Section I.—What Is Meant by the History of Philosophy 11

II.—CLASSIFICATION 16

III.—GENERAL VIEW OF THE PRE-SOCRATIC PHILOSOPHY 17 1. The Ionics 17 2. The Pythagoreans 18 3. The Eleatics 18 4. Heraclitus 18 5. The Atomists 19 6. Anaxagoras 19 7. The Sophists 20

IV.—THE IONIC PHILOSOPHERS 21 1. Thales 21 2. Anaximander 22 3. Anaximenes 23 4. Retrospect 23

V.—PYTHAGOREANISM 23 1. Its Relative Position 23 2. Historical and Chronological 23 3. The Pythagorean Principle 24 4. Carrying out of this Principle 25

VI.—THE ELEATICS 27 1. The Relation of the Eleatic Principle to the Pythagorean 27 2. Xenophanes 28 3. Parmenides 28 4. Zeno 30

VII.—HERACLITUS 31 1. Relation of the Heraclitic Principle to the Eleatic 31 2. Historical and Chronological 32 3. The Principle of the Becoming 32 4. The Principle of Fire 33 5. Transition to the Atomists 33

VIII.—EMPEDOCLES 35 1. General View 35 2. The Four Elements 35 3. The Two Powers 36 4. Relation of the Empedoclean to the Eleatic and Heraclitic Philosophy 36

IX.—THE ATOMISTIC PHILOSOPHY 37 1. Its Propounders 37 2. The Atoms 37 3. The Fulness and the Void 38 4. The Atomistic Necessity 38 5. Relative Position of the Atomistic Philosophy 39

X.—ANAXAGORAS 40 1. His Personal History 40 2. His Relation to his Predecessors 41 3. The Principle of the νοῦς 41 4. Anaxagoras as the close of the Pre-Socratic Realism 42

XI.—THE SOPHISTIC PHILOSOPHY 43 1. The Relation of the Sophistic Philosophy to the Anaxagorean Principle 43 2. Relation of the Sophistic Philosophy to the Universal Life of that Age 44 3. Tendencies of the Sophistic Philosophy 46 4. Significance of the Sophistic Philosophy from its relation to the Culture of the Age 47 5. Individual Sophists 48 6. Transition to Socrates, and characteristic of the following Period 51

XII.—SOCRATES 52 1. His Personal Character 52 2. Socrates and Aristophanes 55 3. The Condemnation of Socrates 57 4. The Genius of Socrates 60 5. Sources of the Philosophy of Socrates 61 6. Universal Character of the Philosophizing of Socrates 62 7. The Socratic Method 64 8. The Socratic Doctrine concerning Virtue 66

XIII.—THE PARTIAL DISCIPLES OF SOCRATES 67 1. Their Relation to the Socratic Philosophy 67 2. Antisthenes and the Cynics 68 3. Aristippus and the Cyrenians 69 4. Euclid and the Megarians 70 5. Plato as the complete Socraticist 71

XIV.—PLATO 72 I. PLATO’S LIFE 72 1. His Youth 72 2. His Years of Discipline 73 3. His Years of Travel 73 4. His Years of Instruction 74

II. THE INNER DEVELOPMENT OF THE PLATONIC PHILOSOPHY AND WRITINGS 75

III. CLASSIFICATION OF THE PLATONIC SYSTEM 82

IV. THE PLATONIC DIALECTICS 83 1. Conception of Dialectics 83 2. What is Science? 84 (1.) As opposed to Sensation 84 (2.) The Relation of Knowing to Opinion 86 (3.) The Relation of Science to Thinking 86 3. The Doctrine of Ideas in its Genesis 87 4. Positive Exposition of the Doctrine of Ideas 91 5. The Relation of Ideas to the Phenomenal World 93 6. The Idea of the Good and the Deity 95

