done by Wacław Sierpiński: Leçons sur les nombres transfinis (1928 book) much expanded into Cardinal and Ordinal Numbers (1958, 2nd ed. 1965). Any finite...

like "this is the third largest city in the country", which are called ordinal numbers. Natural numbers are also used as labels, like jersey numbers on...

les nombres transfinis, but his 1958 book on the topic was completely rewritten and significantly longer. A second edition of Cardinal and Ordinal Numbers...

inaccessible. An ordinal is a weakly inaccessible cardinal if and only if it is a regular ordinal and it is a limit of regular ordinals. (Zero, one, and...

the existence of an infinity of infinities. He defined the cardinal and ordinal numbers and their arithmetic. Cantor's work is of great philosophical interest...

The first pope who chooses a unique name is not usually identified by an ordinal, John Paul I being the exception. Antipopes are treated as pretenders,...

removing all words which were considered politically incorrect. Khmer ordinal numbers are formed by placing the word ទី [tiː] in front of a cardinal...

S (corresponding to the limit ordinal case) or by appending b(S) to the "last" S (corresponding to the successor ordinal case). This proof shows that actually...

communion for laity as well as clergy in both kinds, of bread and wine. The Ordinal of 1550 replaced the divine ordination of priests with a government-run...

(sometimes written directly above the symbol) was sometimes used as an ordinal indicator. Chronograms, messages with dates encoded into them, were popular...