A consistent counterexample in the theory of collectionwise Hausdorff spaces

S. Shelah

doi:10.1007/BF02764862

A consistent counterexample in the theory of collectionwise Hausdorff spaces

S. Shelah^*

^*Corresponding author for this work

Einstein Institute of Mathematics

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

It is shown to be consistent that there is a normal first countable locally countable space which is not collectionwise Hausdorff and in which there is a closed discrete non-G_δ set which provides the counterexample to collectionwise Hausdorffness. This answers a question of P. Nyikos.

Original language	English
Pages (from-to)	219-224
Number of pages	6
Journal	Israel Journal of Mathematics
Volume	65
Issue number	2
DOIs	https://doi.org/10.1007/BF02764862
State	Published - Jun 1989

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A consistent counterexample in the theory of collectionwise Hausdorff spaces

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