Dr. Rajeev P. Goré Tel: +61-2-6125 8603 Automated Reasoning Group Fax: +61-2-6125 8651 Computer Sciences Laboratory Email: Rajeev.Gore at anu.edu.au Research School of Information Sciences and Engineering Australian National University Canberra, ACT, 0200, AUSTRALIA ANU CRICOS Provider Number - 00120CRajeev.Gore at anu.edu.au