Bernard Bolzano

Bernard Bolzano
Born
Bernardus Placidus Johann Nepomuk Bolzano

(1781-10-05)5 October 1781
Died18 December 1848(1848-12-18) (aged 67)
Prague, Kingdom of Bohemia
EducationUniversity of Prague
(PhD, 1804)
EraModern philosophy
RegionWestern philosophy
SchoolLogical objectivism[1][2]
Utilitarianism[3]
Classical liberalism
InstitutionsUniversity of Prague
(1805–1819)
ThesisBetrachtungen über einige Gegenstände der Elementargeometrie (Considerations on Some Objects of Elementary Geometry) (1804)
Academic advisorsFranz Josef Gerstner
Notable studentsRobert von Zimmermann
Main interests
Logic, epistemology, theology
Notable ideas
Logical objectivism[1]
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
ReligionChristianity
ChurchCatholic Church
Ordained1805[4]

Bernard Bolzano (UK: /bɒlˈtsɑːn/, US: /bltˈsɑː-, blˈzɑː-/; German: [bɔlˈtsaːno]; Italian: [bolˈtsaːno]; born Bernardus Placidus Johann Nepomuk Bolzano; 5 October 1781 – 18 December 1848)[5] 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.[6] For the most part, his work came to prominence posthumously.

  1. ^ a b Routledge Encyclopedia of Philosophy (1998): "Ryle, Gilbert (1900-76)."
  2. ^ Sandra Lapointe, "Bolzano's Logical Realism", in: Penelope Rush (ed.), The Metaphysics of Logic, Cambridge University Press, 2014, pp. 189–208.
  3. ^ Morscher, Edgar. "Bernard Bolzano". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy.
  4. ^ Paul Rusnock, Jan Sebestík, Bernard Bolzano: His Life and Work, Oxford University Press, 2019, p. 33.
  5. ^ Chisholm, Hugh, ed. (1911). "Bolzano, Bernhard" . Encyclopædia Britannica (11th ed.). Cambridge University Press.
  6. ^ O'Hear, Anthony (1999), German Philosophy Since Kant, Royal Institute of Philosophy Supplements, Royal Institute of Philosophy London, vol. 44, Cambridge University Press, p. 110, ISBN 9780521667821, His native language was German.

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