INTRODUCTION 1
Ⅰ.POSITIVISM AND THE SEPARATION OF LAW AND MORALS&by H.L.A.Hart 17
Ⅱ.IS LAW A SYSTEM OF RULES?&by R.M.Dworkin 38
Ⅲ.MORALS AND THE CRIMINAL LAW&by Lord Patrick Devlin 66
Ⅳ.IMMORALITY AND TREASON&by H.L.A.Hart 83
Ⅴ.A THEORY OF CIVIL DISOBEDIENCE&by J.Rawls 89
Ⅵ.A DEFENCE OF ABORTION&by J.J.Thomson 112
Ⅶ.THE RIGHTS AND WRONGS OF ABORTION&by J.Finnis 129
Ⅷ.A THEORY OF FREEDOM OF EXPRESSION&by T.Scanlon 153
NOTES ON THE CONTRIBUTORS 172
BIBLIOGRAPHY 173
INDEX OF NAMES 177