Inference rules are examined which are admissible immediately in all residually finite extensions of S4 possessing the weak cocover property. An explicit basis is found for such WCP-globally admissible rules. In case of tabular logics, the basis is finite, and for residually finite extensions, the independency of an explicit basis is proved.
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Translated from Algebra i Logika, Vol. 62, No. 2, pp. 219-246, March-April, 2023. Russian DOI: https://doi.org/10.33048/alglog.2023.62.204.
V. V. Rimatskii is supported by the Russian Science Foundation, project No. 23-21-00213.
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Rimatskii, V.V. An Explicit Basis for WCP-Globally Admissible Inference Rules. Algebra Logic 62, 148–165 (2023). https://doi.org/10.1007/s10469-024-09733-6
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DOI: https://doi.org/10.1007/s10469-024-09733-6