3. With the praenomen Claudius, a Greek grammarian, who, according to Suidas (s. v. Δίδυμος), wrote upon the mistakes committed by Thucydides against analogy, and a work on Analogy among the Romans. He further made an epitome of the works of Heracleon, and some other works. A fragment of his epitome is preserved in Stobaeus. (Serm. 101; comp. Lersch, Die Sprachphilos. der Alten, pp. 74, 143, &c.)