SCHEMA Class_of_activity_library_arm;
USE FROM
Class_of_activity_structure_arm;
-- ISO/TS 10303-1170
USE FROM
Set_theory_arm;
-- ISO/TS 10303-1210
USE FROM
Cardinality_of_relationship_arm;
-- ISO/TS 10303-1211
TYPE class_of_activity_relationship =
SELECT
BASED_ON
relationship_select
WITH
(Class_of_connection_of_activity,
Class_of_composition_of_activity,
Class_of_involvement_in_activity);
END_TYPE;
END_SCHEMA; -- Class_of_activity_library_arm