On hereditarily separable Hausdorff spaces in the constructible universe
Keith Devlin (1974)
Fundamenta Mathematicae
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Displaying similar documents to “A normal space X for which X×I is not normal”
On hereditarily separable Hausdorff spaces in the constructible universe
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Cofinal families in certain function spaces
William Wistar Comfort (1988)
Commentationes Mathematicae Universitatis Carolinae
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Is the product of ccc spaces a ccc space?
Nina M. Roy (1989)
Publicacions Matemàtiques
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In this expository paper it is shown that Martin's Axiom and the negation of the Continuum Hypothesis imply that the product of ccc spaces is a ccc space. The Continuum Hypothesis is then used to construct the Laver-Gavin example of two ccc spaces whose product is not a ccc space.
The Tychonoff product theorem implies the axiom of choice
J. Kelley (1950)
Fundamenta Mathematicae
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On the class of all spaces of weight not greater than ω_1 whose Cartesian product with every Lindelöf space is Lindelöf
K. Alster (1988)
Fundamenta Mathematicae
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Squares with diamonds and Souslin trees with special squares
Uri Abraham, Saharon Shelah, R. Solovay (1987)
Fundamenta Mathematicae
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Murray Bell (1981)
Fundamenta Mathematicae
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J. Hickman (1973)
Fundamenta Mathematicae
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