# Oppositions in Rough Set Theory (2012), p. 508

by Ciucci, Davide; Dubois, Didier; Prade, Henri

Copyright according to our policy

### Caption

- Cube of opposition induced by generalized approximations

- Aristotelian family
- Sigma-4 Graph
- Number of labels per vertex (at most)
- 1
- Uniqueness of the vertices up to logical equivalence
- Yes
- Errors in the diagram
- No
- Shape
- Cube (regular)
- Colinearity range
- 0
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- By some other geometric feature

### Logic

### Geometry

- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- No
- Form
- none
- Label type
- symbolic
- Symbolic field
- mathematics
- Contains partial formulas or symbols
- No
- Mathematical branch
- rough set theory

### Vertex description

### Edge description

- Diagram is colored
- No
- Diagram is embellished
- No