Intermediate is the soul's nature, iv. 8.7 (6-[130]).

Intermediate sense shape on which depends sensation, iv. 4.23 (28-[473]).

Internal and external evil, relation between, i. 8.5 (51-[1149]).

Internecine war is objection to Providence, iii. 2.15 (47-[1065]).

Internecine warfare necessary, iii. 2.15 (47-[1065]).

Interpenetration of everything in intelligible world, v. 8.4 (31-[557]).

Interpreter of reason is the world-soul, iv. 3.11 (27-[407]).

Interrelation of supreme and subordinate divinities dynamic (birth) or mere relation of parts and whole dynamic? v. 8.9 (31-[566]).

Intimacy of itself is the good of a thing, vi. 7.27 (38-[744]).

Intuition, omniscient, supersedes memory and reasonings, iv. 4.12 (28-[457]).