view wisdom/functor @ 6407:dd3fd90886c8

<b_jonas> le/rn integer/An integer is a number that does not contain a wildcard that matches any character other than a line feed.
author HackBot
date Sat, 19 Dec 2015 16:07:33 +0000
parents e037173e0012
children c777e2d91031 1e323fe0c60e
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Functors are just morphisms in the category of small categories