Logical Reasoning

PT122 · S1 · Q7 Two things are true of

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Two things are true of all immoral actions.

Facts

Immoral action and → offend performed in public sensibilities public

Immoral → accompanied by action feelings of guilt

Evaluate

On Must Be False, the correct answer pretty much always contradicts a conditional (the trigger is happening but the outcome isn't) or contradicts an available inference.

We're given two conditionals, but they don't chain together and there aren't any facts we could apply them to. So there aren't any available inferences.

Goal

Let's just look for an answer that contradicts either / both of these conditionals. - an immoral action was performed in public, but it didn't offend sensibilities or - an immoral action was performed, but it wasn't accompanied by feelings of guilt.

7.

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

  1. Correct

    Some immoral actions that are

    Why this is right

    This contradicts the second sentence. The part is this answer about "not performed in public" is meaningless; it's just there to confuse people. Typically, when a correct answer to Must Be False contradicts a conditional, it throws some other detail into the sentence to distract us from the fact that they're presenting the Trigger and then saying the opposite of the Outcome. The second sentence said "all immoral actions are accompanied by feelings of guilt". Yet this answer is talking about some immoral actions that are not accompanied by feelings of guilt.

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

    62% picked this

  2. Immoral actions are wrong solely

    Out of Scope: wrong

    We never talked about whether anything is wrong or not, so there's no way to contradict a claim about why something is wrong.

    9% picked this

  3. Some actions that offend public

    Compatible

    This doesn't contradict anything. It would only contradict if it were talking about immoral actions. (This answer could be referring to my armpit noises, which definitely offend public sensibilities when I do them in public. It's not immoral for me to be doing them. It's just unseemly. But I have no feelings of guilt. The children love the noises, and that's all I care about.)

    9% picked this

  4. Some actions that are accompanied

    Out of Scope: not immoral

    We only learned about immoral actions, so we can't contradict any claims about actions that are not immoral.

    10% picked this

  5. Every action performed in public

    Compatible

    This is just trying to make a weird conditional chain out of all the ideas we were told. We wouldn't be able to derive this conditional chain from the stimulus (i.e. it's not a valid inference), but it doesn't contradict anything in the stimulus. In order for this to be the right answer, we would have needed to have been told that "there exists some action that is performed in public and accompanied by feelings of guilt, but is not immoral".

    9% picked this

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