1. Dear colleague

   • Ryszard Wójcicki

   Announcement Pages: 1 - 1

2. From the editors

   • Andrew J. I. Jones
   • Marek Sergot

   EditorialNotes Pages: 3 - 4

3. Detachment and defeasibility in deontic logic

   • Carlos E. Alchourrón

   OriginalPaper Pages: 5 - 18

4. Prima facie obligation

   • Nicholas Asher
   • Daniel Bonevac

   OriginalPaper Pages: 19 - 45

5. Prima facie and seeming duties

   • Michael Morreau

   OriginalPaper Pages: 47 - 71

6. Two approaches to the formalisation of defeasible deontic reasoning

   • Henry Prakken

   OriginalPaper Pages: 73 - 90

7. Contrary-to-duty obligations

   • Henry Prakken
   • Marek Sergot

   OriginalPaper Pages: 91 - 115

8. A logic of comparative obligation

   • Mark A. Brown

   OriginalPaper Pages: 117 - 137

9. Deontic database constraints, violation and recovery

   • José Carmo
   • Andrew J. I. Jones

   OriginalPaper Pages: 139 - 165

10. Doing well enough: Toward a logic for common-sense morality

    • Paul McNamara

    OriginalPaper Pages: 167 - 192

11. Free choice and contextually permitted actions

    • F. Dignum
    • J. -J. Ch. Meyer
    • R. J. Wieringa

    OriginalPaper Pages: 193 - 220

12. Reasoning about actions and obligations in first-order logic

    • Gert -Jan C. Lokhorst

    OriginalPaper Pages: 221 - 237