14. (15 points) Show that the language {wwR:w E{a,b}*} is not regular.
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Step 1: Assume that the language L = {wwR:w E{a,b}*} is regular. Show more…
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Is the following language regular or not regular? Prove your answer: (1) A1 = {www | w ϵ {a, b}* } (2) A2 = {w1w2 w3 | w1, w2, w3 ϵ {a, b}* } (3) A3 = {11n 22n 33n | n > 0 } (4) A4 = {1i 2j 3k | i, j, k > 0 } Please CLEARLY explain why or why not.
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