Russell, Bertrand; Whitehead, A.N. — Principia Mathematica. Volumes I+II+III [second edition]

Cambridge, University Press, 1927 (reprint 1973), cloth, dustjacket, small 4to, 3 volumes, xlvi+674, xxxi+742, viii+491 pp., first published in 1910-1913; this is the seventh im pression of the second edition of 1925-1927; the Principia has long been recognised as one of the intellectual landmarks of the 20th century; the first book to show the close relationship between mathe