Answer:He is a thing that thinks. In order to better understand what this means, Descartes tries to give a definition of "thought as in what is lower.
Step-by-step explanation:
He is a thing that thinks. In order to better understand what this means, Descartes tries to give a definition of "thought" in principle I.9. ... Having proved that he is a thinking being, Descartes then goes on to prove that we know the existence of the mind better than we know the existence of body.