Bernard Bolzano

Bernard Bolzano (, ; ; ; born Bernardus Placidus Johann Nepomuk Bolzano; 5 October 1781 – 18 December 1848) was a Bohemian mathematician, logician, philosopher, theologian and Catholic priest of Italian extraction, also known for his liberal views.

Bolzano wrote in German, his native language. For the most part, his work came to prominence posthumously. Provided by Wikipedia
1
by Bolzano, Bernard, 1781-1848
Published 1804
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2
by Bolzano, Bernard, 1781-1848
Published 1804
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3
by Bolzano, Bernard 1781-1848
Published 1810
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eBook
4
by Bolzano, Bernard, 1781-1848
Published 1810
Book
5
by Bolzano, Bernard, 1781-1848
Published 1813
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by Bolzano, Bernard, 1781-1848
Published 1813
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9
by Bolzano, Bernard, 1781-1848
Published 1816
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by Bolzano, Bernard, 1781-1848.
Published 1816
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by Bolzano, Bernard, 1781-1848
Published 1817
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by Bolzano, Bernard, 1781-1848
Published 1817
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19
by Bolzano, Bernard, 1781-1848.
Published 1827
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