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arXiv:1801.02517 [math.LO]AbstractReferencesReviewsResources

On the cofinality of the splitting number

Alan Dow, Saharon Shelah

Published 2018-01-08Version 1

The splitting number can be singular. The key method is to construct a forcing poset with finite support matrix iterations of ccc posets introduced by Blass and the second author "Ultrafilters with small generating sets", Israel J. Math., 65, (1989)

Journal: Indag. Math. (N.S.) 29 (2018), no 1, 382-395
Categories: math.LO
Subjects: 03E15
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