Abstract

The fourth international "Chromatiques whiteheadiennes" conference was devoted to the philosophy of the natural sciences that is characteristic of Whitehead's "London Epoch". COntinuing the efforts of the Liège and Louvain-la-Neuve meetings, the conference focused on An Enquiry Concerning the Principles of Natural Knowledge which constitutes Whitehead's pioneering work in the field. ALl its main traits -starting with the Method of Extensiveion- are here questioned anew.