Logical ReasoningDifficulty: Medium

PT8 S1 Q11 Explanation

If the public library shared

A free, expert breakdown of this official LSAT Logical Reasoning question.

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Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

If the public library shared by the adjacent towns of Redville and Glenwood were relocated from the library’s current, overcrowded building in central Redville to a larger, available building in central Glenwood, the library would then be within walking distance of a larger number of library users. That is because there are to the library only if it is located close to their homes.

What this question is testing

Weaken

Your task

Find the choice that makes the argument's conclusion less likely to be true.

Common trap

Answers that look negative but attack a claim the argument never relied on.

Winning move

Find the assumption the argument depends on, then pick the choice that undermines it.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
11.

Which one of the following, if true, most seriously weakens

Answer choices

  1. Irrelevant Comparison16% picked this

    Many more people who currently walk to the library live in central Redville than

    Of course more people walk to the library in Redville: the library is currently IN Redville. It's very likely this would change if we moved the library to Glenwood, which is the hypothetical we're supposed to be considering and comparing to.

  2. Correct75% picked this

    The number of people living in central Glenwood who would use the library if it were located there is smaller than the number of

    Why this is right

    This answer points out that even if more people live in central Glenwood, fewer people living there would use the library if it moved to Glenwood than people currently using it in Redville. Thus, moving the library wouldn't necessarily lead to more users walking to it, as the conclusion predicts. Instead, there would be fewer total users, undermining the argument that the move will increase accessibility for walkers.

    Skill tested: Weaken · how this choice captures the argument's function is the move to repeat next time.

  3. Opposite (if anything)0% picked this

    The number of people using the public library would continue to increase steadily if the library

    This answer suggests the overall number of library users will grow, which might indirectly support the conclusion about increased accessibility. It's not weakening the argument that more people will walk due to the library’s new location.

  4. No Impact6% picked this

    Most of the people who currently either drive to the library or take public transportation to reach it would continue to do so if

    The conclusion is only about how many people would walk to the library. Whether people who drive or take public transportation continue their behavior isn't directly affecting those walking to the library, so it doesn't address the conclusion.

  5. No Impact2% picked this

    Most of the people who currently walk to the library would remain library users if the library were

    The conclusion is all about comparing the number of library walkers we'd have in Glenwood to the number we have in Redville. This answer is talking about the current Redville walkers, who apparently would start driving over to Glenwood to continue using the library if that's where we moved it, which has nothing to do with the G-walkers vs. R-walkers comparison.

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