Видео с ютуба Metric Space

7 уровней метрических пространств

Weird notions of "distance" || Intro to Metric Spaces

Functional Analysis 1 | Metric Space - How to Measure Distances?

Metric Spaces: An Abstraction of "how far?"

Topological Spaces Visually Explained

Metric Spaces 1: Definition and Examples

Метрические пространства

4 - Continuity in metric spaces