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Bertrand’s postulate
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Bertrand’s postulate

mathematics

Learn about this topic in these articles:

work of Erdős

  • Paul Erdős
    In Paul Erdős

    …a stunningly simple proof of Bertrand’s postulate, which says that a prime can always be found between any integer (greater than 1) and its double. Even at this early point in his career, Erdős had definite ideas about mathematical elegance. He believed that God, whom he affectionately called the S.F.…

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