| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Rectangle |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3–4 | Hexagon |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Moretti-Pellissier Sigma-4 | 4–5 | Cube |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Sigma-5 Clique | 5–6 | Decagon |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Sigma-6 Clique | 6–7 | Three Dimensional Shape |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Square |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3–4 | Hexagon |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Moretti-Pellissier Sigma-4 | 4–5 | Cube |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Sigma-5 Clique | 5–6 | Decagon |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Sigma-6 Clique | 6–7 | Three Dimensional Shape |
| | Why the Logical Hexagon?, p. 85, by Moretti, Alessio | 2012 | Sigma-7 Clique | 7–8 | Tetradecagon |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | Classical Sigma-7 | 4–5 | Rhombic Dodecahedron |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | | | |
| | Why the Logical Hexagon?, p. 87, by Moretti, Alessio | 2012 | | | |
| | Why the Logical Hexagon?, p. 87, by Moretti, Alessio | 2012 | | | Cube |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Rectangle |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 86, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 87, by Moretti, Alessio | 2012 | | | Octahedron |
| | Why the Logical Hexagon?, p. 87, by Moretti, Alessio | 2012 | | | Octahedron |
| | Why the Logical Hexagon?, p. 87, by Moretti, Alessio | 2012 | | | Octahedron |
| | Why the Logical Hexagon?, p. 87, by Moretti, Alessio | 2012 | | | Octahedron |
| | Why the Logical Hexagon?, p. 88, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Square |