Logical ReasoningDifficulty: Hard

PT21 S2 Q20 Explanation

Ann will either take a leave of

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

TopicsSufficient Assumption

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Stimulus

Ann will either take a leave of absence from Technocomp and return in a year or else she will quit her job there; but she would not do either one unless she were offered a one-year teaching fellowship at a prestigious university. Technocomp will allow her to take a leave of absence at Technocomp only if Technocomp finds out she has been offered the fellowship.

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
20.

Which one of the following, if assumed, allows the conclusion above to

Answer choices

  1. Out of Scope7% picked this

    Technocomp will find out about Ann being offered the fellowship only if someone

    Out of Scope: someone informs on her Sufficient Assumption correct answers almost never bring in any new concepts, such as "whether or not a coworker rats her out". A correct answer should just patch together a loose end in the argument (or to rule out the one possible objection we could make). Even if this answer is true, it does nothing to answer our one big objection: what if T doesn't find out, they offer the leave of absence, but she just quits anyway?

  2. Out of Scope: reason for wanting2% picked this

    The reason Ann wants the fellowship is so she can quit her

    Sufficient Assumption correct answers almost never bring in any new concepts, such as why she wants the fellowship in the first place. They're just meant to patch together a loose end in the argument (or to rule out the one possible objection we could make). Even if this answer is true, it does nothing to answer our one big objection: what if Ann is offered the fellowship, T doesn't find out, they offer the leave of absence, but she just quits anyway?

  3. Out of Scope: competitors19% picked this

    Technocomp does not allow any of its employees to take a leave of absence in order to work

    Sufficient Assumption correct answers almost never bring in any new concepts, such as Technocomp's competitors. Given how confusing this question is, it would be very useful for us to be able to eliminate (A), (B), and (C) based on out of scope concepts. Even if this answer is true, it does nothing to answer our one big objection: what if Ann is offered the fellowship, T doesn't find out, they offer the leave of absence, but she just quits anyway?

  4. Correct62% picked this

    Ann will take a leave of absence if Technocomp allows her to take a

    Why this is right

    This shuts down our possible objection of "what if Techno offers her the leave of absence, but she quits anyway?" It says, Nope, if she's offered the leave of absence, she's taking it. Formally, we were looking for this missing link: offered leave of absence ? won't quit This answer is saying: offered leave of absence ? she will take it So as long as we correctly understand "taking a leave of absence" to mean "leaving a job with the intention of coming back to it", then it's fair to equate "taking a leave of absence" with "not quitting".

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

  5. Nullifies Entire Story10% picked this

    Ann would be offered the fellowship only if she quit her

    This answer is kind of impossible to assimilate into the set of facts we had. We were told that Ann will not quit unless she's offered the fellowship. This is saying she won't be offered the fellowship unless she quits. So with this mutual stand-off, it's just a stalemate. It leaves her not quitting and not being offered the fellowship. Thus, it doesn't allow us to derive the conclusion, which is constructing an exclusive relationship between quitting and T finding out about the fellowship. Technically, given this answer choice and the facts we were told, Ann will never quit her job at Technocomp. Does that then prove that "she will quit only if X is true"? Kind of, in a vacuous way. The contrapositive is saying "If T doesn't find out about the fellowship, she won't quit". Given that this answer forces us to believe that Ann will never quit, this conclusion could never be wrong. But that means a million other nonsensical conclusions are also proven: "If bananas are worth more than gold, she won't quit" "If Mars turns into a falafel, she won't quit". I think this was logical sloppiness on the part of LSAC, but we should be worried about picking this answer for such a technicality, when we know the spirit of the question task is not related to this type of thinking.

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