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view wisdom/free @ 8424:0b1979bd5280
<b_jonas> learn `? is the command to query wisdom entries.
author | HackBot |
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date | Thu, 09 Jun 2016 21:16:04 +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.