Who is Rationalising? On an Overlooked Problem for Kant’s Moral Psychology and Method of Ethics

Kantian Journal 41 (1):7-39 (2022)
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I critically examine the plausibility of Kant’s conception of rationalising, a form of self-deception that plays a crucial role for Kant’s moral psychology and his conception of the functions of critical practical philosophy. The main problem I see with Kant’s conception is that there are no theory-independent criteria to determine whether an exercise of rational capacities constitutes rationalising. Kant believes that rationalising is wide-spread and he charges the popular philosophers and other ethical theorists with rationalising. Yet, his opponents could, in turn, charge him with rationalising and some theorists, namely Act-Consequentialists, seem to be in an even stronger position to charge Kant with rationalising than vice versa. In response, I propose standards that do not assume a specific normative theory and that become apparent when we look at clear-cut abuses of rationality. These standards of minimally decent reasoning can help us diagnose rationalising. I develop these standards by looking at inadequate uses of rational capacities that should strike us as problematic regardless of the specific ethical theory we adopt. I emphasise that even an abuse of rational capacities can yield true results and that we can never tell from a single judgement that someone rationalises. Rather, we must look for patterns.



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References found in this work

Anarchy, State, and Utopia.Robert Nozick - 1974 - New York: Basic Books.
Groundwork for the metaphysics of morals.Immanuel Kant - 1785 - New York: Oxford University Press. Edited by Thomas E. Hill & Arnulf Zweig.
Ethics without principles.Jonathan Dancy - 2004 - New York: Oxford University Press.
The metaphysics of morals.Immanuel Kant - 1797/1996 - New York: Cambridge University Press. Edited by Mary J. Gregor.
Critique of Practical Reason.Immanuel Kant (ed.) - 1788 - New York,: Hackett Publishing Company.

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