The Square of Opposition: Past, Present, and Future (2022), p. 11
by Beziau, Jean-Yves; Vandoulakis, Ioannis M.

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Caption

The tetrahedron of the Logos

Logic

Number of labels per vertex (at most)

1

Errors in the diagram

No

Vertex description

Conceptual info

No

Mnemonic support (AEIO, purpurea ...)

No

Form

none

Label type

linguistic

Language

English

Contains partial sentences or single words

Yes

Contains abbreviations

No

Edge description

Contains definitions of relations

No

Form

solid lines

Has arrowheads

No

Overlap

No

Curved

No

Hooked

No

As wide as vertices

No

Contains text

No

Label type

none

Style

Diagram is colored

Yes

Diagram is embellished

No