in_world_$i_nonempty, db
% 2.68/1.54  % No. of inferences in proof: 10
% 2.68/1.54  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1005 ms resp. 555 ms w/o parsing
% 2.68/1.56  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 2.68/1.56  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------