Chapter Xvi. _of Empirical Laws._

§ 1. Definition of an empirical law 38

2. Derivative laws commonly depend on collocations 39

3. The collocations of the permanent causes are not reducible to any law 41

4. Hence empirical laws cannot be relied on beyond the limits of actual experience 41

5. Generalizations which rest only on the Method of Agreement can only be received as empirical laws 43

6. Signs from which an observed uniformity of sequence may be presumed to be resolvable 44

7. Two kinds of empirical laws 47