Question: Grammar and Languages: Find grammars for sigma = {a, b} that generate the sets of a) all strings with no more than three a's b)

Grammar and Languages:

Grammar and Languages: Find grammars for sigma = {a, b} that generate

Find grammars for sigma = {a, b} that generate the sets of a) all strings with no more than three a's b) all strings with at least three a's

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