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Traditional Square of Opposition: Categorical Logic - PHILO-notes
The traditional version of the Square of Opposition
Tri-simplicial Contradiction: The “Pascalian 3D Simplex” for the Oppositional Tri-segment
Logic - Wikipedia
Traditional Square of Opposition
A History of Logic Diagrams - ScienceDirect
Left: Diagram of the Square of Opposition (Stanford Encyclopedia of
Terence Parsons, The traditional square of opposition - PhilPapers
Tri-simplicial Contradiction: The “Pascalian 3D Simplex” for the Oppositional Tri-segment
4 Categorical Propositions - ppt download
A History of Logic Diagrams - ScienceDirect
Negation (Stanford Encyclopedia of Philosophy)
A History of Logic Diagrams - ScienceDirect
Aristotle Square of Oppositions: Aristotelian logic
Informal Logic (Stanford Encyclopedia of Philosophy)