De Gradibus

De Gradibus was an Arabic book published by the Arab physician Al-Kindi (c. 801–873 CE). De gradibus is the Latinized name of the book. An alternative name for the book was Quia Primos.^[1]

In De Gradibus, Al-Kindi attempts to apply mathematics to pharmacology by quantifying the strength of drugs. According to Prioreschi, this was the first attempt at serious quantification in medicine.^[2] He also developed a system, based on the phases of the Moon, that would allow a doctor to determine in advance the most critical days of a patient's illness.^[3] During the Arabic-Latin translation movement of the 12th century, De Gradibus was translated into Latin by Gerard of Cremona.^[1] Al-Kindi's mathematical reasoning was complex and hard to follow; Roger Bacon commented that his method of computing the strength of a drug was extremely difficult to use.^[2]

References

1 2 p. 19, "Al-Kindi, A Precursor Of The Scientific Revolution", Plinio Prioreschi, Journal of the International Society for the History of Islamic Medicine 1, #2 (October 2002), pp. 17–19.
1 2 p. 18, Prioreschi 2002.
↑ (incomplete citation) Klein-Franke, p. 172

Medicine in the medieval Islamic world

Physicians

7th century	Al-Harith ibn Kalada and his son Abu Hafsa Yazid Bukhtishu Masarjawaih Ibn Abi Ramtha al-Tamimi Rufaida Al-Aslamia Ibn Uthal

8th century	Bukhtishu family Ja'far al-Sadiq

9th century	Ali al-Ridha Albubather Bukhtishu family Jabril ibn Bukhtishu Jābir ibn Hayyān Hunayn ibn Ishaq and his son Yahya ibn Sarafyun Al-Kindi Masawaiyh Shapur ibn Sahl Ali ibn Sahl Rabban al-Tabari Al-Ruhawi Yuhanna ibn Bukhtishu Salmawaih ibn Bunan

10th century	Qusta ibn Luqa Abu ul-Ala Shirazi Abul Hasan al-Tabari Al-Natili Qumri Abu Zayd al-Balkhi Isaac Israeli ben Solomon 'Ali ibn al-'Abbas al-Majusi Abu Sahl 'Isa ibn Yahya al-Masihi Muvaffak Muhammad ibn Zakariya al-Razi Ibn Juljul Al-Tamimi, the physician Abu al-Qasim al-Zahrawi Ibn al-Jazzar Al-Kaŝkarī Ibn Abi al-Ashʿath Ibn al-Batriq Ibrahim ibn Baks

11th century	Abu 'Ubayd al-Juzjani Ibn al-Haytham Al-Biruni Ali ibn Ridwan Avicenna Ephraim ibn al-Za'faran Ibn al-Wafid Abdollah ibn Bukhtishu Ibn Butlan Ibn al-Kattani Ibn Jazla Masawaih al-Mardini Ali ibn Yusuf al-Ilaqi Ibn Al-Thahabi Ibn Abi Sadiq Ali ibn Isa al-Kahhal

12th century	Abu al-Bayan ibn al-Mudawwar Ahmad ibn Farrokh Ibn Hubal Zayn al-Din Gorgani Maimonides Serapion the Younger Ibn Zuhr Ya'qub ibn Ishaq al-Israili Abu Jafar ibn Harun al-Turjali Averroes Ibn Tufail Al-Ghafiqi Ibn Abi al-Hakam Abu'l-Barakāt al-Baghdādī Al-Samawal al-Maghribi Ibn al-Tilmīdh Ibn Jumay‘

13th century	Sa'ad al-Dawla Al-Shahrazuri Rashidun al-Suri Amin al-Din Rashid al-Din Vatvat Abraham ben Moses ben Maimon Da'ud Abu al-Fadl Al-Dakhwar Ibn Abi Usaibia Joseph ben Judah of Ceuta Abd al-Latif al-Baghdadi (medieval writer) Ibn al-Nafis Zakariya al-Qazwini Najib ad-Din-e-Samarqandi Qutb al-Din al-Shirazi Ibn al-Quff

