T he goal of this essay is to present an argument for the unity of Isocrates' l speech Antidosis which takes into account its complexity. Isocrates recognized the unusual nature of the discourse he was creating and talked explicitly about its complexity and the need for the reader's careful attention. To argue for the unity, or cohesion, of the speech, I will examine Isocratean notions of unity specifically, especially in the use of stylistic terminology related to mixtures. Then I shall examine how these ideas fall in with ideas of unity more generally in Greek composition. After examining these approaches, we can then look at the progress within the Antidosis and its particular sense of cohesion on both structural and thematic levels. The two levels of structure and theme are intimately related, and thus will need to be treated together. In attending to the issues proposed, I hope to set out some ideas on how Isocrates perceives unity to function, how notions of unity are affected by the rhetorical situation, how multiple ideas can be unified in one discourse, and finally how this discourse can demonstrate Isocratean methods of rhetorical composition. The speech presents an important example of the possibilities of expanding discourse to serve multiple functions. As such, the speech and its mixed unities can be relevant to ideas about the discourse of modem times as well as ancient. About 354/3 BC Isocrates created the fiction of defending himself before a jury in his speech known as the Antidosis. The speech responds to an actual antidosis procedure in which Isocrates had been asked to finance from his private estate a public expense known as a liturgy. Through this rather elaborate antidosis procedure, an Athenian citizen who was asked to finance a liturgy could request that another citizen take over that burden if the latter were more financially capable. The latter then had the option to finance the liturgy or exchange estates. If the challenged person refused the two options, the issue would go to a court (MacDowell 162-4). This antidosis procedure, as a question of one's private estate, would be handled as a private case (MacDowell 58). That is, this was a private dispute between two individuals. But when Isocrates found himself in such a situation, being asked to take on someone else's liturgy, this private litigation also raised the question of his history of public service. Isocrates defended his willingness to take on liturgies (15.5, 15.158),1 but he saw the charge as a broader attack on his public life and as evidence of confusion or envy on the part of most Athenians. He states in the opening of the Antidosis: