THE ANALYTIC OF PURE PRACTICAL REASON.
OF THE PRINCIPLES OF PURE PRACTICAL REASON.
PRACTICAL PRINCIPLES are propositions which contain a general determination of the will, having under it several practical rules. They are subjective, or Maxims, when the condition is regarded by the subject as valid only for his own will, but are objective, or practical laws, when the condition is recognised as objective, that is, valid for the will of every rational being.
Supposing that pure reason contains in itself a practical motive (126), that is, one adequate to determine the will, then there are practical laws; otherwise all practical principles will be mere maxims. In case the will of a rational being is pathologically affected, there may occur a conflict of the maxims with the practical laws recognised by itself. For example, one may make it his maxim to let no injury pass unrevenged, and yet he may see that this is not a practical law, but only his own maxim; that, on the contrary, regarded as being in one and the same maxim a rule for the will of every rational being, it must contradict itself. In natural philosophy the principles of what happens (e.g.