# Sets and Set Operations

Learn about sets and set operations.

StartSets and Set Operations: Lesson

Lesson 1 of 1

- 1A bibliophile could own a collection of books, and a music lover may own a collection of CDs. Any collection of unique items can form a
*set*. The objects that make up a set could be anything: movi… - 2Let us start with the simplest examples of sets. * The empty set (or the
*null*set), is what it sounds like, the set with no elements. We usually denote it by ∅ or by { }. * The number of e… - 3The
*complement*of a set A - denoted A’ or A c - is the set of all elements in the universal set U that are not in A. If the Universal set is W - the set of all whole numbers - and E is the set o… - 4#### Intersection The
*intersection*of two sets A and B is the set containing all the elements that A and B have in common. It is represented as A ⋂ B. If the two sets have nothing in common, the… - 5Venn diagrams are visual representations of sets. A rectangle represents the Universal set, U. Each set is represented by a circle or ellipse inside this rectangle. The circles can show the relatio…
- 6The operations on sets satisfy many identities. We will look at some important ones. Note the close similarity between these properties and their corresponding properties for addition and multiplic…
- 7Set theory is used as a foundation for many subfields of mathematics and computer science. Let us explore two areas. #### Sets in Data science A
*dataset*is a collection of numbers or values th…

## How you'll master it

Stress-test your knowledge with quizzes that help commit syntax to memory