So effective is this system at accomplishing diverse ends that it persists today, having been adapted to writing once literacy became wide spread. The speaker must know the audience well, for different audiences will be receptive to different kinds of evidence. Like all the other parts of Classical Rhetoric, style is often so deeply established that the audience may not even realize a particular style is being used. It entails mastery of theatrical movement, body language, intonation, enunciation, and the other elements of effective public speaking. Return to the top of this page Arrangement Note that these pieces are NOT equal in length and that speeches and writings often exclude some pieces depending on their purposes and audiences.
Artificial inventions rely much more overtly on an audience's opinions and beliefs.
Like inartificial inventions, they also seek to establish truth, but they do so by presenting opinion rather than hard fact. Specifically, much inartificial invention is thought to be a topical invention. Commonplaces are general or reiterated propositions. Drugs are bad. Blondes have more fun.