How Iranian claimants use theology and philosophy to strengthen the authority of the Fatimid Imamate

One of the most important activities of the central core of the invitation, including writing works in theology-theology-philosophy-jurisprudence with emphasis on the idea of ​​the central Imamate as the principles of religion, analyzes and proves the legitimacy of the text of the Fatimid Imamate. At this stage, the Iranian da'is, as agents of the caliphate ideology, tried to compile theological-philosophical works to explain the construction of the Fatimid religious-political power through theoretical activity. Relying on Shiite teachings and familiar with philosophy and wisdom, and using verses and hadiths, Iranian da'is and thinkers played a significant role in propagating and preaching the charismatic sovereignty of the Fatimid Imam-Caliph. The efforts of the da'is in the Fatimid court were a combination of science and religion, and through them they sought to prove and scientifically explain the authority of the Fatimid Imamate over the opponents and rivals, so that da'is such as Kermani, Sajestani, Al-Muayyid Shirazi, Naser Khosrow, etc., according to the political situation. - The religious of their time wanted to strengthen the political-religious power of the Fatimid Caliphate against the opponents and rivals, as Abu Ya'qub Sajestani analyzed and interpreted the Fatimid Imamate through the method of rational and scientific analysis.