BOOK IV.. Operations Subsidiary to Induction.

OPERATIONS SUBSIDIARY TO INDUCTION.

I. Observation and Description 107

II. Abstraction, or the Formation of Conceptions 108

III. Naming as Subsidiary to Induction 111

IV. The Requisites of a Philosophical Language, and the Principles of Definition 112

V. The Natural History of the Variation in the Meaning of Terms 115

VI. Terminology and Nomenclature 117

VII. Classification, as Subsidiary to Induction 121

VIII. Classification by Series 124