The Power of the Hexagon (2012), p. 15
by Beziau, Jean-Yves

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Caption

Traffic triangle of contrariety

Logic

Aristotelian family

Contrariety 3-clique

Boolean complexity

3

Number of labels per vertex (at most)

2

Equivalence between (some) labels of the same vertex

No

Analogy between (some) labels of the same vertex

No

Uniqueness of the vertices up to logical equivalence

Yes

Errors in the diagram

No

Geometry

Shape

Triangle (regular)

Colinearity range

0

Coplanarity range

0

Cospatiality range

0

Representation of contradiction

N.A.

Vertex description

Conceptual info

No

Mnemonic support (AEIO, purpurea ...)

No

Form

none

Label type

linguistic

,

iconic

Language

English

Lexical field

verbs

Contains partial sentences or single words

No

Contains abbreviations

No

Edge description

Style

Diagram is colored

Yes

Diagram is embellished

No

Additional notes

The negation closure of this diagram is a JSB sigma-3.