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<hppavilion[1]> ` sed -i \'s#the universe, #the universe, the triverse, #\' wisdom/tanebvention
author HackBot
date Mon, 10 Oct 2016 18:26:16 +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.