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Leonardi.DB
a logical geometry project

Herman J. De Vleeschauwer   (°1899, †1986)

Herman J. De Vleeschauwer authored the following 1 source, containing a total of 1 diagram.

De Vleeschauwer, Herman J. 1931. Grondbeginselen der Logica. Antwerpen: De Sikkel. (1 diagram)
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