Frontloading, Supposition, and Contraction

Philosophical Quarterly 66 (264):559-578 (2016)
In Constructing the World, Chalmers observes that our knowledge exceeds the core evidence provided by our senses and introspection. Thus, on the basis of core evidence, one also can know (S) that water covers the majority of the Earth. This knowledge, Chalmers suggests, requires a great deal of apriori knowledge. Chalmers argues that even if one suspends belief in one’s core evidence, one can nevertheless reason from a description of this evidence to an ordinary claim such as S. Chalmers concludes that the ordinary claim must be apriori entailed by a description of the core evidence. However, I propose that careful thinking about belief suspension reveals that empirical information can contaminate the reasoning from the core evidence to the ordinary claim S, even if belief in the core evidence is suspended. One result is that empiricists and externalists may freely appeal to thought experiments without having to concede that there are substantive apriori truths.
Keywords Chalmers  Quine  Epistemology  A priori Knowledge
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DOI 10.1093/pq/pqv112
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References found in this work BETA
Constructing the World.David Chalmers - 2012 - Oxford University Press.
Two Dogmas of Empiricism.Willard V. O. Quine - 1951 - Philosophical Review 60 (1):20–43.
What Conditional Probability Could Not Be.Alan Hájek - 2003 - Synthese 137 (3):273--323.

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