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INTRODUCTION BY ANTON PANNEKOEK 7
THE NATURE OF HUMAN BRAIN WORK
Preface 41
I. Introduction 47
II. Pure Reason or the Faculty of Thought in General 61
III. The Nature of Things 80
IV. The Practice of Reason in Physical Science 104
_a_ Cause and Effect 108
_b_ Matter and Mind 119
_c_ Force and Matter 124
V. "Practical Reason" or Morality 133
_a_ The Wise and Reasonable 133
_b_ Morality and Right 143
_c_ The Holy 156
LETTERS ON LOGIC
First Letter 177
Second Letter 181
Third Letter 186
Fourth Letter 191
Fifth Letter 198
Sixth Letter 205
Seventh Letter 212
Eighth Letter 217
Ninth Letter 225
Tenth Letter 230
Eleventh Letter 236
Twelfth Letter 242
Thirteenth Letter 248
Fourteenth Letter 255
Fifteenth Letter 260
Sixteenth Letter 265
Seventeenth Letter 271
Eighteenth Letter 277
Nineteenth Letter 283
Twentieth Letter 289
Twenty-first Letter 296
Twenty-second Letter 301
Twenty-third Letter (a) 307
Twenty-third Letter (b) 312
Twenty-fourth Letter 318
THE POSITIVE OUTCOME OF PHILOSOPHY
Preface 327
I. Positive Knowledge as a Special Object 333
II. The Power of Perception Is Kin to the Universe 337
III. As to How the Intellect Is Limited and Unlimited 342
IV. The Universality of Nature 348
V. The Understanding as a Part of the Human Soul 354
VI. Consciousness Is Endowed With the Faculty of Knowing
as Well as With the Feeling of the Universality
of All Nature 363
VII. The Relationship or Identity of Spirit and Nature 369
VIII. Understanding Is Material 376
IX. The Four Principles of Logic 381
X. The Function of Understanding on the Religious Field 393
XI. The Distinction Between Cause and Effect Is only
One of the Means to Facilitate Understanding 401
XII. Mind and Matter: Which Is Primary, Which Is
Secondary? 409
XIII. The Extent to Which the Doubts of the Possibility
of Clear and Accurate Understanding Have Been
Overcome 418
XIV. Continuation of the Discussion on the Difference
Between Doubtful and Evident Understanding 428
XV. Conclusion 436