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Pairwise-intersecting connected cover
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Mathematics
Area of mathematics
Geometry and topology
Connected space
Created
2026-09-24
Updated
2026-09-24
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If connected
subsets
cover
a
space
and every two of them intersect, then their union is connected. Equivalently, any continuous
integer-valued function
is constant on each member, and the intersections
force
all those
constants
to agree.
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Connected space
Geometry and topology
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2023
/
ib
/
Paper 2
/
2G
/
Solution
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