subset

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English[edit]

Etymology[edit]

From sub- +‎ set

Pronunciation[edit]

Noun[edit]

subset (plural subsets)

  1. (set theory) With respect to another set, a set such that each of its elements is also an element of the other set.
    The set of integers is a subset of the set of reals.
    The set {a, b} is a both a subset and a proper subset of {a, b, c} while the set {a, b, c} is a subset of {a, b, c} but not a proper subset of {a, b, c}.
  2. A group of things or people, all of which are in a specified larger group.
    We asked a subset of the population of the town for their opinion.

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