14th century	Muhammad ibn Mahmud Amuli Al-Nagawri Aqsara'i Zayn-e-Attar Mansur ibn Ilyas Jaghmini Mas‘ud ibn Muhammad Sijzi Najm al-Din Mahmud ibn Ilyas al-Shirazi Nakhshabi Sadid al-Din al-Kazaruni Yusuf ibn Ismail al-Kutubi Ibn al-Khatib Rashid-al-Din Hamadani

15th century	Abu Sa'id al-Afif Muhammad Ali Astarabadi Husayni Isfahani Burhan-ud-din Kermani Şerafeddin Sabuncuoğlu Muhammad ibn Yusuf al-Harawi Nurbakhshi Shaykh Muhammad ibn Thaleb

16th century	Hakim-e-Gilani Abul Qasim ibn Mohammed al-Ghassani Taqi ad-Din Muhammad ibn Ma'ruf Dawud al-Antaki

Concepts

Works

Centers

Influences

Ancient Greek medicine

Influenced

Mathematics in medieval Islam

Mathematicians
(Works)

9th century	'Abd al-Hamīd ibn Turk Sind ibn Ali Al-Abbās ibn Said al-Jawharī Al-Ḥajjāj ibn Yūsuf ibn Maṭar Al-Kindi De Gradibus Al-Mahani Banū Mūsā Hunayn ibn Ishaq al-Khwārizmī The Compendious Book on Calculation by Completion and Balancing ibn Qurra Na'im ibn Musa Sahl ibn Bishr Habash al-Hasib al-Marwazi

10th century	Abd al-Rahman al-Sufi Book of Fixed Stars al-Būzjānī Abū Ja'far al-Khāzin Abū Kāmil Shujāʿ ibn Aslam Abu'l-Hasan al-Uqlidisi Abu-Mahmud Khojandi Ahmad ibn Yusuf Al-Nayrizi Al-Saghani Brethren of Purity Ibn Sahl Ibn Yunus Ibrahim ibn Sinan Muhammad ibn Jābir al-Harrānī al-Battānī Sinan ibn Thabit Al-Isfahani Nazif ibn Yumn Abū Sahl al-Qūhī

11th century	Abū Ishāq Ibrāhīm al-Zarqālī Abu Nasr Mansur Abū Rayḥān al-Bīrūnī Ibn al-Haytham / Alhazen Book of Optics Ibn Muʿādh al-Jayyānī Al-Karaji Al-Sijzi Alī ibn Ahmad al-Nasawī Avicenna The Book of Healing Ibn Tahir al-Baghdadi Kushyar ibn Labban Yusuf al-Mu'taman ibn Hud

12th century	Al-Khazini Ibn Yahyā al-Maghribī al-Samaw'al Omar Khayyám Jabir ibn Aflah Abu Bakr al-Hassar

13th century	Muhyi al-Dīn al-Maghribī Nasīr al-Dīn al-Tūsī Zij-i Ilkhani Shams al-Dīn al-Samarqandī Sharaf al-Dīn al-Tūsī Ibn al‐Ha'im al‐Ishbili Ibn Abi al-Shukr

14th century	Yaʿīsh ibn Ibrāhīm al-Umawī Ibn al-Banna' al-Marrakushi Ibn al-Shatir Kamāl al-Dīn Fārisī Al-Khalili Qotb al-Din Shirazi Ahmad al-Qalqashandi

15th century	Abū al-Ḥasan ibn ʿAlī al-Qalaṣādī Ali Qushji Jamshīd al-Kāshī Qāḍī Zāda al-Rūmī Ulugh Beg Ibn al-Majdi

16th century	Al-Birjandi Muhammad Baqir Yazdi Taqi al-Din Ibn Hamza al-Maghribi Ibn Ghazi al-Miknasi

Other treatises

Almanac
Encyclopedia of the Brethren of Purity
Tables of Toledo
Tabula Rogeriana
Zij
Zij-i-Sultani

Concepts

Centers

Influences

Influenced

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