Class 20 - Friday 10/2

Friday, October 02, 2015

11:39

Machine generated alternative text: Regular and Singular Cardinals.

 

 

 

Machine generated alternative text: Definition. Let K be an infinite cardinal. We say that K is regular if cf (K) K. Otherwise, K is said to be singular.

 

 

 

Machine generated alternative text: Lemma.





 

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