natural number

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English[edit]

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Noun[edit]

natural number (plural natural numbers)

  1. (mathematics) a member of the set of natural numbers — a positive integer (set of [1,2,3,...])
  2. (mathematics) a member of the set of natural numbers — a non-negative integer (set of [0,1,2,3,...]).
    • 2007, Mark Bridger, REAL ANALYSIS: A Constructive Approach, Hoboken, New Jersey: John Wiley & Sons, page 3:
      A careful derivation of the arithmetic properties of the natural numbers \mathbb{N}, using induction, was done by G. Peano (1858–1932). It is a lot of fun, but we will not pursue any of it here.

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