permutation

  1. Noun.  (mathematics) A one-to-one mapping from a finite set to itself.
  2. Noun.  (mathematics, combinatorics) An ordering of a finite set of distinct elements.
  3. Noun.  (music) A transformation of a set's prime form, by applying one or more of certain operations, specifically, transposition, inversion, and retrograde.

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This entry was last updated on RefTopia from its source on 3/20/2012.