Physician: The patient is suffering either from disease X or else from disease Y, but there is no available test for ...

shunhe on January 28, 2021

Hi @Samirah,

Thanks for the question! (A) is wrong because it introduces this concept of importance when it says “more important.” The stimulus doesn’t say anything about that, so a concept about importance can’t be a principle that the reasoning is based on.

Hope this helps! Feel free to ask any other questions that you might have.

Samirah on August 7, 2021

Thanks for your help, Shunhe! I appreciate it.