Is the set of all non-recursively enumerable languages uncountable or countable? Proof? (I would assume it is uncountable but not sure.)
2026-03-27 21:20:36.1774646436
Question about the set of all non-recursively enumerable languages
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HINT: There are uncountably many languages total, and only countably many r.e. languages, so . . .
(More generally, it's a good rule of thumb that "most" languages aren't "simple".)