Historical materialism tells us that interaction between productive forces and production relations is the basically motive force of the development of society. Because there are abundance and stratum in productive forces, production relations might not adapt itself to productive forces, and we have to introduce intermediate elements to coordinate their relations which promote the development of society.The thesis introduces controlled concept of medium of the first pah* of contradiction. In contrast with dialectics' mediums, it can be controlled and measured. The thesis demonstrates that mediums of the first pair of contradiction are allocation of jobs, revolution, reforms and science and technology which are important concept of historical materialism. |