Below is Descartes’ famous skeptical argument at the end of Meditation I. Please fill in the blanks with the correct words.

P1. It’s possible that ____________________ fooling me about everything about the real world, even about mathematics and logic.

P2. If it’s possible that ___________________fooling me about everything about the real world, even about mathematics and logic, then my beliefs about the real world – even my mathematical/logical beliefs – are ___________________________.

C1. Therefore, none of my beliefs about the real world is ___________________________