Kitāb fī annahu iḏā waqaʿa ḫaṭṭ mustaqīm ʿalỳ ḫaṭṭayn mustaqīmayn fa-ṣayyara al-zāwiyatayn allatayn fī jihaẗ wāḥidaẗ aqall min qāʾimatayn fa-inna al-ḫaṭṭayn iltaqayā iḏā uḫrijā fī tilka al-jihāẗ

TEXT

Kitāb fī annahu idhā waqaʿa khaṭṭ mustaqīm ʿalá khaṭṭayn mustaqīmayn fa-ṣayyara al-zāwiyatayn allatayn fī jihah wāḥidah aqall min qāʾimatayn fa-inna al-khaṭṭayn iltaqayā idhā ukhrijā fī tilka al-jihāh

Title (arabic)	كتاب في أنه إذا وقع خطّ مستقيم على خطّين مستقيمين فصيّر الزاويتين اللتين في جهة واحدة أقل من قائمتين فإن الخطّين التقيا إذا أخرجا في تلك الجهة
Title (translit)	Kitāb fī annahu idhā waqaʿa khaṭṭ mustaqīm ʿalá khaṭṭayn mustaqīmayn fa-ṣayyara al-zāwiyatayn allatayn fī jihah wāḥidah aqall min qāʾimatayn fa-inna al-khaṭṭayn iltaqayā idhā ukhrijā fī tilka al-jihāh
Alias	Kitāb fī annahu iḏā waqaʿa ḫaṭṭ mustaqīm ʿalỳ ḫaṭṭayn mustaqīmayn fa-ṣayyara al-zāwiyatayn allatayn fī jihaẗ wāḥidaẗ aqall min qāʾimatayn fa-inna al-ḫaṭṭayn iltaqayā iḏā uḫrijā fī tilka al-jihāẗ Maqālaẗ fī burhān al-muṣādiraẗ al-mašhūraẗ min Uqlīdis Maqālaẗ fī burhān al-muṣādiraẗ al-mašhūraẗ min Uqlīdis
Author	Abū al-Ḥasan Thābit ibn Qurrah al-Ḥarrānī al-Ṣābiʾ
Language	Arabic
Subject	Geometry: General
ismi_id	97161

Manuscript Witnesses

3 witnesses:

Kitāb fī annahu idhā waqaʿa khaṭṭ mustaqīm ʿalá khaṭṭayn mustaqīmayn fa-ṣayyara al-zāwiyatayn allatayn fī jihah wāḥidah aqall min qāʾimatayn fa-inna al-khaṭṭayn iltaqayā idhā ukhrijā fī tilka al-jihāh_Cairo_Dār al-kutub_Muṣṭafā Fāḍil riyāḍa_40

Kitāb fī annahu idhā waqaʿa khaṭṭ mustaqīm ʿalá khaṭṭayn mustaqīmayn fa-ṣayyara al-zāwiyatayn allatayn fī jihah wāḥidah aqall min qāʾimatayn fa-inna al-khaṭṭayn iltaqayā idhā ukhrijā fī tilka al-jihāh_Istanbul_Süleymaniye Manuscript Library_Ayasofya_4832

Literature References

Rozenfeld, Boris, and Ekmeleddin İhsanoğlu. 2003. Mathematicians, Astronomers and Other Scholars of Islamic Civilisation and Their Works (7th-19th c.). Istanbul: Research Centre for Islamic History, Art, and Culture.

P. 51 (no. 103), M17.

Rozenfeld, Boris. 1988. A History of Non-Euclidean Geometry: Evolution of the Concept of a Geometric Space. New York: Springer.

Pp. 49-51.

Jaouiche, Khalil. 1986. La Théorie Des parallèles En Pays d’Islam: Contribution À La préhistoire Des géométries Non-Euclidiennes. Paris: J. Vrin.

Pp. 45-49, 145-49.

Rozenfeld, Boris, and et al, eds. 1984. Matematicheskie Traktati. Nauchnoye Nasledstvo. Vol. 8. Moscow.

Pp. 68-70, 334.

Sabra, Abdelhamid. 1968. “Thābit Ibn Qurra on Euclid’s Parallels Postulate”. Journal of the Warburg and Courtauld Institutes 31: 12-32.