Logical ReasoningDifficulty: Easy

PT17 S3 Q16 Explanation

Each of the elements of Girelli’s

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

TopicsFlaw

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Stimulus

Each of the elements of Girelli’s recently completed design for a university library is copied from a different one of several historic libraries. The design includes various features from Classical Greek, Islamic, Mogul, and Romanesque structures. Since no one element in the design of the library cannot be considered original.

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
16.

Which one of the following is a reasoning error made in

Answer choices

  1. Correct93% picked this

    assuming that because something is true of each of the parts of a whole it is true

    Why this is right

    Answer A is correct.

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

  2. Trap2% picked this

    generalizing illegitimately from a few instances of a certain kind to all instances

  3. Trap2% picked this

    concluding that an unknown instance of a phenomenon must have all the properties of

  4. Trap1% picked this

    presupposing that alternatives that can be true separately cannot be

  5. Trap2% picked this

    deriving a factual conclusion from evidence derived from reports of

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