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Let G1 be a context free grammar and G2 be a regular grammar.Is the problem L(G1) intersection L(G2) =phi decidable?
asked ago in Theory of Computation by Active (1.2k points) | 17 views

1 Answer

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as we know that intersection of regular language and cfl is cfl and cfl is closed under emptyness. so yes its DECIDABLE.

answered ago by Active (2.8k points)
how u got it?
it asks for intersection of regular and cfl = phi ?

and we know that intersection of reg and cfl is cfl. and cfl is closed under emptyness so it is decidable.

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