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Enriched categories, topoi, abelian categories, monoidal categories, homological algebra.

16 votes
1 answer
447 views

Zorn's lemma for Grothendieck sites

In every treatment of Grothendieck sites I can find, flasque sheaves are not defined in the way one would naïvely expect from ordinary sheaf cohomology; namely instead of saying that "restriction maps …
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