Hume vs. Kant: The Roles of Reason and Sentiment in Moral Ju

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             Another philosopher named Immanuel Kant provided a well thought-out argument on his views of the roles of reason and sentiment in the foundation of moral judgments. Kant strongly felt that the foundation of moral judgment was based on the role of reason. In Foundations of the Metaphysics of Morals Kant goes through different philosophies on the topic of moral law beginning with the idea of logic. This idea explained how empirical could not be in logic philosophy because it only had rational reasoning which could give you necessity. It was then viewed as necessary truths=reason=a priori. Kant then brought up the argument that a proposition of synthetic as a priori is that its truth is based on reason and not experience. .
             In the first section of the book Kant starts of with the concept of duty and then the concept of practical reason. In the third section of Foundations of the Metaphysics of Morals he generates a third principle of the foundation of moral judgments. This was the principle of the universal maxim, which stated that for an action to be moral it must be able to apply universally; that is to all people in all places at all times in all circumstances. At first, Kant said that the categorical imperative was a synthetic a priori when he asked how was it possible to have freedom. With this, Kant used the philosophical explanation of correlation and agreed with Hume's theory of causation. However, it was incomprehensible of reason alone being a cause. Kant also figured out that freedom interests us because of its value to us. Later he decided that it must be the absolute necessity of an unconditional practical law that would "cease to be moral and would no longer be the supreme law of freedom"(Kantp.81-82). .
             The philosophical views and arguments of David Hume on the roles of reason and sentiment can also be looked at with the concern of the motivation of action in general.