Alex Worsnip

Is Hobbes a normative egoist? That is: does Hobbes think that an agent’s normative reasons are all grounded in her own good? A once-dominant tradition of Hobbes scholarship answers ‘yes’. In an important recent work, however, S.A. Lloyd has argued that the answer to the question is ‘no’, and built an alternative non-egoistic interpretation of Hobbes that stresses reciprocity and mutual justifiability. My aim in this paper is to articulate and defend an original ‘middle way’ interpretation of Hobbes which steers a course between an excessively egoistic and what we might call an excessively ‘moralistic’ interpretation. According to the interpretation I defend, our obligations have their source in self-interest in the sense that they are all self-assumed results of covenants, our reasons for making which are solely self-interested. But the obligations that result from such covenants can sometimes require us to act against our self-interest.

For many epistemologists, and for many philosophers more broadly, it is axiomatic that rationality requires you to take the doxastic attitudes that your evidence supports. Yet there is also another current in our talk about rationality. On this usage, rationality is a matter of the right kind of coherence between one's mental attitudes. Surprisingly little work in epistemology is explicitly devoted to answering the question of how these two currents of talk are related. But many implicitly assume that evidence -responsiveness guarantees coherence, so that the rational impermissibility of incoherence will just fall out of the putative requirement to take the attitudes that one's evidence supports, and so that coherence requirements do not need to be theorized in their own right, apart from evidential reasons. In this paper, I argue that this is a mistake, since coherence and evidence -responsiveness can in fact come into conflict. More specifically, I argue that in cases of misleading higher-order evidence, there can be a conflict between believing what one's evidence supports and satisfying a requirement that I call “inter-level coherence ”. This illustrates why coherence requirements and evidential reasons must be separated and theorized separately.

The independence of irrelevant alternatives is a popular and important axiom of decision theory. It states, roughly, that one’s choice from a set of options should not be influenced by the addition or removal of further, unchosen options. In recent debates, a number of authors have given putative counterexamples to it, involving intuitively rational agents who violate IIA. Generally speaking, however, these counterexamples do not tend to move IIA’s proponents. Their strategy tends to be to individuate the options that the agent faces differently, so that the case no longer counts as a violation of IIA. In this paper, we examine whether this strategy succeeds. We argue that the ways of individuating options required to save IIA from the most problematic counterexamples—in particular, cases where agents violate IIA due to nonconsequentialist moral beliefs—do so only at the expense of severely compromising its central function within decision theory