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

Textus et copulata omnium tractatuum Petri Hyspani (1494), fol. LVI v
by Hispanus, Petrus

Logic

Aristotelian family
Classical Sigma-2
Boolean complexity
3
Number of labels per vertex (at most)
4
Equivalence between (some) labels of the same vertex
Yes
Analogy between (some) labels of the same vertex
No
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
Yes

Geometry

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

Graph structure

Aliquis homo non currit
Non quilibet homo currit
Non nullus homo non currit
Aliquis homo non currit
  • Contradiction with Omnis homo currit
  • Subcontrariety with Aliquis homo currit
  • Subalternation from Nullus homo currit
Nullus homo currit
Quilibet homo non currit
Non aliquis homo currit
*Non aliquis homo non currit
  • Contradiction with Aliquis homo currit
  • Contrariety with Omnis homo currit
  • Subalternation to Aliquis homo non currit
Aliquis homo currit
Non nullus homo currit
Non quilibet homo non currit
*Aliquis homo non currit
  • Contradiction with Nullus homo currit
  • Subcontrariety with Aliquis homo non currit
  • Subalternation from Omnis homo currit
Omnis homo currit
Nullus homo non currit
*Non aliquis homo currit
Non aliquis homo non currit
  • Contradiction with Aliquis homo non currit
  • Contrariety with Nullus homo currit
  • Subalternation to Aliquis homo currit

Vertex description

Conceptual info
No
Mnemonic support (AEIO, purpurea ...)
No
Form
none
Label type
linguistic
Language
Latin
Lexical field
categorical
,
quantifiers
Contains partial sentences or single words
No
Contains abbreviations
No

Edge description

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

Style

Diagram is colored
No
Diagram is embellished
Yes

Additional notes

Errors in in the A-, I- and E-corners. No error in the O-corner.
↑ Back to top ↑