General Patterns of Opposition Squares and 2n-gons (2012), p. 271
by Chow, Ka-fat
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Caption
- GP2nO2
- Aristotelian family
- Moretti-Pellissier Sigma-4
- Boolean complexity
- 4
- Number of labels per vertex (at most)
- 1
- Errors in the diagram
- No
- Shape
- Rectangle (irregular)
- Colinearity range
- 0–2
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- By some other geometric feature
Logic
Geometry
- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- No
- Form
- none
- Label type
- symbolic
- Symbolic field
- logic
- Contains partial formulas or symbols
- No
- Logical system
- propositional logic
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
Style
Additional notes
- The annotation assumes the specific case n = 4.