The Caliph and The Debate  During the Fatimid dynasty, there was a caliph, i.e. king, called Al-Mu'iz Li Din-Illah the Fatimid. Al-Mu’iz used to hold literary gatherings and was interested in debates on religion. He used to rally the religious leaders of the Muslims, Christians and Jews and let them debate in his presence, and directed that this should be carried out with neither…