Logic and Colour in Cognition, Logic and Philosophy (2017), p. 257
by Jaspers, Dany

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Logic

Number of labels per vertex (at most)

3

Errors in the diagram

No

Geometry

Shape

Hexagon (irregular)

Colinearity range

0

Coplanarity range

2

Cospatiality range

0

Representation of contradiction

By central symmetry

Vertex description

Conceptual info

No

Mnemonic support (AEIO, purpurea ...)

Yes

Form

rectangular

,

none

Label type

linguistic

,

symbolic

Language

English

Contains partial sentences or single words

Yes

Contains abbreviations

No

Symbolic field

bitstrings

,

logic

Contains partial formulas or symbols

Yes

Bitstring length

3

Logical system

syllogistics

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

No

Label type

none

Style

Diagram is colored

Yes

Diagram is embellished

No