# Relation

Revision as of 02:39, 24 December 2018 by Tom (talk | contribs) (Created page with "Let $X$ be a set. We say that any $R \subset X \times X$, where $\times$ denotes the product is a relation on $X$. =Properties= Category:Definition")

Let $X$ be a set. We say that any $R \subset X \times X$, where $\times$ denotes the product is a relation on $X$.