V. THE PLATONIC PHYSICS 96 1. Nature 96 2. The Soul 98

VI. THE PLATONIC ETHICS 100 1. Good and Pleasure 100 2. Virtue 102 3. The State 102

XV.—THE OLD ACADEMY 107

XVI.—ARISTOTLE 108 I. LIFE AND WRITINGS OF ARISTOTLE 108 II. UNIVERSAL CHARACTER AND DIVISION OF THE ARISTOTELIAN PHILOSOPHY 109 III. LOGIC AND METAPHYSICS 112 1. Conception and Relation of the Two 112 2. Logic 113 3. Metaphysics 115 (1.) The Aristotelian Criticism of the Platonic Doctrine of Ideas 116 (2.) The Four Aristotelian Principles, or Causes, and the Relation of Form and Matter 120 (3.) Potentiality and Actuality 123 (4.) The Absolute Divine Spirit 124 IV. THE ARISTOTELIAN PHYSICS 127 1. Motion, Matter, Space, and Time 127 2. The Collective Universe 128 3. Nature 129 4. Man 129 V. THE ARISTOTELIAN ETHICS 131 1. Relation of Ethics to Physics 131 2. The Highest Good 132 3. Conception of Virtue 134 4. The State 135 VI. THE PERIPATETIC SCHOOL 136 VII. TRANSITION TO THE POST-ARISTOTELIAN PHILOSOPHY 137

XVII.—STOICISM 138 1. Logic 139 2. Physics 140 3. Ethics 142 (1.) Respecting the Relation of Virtue to Pleasure 142 (2.) The View of the Stoics concerning External Good 142 (3.) Farther Verification of this View 143 (4.) Impossibility of furnishing a System of Concrete Moral Duties from this Standpoint 143

XVIII.-EPICUREANISM 145

XIX.—SCEPTICISM AND THE NEW ACADEMY 148 1. The Old Scepticism 149 2. The New Academy 150 3. The Later Scepticism 151

XX.—THE ROMANS 152

XXI.—NEW PLATONISM 154 1. Ecstasy as a Subjective State 154 2. The Cosmical Principles 154 3. The Emanation Theory of the New Platonists 155

XXII.—CHRISTIANITY AND SCHOLASTICISM 157 1. The Christian Idea 157 2. Scholasticism 159 3. Nominalism and Realism 160

XXIII.—TRANSITION TO THE MODERN PHILOSOPHY 161 1. Fall of Scholasticism 161 2. The Results of Scholasticism 162 3. The Revival of Letters 163 4. The German Reformation 164 5. The Advancement of the Natural Sciences 165 6. Bacon of Verulam 166 7. The Italian Philosophers of the Transition Epoch 167 8. Jacob Boehme 169

XXIV.—DESCARTES 172 1. The Beginning of Philosophy with Doubt 173 2. Cogito ergo sum 173 3. The Nature of Mind deduced from this Principle 173 4. The Universal Rule of all Certainty follows from the same 174 5. The Existence of God 174 6. Results of this Fact in Philosophy 176 7. The Two Substances 177 8. The Anthropology of Descartes 177 9. Results of the Cartesian System 178

XXV.—GEULINCX AND MALEBRANCHE 180 1. Geulincx 180 2. Malebranche 182 3. The Defects of the Philosophy of Descartes 183

XXVI.—SPINOZA 184 1. The One Infinite Substance 185 2. The Two Attributes 186 3. The Modes 188 4. His Practical Philosophy 189

XXVII.—IDEALISM AND REALISM 192

XXVIII.—LOCKE 193

XXIX.—HUME 198

XXX.—CONDILLAC 201

XXXI.—HELVETIUS 203

XXXII.-THE FRENCH CLEARING UP AND MATERIALISM 205 1. The Common Character of the French Philosophers of this Age 205 2. Voltaire 206 3. Diderot 206 4. La Mettrie’s Materialism 207 5. Système de la Nature 208 (1.) The Materiality of Man 208 (2.) The Atheism of this System 209 (3.) Its Denial of Freedom and Immortality 210 (4.) The Practical Consequences of these Principles 210

XXXIII.—LEIBNITZ 211 1. The Doctrine of Monads 213 2. The Monads more accurately determined 214 3. The Pre-established Harmony 215 4. The Relation of the Deity to the Monads 216 5. The Relation of Soul and Body 217 6. The Theory of Knowledge 218 7. Leibnitz’s Théodicée 219

XXXIV.—BERKELEY 220

XXXV.—WOLFF 222 1. Ontology 224 2. Cosmology 225 3. Rational Psychology 225 4. Natural Theology 226

XXXVI.—THE GERMAN CLEARING UP 227

XXXVII.—TRANSITION TO KANT 229 1. Examination of the Faculty of Knowledge 230 2. Three Chief Principles of the Kantian Theory of Knowledge 232

