Covering of the null ideal may have countable cofinality

Saharon Shelah*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We prove that it is consistent that the covering number of the ideal of measure zero sets has countable cofinality.

Original languageEnglish
Pages (from-to)109-136
Number of pages28
JournalFundamenta Mathematicae
Volume166
Issue number1-2
StatePublished - 2001

Keywords

  • Cardinal invariants of the continuum
  • Ccc forcing
  • Iterated forcing
  • Null sets

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