Chapter VII. Examination of some Opinions opposed to the preceding doctrines.

§ 1. Doctrine of the Universal Postulate 294 2. The test of inconceivability does not represent the aggregate of past experience 296 3. —nor is implied in every process of thought 299 4. Sir W. Hamilton's opinion on the Principles of Contradiction and Excluded Middle 306

BOOK III. OF INDUCTION.

§ 1. Importance of an Inductive Logic 313 2. The logic of science is also that of business and life 314