{ "id": "1206.3920", "version": "v1", "published": "2012-06-18T13:20:59.000Z", "updated": "2012-06-18T13:20:59.000Z", "title": "The problem of Horn and Tarski", "authors": [ "Egbert Thümmel" ], "categories": [ "math.LO" ], "abstract": "In 1948 A. Horn and A. Tarski asked whether the notions of a \\sigma-finite cc and a \\sigma-bounded cc ordering are equivalent. We give a negative answer to this question.", "revisions": [ { "version": "v1", "updated": "2012-06-18T13:20:59.000Z" } ], "analyses": { "subjects": [ "03E05", "06A07", "06E10" ], "keywords": [ "equivalent", "negative answer" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1206.3920T" } } }