Argument. Appreciation! Argument-Criticism: The "Aesthetics" of Informal Logic

What rational foundation underlies argument-critical judgements? What are the canons of argument criticism and how are they to be "justified"? This paper explores an analogy between art- and argument-criticism and argues that the analogy promises not only to illuminate the nature of argument criticism and capture the central goals of instruction in informal logic, but also to resolve fundamental problems at the foundations of normative theory of argument concerning the "justification" of standards of reasoning