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Let $G_1$ be an unrestricted grammar, and $G_2$ any regular grammar. Show that the problem

                                                                    $L(G_1) \space\cap L(G_2) = \phi $

is undecidable for any fixed $G_2,$ as long as $L(G_2)$ is not empty.
in Theory of Computation by Boss (11.4k points) | 10 views

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