What do Perelman and Olbrechts-Tyteca mean by their concept of the "universal audience," and why is it important to their theory of argument?

Question

Quizplus · Accepted Answer

The Answer is Perelman and Olbrechts-Tyteca saw the "universal audience" as a test of arguments that transcended local or personal biases. Their theory of argument was concerned with non-scientific and non-theistic reasoning for values, and thus audience became central. The "universal audience" then was a check for conscientious rhetors to test their arguments beyond the opinions and values of their immediate audience.

What Do Perelman and Olbrechts-Tyteca Mean by Their Concept of the "Universal