Group virtue epistemology

Jesper Kallestrup

Research output: Contribution to journalArticlepeer-review


According to Sosa (2007; 2009; 2011), knowledge is apt belief, where a belief is apt when accurate because adroit (competent). Sosa (2010; 2015) adds to his triple-A analysis of knowledge, a triple-S analysis of competence, where a complete competence combines its seat, shape and situation. Much of Sosa’s influential work assumes that epistemic agents are individuals who acquire knowledge when they hit the truth through exercising their own individual skills in appropriate shapes and situations. This paper explores an extension of Sosa’s framework to a social setting in which groups constitute epistemic agents over and above their individual members. The claim is that groups can be ascribed knowledge in virtue of hitting the truth through exercising their competences in appropriate shapes and situations. While knowledge at the collective level may diverge from knowledge at the individual level, the competences of groups are nothing over and above the combined competences of their members. The ensuing view thus has implications for the debate over reduction and supervenience in collective epistemology.
Original languageEnglish
Number of pages25
Early online date6 Oct 2016
Publication statusE-pub ahead of print - 6 Oct 2016


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  • Extended Knowledge

    Pritchard, D., Clark, A., Kallestrup, J., Carter, J. A. & Palermos, S. O.



    Project: Research

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