| | An Arithmetization of Logical Oppositions, p. 218, by Schang, Fabien | 2017 | Béziau Sigma-4 | 4 | Octagon |
| | An Arithmetization of Logical Oppositions, p. 219, by Schang, Fabien | 2017 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | An Arithmetization of Logical Oppositions, p. 222, by Schang, Fabien | 2017 | Sigma-5 Graph | 4 | Hexagon |
| | An Arithmetization of Logical Oppositions, p. 222, by Schang, Fabien | 2017 | Classical Sigma-7 | 4 | Tetraicosahedron |
| | Groups, Not Squares: Exorcizing a Fetish, p. 242, by Carnielli, Walter | 2017 | Classical Sigma-2 | 3 | Rectangle |
| | Groups, Not Squares: Exorcizing a Fetish, p. 242, by Carnielli, Walter | 2017 | Classical Sigma-2 | 3 | Rectangle |
| | Groups, Not Squares: Exorcizing a Fetish, p. 244, by Carnielli, Walter | 2017 | Classical Sigma-2 | 3 | Rectangle |
| | From the Square to Octahedra, p. 255, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Square |
| | From the Square to Octahedra, p. 255, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Square |
| | From the Square to Octahedra, p. 256, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Square |
| | From the Square to Octahedra, p. 256, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Square |
| | From the Square to Octahedra, p. 258, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Square |
| | From the Square to Octahedra, p. 259, by García-Cruz, José David | 2017 | A Single PCD | 2 | Digon |
| | From the Square to Octahedra, p. 259, by García-Cruz, José David | 2017 | A Single PCD | 2 | Digon |
| | From the Square to Octahedra, p. 259, by García-Cruz, José David | 2017 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Octahedron |
| | From the Square to Octahedra, p. 261, by García-Cruz, José David | 2017 | A Single PCD | 2 | Digon |
| | From the Square to Octahedra, p. 261, by García-Cruz, José David | 2017 | A Single PCD | 2 | Digon |
| | From the Square to Octahedra, p. 261, by García-Cruz, José David | 2017 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Octahedron |
| | From the Square to Octahedra, p. 263, by García-Cruz, José David | 2017 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Hexagon |
| | From the Square to Octahedra, p. 263, by García-Cruz, José David | 2017 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Hexagon |
| | From the Square to Octahedra, p. 264, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Rectangle |
| | From the Square to Octahedra, p. 264, by García-Cruz, José David | 2017 | Classical Sigma-2 | 3 | Rectangle |
| | From the Square to Octahedra, p. 264, by García-Cruz, José David | 2017 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Hexagon |
| | An Arithmetization of Logical Oppositions, p. 232, by Schang, Fabien | 2017 | Classical Sigma-2 | 3 | Square |
| | An Arithmetization of Logical Oppositions, p. 232, by Schang, Fabien | 2017 | Non-Sigma | 3 | Triangle |