The Almagesti minor, also known as Almagestum parvum, is a summary of the first six books of the Almagest, whose author reorganised the content after the model of Euclid’s Elements and added proofs and further material from Albategni [al-Battānī] and others. The source text for the Almagest is the translation of Gerard of Cremona (A.1.2). The Almagesti minor was composed at an unknown date before 1220. In the manuscripts, the text is anonymous or variously attributed to Albategni, Geber [Jābir ibn Aflaḥ], Campanus of Novara, Albertus Magnus and Thomas Aquinas. Zepeda (The First latin Treatise, 11-18) rejects all these ascriptions and argues that a better candidate is Walter of Lille (possibly identical with Walter of Châtillon), to whom Richard of Fournival attributes the text in his Biblionomia written c. 1250 (‘Galterus de Insulla’). The Almagesti minor gave rise to super-commentaries C.1.7, C.1.12 and C.1.24, and was used a source in commentaries C.1.8, C.1.17 and C.1.21.
In addition to the manuscripts listed below, sections of the Almagesti minor appear as glosses to the Almagest in MS Cracow, BJ, 619.
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F. J. Carmody, Arabic Astronomical and Astrological Sciences in Latin Translation. A Critical Bibliography, Berkeley-Los Angeles, 1956, 164 (no. 2); A. Birkenmajer, ‘La bibliothèque de Richard de Fournival, poète et érudit français du début du XIIIe siècle, et son sort ultérieur’, in A. Birkenmajer, Etudes d’histoire des sciences et de la philosophie du Moyen Age, Wrocław, 1970, 117-210: 142-147; M. Pereira, ‘Campano da Novara autore dell’Almagestum parvum’, Studi Medievali 19 (1978), 769-776; R. Lorch, ‘Some Remarks on the Almagestum parvum’, in Amphora. Festschrift für Hans Wussing zu seinem 65. Geburtstag, eds S. S. Demidov, M. Folkerts et al., Basel-Boston-Berlin, 1992, 407-438 (reprinted in R. Lorch, Arabic Mathematical Sciences. Instruments, Texts, Transmission, Farnham-Burlington, 1995, V); H. Zepeda, The Medieval Latin Transmission of the Menelaus Theorem, PhD dissertation, University of Oklahoma at Norman, 2013, 166-183; H. Zepeda, ‘Euclidization in the Almagestum parvum’, Early Science and Medicine 20 (2015), 48-76; H. Zepeda, The First Latin Treatise on Ptolemy’s Astronomy: The Almagesti minor (c. 1200), Turnhout, 2018; N. M. Swerdlow, ‘The Almagest in the Manner of Euclid’, Journal for the History of Astronomy 52 (2021), 104-107.
Critical edition, translation and commentary by Zepeda, The First Latin Treatise.