Question: 4. For string w ala2 . . . an, the reversal of the string is defined as wR-ana241 (a) (2 points) What is eR? What

4. For string w ala2 . . . an, the reversal

4. For string w ala2 . . . an, the reversal of the string is defined as wR-ana241 (a) (2 points) What is eR? What is (10110)R? (b) (4 points) Give a recursive definition of the reversal of a string. (c) (6 points) Use structural induction to prove that (ww2)R

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