Assertion: metric space | /r/CapableOf | call metric
Facets:
Source sentences:
text: Metric space, in mathematics, especially topology, an abstract set with a distance function, called a metric, that specifies a nonnegative distance between any two of its points in such a way that the following properties hold: (1) the distance from the first point to the second equals zero if and
text: A metric space is a pair (X, d) where X is a set and d is a function d: X × X → [0, ∞), called a metric, that satisfies the following properties for all x, y, z in X: (a) d(x, y)