Article ID: CBB000932588

La question de Blaise de Parme sur le contact entre une sphère et un plan (2009)


This article contains a critical edition and a French translation of the question Utrum spericum tangit planum in puncto by Blasius of Parma (1416). These two parts are preceded by a historical and doctrinal introduction. The question of whether a sphere touches a plane surface in one point only, which had originally emerged in the context of a passage in Aristotle's Treatise on the Soul, had become an independent issue in thirteenth century. The text edited in this article is the seventh question of Blasius' commentary on the first book of the Treatise in the Soul, which was however transmitted separately in an Oxford manuscript. Blasius of Parma there investigates the status of objects such as the point, the line and the plane, and analyses the possibility of a contact between a sphere and a plane, intertwining logical, physical and mathematical arguments. In his own answer to the problem, he distinguishes between a mathematical and physical point of view.

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Authors & Contributors
Rashed, Roshdi
Moyon, Marc
Rozza, Nicoletta
Lorenat, Jemma
Vitrac, Bernard
Suhayl: Journal for the History of the Exact and Natural Sciences in Islamic Civilisation
Arabic Sciences and Philosophy
Micrologus: Nature, Sciences and Medieval Societies
Sciamvs: Sources and Commentaries in Exact Sciences
Revue d'Histoire des Sciences
Walter de Gruyter
Verlag der Bayerischen Akademie der Wissenschaften
Presses Universitaires de France
Fundació Bernat Metge
Brepols Publishers
Arab/Islamic world, civilization and culture
Solid geometry
Latin language
Leonardo da Pisa
al-Samaw'al, Abū Naṣr ibn Yaḥyā, al-Maghribī
Steiner, Jakob
Time Periods
12th century
3rd century
19th century
Mediterranean region

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