1.Two Views of the Nature of the Theory of Law：A Partial Comparison&JOSEPH RAZ 1
2.Herbert Hart and the Semantic Sting&TIMOTHY A.O.ENDICO 39
3.Hart’s Semantics&NICOS STAVROPOULOS 59
4.Incorporationism，Conventionality，and the Practical Difference Thesis&JULES COLEMAN 99
5.On Hart’s Way Out&SCOTT J.SHAPIRO 149
6.Legal Conventionalism&ANDREI MARMOR 193
7.The Model of Social Facts&BENJAMIN C.ZIPURSKY 219
8.Law’s Claim of Legitimate Authority&KENNETH EINAR HIMMA 271
9.Hart’s Methodological Positivism&STEPHEN R.PERRY 311
10.Legal Realism，Hard Positivism，and the Limits of Conceptual Analysis&BRIAN LEITER 355
11.The Political Question of the Concept of Law&LIAM MURPHY 371
12.Normative （or Ethical） Positivism&JEREMY WALDRON 410
Index 435