1. Connecting the Different Faces of Information

   • Johan van Benthem
   • Robert van Rooy

   Editorial Introduction Pages: 375 - 379

2. Probabilistic Dynamic Epistemic Logic

   • Barteld P. Kooi

   OriginalPaper Pages: 381 - 408

3. Conditional Probability Meets Update Logic

   • Johan van Benthem

   OriginalPaper Pages: 409 - 421

4. Quality and Quantity of Information Exchange

   • Robert van Rooy

   OriginalPaper Pages: 423 - 451

5. A Knowledge Based Semantics of Messages

   • Rohit Parikh
   • Ramaswamy Ramanujam

   OriginalPaper Pages: 453 - 467

6. Active Agents

   • Vincent F. Hendricks

   OriginalPaper Pages: 469 - 495

7. Kolmogorov Complexity and Information Theory. With an Interpretation in Terms of Questions and Answers

   • Peter D. Grünwald
   • Paul M.B. Vitányi

   OriginalPaper Pages: 497 - 529

8. Index of Authors of Volume 12

   Authors Index Pages: 531 - 531

9. Contents of Volume 12

   Volume Contents Pages: 533 - 535

10. Instructions for Authors

    Instructions for Authors Pages: 537 - 543