1 L0 = <http://www.simantics.org/Layer0-1.1>
5 L0.HasDescription "Instances of a type tagged as Abstract cannot be directly instantiated."
11 L0.HasDescription "Instances of a type tagged Enumeration cannot be instantiated outside of the ontology that defines it."
17 L0.HasDescription "Used in export to determine optional fragments."
20 L0.HasDescription "Indicates that a relation can only be modified when subject is created or destroyed."