Khajeh Nasir al-Din Tusi

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Muhammad Ibn Muhammad Tusi, outstanding scholar, known as “Nasir al-Din”, “Khajeh Tusi”, “The master of man”, “the 11th intellect” and “The 3rd master” (1201 - 1247), Mashhad – Iran. He was an astronomer and Shia politician, in 1256 lured the assassin leader Rukn al-Din Khurshah into the hands of the Ilkhan Hulegu, accompanied the latter to Baghdad and founded the observatory of Maragha. He had a strong sympathy with the Twelver Shia, to him a certain degree of mercy was shown during the Mongol holocaust and whose #### sanctuaries were spared. He wrote on dogmatics, logic and philosophy, law and belles – lettres, and above all on the sciences, in particular on astronomy. Khajeh Nasir was fully versed at all the common sciences of his own time: theology, philosophy, mathematics, astronomy and literature. He also wrote some poems in Arabic and Persian. He followed the Peripatetic philosophers (pshilosophers who follow Aristotle) and his own philosophy was based on Avicenna’s.

His masters:
1- Muhammad Ibn Hasan Tusi “his father” (in transmitted sciences)
2- Ibn Meytham Bahrani
3- Muhaghegh Helli
4- Qutb al-Din Mesri
5- Farid al-Din Damad

Students:
1- Qutb al-Din Shirazi
2- Allameh Helli
3- Ibn Fuwati
4- Ibn Heytham Bahrani
5- Seyyed Rukn al-Din Astar Abaadi, etc.

Works:
70 works in Arbaic and Persian have been attributed to him but it is doubtfull that some of them to be written by Khajeh Nasir. The following list are some of his works:
1- Abstraction of beliefs (on theology)
2- Explanation of the book “Isharat” (written by Avicenna, on philosophy)
3- The rules of beliefs (on the principles of beliefs)
4- The Tusi ethics (on ethics and the practical philosophy)
5- The beginning and the end (on the creation and resurrection, in Persian)
6- Almagest (on mathematics)
7- Euclid (on geometry)
8- Abstraction of logic
9- The base of extraction (on logic, in Persian)
10- The Ilkhani astronomical tables (on astronomy)
11- The rules of discussions
12- the 20 sections on the knowledge of astrolabe
13- The treatise remonstrances
14- Abstraction of geometry
15- Proving the essence
16- Proving the intellect
17- The stereoscopic cup (on astronomy, in Persian)
18- Proving the existence of God
19- Treatise “force and free will” (in Persian)
20- On caliphate
21- Treatise on the generations of medicine
22- Treatise on trigonometry
23- The beliefs
24- Treatise on the cause and effect
25- The summary (on theology)
26- Prosody (in Persian)
27- The day and night
28- The moving earth
29- The sunrise and sunset
30- The cones
31- Treatise “al-Jawaher”
32- Cylinder
33- Treatise on arithmetic and algebra
34- Treatise on Imamate
35- Arranging the calendar
36- Treatise on “rainbow”
37- Treatise on the rules and manners of the ancient kings
38- Treatise on geomancy
39- The Muhtashami ethics
40- Explanation of Ptolemy’s work
41- Tazkereh “The memento” (on astronomy)
42- Treatise on exoneration and friendship
43- Nasiriyeh sections (in Persian), etc.

Sources

the biography of Khajeh Nasir -by Taqi Mudarres Razawi

Keywords


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