Mon premier blog

Cardinal and ordinal numbers Waclaw Sierpinski
Publisher: PWN, Warsaw

It's done using finite strings of symbols that obey the rules of logic and the axioms of set theory. There are also other number-word categories, but my special interest here is in the adverbials. Question Excerpt From ESL Cardinal & Ordinal Numbers. (Click on the cartoon to see the entire image.) (C)Copyright 2009, C. I remember cardinal numbers as non-negative integers; 0, 1, 2, 3, and so on. Ordinal numbers put things in order. The ordinal numbers (first, second, third) and the adverbial numbers (once, twice, thrice). The modern theory of transfinite cardinal and ordinal numbers is well established in mathematics. I just checked Wikipedia and found that my understanding of them is … childlike. I remember ordinal numbers as first, second, third, and so on. The subscripts on the alephs range over all the ordinal numbers. Infinite values come into play in Cantor's work: the cardinality of the natural numbers and the cardinality of the reals are clearly infinite cardinal numbers.