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cofinality (Definition)
CubicFormula

"cofinality" is owned by yark. [ full author list (2) | owner history (1) ]
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Also defines:  cofinal, regular cardinal, singular cardinal, regular, singular

Attachments:
partitions less than cofinality (Result) by Henry
another definition of cofinality (Definition) by x_bas
frequently in (Definition) by CWoo
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Cross-references: cardinality of the continuum, aleph, uncountable, König's theorem, limit ordinal, successor cardinals, infinite, countable, union, easy to see, finite, cardinals, identity map, well-ordered, totally ordered set, cardinality, function, subset, poset
There are 23 references to this entry.

This is version 22 of cofinality, born on 2002-02-19, modified 2006-10-12.
Object id is 2205, canonical name is Cofinality.
Accessed 12705 times total.

Classification:
AMS MSC03E04 (Mathematical logic and foundations :: Set theory :: Ordered sets and their cofinalities; pcf theory)

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