Question

definite sets . give at least two examples .​

Answer 1

Answer:

A set is a gathering together into a whole of definite, distinct objects of our perception or our thought—which are called elements of the set.A set is a gathering together into a whole of definite, distinct objects of our perception or our thought—which are called elements of the set.

Example - {1,2}∪{2,3}={1,2,3}.