Potentiality and actuality

Potentiality is a capacity to be or become something; actuality is the realized state or activity of that capacity. Aristotle uses the distinction to explain change, being, and the relation between matter and form.

Change: A transition in which something acquires or loses a property, state, or form. Aristotle describes change as the actualization of a potentiality.
Aristotle: An ancient Greek philosopher whose works shaped Western philosophy and science. He developed potentiality and actuality as central explanatory principles.
Aristotelian physics: Aristotle’s account of nature, motion, place, time, and the elements. It treats natural motion as the realization of capacities belonging to things.
Plato’s theory of Forms: Plato’s view that stable, intelligible Forms exist independently of changing sensible things. Aristotle locates form within substances rather than in a separate realm.
Physics (Aristotle): Aristotle’s work on nature, motion, and the principles needed to explain change. It introduces potentiality and actuality while examining how motion is possible.
Aristotelian causality: Aristotle’s account of explanation through material, formal, efficient, and final causes. Causes explain how a capacity is brought into actuality.
Metaphysics: The philosophical study of being, existence, and the most general structures of reality. Aristotle’s distinction addresses what it means for things to be.
Aristotelian biology: Aristotle’s study of living organisms, their functions, development, and forms. Growth makes an organism’s capacities actual through characteristic stages.
Atomism: The view that reality consists of indivisible fundamental units and their arrangements. Atomist accounts explain change through rearrangement rather than Aristotelian actualization.
Metaphysics (Aristotle): Aristotle’s treatise investigating being, substance, causes, and the first principles of reality. It develops the distinction into an account of substance and divine actuality.

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