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bn:03120858n
Noun Concept
IT
No term available
EN
In mathematics, an Fσ set is a countable union of closed sets. Wikipedia
Relations
Sources
IS A
sottoinsieme
insieme numerabile
PART OF
gerarchia borel
DE
Gδ- und Fσ-Mengen
HAS KIND
insieme chiuso
OPPOSITE OF
EN
Gδ set
STUDIED BY
topologia

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