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Author: WikiMatrix
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English[en]
Around 829, he translated Ptolemy's Almagest, which at that time had also been translated by Hunayn Ibn Ishaq and Sahl al-Ṭabarī.
Dutch[nl]
Rond 829 vertaalde hij Almagest van Claudius Ptolemaeus, dat in die tijd al vertaald was door Hunayn ibn Ishaq en Sahl ibn Bishr.