Question

what is definition of a set?

Answer 1

set is a well defined collection of objects in terms of mathematics

Answer 2

A set is a group or collection of objects or numbers, considered as an entity unto itself. Sets are usually symbolized by uppercase, italicized, boldface letters such as A, B, S, or Z. Each object or number in a set is called a element of the set . Eg : the set of all irrational numbers between 0 and 1.