LSAT

Category - Logical Reasoning

All lawyers are graduates of law school. Ramon is a practicing attorney so he must have not only attended law school, but also graduated from law school.

Which of the following passages displays a pattern of reasoning similar to that of the passage above?
  1. Irina finished law school at the top of her class, so Irina must be an excellent attorney.
  2. All real estate agents must be licensed. Kathryn wants to become a real estate agent, so she must obtain her license first.
  3. No one can become a beautician without attending a certified training course. Eduardo is attending a beauty school, so it must be a certified school.
  4. We know that Gia must have finished her business degree, because she received a bonus this year and bonuses only go to people with business degrees.
  5. Ernest graduated from medical school, and all doctors must graduate from medical school, so Ernest must be a doctor.
Explanation
Answer: D - The pattern of reasoning similar to that of the original passage is answer D. In the original, it is established that if something is a necessary condition for a second event to occur, if that second event occurs then we know that the necessary condition was met.
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