Question: Section 4.3 Page 128, Problem 27. Suppose that we know that L1U L2 and L1 is regular. Can we conclude from this that L2 isregular?

Section 4.3 Page 128, Problem 27. Suppose that we know that L1U L2 and L1 is regular. Can we conclude from this that L2 isregular? 1 answer

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