Law Commons^™

Jurisdictional Idealism And Positivism, John F. Preis

William & Mary Law Review

“If I should call a sheep’s tail a leg, how many legs would it have? Four, because calling a tail a leg would not make it so.” This old quip, often attributed to Abraham Lincoln, captures an issue at the heart of the modern law of subject matter jurisdiction. Some believe that there is a Platonic ideal of jurisdiction that cannot be changed by judicial or legislative fiat. Others take a positivist approach and assert that jurisdiction is nothing more than whatever a legislature says it is. Who is right?

Neither and both. Although neither idealism nor positivism is the …