You're using an ancient browser to surf the modern web. Please update to the latest version (and don't use Internet Explorer!).

Leonardi.DB
a logical geometry project

Recognitio summularum (1569), p. 67
by de la Veracruz, Alonso

Caption

FIGURA MODA.

Logic

Aristotelian family
Buridan Sigma-4
Boolean complexity
6
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
0–2
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By central symmetry

Vertex description

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

Edge description

Contains definitions of relations
No
Form
bands
Has arrowheads
No
Overlap
Yes
Curved
Yes
Hooked
No
As wide as vertices
No
Contains text
Yes
Label type
linguistic
Language
Latin
Contains partial sentences or single words
Yes
Contain abbreviations
No

Style

Diagram is colored
No
Diagram is embellished
Yes
↑ Back to top ↑