I think his abstraction is key to him expressing lines algebrically http://lessonpeer.com/drhillteach/Rene%20Descartes%20-%20Frameworks%20-%20Episode%20Three.mp3
I think his abstraction is key to him expressing lines algebrically http://lessonpeer.com/drhillteach/Rene%20Descartes%20-%20Frameworks%20-%20Episode%20Three.mp3