[Aquinasfan]

The reasoning Descartes used could lead to the impossibility of doubt? How did you do it?

I don't understand your question.

[cornelis]

I doubt the existence of my own sensations, but isn't such a statement incoherrent, contradictory and absurd

My question asks a further explanation of how you come to say such a statement is incoherrent, contradictory and absurd.

If it is, the whole method is wrong from the get go, no?