Question: please prove the statements, show your work and explain 3. Prove whether each of the following statements about Turing reducibility are necessarily true, sometimes true,

please prove the statements, show your work and explain

3. Prove whether each of the following statements about Turing reducibility are necessarily true, sometimes true, or never true. (a) For a decidable language L and an arbitrary language L2, L1 ST L2 (b) For an undecidable language L and an arbitrary language L2, Li Srl (c) If L1 ST Lfor some languages L and L2, then L, is decidable

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