Logical ReasoningDifficulty: Hard

PT7 S1 Q20 Explanation

According to sources who can

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

TopicsParallel Flaw

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Stimulus

According to sources who can be expected to know, Dr. Maria Esposito is going to run in the mayoral election. But if Dr. Esposito runs, Jerome Krasman will certainly not run against the only candidate in the election.

What this question is testing

Parallel Flaw

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
20.

The flawed reasoning in the argument above most closely parallels that in which one

Answer choices

  1. Trap6% picked this

    According to its management, Brown’s Stores will move next year. Without Brown’s being present, no new large store can be attracted to the downtown

  2. Correct72% picked this

    The press release says that the rock group Rollercoaster is playing a concert on Saturday. It won’t be playing on Friday if it plays

    Why this is right

    Answer B is correct.

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

  3. Trap2% picked this

    Joshua says the interviewing panel was impressed by Marilyn. But if they were impressed by Marilyn, they probably thought less of Sven. Joshua is

  4. Trap17% picked this

    An informant says that Rustimann was involved in the bank robbery. If Rustimann was involved, Jones was certainly not involved. Since these two are

  5. Trap3% picked this

    The review said that this book is the best one for beginners at programming. If this book is the best, that other one can’t

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