77

Dilemma, Melissus' use of, 46

Diogenes, pupil of Antisthenes, 130

Dionysius, elder and younger, connection of Plato with, 135

Diotima, conversation of, with Socrates, 137

Dry light, 19

Dualism, unthinkable, 32; in nature, 38; of Plato and Aristotle, 184

Dynamic, see _Potentiality_

Earth, principle in nature, 38

Education, preparation for heaven, 148; ideal, 149; true function of,
169; three stages, 170; an entelechy, 191

Egypt, visited by Pythagoras, 22; Democritus, 74; Plato, 135

Elea, seat of Eleatic school, 30; birthplace of Parmenides, 33

Eleatics, relation of Empedocles to, 62; of Democritus, 75; of Plato,
154, 165

Elements, the four, 62; in creation, 151; in body and in soul, 156

Empedocles, 58

Ends of Life, indifference as to, 96; importance in later Greek
philosophy, 125; Plato's view of, 168; Aristotle's, 193; Epicurean, 222

Entelechy, Life, 186, 190; God, 188; Thought, _ib._; Education, 191;
Morality, 193; State, 197; physical world, 199; Soul, 203

Ephesus, birthplace of Heraclitus, 15

Epicurus, 211; praises of, by Lucretius, 212; garden of, 213; relation
to Democritus, 216

Essence _v._ Difference, 48; equals Cause, 167

Euclides, 132

Euripides, friend of Anaxagoras, 52

Euthydemus, conversation with Socrates, 116; dialogue, 137

Euthyphro, dialogue, 136

Even, _v._ Odd, 24

Evil, origin of, 33; necessary on earth, 168; God cause of evil, but
hath none, 234

Evolution, Anaximander's conception of, 12; Xenophanes' theory of, 33;
relation of, to fundamental conception of Being, _ib._; view of
Empedocles, 70

Existence, an idea prior to Time and Space, 37; not given by
Experience, 45; four forms of, 166; philosophy treats of existence as
such, 181

Exoteric kind of lectures, 175

Female, see _Male_

Fire, original of things, 17; one of two principles, 38

Flux, of all things, 16; of life, 27, 73; sophistic theory of, 87

Form _v._ Matter, 25, 48; Aristotle's theory of, 203

Formulae, never adequate, 122

Freewill, problem of, 33; relation to law, 113; and overruling
providence, 155

Friendship, treated of in _Lysis_, 136

Genus, has less of existence than species, 183

God, soul of the world, 27; the Odd-Even, 26; the universe His
self-picturing, 26; God is one, 32; not a function of matter, 33;
atomic origin of idea of, 80; the law or ideal in the universe, 112;
Man the friend of God, 142; works out His image in creation, 151; God's