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Abu Muhammad Abd Allah bin Muhammad bin Qasim bin Hilal bin Yazid bin 'Imran al-'Absi al-Qaysi was an early Muslim jurist and theologian.[1]

Abd Allah al-Qaysi
Died885 or 886
Senior posting


Having been born in Islamic Spain, Ibn Qasim moved to Iraq for a time, studying directly under Dawud al-Zahiri. He ended up leaving the Malikite rite of Muslim jurisprudence for the Zahirite branch, and was considered by Christopher Melchert to be the first Zahirite in the region.[2] Ibn Qasim copied his teacher's books by hand and was responsible for spreading them throughout Al-Andalus.

Ibn Qasim died in the year 272 on the Islamic calendar, corresponding to 885 or 886 on the Gregorian calendar.[3]

He was listed by later Zahirite jurist Ibn Hazm as having been, along with Ruwaym, Ibn al-Mughallis and Mundhir bin Sa'īd al-Ballūṭī, one of the primary proponents of the Zahirite school of Islamic law.[3] Ibn Hazm, who was also an early champion of the school, was essentially reviving Ibn Qasim's efforts;[4] earlier Zahirites such as Balluti kept their views to themselves.[5][6][7]


  1. ^ Al-Humaydī, Jadhwat al-Muqtabis, vol. 2, entry #418.
  2. ^ The Islamic school of law - evolution, devolution, and progress, pg. 118. Eds. Rudolph Peters and Frank E. Vogel. Cambridge: Harvard Law School, 2005.
  3. ^ a b Samir Kaddouri, "Refutations of Ibn Hazm by Maliki Authors from al-Andalus and North Africa." Taken from Ibn Hazm of Cordoba: The Life and Works of a Controversial Thinker, pg. 541. Eds. Camilla Adang, Maribel Fierro and Sabine Schmidtke. Leiden: Brill Publishers, 2013. ISBN 9789004243101
  4. ^ S. M. Imamuddin, Muslim Spain 711-1492 A.D.: A Sociological Study pg. 156. Leiden: Brill Publishers, 1981.
  5. ^ Mohammad Sharif Khan and Mohammad Anwar Saleem, Muslim Philosophy And Philosophers, pg. 35. New Delhi: Ashish Publishing House, 1994.
  6. ^ Bilal Orfali, "In the Shadow of Arabic: The Centrality of Language to Arab Culture." Pg. 34. Brill Publishers, 2011. Print.
  7. ^ William Montgomery Watt and Pierre Cachi, "History of Islamic Spain," pg. 66. Edinburgh University Press.