view wisdom/functor @ 12245:f3f954c4c8fa draft

<b_jonas> addwhatis whatis(5hackeso) - no description
author HackEso <hackeso@esolangs.org>
date Thu, 05 Dec 2019 23:40:42 +0000
parents 69b3e38974d3
children
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Functors are morphisms in the category of small categories.