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The Cosmological Argument is a classical argument for the existence of God. It attempts to show that the world that we live in must have a first cause, which is identified as God. St.Thomas Aquinas designed his argument to convince us that there is one un

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The Cosmological Argument. The Cosmological argument is a classical argument for the existence of God. It attempts to show that the world that we live in must have a first cause, which is identified as God. St.Thomas Aquinas designed his argument to convince us that there is one uncaused necessary and perfect being - God. Aquinas presents his cosmological argument in the first three ways of his 'Five Ways' (Summa Theologicae). This essay will determine just how successful Aquinas proves the existence of God. The first of Aquinas' three ways was motion or change. According to Aquinas, in the world there are things that are in motion and whatever is moving must have been moved by something else. Whatever caused these things to move must itself be most significant and important. Then Aquinas states that this chain of motion cannot go back to infinity, their must have been a cause at the beginning. This cause of change or motion was not caused to change by anything. ...read more.


There are many views from philosophers that give sufficient reason to believe Aquinas first of his three ways to justify the existence of God and there is sufficient evidence to reject his theory. Aquinas' second way to prove the existence of God is cause. He observed that nothing can be caused by itself as this would have to mean it had to exist before it existed. This was a logical impossibility, however Aquinas rejected an infinite series of causes and believed that their must have been a first, uncaused cause. This first cause started the chain of causes that have caused all events to happen. The first cause was God. It seems that Aquinas, in this argument contradicts himself. He states that everything appears to require a cause, but then there is an exception to this rule-God. This therefore is no logical, when reading this argument I find myself asking the question; why cannot God have been caused? Modern science again challenges Aquinas' argument. Subatomic physics states that particle have been observed to disappear and appear without any apparent cause. ...read more.


Russell observed that just because a child has a mother that doesn't mean that the universe had to have a mother. As, Russell stated, 'I should say that the universe is just there and that's all'. Also Leibniz criticises Aquinas' second way of the uncaused causer. 'Suppose the book of the elements of geometry to have been eternal, one copy having been written down from an earlier one. Even thought there is a reason for the present book out of the past one their will never be a full reason. If you suppose the world eternal, you will suppose nothing but a succession of states and you will not find in any of them a sufficient reason.' Leibniz also rejected that their was an infinite universe as he believed that the evidence for this was unsatisfactory. It is evident to me from studying the cosmological argument and the critics of it that St.Thomas Aquinas does not give sufficient evidence for his argument and that science objects to his theory. In two of Aquinas' ways modern science actually proves his argument wrong. Therefore it seems that Aquinas' argument for the existence of God is quite weak and unsatisfactory. ...read more.

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