The concept of writing should define the field of a science. ...The science of writing should therefore look for its object at the roots of scientificity. The history of writing should tum back toward the origin of historicity. A science of the possibility of science? A science of science which would no longer have the form of logic but that of grammatics? A history of the possibility of history which would no longer be an archaeoloogy, a philosophy of history or a history of philosophy?