Hello, Even with explanations on this site, the ones from the Superprep Book, and other websites, this question still confuses me. Specifically why B is wrong. It seems to me that the critic would disagree with B. He says that many of those in the study that were already favorably disposed to a vege...

Good question martintp! The answer is sure, but it doesn't matter. The question is not asking for a necessary assumption of the argument. It's asking for a sufficient assumption. So while the answer choice doesn't need to be true for the conclusion to follow, if it were true, it would guarantee tha...

I'm still having trouble figuring out why A is wrong, especially after reading the official LSAC explanation. Here's how I understand the problem: The conclusion is if the surgery is not performed by a general surgeon, it must involve risks (~GS > IR). The contrapositive being if a surgery does N...

I think I figured it out / answered my own question. This one was really hard for me for some strange reason. Here is my explanation below. What do you think? The conclusion states that if a general surgeon does not perform the surgery, it will involve highly undesirable risks. The contrapositive be...