Barnett is a contemporary analytic philosopher working in epistemology, particularly on the nature and transmission of testimonial justification. Their work examines how beliefs justified through testimony can be passed along chains of informants, contributing to debates about the reductive versus non-reductive status of testimonial knowledge.
Defended the transmissibility of testimonial justification across inferential chains
Contributed to debates on the generative versus transmissive models of testimony
Engaged with foundationalist and coherentist accounts as they apply to testimonial belief
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