view wisdom/lens @ 1257:20ef644d2a6c

<GreyKnight> echo "A morphism is just an abstraction derived from structure-preserving mappings between two categories." > wisdom/morphism
author HackBot
date Fri, 04 Jan 2013 22:13:56 +0000
parents e037173e0012
children 9908e830aa86
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A lens is a monoidal natural transformation between higher-order coalgebra functors