Avicenna’s cosmological argument from the contingency of the world contrasts with another major type of argument for God’s existence in Islamic natural theology, one that aims to demonstrate the existence of God from the beginning of the world in time. Al-Ghazali (1056-1111), in The Incoherence of the Philosophers, develops this type of argument in two steps. The first aims to establish, against a prominent Aristotelian tradition, that the world is not eternal but has a beginning in time. The se