XXXVIII.—KANT 235 I. CRITICK OF PURE REASON 238 1. The Transcendental Æsthetics 238 (1.) The Metaphysical Discussion 239 (2.) The Transcendental Discussion 239 2. The Transcendental Analytic 241 3. The Transcendental Dialectics 246 (1.) The Psychological Ideas 247 (2.) The Antinomies of Cosmology 248 (3.) The Ideal of the Pure Reason 249 (a.) The Ontological Proof 249 (b.) The Cosmological Proof 250 (c.) The Physico-Theological Proof 250 II. CRITICK OF THE PRACTICAL REASON 252 (1.) The Analytic 254 (2.) The Dialectic: What is this Highest Good? 256 (a.) Perfect Virtue or Holiness 257 (b.) Perfect Happiness 258 (c.) Kant’s Views of Religion 259 III. CRITICK OF THE FACULTY OF JUDGMENT 262 1. Critick of the Æsthetic Faculty of Judgment 263 (1.) Analytic 263 (2.) Dialectic 265 2. Critick of the Teleological Faculty of Judgment 266 (1.) Analytic of the Teleological Faculty of Judgment 267 (2.) Dialectic 267

XXXIX.—TRANSITION TO THE POST-KANTIAN PHILOSOPHY 268

XL.—JACOBI 271

XLI.—FICHTE 279 I. THE FICHTIAN PHILOSOPHY IN ITS ORIGINAL FORM 282 1. The Theoretical Philosophy of Fichte, his Wissenschaftslehre, or Theory of Science 282 2. Fichte’s Practical Philosophy 295 II. THE LATER FORM OF FICHTE’S PHILOSOPHY 301

XLII.—HERBART 303 1. The Basis and Starting Point of Philosophy 304 2. The First Act of Philosophy 304 3. Remodelling the Conceptions of Experience 305 4. Herbart’s Reals 306 5. Psychology connected with Metaphysics 310 6. The Importance of Herbart’s Philosophy 311

XLIII.—SCHELLING 312 I. FIRST PERIOD: SCHELLING’S PROCESSION FROM FICHTE 314 II. SECOND PERIOD: STANDPOINT OF THE DISTINGUISHING BETWEEN THE PHILOSOPHY OF NATURE AND OF MIND 318 1. Natural Philosophy 318 (1.) Organic Nature 319 (2.) Inorganic Nature 321 (3.) The Reciprocal Determination of the Organic and Inorganic World 321 2. Transcendental Philosophy 322 (1.) The Theoretical Philosophy 323 (2.) The Practical Philosophy 324 (3.) Philosophy of Art 324 III. THIRD PERIOD: PERIOD OF SPINOZISM, OR THE INDIFFERENCE OF THE IDEAL AND THE REAL 326 IV. FOURTH PERIOD: THE DIRECTION OF SCHELLING’S PHILOSOPHY AS MYSTICAL, AND ALLIED TO NEW PLATONISM 333 V. FIFTH PERIOD: ATTEMPT AT A THEOGONY AND COSMOGONY, AFTER THE MANNER OF JACOB BOEHME 335 (1.) The Progressive Development of Nature to Man 337 (2.) The Development of Mind in History 337 VI. SIXTH PERIOD 338

XLIV.—TRANSITION TO HEGEL 339

XLV.—HEGEL 343 I. SCIENCE OF LOGIC 346 1. The Doctrine of Being 347 (1.) Quality 347 (2.) Quantity 348 (3.) Measure 348 2. The Doctrine of Essence 349 (1.) The Essence as such 349 (2.) Essence and Phenomenon 350 (3.) Actuality 351 3. The Doctrine of the Conception 352 (1.) The Subjective Conception 352 (2.) Objectivity 353 (3.) The Idea 353 II. THE SCIENCE OF NATURE 353 1. Mechanics 354 2. Physics 355 3. Organics 355 (1.) Geological Organism 355 (2.) Vegetable Organism 355 (3.) Animal Organism 356 III. PHILOSOPHY OF MIND 356 1. The Subjective Mind 356 2. The Objective Mind 358 3. The Absolute Mind 362 (1.) Æsthetics 363 (a.) Architecture 363 (b.) Sculpture 363 (c.) Painting 364 (d.) Music 364 (e.) Poetry 364 (2.) Philosophy of Religion 364 (a.) The Natural Religion of the Oriental World 364 (b.) The Religion of Mental Individuality 364 (c.) Revealed, or the Christian Religion 365 (3.) Absolute Philosophy 365

HISTORY OF PHILOSOPHY.