Definition
A pseudometric space is a set together with a non-negative real-valued function (called a pseudometric) such that, for every ,
- .
- (symmetry)
- (subadditivity/triangle inequality)
Unlike a metric space, points in a pseudometric space need not be distinguishable; that is, one may have for distinct values .
Read more about this topic: Pseudometric Space
Famous quotes containing the word definition:
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—William James (1842–1910)
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—Jane Adams (20th century)