9. Origin of the common mistake.

10–12. Examples in illustration of this view,

13. Is Probability relative?

14. What is really meant by this expression.

15. Objections to terming Probability relative.

16, 17. In suitable examples the difficulty scarcely presents itself.

[CHAPTER XIII.]

ON MODALITY.

§ 1. Various senses of Modality;

2. Having mostly some relation to Probability.