Works on Moral and Metaphysical Philosophy, by the same Author. ESSAYS ON THE FORMATION AND PUBLICATION OF ESSAYS ON THE PURSUIT OF Third Edition, 8vo. TRUTH AND ON THE 8vo. A REVIEW OF BERKELEY'S THEORY OF VISION, designed to show the Unsoundness of that celebrated Speculation. A LETTER TO A PHILOSOPHER, in reply to some recent Attempts to vindicate Berkeley's Theory of Vision. (Pamphlet.) Just Published by the same Author, DISCOURSES ON VARIOUS SUBJECTS, read before Literary and Philosophical Societies. 8vo. 8s. 6d. CONTENTS.-1. On the Mutual Relations of the Sciences; 2. On the Mammoth or Fossil Elephant discovered at the Mouth of the Lena; 3. On the Changes which have taken place in the English Language, especially during the last Three Centuries; 4. On the Science of Political Economy; 5. On the last Reformation of the Calendar in England; 6. On the General Principles of Physical Investigation; 7. On the Mechanical Causes of Thunder ; 8. On the Paradoxes of Vision; 9. On the Theory of Wit. LONDON: SPOTTISWOODES and SHAW, THE THEORY OF REASONING. BY SAMUEL BAILEY. SECOND EDITION. C LONDON: LONGMAN, BROWN, GREEN, AND LONGMANS. PREFACE ΤΟ THE SECOND EDITION. A SECOND edition of the Theory of Reasoning having, very unexpectedly on the part of the Author, been called for, he cannot allow it to appear without acknowledging the favourable manner in which the work, notwithstanding its abstruseness and its contrariety to some existing opinions, has been received. With regard to the present reprint, it is no more than due to the purchasers of the first edition to state that the alterations now introduced are almost entirely verbal ones, and not of material importance. No attempt, indeed, has been made to introduce any substantial changes. The Author had so maturely considered, during many years, every part of the train of thought and almost every expression in which it was embodied, that the text of the first edition was as |