What is a metric space ?
8:29
Can a disk be a square ?
12:31
Weird notions of "distance" || Intro to Metric Spaces
59:43
Aula 1: Motivação, Intuição e Exemplos
33:36
Completion of a metric space
32:01
Cauchy sequences and complete metric spaces, Real Analysis II
40:31
Topology Lecture 01: Topological Spaces
9:41
What is a Topological Space?
7:56