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PT52 Sec3 #7

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luxembourg220
luxembourg220's picture
PT52 Sec3 #7

Hello, Dave~
About PT52 Sec3 #7, I understand why answer choice (a) is the right one, but I just feel like this one is almost sufficient assumption. While solving this one, I handled it with conditional logic, as you did, and it seems so sufficient. If you add 'speech->sound' link to the stimulus, you get the conclusion, right? Is it because sometimes necessary assumptions can be sufficient ones, or the other way around, as well?
Please help! Thanks always:)

majorgeneraldave
majorgeneraldave's picture

You've got it exactly—sometimes, the thing that you need to complete your argument is in fact the only piece that was missing!

In such an instance, that piece is both a necessary and a sufficient assumption.

luxembourg220
luxembourg220's picture

Thanks, Dave:)!! Now it's clear to me!

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