Aristotle, on Thales, 4; on Xenophanes, 32; on Zeno, 42; on Melissus, 47; on Anaxagoras, 54; on Empedocles, 59, 63, 70; a complete Socratic, 103; on Socrates, 106; on Sophists, 115; debt to Plato, 159; on Plato, 163; chapters on, 172 _sqq._; his fresh contributions to Academic philosophy, 173; two classes of lectures, 175; library, _ib._; predominance of, 176; style, 177; differences from Plato, 178 Art, a greater revealer than science, 66; relation of Love to, 137; a mode of creation, 139 Asceticism, of Cynics, 128; of Plato, 168; of Epicurus, 225 Atarneus, residence of Aristotle, 174 Athens, visited by Parmenides and Zeno, 34, 42, 157; residence of Anaxagoras, 52; centre of sophistry, 85; birthplace of Socrates, 103; visited by Aristippus, 124; birthplace of Antisthenes, 129; and of Plato, 134; dialogue in praise of, 137; residence of Aristotle, 173; of Epicurus, 211 Atlantis, kingdom of, 153 Atomists, 52; revived theory of, 215 Atoms, constituents of nature, 76, 216; deviation of, 216 Beauty, one aspect of ideal, 110; relation to creative instinct, 139; science of universal beauty, 141 Becoming, the fundamental principle, 16; passage from Being to, 36, 39 Beginning (_arche_), of Thales, 3; Aristotle's definition, 4; difficulties of material theories of, 36l Being, eternal being like a sphere, 32; passage from, to Becoming, 36, 39; a co-equal element with Nonentity, 75; analysis of, 159; and the Other, 165 Body, realisation of soul, 27; a prison, 28; unthinkable except with reference to space, 75; source of illusion, 164 Canonics, form of logic, 215 Cause, three causes, 110; equals essence, 167; first causes subject of philosophy, 179; relation of, to potentiality, 185 Cave, of this life, 148, 166 Chaldaea, visited by Pythagoras, 22; by Democritus, 74 Change, how account for, 10, 35, 39, 75 Chaos, of the Atomists, 53; of Empedocles, 69; king in philosophy, 83; life not a chaos, 105 Charmides, dialogue, 136 Christ, brings sword, 99; kingdom of, 149 Chrysippus, successor of Cleanthes, 229 Cicero, mistranslates Pythagoras, 28; criticises Epicurus, 212, 221; exponent of New Academy, 242 Citium, birthplace of Zeno, 228 Clazomenae, birthplace of Anaxagoras, 52 Cleanthes, successor of Zeno, 229; hymn of, 236 Codrus, Plato descended from, 134; sacrifice of, 139 Colophon, birthplace of Xenophanes, 31 Commonplaces, function of, in sophistry, 84 Community of wives, 148; ideal community, 149 (and see _State_) Contradiction, philosophy of, 65 Cosmogony, of Democritus, 77; of Plato, 150; of Aristotle, 200; of Epicurus, 219; of the Stoics, 231 Cosmopolitanism, of Cyrenaics and Cynics, 128; of later systems, 242 Courage, treated of in _Laches_, 136 Cratylus, dialogue, 137 Creation, a great expiation, 73; in the soul, 139; working out of God's image, 151; union of Essence and Matter, 167 Criterion, feeling the only, 127 Critias, dialogue, 153 Crito, dialogue, 136 Crux, in philosophy, 190