Concentrated sets
Published online by Cambridge University Press: 24 October 2008
Extract
A non-enumerable set of real numbers, Z, is concentrated provided that there exists an enumerable set K such that if G is open and G ⊂ K then Z − G is at most enumerable. Z is said to be universally concentrated if we can take for K any enumerable set H for which
- Type
- Research Article
- Information
- Mathematical Proceedings of the Cambridge Philosophical Society , Volume 63 , Issue 4 , October 1967 , pp. 931 - 933
- Copyright
- Copyright © Cambridge Philosophical Society 1967
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