Logical ReasoningDifficulty: Hard

PT126 S4 Q19 Explanation

Professor: It has been argued

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

TopicsSufficient 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

Professor: It has been argued that freedom of thought is a precondition for intellectual progress, because freedom of thought allows thinkers to pursue their ideas, regardless of whom these ideas offend, in whatever direction they lead. However, it is clear that one must mine the full implications of interrelated ideas intellectual discipline. Therefore, this argument for freedom of thought fails.

What this question is testing

Sufficient Assumption

Your task

Find the assumption that, if added, guarantees the conclusion follows.

Common trap

Answers that only partly bridge the gap, leaving the conclusion unproven.

Winning move

Identify the new term in the conclusion and pick the choice that links it to the evidence.

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 conclusion drawn by the professor follows logically if which one of the

Answer choices

  1. Out of Scope: particular orthodoxy7% picked this

    Thinkers who limit their line of thought to a particular orthodoxy are hindered in

    Correct answers on Sufficient Assumption almost never bring up anything new. We never talked about "particular orthodoxy". We also were only talking about intellectual progress in absolute terms (yes/no), whereas this is switching to talking about it in relative terms (hindered progress).

  2. Out of Scope5% picked this

    Thinkers can mine the full implications of interrelated ideas only in the context of a society

    Out of Scope: a society that values Correct answers on Sufficient Assumption almost never contain new ideas. We never talked about societies that do or don't value intellectual progress. We just need to connect "the need for intellectual discipline" to "not needing freedom of thought".

  3. Correct58% picked this

    In societies that protect freedom of thought, thinkers invariably lack

    Why this is right

    We were hoping to get from "If you need intellectual discipline, then you don't need freedom of thought". This answer convinces us we can make that move, because this tells us that if you protect freedom of thought, you won't have intellectual discipline. Having intellectual disciplines —requires? not protecting freedom of thought. Our author can now say, "your argument fails. How can freedom of thought be required from intellectual progress, when intellectual progress requires intellectual discipline, and freedom of thought and intellectual discipline are mutually exclusive?"

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

  4. Out of Scope: creativity / discover truth1% picked this

    Freedom of thought engenders creativity, which aids the discovery

    Correct answers to Sufficient Assumption almost never have new ideas. We never talked about creativity or discovering truth. Also this sounds like a positive idea about freedom of thought, whereas the general gist of our author's argument is to be a bit negative towards freedom of thought, and argue that it's not required for intellectual progress.

  5. Opposite29% picked this

    Without intellectual discipline, thinkers can have no freedom

    We were looking for a way to get from if you need Intellectual Discipline, then you don't need Freedom of Thought. A contrapositive of that move would sound like if you need Freedom of Thought, then you don't need Intellectual Discipline This answer seemingly contradicts that: Freedom of Thought requires Intellectual Discipline If we came to the answers with a fuzzy sense of "I want intellectual discipline to sound like a mismatch for freedom of thought", we would have only considered (C) and (E) and seen (E) as sounding more like Intellectual Discipline and Freedom of Thought are a match.

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