Greek alphabet from which the later standard Greek alphabet emerged. Athens used a local form of the "light blue" alphabet type until the end of the fifth century BC, which lacked the letters Ξ and Ψ as well as the vowel symbols Η and Ω. In the Old Attic alphabet, stood for and for . was used for all three sounds (correspondinɡ to classical respectively), and was used for all of (corresponding to classical respectively). The letter (heta) was used for the consonant . Some variant local letter forms were also characteristic of Athenian writing, some of which were shared with the
Seventh Letter was any letter from them to Plato, he says. Nevertheless, the "Seventh Letter" has recently been argued to be spurious by prominent scholars such as Malcolm Schofield, Myles Burnyeat, George Boas, Terence Irwin, and Julia Annas. According to Annas, the "Seventh Letter" is "such an unconvincing production that its acceptance by many scholars is best seen as indicating the strength of their desire to find, behind the detachment of the dialogues, something, no matter what, to which Plato is straightforwardly committed." The "Seventh Letter" touches upon a variety of themes, not always in an organized fashion. This article follows Bury