Was Lewis Carroll an Amazing Oppositional Geometer? (2014), p. 396
by Moretti, Alessio

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Caption

The four basic 'conceptual actors' of oppositional geometry. - the tetrahexahedron (the closure of the cube)

Logic

Aristotelian family

Classical Sigma-7

Boolean complexity

4–5

Number of labels per vertex (at most)

0

Uniqueness of the vertices up to logical equivalence

Yes

Errors in the diagram

No

Geometry

Shape

Rhombic Dodecahedron (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

dots

Label type

none

Edge description

Style

Diagram is colored

Yes

Diagram is embellished

No

Tags

existential import