 Along with metaepistemological error theory, another notable form of metaepistemological anti-realism that parts ways with realism by denying the very existence of epistemic facts is defended by metaepistemologicalnon-cognitivists (Field 1996, 1998; Heller 1999; Gibbard 2003; Blackburn 1996; Chrisman 2007; Ridge 2007; Ahlstrom-Vij 2013). Versions of this thesis vary in their scope and commitments. One early and influential example of epistemic non-cognitivism is Hartry Field’s non-cognitivism about a priori justification. Field holds that: