In 1973 Donald Davidson published an influential paper claiming, nuances aside, that the idea of cognitive relativism—with truth relative to particular conceptual schemes—was incoherent. Davidson’s argument hinges on his rejection of what he calls “The third dogma of empiricism”, namely, that we can meaningfully distinguish conceptual schemes from an uninterpreted reality—taken as “a neutral ground” or “coordinate system”—by means of which we could compare and contrast differing conceptual schemes. He says: