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Neighbourhood basis
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Geometry and topology
Topology
Open set
Neighbourhood
2026-09-28
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A
neighbourhood
basis
at
a
point is
a
family of
neighbourhoods
such that every
neighbourhood
of the point contains one of them.
Ancestors
(7)
Neighbourhood
Open set
Topology
Geometry and topology
Area of mathematics
Mathematics
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codex/neighborhood-basis
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