Mercurial > repo
view wisdom/composition @ 3282:d0fa860458af
<oerjan> echo \'A preorder is just a thin category.\' >wisdom/\'preorder\'
author | HackBot |
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date | Sat, 06 Jul 2013 03:40:42 +0000 |
parents | bb9776affdeb |
children | c777e2d91031 |
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composition is where you take morphisms such as Phantom and Hoover from the Pha category and combine them together: Hoover ∘ Phantom.