Though the Gaonic tradition, especially in its North African version, formed the basis of his legal thought, some scholars have argued in the 21st century that Muslim law, including Almohad legal thought, also had a substantial influence.
Meskipun pengaruh tradisi Gaonic, khususnya versi Afrika Utara, membentuk dasar-dasar pemikirannya dalam bidang hukum, sejumlah pakar baru-baru ini berargumen bahwa Hukum Islam, termasuk pemikiran hukum Almohad, telah mempengaruhinya secara mendasar.