In each of Plato’s “dialogues of definition” (Euthyphro, Laches, Meno, Charmides, Lysis, Republic I, Hippias Major), Socrates motivates philosophical discussion by posing a question of the form “What is F-ness?” Yet these dialogues are notorious for coming up empty. Socrates’ interlocutors repeatedly fail to deliver satisfactory answers. Thus, the dialogues of definition are often considered negative— empty of any positive philosophical content. Justin C. Clark resists the negative reading, arguing that the dialogues of definition contain positive “Socratic”...