Prototractatus ; An Early Version of Tractatus Logico-Philosophicus by Ludwig Wittgenstein. Ludwig WITTGENSTEIN, MCGUINESS. B. F., WRIGHT G. H. Von, T. NYBERG.

Prototractatus ; An Early Version of Tractatus Logico-Philosophicus by Ludwig Wittgenstein

New York: Cornell University Press, 1971. First Edition. Hardcover : pp. [6], 256, [2] : Translation by D. F. Pears and B. F. McGuinness : Historical introduction by G. H. von Wright and a facsimile of the author's manuscript : Black cloth : Gilt lettering to spine : Faded blue dust jacket with black lettering and border : Black lettering to spine : Red silk bookmark : Blind embossed previous owner name at foot of title page : Loose pieces of paper with reference to author inserted : Red stamp to endpapers : Written in pen by previous owner on free-endpaper ''sound is not language'' : Top edge dyed.

Top edge dye faded : Fore-edge and bottom edge age toned : Loose and separating at hinge : Dust jacket has general edgewear with a few closed tears :. Good / fair. Item #1885

G. H. von Wright was one of the creators of modal logic, and is the inventor of a new branch of logic, called ''deontic logic'' which applies modal logic to concepts of ethics.

Price: $150.00