Logical Fallacies Flashcards
What is the definition of fallacies?
Logical errors in arguments
When irrelevant conclusions are drawn from the premises of an argument
Fallacies of relevance
When an argument involves ambiguous language
Fallacies of ambiguity
When false assumptions are made about the premises of an argument
Fallacies of presumption
Personal Attack
Ad Hominem
Ex. You’re face is asymmetrical
Personal attack
Bandwagoning
Ad Populum
Most people believe in God, so God must exist!
Bandwagoning
Appeal to novelty
Ad Novitatem
iPhone update is new, so photos app MUST be better
Appeal to novelty
Appeal to tradition
Ad Antiquitatem
This medicine has always been used, thus it is most effective
Appeal to tradition
Organic food is always healthier than non-organic food
Appeal to nature
I know I’m not qualified, but if you don’t give me this job my children will starve
Appeal to emotional
I know I said I’d come to the movies and I didn’t, but what about the time you didn’t show up to my birthday party?
Red Herring
I believe that hunting for sport is immoral. / So you think we should all be forced to be vegetarian because animals are more important than people?
Straw Man
Doctors can look up information while treating a patient; why shouldn’t students be able to use their textbooks during a test?
Faulty analogy
SLOW children playing sign
Amphiboly
The sign said ‘Fine For Parking Here,’ so, since it was fine, I parked here
Equivocation
You need a great coach to win the tournament; a great coach is one who won the tournament
Begging the question
My grandmother has a cat — all old women own cats
Hasty generalization
I always win because I put on my lucky socks before each game
Post Hoc, Ergo Propter Hoc
If I don’t bring my pencil I’ll die
Slippery slope
Beauty or brains
False dilemma/dichotomy
Have you stopped cheating on tests?
Loaded question
All members of the rowing club are conceited; Lucy is not in the rowing club, therefore she is not conceited
Non sequitar
Evolution seems really unlikely, thus, evolution did not occur
Personal incredulity
An attack on the person instead of the argument, or associating the opponent’s position with a disliked person
Personal attack
Asserting that because most people believe in something it must be good/right
Bandwagoning
Asserting that because something is new/newer, it must be better
Appeal to novelty
Asserting that because something has always been done a certain way, that’s obviously the best/correct way
Appeal to tradition
The incorrect presumption that something is good because it is naturally occurring
Appeal to nature
An argument based in emotion rather than reason (fear, pity, patriotism, ridicule, spite)
Appeal to emotion
A distraction from the actual argument; the introduction of evidence that has nothing to do with the argument
Red Herring
The deliberate distortion, exaggeration, or misinterpretation of an opponent’s position, and then a response to the misrepresentation instead of the initial argument
Straw man
The incorrect assertion that because two things are alike in one way, they are necessarily alike in some other aspect
Faulty analogy
Errors resulting from ambiguous grammar, where the sentence construction allows for multiple meanings
Amphiboly
Errors resulting from two possible meanings of the same word
Equivocation
A kind of circular reading where a conclusion is already assumed as one of the premises
Begging the question
When the stated characteristic of an entire group are based on an unrepresentative sample size; stereotyping
Hasty generalization
The incorrect assumption that an event must have been the cause of a later event just because it happened earlier (after this, because of this)
Post Hoc, Ergo Propter Hoc
An argument, using presumption instead of evidence, that a certain undesirable outcome will result from a single action via a series of related events (domino)
Slippery slope
Artificially presenting 2 choices, one of which is undesirable, when there is really a spectrum of possibilities
False dilemma/dichotomy
Posing a question in such a way that, regardless of the answer, something controversial is agreed to
Loaded question
An inference or conclusion that does not logically proceed from the premises upon which it is based
Non sequitar
Asserting that a proposition must be false because it contradicts one’s personal beliefs, or is difficult to imagine or understand
Personal incredulity