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For any string w = W1W2... Wn, the reverse of w, written WR, is the string win reverse order, WR = Wn... W2 W1 .

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For any string w = W1W2... Wn, the reverse of w, written WR, is the string win reverse order, WR = Wn... W2 W1 . For any language A, AR = {WR | For all w E A}. Show that if A is regular, then so is AR

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