| | Why the Logical Hexagon?, p. 78, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Rectangle |
| | Why the Logical Hexagon?, p. 78, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 79, by Moretti, Alessio | 2012 | Classical Sigma-7 | 4 | Cube |
| | Why the Logical Hexagon?, p. 79, by Moretti, Alessio | 2012 | Non-Sigma | 4 | Hexagon |
| | Why the Logical Hexagon?, p. 79, by Moretti, Alessio | 2012 | Non-Sigma | 4 | Hexagon |
| | Why the Logical Hexagon?, p. 81, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 81, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 81, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 81, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 81, by Moretti, Alessio | 2012 | | | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Classical Sigma-2 | 3 | Square |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | A Single PCD | 2 | Digon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Why the Logical Hexagon?, p. 82, by Moretti, Alessio | 2012 | | | |
| | 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. 83, by Moretti, Alessio | 2012 | Sigma-6 Graph | 4 | Cuboctahedron |