Gδ set (Q127244)
countable intersection of open sets
Language:
Current Data About Gδ set
(P279) (Q177646)
(P361) (Q893487)
(Q28659876)
(P461) (Q4392123)
(P2534) A = \bigcap_{r \in \mathbb{Q}} \{(ry,y) \mid y \in \mathbb{R}\}
(P6104) (Q8487137)
other details
aliases G-delta set
G_δ set
description countable intersection of open sets

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