The materials are not the same as the instructor's notes for the class and are thus not designed to represent the full exposition or logic of the class.
Materials are subject to revision as the instructor finalizes preparation for the relevant class.
Even in the simplest poem their mediation is not positive and direct. Or to move closer still to poetry by considering the temporal arts, the structure of a poem resembles that of a ballet or musical composition. It is a pattern of resolutions and balances and harmonizations developed through a temporal scheme. Or to move still closer to poetry, the structure of a poem resembles that of a play. . . . An argument which admits of alteration in order that it may receive a meter must be partly indeterminate.