natural number

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English[edit]

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Noun[edit]

natural number (plural natural numbers)

  1. (mathematics) a positive integer {1, 2, 3, ...}
  2. (mathematics) a non-negative integer {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 , 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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