464 



INDEX 



Helmholtz, H., 177 and n. 



Henle, P., 146, 213. 



Herrick, C. J., 437. 



Hilbert, D., 253. 



Hobbes, 409. 



Hobson, E. W., 38, 74, 148, 150, 158- 

 60, 162, 163, 164, 165, 167, 171, 

 252, 278, 311, 384. 



Holt, E. B., 102. 



Human freedom, problem of, 392-3, 

 Chap. XIX; ambiguity of, 418-9; 

 Compton on, 428-32; deterministic 

 solution of, 423-4; Eddington on, 

 425-8; general character of, 422-5; 

 Planck on, 432-7; relation of to 

 science, 419-22; requirements for 

 positive solution to, 424-5 ; urgency 

 of, 418. 



Humboldt, F. H. A., 412. 



Hume, 351, 354, 355, 370, 384. 



Huntington, E. V., 258 and n., 259, 

 278. 



Huxley, J., 389. 



Hypothesis, 70; discovery of, 173-5; 

 four stages of, 214-8; modification 

 of, 227-8; prediction from, 221-2; 

 relation of to data, 181-2; and 

 verification, 214.; see Theory; Ver- 

 ification. 



Hypothesis-formation, techniques of, 

 187-9, 192-4; see Verification. 



Hypothetical method, 183-4, 185-6; 

 see Hypothesis-formation, tech- 

 niques of. 



Icons, 72. 



Idealization, 83, 357, 439, 455-9. 



Images, 72. 



Imagination, 175-6, 192-4. 



Indeterminism, 376-83; argument of, 

 379-80; and Heisenberg principle, 

 378; see Heisenberg; Human free- 

 dom, problem of; Determinism. 



Index symbol, 76. 



Induction; problem of, 358-66; and 

 nomic necessity, 364-5; and prob- 

 ability, 359-63; and statistical law, 

 362-3; see Correlation. 



Infirmation, 222; consequences of, 

 227-30; and probability, 361; and 

 verification, 223-30. 



Innate ideas, 236. 



Instant of time, 299-300. 



Integration, of descriptive science, 

 139-44; of explanatory science, 

 208-12. 



Intension; of classes, 122; of symbols, 

 66-7; and descriptive science, 139- 

 45; and explanatory science, 208- 

 13; and extension, in descriptive 

 science, 142-3; and extension, in 

 explanatory science, 210-1. 



Interpolation, 83, 192, 357. 



Interpretation of facts, 57-9. 



Intuition, 18-20, 453-5. 



Irreflexiveness, 258. 



Irreversible processes, 287-9. 



Isolation, 45, 69-70, 83, 110-2, 118. 



James, W., 178. 



Jeans, J. H., 28, 373 n., 388, 394, 447, 



448-51, 455, 460. 

 Jevons, W. S., 57 n., 112 n., 127, 129, 



136 and n., 138 n., 146, 230, 261. 

 Johnson, W. E., 271 n. 



Kelvin, Lord, 73 and n. 



Keplar, J., 180. 



Keynes, J. M., 359, 360, 361, 362, 

 363, 384. 



Keyser, C. J., 146, 213, 394, 455-9, 

 460. 



KirchhofT, G., 8, 152. 



Knower, the, 47, 48 n., 82; see Scien- 

 tist. 



Knowing, the, 47, 56-60; see Descrip- 

 tive techniques; Perception; Scien- 

 tific discovery; Verification. 



Knowledge, the, 47, 50-5, 61, 82; by 

 acquaintance and by description, 

 51-5; see Awareness; Descriptive 

 science; Explanatory science; Sym- 

 bolic schemes. 



Known, the, 67, 48-50; see Data; 

 Given. 



Koenigsberger, L., 177 n. 



