Stoic Sign-Inference and Their Lore of Fate (2024), p. 229
by Schumann, Andrew
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Caption
- The Stoic square of opposition for modal judgments. It is a non-Aristotelian treatment of modal operators. Meanwhile, $\neg\Box p$ means $\Diamond\neg p$ and $\neg\Diamond p$ means $\Box\neg p$. In this example, $\Diamond p\vee\Diamond\neg p$ is false and $\Box p\,\&\,\Box\neg p$ is true
- Aristotelian family
- Classical Sigma-2
- Boolean complexity
- 3
- Number of labels per vertex (at most)
- 1
- Errors in the diagram
- No
- Shape
- Square (regular)
- Colinearity range
- 0
- 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
- linguistic
- Language
- English
- Contains partial sentences or single words
- No
- Contains abbreviations
- No
- 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