The Philebus contains what may be called a Pythagorean semiotics. That is, the dialogue has a number of embedded references and allusions to central aspects and ideas of Pythagoreanism. These act as signposts to the informed reader/auditor which illuminate certain topics of discussion in the dialogue and furnish a rich subtext which, when properly decoded, imparts a greater degree of sophistication and meaning to the text as a whole. One level of this may be observed in the Pythagorean allusions by themselves, of which there are many. A deeper level of Pythagorean semiotics arguably occurs in the very fabric of the dialogue itself. It has been argued that the Platonic dialogues have been deliberately structured according to a Pythagorean di...