The jury theorem states that based on the aggregation of competences, a group of agents will be the most capable of …

A judgement aggregation rule takes the views of a collection of voters over a set of interconected issues, and yields a … logically consistent collective view. The median rule is a judgement aggregation rule that selects the logically consistent view … issues on which they disagree). In the special case of preference aggregation, this is called the Kemeny rule. We show that …