Semantic relationships between compilation units (as discussed in chapter 10 of ISO/IEC 8652:1995). The Relation_Kinds type enumerates the kinds of relations that can exist between compilation units. See also Dependent, Extended Family, and Supporter.
various current uses, ranging from casual to ostentatious; rarely with any sustained effort at localization of the "named," as is shown by ever-recurrent discussions (and, what is worse, evasions) as to whether relation (assumed to have a certain existence somewhere as itself factual) is "internal" or "external." Suggested by us to name system among words, in correlation with reference and connection.
A symbol that signifies some quantitative relationship between two or more expressions. While the only relation discussed in this book is the equals sign (=), other examples are inequalities such as or .