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<int-e> slwd 8/8/8/8/8/8/8/8//s/ notation//
author HackBot
date Sat, 30 Dec 2017 16:59:46 +0000
parents ca4257b9b1e7
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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.