Until relatively recently writes Jacob Fareed Imam, what we call Islam today was most often called "Mohammedanism." Islam was understood for centuries as a Christian heresy, a definition that began with St. John of Damascus (d.749) in his work "Heresies" and continued well into modernity. "All great heresies are known by their founders (e.g., Marcionism, Arianism, Nestorianism, … [Read more...] about Not Merely Islam: C.S. Lewis Assesses the Religion of Mohammed