Set Theory IIT Questions No 11 (X Class)
Set theory is a branch of mathematical logic that studies sets, which are collections of objects. It deals with the properties and relations between sets and their elements, and it is the foundation of all modern mathematics. In set theory, sets can be infinite and can contain other sets as elements. It also explores the concept of membership, the idea that an object belongs to a set or not. Set theory has important implications in areas such as topology, algebra, and model theory, among others.