System effects and the constitution

by Adrian Vermeule

"Abstract: A system effect arises when the properties of an aggregate differ from the properties of its members, taken one by one. The failure to recognize system effects leads to fallacies of division and composition, in which the analyst mistakenly assumes that what is true of the aggregate must also be true of the members, or that what is true of the members must also be true of the aggregate. Examples are (1) the fallacious assumption that if the overall constitutional order is to be democratic, each of its component institutions must be democratic, taken one by one; (2) the...