ODM11 — Identifiers

Identifiers. In 16.2.2 (Class and Property - Basics), in the paragraph below Table 16.7, the first sentence says the translation assumes that a single name dentifies each instance of the class. It isn't necessary to assume this, since UML does not assume a relational semantics. The notion of identity is primitive in UML and applies even to instances of classes that have no attributes or attribute values. The rest of the paragraph may apply to relational implementations, but is not a general solution. It also assumes that the property names of classes are always different, but distinct classes can have the same properties in UML. (BTW, fourth sentence, "values" -> "names")

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