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

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Limits in functor categories

Let $C$ have all limits of diagrams indexed by $J$, and for each $b\in B$ let $E_b:C^B \rightarrow C$ the evaluation functor that evaluates at $b$. Given a diagram $F: J \rightarrow C^B$, we can calc …
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