Dialogue Debate between 2 Philosophers

Dialogue Debate between 2 Philosophers
Hobbes: Simply marvelous! I had told thee that one day we would be able to make machines smarter than mankind!
Descartes: Why do you insist on being such a fool? A machine could never replace the mind of man.
H: The problem in your statement is that you view man and his mind as separate. I would like to dispute that and explicitly state that the mind is immaterial.
D: Well, there you go again. Jumping to conclusions as has been the case since time immemorial. Please explain yourself.
H: can you form an idea of the mind? The answer is no. But can you form an idea of man? The answer to this is a definite yes. While thinking of something, we have to attach a subject to it or that an act has to have a subject. So, when we are thinking of the mind, there is no particular subject to attach it to, and this thus makes it immaterial. However, when it comes to man, we can form ideas of man or the body, and this is because the body is material. My claim is not that there are no immaterial substances, but that we can only form ideas of material substances.
D: You are not quite clear. Kindly elaborate.
H: well, anything that is able to conceive a thought is not nothing. There has to be a thinking subject which has to something corporeal like the body. All the above are what form the basis of substance monism. Substance monism mainly posits that only one sort of substance exists.
D: Well, I do agree with you that for us to conceive an act, there has to be a subject. There has to be a thinking thing for us to conceive a thought. This is quite self-explanatory. However, where you lost me is when you decided to ignore all logic and conclude that a thinking thing h...