Bryan Frances

In epistemology the nagging voice of the sceptic has always been present, whispering that 'You can't know that you have hands, or just about anything else, because for all you know your whole life is a dream.' Philosophers have recently devised ingenious ways to argue against and silence this voice, but Bryan Frances now presents a highly original argument template for generating new kinds of radical scepticism, ones that hold even if all the clever anti-sceptical fixes defeat the traditional sceptic. Sharp, witty, and fun to read, Scepticism Comes Alive will be highly provocative for anyone interested in knowledge and its limits.

When you learn that a large body of highly intelligent, fair-minded, reasonable, and relatively unbiased thinkers disagree with you, does that give you good reason to think you’re wrong? Should you think, “Wait a minute. Maybe I’ve missed something here”? Should you at least drastically reduce your confidence? There is a general epistemological problem here regarding controversial beliefs, one that has nothing especially to do with religious belief. I argue that applying this discussion to religion transforms the problem in unexpected and interesting ways, and that the religious believer is often epistemically reasonable in sticking with her controversial belief.

"In this book, Michael Huemer and Bryan Frances debate whether - and how - we can gain knowledge of the world outside of our own minds. Starting with opening statements, the debate moves through two rounds of replies. Frances argues that we lack knowledge because, for example, we cannot rule out the possibility that we are brains in vats being artificially stimulated in such a way as to create an illusion of living in the real world. Huemer disagrees that we need evidence against such possibilities in order to gain knowledge of the external world, maintaining instead that we are entitled to presume that things are as they appear unless and until we acquire specific grounds for thinking otherwise. The authors go on to discuss how one should think about controversial issues wherein the experts persistently disagree. Frances argues that we should generally withhold judgment about such issues, or at least greatly reduce our confidence. Huemer agrees that people are often overconfident about controversial issues but tries to carve out exceptions wherein one can rationally hold on to controversial views. Accessible whilst also detailed and substantial, this thoughtful debate is suitable for readers at all levels – from those encountering the topic for the first time through to those deeply familiar with the issues."

Many theorists have contended that since the mind depends on the brain, the contents of our thoughts are determined by just the intrinsic physical properties of our bodies. In the first part of my dissertation I examine this theory's negation, anti-individualism, by investigating the "Twin-Earth" thought experiments of Putnam and Burge. Although anti-individualism has recently become widely accepted, I argue that none of the arguments given thus far are sound; nor has the theory been given a proper formulation. I also argue that no one has articulated an interesting and true version of externalism, the related idea that if one is thinking, for example, that water is wet, then one's environment has certain empirical features . However, I then proceed to present a true version of externalism and a sound argument for a version of anti-individualism. ;In the past few years many theorists have argued that the Twin-Earth arguments, if they prove anything, have stunning implications: they refute physicalism, scepticism, authoritative self-knowledge, and the causal construal of psychological explanation; and they show that the contents of our thoughts that are appealed to in ordinary psychological explanation are not the contents captured by the sentences we use in those explanations. I attempt to refute all these arguments. ;In the second part of the dissertation I argue against the thesis that thought and action tokens exist and are, at bottom, physical entities. Roughly put, one of the main premises of the main argument is that if an action token has a physical makeup then there cannot be radically incompatible but equally plausible proposals regarding what that makeup is; but since there are such proposals, the tokens have no physical makeup. I then formulate a naturalist but nonphysicalist view of mental tokens