External Links

    Journal: Annals of Pure and Applied Logic

    Volume 49, Issue 2

    97 -- 119Rodney G. Downey. Lattice Nonembeddings and Initial Segments of the Recursively Enumerable Degrees
    121 -- 142Martin Goldstern, Saharon Shelah. Ramsey Ultrafilters and the Reaping Number - Con(r<u)
    143 -- 191Thomas G. McLaughlin. Sub-Arithmetical Ultrapowers: A Survey
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