The Theological phase was seen from the perspective of 19th century France as preceding the Enlightenment, in which man's place in society and society's restrictions upon man were referenced to God. By the "Metaphysical" phase, he was not referring to the Metaphysics of Aristotle or any other ancient Greek philosopher, for Comte was rooted in the problems of French society subsequent to the revolution of 1789. This Metaphysical phase involved the justification of universal rights as being on a vauntedly higher plane than the authority of any human ruler to countermand, although said rights were not referenced to the sacred beyond mere metaphor.
What he announced by his term of the Scientific phase, which came into being after the failure of the revolution and of Napoleon, was that people could find solutions to social problems and bring them into force despite the proclamations of human rights or prophecy of the will of God. In this regard he was similar to Karl Marx and Jeremy Bentham. For its time, this idea of a Scientific phase was considered up-to-date, although from a later standpoint it is too derivative of classical physics and academic history. The other universal law he called the 'encyclopedic law'. By combining these laws, Comte developed a systematic and hierarchical classification of all sciences, including inorganic physics (astronomy, earth science and chemistry) and organic physics (biology and for the first time, physique