1. Empty set :- A set having no element is called empty set . It is denoted by φ(Phi) or { } e.g. A set of all students of eleventh class in a high school is an empty set because no student of a high school is in class eleventh we can write it as […]
Set:- A set is a well defined collection of distnict objects. Here it is important to understand the meaning of term ‘well defined’. Let us take an example to understand it . Suppose there are 30 students in class eleventh, I asks you to make list boys then you can easily do it, if same task is