Théorie algébrique du syllogisme catégorique (1972), p. 556
by Grosjean, P. V.
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Caption
- La pyramide logique
- Aristotelian family
- Keynes-Johnson Sigma-4
- Boolean complexity
- 7
- 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
- Three Dimensional Shape (irregular)
- Colinearity range
- 0
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- By some other geometric feature
Logic
Geometry
- Conceptual info
- Yes
- Mnemonic support (AEIO, purpurea ...)
- Yes
- Form
- dots
- Label type
- symbolic
- Symbolic field
- mathematics ,
- logic
- Contains partial formulas or symbols
- Yes
- Logical system
- syllogistics
- Mathematical branch
- set theory
- Contains definitions of relations
- No
- Form
- solid lines ,
- none ,
- dashed lines
- Has arrowheads
- No
- Overlap
- No
- Curved
- No
- Hooked
- No
- As wide as vertices
- No
- Contains text
- Yes
- Label type
- linguistic ,
- none
- Language
- French
- Contains partial sentences or single words
- Yes
- Contain abbreviations
- Yes
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
- Tags
- subject negation ;
- generalized Post duality
Style
Additional notes
- Edge labels:
"n.d." = "négation à droite" = right negation
"n.g." = "négation à gauche" = left negation
Cf. generalized Post duality!