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None may refer to:

  • Zero, the mathematical concept of the quantity "none"
  • Empty set, the mathematical concept of the collection of things represented by "none"
  • none, an indefinite pronoun in the English language


Other uses[edit]

  • None (liturgy), the ninth hour of the traditional Christian liturgy
  • None, Piedmont, a commune in the province of Turin in the Italian region of Piedmont
  • Irreligion, a lack of religious affiliation
  • None of the above, a political expression for rejecting all available candidates

See also[edit]