Question

Set of books is set of set

Answer 1

Sets:

A set is a well defined collection of distinct objects. The object in a set are called elements. Sets are written by enclosing all of its elements between the brackets{}.

For example ,when we want to write a set of the first five prime numbers,it can be written as {2,3,5,7,11} and set of incisors = { central incisors, lateral incisors}