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Transactions of the American Mathematical Society
Transactions of the American Mathematical Society
ISSN 1088-6850(online) ISSN 0002-9947(print)

Weakly Ramsey $ P$ points


Author: Ned I. Rosen
Journal: Trans. Amer. Math. Soc. 269 (1982), 415-427
MSC: Primary 04A20
MathSciNet review: 637699
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Abstract: If the continuum hypothesis (CH) holds, then for any $ n$ Ramsey $ P$ point $ D$ and any $ k \geqslant 1$ there exist many $ n + k$ Ramsey $ P$ points which are immediate Rudin-Keisler successors of $ D$. There exist (CH) many 5 Ramsey $ P$ points whose constellations are not linearly ordered.


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DOI: http://dx.doi.org/10.1090/S0002-9947-1982-0637699-4
PII: S 0002-9947(1982)0637699-4
Article copyright: © Copyright 1982 American Mathematical Society