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Leonardi.DB

a logical geometry project

Christian Thiel (°1937)

Christian Thiel authored the following 1 source, containing a total of 4 diagrams.: Thiel, Christian. 1996. “The Twisted Logical Square.” In Calculemos... Matemáticas y Libertad. Homenaje a Miguel Sánchez-Mazas, edited by Javier Echeverría, Javier de Lorenzo, and Lorenzo Peña, 119–126. Madrid: Editorial Trotta. (4 diagrams)

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