Most successful entrepreneurs work at least 18 hours a day, and no one who works at least 18 hours a day has time for...

Mazen October 29 at 02:14AM

Aren't "MOST" statements reversible to "SOME"?

Hi, We learned from the videos that X-MOST-Y can be reversed to Y-SOME-X. Accordingly, the first sentence is diagrammed with MOST as such: Successful Entrepreneurs-MOST-W>=18H/D. However, it could also be diagrammed as W>=18H/D-SOME-Successful Entrepreneurs. And since "SOME" statements are reversible, it would follow the following diagram: Successful Entrepreneurs-SOME-W>=18H/D. Combining the latter "SOME" inference with the sentences 2 and 3, we get the following: Successful Entrepreneurs-SOME-W.=18H/D----->NO Time for Leisure Activities----->NOT Happy Entrepreneurs, which can be simplifies as such: Successful Entrepreneur-SOME-NOT Happy Entrepreneurs Again, since "SOME" statements are reversible, the latter inference can be diagrammed as following: NOT Happy Entrepreneurs-SOME-Successful Entrepreneur Well this inference (i.e., "NOT Happy Entrepreneurs-SOME-Successful Entrepreneur") is as contradictory to answer choice C and is answer-choice D. Therefore, D is not superior to C. Please, someone needs to reach out to LSAC writers. EVERY POINT COUNTS!

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Nate-Stein November 1 at 02:42PM

@Mazen, thank you for your comment.

You are doing a good job trying to see if the LSAC test writers have made any mistakes. Here, however, you may have misread answer choice (D).

Answer choice (D) says Some entrepreneurs who work at least 18 hours a day are happy, this is actually three parts, "Some entrepreneurs" "Who work at least 18 hours a day" "Are happy"

We are told in the question "no one who works at least 18 hours a day has time for leisure activities" and we are told "all happy entrepreneurs have time for leisure activities." Chaining these two together we see that "If you work at least 18 hours a day you are not happy" so (D) cannot be true that there are some entrepreneurs working 18+ hours a day and are happy.

Hope that helps and happy studying,
Nate, LSATMax Instructor