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Topic: Countably Infinite Sets
Replies: 11   Last Post: Dec 28, 2012 9:08 PM

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Aatu Koskensilta

Posts: 2,638
Registered: 6/28/08
Re: Countably Infinite Sets
Posted: Dec 27, 2012 11:35 PM
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netzweltler <reinhard_fischer@arcor.de> writes:

> Does the set {{1}, {1,2}, {1,2,3}, ...} contain all natural numbers?

No. Why do you ask?

--
Aatu Koskensilta (aatu.koskensilta@uta.fi)

"Wovon man nicht sprechen kann, darüber muss man schweigen"
- Ludwig Wittgenstein, Tractatus Logico-Philosophicus



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