antinomy See KANT.

Antiochus of Ascalon (c.130–c.68 B.C.), Greek philosopher and the last prominent member of...

Antipater See STOICISM.

Antiphon See SOPHISTS.

anti-razor See OCKHAM'S RAZOR.

anti-realism rejection, in one or another form or area of inquiry,...

Antisthenes See CYNICS.

antisymmetrical See ORDERING, RELATION.

antithesis See HEGEL.

apagoge See ARISTOTLE.

apatheia See STOICISM.

apeiron Greek term meaning 'the boundless' or 'the unlimited', which evolved...

apellatio See PROPRIETATES TERMINORUM.

apocatastasis (from Greek, 'reestablishment'), the restoration of all souls, including Satan's...

apodictic See HUSSERL, KANT.

apodosis See COUNTERFACTUALS.

apophantic See HUSSERL.

aporetic See APORIA.

a priori justification See A PRIORI, JUSTIFICATION.

A-proposition See SYLLOGISM.

Apuleius of Madaura See MIDDLE PLATONISM.

Aquinas Saint Thomas (1225–74), Italian philosopher-theologian, the most influential thinker of...

Arabic philosophy the philosophy produced in Arabic by philosophers of various ethnic...

aporia (plural: i), Greek term meaning 'puzzle', 'question for discussion', 'state...

a posteriori See A PRIORI.

appearing, theory of See THEORY OF APPEARING.

appellation See SHERWOOD.

apperception See KANT.

application (of a function) See COMBINATORY. LOGI. applied ethics, the domain of ethics that...

a priori prior to or independent of experience; contrasted with 'a posteriori'...