Preliminary Observations

  • Syed Nomanul Haq
Part of the Boston Studies in the Philosophy of Science book series (BSPS, volume 158)


The Ahjār, whose full title is Kitāb al-Ahjār ‘alā Ra’y Balīnās (Book of Stones According to the Opinion of Balīnās, Kr 307–310), belongs to the Jabirian collection entitled Kutub al-Mawāzīn (Books of Balances, Kr 303–446). It is one of the larger texts of this group of treatises, having been divided by the author into four parts of more or less equal length (al-Juz’ al-Awwal/al-ThānīIal-Thālith /al-Rābi‘). As for the collection itself, Kraus was able to restitute 79 of its titles, out of which 44 are extant (see Kraus [1942–3], I, pp. 75–99). Ibn al-Nadīm mentions only four titles of this collection.


Equal Length Preliminary Observation Sizable Section Critical Edition Substantial Selection 
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Copyright information

© Springer Science+Business Media Dordrecht 1994

Authors and Affiliations

  • Syed Nomanul Haq
    • 1
  1. 1.Center for Middle Eastern StudiesHarvard UniversityUSA

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