Question: 4. a) What is the Halting problem? Prove that this problem is undecidable. b) Draw Chomsky hierarchy and show in which sets of languages in

4. a) What is the Halting problem? Prove that this problem

4. a) What is the Halting problem? Prove that this problem is undecidable. b) Draw Chomsky hierarchy and show in which sets of languages in this hierarchy languages L1 and L2 (defined in Q1 and Q2) belong to

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