to do. This objective morality can only arise, according to Kant, from the supreme being and he uses his moral argument to prove the existence of God in terms of using 'practical reason' that is, reason concerning what we ought to do as opposed to what we know. However, he claims that this argument only holds firm if we use 'practical' reason to demonstrate it and that the moral argument could not possibly hold firm in the realm of theoretical reason and this, Kant states, is were many theories for the existence of God have gon wrong, e.g. the Ontological argument, the Cosmological argument, the Physicoteleological argument etc. In this essay I will be examining Kant's notion that the moral argument only works within the framework of practical reason and not within the framework of theoretical reason. I will first try and point out some important distinctions between theoretical and practical reason that are relative to the question and then go on to discuss exactly why the moral argument, according to Kant, would not work within the framework of theoretical reason by discovering what Kant means by his claim and going on to discover what repercussions of this statement, whether positive or negative, occur.
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