INDEX

hyperbola, 215 hypotheses, 6, 15, 127, 133 hysteresis, 151 identity of spaces, 268 of two points, 259 illusions, optical, 202 incommensurable numbers, 44 induction, complete, 40, 452-3, 467-8 electromagnetic, 188 mathematical, 40, 220 principle of, 481 inertia, 93, 486, 489, 507 infinite, 448 infinitesimals, 50 inquisitor, 331 integration, 139 interpolation, 131 intuition, 210, 213, 215 invariant, 333 Ionians, 127 ions, 152 irrational number, 44 irreversible phenomena, 151 isotropic, 67 Japanese mice, 277, 427 Jevons, 451