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positive integer |
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positive integer [¦päz·əd·iv ′int·i·jər] (mathematics) An integer greater than zero; one of the numbers 1,2,3,…. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In 1770, French mathematician Joseph-Louis Lagrange proved that every positive integer is either a square itself or the sum of two, three, or four squares. He shows divisibility properties of the number of ways that a positive integer can be written as a sum. In 1770, French mathematician Joseph-Louis Lagrange proved what Diophantus, Pierre de Fermat, and others previously assumed: Every positive integer is either a square itself or the sum of two, three, or four squares. |
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