. . "JA 74 .S313" . "0-226-73886-8" . "theory of the friend\u2013enemy distinction" . "Sovereignty as a \\\"borderline concept\\\"" . . . . . . . "Friend\u2013Enemy distinction" . "The Concept of the Political" . . . . . . . "The Concept of the Political" . "105" . . . . . . "friend-enemy distinction" . .