The two lowest parts represent the world of phenomena and the two highest parts represent the world of thought and together they represent the whole of reality. The world of thought is also divided into two sections, one section consists of the objects studied by the mathematical sciences, eg. De fyra delarna har en stigande grad av verklighet och sanning. Meningen sysslar med det blivande, insikten med det varande. Mathematics is one of the most important forms of science, according to Plato, because its truths are eternal and because it prepares us to see the ideas.
Mathematics always proceeds from hypothese which it takes for granted.
The highest form of science is dialectics, which is the method whereby we grasps the essens of everthing and reaches the true knowledge of the ideas. Human nature Man is a connection of a body and a soul. Beg ret och modet ser bara till sig sj lva, medan f rnuftet ocks ser till hela sj len. Or ttr digheten beror enligt Platon p okunnighet.