Library

Principia mathematica, vol. 1 (of 3)

FOOTNOTES:

Project Gutenberg EPUB3 edition Whitehead, Alfred North and Russell, Bertrand

Source notes

Open passage
[56] We quote from Couturat, La Logique de Leibniz, Chapter III, § 15 (p. 75 n.).
Open passage
[57]Principles of Science, chap. I. (p. 18 of edition of 1887).

Source attribution

Principia mathematica, vol. 1 (of 3), Project Gutenberg eBook #78050

*37. PLURAL DESCRIPTIVE FUNCTIONS. *38. RELATIONS AND CLASSES DERIVED FROM A DOUBLE DESCRIPTIVE FUNCTION.