Explain Anselm’s Ontological Argument

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Explain Anselm’s ontological argument ‘Ontos’ means being or existence in Greek and’ locos’ means rational account, telling us that the ontological argument is a rational account of existence. The ontological argument starts with the concept of God and an a priori definition of God. This means it is based on assumption that something is true. This makes it a deductive argument, meaning it is based on a premise and shown to be logically true. For example, we know all bachelors are single men, john is a bachelor therefore we reason that john is male. Saint Anselm of Canterbury was a Benedictine monk and a philosopher who put forward two views on the ontological argument in the 12th century. The first was written about in the ‘Proslogion’. It’s important to note that Anselm wasn’t writing trying to convert people to Christianity, he wrote it as a prayer in order for Christians to rationalise their faith. It was originally called fides quaerens intellectum (faith seeking understanding). ‘For I do not seek to understand that I believe, but I believe in order to understand’ – Proslogion 1. Anselm defined god as ‘that than which no greater can be conceived’. This is a priori accepted (no evidence). He then goes on to say that it is always greater to exist in reality (in re) than just in the mind (in intellectu). The last part logically concludes that if there is no greater being than God, then God must exist in both the mind and reality. If God was to only exist in in our thoughts and not in reality then we would be able to think of a greater being, e.g. the prime minister because he exists in both reality and our minds. But because it’s impossible to conceive a greater being that God he must exist in both reality and our minds. In Anselm’s view only a fool can therefore doubt the existence of God, because the ‘fool’ has the idea of God in their mind to doubt him,
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