Supplementary Documents for Russell’s Logic, 1905–08
A philosopher may develop ideas on his or her own or follow them in the works of others. Different kinds of documentary threads will develop. Historians of a subject may follow either kind. In the period of Toward “Principia Mathematica”, 1905–08, Russell engaged with developments in the writings of Poincaré, Haldane, Schiller and Berry, among others. What follows are remarks on supplementary documents (one being online) for a fuller study of logical and philosophical threads in the period.