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Leonardi.DB
a logical geometry project

Institutionum dialectiarum libri quinque (1663), p. 223
by Alonso de Malpartida, Francisco

Logic

Aristotelian family
A Single PCD
Boolean complexity
2
Number of labels per vertex (at most)
1
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
No

Geometry

Shape
Digon (regular)
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
none
Label type
linguistic
Language
Latin
Lexical field
singular propositions
Contains partial sentences or single words
No
Contains abbreviations
No

Edge description

Style

Diagram is colored
No
Diagram is embellished
No
Tags
Boolean closed
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