Question: 4. Find a deterministic pushdown automaton that accepts the language {wcwR | w {a, b} }. 5. Show that the language {a n b m

4. Find a deterministic pushdown automaton that accepts the language {wcwR | w {a, b} }.

5. Show that the language {a n b m | n 6= m} is deterministic context-free.

6. Show that the language L = {w {a, b} | na(w) > nb(w)} is deterministic context-free.

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