Logical Reasoning

PT115 · S4 · Q6 A politician can neither be reelected

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A politician can neither be reelected nor avoid censure by his or her colleagues if that politician is known to be involved in any serious scandals.

Statements

conditional (if = Left side, sufficient)

if ... then ... politician is known not reelected to be involved in → and any serious scandals will be censured

specific facts

These prominent politicians are involved in a serious scandal. These politicians will not be reelected.

Evaluate

Our reading / thinking goal on Must Be True and Most Supported (i.e. Inference questions) is to see whether we can combine or synthesize any of the claims they've provided in order to derive some other true claim. To do this, we pay attention to whether we're given any Conditional rules, Causal relationships, or Math-y facts. And we pay attention to whether we see any Overlapping Ideas that show up in multiple claims.

The first sentence was conditional, signified by the sufficient indicator "If", so we put the "If" idea on the left of the arrow. When we see "neither Y nor Z", we need to translate this into "not this and not that". People often write "or" because it rhymes with "nor". But the expression neither / nor is banning both things, not one or the other.

That is banning both things, not one or the other.

So "if X, then neither Y nor Z" looks like this: X → ~Y and ~Z

The contrapositive of that rule (reversing the order and the positive/negative value of everything) looks like this (remember that and/or switches when we contrapose): Z or Y → ~X

The first sentence, contraposed, would be saying, If you've been reelected or you never got censured, then you were never known to be involved in any serious scandals.

(you've got to get nostalgic for Test 39's worldview, when being involved in serious scandals had political or electoral consequences)

Since we have a conditional rule, we're looking to see whether any other claims (rules or facts) mention the ideas on the left side or the right side of that rule. The second sentence tells us about politicians who have been involved in a serious scandal.

The rule applies to them! What does the right side tell us about those politicians?

It says, . (Censure = harsh criticism. In the American political system, and others I believe, Impeachment is the most severe rebuke that the political system can give towards its leader. Censure is a non-binding official condemnation. It's like .)

The last sentence tells they will not be reelected. Yeah, last sentence, we know! We're following the rule. We also know that they can't avoid censure.

Goal

Since combining the second sentence with the rule in the first sentence provides us with inferences (these politicians can't be reelected or avoid censure), we have good reason to think the correct answer will just be testing us on these available inferences.

However, because the last sentence stole one of them from us, we'd expect the answer to deal with the other one: these prominent politicians cannot avoid censure (harsh criticism)

But on Must Be True there's no such thing as what the answer should be. We pick whatever answer we can prove from the provided information.

6.

If the statements above are all true, which one of the following statements must also be true?

  1. Correct

    The prominent politicians cannot escape

    Why this is right

    As discussed, the rule in the first sentence tells us that if you've been in a serious scandal, you cannot avoid censure. The prominent politicians have been in a serious scandal, so they cannot avoid (escape) censure by their colleagues.

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

    81% picked this

  2. If there had been no

    Illegal Negation

    This is speculating about something we can't say for sure. We don't know that without the scandal they would have been guaranteed to win. Maybe they were unpopular because of their policies. Maybe redistricting and gerrymandering has increased to where they wouldn't have won even if they won the popular vote. This type of wrong answer occurs when there is conditional logic. Given a conditional rule, such as: If you're a movie star, then you're wealthy We can't ever "flip the illegal light switch" on that and say, If you're not a movie star, then you're not wealthy We know there are lots of other ways that someone could be wealthy. People just tend to get sloppy with their conditional thinking, if it's not a familiar real-world claim like this one that you know is wrong. They gave us: if there's a serious scandal, they won't be reelected It is an illegal negation (flipping that lights witch) to pretend like we therefore know that: if there isn't a scandal, they will be reelected

    8% picked this

  3. No politician is censured unless

    Illegal Negation

    This is saying that serious scandals are the only time you get censured? We don't know that. Maybe you also can get censured because you incite an insurrection. Maybe you can get censured for moderate (not serious) scandals too. Maybe you get censured for putting wax in your ears and shouting "la-la-la-la" during political proceedings. Just like (B), this type of wrong answer occurs when there is conditional logic. Given a conditional rule, such as: If A, then B They will try to bait us into picking an answer that says: If not A, then not B This answer is saying: if not involved in serious scandal, then not censured Whereas the paragraph told us this: if involves in serious scandal, then censured can't avoid censure = will be censured

    6% picked this

  4. The prominent politicians initially benefited

    Out of Scope: benefited from scandal

    The passage doesn't contain any information about whether the conspiracy benefited the politicians at any point. Since we have no information about it, we can't prove benefit.

    0% picked this

  5. Some politicians who are involved

    Opposite, if anything

    This would go against this paragraph. We know that any politician involved in serious scandal will be censured. It's possible, of course, that a politician involved in non-serious scandal could avoid censure, but they've given us no evidence in this paragraph that such a thing has ever occurred. I think this trap answer was designed to fool students, who might think, "I though that the rule said these prominent politicians would not be reelected and not avoid censure. But the paragraph only mentions reelection. So I guess they didn't get censured?" We should never be thinking on LSAT that because something wasn't mentioned it's therefore not true.

    4% picked this

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