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#1 2012-12-29 20:38:33

aftermath
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abstract algebra

hi , how to prove that the union of countable set and uncountable set is uncountable ? thanks

#2 2012-12-29 20:57:07

scientia
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Re: abstract algebra

Hint: Any set containing an uncountable subset is uncountable.

#3 2012-12-29 20:59:29

aftermath
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Re: abstract algebra

thank you scientia smile

#4 2012-12-29 21:05:59

mathaholic
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Re: abstract algebra

Welcome to the forum, aftermath. big_smile


246 pages on Prime Numbers Wiki (+1)

#5 2012-12-29 21:36:45

aftermath
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Re: abstract algebra

thanks julian smile i think this forum can help me a lot .  GODbless !

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