Abstract: This aims to provide the ease of understanding in concept of relation and its types. Relation is one of the important topics of set theory. Relations set and functions are three interlinked concepts. Sets denote the collection of elements whereas functions and relations define the operations performed on sets. The relations define the connection between the two given sets. Also, there are different types of relations defining the connections between the sets.

Keywords: Relation theory, relation in discrete mathematics, relation, Basic of discrete mathematics.

| DOI: 10.17148/IARJSET.2021.8304