Fallacy Library
Learn about logical fallacies and track your mastery progress. Unlock more fallacies by leveling up!
Tier 1
Fundamentals
Ad Hominem
Tier 1
Straw Man
Tier 1
Appeal to Authority
Unlocks at Level 2
Using an authority figure's opinion as evidence, e...
False Dilemma
Unlocks at Level 3
Presenting only two options when more exist....
Slippery Slope
Unlocks at Level 4
Claiming one event will lead to a chain of negativ...
Tier 2
Common Manipulations
Circular Reasoning
Unlocks at Level 6
Using the conclusion as a premise - the argument a...
Post Hoc
Unlocks at Level 7
Assuming that because B followed A, A must have ca...
Appeal to Popularity
Unlocks at Level 8
Claiming something is true or good because many pe...
Tu Quoque
Unlocks at Level 9
Deflecting criticism by pointing out that the crit...
Equivocation
Unlocks at Level 10
Using a word with multiple meanings in different p...