Lackey, Jennfer. Testimonial knowledge and transmission
1999, Philosophical Quarterly 50 (197): 471-490.
Added by: Jie Gao
Abstract: We often talk about knowledge being transmitted via testimony. This suggests a picture of testimony with striking similarities to memory. For instance, it is often assumed that neither is a generative source of knowledge: while the former transmits knowledge from one speaker to another, the latter preserves beliefs from one time to another. These considerations give rise to a stronger and a weaker thesis regarding the transmission of testimonial knowledge. The stronger thesis is that each speaker in a chain of testimonial transmission must know that p in order to pass this knowledge to a hearer. The weaker thesis is that at least the first speaker must know that p in order for any hearer in the chain to come to know that p via testimony. I argue that both theses are false, and hence testimony, unlike memory, can be a generative source of knowledge.
Comment: This is a very good introductory paper on testimonial knowledge and debates between reductivists and non-reductivists. Note that it requires preliminary knowledge on JTB theory.
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