Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

aftermath
2012-12-29 21:36:45

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

mathaholic
2012-12-29 21:05:59

Welcome to the forum, aftermath. big_smile

aftermath
2012-12-29 20:59:29

thank you scientia smile

scientia
2012-12-29 20:57:07

Hint: Any set containing an uncountable subset is uncountable.

aftermath
2012-12-29 20:38:33

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

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