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Leonardi.DB
a logical geometry project

Description versus rejection in the analysis of negation: Evidence from Romanian and English (2017), p. 26
by Albu, Elena

Caption

The logical relations displayed in the singular square of opposition.

Logic

Aristotelian family
Classical Sigma-2
Boolean complexity
3
Number of labels per vertex (at most)
3
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

Geometry

Shape
Rectangle (irregular)
Colinearity range
0
Coplanarity range
0
Cospatiality range
0
Representation of contradiction
By central symmetry

Vertex description

Conceptual info
No
Mnemonic support (AEIO, purpurea ...)
Yes
Form
none
Label type
linguistic
,
symbolic
Language
English
Lexical field
adjectives
Contains partial sentences or single words
No
Contains abbreviations
No
Symbolic field
linguistics
,
logic
Contains partial formulas or symbols
Yes
Logical system
syllogistics

Edge description

Style

Diagram is colored
No
Diagram is embellished
No
Tags
linguistics

Additional notes

Abbreviations (cf. p. 26):

(NEG) = initial negative utterance
(FAC) = formal affirmative correspondent
(SAC) = semantic affirmative correspondent
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