... an infinite regression we assume a first cause exists. The third of Aquinas' 'five ways' is that everything in the natural order is contingent, that is, it might not have existed or it might have existed in a different way. There is proof for this as we can see that there was a time when any given thing did not exist, e.g. humans did not exist during the Jurassic age. But if everything in the natural order were contingent there would have been a time when the natural order as a whole did not exist, and it could have not come into existence without a cause whose existence was necessary. This, says Aquinas, is God. In this essay I shall analyse the first cause argument and the argument from contingency. The unmoved mover argument is in effect the same as the first cause argument and for this reason I will ...

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