Question: ( 2 0 points ) Let is a DFA and G is a CFG , and their languages have at least one common string }

(20 points) Let is a DFA and G is a CFG, and their languages have at least one common string}. Show that L is Turing decidable.
( 2 0 points ) Let is a DFA and G is a CFG , and

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4 . ( 2 0 points ) Let L = { | A is a DFA and G is a CFG , and their languages have at least one common string } . Show that L is Turing decidable.

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