Uniformity of the Meager Ideal and Maxim
β
JΓΆrg Brendle; Otmar Spinas; Yi Zhang
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Article
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2000
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Elsevier Science
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English
β 142 KB
We prove that every maximal cofinitary group has size at least the cardinality of the smallest non-meager set of reals. We also provide a consistency result saying that the spectrum of possible cardinalities of maximal cofinitary groups may be quite arbitrary.