Spherical geometry studies the sphere not simply as a solid object in itself, but chiefly as the spatial context of the elements which interact on it in a complex three-dimensional arrangement. This compels to establish graphical conventions appropriate for rendering on the same plane---the plane of the diagram itself---the spatial arrangement of the objects under consideration. We will investigate such graphical choices made in the Theodosius' Spherics from antiquity to the Renaissance. Rather than undertaking a minute analysis of every particular element or single variant, we will try to uncover the more general message each author attempted to convey through his particular graphical choices. From this analysis, it emerges that the different kinds of representation are not the result of merely formal requirements but mirror substantial geometrical requirements expressing different ways of interpreting the sphere and testify to different ways of reasoning about the elements that interact on it.
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Book
Theodosius, ;
(2010)
Theodosius, Sphaerica: Arabic and Medieval Latin Translations
Article
Masià-Fornos, Ramon;
(2010)
A “Lacuna” in Proposition 9 of Archimedes' On the Sphere and the Cylinder, Book I
Article
Paul Kunitzsch;
Richard Lorch;
(2018)
Theodosius’ Sphaerica: A Second Arabic Translation
Article
Sidoli, Nathan;
Saito, Ken;
(2009)
The Role of Geometrical Construction in Theodosius's Spherics
Article
Virginia Iommi Echeverría;
(2016)
Copernicus and the Problem of Elemental Proportion in Renaissance Cosmology
Article
Lloyda, D. R.;
(2012)
How Old Are the Platonic Solids?
Book
Euclid, ;
(2001)
Euclide d'Alexandrie. Les Éléments. Traduit du texte de Heiberg, Volume 4, Livres XI-XIII: Géométrie des Solides
Article
Nikolantonakis, Konstantinos;
(2011)
Examen des traités Sur la section du cylindre et Sur la section du cône de Sérénos d'Antinoé à la lumière de la tradition de l'optique géométrique ancienne
Article
Nikolantonakis, Konstantinos;
(2007)
The Treatise “On the Section of a Cylinder” of Serenus of Antinoeia and the Apollonian Tradition
Book
Archimedes, ;
Masià Fornos, Ramon;
(2010)
Sobre l'esfera i el cilindre
Thesis
Noam Andrews;
(2016)
Irregular Bodies: Polyhedral Geometry and Material Culture in Early Modern Germany
Article
Biard, Joël;
Rommevaux, Sabine;
(2009)
La question de Blaise de Parme sur le contact entre une sphère et un plan
Article
Sidoli, Nathan;
Kusuba, Takanori;
(2008)
Naṣir al-Dīn al-Ṭūsī's revision of Theodosius's Spherics
Book
Theodosius, ;
(2011)
Theodosius, De habitationibus: Arabic and Medieval Latin Translations
Book
Apollonius, ;
Rashed, Roshdi;
(2009)
Apollonius de Perge, Coniques: texte grec et arabe
Book
Suppes, Patrick;
Moravcsik, Julius M.;
Mendell, Henry;
(2000)
Ancient & Medieval Traditions in the Exact Sciences: Essays in Memory of Wilbur Knorr
Article
Rashed, Roshdi;
Al-Houjairi, Mohamad;
(2010)
Sur un théorème de géométrie sphérique: Théodose, Ménélaüs, Ibn `Irāq et Ibn Hūd
Book
Rashed Roshdi;
Athanase Papadopoulos;
(2017)
Menelaus' Spherics
Chapter
Mohammad Al-Houjairi;
(2012)
Sur le théorème de Ménélaüs et ses applications dans les Sphériques de l'Istikmāl d'Ibn Hūd
Article
Lorenat, Jemma;
(2012)
Not Set in Stone: Nineteenth-Century Geometrical Constructions and the Malfatti Problem
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