Abstract

The first part of this essay argues that the specification of rationality operating in Manifest Rationality does not allow for the inclusion of the dialectical tier as a necessary component of a rational product. It next considers Perelman's conception of "reasonableness" as an alternative to Johnson's structural sense of rationality. Adopting a contextually rich conception of rationality, like that of Perelman, allows Johnson to insist that a rational product must consist of both an illative core and a dialectical tier