506 



Index. 



Dante, 285 



Deflection, causes of, 57 

 from aim, 38 

 De Morgan, 83, 106, 119, 122, 135, 



177, 179, 197, 236, 247, 296, 308, 



350, 379, 382; 483 

 De Eos trial, 255 

 Digits, random, 111, 114 

 Discontinuity, 116 

 Distribution, random, 106 

 Diagrams, 29, 45, 118, 443, 476, 481, 



493, 501 



Dialectic, 302, 320 

 Donkin, 123, 188, 283 

 Duration of life, 15, 441 

 Dtising, 259 



Ebbinghaus, 199 



Edgeworth, F. Y., 34, 119, 256, 339, 



393, 435, 483 

 Ellis, L., 9 

 Epidemics, 62 

 Error, law of, 29 



asymmetrical, 34, 441, 



443 

 binomial, 37, 457, 469, 



480 



geometrical, 34, 502 

 heterogeneous, 45 

 production of, 36 

 Error, mean, 446 



probable, 446, 472, 488 

 of mean square, 447, 488 

 Escapes, narrow, 341 

 Expectation, moral, 388 

 Experience and probability, 74 

 Exponential curve, 29 

 Extraordinary, sense of, 159, 423 

 stories, 407, 421 



Fallacies in Logic and Probability, 367 

 Fatalism, 243 



Fechner, 34, 389, 435, 441 

 Fluctuation, 448 



unlimited, 73 

 Forbes, J. D., 188, 262 

 Formal Logic, 123 

 Formal and Material treatment, 86 

 Free will, 240 



Galloway, 248, 448, 484 



Galton, F., 33, 50, 70, 318, 442, 451, 



473, 502 



Gambling and Insurance, 370 

 disadvantage of, 384 

 final results of, 385, 391 

 Godfray, H., 99 

 Grote, G., 307 

 Guy, 6 



Hamilton, W., 266, 297 

 Happiness, human, 382 

 Heads and Tails, 77 

 Heredity, 50, 357 

 Herschel, 30, 466 

 Houdin, 361 

 Hume, 236, 419, 433 

 Hypotheses, 268 



Immediate inferences, 121 

 Independent events, 175, 246 

 Induction and Probability, 194, 201, 

 208, 233, 358 



difficulty of, 213 

 pure, 200 



Inequality of wealth, 382 

 Inference, rules of, 167 

 Inoculation, 374 

 Insurance, justification of, 149 

 difficulties of, 221 

 life, 151 



peculiar case, 224 



theory of, 372 



varieties of, 374 



