A

SYSTEM OF LOGIC,

RATIOCINATIVE AND INDUCTIVE,

5395-

47-2

BEING A CONNECTED VIEW OF THE

PRINCIPLES OF EVIDENCE,

AND THE

METHODS OF SCIENTIFIC INVESTIGATION.

BY

JOHN STUART MILL.

IN TWO VOLUMES.

VOL. II.

LONDON:

JOHN W. PARKER, WEST STRAND.

M.DCCC.XLIII.

Andover

27 milf

LONDON:

HARRISON AND CO., PRINTERS,

ST. MARTIN'S LANE.

CONTENTS

OF

THE SECOND VOLUME.

BOOK III.

ON INDUCTION.-(Continued.)

CHAPTER XIV. Of the Limits to the Explanation of Laws

of Nature; and of Hypotheses.

§ 1. CAN all the sequences in nature be resolvable into one law?

2. Ultimate laws cannot be less numerous than the distin-

guishable feelings of our nature

3. In what sense ultimate facts can be explained

4. The proper use of scientific hypotheses

5. Their indispensableness

6. Legitimate, how distinguished from illegitimate hypotheses

7. Some inquiries apparently hypothetical are really in-

ductive

PAGE

3

CHAPTER XV. Of Progressive Effects; and of the Continued

Action of Causes.

§ 1. How a progressive effect results from the simple continu-

ance of the cause

2. and from the progressiveness of the cause

-

3. Derivative laws generated from a single ultimate law

CHAPTER XVI. Of Empirical Laws.

§ 1. Definition of an empirical law

30

35

2. Derivative laws commonly depend upon collocations

3. The collocations of the permanent causes are not reducible

to any law

44

4. And hence empirical laws cannot be relied upon beyond the

limits of actual experience.

5. Generalizations which rest only on the Method of

Agreement can only be received as empirical laws

47