Media type: E-Article Title: Quadrivium: The Structure of Mathematics as Described in Isidore of Seville’s Etymologies Contributor: Serrano, Isabel M.; Odom, Lucy H.; Suceavă, Bogdan D. imprint: Springer Science and Business Media LLC, 2017 Published in: The Mathematical Intelligencer Language: English DOI: 10.1007/s00283-017-9762-6 ISSN: 0343-6993; 1866-7414 Keywords: History and Philosophy of Science ; General Mathematics Origination: Footnote: