descartes, rené

Science Dictionary
Descartes   (dā-kärt')  Pronunciation Key 
French mathematician and philosopher who discovered that the position of a point can be determined by coordinates, a discovery that laid the foundation for analytic geometry.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
Descartes, René [(day-kahrt)]

A seventeenth-century French philosopher. He is known for his statement “I think; therefore I am.” Descartes relied on reason to explain the workings of the universe; his ideas are often called “Cartesianism,” after the Latin form of his name.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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