Potential, 183; associate-, 183 Predicate, 18 Predication, 18 Present, the, 69, 72, 177; instantaneous, 72; observational, 186 Primary qualities, 27 Prime, 88 Process, 53, 54; of nature, 54 Psychic additions, 29, 187 Punct, 92, 93, 94 Pythagoreans, 197 Quality, 27 Quantum of time, 162 Quantum theory, 162 Ray of light, 188 Reality, 30; of durations, 55, 187 Recognition, 124, 143, 189 Rect, 91, 92 Recurrence, 35 Relative motion, 117; velocity, 130 Relativity, 169; restricted theory of, 193 Rest, 105, 114, 188, 192 Rotation, 138, 194 Route, 99; momental, 103; straight, 103 Russell, Bertrand, 11, 122, 123 Schelling, 47 Science, 2; metaphysical, 32 Scientific objects, 149, 158, 169 Secondary qualities, 27 Self-congruence, 196 Self-containedness of nature, 4 Sense-awareness, 3, 67 Sense-object, 149, 170 Sense-perception, 3, 14 Sense-recognition, 143, 189 Series, temporal, 66, 70, 85, 178 Set, abstractive, 61, 79 Significance, 51, 186, 187, 188, 194, 197, 198 Signified events, 52 Simplicity, 163, 173 Simultaneity, 53, 56, 196 Situation, 15, 78, 147, 148, 152, 160, 189 Solid, 99, 101, 102; vagrant, 101 Sound, 195 Space, 16, 17, 31, 33, 79; empty, 145; timeless, 86, 106, 114; uniformity of, 194 Spaces, instantaneous, 86, 90 Space-system, 179 Space-time manifold, 173 Spatial-order, 95 Spatio-temporal structure, 173 Speculative demonstration, 6 Speculative physics, 30 Standpoint for perception, 107, 188 Station, 103, 104, 113 Stationary events, 198 Straight line, 91, 114, 191; route, 103 Stratification of nature, 187, 194, 196 Stream of events, 167 Structure of events, 52, 166 Structure, spatio-temporal, 173 Subject, 18 Substance, 16, 18, 19, 150 Substratum, 16, 18, 21 Symmetry, 118, 126; kinetic, 129 System of nature, 146 System, time-, 192 Tarner, Edward, v, 1 Temporal order, 64, 95, 194 Temporal series, 66, 70, 85 Tensor, 182 Terminus, 4 The, 11 Theory, quantum, 162 There, 110, 189 This, 11 Thought, 3, 14 Timaeus, the, 17, 20, 24 Time, 16, 17, 31, 33, 49, 79; measurement of, 140; quantum of, 162; transcendence of, 39 Time-series, 178, also cf. Temporal series Time-system, see Time-series, also 91, 97, 104, 179, 192 Timeless point, 192; space, 86, 106, 114, 177 Totality, 89 Transcendence of time, 39 Transmission, 26, 28; action by, 159, 190 Tubes of force, 146 Unexhaustiveness, 50 Uniform object, 162 Uniformity of change, 140; of space, 194 Vagrant area, 103; solid, 101 Veblen and Young, 36 Velocity, critical, 193, 195; of light, 131, 195; relative, 130 Volume, 92, 101 When, 107 Where, 107 Whole, 58 Within, 63 Young, Veblen and, 36