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Re: Countably Infinite Sets
Posted:
Dec 28, 2012 1:51 PM
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"netzweltler" <reinhard_fischer@arcor.de> wrote in message news:22a702ac-b0b4-4c5e-b4f3-7d094499f431@r13g2000vbd.googlegroups.com... > Does the set {{1}, {1,2}, {1,2,3}, ...} contain all natural numbers?
no, it would contain the set of all natural numbers.
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