denumerability

/dɪˌnuːmərəˈbɪlɪti/
noun
  1. The property of being countable; the ability to be put into a one-to-one correspondence with the natural numbers.
    • The proof demonstrated the denumerability of the set of all finite strings.
    • The denumerability of rational numbers is a key concept in set theory.
    • Students often struggle to understand the denumerability of infinite sets.
Synonyms
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