Aristotelische diagrammen: eeuwenoud, springlevend. Een stand van zaken in de logische meetkunde (2021), p. 254
by Demey, Lorenz

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Caption

Aristotelische diagrammen uit kennisrepresentatie (links) en filosofie (rechts)

Logic

Aristotelian family

Keynes-Johnson Sigma-4

Boolean complexity

7

Number of labels per vertex (at most)

1

Uniqueness of the vertices up to logical equivalence

Yes

Errors in the diagram

No

Geometry

Shape

Octagon (irregular)

Colinearity range

0

Coplanarity range

0

Cospatiality range

0

Representation of contradiction

By central symmetry

Vertex description

Conceptual info

Yes

Mnemonic support (AEIO, purpurea ...)

Yes

Form

none

Label type

symbolic

Symbolic field

logic

Contains partial formulas or symbols

Yes

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

No

Diagram is embellished

No

Tags

subject negation

;

Leuven

;

generalized Post duality

Is a reproduction of

Johnson, W. E. 1921. Logic. Part I. Cambridge: Cambridge University Press. (p. 142)