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Aleph number. Aleph-nought, aleph-zero, or aleph-null, the smallest infinite cardinal number. In mathematics, particularly in set theory, the aleph numbers are a sequence of numbers used to represent the cardinality (or size) of infinite sets that can be well-ordered. They were introduced by the mathematician Georg Cantor [1] and are named ...
Infinitesimal. In mathematics, an infinitesimal number is a non-zero quantity that is closer to 0 than any non-zero real number is. The word infinitesimal comes from a 17th-century Modern Latin coinage infinitesimus, which originally referred to the " infinity - eth " item in a sequence. Infinitesimals do not exist in the standard real number ...
The lexicographical order is one way of formalizing word order given the order of the underlying symbols. The formal notion starts with a finite set A, often called the alphabet, which is totally ordered. That is, for any two symbols a and b in A that are not the same symbol, either a < b or b < a. The words of A are the finite sequences of ...
Toki Pona (rendered as toki pona[a] and often translated as 'the language of good';[b] IPA: [ˈtoki ˈpona] (listen ⓘ); English: / ˈtoʊki ˈpoʊnə /) is a philosophical artistic constructed language known for its small vocabulary, simplicity, and ease of acquisition. [5] It was created by Sonja Lang (née Elen Kisa), a Canadian linguist ...
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Linguistics. A morpheme is any of the smallest meaningful constituents within a linguistic expression and particularly within a word. [1] Many words are themselves standalone morphemes, while other words contain multiple morphemes; in linguistic terminology, this is the distinction, respectively, between free and bound morphemes.
The interesting number paradox is a humorous paradox which arises from the attempt to classify every natural number as either "interesting" or "uninteresting". The paradox states that every natural number is interesting. [1] The "proof" is by contradiction: if there exists a non-empty set of uninteresting natural numbers, there would be a ...
6 is the second smallest composite number. [1] It is also the first number that is the sum of its proper divisors, making it the smallest perfect number. [2] 6 is the first unitary perfect number, since it is the sum of its positive proper unitary divisors, without including itself. Only five such numbers are known to exist.