On completing this chapter, you should able to:

work with the concepts of a set, its elements and subsets

define the sets of natural numbers, integers, rational numbers, real numbers, complex numbers and their various subsets

find unions and intersections of given sets

define the concepts of a relation and a function

solve problems on reflexive, symmetric and transitive relations

solve problems on one-to-one and onto functions

find the images of subsets of domains and inverse images of subsets of the co-domain for some simple functions

find left inverses, right inverses and the inverse of some simple functions whenever they exist

prove basic results on one-one and onto functions ...

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