denumerable

English dictionary entry

Meanings

adj

Capable of being assigned a bijection to the natural numbers. Applied to sets which are not finite, but have a one-to-one mapping to the natural numbers.

denumerable

The word was introduced around the beginning of the 20th century, from Latin denumerō (“to count out”) + -able.

countable countably infinite

countable set uncountable set enumerable

denumerability denumerably indenumerable nondenumerable non-denumerable

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