Ptolemaeus Arabus et Latinus

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Work C.2.1

Gerard of Cremona
Commentary on the Quadripartitum

A lemmatic commentary on Quadripartitum III.10, dealing with the directions and the length of life, in Plato of Tivoli’s translation (A.1.2). This commentary is extant as a continuous and stand-alone text in a single manuscript (Oxford, BL, Digby 57), but it also occurs, in part or in full, as marginal glosses in nine copies of the Quadripartitum in Plato’s translation (Brussels, BR, 18678-18681, f. 82r-84r; Cambrai, BM, 955, f. 92v-99v; Cesena, BCM, Plut. S.XXVII.3, f. 82r-84r; Paris, BnF, lat. 7302, f. 51v-62v (where the glosses have been inserted into the text); Pommersfelden, GSB, 60, f. 78r-88v; Salamanca, BU, 2051, f. 48r-49v; Vatican, BAV, Pal. lat. 1420, f. 20v-22v; Vatican, BAV, Reg. lat. 1285, f. 123r-126r; and Vatican, BAV, Vat. lat. 7616, f. 26r-29v). The text is anonymous, but the opening ‘Sensus huius litere’, as well as the style and modus operandi of the exposition are distinctive of Gerard of Cremona’s commentaries. The nine above-mentioned manuscripts contain many more glosses, also clearly by Gerard of Cremona, which altogether cover most of the Quadripartitum, but it is unclear whether Gerard produced a continuous and stand-alone commentary on the complete text, as he did for the Almagest (C.1.3). The same kind of glosses also occur in several manuscripts of the Centiloquium in Plato of Tivoli’s translation (see B.1.2, Note 5).


‘(Oxford, BL, Digby 57) Capitulum 10. De spatio vite. Sensus huius litere est quod vita continuatur et durat per loca plegiorum (!) et per planetas eadem loca disponentes, id est in eisdem locis maiorem dignitatem habentes — complexionis eiusdem hominis.’


S. Falk, ‘Understanding the Length of Life: The Glosses on Plato of Tivoli’s Translation of the Quadripartitum’ (forthcoming); S. Georges, Sensus huius littere. Gerard of Cremona’s Translation of Ptolemy’s Almagest and How It Was Glossed in Space and Time (forthcoming).


Critical edition and English translation by Falk.


Oxford, BL, Digby 57, s. XIV, f. 165r-171rImages