: given I have to prove the last line in that list; does this constitute a proof? Thanks, I am unused to both set theory and proofs, which makes this especially hard.
Last edited by billa; July 11th 2009 at 02:53 PM. Reason: missspellingg
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Originally Posted by billa : given I have to proof the last line in that list; does this constitute a proof? Thanks, I am unused to both set theory and proofs, which makes this especially hard.
Originally Posted by Plato excuse me, but how did you get that?
Originally Posted by doresa excuse me, but how did you get that? Well it is very clear. We know that so by definition .
Last edited by Plato; July 12th 2009 at 12:35 PM.
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