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Leonardi.DB
a logical geometry project

Periermenias Aristotelis a Boetio translatas (830–870), fol. 37v
by Boethius, Anicius Manlius Severinus

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
Rectangle (irregular)
Colinearity range
0
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By central symmetry

Vertex description

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

Edge description

Contains definitions of relations
No

Style

Diagram is colored
No
Diagram is embellished
No

Additional notes

An interesting YouTube video on the manuscript that contains this diagram (UPenn LJS 101) can be found at https://www.youtube.com/watch?v=VNezNjlBjto.
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