{ "id": "math/9606227", "version": "v1", "published": "1996-06-15T00:00:00.000Z", "updated": "1996-06-15T00:00:00.000Z", "title": "The distributivity numbers of of P(om) /fin and its square", "authors": [ "Saharon Shelah", "Otmar Spinas" ], "categories": [ "math.LO" ], "abstract": "We show that in a model obtained by forcing with a countable support iteration of length omega_2 of Mathias forcing h(2), the distributivity number of r.o.(P(omega)/fin)^2, is omega_1 but h, the one of P(omega)/fin, is omega_2.", "revisions": [ { "version": "v1", "updated": "1996-06-15T00:00:00.000Z" } ], "analyses": { "keywords": [ "distributivity number", "countable support iteration" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1996math......6227S" } } }