67

G67

wavers between three (not to say four,) incompatible
theories of the validity of induction. The first, (stated in Bk. III,
Chap. iii, §1,) is the whole force of Induction is the same as that of a
syllogism of which the major premise is the same for all inductions,
being a certain "Axiom of the uniformity of the course of nature,"
(so described in the table of 'Contents.') This was substantially
Whateley's theory of 1826. The second theory (which seems
to be usually uppermost in Mill's mind; especially in Bk. II, chap.
iii, §7 and in Bk. III, chap. iv, §2,) is that induction is quite in-