Conceiving principle is the world-soul, iii. 9.1 (13-[221]).

Concentricity of all existing things, v. 3.7 (49-[1101]); v. 5.9 (32-[587]).

Conception, true, is act of intuition, i. 1.9 (53-[1202]).

Conformity to the universal soul, implied they do not form part of her, iv. 3.2 (27-[389]).

Connection between sense and intelligible worlds is triple nature of man, vi. 7.7 (38-[711]).

Connection with infinite is Chrysippus's fate, iii. 1.2 (3-[89]).

Consciousness, iii. 9.9 (13-[226]).

Consciousness, constituted by timeless memory, iv. 3.25 (27-[429]).

Consciousness depends on choosing, iv. 4.37 (28-[500]).

Consciousness, etymologically, is sensation of manifoldness, v. 3.13 (49-[1113]).