Talk:Presheaf (category theory)

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 Field:  Foundations, logic, and set theory

It seems to me that it is the same thing as an "inverse system". And precosheaf is a directed system. as in http://www.encyclopediaofmath.org/index.php/System_(in_a_category) — Preceding unsigned comment added by Noix07 (talkcontribs) 18:22, 9 November 2013 (UTC)