كتاب تحرير اصول لاوقليدس من تاليف خوجه نصير الدين الطوسي.

Al-Tusi's work is not a translation of Euclid's Elements, but a rewriting, based on older Arabic translations. This edition circulated in two forms, a larger and a smaller. The larger is said to survive in Florence only (Pal. 272 and 313, the latter Ms. containing only six Books). The Medici family