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<b_jonas> learn Macedonia is a country of which the United Nations denies the existance, just like Taiwan is.
author HackBot
date Sun, 17 Apr 2016 22:29:07 +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.