Page:Russell, Whitehead - Principia Mathematica, vol. I, 1910.djvu/10

From Wikisource
Jump to navigation Jump to search
This page has been validated.

Cambridge:
Printed by John Clay, M.A.
At the University Press

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Russell,_Whitehead_-_Principia_Mathematica,_vol._I,_1910.djvu/10&oldid=13488846"