Sept 16-20, 2020 will take place in Leuven, Belgium, the World Congress on the Square of Opposition http://www.square-of-opposition.org/square2020
This will be the 7th world congress organized around the square of opposition after very successful previous editions in Montreux, Switzerland 2007; Corté, Corsica 2010; Beirut, Lebanon 2012; Vatican, 2014; Easter Island, 2016, Crete, 2018. http://www.square-of-opposition.org/ This is an interdisciplinary event on the theory of opposition gathering logicians, philosophers, mathematicians, semioticians, theologians, cognitivists, artists and computer scientists. This theory was initiated by Aristotle. It is based on three notions of opposition: contradiction, contrariety, subcontrariety. It took first the shape of a square but was further developed in many other geometrical shapes, in particular a hexagon, promoted by Robert Blanché https://link.springer.com/journal/11787/6/1/page/1 Deadline for submitting an abstract is April, 20, 2020
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