CHAPTER III.. _propositions of Relation._

PROPOSITIONS OF RELATION.

§ 1.

Introductory.

A =Proposition of Relation=, of the kind to be here discussed, has, for its Terms, two Specieses of the same Genus, such that each of the two Names conveys the idea of some Attribute not conveyed by the other.

But the Proposition "Some dogs are setters" is not of the right kind, since, although it is true that "dogs" and "setters" are Specieses of the same Genus "animals", it is not true that the Name "dogs" conveys the idea of any Attribute not conveyed by the Name "setters". Such Propositions will be discussed in