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#1 2012-12-28 21:38:33

aftermath
Member
Registered: 2012-12-28
Posts: 6

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
Member
Registered: 2009-11-13
Posts: 222

Re: abstract algebra

Hint: Any set containing an uncountable subset is uncountable.

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#3 2012-12-28 21:59:29

aftermath
Member
Registered: 2012-12-28
Posts: 6

Re: abstract algebra

thank you scientia smile

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#4 2012-12-28 22:05:59

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,803
Website

Re: abstract algebra

Welcome to the forum, aftermath. big_smile


"Double the fun, double the thrill, double the coolness" - Julianthewiki

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#5 2012-12-28 22:36:45

aftermath
Member
Registered: 2012-12-28
Posts: 6

Re: abstract algebra

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

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