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The decision problem of provability logic with only one atom

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Abstract.

The decision problem for provability logic remains PSPACE-complete even if the number of propositional atoms is restricted to one.

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Correspondence to Vítězslav Švejdar.

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This paper was supported by grant 401/01/0218 of the Grant Agency of the Czech Republic.

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Švejdar, V. The decision problem of provability logic with only one atom. Arch. Math. Logic 42, 763–768 (2003). https://doi.org/10.1007/s00153-003-0180-4

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