Van Fraassen does not argue that everyone should be a constructive empiricist. He claims only that constructive empiricism (CE) is a coherent post-positivist alternative to realism, notwithstanding the realist's charge that CE is arbitrary and irrational. He does argue, however, that the empiricist is obliged to limit belief as CE prescribes. Criticism of CE has been largely directed at van Fraassen's claim that CE is a coherent option. Far less attention has been directed at his claim that empiricists should be constructive empiricists. I consider his various attempts to support this claim, conclude that they are unsuccessful, and suggest that the empiricist who repudiates CE does not thereby abandon contemporary empiricism itself.
Knowledge closure is, roughly, the following claim:For every agent S and propositions P and Q, if S knows P, knows that P implies Q, and believes Q because it is so implied, then S knows Q.Almost every epistemologist believes that closure is true. Indeed, they often believe that it so obviously true that any theory implying its denial is thereby refuted. Some prominent epistemologists have nevertheless denied it, most famously Fred Dretske and Robert Nozick. There are closure advocates who see other virtues in those accounts, however, and so who introduce revisions of one sort or another in order to preserve closure while maintaining their spirit. One popular approach is to replace the "sensitivity" constraint at the heart of both of those accounts with a "safety" constraint, as advocated by Timothy Williamson, Duncan Pritchard, Ernest Sosa, Stephen Luper, and others. The purpose of this essay is to show that this approach does not succeed: safety does not save closure. And neither does a popular variation on the safety theme, the safe-basis or safe-indicator account.
Faced with interminable combat over some piece of philosophical terrain, someone will inevitably suggest that the contested ground is nothing more than a philosophically manufactured mirage that is therefore not worth fighting for. Arthur Fine has long advocated such a response — the ‘Natural Ontological Attitude,’ or NOA — to the realism debate in the philosophy of science. Notwithstanding the prima facie incompatibility between the realist's and anti-realist's positions, Fine suggests that there is in fact enough common ground for NOA to stand on its own as a minimal alternative, one that enjoys the advantage of being free of the philosophical burdens of its overweight contenders.Notwithstanding Fine's claim to have identified a position that is neither realist nor anti-realist, critics charge that NOA, as Fine describes it, is a realist position. I endorse this criticism below, with attention to the relation between NOA and Bas van Fraassen's Constructive Empiricism (CE). I show that Fine's repudiation of the globalism he identifies in realism (and in anti-realism) does not insulate him from that charge.
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