Logical ReasoningDifficulty: Hard

PT154 S2 Q22 ExplanationArt critic: All of Dolores

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

TopicsMust be True

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Stimulus

Art critic: All of Dolores Albarran’s oil paintings are highly original, though few of them are critically acclaimed or popular with collectors. Remarkably, Albarran produced no highly original works until late her abstract works demonstrate much originality.

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
22.

If all of the art critic’s statements are true, which one of the following must

Answer choices, explained

  1. Unknown Group7% picked this

    Most of Albarran’s works that are not popular with collectors are

    We didn't think the fact about critically acclaimed / popular was usable, so this isn't appealing at first blush. This is talking about "Most non-popular works". We don't have any statements about most-unpopular, so it's never going to be a correct answer. By contrast, the inference we made, "Most abstract are not-oil" was possible because we did have a statement about "most abstract". You'll never see a correct answer say "Most X are ____ " if we were never provided a statement about Most / Few X.

  2. Unknown Group18% picked this

    Few of the works produced late in Albarran’s career are

    We would immediately translate this into positive: Most [late career] are [not abstract] This is talking about "Most late career works". We don't have any statements about most-late career, so it's not going to be a correct answer. By contrast, the inference we made, "Most abstract are not-oil" was possible because we did have a statement about "most abstract". You'll never see a correct answer say "Most X are ____ " if we were never provided a statement about Most / Few X. All we know about Albarran's late career work is that there were some highly original works produced. But we have no idea what proportion of her late career works were highly original.

  3. Unknown Group19% picked this

    Most, if not all, of the works produced late in Albarran’s career

    This is talking about "Most late career works". We don't have any statements about most-late career, so it's not going to be a correct answer. By contrast, the inference we made, "Most abstract are not-oil" was possible because we did have a statement about "most abstract". You'll never see a correct answer say "Most X are ____ " if we were never provided a statement about Most / Few X. All we know about Albarran's late career work is that there were some highly original works produced. But we have no idea what proportion of her late career works were highly original.

  4. Correct49% picked this

    Most, if not all, of Albarran’s abstract works are not

    Why this is right

    This is one of the inferences we derived. Most abstract were not highly original. All her oil were highly original. So, most of her abstract were not oil. If you prefer the formal look: Most A's are ~HO ~HO ? ~O So, Most A's are ~O. The whole "if not all" is meaningless. When we say something like, "Most, if not all, of the beers that Dave buys are Belgian", we are correct as long as more than 50% of his beers are Belgian. That's the only quantity we committed to in that statement.

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

  5. Unknown Group8% picked this

    Few or none of Albarran’s critically acclaimed works are

    We would immediately translate this into positive: Most [critically acclaimed] are [not highly orig] This is talking about "Most critically-acclaimed". We don't have any statements about most-critically acclaimed, so it's not going to be a correct answer. By contrast, the inference we made, "Most abstract are not-oil" was possible because we did have a statement about "most abstract". You'll never see a correct answer say "Most X are ____ " if we were never provided a statement about Most / Few X. We actually have zero information about Albarran's critically acclaimed works. We were only told that most oil paintings are not critically acclaimed.

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