| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| Clairaut, Alexis Claude |
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(äl ks s´ kl d kl r ´) (KEY) , 171365, French mathematician. He assisted P. L. M. de Maupertuis in measuring (1736) a degree of an arc of a meridian in Lapland. He is noted for his work on differential equations and on curves and for formulating Clairauts theorem dealing with geodesic lines on the surface of an ellipsoid. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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