PrepTest 115
[lcid:3557] Prep Test 115 LSAT — Logical Reasoning — S2
Logical reasoning
Question prompt
Marie: I gave the
Remaining source text redacted.
Why the credited answer is right
Credited answer: C
The notes below walk through why it fits the stem and how to eliminate the rest.
Question Type
Methods of Reasoning Questions
Answer choices
-
AIt strongly questions the Remaining source text redacted.
Why choice A is not credited
Incorrect. Marie assumes a principle, she doesn't explicitly state one. Her principle is that if you don't trick, threaten, or physically force someone into giving you something—even if it's the wrong thing—then it's not morally wrong to keep it. However, in bringing up a situation that fits that description but doesn't lead to a conclusion of it being morally fine to keep the item, Julia questions that principle. -
BIt offers an additional Remaining source text redacted.
Why choice B is not credited
Incorrect. Julia believes that Marie's conclusion is [n]onsense, so her argument doesn't provide reasons to accept it. -
CIt challenges Marie's conclusion Remaining source text redacted.
Why choice C matches the stem
Correct. Argument or Facts:
Argument/Argument
Valid or Flawed:
Flawed/Flawed
Question Type:
Methods of Reasoning
Stimulus Summary:
M: Situation - A cashier gave me change for a $20, but I gave him a $10. I didn't do anything wrong to get the money, so it wasn't morally wrong to keep it.
J: If you accidentally hand me your coat instead of mine, I didn't do anything wrong to get it, but I'm not morally right to keep it.
Answer Anticipation:
Julia's argument starts by calling Marie's [n]onsense, so we need to figure out how she goes about rebutting Marie's argument.
And Julia uses a common method of reasoning—she uses a similar situation to show that a similar conclusion wouldn't be justified there based on Marie's reasoning, thus suggesting that the conclusion shouldn't be valid in Marie's situation. Let's find an answer talking about a comparable or analogous situation.
Answer Explanation:
This answer reflects our anticipation and Julia's argument. Marie concludes that it wouldn't be morally wrong to keep additional money when a cashier accidentally gives you the wrong change. Julia shows that in a similar situation—accidentally being given the wrong coat—it would be morally wrong to keep it. Since this answer describes how Julia's argument responds to Marie's, it's the correct answer.
Key Takeaway:
A common method of reasoning is to use the opponent's logic in a situation to lead to an unacceptable conclusion. The answer choice here reflects what answer choices generally sound like when that method of reasoning is present! -
DIt uses Marie's criterion Remaining source text redacted.
Why choice D is not credited
Incorrect. Julia doesn't bring up a moral problem she faces—she brings up a hypothetical, parallel situation to highlight a problem with the principle underlying Marie's argument. -
EIt proposes a radically Remaining source text redacted.
Why choice E is not credited
Incorrect. Julia takes issue with Marie's principle and suggests that the situation she describes should lead to the opposite conclusion, which may be considered a radically different principle. However, Julia absolutely renders judgment on Marie's situation in implying through the parallel situation that she is "not morally entitled" to keep the money.
What this tests
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