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category-theory-presentation/categories/30_How/300_Catamorphisms/040_morphism_Missing_Information.md
Yann Esposito (Yogsototh) 60135c8697 initial commit see my ykeynote repo for history
2013-02-28 16:49:12 +01:00

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κατα-morphism: Missing Information

Where is the missing information?

  • Functor operator fmap
  • Algebra representing the (+1) and also knowing the 0.

First example, make length on [Char]