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Leonardi.DB
a logical geometry project

Von deontischen Quadraten - Kuben - Hyperkuben (2012), p. 75
by Philipps, Lothar

Caption

Deontischer Kubus 1

Logic

Aristotelian family
Buridan Sigma-4
Boolean complexity
6
Number of labels per vertex (at most)
1
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
No

Geometry

Shape
Rectangular Cuboid (irregular)
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
Label type
linguistic
Contains abbreviations
No

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
No
Diagram is embellished
No
Tags
composed operator duality

Additional notes

A visual variant of this diagram appears on p. 77 of the same paper (with the caption 'Deontischer Kubus 2').

The formulas in this diagram follow the composed operator duality pattern "deontic operator - quantifier" and thus have 3 negation positions (external, intermediate, internal), yielding 2^3 = 8 formulas.
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