CHAPTER VII.

INDUCTION.

1. Induction 121

2. Induction an Inverse Operation 122

3. Inductive Problems for Solution by the Reader 126

4. Induction of Simple Identities 127

5. Induction of Partial Identities 130

6. Solution of the Inverse or Inductive Problem, involving Two Classes 134

7. The Inverse Logical Problem, involving Three Classes 137

8. Professor Clifford on the Types of Compound Statement involving Four Classes 143

9. Distinction between Perfect and Imperfect Induction 146

10. Transition from Perfect to Imperfect Induction 149

BOOK II.

NUMBER, VARIETY, AND PROBABILITY.