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American Catholic Philosophical Quarterly

Volume 89, Issue 2, Spring 2015

Samuel Kahn
Pages 309-332

Is the Final Chapter of the Metaphysics of Morals also the Final Chapter of the Practical Postulates?

In this paper I trace the arc of Kant’s critical stance on the belief in God, beginning with the Critique of Pure Reason (1781) and culminating in the final chapter of the Metaphysics of Morals (1797). I argue that toward the end of his life, Kant changed his views on two important topics. First, despite his stinging criticism of it in the Critique of Pure Reason, by the time of the Metaphysics of Morals, Kant seems to endorse the physico-theological argument. Second, some time around the publication of the Metaphysics of Morals, Kant seems to move away from the argument for the practical postulates.