Question: 5. (20 points) Consider a pushdown automaton with 2 stacks. I.e., on each transition it can push and/or pop from one or both of the

5. (20 points) Consider a pushdown automaton with 2 stacks. I.e.,

5. (20 points) Consider a pushdown automaton with 2 stacks. I.e., on each transition it can push and/or pop from one or both of the stacks. Show that the 2-stack PDA is equivalent to a Turing Machine. (Hint: Remember, you must show both directions.)

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