Discursive Dilemma
Doctrinal Paradox
A paradox in social choice theory where aggregating judgments with majority voting can result in self-contradictory judgments.
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Origin
The doctrinal paradox was first identified by legal scholars Lewis Kornhauser and Lawrence Sager in the early 1990s. Philosophers Philip Pettit and Christian List reformulated it in 2002 as the "discursive dilemma," framing it in propositional logic and distinguishing premise-based versus conclusion-based voting. Their work established judgment aggregation theory, showing how democratic voting on interconnected propositions can produce logically inconsistent collective judgments.
Updated February 22, 2026