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<oerjan> ` cp bin/{wisdom,randbin}; sled \'bin/randbin//s#wisdom#bin#g\'
author HackBot
date Thu, 13 Oct 2016 22:53:20 +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.