Logical ReasoningDifficulty: Hard

PT156 S4 Q26 ExplanationLetter to the editor: In calling

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

TopicsPrinciple-Strengthen

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Stimulus

Letter to the editor: In calling on antinuclear activists to "live up to their own ideals" and help find better ways of disposing of nuclear waste, advocates of nuclear power merely prove their own dishonesty. Everyone knows that antinuclear activists want the world rid of nuclear power as soon as possible, and probably make nuclear power acceptable to more people and thus likelier to continue.

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
26.

Which one of the following principles, if valid, most helps to justify the reasoning

Answer choices, explained

  1. Trap8% picked this

    If other options are available, it is irresponsible to take a possibly beneficial course of action that has

  2. Trap15% picked this

    It is better to eliminate a potentially harmful practice than to try to improve it, if improving it will not significantly reduce

  3. Correct61% picked this

    If one is calling on people to act in a way that will possibly undermine their goals, it is dishonest to ask that they

    Why this is right

    Answer C is correct.

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

  4. Trap10% picked this

    It is irresponsible to try to induce others to find a practice acceptable if it is not one's own belief

  5. Trap5% picked this

    It is dishonest to ask people to live up to their ideals without revealing whether one's own

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