natural numbers

English

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Noun

natural numbers pl (normally plural, singular natural number)

  1. (mathematics) The set of positive integers, {1, 2, 3, ...}.
  2. (mathematics, computer science) The set of non-negative integers, {0, 1, 2, 3, ...}.

Usage notes

  • In computer science, the natural numbers always include zero. In mathematics, some texts define them to include zero and some exclude it.

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