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Leonardi.DB
a logical geometry project

Jacob Friedrich Fries   (°1773, †1843)

Jacob Friedrich Fries authored the following 3 sources, containing a total of 3 diagrams.

Fries, Jacob Friedrich. 1837. System der Logik. 3rd ed. Heidelberg: Christian Friedrich Winter. (1 diagram)
Fries, Jacob Friedrich. 1819. System der Logik. 2nd ed. Heidelberg: Mohr und Winter. (1 diagram)
Fries, Jacob Friedrich. 1811. System der Logik. 1st ed. Heidelberg: Mohr und Zimmer. (1 diagram)
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