(a.), Pentadists is the name applied to a doctrinal current, rather than a specific sect, among the S̲h̲īʿī extremists ( g̲h̲ulāt ) which espoused the divinity of the five members of the ahl al-kisāʾ [ q.v.], Muḥammad, ʿAlī, Fāṭima, al-Ḥasan and al-Ḥusayn. The ismāʿīlī Abū Ḥātim al-Rāzī (d. 322/945-5) defines the Muk̲h̲ammisa as those who considered the five members of the pentad as equal in rank and as embodying a single divine spirit. Representative of this type of pentadist doctrine is the Umm al-Kitāb preserved by the Ismāʿīlī community in Badak̲h̲s̲h…