Relations

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Overview

A binary relation R on two sets A and B is a subset of the Cartesian product A x B. If (a, b) belongs to the subset of the Cartesian product that defines the relation, we write a R b.

A binary relation R on a set A is a subset of the Cartesian product A x A.


An example of a binary relation on a finite set is the edge set of a graph.

TODO

CLRS page 1163