Re: Denumerbale sets

From: jiri.lebl@xxxxxxxxx
Date: 11 Dec 2006 08:48:59 -0800

Tadeusz Jordan wrote:

I got this. Is this enough? I thought I have to prove now that the union of
two denumerable sets is denumerble.

Notice that the odd natural numbers are denumerable and the even
natural numbers are denumerable, can you construct an injection to the
union now?

Jiri

.

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