 In judgment aggregation, a group forms yes/no judgments on several propositions (List &amp; Pettit 2002; Dietrich 2007; and see the entry on  belief merging).  The group might judge whether economic growth will increase (proposition \(p\)), whether some climate goals will be missed (proposition \(q\)), and whether the former implies the latter (proposition \(p\rightarrow q\)). The three judgments are interconnected: one cannot consistently accept \(p\), \(p\rightarrow q\), and \(\lnot q\). Let alternatives be complete and consistent judgment sets; in the example,