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Stream: deprecated: mathematics

Topic: Von Neumann varieties

Jan Pax (Sep 10 2022 at 17:57):

In the second snippet below in the second paragraph, does "not just in $\cal F$" mean that $\cal F$ is larger or smaller than $\cal P$ ? 1 2

Reid Barton (Sep 10 2022 at 18:24):

"finitely presentable projective objects" just means objects that are both finitely presentable, and projective.

Reid Barton (Sep 10 2022 at 18:25):

Every object is the colimit of a filtered diagram in $\mathcal{F}$ (because the category is locally finitely presentable).