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An intermediate term functor logic (2019), p. 21
by Castro-Manzano, José Martín
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Caption
- Extended square of opposition (adapted from (Thompson, 1982, 77)
- Aristotelian family
- Non-Sigma
- 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
- Shape
- Rectangle (irregular)
- Colinearity range
- 0–3
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- N.A.
Logic
Geometry
- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- Yes
- Form
- none
- Label type
- linguistic
- Language
- English
- Lexical field
- quantifiers
- Contains partial sentences or single words
- No
- Contains abbreviations
- Yes
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No
Style
Additional notes
- The negation closure of this diagram (which is obtained by adding the negations of T and D) is a sigma-6 ladder.