IN this paper I want to examine in some detail one eighteenth-century attempt to restructure the foundations of mechanics, that of Leonhard Euler. It is now generally recognized that the idea, due to Mach, that all that happened in the eighteenth century was the elaboration of a deductive and mathematical mechanics on the basis of Newton's laws is misleading at best. Newton's Principia needed m...

1Department of Consulting and Diagnostics, Central Research Institute of Dentistry and Maxillofacial Surgery, Russia 2Department of oral & maxillofacial surgery, Russian Medical Academy of Postgraduate Education Studies, Russia 3Department of Oral Maxillofacial Head Neck Oncology, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology, ...