INDEX
Aberration, 59
Absorption of energy, 54
Acceleration, 76, 78, 83
Action at a distance, 57
Addition of velocities, 19, 46
Adjacent points, 105
Aether, 62
——— -drift, 62, 63
Arbitrary substitutions, 116
Astronomy, 8, 121
Astronomical day, 12
Axioms, 2, 149
——— truth of, 2
Bachem, 158
Basis of theory, 52
“Being,” 78, 128
-rays, 59
Biology, 149
Cartesian system of co-ordinates, 7, 100, 147
Cathode rays, 59
Celestial mechanics, 125
Centrifugal force, 94, 156
Chest, 78
Classical mechanics, 9, 13, 16, 20, 36, 52, 84, 121, 123, 150
——— truth of, 15
Clocks, 11, 28, 95, 96, 112, 114, 117–120, 121, 135, 155
——— rate of, 156
Conception of mass, 54
——— position, 6
Conservation of energy, 54, 121
——— impulse, 121
——— mass, 54, 56
Continuity, 113
Continuum, 65, 98
Continuum, two-dimensional, 112
——— three-dimensional, 67
——— four-dimensional, 106, 108, 109, 112, 147
——— space-time, 93, 108-114
——— Euclidean, 99, 101, 104, 110
——— non-Euclidean, 102, 107
Co-ordinate differences, 109
——— differentials, 109
——— planes, 38
Cottingham, 154
Counter-point, 133
Co-variant, 51
Crommelin, 154
Curvature of light-rays, 124, 152
——— space, 153
Curvilinear motion, 88
Cyanogen bands, 158
Darwinian theory, 149
Davidson, 154
Deductive thought, 148
Derivation of laws, 52
165
