The principle stating that roughly 80 percent of consequences come from 20 percent of causes; also known as the 80/20 rule

The mathematical rules governing the manipulation of powers, such as adding exponents when multiplying terms with the same base; also known as [[指数律|指數律|zhi3 shu4 lu:4]].

(mathematics) a method for finding the limit of a fraction where both the top and bottom approach zero or equal zero or infinity

(mathematics) L'Hôpital's rule; used in calculus to find the limits of indeterminate forms; mainly used in Taiwan

The objective rules and patterns that govern development and change in the natural world; also written as [[自然规律|自然規律|zi4 ran2 gui1 lu:4]]

the law of the jungle; social or economic survival of the fittest

the ethical principle of treating others as one wants to be treated