For what it's worth, Aristotle was the first to make this division of the three 'modes of persuasion' or pisteis, at Rhetoric 1.2: http://www.perseus.tufts.ed

For what it's worth, Aristotle was the first to make this division of the three 'modes of persuasion' or pisteis, at Rhetoric 1.2: http://www.perseus.tufts.edu/hopper/text.jsp?doc=Aristot.+Rh.+1.2&fromdoc=Perseus%3Atext%3A1999.01.0060 http://www.perseus.tufts.edu/hopper/text.jsp?doc=Aristot.+Rh... Or at least, this passage is the earliest attested formulation of this sort. Aristotle may have been codifying a system developed by others.