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<Phantom_Hoover> learn composition is where you take morphisms such as Phantom and Hoover from the Pha category and combine them together: Hoover \xe2\x88\x98 Phantom.
author HackBot
date Fri, 31 May 2013 15:59:05 +0000
parents cd224c4b5c88
children c777e2d91031
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Monoids are the easy version of categories.