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#1 2012-12-28 21:38:33
- aftermath
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abstract algebra
hi , how to prove that the union of countable set and uncountable set is uncountable ? thanks
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#2 2012-12-28 21:57:07
- scientia
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Re: abstract algebra
Hint: Any set containing an uncountable subset is uncountable.
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#3 2012-12-28 21:59:29
- aftermath
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Re: abstract algebra
thank you scientia 
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#4 2012-12-28 22:05:59
- mathaholic
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Re: abstract algebra
Welcome to the forum, aftermath. 
Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate
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#5 2012-12-28 22:36:45
- aftermath
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Re: abstract algebra
thanks julian i think this forum can help me a lot . GODbless !
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