American University of Beirut,
Lebanon, June 26-29, 2012
This will be the 3rd world congress organized about the square of opposition after very succesful previous events in Montreux, Switzerland 2007 and in Corté, Corsica 2010. This is an interdisciplinary event gathering logicians, philosophers, mathematicians, semioticians, artists, computer scientists.
Deadline to submit an abstract: December 20, 2011
http://www.square-of-opposition.org/