MACMILLAN AND CO., LIMITED - Studies and Exercises in Formal Logic - 2 - John Neville Keynes

---PREFACE TO THE FOURTH EDITION.

MACMILLAN AND CO., LIMITED

NEW YORK: THE MACMILLAN COMPANY

1906

[The Right of Translation and Reproduction is reserved]

First Edition (Crown 8vo.) printed 1884.

Second Edition (Crown 8vo.) 1887.

Third Edition (Demy 8vo.) 1894.

Fourth Edition (Demy 8vo.) 1906.