Your questions were easily answered by looking up the definitions of the terms "finitely many" and "countably infinite".
Your questions were easily answered by looking up the definitions of the terms "finitely many" and "countably infinite".
Are you aware that having a mathematician tell you a question is easily answered without actually answering it is actually the punch line to a joke? Closest I can find on the web is the 2nd one on this page.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.