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Leonardi.DB
a logical geometry project

The Cube, the Square and the Problem of Existential Import (2013), p. 131
by Chatti, Saloua; Schang, Fabien

Caption

Hexagon n° 4. 124578

Logic

Aristotelian family
Sherwood-Czeżowski Sigma-3
Boolean complexity
4
Number of labels per vertex (at most)
1
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
No

Geometry

Shape
Hexagon (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 ...)
Yes
Form
none
Label type
symbolic
Symbolic field
logic
Contains partial formulas or symbols
Yes
Logical system
syllogistics

Edge description

Style

Diagram is colored
No
Diagram is embellished
No
Tags
existential import
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