| | Why the Logical Hexagon?, p. 83, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 83, by Moretti, Alessio | 2012 | Sigma-6 Graph | 4 | Cuboctahedron |
| | Why the Logical Hexagon?, p. 83, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 83, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 83, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 83, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Square |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | | | Cube |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Square |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3–4 | Hexagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Moretti-Pellissier Sigma-4 | 4–5 | Cube |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Moretti-Pellissier Sigma-4 | 4–5 | Cube |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Moretti-Pellissier Sigma-4 | 4–5 | Cube |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Moretti-Pellissier Sigma-4 | 4–5 | Cube |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Non-Sigma | 2 | Single Vertex |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Non-Sigma | 3 | Digon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Contrariety 3-clique | 3–4 | Triangle |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Contrariety 4-clique | 4–5 | Kite |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Contrariety 5-clique | 5–6 | Pentagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Contrariety 6-clique | 6–7 | Pentagon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | A Single PCD | 2 | Digon |
| | Why the Logical Hexagon?, p. 84, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Rectangle |