单词	natural number
释义	natural number noun 1 : the number 1 or any number (such as 3, 12, 432) obtained by adding 1 to it one or more times : a positive integer 2 : any of the positive integers together with 0 : a nonnegative integer Example Sentences Recent Examples on the Web Take any natural number, apply f, then apply f again and again. Dave Linkletter, Popular Mechanics, 22 July 2022 Yet even this seemingly simple concept poses a challenge: there is no largest natural number. Martin Goldstern, Scientific American, 16 Aug. 2021 Any intelligent species might have an interest in natural numbers (1, 2, 3 and so on) as well as things such as pi. The Economist, 28 Nov. 2019 Each of these sets would at first seem to be a smaller subset of the natural numbers. Quanta Magazine, 12 Sep. 2017 The set of real numbers is demonstrably larger than the set of natural numbers. Quanta Magazine, 20 Feb. 2019 Word History First Known Use 1763, in the meaning defined at sense 1 Kids Definition natural number noun : the number 1 or any number obtained by adding 1 to it one or more times
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