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<oerjan> learn i,i is short for "I have wasps in my underwear, and want to distract myself by saying".
author HackBot
date Fri, 14 Oct 2016 01:40:16 +0000
parents ca4257b9b1e7
children
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A free structure is one that has no nontrivial identities, except algebraist phrase that in a much fancier way with morphisms.