Caramuel's Pentagon of Opposition and his Vindication of the Principle Ex Contradictorio Quodlibet (2023), p. 206
by Lenzen, Wolfgang

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Caption

Caramuel's pentagon of opposition

Logic

Number of labels per vertex (at most)

1

Errors in the diagram

No

Geometry

Shape

Pentagon (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 ...)

No

Form

rectangular

Label type

linguistic

Language

Latin

Contains partial sentences or single words

Yes

Contains abbreviations

No

Edge description

Contains definitions of relations

No

Form

bands

Has arrowheads

No

Overlap

Yes

Curved

Yes

Hooked

No

As wide as vertices

No

Contains text

Yes

Label type

linguistic

Language

Latin

Contains partial sentences or single words

Yes

Contain abbreviations

Yes

Style

Diagram is colored

No

Diagram is embellished

No