Difference between revisions of "Paranormal space"
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A [[topological space]] is said to be a '''paranormal space''' (or '''T<sub>6</sub> space''') if every countable discrete collection of [[closed set]]s has a [[locally finite]] open expansion. | A [[topological space]] is said to be a '''paranormal space''' (or '''T<sub>6</sub> space''') if every countable discrete collection of [[closed set]]s has a [[locally finite]] open expansion. | ||
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Latest revision as of 17:13, July 13, 2016
A topological space is said to be a paranormal space (or T6 space) if every countable discrete collection of closed sets has a locally finite open expansion.