Question: Every language/problem is either decidable or undecidable. Suppose that you have two languages L1 and L2. Suppose further that you know that L1

Every language/problem is either decidable or undecidable. Suppose that you have two languages L1 and L2. Suppose further that you know that L1 <= L2 (i.e., L1 reduces to L2 ). If you know that L1 is decidable, what, if anything, can you conclude about the decidability of L2?

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