of Salvation') survives only in an incomplete form. In it, al-Sijistani gives a summary of the Isma'ili doctrine (). According to Walker, these can be summarized as "faith in God, His angels, His books, His emissaries, the last day, salvation after death, and paradise and hellfire". Its Arabic text was published by Muhtadi Mustafa Ghalib in 2002 (Salamiyya, Dar al-Ghadir). An English translation is part of a 1983 doctoral dissertation by M. Alibhai (Abu Ya'qub al-Sijistānī and Kitab Sullam al-Najāt: A Study in Islamic Neoplatonism, Harvard University). Epistles The epistle expounding on Isma'ili doctrine was published by Arif Tamir in and reprinted since in in March/April 1967, and in Tamir's . The epistle was published by Boustan Hirji in 1992 (, Vol. 7), with a Persian-language translation by Abdallah Nurani. An English-language translation was published as part of B. Hirji's doctoral thesis A Study of al-Risālah al-Bāhirah (McGill University, 1994). References Sources External links Abu Ya‘qub al-Sijistani at the Internet Encyclopedia of Philosophy 10th-century executions 10th-century Iranian philosophers 10th-century Ismailis Neoplatonists Year of birth unknown Year of death unknown Iranian Ismailis Executed Iranian people Ismaili theologians Ismaili da'is