The Medieval Octagon of Opposition for Sentences with Quantified Predicates (2014), p. 362
by Campos Benítez, Juan Manuel
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- Aristotelian family
- Buridan Sigma-4
- Boolean complexity
- 4–6
- Number of labels per vertex (at most)
- 1
- Uniqueness of the vertices up to logical equivalence
- Yes
- Errors in the diagram
- No
- Shape
- Rectangle (irregular)
- Colinearity range
- 0–2
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- By central symmetry
Logic
Geometry
- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- No
- Form
- none
- Label type
- generic placeholders
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
Style
Additional notes
- S stands for 'strong'
W stands for 'weak'
/ stands for negation