Maintenance Notice: You may encounter a brief disruption lasting 1-2 minutes at any time between 11 PM GMT on 21st July 2026 and 4:00 AM GMT on 22nd July 2026.
Le Grand was the foremost expositor and popularizer of Cartesian philosophy in England during the seventeenth century. He wrote on ethics, politics, logic and numerous scientific topics. His Cartesian system is one of the most complete, emphasizing mind–body dualism and interaction, innate ideas, mechanism and method. His theory of signification is important in the Cartesian debate on ideas.