Branch of philosophy that studies key metaphysical and epistemological concepts, principles, and problems of religion.
Topics considered include the existence and nature of God, the possibility of knowledge of God, human freedom (the free will problem ), immortality, and the problems of moral and natural evil and suffering. Natural theology is the attempt to establish knowledge of God without dependence on revelation. Traditional arguments for the existence of God include the ontological argument , the cosmological argument , and the argument from design .