view wisdom/morphism @ 7338:dc90590d7dcd

<rdococ> misle/rn @/|n@| = -n; |@+k| = -1 - k/@
author HackBot
date Fri, 01 Apr 2016 02:15:06 +0000
parents c3f8b4762fa7
children a655017e4390
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A morphism is just a natural transformation between two functors on 1.