Chapter 17 Vocab Flashcards
ethos
name used by Aristotle for what modern students call credibility
initial credibility
the credibility of a speaker before she or he starts to speak
derived credibility
the credibility of a speaker produced by everything she or he says or does during the speech
terminal credibility
the credibility of a speaker at the end of the speech
logos
name used by Aristotle for logical thinking
what are the two main components of logos
evidence and reasoning
reasoning from specific instances
reasoning that moves from particular fats to a general conclusion
reasoning from principle
reasoning that moves from a general principle to a specific conclusion
causal reasoning
reasoning that seeks to establish the relationship between causes and effects
analogical reasoning
reasoning in which a speaker compares two similar cases and infers that what is true for the first case is also true for the second
fallacy
an error in reasoning
false cause
a fallacy in which a speaker mistakenly assumes that because one event follows another, the first event is the cause of the second
invalid analogy
an analogy in which the two cases being compared are not essentially alike
bandwagon
a fallacy which assumes that because something is popular, it is good, correct, or desirable
red herring
a fallacy that introduces an irrelevant issue to divert attention from the subject under discussion