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Metric space Facts for Kids. *Kiddle Encyclopedia.*

**Metric space** is a concept from Mathematics: Given a set of elments, there is a function which takes two arguments, which are elements of the set and returns a real number, which is usually called *distance* *d* between those elements. The function needs to be symmetric: d(x,y) = d (y,x).

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Metric space Facts for Kids. - This page was last modified on 1 July 2019, at 18:31.