Produced by Odessa Paige Turner, Martin Pettit and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) THE POSITIVE OUTCOME OF PHILOSOPHY The Nature of Human Brain Work Letters on Logic. The Positive Outcome of Philosophy BY JOSEPH DIETZGEN _TRANSLATED BY ERNEST UNTERMANN_ WITH AN INTRODUCTION BY DR. ANTON PANNEKOEK TRANSLATED BY ERNEST UNTERMANN EDITED BY EUGENE DIETZGEN AND JOSEPH DIETZGEN, JR. CHICAGO CHARLES H. KERR & COMPANY 1906 COPYRIGHT 1906 BY EUGENE DIETZGEN CONTENTS PAGE 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