Walter Carnielli
Centre of Logic, University of Campinas
Brazil
Janusz Czelakowski
Institute of Mathematics, University of Opole
Poland
Michael Dunn
Department of Philosophy, Indiana University
U. S. A.
Wieslaw Dziobiak
Department of Mathematics, University of Puerto Rico
U. S. A.
Josep Maria Font
Institute of Mathematics, University of Barcelona
Spain
Pawel M. Idziak
Computer Science Department, Jagiellonian University
Poland
Tomasz Kowalski
Research School of Information Sciences and Engineering
Australian National University
Canberra, Australia
Hiroakira Ono
Japan Advanced Institute of Science and Technology, Hokuriku
Japan
Jerzy Perzanowski
Department of Logic, N. Copernicus University
Department of Logic, Jagiellonian University
Poland
Don Pigozzi
Mathematics Department, Iowa State University
U. S. A.
Alasdair Urquhart
Department of Phlosophy, University of Toronto
Canada
Frank Wolter
Department of Computer Science, University of Leipzig
Germany
Heinrich Wansing
Dresden University of Technology
Germany
Ross Willard
Department of Pure Mathematics, University of Waterloo
Canada
Piotr Wojtylak
Institute of Mathematics, Silesian University
Poland
Andrzej Wronski
Department of Logic, Jagiellonian University
Poland