The only debt that I consciously owe René is my assumptions. Mine aren't identical to his ─ he was into dualism, after all ─ but he pointed out that some basics can't be demonstrated to be correct unless you've already assumed they're correct, and therefore you have to acknowledge they're assumptions. Mine aren't complicated ─ everyone here shares them, including you. They're that a world exists external to the self; that our senses are capable of informing us of that world; and that reason is a valid tool.So you are a skeptic. Now please solve Cartesian skepticism as relevant for your claims.
My skepticism is the normal skepticism of reasoned enquiry.