how not to be conceived, ii. 94;
misuse of, ii. 94, 215, 216, 393.
Abstract, idea, knowledge, dependent on idea of perception, i. 45, 52, 53, ii. 258;
insufficiency of, i. 72, ii. 248-251;
opposite of idea of perception, i. 7;
philosophy must not start from, ii. 261 seq.;
relation to intuitive knowledge, ii. 54, 55, 91;
use of, ii. 235, 238.
Absurd, sphere of, ii. 242;