Logical ReasoningDifficulty: Easy

PT121 S1 Q18 Explanation

Advocate: You claim that it is wrong

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

TopicsPrinciple-Strengthen

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Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

Advocate: You claim that it is wrong to own gasoline-powered cars because they pollute too much; you have an electric car, which pollutes far less. But the company that made your car also makes millions of gasoline-powered vehicles, so your patronage benefits a producer of products to which gasoline-powered cars, you should not have your electric car either.

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
18.

Which one of the following principles, if valid, would most help to justify

Answer choices

  1. Trap7% picked this

    An action can be wrong even if it has fewer negative consequences

  2. Trap1% picked this

    One should purchase a product only if it pollutes less than

  3. Trap1% picked this

    One should purchase every product whose use has no

  4. Correct88% picked this

    One should not support an organization that does anything one believes

    Why this is right

    Answer D is correct.

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

  5. Trap2% picked this

    One should not purchase products from companies that make no environmentally

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