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view wisdom/free @ 9250:55dd5b7be4b1
<boily> learn nlhp is a hockey programme.
author | HackBot |
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date | Thu, 13 Oct 2016 00:12:58 +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.