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Quṭb ad-Dīn ash-Shīrāzī
Persian scholar
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history of astronomy
- In astronomy: The Islamic world
Al-Ṭūsī’s student al-Shīrāzī went farther, using a minor epicycle to eliminate the need for an equant point. In the 14th century Ibn al-Shāṭir of Damascus built on the works of the Marāgheh school in his Nihāyat al-suʾl fi taṣḥīḥ al-uṣūl (“Final Inquiry Concerning the Rectification of Planetary…
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work with aṭ-Ṭūsī
- In mathematics: Islamic mathematics to the 15th century
…there too that al-Ṭūsī’s pupil Quṭb al-Dīn al-Shīrāzī [1236–1311] and his pupil Kamāl al-Dīn Fārisī, using Ibn al-Haytham’s great work, the Optics, were able to give the first mathematically satisfactory explanation of the rainbow.)
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