Principia Mathematica. Second Edition.
Whitehead, Alfred North, and Bertrand Russell.

Cambridge: At the University Press, 1950. Reprint of the 1927 second edition. Light shelfwear, bump at top of front cover in Volume II, spine of Volume III faded. A very good set. With the bookplates of philosopher of science, Wesley C. Salmon, in each volume. Dark blue cloth with gilt spine. Three volumes, octavo. (Item ID: 13350)


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