Explain the Development of the Ontological Argument

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Explain the development of the Ontological Argument

The Ontological Argument was constructed differently to arguments such as, the Cosmological Argument and the Teleological Argument. Whilst, these two were developed through revelation by drawing conclusions from observing external factors. The Ontological Argument was brought together through reason, this is the process of drawing conclusions through the mind’s logic.
The Ontological Argument was based on the idea that we can prove the existence of God using our reason alone, therefore using a priori knowledge. According to the Ontological Argument, the definition of God is “that then which nothing greater can be conceived”. This is a logical tautology, meaning it is true by definition.

The key figure that created this definition was St. Anselm of Canterbury whose essential claim was that “existence is a predicate of God”, which is an intrinsic quality of God’s nature. It should be noted that in the historical context that the Ontological Argument was written, the idea of God was a given. It would be incredibly rare to find a medieval scholar who did not believe in God.
St. Anselm presented this argument in his works, Proslogion. This started from a theistic stance, it was an argument in response to Psalms 14 and 53. These biblical teachings began as “The Fool says to himself ‘There is no God,”. Although, this argument may appear to be attempting to convert, it is actually a “faith seeking understanding” argument. The majority of Anselm’s audience were theists.

The first part of his argument was concerned with proving God’s existence. He began with the definition “God is that then which nothing greater can be conceived” (Id quo nihil maius potest). From this definition, he a...

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...ceived”. The idea of God not existing is not possible as mountains must have valleys. This conclusion is better explained through his line of argument that “the mind cannot conceive of perfection without also conceiving of existence”.

In conclusion, although Descartes and Anselm’s arguments were produced in two different periods; they follow the same line of thinking. Through a priori knowledge and reason, they have drawn the conclusion that God exists. The fundamental part of the Ontological Argument is that, we are able to prove God’s existence because we are able to believe it so. The Ontological Argument does not look at designs in the physical universe, but at our mind’s logic that had led to the belief that God exists in reality. “God is that then which nothing greater can be conceived” – God is greater than anything that exists in both reality and thought.

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