Talk:Abelian category

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I intend to redesign this article over the next few days, in light of the existence of the articles Preadditive_category, Additive_category, and Pre-Abelian_category. I'm going to tighten up the definition, since much of that repeats items that can be found in those articles, and add reference links to those articles. — Toby 11:34 Jul 21, 2002 (PDT)