CHAPTER XIX.
LAWS CLASSIFIED; EXPLANATION; CO-EXISTENCE; ANALOGY Sec.1.

Axioms; Primary Laws; Secondary Laws, Derivative or Empirical; Facts 288 Sec.2.

Secondary Laws either Invariable or Approximate Generalisations 292 Sec.3.

Secondary Laws trustworthy only in 'Adjacent Cases' 293 Sec.4.

Secondary Laws of Succession or of Co-existence 295 Natural Kinds (p.