SCHEMA Issue_arm;
USE FROM
Observation_arm;
-- ISO/TS 10303-1258
TYPE issue_reference_item =
EXTENSIBLE
GENERIC_ENTITY
SELECT;
END_TYPE;
ENTITY Issue
SUBTYPE OF (Observation);
END_ENTITY;
ENTITY Issue_consequence
SUBTYPE OF (Observation_consequence);
END_ENTITY;
ENTITY Issue_reference
SUBTYPE OF (Observation_item);
item : SET[0:?] OF issue_reference_item;
END_ENTITY;
END_SCHEMA; -- Issue_arm