if [itex] x= \aleph_{a} [/itex] where a is a limit ordinal. then cf(x)=cf(a)(adsbygoogle = window.adsbygoogle || []).push({});

why is the cf(x) not eqaul to [itex] \aleph_{a} [/itex]

is it constructing an order type from the previous cardinals, and using the previous cardinals to construct a sequence

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# I Understanding cofinality

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