In cartography plotting points on axes is not as important as depicting routes, relations, blockages
@St_Rev My extremely vague recollection is that Rota taught it from Birkhoff’s book, or Birkoff’s notes, or something like that.
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@St_Rev I was only CS person in a graduate seminar. Rota gave me a good grade probably out of pity. -
@Meaningness Mac Lane, maybe? - 9 more replies
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