Functional and Logic Programming

thankthemembersoftheorganizingcommittee,notablyZhenjiangHu,Yasuhiro Ajiro, Kazuhiko Kakehi, and Madoka Kuniyasu, for their invaluable support throughoutthepreparationandorganizationofthesymposium. January2001 HerbertKuchen KazunoriUeda Symposium Organization Program Chairs Herbert Kuchen University of Munster, ¿ Germany Kazunori Ueda Waseda University, Tokyo, Japan Program Committee Sergio Antoy Portland State University, USA Gopal Gupta University of Texas at Dallas, USA Michael Hanus University of Kiel, Germany Fergus Henderson University of Melbourne, Australia Zhenjiang Hu University of Tokyo, Japan Herbert Kuchen University of Munster, ¿ Germany Giorgio Levi University of Pisa, Italy Michael Maher Gri th University, Brisbane, Australia Dale Miller Pennsylvania State University, USA I. V. Ramakrishnan State University of New York at Stony Brook, USA Olivier Ridoux IRISA, Rennes, France Mario Rodr guez-Artalejo Complutense University, Madrid, Spain Colin Runciman University of York, UK Akihiko Takano Hitachi, Ltd.