Let C be a language. Prove that C is Turing-recognizable
Chapter , Problem 4.18(choose chapter or problem)
Let C be a language. Prove that C is Turing-recognizable iff a decidable language D exists such that C = {x| y (hx,yi D)}.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer