Logical ReasoningDifficulty: Easy

PT127 S2 Q11 Explanation

Lance: If experience teaches us

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

TopicsMethod

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Stimulus

Lance: If experience teaches us nothing else, it teaches us that every general rule one exception.

Frank: What you conclude is itself a general rule. If we assume that it is true, then there is at least one general rule that must withdraw your conclusion.

What this question is testing

Method

Your task

Describe how the argument proceeds — the technique it uses to reach its conclusion.

Common trap

Answers that describe a method the argument doesn't actually use.

Winning move

Track the role each statement plays, then match that to the choice describing the same moves.

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.

Frank's argument is an attempt to counter Lance's

Answer choices

  1. Not Circular / Bad Premise Match5% picked this

    demonstrating that Lance assumes the very thing he sets out

    Frank isn't accusing Lance of circular reasoning. Lance doesn't make an argument. He just says one claim, which the question stem calls a conclusion. You can't have a circular conclusion. What he showed instead is that the conclusion is self-contradicting.

  2. Correct91% picked this

    showing that Lance's conclusion involves him in

    Why this is right

    Franks says to Lance, "If we assume your conclusion is true, that every general rule has at least one exception, then there is at least one general without an exception." So he does show Lance that his conclusion is self-contradictory.

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

  3. Bad Conclusion Match2% picked this

    showing that no general rule can

    Frank's conclusion only only telling Lance to retract his statement. Frank certainly doesn't think that ALL general rules have exceptions, because that's self-contradictory, but he still might believe that SOME general rules have exceptions.

  4. Bad Premise Match2% picked this

    establishing that experience teaches us the opposite of what

    Frank doesn't refer to experience at all. Only Lance does. Frank just attacks the internally-contradictory logic of Lance's general rule.

  5. Bad Premise Match0% picked this

    showing that it has no implications for any

    Frank doesn't discuss any real cases. He's purely hypothetical, pointing out the internal logic of the rule itself.

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