Virtual America: Sleepwalking through Paradise
نویسندگان
چکیده
منابع مشابه
Strolling through Paradise
With each of the classical tree–like forcings adjoining a new real, one can associate a σ– ideal on the reals in a natural way. For example, the ideal of Marczewski null sets s corresponds to Sacks forcing S, while the ideal of nowhere Ramsey sets r corresponds to Mathias forcing R. We show (in ZFC) that none of these ideals is included in any of the others. We also discuss Mycielski’s ideal P2...
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ژورنال
عنوان ژورنال: The Annals of Iowa
سال: 2009
ISSN: 0003-4827,2473-9006
DOI: 10.17077/0003-4827.1339