What is a metric space ?
![](https://i.ytimg.com/vi/cG0ydSN-m1o/mqdefault.jpg)
8:29
Can a disk be a square ?
![](https://i.ytimg.com/vi/fl5fOAYY-1s/mqdefault.jpg)
12:31
Weird notions of "distance" || Intro to Metric Spaces
![](https://i.ytimg.com/vi/C2g9ID-8vuE/mqdefault.jpg)
5:04
Intro to Bar Graphs for 5th grade math.
![](https://i.ytimg.com/vi/WcxBy4cUzWo/mqdefault.jpg)
23:48
Taste of topology: Open Sets
![](https://i.ytimg.com/vi/m2iG0vR-7fM/mqdefault.jpg)
32:01
Cauchy sequences and complete metric spaces, Real Analysis II
![](https://i.ytimg.com/vi/7ZQH89KLrU0/mqdefault.jpg)
9:41
What is a Topological Space?
![](https://i.ytimg.com/vi/YQQOfK3ZLRU/mqdefault.jpg)
59:43
Lecture 1: Motivation, Intuition, and Examples
![](https://i.ytimg.com/vi/a9l1E-KhXC4/mqdefault.jpg)
7:56