Question

What do you mean by these in Sets in mathematics???how do you solve them ????

Answer 1

Sets are well defined collection of objects.

ɸ - used to denote empty/null/void sets.

- - Subtraction operation

∪ - used to denote union

Answer 2

Step-by-step explanation:

• A set in mathematics is a collection of well defined and distinct objects, considered as an object in its own right. Sets are one of the most fundamental concepts in mathematics. ... There are two ways of describing, or specifying the members of, a set

___'__________'___________'