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Leonardi.DB
a logical geometry project

The Hexagon of Paintings (2017), p. 383
by Chantilly, Catherine; Beziau, Jean-Yves

Caption

Hexagon of Opposition out of a Triangle of Contrariety

Logic

Aristotelian family
Jacoby-Sesmat-Blanché Sigma-3
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
Hexagon (regular)
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
,
generic placeholders
Language
English
Lexical field
propositional connectives
Contains partial sentences or single words
Yes
Contains abbreviations
Yes

Edge description

Contains definitions of relations
No
Form
solid lines
Has arrowheads
Yes
Overlap
No
Curved
No
Hooked
No
As wide as vertices
No
Contains text
No
Label type
none

Style

Diagram is colored
Yes
Diagram is embellished
No
Tags
Boolean closed
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