I meant as a field of research. Obviously the concept of an open set, etc., rema... | Hacker News

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		spekcular on Jan 28, 2021 \| parent \| context \| favorite \| on: Topology 101: How Mathematicians Study Holes I meant as a field of research. Obviously the concept of an open set, etc., remain foundational.

michaelpb on Jan 28, 2021 [–]

Judging from the replies you're getting I think "field of research" was an important qualifier hahah

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