Which of the following is NOT accepted as a rational doubt?

Which of the following is a version of the cogito?

Which of the following is the Meditator NOT sure of by the end of the Second Meditation?

Which of the following is not used in an example in the Meditations?

What's the most certain kind of perception?

What kind of reality does a rock have?

What kind of reality does the idea of God have?

What kind of reality does the idea of dogs have?

Which has the most objective reality?

Which has the most formal reality?

What kind of thing is the color red?

What kind of thing is duration?

What is the primary attribute of mind?

Which of the following is NOT a substance?

Which of the following is NOT a mode?

Which of the following is NOT true?

What faculties combined are responsible for human error?

Why do we make mistakes?

Which is an essential property of God's?

Which of the following is a primary quality?

Which of the following is a secondary quality?

How does the body contact the mind?

What do all bodies have in common?

Which of the following is NOT body?

What is the purpose of the senses?