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Arabus et Latinus

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Work C.1.31

Theon of Alexandria
Commentary on the Almagest

Content A commentary on the Almagest mixing three Greek sources: Theon of Alexandria for Books I-II, IV and VI-IX; Nicolaus Cabasilas for Book III; and Pappus of Alexandria for Book V.

Bibl. A. Rome, ‘The Calculation of an Eclipse of the Sun according to Theon of Alexandria’, Proceedings of the international congress of mathematicians, Providence, 1950, 209-219; A. Tihon, ‘Le Livre V retrouvé du Commentaire à l’Almageste de Théon d’Alexandrie’, L’Antiquité Classique 55 (1987), pp. 201-218; A. Jones, ‘Theon of Alexandria’s Observation of the Solar Eclipse of A.D. 364 June 16’, Journal for the History of Astronomy 43 (2012), pp. 117-118; J. Christianidis, I. Skoura, ‘Solving Problems by Algebra in late Antiquity: New Evidence from an Unpublished Fragment of Theon’s Commentary on the Almagest’, SCIAMVS 14 (2013), 41-57; J. M. Steele, ‘The Eclipse of Theon and Earth’s Rotation’, in New Insights From Recent Studies in Historical Astronomy: Following in the Footsteps of F. Richard Stephenson, eds W. Orchiston, D. A. Green, R. Strom, Heidelberg-New York, 2015, 47-51.

Ed. The Greek text was first published by Simon Grynaeus and Joachim Camerarius in Basel in 1538, as second part to Ptolemy’s Almagest, on the basis of a MS which belonged to Regiomontanus (Nürnberg, SB, Cent. V App. 8). Critical edition by A. Rome, Commentaires de Pappus et de Théon d’Alexandrie sur l’Almageste, Vaticano, 1931-1943, 3 vols. An older edition of Books I-II, together with a French translation was made by N. Halma, Commentaire de Théon d’Alexandrie sur le premier livre de la composition mathématique de Ptolémée, Paris, 1821; N. Halma, Commentaire de Théon d’Alexandrie sur le second livre de la composition mathématique de Ptolémée, Paris, 1821.

Latin translations