Discourse on Method
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The Discourse on Method is a philosophical and mathematical treatise published by Rene Descartes in 1637. Its full name is Discourse on the Method of Rightly Conducting the Reason in the Search for Truth in the Sciences (French title: Discours de la methode pour bien conduire sa raison, et chercher la verite dans les sciences).
The Discourse on Method is best known as the source of the famous quotation "cogito ergo sum". In addition, it contains Descartes' first introduction of the Cartesian coordinate system.
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