Descartes is often thought to have claimed that you can have certain knowledge about some conscious mental states. Which of the following was not included in these?
A) If it seems to you that you're in pain, then you are in pain.
B) If it seems to you that you're experiencing a color (e.g., red), then you are experiencing that color.
C) If it seems to you that 1 + 1 is 2, then it is true for you that 1 + 1 is 2.
D) All of the above

Question

Quizplus · Accepted Answer

Descartes' claim about certain knowledge pertains to immediate conscious experiences, like pain or color perception, not to abstract truths like mathematical statements.

Descartes Is Often Thought to Have Claimed That You Can