Abstract: Couturat began with the philosophy of mathematics before studying the logic of Leibniz and helping to make Russell’s thinking known in France. He finally put his efforts into promoting an international auxiliary language. All aspects of his work are studied in this volume.
Keyword: Histoire des mathématiques, histoire de la logique, histoire de la philosophie, Kant, langue internationale, linguistique générale, Leibniz, philosophie des mathématiques, rationalisme, Russell
