Argument by Proof

It is not possible for an evil being of supreme power to convince me that I am thinking when it is false that I am thinking

from Descartes

by    @alexandershortt · 02/15/24


1
An evil being has convinced me that I am thinking, but I am not thinking

Premise

2
I am convinced that I am thinking

Premise

3
I am not thinking
4
I am convinced of something
5
If I am convinced of something, I must be thinking

Premise

6
I am thinking
7
I am not thinking and I am thinking
8
It is not possible for an evil being of supreme power to convince me that I am thinking when it is false that I am thinking