In my analysis of the philosophy of science, I will attempt to give an analysis of Aristotle’s demonstration and scientific knowledge starting points and how they apply to his theory, his definition in sciences, and scientific enquires of the various questions posted as well as his ideals of explanation, which gives clear ideal of his theory points in his premises. Aristotle starting points of sciences are definitions, existence proposition and general logical truth, which can only be grasped and not demonstrated. They are not verbal but g ....