LOGICINKNOWLEDGE REPRESENTATIONANDEXPLORATION Series:STUDIESINLOGIC,GRAMMARANDRHETORIC17(30) UndertheAuspicesofthePolishAssociation forLogicandPhilosophyofScience LOGICINKNOWLEDGE REPRESENTATIONANDEXPLORATION editedby DariuszSurowik UniversityofBia³ystok Bia³ystok2009 Refereed by Marcin Koszowy, Kazimierz Trzęsicki and Slavian Radev Series: STUDIES IN LOGIC, GRAMMAR AND RHETORIC 17(30) http://logika.uwb.edu.pl/studies/ Subseries issued by the Chair of Logic, Informatics and Philosophy of Science Faculty of Mathematics and Informatics University of Białystok Edited by Halina Święczkowska University of Białystok, Faculty of Law, Section of Semiotics in collaboration with Kazimierz Trzęsicki University of Białystok, Faculty of Mathematics and Informatics Chair of Logic, Informatics and Philosophy of Science –
[email protected] Editorial Secretary: Dariusz Surowik University of Białystok Editorial Assistants: Izabela Bondecka-Krzykowska Adam Mickiewicz University, Poznań Polish Association for Logic and Philosophy of Science Katarzyna Doliwa University of Białystok Editorial Advisory Board: Jerzy Kopania, University of Białystok Grzegorz Malinowski, University of Łódź Witold Marciszewski (Chairman), University of Białystok Roman Murawski, Adam Mickiewicz University, Poznań Mieczysław Omyła, Warsaw University Katarzyna Paprzycka, Warsaw School of Social Psychology Jerzy Pogonowski, Adam Mickiewicz University, Poznań Andrew Schumann, Belarusian State University, Minsk (Belarus) Jan Woleński, Jagiellonian University, Cracow Ryszard Wójcicki,