Citations:triskaidecalogy


 * 2007–10, Davida Fischman and Shawnee McMurran, “Shearing with Euclid”, chapter 7 in Mathematical Time Capsules: Historical Modules for the Mathematics Classroom, ed. Dick Jardine and Amy Shell-Gellasch, (2010), ISBN 9780883851876 (print), ISBN 9780883859841 (electronic), § 2.2: ‘Euclid’s Proof of the Pythagorean Theorem’, page 47:
 * The Pythagorean Theorem appears as the penultimate proposition in Book I of Euclid’s Elements. The theorem, along with its converse, Propostion I-48, present a climactic scene in the first book of Euclid’s ingenious geometric triskaidecalogy.