is a system of philosophy based on experience and experimental knowledge of natural sensation, in which metaphysics and theology are regarded as inadequate and imperfect systems of knowledge. (www.eb.com) The 19th-century French mathematician and philosopher Auguste Comte first called the doctrine , but some of the positivist concepts may be traced to the British philosopher David Hume, the French philosopher Duc de Saint-Simon, and the German philosopher Immanuel Kant. Comte chose the word on the ground that it indicated the "reality" and " ....