9 - 13 September 2022, 7th World Congress on the Square of Opposition (SQUARE 7), Leuven (Belgium)

The square of opposition is a logical structure coming from Aristotelian logic. It has been continuously studied during two thousand years. Even Frege, one of the main founders of modern mathematical logic, used it. It can be applied to many fields, ranging from metalogic to highway code, through economics, music, physics, color theory, theology.

This is an interdisciplinary event gathering logicians, philosophers, mathematicians, semioticians, theologians, cognitivists, artists and computer scientists.