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<oerjan> le/rn abstract nonsense/We would have an explanation of abstract nonsense here, but it fled into a diagram and we haven\'t been able to chase it.
author HackBot
date Mon, 18 Jan 2016 06:45:14 +0000
parents c3f8b4762fa7
children a655017e4390
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A morphism is just a natural transformation between two functors on 1.