What is a metric space ?
8:29
Can a disk be a square ?
12:31
Weird notions of "distance" || Intro to Metric Spaces
5:04
Intro to Bar Graphs for 5th grade math.
23:48
Taste of topology: Open Sets
32:01
Cauchy sequences and complete metric spaces, Real Analysis II
9:41
What is a Topological Space?
59:43
Lecture 1: Motivation, Intuition, and Examples
7:56