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Tagged with ho.history-overview regular-language
2 questions
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Providence of pumping lemmas for regular languages
I'm looking to track down who discovered the following pumping lemmas for regular languages.
(where $p$ is the pumping constant.)
Reg($L) \rightarrow \exists p\forall w(\in L) \forall u_1u_2v(\in \...
29
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Why are regular languages called "regular"?
Why are regular languages (and from that regular expressions) called "regular"? There is lot of regularity also in context-free languages other types of languages.
I suppose that, in the beginning, ...