Extension of a metric defined on a closed subset
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If $X$ is any metrizable space, $A$ is a closed subset of $X$. Let $d$ be a compatible metric on $A$ then $d$ can be extended to a compatible metric on $X$.
real-analysis general-topology metric-spaces
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edited Jul 7 '13 at 11:30
Hagen von Eitzen
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asked Jul 7 '13 at 11:15
akansha akansha
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