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Please answe the following question using the appropriate notations Please keep it readable Thanks 18. The head of a language is the set of all

Please answe the following question using the appropriate notations

Please keep it readable

Thanks

18. The head of a language is the set of all prefixes of its strings, that is, head (L) = {x : xy E L for some y E *) Show that the family of regular languages is closed under this operation

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