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Leonardi.DB
a logical geometry project

Empty Negations and Existential Import in Aristotle (2018), p. 205
by Corkum, Phil

Caption

Modern Square.

Logic

Aristotelian family
Degenerate Sigma-2 with Unconnectedness 4
Boolean complexity
4
Number of labels per vertex (at most)
1
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 ...)
No
Form
none
Label type
symbolic
Symbolic field
logic
Contains partial formulas or symbols
No
Logical system
predicate logic

Edge description

Style

Diagram is colored
Yes
Diagram is embellished
No
Tags
existential import
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