L 8 - 10 - 11 Flashcards
define the perfect argument
- meet appropriate logical norm ( validity or inductive force)
- convince someone previously neutral
- by using fully rational means
what are fallacies?
imperfect arguments
list 3 types of fallacies
logical functional and rhetorical
what is a logical fallacy
a fallacy that doesn’t meet the logical norm of validity or inductive force
give examples of a logical fallacy that doesn’t meet inductive force
gambler fallacy, base rate fallacy
what is a functional fallacy?
- meet appropriate logical norm
- ought not to convince Somme previously neutral
give 2 examples of functional fallacies
fallacy of circularity (begging the question) or fallacy of false alternative
what is circularity
uses the premise as a proof to support the conclusion
what is false alternative
seem to be instances of principle of bivalence (P or not-P) but aren’t
what are rhetorical fallacies?
arguments involving rhetorical language (pejorative terms, jargons) or appeals to…
are rhetorical fallacies valid?
no
can rhetorical fallacies have inductive force?
yes
list rhetorical fallacies (9)
- ad hominem
- appeal to authority
- poisoning the well
- undermining from within
- fallacy of false cause
- appealing to force
- fallacies of division and composition
- genetic fallacies
- fallacy of analogy (slippery slope)
what is an ad hominem fallacy
attack the person instead of the argument
explain appeal to authority
the conclusion should be believed because an authority said so