 Cordemoy earned a living as a lawyer, but was very active in Parisian philosophical circles. He attended various philosophy salons, and was acquainted with the Minim Emmanuel Maignan and the physicist Jacques Rohault, both organizers of philosophical conferences. In 1664, Cordemoy’s essay Discours de l’áction des corps (A Discourse on the action of bodies) was included, along with a discourse by Rohault, in the posthumous publication of Descartes’ Le Monde (The World) by Claude Clerselier. That essay would later become the second of the six discourses which make up one of Cordemoy’s two most important works, Le Discernement du corps et de l’âme en six discours pour servir à l’éclaircissement de la physique (The Distinction of the body and the soul in six discourses, in order to be useful for the clarification of physics) (1666). In this work, Cordemoy presents his atomism, his arguments for occasionalism, and his accounts of the distinction of and the interaction between the mind and the body.