Question

application of countable set in real analysis​

Answer 1

Answer:

Whether finite or infinite, the elements of a countable set can always be counted one at a time and—although the counting may never finish—every element of the set is associated with a unique natural number. Some authors use countable set to mean countably infinite alone.

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Answer 2

answer:

Whether finite or infinite, the elements of a countable set can always be counted one at a time and—although the counting may never finish—every element of the set is associated with a unique natural number. Some authors use countable set to mean countably infinite alone.

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