4. (20 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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4. (20 points) Let L = {<A, G> | A is a DFA and G is a CFG, and their languages have at least one common
string}. Show that L is Turing decidable.
Transcribed Image Text:4. (20 points) Let L = {<A, G> | 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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