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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeOct 5th 2010
    • (edited Oct 5th 2010)

    I tentatively added the reference

    • Schlomiuk, An elementary theory of the category of topological spaces

    to Top.

    I have to admit, though, that I did not study it. Does anyone know more about this?

    • CommentRowNumber2.
    • CommentAuthorTobyBartels
    • CommentTimeOct 5th 2010

    I haven’t read Schlomiuk either, but the title reminds me of the intention behind Paul Taylor’s Abstract Stone Duality.

    • CommentRowNumber3.
    • CommentAuthorDavidRoberts
    • CommentTimeOct 5th 2010

    I think the treatment could be given a good workover. There are some axioms which could be more succinctly stated, much like ETCS can be stated very briefly as “The category of sets is a well-pointed topos with a natural numbers object satisfying the axiom of choice.” Some of them might be able to be incorporated into the axioms for a topological concrete category.