Index for Chapter II - Of the Degrees of our Knowledge

1. Of the degrees, or differences in clearness, of our knowledge:

2. II.

3. Demonstration depends on clearly perceived proofs.

4. As certain, but not so easy and ready as intuitive knowledge.

5. The demonstrated conclusion not without doubt, precedent to the demonstration.

6. Not so clear as intuitive knowledge.

7. Each step in demonstrated knowledge must have intuitive evidence.

8. Hence the mistake, ex praecognitis, et praeconcessis.

9. Demonstration not limited to ideas of mathematical quantity.

10. Why it has been thought to be so limited.

11. Modes of qualities not demonstrable like modes of quantity.

12. Particles of light and simple ideas of colour.

13. The secondary qualities of things not discovered by demonstration.

14. Sensitive knowledge of the particular existence of finite beings without us.

15. Knowledge not always clear, where the ideas that enter into it are clear.