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ABRAHAM DEMOIVRE (1667-1754)

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Originally appearing in Volume V08, Page 5 of the 1911 Encyclopedia Britannica.
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ABRAHAM DEMOIVRE (1667-1754)  ,
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English mathematician of French extraction, was born at Vitry, in
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Champagne, on the 26th of May 1667 . He belonged to a French
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Protestant
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family, and was compelled to take
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refuge in England at the revocation of the edict of Nantes, in 1685 . Having laid the foundation of his mathematical studies in France, he prosecuted them further in
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London, where he read public lectures on natural philosophy for his support . The Principia mathematica of
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Sir Isaac Newton, which chance threw in his way, caused him to prosecute his studies with vigour, and he soon became distinguished among first-
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rate mathematicians . He was among the intimate
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personal friends of Newton, and his eminence and abilities secured his
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admission into the Royal Society of London in 1697, and after-wards into the
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Academies of Berlin and Paris . His merit was so well known and acknowledged by the Royal Society that they judged him a
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fit person to decide the famous contest between Newton and G . W . Leibnitz (see INFINITESIMAL CALCULUS) . The
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life of Demoivre was quiet and uneventful . His old age was spent in obscure poverty, his friends and associates having nearly all passed away before him . He died at London, on the 27th of November 1754 . The 1-hilosophical Transactions contain several of his papers .

He also published some excellent

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works, such as Miscellanea analytica de seriebus et quadraturis (1930), in 4to . This contained some elegant and valuable improvements on then existing methods, which have themselves, however, long been superseded . But he has been more generally known by his
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Doctrine of Chances, or Method of Calculating the Probabilities of Events at
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Play . This
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work was first printed in 1618, in 4to, and dedicated to Sir Isaac Newton . It was reprinted in 1738, with
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great alterations and improvements; and a third edition was afterwards published with additions in 1756 . He also published a
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Treatise on Annuities (1725), which has passed through several revised and corrected
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editions .. See C . Hutton, Mathematicl and Philosophical
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Dictionary (1815) . For Demoivre's Theorem see TRIGONOMETRY:
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Analytical .

End of Article: ABRAHAM DEMOIVRE (1667-1754)
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