Question: Problem 4 . Prove that the language is a CFG that generates l o n . Problem 5 . Let L 1 and L 2

Problem 4. Prove that the language is a CFG that generates lon.
Problem 5. Let L1 and L2 be decidable languages. Prove that L1L2 is also decidable.
Problem 4 . Prove that the language is a CFG that

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