period_of_time

Period of Time

A state that is a temporal_part_of some possible_world.

Attributes

• temporal_part_of_: A temporal_part_of relationship type where a period_of_time may be a temporal_part_of one or more possible_world.
• member_of: A member_of relationship type where a period_of_time may be a member_of one or more class_of_period_of_time.

Subtypes

• possible_world

EXPRESS Specification

Schema

ENTITY period_of_time
  SUBTYPE OF(state);
    temporal_part_of_    : OPTIONAL SET [1:?] OF possible_world;
    SELF\state.member_of : OPTIONAL SET [1:?] OF class_of_period_of_time;
END_ENTITY;

Inheritance Graph

ENTITY period_of_time;
  ENTITY thing;
    member__of             : OPTIONAL SET [1:?] OF class;
  ENTITY spatio_temporal_extent;
    part__of               : OPTIONAL SET [1:?] OF spatio_temporal_extent;
    beginning              : OPTIONAL event;
    ending                 : OPTIONAL event;
    part_of_possible_world : SET [1:?] OF possible_world;
    temporal__part_of      : OPTIONAL SET [1:?] OF spatio_temporal_extent;
    aggregated_into        : OPTIONAL SET [1:?] OF spatio_temporal_extent;
  INVERSE
    consists__of           : SET OF spatio_temporal_extent FOR part__of;
  ENTITY state;
    temporal_part_of       : OPTIONAL SET [1:?] OF individual;
  ENTITY period_of_time;
    temporal_part_of_      : OPTIONAL SET [1:?] OF possible_world;
    member_of              : OPTIONAL SET [1:?] OF class_of_period_of_time;
END_ENTITY;