Anselm's ontological argument

The ontological argument is a priori as it is not based on experience or observation, it is known prior to experience. It is not deductive as it is not probabilistic but gives a certain conclusion. It is also analytical as its truth depends on the meaning of God including something about God’s existence.

Anselm was a philosopher who created his version of the ontological argument in his book Proslogion 2 by responding to Psalm 14. His main argument is developed on the definition of God being ‘that than which nothing greater can be conceived’ thus meaning it is impossible to think of anything greater than God. He states that the fool who said there is no God in Psalm 14…