Hydraulics, science, of iii. [38];
as a fine art, i. 281, 282.
Hypothesis, correct, ii. 309;
effect of, on mind, ii. 432.
I. See [Ego].
Idea (Vorstellung), what it is, ii. 400;
common form of all classes of, i. 3;
form of combination of all classes of, i. 5;
chief distinction among, i. 7;