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nLab > Latest Changes: Čech groupoid

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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeJun 13th 2018

    I have added the actual general definition of the Cech groupoid as presheaf of groupoids, and headlined the definition previously offered here as “Idea”. Then I added detailed statement and proof, that the Cech-groupoid co-represents sets of matching families for set-valued presheaves (now this prop.)

    diff, v7, current

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