What is a Set?

A set is a collection of objects. Any group of related, but unordered objects can be referred to as a set. This can include mathematical objects, such as functions and numbers. Sets can also be made up of other sets.

Why do we need Sets?

Sets are conceptual boxes or baskets that we can use in order to group things together. For example, we may want to understand

Common Sets

Real Numbers

Sets and Subsets