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period_in_time

A <period_in_time> is a <possible_individual> that is all space for part of time - a temporal part of the universe.
EXAMPLE 1 July 2000 is an instance of <period_in_time>.
EXAMPLE 2 The period described by UTC 2000-11-21T06:00 to UTC 2000-11-21T11:53 is an instance of <period_in_time> compliant with ISO8601.

EXPRESS specification:

ENTITY period_in_time
SUBTYPE OF ( possible_individual);
END_ENTITY;

References (1):

Name Type Referred through Express-G
possible_individual Entity
Subtype
Diagram 6

Inheritance graph

ENTITY period_in_time;
ENTITY thing;
id  :  STRING;
record_copy_created  :  OPTIONAL representation_of_Gregorian_date_and_UTC_time;
record_created  :  OPTIONAL representation_of_Gregorian_date_and_UTC_time;
record_creator  :  OPTIONAL possible_individual;
record_logically_deleted  :  OPTIONAL representation_of_Gregorian_date_and_UTC_time;
why_deleted  :  OPTIONAL class_of_information_representation;
ENTITY possible_individual;
ENTITY period_in_time;
END_ENTITY;