Today

The following contributions have arrived in latex markup, and are made available in postscript:

1. Joe Halpern has contributed to the discussion about modal logic that was initiated by John McCarthy's note "Modality, si! Modal logic, no!" and Heinrich Wansing's answer "Modality, of course. Modal logic, si!"

   Joe Halpern's contribution can be accessed at

            http://www.ida.liu.se/ext/etai/rac/notes/1999/03/a4.ps
            http://www.ida.liu.se/ext/etai/rac/notes/1999/03/letter.ps
   

   for a4 and letter paper size, respectively.

2. Camilla Schwind has answered to Fangzhen Lin's questions re her ETAI contributed article "Causality in Action Theories". Her answer can be accessed at

            http://www.ida.liu.se/ext/etai/received/actions/018/cs1.ps
   

3. Michael Thielscher has contributed a summary for his article "Fluent Calculus Planning with Continuous Change" that he submitted to the ETAI on July 21. The summary is available from the article's review page, either by clicking from the general ETAI website, or directly at

            http://www.ida.liu.se/ext/etai/ra/rac/020/