Introduction to Relations.

1)  Introduction to Relations

Here R: A -> B, is read as, R is a relation such that it is defined from set A to set B. It means that elements of set A has relations with elements of set B . Relations is between elements of sets.

2) Domain, Range and C0-Domain

Range ⊆ Co- Domain means Range is either a subset or equal to the Co- Domain.

3) Mathematical definition of Relations.

4) Formula for total number of Relations.

5) Representation of Relations : Visual form, Roaster form, Set-Builder form.

6) Empty Relation

7) Universal Relation

8) Inverse of a Relation