Abstract
Debates about "equality" are pervasive in our politics today. The widening gap between the rich and the poor is having major effects on our society and politics, galvanizing social justice movements on the left and nationalist-populist movements on the right. On a different register, America's culture war is heating up on topics such as privilege, oppression, identity, racism, patriarchy, implicit bias, and so forth. These debates are not always as constructive as they might be, in part because the concept of equality is a complicated, contested, and confusing term. Although everyone seems to care about equality, we do not all mean the same thing—just consider the typical contrast between "equality of opportunity"...