Claim: The Existence of God has been argued through a philosophical argument.
Evidence: In philosophical terms , the question of the existence of God involves the disciplines of epistemology -LRB- the nature and scope of knowledge -RRB- and ontology -LRB- study of the nature of being , existence , or reality -RRB- and the theory of value -LRB- since some definitions of God include `` perfection '' -RRB-.
Many notable philosophers have developed arguments for and against the existence of God.