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Leonardi.DB
a logical geometry project

Structures of Opposition and Comparisons: Boolean and Gradual Cases (2020), p. 136
by Dubois, Didier; Prade, Henri; Rico, Agn├Ęs

Caption

Graded cube of opposition in the sense of Reichenbach

Logic

Aristotelian family
Keynes-Johnson Sigma-4
Boolean complexity
7
Number of labels per vertex (at most)
1
Uniqueness of the vertices up to logical equivalence
Yes
Errors in the diagram
No

Geometry

Shape
Cube (regular)
Colinearity range
0
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By some other geometric feature

Vertex description

Conceptual info
No
Mnemonic support (AEIO, purpurea ...)
No
Form
none
Label type
symbolic
Symbolic field
logic
Contains partial formulas or symbols
No
Logical system
fuzzy logic

Edge description

Style

Diagram is colored
No
Diagram is embellished
No
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