Full Idea
If a complex or a syllable has no parts and is a single identity, hasn't it turned out to be the same kind of thing as an element or letter?
Clarification
He is talking about the syllables of a word being made up from its composite letters
Gist of Idea
If a word has no parts and has a single identity, it turns out to be the same kind of thing as a letter
Source
Plato (Theaetetus [c.364 BCE], 205d)
Book Reference
Plato: 'Theaetetus', ed/tr. Waterfield,Robin [Penguin 1987], p.122