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Bertrand-Chebyshev theorem

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Etymology

From surname of Joseph Louis François Bertrand, who conjectured the theorem and surname of Pafnuty Chebyshev who proved it.

Noun

Bertrand-Chebyshev theorem

  1. (Template loop detected: Template:context 1) the theorem that there is at least one prime number between n and 2n for every n>1, i.e.:
    <math>\forall n\in\mathbb{N}:n>1\Rightarrow\exists p\in\mathbb{P}:n<p<2n</math>

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