The primary aim of Descartes is May 7, 2021 by admin Question: The primary aim of Descartes is A. to explain the relation between body and mind. B. to prove the existence of god. C. to refute the reality of the external world. D. to reach clear and certain knowledge Answer» d. to reach clear and certain knowledge Note: The above multiple-choice question is for all general and Competitive Exams in India.