Abd Allah al-Qaysi

Abu Muhammad Abd Allah bin Muhammad bin Qasim bin Hilal bin Yazid bin 'Imran al-'Absi al-Qaysi () masanin shari'a ne kuma masanin tauhidi.Al-Humaydī, Jadhwat al-Muqtabis, vol. 2, entry #418.

 Rayuwa 
An haife shi a Islama ta Spain, Ibn Qasim ya koma Iraki na ɗan lokaci, kuma ya yi karatu a ƙarƙashin Dawud al-Zahiri . Ya bar makarantar Malikite na shari'a Musulmi zuwa reshen Zahirite, kuma Christopher Melchert ya dauke shi a matsayin Zahirite na farko a yankin.The Islamic school of law - evolution, devolution, and progress, pg. 118. Eds. Rudolph Peters and Frank E. Vogel. Cambridge: Harvard Law School, 2005. Ibn Qasim ya kwafe littattafan malaminsa da hannu kuma yana da alhakin yada su a duk faɗin Al-Andalus.

Ibn Qasim ya mutu a shekara ta 272 a kalandar Islama, wanda ya dace da 885 ko 886 a Kalandar Gregorian.

Daga baya lauyan Zahirite Ibn Hazm ya lissafa shi kamar yadda ya kasance, tare da Ruwaym, Ibn al-Mughallis da Mundhir bin Sa'īd al-Ballūṭī, ɗaya daga cikin manyan masu goyon bayan makaranta Zahirite ta dokar Islama.  Ibn Hazm, wanda shi ma ya kasance zakara na farko na makarantar, ya sake farfado da kokarin Ibn Qasim;  a baya Zahirites kamar Balluti sun riƙe ra'ayoyinsu ga kansu. Mohammad Sharif Khan and Mohammad Anwar Saleem, Muslim Philosophy And Philosophers, pg. 35. New Delhi: Ashish Publishing House, 1994.</ref>Bilal Orfali, "In the Shadow of Arabic: The Centrality of Language to Arab Culture." Pg. 34. Brill Publishers, 2011. Print.William Montgomery Watt and Pierre Cachi, "History of Islamic Spain," pg. 66. Edinburgh University Press.

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