Question: [ 5 marks ] Let L 1 and L 2 be two languages. Suppose L 1 is mapping reducible to L 2 ( i .

[5 marks] Let L1 and L2 be two languages. Suppose L1 is mapping reducible to L2(i.e.L1?mL2).
If L2 is Turing-recognizable, is L1 Turing-recognizable? Explain
[ 5 marks ] Let L 1 and L 2 be two languages.

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