Medieval & Modern Philosophy · Early modern
René Descartes
The father of modern philosophy and analytic geometry: radical doubt, the evil demon, 'I think, therefore I am', mind–body dualism and its problems, and Cartesian coordinates.
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Key idea
Prereqs: Aristotle; Scientific Revolution. Next: Hobbes; Spinoza. Sources: Descartes, *Discourse on Method* (1637) and *Meditations on First Philosophy* (1641); Bernard Williams, *Descartes: The Project of Pure Enquiry*.Next: 1. The method of doubt