{ "id": "2407.20889", "version": "v1", "published": "2024-07-30T15:03:08.000Z", "updated": "2024-07-30T15:03:08.000Z", "title": "Two strong undefinability results in inquisitive and team semantics", "authors": [ "Fausto Barbero" ], "categories": [ "math.LO" ], "abstract": "We prove two (strong) undefinability results for logics based on inquisitive semantics (or its variant, team semantics). Namely: 1) we show the undefinability of intuitionistic implication in extended propositional inquisitive logic with tensor; 2) we show the undefinability of global disjunction in extended propositional dependence logic.", "revisions": [ { "version": "v1", "updated": "2024-07-30T15:03:08.000Z" } ], "analyses": { "subjects": [ "03C80", "03B70", "03B60", "F.4.1" ], "keywords": [ "strong undefinability results", "team semantics", "extended propositional dependence logic", "extended propositional inquisitive logic", "intuitionistic implication" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }