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Leonardi.DB
a logical geometry project

Towards a Logic of Argumentation (2012), p. 564
by Amgoud, Leila; Prade, Henri

Caption

Hexagon showing the interplay between a strong and a weak argumentative link between y and x

Logic

Aristotelian family
Jacoby-Sesmat-Blanché Sigma-3
Boolean complexity
3
Number of labels per vertex (at most)
2
Equivalence between (some) labels of the same vertex
No
Analogy between (some) labels of the same vertex
No
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
No

Geometry

Shape
Hexagon (regular)
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
,
formal argumentation

Edge description

Style

Diagram is colored
No
Diagram is embellished
No
Tags
Boolean closed

Additional notes

$(x,y)$ stands for $\mathcal{C}(x) : \mathcal{R}(y)$ (cf. p. 561).
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