Why the Logical Hexagon? (2012), p. 96
by Moretti, Alessio

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Caption

Cavaliere’s flattened hexagon for fuzzyness

Logic

Aristotelian family

Classical Sigma-2

Boolean complexity

3

Number of labels per vertex (at most)

1

Errors in the diagram

No

Geometry

Shape

Square (regular)

Colinearity range

0–1

Coplanarity range

0

Cospatiality range

0

Representation of contradiction

By central symmetry

Vertex description

Conceptual info

Yes

Mnemonic support (AEIO, purpurea ...)

Yes

Form

square

,

intersections

Label type

symbolic

Symbolic field

logic

Contains partial formulas or symbols

Yes

Logical system

syllogistics

Edge description

Contains definitions of relations

No

Form

none

,

dashed lines

,

bands

Has arrowheads

Yes

Overlap

No

Curved

Yes

Hooked

No

As wide as vertices

Yes

Contains text

Yes

Label type

symbolic

Symbolic field

logic

Contains partial formulas or symbols

Yes

Logical system

syllogistics

Style

Diagram is colored

Yes

Diagram is embellished

No