Set $I = \{x \mid x \text{ is a positive integer}\}$
Set $J = \{x \mid 2 < x < 5\}$
Both sets $I$ and $J$ are infinite, I get that. But why is set $I$ denumerable and set $J$ nondenumerable? I just can't get my head around it.
2026-03-12 09:48:54.1773308934
What are denumerable sets exactly?
17 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in ELEMENTARY-SET-THEORY
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