This thinker underwent a "metaphysical turn" and collected his metaphysics in a work allegedly spanning six days of meditation.
This thinker hypothesized that the idea of the existence of God must be infinite, and have a cause that is infinite, which is God, in a circular argument. This thinker underwent a "metaphysical turn" and collected his metaphysics in a work allegedly spanning six days of meditation. This rationalist said that innate intellect, not the (*) senses, provided information about substance, since the senses could be betrayed by an evil demon. He answered the mind-body problem by proposing substance dualism. In his Discourse on Method, this thinker first used the cogito. For 10 points, name this French philosopher who said, "I think, therefore, I am."
This thinker hypothesized that the idea of the existence of God must be infinite, and have a cause that is infinite, which is God, in a circular argument.
Rene Descartes