The Existence of God has been argued through a philosophical argument.
Existence . Ontology is the philosophical study of the nature of being , existence or reality in general , as well as of the basic categories of being and their relations . Existence of God . A wide variety of arguments for and against the existence of God can be categorized as metaphysical , logical , empirical , or subjective . In philosophical terms , the question of the existence of God involves the disciplines of epistemology ( the nature and scope of knowledge ) and ontology ( study of the nature of being , existence , or reality ) and the theory of value ( since some definitions of God include `` perfection '' ) . Other arguments for the existence of God have been proposed by St. Anselm , who formulated the first ontological argument ; Ibn Rushd ( Averroes ) and Thomas Aquinas , who presented their own versions of the cosmological argument ( the kalam argument and the first way , respectively ) ; René Descartes , who said that the existence of a benevolent God is logically necessary for the evidence of the senses to be meaningful ; and Immanuel Kant , who argued that the existence of God can be deduced from the existence of good . God . Many notable philosophers have developed arguments for and against the existence of God .