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Leonardi.DB
a logical geometry project

Rhetorica (1001–1050), fol. 28v
by Labeo, Notker

Logic

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
No

Geometry

Shape
Square (regular)
Colinearity range
0
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By central symmetry

Vertex description

Conceptual info
No
Mnemonic support (AEIO, purpurea ...)
No
Form
square
Label type
linguistic
Language
Latin
Lexical field
categorical
Contains partial sentences or single words
No
Contains abbreviations
Yes

Edge description

Contains definitions of relations
Yes
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

Style

Diagram is colored
Yes
Diagram is embellished
No
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