Frankfurt: Officina Libraria Rengeneriana, 1736. hardcover. 2 folding plates with several diagrams each. 696pp. + index. tall 8vo, contemporary calf, gilt spine; (lacks label on spine, red wax seal on first blank leaf). Francofurti: Officina Libraria Rengeneriana, 1736. Very good (+). very good(+).
"...his (Wolff's) most important philosophical work. ... His achievement was to put the principle notions of Aristotelian scholastic ontology into a new `modern' order, greatly developed in detail with every element `mathematically' deduced and set in its established place within the system." Edwards, Ency. of Philosophy, vol. 8, p. 341.