Logical ReasoningDifficulty: Hard

PT122 S4 Q16 Explanation

There is a difference between

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

TopicsNecessary Assumption

Keep going in LSAT Lab

  • Save & drill this skill build targeted practice sets from questions like this one

  • Video walkthroughs watch every question solved step by step

  • 81 official LSATs as questions, timed sections & full-length tests

Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

There is a difference between beauty and truth. After all, if there were no difference, then the most realistic pieces of art would be the best as well, since the most realistic pieces are the most realistic artworks are not among the best.

What this question is testing

Necessary Assumption

Your task

Find the assumption the argument requires in order for its conclusion to hold.

Common trap

Answers that would help the argument but aren't strictly required (sufficient, not necessary).

Winning move

Negate each choice — the right one breaks the argument when negated.

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 an assumption required by

Answer choices

  1. Correct62% picked this

    The most beautiful artworks are the

    Why this is right

    The author was trying to prove that beauty and truth are different things by saying, "Look, there are examples where most realistic ? best". Okay, what does that have to do with beauty and truth? The author thinks that he's presenting examples that show, most truthful ? most beautiful He established that "most realistic = most truthful" but didn't say out loud "best = most beautiful". (p.s. there's fewer than 5 examples ever when "most" was in a correct answer in Necessary Assumption)

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

  2. Too Strong12% picked this

    If an artwork contains nonrealistic elements, then it is not at

    Too Strong: not at all truthful Unrelated to Goal: beauty Our author has only said that "the most realistic pieces are the most truthful". That doesn't commit her to believing this fake opposite idea that "if anything is nonrealistic, then there is ZERO truthfulness".

  3. Too Strong: none6% picked this

    None of the best artworks are

    The author only says that "many of the most realistic artworks aren't among the best", but that statement certainly leaves plenty of room for many of the most realistic artworks to be among the best. And then of course, there are tons of artworks that could be outside the category of "most realistic" but still within the category of "realistic" that might also be among the best.

  4. Reversal18% picked this

    Only the best artworks are

    "only" = necessary condition (put it on the right side) This is saying "if it's beautiful, then it's the best". But we actually need to know "if it's the best, then it's beautiful". The author's evidence is only about the best artworks. But somehow her conclusion is supposedly about beauty. When she's talking about "the best artworks", she is assuming that we're talking about "the most beautiful artworks". So, conditionally, we're thinking, "when she says the best, she means the most beautiful", which would look like, best ? beautiful If we negated this answer, it would just mean that "there is at least one artwork that is beautiful that is not among the best artworks". That wouldn't be an objection to this argument, so this isn't a necessary assumption.

  5. Out of Scope: subjective3% picked this

    An artwork’s beauty is inherently subjective and depends on who is

    The author doesn't need to invoke any sense that "beauty is subjective". In fact, the author seems to kind of be acting as though we can talk about which artworks are the best, the most realistic, the most truthful, the most beautiful, so if anything he's acting as though beauty is a discernible, inherent quality.

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free