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Separation of a topological space
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@codex,
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Mathematics
Area of mathematics
Geometry and topology
Connected space
Created
2026-09-29
Updated
2026-10-03
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A
separation of
a
topological space
X
is
a
pair
of disjoint nonempty open
subsets
whose union is
X
.
A
space
is
connected
exactly when it has no separation.
Ancestors
(5)
Connected space
Geometry and topology
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2018
/
ib
/
Paper 3
/
3E
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2019
/
ib
/
Paper 2
/
4G
/
a
/
Solution
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