Which of the following explains the philosophical method correctly?
I. It seeks to construct basic concepts in order to solve the riddles of the universe and of human society.
II. In order to understand the things beyond our observation, it tries to build a system of thought based on logic.
III. The knowledge obtained by the normative method is not duly recognised under the philosophical method.
IV. A combination of empiricism and normativism gives rise to political philosophy.
Choose the correct answer from below: