- § 315. Current philosophical opinions illustrated by Cohen
- § 316. Who bases the calculus upon infinitesimals
- § 317. Space and motion are here irrelevant
- § 318. Cohen regards the doctrine of limits as insufficient for the calculus
- § 319. And supposes limits to be essentially quantitative
- § 320. To involve infinitesimal differences
- § 321. And to introduce a new meaning of equality
- § 322. He identifies the inextensive with the intensive
- § 323. Consecutive numbers are supposed to be required for continuous change
- § 324. Cohen's views are to be rejected

The Principles of Mathematics was written by Bertrand Russell, and published in in 1903. It is now available in the Public Domain.