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Does the negation of the right answer choice for a NA question have to completely destroy the argument or can it merely weaken?
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Does the negation of the right answer choice for a NA question have to completely destroy the argument or can it merely weaken?
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From what I've read and experienced in my own practice, the negation of the correct AC will make the argument collapse. I don't think I've come across one that just weakens it. I like to think of the right AC as adding that extra *necessary* piece of info that allows the premise to bridge completely to the conclusion.