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<hppavilion[1]> learn yuy yuy:yay::lulz:lol
author HackBot
date Tue, 15 Sep 2015 22:40:12 +0000
parents 7f957c1f4661
children
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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.