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Christoph von Sigwart
Christoph von Sigwart (28 March 1830 – 4 August 1904) was a German philosopher and logician.
More at Wikipedia
German logicians
Members of the Privy Council of Württemberg
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University of Tübingen faculty
German-language philosophers
19th-century philosophers
German Lutherans
19th-century German people
German philosophers
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