Astrology confuted, leaves influence of world-soul, iv. 4.32 (28-[490]).

Astrology replaced by natural production of souls, iv. 4.38 (28-[501]).

Astrology replaced by radiation of good and characteristic figures, iv. 4.35 (28-[498]).

Astrology reveals teleology, ii 3.7 (52-[1172]).

Astrology, signs only concatenations from universal reason, iv. 4.3 (28-[502]).

Astrology, truth of, judgement of one part by another, ii. 3.7 (52-[1173]).

Athens, vi. 1.14 (42-[863]).

Atomism, does not demand a medium for vision, iv. 5.2 (29-[516]).

Atoms, iii. 1.2 (3-[88]).

Atoms do not explain matter, ii. 4.7 (12-[204]).