Principia Ethica

CAMBRIDGE UNIVERSITY PRESS C. F. CLAY, Manager LONDON: FETTER LANE, E.C. 4

NEW YORK: THE MACMILLAN CO.

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PRINCIPIA ETHICA

BY

GEORGE EDWARD MOORE

LITT.D. CAMBRIDGE, HON. LL.D. ST ANDREWS, FELLOW OF THE BRITISH ACADEMY, LECTURER IN MORAL SCIENCE IN THE UNIVERSITY OF CAMBRIDGE

“Everything is what it is, and not another thing”

Bishop Butler

CAMBRIDGE AT THE UNIVERSITY PRESS 1922

First Edition 1903

Reprinted 1922

DOCTORIBUS AMICISQUE CANTABRIGIENSIBUS

DISCIPULUS AMICUS CANTABRIGIENSIS

PRIMITIAS

D. D. D.

AUCTOR