Kausalität in der Mu'tazilitischen Kosmologie: Das Kitab al-Mu'aththirat wa-mifta? al-muskilat des Zayditen al-?asan ar-Ra??a? (st. 584/1188)

The importance of Zaydī sources for historical research on Muʿtazilī theology is generally acknowledged since the spectacular discoveries of unique manuscripts in Yemen in the 1950s. Yet the knowledge transfer and adoption of Muʿtazilī thought by the Yemeni Zaydiyya still remain an understudied field. Al-Ḥasan ar-Raṣṣāṣ (d. 1188) was one of the main promoters of Muʿtazilism in 6th/12th century Yemen. His works mainly focus on natural philosophy and include a systematic treatise on causality...