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Leonardi.DB
a logical geometry project

The Square of Opposition as a Framework for Stephen Langton's Theological Solutions (2022), p. 114
by Trepczyński, Marcin

Caption

Langton’s developed logical structure in q. 17*

Logic

Aristotelian family
Classical Sigma-2
Boolean complexity
3
Number of labels per vertex (at most)
3
Errors in the diagram
No

Geometry

Shape
Rectangle (irregular)
Colinearity range
0
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By central symmetry

Vertex description

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

Edge description

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

Style

Diagram is colored
Yes
Diagram is embellished
No
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