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<oerjan> ` mv wisdom/fo{u,}rth
author | HackBot |
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date | Wed, 04 Oct 2017 01:46:27 +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.