The Critique of Practical Reason

Kant's exploration of moral philosophy in this work builds upon his earlier ideas in the Critique of Pure Reason. Published in 1788, it delves into the foundations of ethics and the principles guiding human action. The text emphasizes the importance of reason in moral decision-making and introduces the concept of the categorical imperative, which serves as a central tenet of his ethical framework. This critique significantly influences modern moral philosophy and highlights the relationship between reason and morality.