Are Regular Languages Closed under Infinite Union?

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From a channel a BrighterTube curator approved in full · 80% confidence

From a channel Lumen includes in full: Easy Theory, by CS lecturer Ryan Dougherty, works complete proofs and examples in automata theory, computability and complexity — DFAs, pumping lemma, Turing machines, NP-completeness reductions — at university-course depth.

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A 5-minute video from Easy Theory's catalogue; the title names its topic.

Video by Easy Theory, played through YouTube's embedded player.

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