Bernard Bolzano
The Reverend Bernard Bolzano | |
|---|---|
| Born | Bernardus Placidus Johann Nepomuk Bolzano 5 October 1781 Prague, Bohemia, Holy Roman Empire |
| Died | 18 December 1848 (aged 67) Prague, Bohemia, Austrian Empire |
| Education | |
| Education | University of Prague (PhD, 1804) |
| Thesis | Betrachtungen über einige Gegenstände der Elementargeometrie (Considerations on Some Objects of Elementary Geometry) (1804) |
Academic advisor | Franz Josef Gerstner |
| Philosophical work | |
| Era | Modern philosophy
|
| Region | Western philosophy
|
School | Logical realism Utilitarianism Social liberalism |
| Institutions | University of Prague (1805–1819) |
Notable students | Robert von Zimmermann |
Main interests | Logic, epistemology, theology |
Notable ideas | Logical realism Bolzano's theorem (the first purely analytic proof of the intermediate value theorem) Bolzano–Weierstrass theorem (ε, δ)-definition of limit Least-upper-bound property |
| Ecclesiastical career | |
| Religion | Christianity |
| Church | Catholic Church |
| Ordained | 1805 |
Bernard Bolzano (UK: /bɒlˈtsɑːnoʊ/, US: /boʊltˈsɑː-, boʊlˈzɑː-/; German: [bɔlˈtsaːno]; Italian: [bolˈtsaːno]; 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.