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Axioms, Vol. 13, Pages 287: Display Conventions for Octagons of Opposition
Axioms doi: 10.3390/axioms13050287
Authors: David Makinson
As usually presented, octagons of opposition are rather complex objects and can be difficult to assimilate at a glance. We show how, under suitable conditions that are satisfied by most historical examples, different display conventions can simplify the diagrams, making them easier for readers to grasp without the loss of information. Moreover, those conditions help reveal the conceptual structure behind the visual display.
