No True Scotsman

idea

GenRank Score

29.6

A logical fallacy attempting to protect a generalization from counterexamples by changing the definition of the group in question to exclude the challenging instance.

Also Known As

No True ScotsmanNo true Scotsman (ad hoc redefinition)ad hoc redefinition“No True Scotsman” (purity test)purity testThe "No True Scotsman" (Appeal to Purity)Appeal to Purity

1 question•1 category

Logical fallacies people use in every argument that sound smart but are completely wrong Philosophy & Ethics

Score

29.6

Rank

Score History

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Average Rank

#10.8

Median

Range

#4–#24

Consistency

☆☆☆σ=6.5

🎯Top 5 in 1/7 models

Rankings by Model

Gemini 3 Flash #4Grok 4.1 Fast #7DeepSeek V3 0324 #8Gemini 2.5 Flash Lite #9GPT-5 Mini #9GPT-5.2 #13gpt-oss-120b #24