Individual Representation in a Community of Knowledge

Published on August 31, 2019

An individual’s knowledge is collective in at least two senses: it often comes from other people’s testimony, and its deployment in reasoning and action requires accuracy underwritten by other people’s knowledge. What must one know to participate in a collective knowledge system? Here, we marshal evidence that individuals retain detailed causal information for a few domains and coarse causal models embedding markers indicating that these details are available elsewhere (others’ heads or the physical world) for most domains.

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