Logic Final Exam Set

 Definitions for various fallacies of arguments

18 cards   |   Total Attempts: 186
  

Cards In This Set

Front Back
Circularity
Presumes the truth of what is to be proved
Ambiguous Argument
Changes the meaning of a term or phrase within the argument. Also called equivocation
Appeal to Emotion
To stir up feelings instead of arguing in a logical manner
Beside the Point
Argues for a conclusion irrelevant to the issue at hand
Straw Man
Misrepresents an opponent's views
Appeal to the crowd
Most people believe ATherefore A is true
Opposition
Our opponents believe ATherefore A is false
Genetic
We can explain why you believe ATherefore A is false
Appeal to Ignorance
No one has proved ATherefore A is false
or
No one has disproved ATherefore A is true
Post hoc ergo propter hoc
A happened after BTherefore A was caused by B
Part-Whole
This is FTherefore every part of this is F
or
Every part of this is FTherefore this is F
Appeal to Authority - Correct Form
X holds that A is trueX is an authority on the subjectThe consensus of authorities agrees with XTherefore there's a presumption that A is ture
Ad hominem - correct form (incorrect description)
X holds that A is trueIn holding this, X violates legitimate rational standards (for example, X is inconsistent, biased, etc)Therefore X isn't fully reasonable in holding A
Incorrect forms use factors irrelevant to rational competence - ie. attacking the person, or concluding that A is false
Pro-con - correct form
The reasons in favor of act A are...The reasons against act A are...The former reasons outweigh the latterTherefore A ought to be done
-incorrect forms consider only one side of the argument
Black and White
This thinking oversimplifies by assuming that one or another of two extreme cases must be true. aka. a false dilemma.