Logical ReasoningDifficulty: Hard

PT105 S1 Q17 Explanation

The difference between manners and

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

TopicsMost Supported

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Stimulus

The difference between manners and morals is that the former are necessarily social in nature whereas the latter are not necessarily social in nature. So the apply when one is alone.

What this question is testing

Most Supported

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
17.

The statements above, if true, most strongly support which one of the

Answer choices

  1. Correct57% picked this

    One could be immoral without ever having caused any other person

    Why this is right

    This goes one implication further than where we had predicted. We were thinking that they would test the idea that, some moral rules do not depend on their being a 2nd party (they are not social in nature) If there are some moral rules that apply even when we're alone, then it's possible for us to be immoral all by ourselves, which means "one can be immoral without ever having caused any other person any harm". There could be a moral rule, for example, that "one should not needlessly damage their body with excessive drug abuse", and thus even if you moved away to a remote cabin and didn't see anyone but yourself and your drugs, you could be immoral without causing harm to anyone but yourself.

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

  2. Too Strong: never overlap13% picked this

    No immoral act could be a violation of the rules

    The opening sentence is saying that there is some divergence between manners and morals, whereas this sentence is saying there isn't any overlap. It's possible that walking up to your best friend, at their wedding, and kissing their partner on the lips while confessing your secret crush on them is both immoral and a breach of etiquette.

  3. Too Strong: only when4% picked this

    The rules of morality apply only when one

    We would have been happy to pick something that said, the rules of morality can apply also when one is alone. That we know. This is saying that as soon as you are near someone else, there are no moral rules governing your behavior?!

  4. Out of Scope: more important2% picked this

    It is more important to be moral than to have

    There isn't any language that would support a comparative judgment about which of these two things is more important. We're only comparing them on the level of necessarily social vs. not necessarily social.

  5. Too Strong: could not be24% picked this

    What is social in nature could not be a matter

    This answer means the same thing as (C), so it knocks both of them out of the running. We would have been happy to pick something that said, what is not social in nature could still be a matter of morality. That we know. This is saying that as soon as you are near someone else, there are no moral rules governing your behavior?!

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