But if the necessary info isn't provided, you don't know because, as you say, yo... | Hacker News

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		jwdunne on Nov 10, 2016 \| parent \| context \| favorite \| on: So you think you know C? But if the necessary info isn't provided, you don't know because, as you say, you can't know. It's semantics. On many exams, "don't know" is a correct answer when you can't know because info is intentionally left out.

_pfxa on Nov 10, 2016 [–]

I don't really want to be a pedant here, but in this case if the necessary information was provided, I had the knowledge to find a correct answer. This is different from the case where even if the information was provided I wouldn't be able to know because I don't have the necessary knowledge.

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