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conjunction fallacy

noun

conjunction fallacy

noun
1

The contradictory statement that the conjunction of two possibilities is more probable than one or both of those possibilities independently.

  • Could the conjunction fallacy rest on students interpreting the experimental instructions in an unexpected way - misunderstanding, perhaps, what is meant by "probable"?2007 September 19, Eliezer Yudkowsky, “Conjunction Fallacy”, in LessWrong, archived from the original on 03 Feb 2026:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.