This property associates an instance of E89 Propositional Object with a structural part of it that is by itself an instance of E89 Propositional Object.
This property is transitive.
This property associates an instance of E89 Propositional Object with a structural part of it that is by itself an instance of E89 Propositional Object.This property is transitive.
This property identifies an instance of E28 Conceptual Object using an instance of E75 Conceptual Object Appellation.