Gallow, J D. (2014). How to learn from theory-dependent evidence; or commutativity and holism: A solution for conditionalizers. The British Journal for the Philosophy of Science,65(3), 493-519. United Kingdom: Oxford University Press. Retrieved from https://doi.org/10.1093/bjps/axs045
Weisberg () provides an argument that neither conditionalization nor Jeffrey conditionalization is capable of accommodating the holist’s claim that beliefs acquired directly from experience can suffer undercutting defeat. I diagnose this failure as stemming from the fact that neither conditionalization nor Jeffrey conditionalization give any advice about how to rationally respond to theory-dependent evidence, and I propose a novel updating procedure that does tell us how to respond to evidence like this. This holistic updating rule yields conditionalization as a special case in which our evidence is entirely theory independent.
Dianoia Institute of Philosophy
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