Maqalat al-Islamiyyin
Maqalat al-Islamiyyin wa Ikhtilaf al-Musallin (Arabic: مقالات الإسلاميين واختلاف المصلين, lit. 'The Treatises/Teachings of the Muslims and the Differences of the Prayerful/Worshippers') is one of the main heresiographical works of early Islamic sects written by the Sunni scholar Abu al-Hasan al-Ash'ari (d. 324/935), the eponym of the Ash'ari theological school.