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<zgrep> misle/rn @/|a+b@| = { \xe2\x88\x9a(a\xc2\xb2-b\xc2\xb2) if a\xc2\xb2-b\xc2\xb2 \xe2\x89\xa5 0 ; i\xe2\x88\x9a(a\xc2\xb2-b\xc2\xb2) if a\xc2\xb2-b\xc2\xb2 < 0 }
author HackBot
date Fri, 01 Apr 2016 04:25:49 +0000
parents c091565553db
children c777e2d91031 0ee35941a045
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Endomorphisms are just morphisms which compose with themselves.