may be needed to grasp it. Accordingly, causality is implicit in the structure of ordinary language, as well as explicit in the language of scientific causal notation.

In English studies of Aristotelian philosophy, the word "cause" is used as a specialized technical term, the translation of Aristotle's term ?????, by which Aristotle meant "explanation" or "answer to a 'why' question". Aristotle categorized the four types of answers