Rene Descartes was a philosopher that debated over metaphysics, in which he exclaimed the importance of dualism, materialism, and idealism. He explained dualism is everything that exists is either mental or physical or a combination of both. He said materialism is matter, and idealism is an idea or mental. Descartes discovered the analytic geometry and how it fashions his intellectual style. Geometry was his main key and wanted geometric certainity to become part of philosophy. He bagan his persuasion by an axiom. Axiom is an established rule or self-evident truth. While being a philosopher Descartes was also a rationalist. He viewed that knowledge is the end product of reasoning. He also believed in a non-material mind or soul, which made
