An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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set partition
  پرکش ِ هنگرد  
parkeš-e hangard
Fr.: partition d'un ensemble  

A collection of → nonempty subsets of a set A such that every element of A is in exactly one of the subsets. In other words, A is the → disjoint  → union of these subsets.

See also: → partition; → set.