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Data (Greek: Δεδομένα, Dedomena) is a work by Euclid. It deals with the nature and implications of "given" information in geometrical problems. The subject matter is closely related to the first four books of Euclid's Elements. The book contains 15 definitions and 94 propositions.
The Data of Euclid, trans. from the text of Menge by George L. McDowell and Merle A. Sokolik, Baltimore: Union Square Press, 1993 (ISBN0-9635924-1-6)
The Medieval Latin Translation of the Data of Euclid, translated by Shuntaro Ito, Tokyo University Press, 1980 and Birkhauser, 1998. (ISBN3-7643-3005-8)
