INUED.
BOOK III. OF INDUCTION.
CHAPTER I. PRELIMINARY OBSERVATIONS ON INDUCTION IN GENERAL.
CHAPTER II. OF INDUCTIONS IMPROPERLY SO CALLED.
CHAPTER III. OF THE GROUND OF INDUCTION.
CHAPTER IV. OF LAWS OF NATURE.
CHAPTER V. OF THE LAW OF UNIVERSAL CAUSATION.
CHAPTER VI. OF THE COMPOSITION OF CAUSES.
CHAPTER VII. OF OBSERVATION AND EXPERIMENT.
CHAPTER VIII. OF THE FOUR METHODS OF EXPERIMENTAL INQUIRY.
CHAPTER IX. MISCELLANEOUS EXAMPLES OF THE FOUR METHODS.
CHAPTER X. OF PLURALITY OF CAUSES; AND OF THE INTERMIXTURE OF EFFECTS.
CHAPTER XI. OF THE DEDUCTIVE METHOD.
CHAPTER XII. OF THE EXPLANATION OF LAWS OF NATURE.
CHAPTER XIII. MISCELLANEOUS EXAMPLES OF THE EXPLANATION OF LAWS OF
NATURE.
Footnotes

PREFACE TO THE FIRST EDITION.

This book makes no pretence of giving to the world a new theory of the
intellectual operations. Its claim to attention, if it possess any, is
grounded on the fact that it is an attempt not to supersede, but to embody
and systematize, the best ideas which have been either promulgated on its
subject by speculative writers, or conformed to by accurate thinkers in
their scientific inquiries.

To cement together the detached fragments of a subject, never yet treated
as a whole; to harmonize the true portions of discordant theories, by
supplying the links of thought necessary to connect them, and by
disentangling them from the errors with which they are always more or less
interwoven; must necessarily require a considerable amount of original
speculation. To other originality than this, the present work lays no
claim. In the existing state of the cultivation of the sciences, there
would be a very strong presumption against any one who should imagine that
he had effected a revolution in the theory of the investigation of truth,
or added any fundamentally new process to the practice of it. The
improvement which remains to be effected in the methods of philosophizing
(and the author believes that they have much need of improvement) can only
consist in performing, more systematically and accurately, operations with
which, at least in their elementary form, the human intellect in some one
or other of its employments is already familiar.

In the portion of the work which treats of Ratiocination, the author has
not deemed it necessary to enter into technical details which may be
obtained in so perfect a shape from the existing treatises on what is
te