Boolean Subtypes of the U4 Hexagon of Opposition
This paper investigates the so-called ‘unconnectedness-4 (U4) hexagons of opposition’, which have various applications across the broad field of philosophical logic. We first study the oldest known U4 hexagon, the conversion closure of the square of opposition for categorical statements. In particul...
Main Authors: | Lorenz Demey, Atahan Erbas |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2024-01-01
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Series: | Axioms |
Subjects: | |
Online Access: | https://www.mdpi.com/2075-1680/13/2/76 |
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