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view wisdom/free @ 10194:03c44a00d5e5
<lezsakdomi> ` cat $(which sh) | paste
author | HackBot |
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date | Sun, 29 Jan 2017 11:18:10 +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.