Definition:Continuous Functor

From ProofWiki
Jump to navigation Jump to search

Definition

Let $\mathbf C$, $\mathbf D$ be metacategories.

Let $F: \mathbf C \to \mathbf D$ be a functor.


Then $F$ is continuous iff for all diagrams $D: \mathbf J \to \mathbf C$ with limit ${\varprojlim \,}_j \, D_j$:

$F \left({{\varprojlim \,}_j \, D_j}\right) \cong {\varprojlim \,}_j \, F D_j$

where $F D: \mathbf J \to \mathbf D$ is the diagram obtained by composition of $F$ with $D$, and $\mathbf J$ is an arbitrary metacategory.


Also see


Sources