Covering of the Null Ideal May Have Countable Cofinality
نویسنده
چکیده
We prove that it is consistent that the covering number of the ideal of measure zero sets has countable cofinality.
منابع مشابه
Properties of Ideals on The Generalized Cantor Spaces
We define a class of productive σ−ideals of subsets of the Cantor space 2ω and observe that both σ−ideals of meagre sets and of null sets are in this class. From every productive σ−ideal J we produce a σ−ideal Jκ of subsets of the generalized Cantor space 2κ. In particular, starting from meagre sets and null sets in 2ω we obtain meagre sets and null sets in 2κ, respectively. Then we investigate...
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تاریخ انتشار 2000