Why the Hexagon of Opposition is Really a Triangle: Logical Structures as Geometric Shapes (2024), p. 122
by Milstein, Ori
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Caption
- A triangular dipyramid associated with the modal logic KD. Also fit for representing KD45, in which case all modalities are included in the decorations. Notice the triangle of opposition at the center, extended by p and ¬p from both sides
- Number of labels per vertex (at most)
- 1
- Errors in the diagram
- No
Logic
- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- No
- Label type
- symbolic
- Symbolic field
- logic
- Contains partial formulas or symbols
- No
- Logical system
- propositional logic
- Contains definitions of relations
- No
- Form
- solid lines ,
- none
- Has arrowheads
- No
- Overlap
- No
- Curved
- No
- Hooked
- No
- As wide as vertices
- No
- Contains text
- No
- Label type
- none
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No