inverse system

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|algebra}} A set of [[algebraic structure]]s (which are part of a [[concrete category]]; ''e.g.'', groups) and a set of morphisms between them (''e.g.'', [[group homomorphism]]s) which all together form a [[small category]] which is the image of a [[contravariant functor]] whose domain is a [[directed]] [[poset]].

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