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From Encyclopedia of Mathematics
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The restriction of a metric to a subset of a metric space , i.e. the restriction of the mapping of the square to the square . This concept permits one to consider any subset of a metric space as a metric space.

How to Cite This Entry:
Relative metric. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Relative_metric&oldid=24944
This article was adapted from an original article by B.A. Pasynkov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article