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[Exercise 2.6b] Write both a PDA and a CFG for the language L3={0n1nn0}. For example, 000111/L3. Please add a brief explanation of why they work.

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[Exercise 2.6b] Write both a PDA and a CFG for the language L3={0n1nn0}. For example, 000111/L3. Please add a brief explanation of why they work. Hint: First prove that this is equal to {0m1nm=n}01

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