Logical ReasoningDifficulty: Easy

PT157 S2 Q1 ExplanationOne should not do anything

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

TopicsMust be True

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Stimulus

One should not do anything that has the potential to produce serious harm to one’s society. The public actions—or inactions—of celebrities and of people who are widely respected are widely emulated. Some celebrities do not in which many people refrain from voting.

What this question is testing

Must be True

Given

Four puzzle pieces on the table: (1) do not do things that could seriously harm society, (2) celebrities and widely respected people are walking billboards whose public behavior gets copied, (3) some celebrities skip the ballot box, and (4) widespread non-voting is seriously bad for society.

Evaluate

Snap these pieces together: if a celebrity publicly sits out an election, a herd of admirers will follow suit. Mass non-voting causes serious harm. And doing things that cause serious harm is a no-no. The escape hatch? The word "public." Nobody said celebrities must vote — just that if they are going to skip it, they should keep that to themselves.

Goal

Find the answer that connects these dots without overreaching. Anything demanding all celebrities vote or applying the rule to everybody goes too far.

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

The question
1.

Which one of the following principles can be properly inferred from the

Answer choices, explained

  1. Too Strong: require all5% picked this

    A society should require all celebrities

    This answer says society should "require all celebrities to vote." The stimulus never makes prescriptions about what society should require — it only states what an individual "should not do." Additionally, the statements do not demand that every celebrity vote. The key insight from the stimulus is that celebrities' public inactions are emulated. A celebrity could refrain from voting without causing harm, as long as that decision is not made public. Requiring all celebrities to vote goes far beyond what the premises support.

  2. Too Broad: one3% picked this

    One should vote only if one expects that doing so will cause many other people

    This answer says "one should vote only if one expects that doing so will cause many other people to do likewise." The word "one" applies the principle to everyone, but the stimulus specifically focuses on celebrities and widely respected people — those whose public actions are widely emulated. The stimulus does not make claims about ordinary individuals whose behavior is not emulated. Furthermore, the stimulus never says anyone "should vote." The argument establishes that celebrities should not publicly refrain from voting, which is very different from saying they should vote. This answer also wrongly introduces a condition about expecting to cause others to vote, which has no basis in the premises.

  3. Too Speculative4% picked this

    Celebrities who do not vote should not be

    This answer says celebrities who do not vote "should not be widely respected." While the stimulus does establish that celebrities who publicly refrain from voting can cause societal harm, it never addresses what consequences should follow for such celebrities. The stimulus provides no basis for concluding that someone should lose respect because of their voting behavior. The argument is about what actions should or should not be taken publicly — not about whether someone deserves respect. This answer requires speculative reasoning that goes beyond what the premises directly support.

  4. Too Speculative2% picked this

    People should not emulate celebrities who are not

    This answer says "people should not emulate celebrities who are not widely respected." The stimulus discusses celebrities and widely respected people together in the second premise, stating that their public actions are widely emulated. This answer asks us to speculate about a category not addressed in the stimulus: celebrities who are not widely respected. The stimulus provides no information about whether people emulate such celebrities or what they should do about it. Additionally, the stimulus never tells people who they should or should not emulate — it addresses what celebrities and respected people should or should not do publicly. This answer rearranges the stimulus concepts into a combination the premises do not support.

  5. Correct86% picked this

    Widely respected people should not publicly refrain

    Why this is right

    This answer follows directly from combining the stimulus's premises. Widely respected people's public actions are widely emulated (premise 2). If widely respected people publicly refrain from voting, many others will follow suit. Serious harm befalls a society where many refrain from voting (premise 4). One should not do anything that could produce serious harm to one's society (premise 1). Therefore, widely respected people should not publicly refrain from voting. The stimulus specifically mentions celebrities in premise 3, but premise 2 extends the emulation effect to "people who are widely respected" as well. This answer captures the correct scope and avoids the overreach of requiring people to vote — it only prohibits publicly refraining from voting.

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

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