Examine the Key Features of the Cosmological Argument for the Existence of God (21 Marks)

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The cosmological argument has several different forms and seeks to prove the existence of an external necessary being which caused the universe to come into existence. This external agent according to the cosmological argument is God. It is an a posterior argument meaning it is based on our experience of the universe around us. Plato and Aristotle were the first to postulate views on the idea that the universe could not exist without a mover. They both argued that the fact of motion needs a prior agency to motivate it and this mover itself would not need a further mover itself as it would be a prime mover, a necessary being. Aristotle said ‘the series must start with something since nothing can come from nothing’. Plato identified many different types of motion such a growth and decay so he argued that the power to produce motion is prior to the power to receive motion and pass it on, therefore there must be a first cause which itself is uncaused and is the origin of that movement. Aristotle separate the prime mover from the material world stating it must be good, perfect, non-spatial and eternal. A prime mover such as this could not fit in an ordinary chain of material causes. In Christianity this prime mover is deemed as God. The most famous Christian application of this argument comes from St Thomas Aquinas who in his book ‘Summa Theologica’ (published in 1917). Aquinas came up with Five Ways, three of which apply to the cosmological argument: The Unmoved Mover, The Uncaused Causer and Necessity and Contingency. The first way is The Unmoved Mover, Aquinas considered the way in which objects move or grow or change in state. He noticed that things stay the same unless another force acts upon the object which causes them to change or move, ‘…whatever is in motion must be put in motion by another.’ Aquinas denied infinite regress as he thought that one thing
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