PAL

Ptolemaeus Arabus et Latinus

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Work C.1.29

Anonymous
على الشكل الرابع من تاسعة المجسطي للعرضي
ʿAlā l-shakl al-rābiʿ min tāsiʿat al-Majisṭī 〈li-l-ʿUrḍī〉

This is an abridged version of a short note on the fourth figure in Chapter IX.6 of Ptolemy’s Almagest. For the original version, see C.1.20. Two witnesses in Oxford contain this slightly abbreviated version and do not mention al-ʿUrḍī as the author. As is the case for other treatises in these two manuscripts, this abbreviation may very well go back to Quṭb al-Dīn al-Shīrāzī.

Text: [Oxford, BL, Thurston 3]

[Incipit] (108v) على الشكل الرابع من تاسعة المجسطي. ليكن الخطّ المارّ بالمراكز ابجد وا مركز البروج وب للمعدّل وج للمدير ونخرج بد به يحيطان مع جب بزاويتين متساويتين. [Explicit] (108v) ولأنّ ل م قائمتان وبد به متساويان فيلزم تساوي ال ام وزانيتا دال هام. وذلك ما أردناه.

Bibl.: GAS VIFuat Sezgin, Geschichte des arabischen Schrifttums. Vol. VI: Astronomie bis ca. 430 H., Leiden: Brill, 1978, p. 94 (no. 31g) and p. 292 (Nachtrag zu S. 94).

Ed.: None.

MSS