This is a collection of new investigations and discoveries on the theory of opposition (square, hexagon, octagon, polyhedra of opposition) by the best specialists from all over the world.

The papers range from historical considerations to new mathematical developments of the theory of opposition including applications to theology, theory of argumentation and metalogic.

Inhalt

Part I Introduction.- Part II Historical Perspectives on the Square.- Part III Reinterpretations of the Square.- Part IV Philosophical Perspectives on the Square.- Part V Theoretical Investigations on the Square.- Part VI Expansions and Variations of the Square.- Part VII Applications of the Square.