How to define sets and set notation

The video tutorial provides an overview of sets, including definitions of sets, subsets, and elements. It explains the concept of a universal set, which contains all elements, and discusses set notation with examples. The tutorial also covers the intersection and union of sets, highlighting the differences between shared and combined elements. The lesson concludes with a recap of key vocabulary terms related to sets.

How do we denote that an element is contained in a set?

What is the difference between a union and an intersection of sets?

What does it mean for one set to be a subset of another?