{ "id": "1809.04670", "version": "v1", "published": "2018-09-12T20:56:31.000Z", "updated": "2018-09-12T20:56:31.000Z", "title": "Undecidability of $\\mathbb Q^{(2)}$", "authors": [ "Carlos Martinez-Ranero", "Javier Utreras", "Carlos R. Videla" ], "categories": [ "math.LO" ], "abstract": "It is shown that the compositum $ \\mathbb Q^{(2)}$ of all degree 2 extensions of $\\mathbb Q$ has undecidable theory.", "revisions": [ { "version": "v1", "updated": "2018-09-12T20:56:31.000Z" } ], "analyses": { "keywords": [ "undecidability", "compositum" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }