{ "id": "1912.12815", "version": "v1", "published": "2019-12-30T05:06:22.000Z", "updated": "2019-12-30T05:06:22.000Z", "title": "Definable MAD families and forcing axioms", "authors": [ "Vera Fischer", "David Schrittesser", "Thilo Weinert" ], "comment": "13 pages", "categories": [ "math.LO" ], "abstract": "We show that under the Bounded Proper Forcing Axiom and an anti-large cardinal assumption, there is a $\\mathbf{\\Pi}^1_2$ MAD family.", "revisions": [ { "version": "v1", "updated": "2019-12-30T05:06:22.000Z" } ], "analyses": { "subjects": [ "03E15", "03E57", "03E55" ], "keywords": [ "definable mad families", "mad family", "anti-large cardinal assumption", "bounded proper forcing axiom" ], "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable" } } }