actualist See MODAL LOGIC.

actuality See POSSIBLE WORLDS.

actualization, first See ARISTOTLE.

actualization, second See ARISTOTLE.

actual occasion See WHITEHEAD.

actual reality See REALITY.

act utilitarianism See UTILITARIANISM.

Adam de Wodeham See WODEHAM.

adaptation See DARWINISM.

adaptive system See COMPUTER THEORY.

Adelard of Bath (c.1070–c.1145), English Benedictine monk notable for his contributions to the...

adequacy, analytic See MATERIAL ADEQUACY.

adequacy, material See MATERIAL ADEQUACY.

adequation See HUSSERL.

ad hoc See CURVE-FITTING PROBLEM.

ad hoc hypothesis See CURVE -FITTING PROBLEM.

adhyaatman (Sanskrit, 'relating to or belonging to the self'), in early...

adiaphora See STOICISM.

adicity See DEGREE.

adjunction See CONJUNCTION INTRODUCTION.

Adorno Theodor Wiesengrund (1903–69), German philosopher and aesthetic theorist, one of...

Advaita also called Uttara Mimamsa, in Hinduism, the non-dualistic form of...

adventitious ideas See IDEA.

adverbial theory See PERCEPTION.

Aenesidemus See SKEPTICISM, SKEPTICS.

aesthetic attitude the appropriate attitude or frame of mind for approaching art...

aesthetic form See AESTHETIC FORMALISM, AES -. THETIC. aesthetic formalism, the view...

aesthetic property a property or quality such as being dainty, garish, graceful,...

aesthetics the branch of philosophy that examines the nature of art...

affirming the consequent See FORMAL FALLACY.