On distinct representatives and mapping theorems

Autor:	Phillip A. Ostrand
Rok vydání:	1972
Předmět:	Algebra Applied Mathematics Elementary proof Analysis Mathematics Transfinite number
Zdroj:	Journal of Mathematical Analysis and Applications. 40:207-213
ISSN:	0022-247X
DOI:	10.1016/0022-247x(72)90044-3
Popis:	We present an elementary proof of a transfinite symmetric form of Philip Hall's theorem on systems of distinct representatives and derive some wellknown mapping theorems from it to illustrate the ease with which this form of the theorem may be used.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1896d3ca81ed3df6660bcb7ba45ca9d https://doi.org/10.1016/0022-247x(72)90044-3 Zobrazit plný text záznamu