Classic Flaws LSAT Flashcards
The author assumes an individual has all of the same properties as a group
Whole to Part and Part to Whole
-Blair has a belief
-Crazy person mentions a factual implication of that belief
-Crazy person claims that Blair believes the implication of the belief
Implication
- Crazy person uses a word or idea, intending one of its meaning
- Crazy person concludes something using the other meaning of the word (ie: brake vs break)
Equivocation
- Crazy person talks about something having a property
- Crazy person concludes that other things have that property
Overgeneralization
- Sane person makes a claim
- Crazy person responds to an entirely different claim, but pretends they responded to the sane person
Straw Man
- Crazy person says that a person or group believes something
- Crazy person concludes that thing must be true
Appeal Fallacies
- Crazy person outlines 2 possible options
- Crazy person eliminates one of the options
- Crazy person concludes second option must be true
False Dichotomy
- Crazy person concludes something
- Crazy person supplies premises that assume the conclusion is true
Circular Reasoning
- Sane person makes a claim
- Crazy person talks about how sane person is awful
- Crazy person concludes that sane person’s claim is false
Ad Hominem
-When the author reads conditionals supplied in the premises incorrectly
Bad Conditional Reasoning
-Study with 2 groups
1. Crazy researcher assumes that two groups are the same in every aspect except those pointed out in the study
2. Crazy researcher concludes that the differences in the study results are due to the one key difference the study is focused on
False Starts
-The author assumes that two things are related are correlated/causal
Bad Causal Reasoning
-When the premises are entirely unrelated to the conclusion
Irrelevant