INDEX 



379 



Natural Selection, 8 ; sifts mechani 

 cally, 133-46, 149, 153-4; as 

 universal condition of life, 135-44 ; 

 does not exclude special creation, 

 141 ; not a moral guide, 143 



Naturalism, xxv, xxviii, 235, 243-5 



Nature, not indifferent, 13, and super- 

 nature, 362 ; its uniformity why 

 assumed, 300-302, 348 



Necessary matter, 37 



Necessity, and need, 36, 37 ; feeling of, 

 52; of controlling phenomena, 119, 

 300-301 



Nephelococcygia, 352 



Nirvana, 219, 341 



Nordau, M., 139 



Normative sciences, rest on fact of 

 valuation, 55 



Novelty, 228, 280, 301 



Objectivity of perceptions useful and 



Ideological, 31 ; of truth, 55, 57, 



60, 258 ; of world, 371 

 Omnipotence, of natural selection, 134, 



136 ; its limitation, 181 ; cannot 



overcome Mephisto, 182 

 Omniscience, 118, 121, 126 

 Ontological question, conditioned by 



epistemological, 9 

 Opinion, 259-60 

 Optimism, 161, 164, 312 

 Ostwald, W., xvii, 223 

 Other-\vorldliness, 315, 341 



Parmenides, 218 

 Pearson, N. , 320 

 Peirce, C. S., 27 

 Perfection, must be universal, 181 ; its 



metaphysical character, 226-7 ; moral, 



requires future life, 338 

 Persecution, 269, 281-2 

 Personal Idealism, xxv 

 Personal Idealism, xi, xii, xxi, 52 ., 



353 



Pessimism, why not judged true, 50 ; 

 of divorcing truth from goodness, 62, 

 and scepticism, 74, 163-4, 347 ; its 

 difficulty, 79-80, 157-65 ; its defini 

 tion and philosophic importance, 

 172-3 ; Mephisto s, 168-70 ; Faust s, 

 170-72, and distaste for life, 180 ; as 

 denial of the validity of ideal postu 

 lates, 312, 347 



Philosophers, eccentricity of, 350-3; 

 use of, 353-5, 374 



Piper, Mrs., 334, 357, 360, 363 



Pius X. , 280, 282 



Plato, ix, xxi, 12, 19-43 passim, 85, 97, 

 203. 207-10, 217, 230, 233, 235, 248, 

 250, 259, 285, 320, 351, 353 



Plato or Protagoras f ix 



Pluralism, relation to Humanism, xxiv, 

 xxv ; to solipsism, 251 ; in logic, 49 ; 

 admits unity of universe, how, 66 



Plutarch, 267 



Poincare, H. , 86, 90, 260 n. 



Postulates, in logic, xv-xvi, 15, 33, 50 ; 

 as a priori, 231 ; Darwin s, 132 ; of 

 law, 300-302, 310 ; of universal salva 

 tion, 181 ; harmony, a, 188-9; of 

 higher realities, 195 ; of religion, 197; 

 once dreams, 226 ; immortality an 

 ethical, 334-50 ; emotional and ration 

 al, 342 ; origin of, 264-5 &amp;lt; solidarity 

 of ultimate, 350 ; methodological, 

 355 ; of continuity of other world 

 with this, 358 ; of survival of person 

 ality, 361-4 



Potentiality, 67, 208, 224-6 



Power, Hume s criticism of, 235 f. 



Practical value, a determinant of truth, 

 4 ; reason has, 7 ; a test of superior 

 reality, 23 ; of criteria of reality, 117 



Pragmatism, logic of, ix, xi, 294, central 

 thought of, xiii; effect on logic, ix, xiii- 

 xvii ; in science, xvii ; in ethics, xviii, 

 and religion, xviii-xix, and Human 

 ism, xxv ; as logical method, xxv ; to 

 be reached how, 5-8 ; definitions of, 

 8 ; a travesty of, n ; a tonic, 13, 

 and perfection, 15, and indetermina- 

 tion, 15, and moral responsibility, 15; 

 and the Pope, 269/1 ; as a theory of 

 the relation of knowledge and action, 

 2 7~43 &amp;gt; as a principle of selection, 

 58 ; anticipated, 105 ; and methodo 

 logical assumptions, 147; and logical 

 valuation, 163 ; asserts value of 

 philosophy, 354 ; denies value of 

 dreams, 367 



Prince, M., 266 



Pringle-Pattison, A. S., 77, 112 



Progression, problem of, 140, 142, 144, 



153. 154 



Protagoras, ix, x, xxi, 31 

 Psychic continuity, 362-3 ; dissociation, 



3 6 3 



Psychical Research, 355-8, 360; Society 

 for, 41, 313, 317-8, 322, 328, 334, 351, 

 356-7, 364 ; prejudice against, 201 



Psychology, relation to logic, x, xvii, 50 ; 

 to philosophy, 231 ; Ideological, its 

 influence on logic, 8 ; of Hume, 

 247 ; of truth, 51-61 ; physiological, 

 314 ; of spiritism, 323 



Punishment, 289-90 



Pure Reason, xvi, xvii, 235, 279 ; a 

 figment, 6 ; impossible, 7 ; logica 

 fiction, 10 



Pythagoras, 85 



