Sources (1894 to 1901 of 1951)
| Title | Contributor(s) | Date (min–max) | Language | Diagrams | |
|---|---|---|---|---|---|
| Logic and Colour | Jaspers, Dany | 2012 | English | 14 | |
| The New Rising of the Square of Opposition | Beziau, Jean-Yves | 2012 | English | 14 | |
| How to Square Knowledge and Belief | Lenzen, Wolfgang | 2012 | English | 14 | |
| Iconic and Dynamic Models to Represent "Distinctive" Predicates: The Octagonal Prism and the Complex Tetrahedron of Opposition | Cavaliere, Ferdinando | 2017 | English | 14 | |
| Hamburgers and Truth: Why Gricean Inference is Gricean | Horn, Laurence | 1990 | English | 14 | |
| Remarques sur la Théorie de l'Hexagone logique de Blanché | Sauriol, Pierre | 1968 | French | 15 | |
| Hypercubes of Duality | Libert, Thierry | 2012 | English | 15 | |
| The Medieval Octagon of Opposition for Sentences with Quantified Predicates | Campos Benítez, Juan Manuel | 2014 | English | 16 |