Source: Extra Practice
If A = {1, 2, 3}, then the relation R = {(1, 1), (2, 2), (3, 3)} on set A is called:
Options
Option A
Universal Relation
Option B
Void Relation
Option C is correct
Identity Relation
Option D
Inverse Relation
Explanation
A relation R on set A is an Identity Relation if every element of A is related to itself only. Here, each element of {1, 2, 3} is paired with itself and nothing else. Universal relation would contain all 9 possible pairs. Void relation would be empty. Inverse relation refers to reversing the pairs of another relation.