WILLIAM HEYTESBURYOn maxima and minima. Chapter 5 of Rules for solving sophismata, with an anonymous fourteenth-century discussion. Translated, with an introduction and study, by John Longeway. Dordrecht, Reidel, 1984.
(X) 201 pp. Cloth + dustjacket. (SHL, 26) *dustjacket slightly discoloured, good condition*