Question: 5. Which language? Let PREFIX(L) = {uu is a prefix of w where we L} be the set of all prefixes of strings in L.

5. Which language? Let PREFIX(L) = {uu is a prefix of w where we L} be the set of all prefixes of strings in L. (a) Let L = '.{a}. Characterize PREFIX(L). (b) Let L = {a"b" | n > 0). Characterize PREFIX(L). (c) Let L {a}" 0

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