Logical ReasoningDifficulty: Easy

PT140 S1 Q1 Explanation

Several years ago, most

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

TopicsSufficient Assumption

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Stimulus

Several years ago, most of one country's large banks failed and were taken over by a government agency. The agency is now selling these banks, aiming to strengthen the banking system in the process. But the banking system will not be strengthened if the former owners of is unlikely to achieve its goal, since _______ .

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
1.

The conclusion of the argument is properly drawn if which one of the following

Answer choices

  1. Weak / Unrelated to Goal3% picked this

    the agency may be unable to sell some of

    We'll almost never see weak wording like "may" in the correct answer to Sufficient Assumption, since we're looking for an answer that guarantees the conclusion is true (follows logically / properly drawn / properly inferred). Since we're trying to prove the idea that "the banking system will not be strengthened", and since we were provided a law that says if X ? banking system won't be strengthened We need an answer to tell us "X", which is that "the former owners will buy back these banks".

  2. Weak / Unrelated to Goal1% picked this

    a single company could buy more than one of

    We'll almost never see weak wording like "could" in the correct answer to Sufficient Assumption, since we're looking for an answer that guarantees the conclusion is true (follows logically / properly drawn / properly inferred). Since we're trying to prove the idea that "the banking system will not be strengthened", and since we were provided a law that says if X ? banking system won't be strengthened We need an answer to tell us "X", which is that "the former owners will buy back these banks".

  3. Out of Scope: overall economy3% picked this

    the country's overall economy is not much stronger than it was when the

    The correct answer on Sufficient Assumption will almost never contain wording we haven't already used in the passage, since it's just trying to patch together loose ends (not create a new loose end by introducing new wording like "overall economy").

  4. Irrelevant Comparison2% picked this

    the banks sold by the agency will be financially weaker than the country's other banks

    We're only here to judge / prove whether the banking system will / won't be strengthened. Wording like "these banks will be weaker than other banks for some time" is a very wishy-washy idea. We need definitive understanding that the banking system isn't strengthened.

  5. Correct92% picked this

    all of the bidders for the banks are their

    Why this is right

    We were looking to hear that "the former owner of these banks will buy them back". If we knew that, it would prove the idea that the banking system will not be strengthened. But since the actual conclusion is just "the agency is unlikely to achieve its goal" we need to prove that "the banking system is likely not going to be strengthened". If all the bidders for the banks are former owners, then it's likely that the former owners of the banks are going to buy them back, so it's likely that the banking system will not be strengthened.

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

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