Abstract

Moral rationalism, the belief that acting contra a moral requirement is always irrational, is a strong claim; if true, seems to greatly reduce in scope the number of plausible moral theories due to what has been called the demandingness objection. One response to this consequence of moral rationalism has been to adopt moral anti-rationalism. Dale Dorsey thinks one can escape the demandingess objection with a weak form of anti-rationalism that still grants morality pride of place among normative systems. In this paper I’ll argue that the demandingness objection is a formidable challenge to moral rationalism, and that Dorsey is correct in arguing that his weak anti-rationalism neatly offers a way to evade the objection. I’ll maintain, however, that weak anti-rationalism opens theories up to another powerful objection, the permissiveness objection, which ought to lead someone comfortable abandoning moral rationalism to abandon weak anti-rationalism as well, accepting moral anti-rationalism.