Periermenias Aristotelis a Boetio translatas (830–870), fol. 36
by Boethius, Anicius Manlius Severinus

Copyright according to our policy

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

Graph structure

Omnis homo iustus est

• Implicit contradiction with Quidam homo iustus non est
• Contrariety with Nullus homo iustus est
• Subalternation to Quidam homo iustus est

Quidam homo iustus non est

• Implicit contradiction with Omnis homo iustus est
• Subcontrariety with Quidam homo iustus est
• Subalternation from Nullus homo iustus est

Nullus homo iustus est

• Implicit contradiction with Quidam homo iustus est
• Contrariety with Omnis homo iustus est
• Subalternation to Quidam homo iustus non est

Quidam homo iustus est

• Implicit contradiction with Nullus homo iustus est
• Subcontrariety with Quidam homo iustus non est
• Subalternation from Omnis homo iustus est

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

Form

bands

Has arrowheads

No

Overlap

No

Curved

No

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

Yes

Diagram is embellished

No

Additional notes

The coloring was added in the 11th century.

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.