PREFACE
In the following pages, I have confined myself in the main to those problems of philosophy in regard to which it seemed to me possible to say something positive and constructive, since merely negative criticism seemed out of place. For this reason, theory of knowledge occupies a larger space than metaphysics in the present volume, and some topics much discussed by philosophers are treated very briefly, if at all.
I have derived valuable assistance from unpublished writings of Mr. G. E. Moore and Mr. J. M. Keynes: from the former, as regards the relations of sense-data to physical objects, and from the latter as regards probability and induction. I have also profited greatly by the criticisms and suggestions of Professor Gilbert Murray.
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