Pezzini's study builds up a substantial claim about Romans' understanding of the verb "to be" through detailed analysis of its orthographic, phonological, semantic and syntactic aspects in the plays of the Roman comic dramatist, Terence ... Pezzini's argument is technical but ... lucid enough for a non-expert to follow. It leads him persuasively to the conclusion that Latin speakers distinguished between meanings of "to be" in strong, existential or locational senses, and weaker, auxiliary or copula senses.