PRONOM: proof-search and countermodel generation for non-normal modal logics
Résumé
We present PRONOM, a theorem prover and countermodel generator for non-normal modal logics. PRONOM implements some labelled sequent calculi recently introduced for the basic system E and its extensions with axioms M, N, and C based on bi-neighbourhood semantics. PRONOM is inspired by the methodology of leanTAP and is implemented in Prolog. When a modal formula is valid, then PRONOM computes a proof (a closed tree) in the labelled calculi having that formula as a root in the labelled calculi, otherwise PRONOM is able to extract a model falsifying it from an open, saturated branch. The paper shows some experimental results, witnessing that the performances of PRONOM are promising.
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DalNegOliPozAIIA2019.pdf (1.01 Mo)
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Reimpostazionepronom2019perHAL.pdf (916.98 Ko)
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