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Leonardi.DB
a logical geometry project

Louvain Theories of Topical Logic (c. 1450-1533). A Reassessment of the Traditionalist Thesis (2020), p. 30
by Geudens, Christophe

Caption

A hexagon for the set P'

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

Contains definitions of relations
No
Form
solid lines
,
none
Has arrowheads
Yes
Overlap
No
Curved
No
Hooked
No
As wide as vertices
No
Contains text
No
Label type
none

Style

Diagram is colored
Yes
Diagram is embellished
No
Tags
Leuven

Additional notes

$^+$S and $^-$S are the positive and negative singular categorical statements.
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