{ "id": "2401.00457", "version": "v1", "published": "2023-12-31T11:18:59.000Z", "updated": "2023-12-31T11:18:59.000Z", "title": "Filtrations for $\\mathbb{wK4}$ and its relatives", "authors": [ "Andrey Kudinov", "Ilya Shapirovsky" ], "categories": [ "math.LO" ], "abstract": "We study the finite model property of subframe logics with expressible transitive closure modality. For $m>0$, let $\\mathrm{L}_m$ be the logic given by axiom $\\lozenge^{m+1} p\\to \\lozenge p\\vee p$. We construct filtrations for the logics $\\mathrm{L}_m$. It follows that these logics and their tense counterparts have the finite model property. Then we show that every canonical subframe logic that contains $\\mathrm{L}_m$ have the finite model property.", "revisions": [ { "version": "v1", "updated": "2023-12-31T11:18:59.000Z" } ], "analyses": { "subjects": [ "03B45" ], "keywords": [ "finite model property", "construct filtrations", "tense counterparts", "canonical subframe logic", "expressible transitive closure modality" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }