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Leonardi.DB
a logical geometry project

Logica (1693–1694), fol. 518
by Ligiers, Norbertus Josephus; van den Hove, Joannes; de Quareux, Gerardus Josephus

Caption

Tabula

Logic

Aristotelian family
Lenzen Sigma-4
Boolean complexity
5
Number of labels per vertex (at most)
1
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
No

Geometry

Shape
Three Dimensional Shape (irregular)
Colinearity range
0
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By some other geometric feature

Vertex description

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

Edge description

Contains definitions of relations
No
Form
none
,
bands
Has arrowheads
No
Overlap
Yes
Curved
No
Hooked
No
As wide as vertices
No
Contains text
Yes
Label type
linguistic
,
none
Language
Latin
Contains partial sentences or single words
Yes
Contain abbreviations
No

Style

Diagram is colored
No
Diagram is embellished
No
Tags
student notebook
;
Leuven
;
Magister Dixit
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