A System of Logic: Ratiocinative and Inductive, 7th Edition, Vol. II
CHAPTER II. _Of Abstraction, or the Formation of
Conceptions._
ยง 1. The comparison which is a preliminary to induction implies general conceptions 193
2. --but these need not be pre-existent 194
3. A general conception, originally the result of a comparison, becomes itself the type of comparison 198
4. What is meant by appropriate conceptions 200
5. --and by clear conceptions 203
6. Further illustration of the subject 205