Employing skepticism in his "Discourse on Method," for 10 points, name this 17th century French philosopher, who invented a namesake coordinate system and claimed "I think, therefore I am".
This thinker examined seemingly contradictory statements with his namesake Theory of Fallacies, and in another work, he proposed examining a certain substance engulfed in flame in his "wax argument." He suggested the pineal gland is the interaction point between [*] mind and body, and, independently of Snell, formulated the law of reflection. Employing skepticism in his "Discourse on Method," for 10 points, name this 17th century French philosopher, who invented a namesake coordinate system and claimed "I think, therefore I am".
This thinker examined seemingly contradictory statements with his namesake Theory of Fallacies, and in another work, he proposed examining a certain substance engulfed in flame in his "wax argument."
René {Descartes} [accept {Cartesius}]