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Martin Escardo

@EscardoMartin

@JDHamkins However, in point-free topology we start with facts (the opens). Then we define a point to be a completely prime filters (a multitude of facts that uniquely specifies a thing by decree). Even better the points don't matter. And there are non-trivial spaces with no points at all!

13/10/2022, 21:07:58

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Martin Escardo

@EscardoMartin

@JDHamkins So in point-free topology the facts are more primitive than the things.

13/10/2022, 21:08:21

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