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Leonardi.DB
a logical geometry project

Logic and Colour in Cognition, Logic and Philosophy (2017), p. 253
by Jaspers, Dany

Logic

Number of labels per vertex (at most)
3
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
linguistic
,
symbolic
Language
English
Contains partial sentences or single words
Yes
Contains abbreviations
No
Symbolic field
bitstrings
,
logic
Contains partial formulas or symbols
Yes
Bitstring length
3
Logical system
syllogistics

Edge description

Contains definitions of relations
No
Form
dotted lines
,
bold solid lines
,
solid lines
,
bold dashed 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
Yes
Diagram is embellished
No
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