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Topic: Uncountable?
Replies: 9   Last Post: Apr 26, 2014 2:13 PM

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quasi

Posts: 10,313
Registered: 7/15/05
Re: Uncountable?
Posted: Apr 25, 2014 3:35 AM
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William Elliot wrote:
>
>Let C be a collection of open subsets of R that cover Q.
>Can S = R - \/C ever be uncountable?


Yes.

Moreover, it's something you'd be expected to know.

quasi



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