| | Aristotelian Diagrams for the Proportional Quantifier 'Most', p. 9, by Smessaert, Hans; Demey, Lorenz | 2023 | Lenzen Sigma-4 | 5 | Octagon |
| | Aristotelian Diagrams for the Proportional Quantifier 'Most', p. 11, by Smessaert, Hans; Demey, Lorenz | 2023 | Lenzen Sigma-4 | 5 | Octagon |
| | Aristotelian Diagrams for the Proportional Quantifier 'Most', p. 12, by Smessaert, Hans; Demey, Lorenz | 2023 | Sigma-4 Graph | 6 | Octagon |
| | Aristotelian Diagrams for the Proportional Quantifier 'Most', p. 12, by Smessaert, Hans; Demey, Lorenz | 2023 | Lenzen Sigma-4 | 5 | Octagon |
| | Logik, p. 52, by Ender, Sven | 2023 | Classical Sigma-2 | 3 | Rectangle |
| | The import of hypodoxes for the Liar and Russell’s paradoxes, p. 21, by Eldridge-Smith, Peter | 2023 | Classical Sigma-2 | 3 | Rectangle |
| | The import of hypodoxes for the Liar and Russell’s paradoxes, p. 22, by Eldridge-Smith, Peter | 2023 | Classical Sigma-2 | 3 | Rectangle |
| | The import of hypodoxes for the Liar and Russell’s paradoxes, p. 24, by Eldridge-Smith, Peter | 2023 | Classical Sigma-2 | 3 | Rectangle |
| | The import of hypodoxes for the Liar and Russell’s paradoxes, p. 25, by Eldridge-Smith, Peter | 2023 | Classical Sigma-2 | 3 | Rectangle |
| | Towards a Conceptual Framework for Conspiracy Theory Theories, p. 513, by Pfeifer, Niki | 2023 | Classical Sigma-2 | 3 | Square |
| | Towards a Conceptual Framework for Conspiracy Theory Theories, p. 514, by Pfeifer, Niki | 2023 | | | Hexagon |
| | Towards a Conceptual Framework for Conspiracy Theory Theories, p. 517, by Pfeifer, Niki | 2023 | | | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 15, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 4–5 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 2, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Classical Sigma-2 | 3 | Rectangle |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 2, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 2, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 4, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Classical Sigma-2 | 3 | Rectangle |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 4, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 5 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 4, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 5 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 7, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 4 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 7, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 4 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 11, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 11, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 12, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 4 | Hexagon |
| | Boolean Subtypes of the U4 Hexagon of Opposition, p. 12, by Demey, Lorenz; Erbas, Doruk Atahan | 2024 | Degenerate Sigma-3 with Unconnectedness 4 | 4 | Hexagon |