Marcelo Cabral

Political life in many contemporary democracies is marked by the persistence of seemingly implausible political claims, often confidently asserted and defended by their proponents as evidentially grounded. Standard approaches in political epistemology typically respond to such cases by denying that these attitudes are genuine beliefs, or by arguing that, whatever their psychological status, they are not governed by epistemic norms. This paper develops an alternative framework. I propose two desiderata for an adequate account of outlandish political attitudes: first, that at least some of them are genuine beliefs; second, that they are, in an important sense, responsive to epistemic reasons. Drawing on Anne Schwenkenbecher’s account of collective epistemic reasons, I argue that political epistemic communities can generate additional epistemic support from weak, individually insufficient reasons. Through testimonial pooling, structured trust, and higher-order beliefs about communal endorsement and reliability, these communities generate epistemic support that sustains confidence in implausible political propositions. I show how this mechanism helps explain both the sincerity and the resilience of such beliefs, while also illuminating the epistemic pathologies of polarized political communities. The result is an account that preserves the centrality of epistemic normativity without denying the social and communal dimensions of political belief formation.

This paper investigates the concept of epistemic community. Despite its frequent usage, the term lacks a clear and unified characterization. I argue that epistemic communities are essential to understanding how individuals form justified beliefs in contexts of epistemic dependence. Through an extensive review of prominent theorists, I demonstrate that epistemic communities are often used to ground trust, justify testimony, and structure the distribution of epistemic resources and norms. I propose a functional definition: an epistemic community is a group that shares epistemic norms and resources through networks of epistemic dependence. These communities range from local, tight-knit groups to diffuse, societal structures, and can confer either epistemic value or distortion. I show that epistemic communities are not just descriptive units but normative forces in belief formation