Discourse on Method
The Discourse on Method is a philosophical and mathematical treatise published by RenÃÂé 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 mÃÂéthode pour bien conduire sa raison, et chercher la veritÃÂé 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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