http://7sage.com/lsat_explanations/lsat-18-section-2-question-04/
I got this question right, but not perfectly clear why (D) is correct.
Could you elaborate the answer choice (D) - why is it a clear-cut answer?
The logical negation of "At least some rhinoceroses whose horns are periodically trimmed off will be able to attract mates," is "none of the rhinoceroses whose horns are periodically trimmed off will be able to attract mates." correct?