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Give a counterexample to show that the following construction fails to prove that the class of context-free languages is closed under star. Let A be

Give a counterexample to show that the following construction fails to prove that the class of context-free languages is closed under star. Let A be a CFL that is generated by the CFG G = (V,, R,S). Add the new rule S SS and call the resulting grammar G. This grammar is supposed to generate A

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