Question: 5. (15 points) Let L7 be the language { w(ly I y is a substring of w, where w, y C (c,d*. Use the Pumping

5. (15 points) Let L7 be the language { w(ly I

5. (15 points) Let L7 be the language { w(ly I y is a substring of w, where w, y C (c,d*. Use the Pumping Lemma for context-free languages to show that L is not context-free 7 18

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