Skip to main content
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Source Link

If a topological space X has $\aleph_1$-calibre[definition][definition], then it must be star countable? What if the cardinality of the topological space X is additionally < = $2^{\aleph_0}$?

If a topological space X has $\aleph_1$-calibre[definition], then it must be star countable? What if the cardinality of the topological space X is additionally < = $2^{\aleph_0}$?

If a topological space X has $\aleph_1$-calibre[definition], then it must be star countable? What if the cardinality of the topological space X is additionally < = $2^{\aleph_0}$?

added 86 characters in body
Source Link
Paul
  • 654
  • 4
  • 15

If a topological space X has $\aleph_1$-calibre[definition], then it must be star countable? What if the cardinality of the topological space X is additionally < = $2^{\aleph_0}$?

If a topological space X has $\aleph_1$-calibre[definition], then it must be star countable?

If a topological space X has $\aleph_1$-calibre[definition], then it must be star countable? What if the cardinality of the topological space X is additionally < = $2^{\aleph_0}$?

Source Link
Paul
  • 654
  • 4
  • 15

If a topological space X has $\aleph_1$-calibre, then it must be star countable?

If a topological space X has $\aleph_1$-calibre[definition], then it must be star countable?