Logical ReasoningDifficulty: Medium

PT127 S2 Q19 Explanation

None of the students

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

TopicsMust be True

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Stimulus

None of the students taking literature are taking physics, but several of the students taking physics are taking art. In addition, none rhetoric are taking physics.

What this question is testing

Must be True

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
19.

Which one of the following statements follows logically from the

Answer choices

  1. Correct74% picked this

    There are students who are taking art but

    Why this is right

    This follows from the first and A ↢some↣ P second premises. P → ~L ∴ A ↢some↣ ~L

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

  2. Too Strong10% picked this

    None of the students taking literature are

    It can be inferred that some A ↢some↣ P students who take art do not P → ~L take literature, but it cannot ∴ A ↢some↣ ~L be inferred that none of them do.

  3. Unsupported Relationship5% picked this

    There are students who are taking rhetoric but

    It can be inferred that some P → ~R students who do not take P → ~L rhetoric do not take literature, ∴ ~R ↢some↣ ~L but it cannot be inferred that some students who do take rhetoric do not take literature.

  4. Unsupported Relationship3% picked this

    None of the students taking rhetoric are

    The relationship between P → ~R rhetoric and literature that P → ~L can be inferred is that some ∴ ~R ↢some↣ ~L students who do not take rhetoric do not take literature.

  5. Unsupported Relationship8% picked this

    There are students who are taking both art

    While it can be inferred that A ↢some↣ P some students who take art P → ~L do not take literature, that ∴ A ↢some↣ ~L does not mean that some students who take art do take literature.

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