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Syntopogenous spaces with preorder. IV (regularity, normality)

โœ Scribed by K. Matolcsy


Book ID
105411742
Publisher
Akadmiai Kiad
Year
1985
Tongue
English
Weight
840 KB
Volume
45
Category
Article
ISSN
1588-2632

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A space with normal countable-to-one reg
โœ Tim LaBerge ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 345 KB

It is known that a space with every countable-to-one regular preimage normal must be at least < C-cwN. We construct a model of ZFC + CH with a normal space X that has every countable-toone regular preimage normal but is not < c+ -cwH, so that ZFC does not imply stronger separation properties for the