4to. Cont. full calf. 5 raised bands and richly gilt compartments. Faint scratches on covers. Corners and edges a little rubbed. 2 small holes in leather at sides of upper compartment. (26),548 pp. and 1 folded engraved plate. Engraved vignette. On good paper.
First edition of the well-known French philosopher and mathematician's main mathematical work. Fontenelle, author of "The Plurality of Worlds", claims here, that Geometry is entirely intellectual and independent of the actual decription and existence of figures, following more the conceptions of Descartes than those of Newton.