Peter Graham is a contemporary analytic epistemologist known for his work on testimony, epistemic justification, and social epistemology. He has developed influential accounts of how testimonial knowledge is transmitted through chains of speakers and the normative conditions under which testimony generates justified belief. His research engages broadly with questions about the social dimensions of knowledge acquisition.
Developed accounts of testimonial justification and the transmission of epistemic warrant through testimony chains
Contributed to social epistemology by analyzing the normative structure of testimony-based belief
Engaged with debates on reductionism vs. anti-reductionism about testimonial justification
Authored work on the relationship between perception, memory, and testimony as epistemic sources
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