CHAPTER V.

DISJUNCTIVE PROPOSITIONS.

1. Disjunctive Propositions 66

2. Expression of the Alternative Relation 67

3. Nature of the Alternative Relation 68

4. Laws of the Disjunctive Relation 71

5. Symbolic Expression of the Law of Duality 73

6. Various Forms of the Disjunctive Proposition 74

7. Inference by Disjunctive Propositions 76