Dialectica ludicra (1521), fol. 71v
by Nifo, Agostino
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- Aristotelian family
- Classical Sigma-2
- Boolean complexity
- 3
- Number of labels per vertex (at most)
- 1
- Uniqueness of the vertices up to logical equivalence
- Yes
- Errors in the diagram
- Yes
- 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
- circular
- Label type
- linguistic
- Language
- Latin
- Lexical field
- modal syllogistics
- Contains partial sentences or single words
- No
- Contains abbreviations
- Yes
- Contains definitions of relations
- No
- Form
- bands
- Has arrowheads
- No
- Overlap
- Yes
- Curved
- No
- Hooked
- No
- As wide as vertices
- No
- Contains text
- Yes
- Label type
- linguistic
- Language
- Latin
- Contains partial sentences or single words
- Yes
- Contain abbreviations
- Yes
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
Style
Additional notes
- All four vertices start with the same modality, viz., 'contingent', so (at least) the contradiction relations are violated.