Abstract
Nowadays Kant's practical philosophy is as highly regarded as his theoretical philosophy. This is an important development since the more constructive side of Kant's philosophy is to be found in his moral and political works. The main task of the Critique of Pure Reason is to clarify its concepts and to get rid of basic errors, and thus only ‘negative’. The moral and political writings, on the other hand, try to expand the scope of reason ‘for practical purposes’ . Establishing principles of moral and political conduct, their main objective is not negative, but constructive