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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeJan 6th 2016

    for completeness, I gave formal neighbourhood of the diagonal its own little entry.

    • CommentRowNumber2.
    • CommentAuthorzskoda
    • CommentTimeJan 6th 2016

    I suggest that the rather strange phrase “infinitesimal neighbour points” be replaced by the more received expression “infinitesimally close points” (if word neighbour must be there than it would be more correct to say “infinitesimally neighbouring points”).

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeJan 6th 2016

    Okay, I have changed it.

  1. Added a link to infinitesimal neighborhood under related concepts

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