From Non-Usability to Non-Factualism

Holly Smith has done more than anyone to explore and defend the importance of usability for moral theories. In Making Morality Work, she develops a theory that is almost universally usable. But not quite. this article, I argue no usable, in sense most immediately relevant action, even by agents who know all normative facts.1 There knowledge which suffices settle deliberation about what do. However, unsurprising if question do fact. One upshot discussion that, contra (341), are radically uncertain need lack autonomy.2 What ought we when (or ignorant) do? It does help be told whatever true theoretical account good bad, right wrong – prescribes palpable cannot such situation. Even knew was act utilitarianism, say might belief as (non-morally characterized) counted its lights. order must satisfy Guidance Adequacy, according ‘for every occasion decision, there an appropriate [rule] can directly used agent making decision on occasion’ (234). The way make wrong, usable supplement it with calls guides (DGs).