Jan Śleszyński

Ivan Vladislavovich Sleshinsky^[1] or Jan Śleszyński^[1][2][3] (Russian: Иван Владиславович Слешинский) (23 July 1854 – 9 March 1931) was a Polish-Russian mathematician. He was born in Lysianka, Russian Empire to Polish parents.

Jan Śleszyński
Born	(1854-07-23)23 July 1854 Lysianka, Kiev Governorate, Russian Empire (present-day Ukraine)
Died	9 March 1931(1931-03-09) (aged 76) Kraków, Poland
Resting place	Rakowicki Cemetery
Alma mater	Odessa University, University of Berlin
Known for	Śleszyński-Pringsheim theorem
Scientific career
Fields	Mathematics
Institutions	Odessa University, University of Kraków

Life

Śleszyński's main work was on continued fractions, least squares and axiomatic proof theory based on mathematical logic. He and Alfred Pringsheim, working separately, proved what is now called the Śleszyński–Pringsheim theorem.

His most important publications include: "Teoria dowodu" ("The theory of proof") in two volumes (1925, 1929), and "Teoria wyznaczników" ("The theory of determinants") (1926).^[4] He is buried at Rakowicki Cemetery.^[5]

See also

• History of philosophy in Poland
• List of Poles