One work by this thinker begins by denying that any of wax's physical properties are essential to it, thereby drawing a distinction between perception and judgment. This thinker also considered and rejected the idea that god might be deceiving us about the nature of the outside world in the (*) "evil demon" argument. This originator and fiercest advocate of mind-body dualism formulated a proof for the existence of god in 
One work by this thinker begins by denying that any of wax's physical properties are essential to it, thereby drawing a distinction between perception and judgment. This thinker also considered and rejected the idea that god might be deceiving us about the nature of the outside world in the (*) "evil demon" argument. This originator and fiercest advocate of mind-body dualism formulated a proof for the existence of god in the third section of his magnum opus. For 10 points, name this French philosopher and mathematician, the author of Discourse on Method and Meditations on First Philosophy.
One work by this thinker begins by denying that any of wax's physical properties are essential to it, thereby drawing a distinction between perception and judgment.
Rene {Descartes}