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a logical geometry project

Colwyn Williamson   (°1938, †2019)

Colwyn Williamson authored the following 1 source, containing a total of 0 diagrams.

Williamson, Colwyn. 1972. “Squares of Opposition: Comparisons between Syllogistic and Propositional Logic.” Notre Dame Journal of Formal Logic 13 (4): 497–500. (0 diagrams)
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