La Logique, ou Les Premiers Developpemens de l'Art de Penser; Ouvrage elementaire, que le Conseil prepose aux Ecoles Palatines avoit demande, & qu'il a honore de son approbation. [Logic, or the First Developments of the Art of Thinking]

vi, 228 pp. 12mo. French text. Paper over boards, morocco spine label with gilt titles and decorations. This and the work immediately following it (La Langue des Calculs) exercised considerable influence on the philosophers and scientists of the next generation, introducing algebra as a form of philosophical and scientific language, and shaping the way scientific explanation evolved within numerous disciplines.