Logical ReasoningDifficulty: Easy

PT125 S4 Q19 Explanation

Cyclists in the Tour de France

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

TopicsFlaw

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Stimulus

Cyclists in the Tour de France are extremely physically fit: all of the winners of this race have had abnormal physiological constitutions. Typical of the abnormal physiology of these athletes are exceptional lung capacity and exceptionally powerful hearts. Tests conducted on last year's That cyclist must, therefore, have exceptional lung capacity.

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
19.

The reasoning in the argument is most vulnerable to criticism on the grounds that it overlooks

Answer choices

  1. Contradiction1% picked this

    having exceptional lung capacity and an exceptionally powerful heart is an

    This does not call the argument into question, but rather supports the argument.

  2. Correct86% picked this

    some winners of the Tour de France have neither exceptional lung capacity nor

    Why this is right

    This attacks the W ↢some↣ ~EL + ~PH argument’s assumption.

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

  3. Too Weak2% picked this

    cyclists with normal lung capacity rarely have exceptionally

    The issue is whether winners of the Tour de France who have normal lung capacity typically have exceptionally powerful hearts.

  4. Contradiction5% picked this

    the exceptional lung capacity and exceptionally powerful hearts of Tour de France winners are

    This does not call the argument into question, but rather supports the argument.

  5. Out of Scope7% picked this

    the notions of exceptional lung capacity and exceptional heart function are relative to the physiology

    Whether exceptional lung capacity and heart function are defined is relative to most cyclists or the average person is not relevant to the argument.

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