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発音

名詞

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, ...}.

使用する際の注意点

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

同意語

• counting numbers (positive integers)
• whole numbers (either sense)
• ℕ

関連する語

• set
• natural number
• inductive definition

参照

• “natural number”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
• “natural number”, in The American Heritage Dictionary of the English Language, 4th edition, Boston, Mass.: Houghton Mifflin, 2000, →ISBN.
• "natural number" in WordNet 2.0, Princeton University, 2003.