![](/diagrams/smessaert_2009_on-the-3d-visualisation-of-logical_1dnpakbr7_p-321_1g9ndbjpj/images/display.jpeg?url=http%3A%2F%2Fpurl.org%2Flg%2Fdiagrams%2Fsmessaert_2009_on-the-3d-visualisation-of-logical_1dnpakbr7_p-321_1g9ndbjpj%2Fimages%2Fdisplay.jpeg)
On the 3D Visualisation of Logical Relations (2009), p. 321
by Smessaert, Hans
![]( /diagrams/smessaert_2009_on-the-3d-visualisation-of-logical_1dnpakbr7_p-321_1g9ndbjpj/images/display.jpeg?url=http%3A%2F%2Fpurl.org%2Flg%2Fdiagrams%2Fsmessaert_2009_on-the-3d-visualisation-of-logical_1dnpakbr7_p-321_1g9ndbjpj%2Fimages%2Fdisplay.jpeg )
Copyright according to our policy
Caption
- The SQA and MQA octahedra
- Aristotelian family
- Jacoby-Sesmat-Blanché Sigma-3
- Boolean complexity
- 3
- Number of labels per vertex (at most)
- 2
- Equivalence between (some) labels of the same vertex
- No
- Analogy between (some) labels of the same vertex
- No
- Uniqueness of the vertices up to logical equivalence
- Yes
- Errors in the diagram
- No
- Shape
- Octahedron (regular)
- 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
- spherical
- Label type
- linguistic ,
- symbolic
- Language
- English
- Lexical field
- syllogistics
- Contains partial sentences or single words
- Yes
- Contains abbreviations
- No
- Symbolic field
- bitstrings
- Contains partial formulas or symbols
- No
- Contains protobitstrings
- No
- Bitstring length
- 3
- Contains definitions of relations
- No
- Form
- dotted lines ,
- solid lines
- Has arrowheads
- No
- Overlap
- No
- Curved
- No
- Hooked
- No
- As wide as vertices
- No
- Contains text
- No
- Label type
- none
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
- Tags
- Boolean closed ;
- Leuven