Logical ReasoningDifficulty: Easy

PT142 S1 Q10 Explanation

Principle: People should buy

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

TopicsPrinciple-Strengthen

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Stimulus

Principle: People should buy an expensive antique only if they can be confident of its authenticity and they find the piece desirable for its intrinsic qualities value as an investment.

Application: Matilde should not buy the expensive antique vase offered for the Internet.

What this question is testing

Principle-Strengthen

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

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

The question
10.

Which one of the following, if true, most helps to justify the above application

Answer choices

  1. Basically Fails Both3% picked this

    While this style of vase is not currently sought after by other collectors, Matilde has acquired quite a few similar pieces and has

    It sounds like it's not coveted as an investment property (because it's not sought after by others, so there's little re-sale demand) and it sounds like M is really good at judging authenticity.

  2. Doesn't Establish Either6% picked this

    Although the seller is willing to take back the vase if Matilde cannot independently authenticate it, Matilde is not sure that the vase will

    We have no idea why Matilde wants it (likes it vs. investment), and we have no way to say she can't be confident of its authenticity.

  3. Fails Both9% picked this

    The seller of the vase has offered documentation of its age and origin, and Matilde is highly attracted to its shape and color; moreover,

    She can be confident of its authenticity, and she's also attracted to intrinsic qualities, so this has failed both criteria.

  4. Doesn't Establish Either1% picked this

    The asking price for the vase is significantly less than the amount Matilde thinks it is worth, and the vase is of

    We don't have a way to say she can't be confident it's authentic, and it looks like she is attracted to its style, so we would have an even harder time saying she's not attracted to it, just buying for investment.

  5. Correct82% picked this

    While Matilde likes the color and features of the vase, its particular style has frequently been reproduced for the mass market, and the vase

    Why this is right

    This establishes that Matilde can't be confident of the authenticity (can't be examined closely or authenticated over the Internet). That's enough to trigger the Principle (since it was X or Y ? shouldn't buy).

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

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