The ontological argument is concerned with being it is an a priori argument for the existence of God. That is, it is not dependent on experience but is an argument where all knowledge is derived from the mind. It is also a type of argument that follows reason and not ones senses. The ontological argument is based on words and their meanings. Anselm (1033-1109), was the first philosopher to put forward the ontological argument in a logical form. He was an Italian monk who later became Archbishop of Canterbury. He was a Christian and felt there was a need to put forward an argument to prove the existence of God. His ideas and arguments are proposed in his book The Proslogian.
Anselm´s approach starts by his presentation of a definition of God, "that than which nothing greater can be conceived". This idea of God presents Him as absolutely perfect, a being that cannot be superior in greatness. That is the greatest conceivable being and so He can be thought of. If this statement has been accepted then the next would be "it is greater to exist in reality rather than in just the mind". …
