Prove that the countable union of countable sets is countable. In other words, for each n...

 

Transcribed Image Text:

Prove that the countable union of countable sets is countable. In other words, for each n E N, let An be a countable set. Prove that U An ≤ INI. nEN Prove that the countable union of countable sets is countable. In other words, for each n E N, let An be a countable set. Prove that U An ≤ INI. nEN

Answer rating: 100% (QA)

Let An be a Countable want to show that IUDEN Create a Table ... View the full answer