Book digitized by Google from the library of the New York Public Library and uploaded to the Internet Archive by user tpb. 2 volumes : 21 cm From the Paris ed. of Messrs. de Condorcet & de La Crois, 1787; with the restoration of several passages from the original ed., that of Mietau and Leipsic, 1770. cf. Pref "Elogium of Euler," by Condorcet: v. 1, p. xxv-lxiii