1. In this issue ...

   EditorialNotes Pages: i - i

2. Editorial

   • Masoud Yazdani

   EditorialNotes Pages: 79 - 79

3. Response time

   Legacy Pages: 81 - 87

4. Taxonomic reasoning with many-sorted logics

   • A. G. Cohn

   OriginalPaper Pages: 89 - 128

5. Abductive reasoning in multiple fault diagnosis

   • T. Finin
   • G. Morris

   OriginalPaper Pages: 129 - 158

6. Multiple inheritance systems with exceptions

   • Piotr Rychlik

   OriginalPaper Pages: 159 - 176

7. Approaches to qualitative reasoning

   • A. G. Cohn

   OriginalPaper Pages: 177 - 232

8. Book reviews

   • Penny Probert
   • Alec Cameron
   • David Nowell

   BookReview Pages: 233 - 237