What role did descartes play in influencing philosophy? -he stated that nature and philosophy could both be understood using mathematics. -he stated that large ideas could only be understood by putting them into larger groups. -he stated that both god and the human soul could be understood by simple mathematics. -he stated that only by accepting all observation as truth could you understand the world.

People consider René Descartes as the "Father of Modern Philosophy", being a major figure in a movement known as rationalism, a method to understand the world using reason to reach knowledge.

Descartes invented analytical geometry;  linking geometry and algebra, and creating a argument joining math with physics, by minimizing the world to mathematical representation.

Therefore, the answer is: "He stated that nature and philosophy could both be understood using mathematics"