the quality of following a set pattern or rule; the property of developing according to specific laws

The objective laws and principles that govern everything in the natural world

The economic principle in Marxian economics stating that the value of commodities is determined by the socially necessary labor time required for their production; it regulates the exchange of goods and the distribution of labor within a society.

The fundamental law of dialectical materialism, which states that all things are a unity of contradictory opposites. Internal conflict between these opposites is absolute and eternal, driving the process of change and development.