After reading this chapter, you will be conversant with:
♦Introduction
♦Sets
♦Cartesian Product of Sets
♦Multiset
1.1 INTRODUCTION
Set theory is one of the important tools in modern mathematics. It has not only revolutionized
mathematical thinking but also unified various branches of mathematics. Every branch of
mathematics can be considered as a study of sets of objects of one kind or the other. For example,
algebra and number theory are concerned with the set of numbers whereas analysis deals with
the set of functions. In this chapter, the concept of sets, subsets, operations on sets, inclusion and
exclusion principle, ...
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