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Leonardi.DB
a logical geometry project

De logische geometrie van Johannes Buridanus' modale achthoek (2017), p. 225
by Demey, Lorenz; Steinkr├╝ger, Philipp

Legend

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
Octagon (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
Form
none
Label type
symbolic
Symbolic field
logic
Contains partial formulas or symbols
Yes
Logical system
modal syllogistics

Edge description

Style

Diagram is colored
No
Diagram is embellished
No
Tags
Leuven
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