| | On the 3D Visualisation of Logical Relations, p. 311, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Three Dimensional Shape |
| | On the 3D Visualisation of Logical Relations, p. 311, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Three Dimensional Shape |
| | On the 3D Visualisation of Logical Relations, p. 312, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Three Dimensional Shape |
| | On the 3D Visualisation of Logical Relations, p. 312, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Three Dimensional Shape |
| | On the 3D Visualisation of Logical Relations, p. 312, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Octahedron |
| | On the 3D Visualisation of Logical Relations, p. 313, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Octahedron |
| | On the 3D Visualisation of Logical Relations, p. 313, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Octahedron |
| | On the 3D Visualisation of Logical Relations, p. 313, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Octahedron |
| | On the 3D Visualisation of Logical Relations, p. 321, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Octahedron |
| | On the 3D Visualisation of Logical Relations, p. 321, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Octahedron |
| | On the 3D Visualisation of Logical Relations, p. 326, by Smessaert, Hans | 2009 | Classical Sigma-7 | 4 | Octagon |
| | On the 3D Visualisation of Logical Relations, p. 327, by Smessaert, Hans | 2009 | Sigma-6 Graph | 4 | Cuboctahedron |
| | On the 3D Visualisation of Logical Relations, p. 327, by Smessaert, Hans | 2009 | Classical Sigma-7 | 4 | Rhombic Dodecahedron |
| | On the 3D Visualisation of Logical Relations, p. 329, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | On the 3D Visualisation of Logical Relations, p. 329, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | On the 3D Visualisation of Logical Relations, p. 329, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | On the 3D Visualisation of Logical Relations, p. 330, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | On the 3D Visualisation of Logical Relations, p. 330, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | On the 3D Visualisation of Logical Relations, p. 330, by Smessaert, Hans | 2009 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | WJ-40: Implicature, truth, and meaning, p. 6, by Horn, Laurence | 2009 | Classical Sigma-2 | 3 | Rectangle |
| | WJ-40: Implicature, truth, and meaning, p. 10, by Horn, Laurence | 2009 | Classical Sigma-2 | 3 | Rectangle |
| | Manuel d'intelligence artificielle, p. 230, by Frécon, Louis; Kazar, Okba | 2009 | Classical Sigma-2 | 3 | Rectangle |
| | Manuel d'intelligence artificielle, p. 369, by Frécon, Louis; Kazar, Okba | 2009 | Classical Sigma-2 | 3 | Rectangle |
| | Logique formelle, p. 70, by Peeters, Marc; Richard, Sébastien | 2009 | Classical Sigma-2 | 3 | Rectangle |
| | Philosophie et histoire des religions, p. 121, by Dessain, Béatrice | 2009 | Classical Sigma-2 | 3 | Square |