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Yaʿīsh ibn Ibrāhīm al-Umawī

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Title: Yaʿīsh ibn Ibrāhīm al-Umawī  
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Subject: Muhammad Baqir Yazdi, Na'im ibn Musa, Muhyi al-Dīn al-Maghribī, Ibrahim ibn Sinan, Ibn Ghazi al-Miknasi
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Yaʿīsh ibn Ibrāhīm al-Umawī

Abū ʿAbdallāh Yaʿīsh ibn Ibrāhīm ibn Yūsuf ibn Simāk al-Andalusī al-Umawī (1400? in Al-Andalus – 1489? in Damascus, Syria?) was a 14th-century mathematician.

Works

  • Marasim al-intisab fi'ilm al-hisab ("On arithmetical rules and procedures"), first date written in 1373 and hence the birth date above is controversial.
  • Raf'al-ishkal fi ma'rifat al-ashkal (a work on mensuration).

References

  • Ahmad Salim Saidan (ed.), Yaish ibn Ibrahim al-Umawi, On arithmetical rules and procedures (Aleppo, 1981).
  • .

External links


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