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G-delta

From Encyclopedia of Mathematics
Revision as of 08:28, 16 August 2012 by Camillo.delellis (talk | contribs) (moved Set of type F sigma(G delta) to G-delta: Easier to find.)
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-set (-set)

A union (intersection) of a countable number of closed (open) sets. See Borel set.

How to Cite This Entry:
G-delta. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=G-delta&oldid=27592
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