sensitive to noise, ii. 198;

ontological proof, ii. 129, 130;

object of perception, ii. 33-43;

permanence of substance, ii. 78-81;

phenomenon and thing in itself, i. 9, 41, 155, 220, 6-12, 28, 181, 379, 389, 399, 486;

physico-theological proof, ii. 130;

relation to Plato, i. 223 seq.;

psychology, refutation of rational, ii. 100-104;

reason, conception of, i. 49;

ideas of, i. 169, ii. 96-100;