Shelah, S.; Rudin, Mary Ellen Unordered types of ultrafilters. (English) Zbl 0431.03033 Topology proceedings, Vol. 3, No. 1, Proc. Topol. Conf. Univ. Okla. 1978, 199-204 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 12 Documents MSC: 03E55 Large cardinals 54A25 Cardinality properties (cardinal functions and inequalities, discrete subsets) Keywords:incomparable types; ultrafilters; Rudin-Keisler order Citations:Zbl 0404.00014; Zbl 0263.02033; Zbl 0298.02004 PDFBibTeX XMLCite \textit{S. Shelah} and \textit{M. E. Rudin}, Topol. Proc. 3, No. 1, 199--204 (1979; Zbl 0431.03033)