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Supercardinality of spaces associated with ultrafilters

✍ Scribed by B. A. Efimov


Publisher
SP MAIK Nauka/Interperiodica
Year
1978
Tongue
English
Weight
447 KB
Volume
24
Category
Article
ISSN
0001-4346

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πŸ“œ SIMILAR VOLUMES


A notion of selective ultrafilter corres
✍ JosΓ© G. Mijares πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 240 KB

## Abstract We introduce the relation of __almost‐reduction__ in an arbitrary topological Ramsey space β„› as a generalization of the relation of almost‐inclusion on β„•^[∞]^. This leads us to a type of ultrafilter 𝒰 βŠ† β„› which corresponds to the well‐known notion of __selective ultrafilter__ on β„•. The