[Actuality], as opposed to Potentiality, [128], [456], [615] seq.

Adoxa, opposed to Endoxa, [269].

Æon, of the Heaven, [636].

Æther, derivation of the name, [632].

Affirmation, conjunction of predicate with subject, [111]; constituents of, [118]; ἐκ μεταθέσεως (Theophrastus), [122], [169].

Akroamatic books, opposed to Exoteric, [50].

Alcuin, followed Aristotle on Universals, [563].

Alexander of Macedon, taught by Aristotle from boyhood, [5]; came to the throne, and went on his first Persian expedition, [6]; his action towards Athens, [8]; correspondent, protector, patron, of Aristotle at Athens, [7], [8]; later change in his character and alienation from Aristotle, [9]; his order for the recall of exiles throughout Greece, [10]; his death, [7], [12].

Alexandrine, literati, their knowledge of Aristotle, [34], [38], [40], [42].

Aliquid, Ad, see [Relation]; Hoc, or the definite individual, see [Essence].