Chapter 16

THE CANONS OF DIRECT INDUCTION

Sec.1. The Canon of Agreement 206 Negative Instances (p. 208); Plurality of Causes (p. 208) Agreement may show connection without direct Causation (p. 209) Sec.2. The Canon of Agreement in Presence and in Absence 212 It tends to disprove a Plurality of Causes (p. 213) Sec.3. The Canon of Difference 216 May be applied to observations (p. 221) Sec.4. The Canon of Variations 222 How related to Agreement and Difference (p. 222); The Graphic Method (p. 227); Critical points (p. 230); Progressive effects (p. 231); Gradations (p. 231) Sec.5. The Canon of Residues 232