Logical ReasoningDifficulty: Easy

PT134 S3 Q4 Explanation

Journalist: A manufacturers' trade group

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

TopicsFlaw

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Stimulus

Journalist: A manufacturers' trade group that has long kept its membership list secret inadvertently sent me a document listing hundreds of manufacturing companies. A representative of the trade group later confirmed that every company listed in the document does indeed belong to the trade group. Because Bruch is evidently not a member of the trade group.

What this question is testing

Flaw

Your task

Describe the reasoning error the argument actually commits.

Common trap

Answers that name a real logical flaw the argument doesn't actually make.

Winning move

Articulate the gap in the reasoning yourself, then match it to the choice that describes that 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
4.

The journalist's reasoning in the argument is flawed in that

Answer choices

  1. Trap1% picked this

    gives no reason to think that Bruch Industries would want to belong to

  2. Correct90% picked this

    does not present any evidence that the document names every member of

    Why this is right

    Answer B is correct.

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

  3. Trap0% picked this

    does not explain how it is that the trade group could have inadvertently sent out

  4. Trap1% picked this

    presents no reason why Bruch Industries would not want its membership in the trade group

  5. Trap8% picked this

    takes for granted the accuracy of a statement by a representative who had a reason

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