A denumerable (or countable) set is one for which there is a correspondence from the set to N, the set of natural numbers. To put it in another way: the cardinality of the set is equal to that of the natural numbers. Every infinite subset S of the...

A set, which should be thought of simply as a collection of objects, is called countable if it either consists of a finite number of objects or if the objects can be put in one to one correspondence with the integers. Two sets are defined to be of the...

In mathematics, a countable set is a set with the same cardinality (i.e., number of elements) as some subset of the set of natural numbers. The term was originated by Georg Cantor; it stems from the fact that the natural numbers are often called...

1. Introduction The inflectional pattern of nouns in Early and Late Modern English is almost identical with today's. One interesting exception is the treatment of abstract and mass nouns which in Present-Day English have no plural form and are considered indivisible. In...

Sets, singing help hills come alive in 'Sound of Music' By JACKIE LOOHAUIS of the Journal Sentinel staff Saturday, April 14, 2001 How do you solve a problem like "The Sound of Music?" The musical has been extant for...