The theory of pragmatic encroachment states that the risks associated with being wrong, or the practical stakes, can make a difference to whether one’s evidence is good enough to justify belief. While still far from the orthodox view, it has garnered enough popularity that it is worth exploring the implications when we apply the theory of pragmatic encroachment to group epistemology, specifically to the justificatory status of the beliefs of group agents. When we do, I claim, we discover two novel cases of divergence; cases where a group epistemic agent is justified in believing but none of the members are, and vice versa. Using Jennifer Lackey’s influential Group Epistemic Agent Account as a foil, in particular Lackey’s arguments against previous proposed cases of divergence, the present paper defends the following argument, which I call Pragmatic Encroachment Divergence (PED): (i) Practical stakes make a difference to what an agent (group or individual) is justified in believing. (ii) The practical stakes of a group agent can come apart from the practical stakes of the (operative) members. (iii) Therefore, it is possible for the justified beliefs of a group to diverge from the justified beliefs of its members.
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