In the same way the theory of rhetoric is concerned not with what seems probable to a given individual like Socrates or Hippias, but with what seems probable to men of a given type; and this is true of dialectic also
shared camp of rhetoric and dialectic
No other of the arts draws opposite conclusions: dialectic and rhetoric alone do this.
the shared domain of rhetoric and dialectic
[1354a] Rhetoric is the counterpart of Dialectic. Both alike are concerned with such things as come, more or less, within the general ken of all men and belong to no definite science.
common among men, and not to science