Question: We are given an alphabet, E. Now we have an operation which takes 3 languages from our alphabet. The output is every word w, as

We are given an alphabet, E. Now we have an operation

We are given an alphabet, E. Now we have an operation which takes 3 languages from our alphabet. The output is every word w, as an element over *, which exists in 2 or more of these languages. Consider * as the set of all words over . Please prove that under our operation, the class of reg. languages is closed

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