MICHAEL MACMILLAN, B.A., Oxon,

PROFESSOR OF LOGIC AND MORAL PHILOSOPHY,
ELPHINSTONE COLLEGE, BOMBAY.

London

MACMILLAN AND CO., LIMITED

NEW YORK: THE MACMILLAN COMPANY

1899

All rights reserved

First Edition September 1887.

Reprinted 1891, 1895, 1896,1899.

GLASGOW:

PRINTED AT THE UNIVERSITY PRESS BY ROBERT MACLEHOSE AND CO.