Anselm's Proslogion

St Anselm (1033-1109) was an Italian theologian and philosopher and the Archbishop of Canterbury from 1093-1097. He is best known for his work, Proslogion, in which he defends the Church and sets out his philosophy and argument for the existence of God, now known as the Ontological Argument. OA is now a commonly studied subject at schools and universities, yet this critical, original treatise outl...