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Questions tagged [decidability]

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Why is it undecidable to check the emptiness and finiteness of a context-sensitive grammar?

Context-sensitive languages have context-sensitive grammars, and context-free languages have context-free grammars. Using context-free grammars, we can decide the finiteness and emptiness of context-...
S. M.'s user avatar
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Is the Turing machine the only framework to analyse limits of computation?

In Theory of Computation lessons, the limits of computation are usually analyzed within the framework of Turing machines, so if something isn't solvable with Turing Machine, then we consider this ...
math boy's user avatar
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