In this video, we shall look into the few derived concepts from the definition of closed and open sets, namely the closure and the interior of a set in topological spaces, and conclude with a few examples.
Timestamps:
0:00 - A few standard notations
5:37 - Definitions of Closure and Interior of a set
17:11 - A few related properties
22:25 - When a point is eligible to land inside the closure of a set
31:40 - An exercise
33:00 - A few examples
46:00 - Concluding remarks