chapter sets ............... Sets, in mathematics, are an organized collection of objects and can be represented in set-builder form or roster form. Usually, sets are represented in curly braces {}, for example, A = {1,2,3,4} is a set. Also, check the set symbols here. In sets theory, you will learn about sets and it’s properties. It was developed to describe the collection of objects. You have already learned about the classification of sets here. The set theory defines the different types of sets, symbols and operations performed. Table of contents: Definition Elements of Sets Order of sets Sets Representation Statement Form Roster Form Set Builder Form Types Operations Union of sets Intersection of sets Complement of sets Cartesian product of sets Difference of sets Formulas Properties Examples Definition of Sets Sets are represented as a collection of well-defined objects or elements and it does not ch