Brennan, H Geoffrey2015-12-070265-0525http://hdl.handle.net/1885/20467Justice is not the only value that calls for (appropriately balanced) implementation: other principles, sometimes competing with justice, must also be variously pursued and honored. And the facts help to decide the balance of due deference to competing principles: the facts constitute the feasible set that determines the optimal point on a set of fact-independent indifference curves whose axes display packages of different extents to which competing principles are implemented. G. A. Cohen �Facts and Principles�1201310.1017/S02650525130001502015-12-07