Terminology
2： Inevitability and chance Dialectical relationship of (1) Necessity refers to the inevitable trend that must occur in the connection and development of things. Contingency refers to the uncertain trend in the connection and development of things. Necessity and contingency are the relations of unity of opposites.
(2) The two are opposite. They are two different trends of the development of things. The reasons for their emergence and their positions and roles in the development of things are different.
(3) The two are unified, which is shown as follows:
First, inevitability is always through a large number of chance Show it, so as to open the way for oneself, without breaking away chance The pure inevitability of; Second, chance It is the manifestation and necessary supplement of necessity. Behind contingency lies necessity and is restricted by it. There is no pure contingency that is divorced from necessity; Thirdly, inevitability and contingency can transform each other under certain conditions.
(4) The principle of dialectical relationship between necessity and contingency is of great significance in guiding scientific research and social practice
