Rhetorical strategies part ii issue theory and parts of oration. Lecture 6 notes: key terms in classical rhetoric covered by aristotle and ps. -cicero. -some of them started by aristotle but elaborated and developed by other rhetoricians. The topoi teach us where to look for arguments. Issue theory (and its four divisions) -- how to approach a certain issue or problem. The 6 parts of oration provide us with the very structure of oratory. The 5 canons of rhetoric/oratory the requirements for delivering a successful speech. The five canons or officia (duties) of oratory: invention, arrangement, style, memory, and delivery. Inventio is the latin term for invention and discovery ; it is mainly about discovering arguments; about figuring out what to say; -about a good organizational strategy; about the effective arrangement of the various parts of a written or spoken discourse.