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Comma categories are pretty expressive construction but apparently many mathematicians including their inventor, Dr. Lawvere, dislike the term for its non-informativeness. I was wondering if anyone would know of other intuitive nicknames for comma categories.

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    How about something along the lines of "homotopy directed pullback"? It would be nice to call them simply lax pullbacks, but I don't think they are really equivalent...2012-07-09

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