![](/diagrams/demey-et-al-_2016_metalogical-decorations-of_1dnpb0l3b_p-240_1eiigsh5e/images/display.jpeg?url=http%3A%2F%2Fpurl.org%2Flg%2Fdiagrams%2Fdemey-et-al-_2016_metalogical-decorations-of_1dnpb0l3b_p-240_1eiigsh5e%2Fimages%2Fdisplay.jpeg)
Metalogical Decorations of Logical Diagrams (2016), p. 240
by Demey, Lorenz; Smessaert, Hans
![]( /diagrams/demey-et-al-_2016_metalogical-decorations-of_1dnpb0l3b_p-240_1eiigsh5e/images/display.jpeg?url=http%3A%2F%2Fpurl.org%2Flg%2Fdiagrams%2Fdemey-et-al-_2016_metalogical-decorations-of_1dnpb0l3b_p-240_1eiigsh5e%2Fimages%2Fdisplay.jpeg )
Copyright according to our policy
Caption
- The a opposition, b Aristotelian and c implication square for $\{\Box p, \Diamond p, \Box\neg p, \Diamond\neg p\}$
- Aristotelian family
- Classical Sigma-2
- Boolean complexity
- 3
- Number of labels per vertex (at most)
- 1
- Uniqueness of the vertices up to logical equivalence
- Yes
- Errors in the diagram
- No
- Shape
- Rectangle (irregular)
- Colinearity range
- 0
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- By central symmetry
Logic
Geometry
- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- No
- Form
- none
- Label type
- symbolic
- Symbolic field
- logic
- Contains partial formulas or symbols
- No
- Logical system
- modal logic
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
- Tags
- Leuven