Logical fallacies

Fallacies of revelance

breaks in logical reasoning; evidence doesn't match claim
- red herring
- ad hominem
-faulty analogy
- false authority

red herring

switches issues mid-argument in order to distract audience or avoid issue at hand

ad hominem

against the man
attacking the person rather than the argument

faulty analogy

comparing issues that are not the same to make an argument; can result in oversimplifying, through comparison, the issue at hand

false authority

citing someone who has no authority on the subject

Fallacies of accuracy

-straw man
-either/or
-post hoc ergo propter hoc
-bandwagon
-false equivalence
-genetic

straw man

misrepresenting someone's argument and make it easier to attack
-choosing a deliberately poor/oversimplified example to make point
-choosing an easier and unrelated part of the argument to attack

either/or fallacy

aka false dilemma
presenting two (extreme) options to make a point

post hoc ergo propter hoc

after which therefore because of which"
arguing that because something happened once it will happen again

bandwagon

aka ad populum
"everyone's doing it, so I should too

false equivalence

when two opposing sides or views are treated as logically equivalent when they are not

genetic fallacy

conclusion based on the argument that the origins of a person, idea, institute, or idea determine its character, nature or worth
-stereotypes

Fallacies of insufficiency

-hasty generalization
-slippery slope
-circular reasoning
-false cause

hasty generalization

not enough evidence to support a particular conclusion
CAVEAT: personal experience is effective in argument, but rarely sufficient

slippery slope

if A happens, than B will eventually happen, so we should stop A from happening
-uses extreme hypothetical, often based on fear

slippery slope v. hasty generalization

#NAME?

circular reasoning

repeating the claim as evidence for the claim

begging the question

claim made based on evidence that is in doubt, "begs" the question if the support for the claim is sound

false cause

correlation does not equal causation

Fallacies of revelance

breaks in logical reasoning; evidence doesn't match claim
- red herring
- ad hominem
-faulty analogy
- false authority

red herring

switches issues mid-argument in order to distract audience or avoid issue at hand

ad hominem

against the man
attacking the person rather than the argument

faulty analogy

comparing issues that are not the same to make an argument; can result in oversimplifying, through comparison, the issue at hand

false authority

citing someone who has no authority on the subject

Fallacies of accuracy

-straw man
-either/or
-post hoc ergo propter hoc
-bandwagon
-false equivalence
-genetic

straw man

misrepresenting someone's argument and make it easier to attack
-choosing a deliberately poor/oversimplified example to make point
-choosing an easier and unrelated part of the argument to attack

either/or fallacy

aka false dilemma
presenting two (extreme) options to make a point

post hoc ergo propter hoc

after which therefore because of which"
arguing that because something happened once it will happen again

bandwagon

aka ad populum
"everyone's doing it, so I should too

false equivalence

when two opposing sides or views are treated as logically equivalent when they are not

genetic fallacy

conclusion based on the argument that the origins of a person, idea, institute, or idea determine its character, nature or worth
-stereotypes

Fallacies of insufficiency

-hasty generalization
-slippery slope
-circular reasoning
-false cause

hasty generalization

not enough evidence to support a particular conclusion
CAVEAT: personal experience is effective in argument, but rarely sufficient

slippery slope

if A happens, than B will eventually happen, so we should stop A from happening
-uses extreme hypothetical, often based on fear

slippery slope v. hasty generalization

#NAME?

circular reasoning

repeating the claim as evidence for the claim

begging the question

claim made based on evidence that is in doubt, "begs" the question if the support for the claim is sound

false cause

correlation does not equal causation